fuse-2.9.7/0000755000175000017500000000000012732044660007500 500000000000000fuse-2.9.7/config.guess0000755000175000017500000012355012676563542011762 00000000000000#! /bin/sh # Attempt to guess a canonical system name. # Copyright 1992-2014 Free Software Foundation, Inc. timestamp='2014-03-23' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # # Originally written by Per Bothner. # # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD # # Please send patches with a ChangeLog entry to config-patches@gnu.org. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] Output the configuration name of the system \`$me' is run on. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.guess ($timestamp) Originally written by Per Bothner. Copyright 1992-2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" >&2 exit 1 ;; * ) break ;; esac done if test $# != 0; then echo "$me: too many arguments$help" >&2 exit 1 fi trap 'exit 1' 1 2 15 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a # compiler to aid in system detection is discouraged as it requires # temporary files to be created and, as you can see below, it is a # headache to deal with in a portable fashion. # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. 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But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint${UNAME_RELEASE} exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint${UNAME_RELEASE} exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint${UNAME_RELEASE} exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; powerpc:machten:*:*) echo powerpc-apple-machten${UNAME_RELEASE} exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix${UNAME_RELEASE} exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`$dummy $dummyarg` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos${UNAME_RELEASE} exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ [ ${TARGET_BINARY_INTERFACE}x = x ] then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi else echo i586-dg-dgux${UNAME_RELEASE} fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW64*:*) echo ${UNAME_MACHINE}-pc-mingw64 exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; *:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. 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EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="gnulibc1" ; fi echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; arc:Linux:*:* | arceb:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-${LIBC} else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi else echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-${LIBC} exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-${LIBC} exit ;; frv:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; hexagon:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; i*86:Linux:*:*) echo ${UNAME_MACHINE}-pc-linux-${LIBC} exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } ;; openrisc*:Linux:*:*) echo or1k-unknown-linux-${LIBC} exit ;; or32:Linux:*:* | or1k*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; padre:Linux:*:*) echo sparc-unknown-linux-${LIBC} exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-${LIBC} exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; *) echo hppa-unknown-linux-${LIBC} ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-${LIBC} exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-${LIBC} exit ;; ppc64le:Linux:*:*) echo powerpc64le-unknown-linux-${LIBC} exit ;; ppcle:Linux:*:*) echo powerpcle-unknown-linux-${LIBC} exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux-${LIBC} exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; tile*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-${LIBC} exit ;; x86_64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; x86_64:Haiku:*:*) echo x86_64-unknown-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; 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FUSE also aims to provide a secure method for non privileged users to create and mount their own filesystem implementations. .SH CONFIGURATION Some options regarding mount policy can be set in the file \fI/etc/fuse.conf\fP. Currently these options are: .TP \fBmount_max = NNN\fP Set the maximum number of FUSE mounts allowed to non-root users. The default is 1000. .TP \fBuser_allow_other\fP Allow non-root users to specify the \fBallow_other\fP or \fBallow_root\fP mount options (see below). .SH OPTIONS Most of the generic mount options described in \fBmount\fP are supported (\fBro\fP, \fBrw\fP, \fBsuid\fP, \fBnosuid\fP, \fBdev\fP, \fBnodev\fP, \fBexec\fP, \fBnoexec\fP, \fBatime\fP, \fBnoatime\fP, \fBsync\fP, \fBasync\fP, \fBdirsync\fP). Filesystems are mounted with \fBnodev,nosuid\fP by default, which can only be overridden by a privileged user. .SS "General mount options:" These are FUSE specific mount options that can be specified for all filesystems: .TP \fBdefault_permissions\fP By default FUSE doesn't check file access permissions, the filesystem is free to implement it's access policy or leave it to the underlying file access mechanism (e.g. in case of network filesystems). This option enables permission checking, restricting access based on file mode. This is option is usually useful together with the \fBallow_other\fP mount option. .TP \fBallow_other\fP This option overrides the security measure restricting file access to the user mounting the filesystem. So all users (including root) can access the files. This option is by default only allowed to root, but this restriction can be removed with a configuration option described in the previous section. .TP \fBallow_root\fP This option is similar to \fBallow_other\fP but file access is limited to the user mounting the filesystem and root. This option and \fBallow_other\fP are mutually exclusive. .TP \fBkernel_cache\fP This option disables flushing the cache of the file contents on every \fBopen\fP(2). This should only be enabled on filesystems, where the file data is never changed externally (not through the mounted FUSE filesystem). Thus it is not suitable for network filesystems and other \fIintermediate\fP filesystems. \fBNOTE\fP: if this option is not specified (and neither \fBdirect_io\fP) data is still cached after the \fBopen\fP(2), so a \fBread\fP(2) system call will not always initiate a read operation. .TP \fBauto_cache\fP This option enables automatic flushing of the data cache on \fBopen\fP(2). The cache will only be flushed if the modification time or the size of the file has changed. .TP \fBlarge_read\fP Issue large read requests. This can improve performance for some filesystems, but can also degrade performance. This option is only useful on 2.4.X kernels, as on 2.6 kernels requests size is automatically determined for optimum performance. .TP \fBdirect_io\fP This option disables the use of page cache (file content cache) in the kernel for this filesystem. This has several affects: .IP 1. Each \fBread\fP(2) or \fBwrite\fP(2) system call will initiate one or more read or write operations, data will not be cached in the kernel. .IP 2. The return value of the read() and write() system calls will correspond to the return values of the read and write operations. This is useful for example if the file size is not known in advance (before reading it). .TP \fBmax_read=N\fP With this option the maximum size of read operations can be set. The default is infinite. Note that the size of read requests is limited anyway to 32 pages (which is 128kbyte on i386). .TP \fBmax_readahead=N\fN Set the maximum number of bytes to read-ahead. The default is determined by the kernel. On linux-2.6.22 or earlier it's 131072 (128kbytes) .TP \fBmax_write=N\fP Set the maximum number of bytes in a single write operation. The default is 128kbytes. Note, that due to various limitations, the size of write requests can be much smaller (4kbytes). This limitation will be removed in the future. .TP \fBasync_read\fP Perform reads asynchronously. This is the default .TP \fBsync_read\fP Perform all reads (even read-ahead) synchronously. .TP \fBhard_remove\fP The default behavior is that if an open file is deleted, the file is renamed to a hidden file (\fB.fuse_hiddenXXX\fP), and only removed when the file is finally released. This relieves the filesystem implementation of having to deal with this problem. This option disables the hiding behavior, and files are removed immediately in an unlink operation (or in a rename operation which overwrites an existing file). It is recommended that you not use the hard_remove option. When hard_remove is set, the following libc functions fail on unlinked files (returning errno of \fBENOENT\fP): \fBread\fP(2), \fBwrite\fP(2), \fBfsync\fP(2), \fBclose\fP(2), \fBf*xattr\fP(2), \fBftruncate\fP(2), \fBfstat\fP(2), \fBfchmod\fP(2), \fBfchown\fP(2) .TP \fBdebug\fP Turns on debug information printing by the library. .TP \fBfsname=NAME\fP Sets the filesystem source (first field in \fI/etc/mtab\fP). The default is the mount program name. .TP \fBsubtype=TYPE\fP Sets the filesystem type (third field in \fI/etc/mtab\fP). The default is the mount program name. If the kernel suppports it, \fI/etc/mtab\fP and \fI/proc/mounts\fP will show the filesystem type as \fBfuse.TYPE\fP If the kernel doesn't support subtypes, the source filed will be \fBTYPE#NAME\fP, or if \fBfsname\fP option is not specified, just \fBTYPE\fP. .TP \fBuse_ino\fP Honor the \fIst_ino\fP field in kernel functions \fBgetattr()\fP and \fBfill_dir()\fP. This value is used to fill in the \fIst_ino\fP field in the \fBstat\fP(2), \fBlstat\fP(2), \fBfstat\fP(2) functions and the \fId_ino\fP field in the \fBreaddir\fP(2) function. The filesystem does not have to guarantee uniqueness, however some applications rely on this value being unique for the whole filesystem. .TP \fBreaddir_ino\fP If \fBuse_ino\fP option is not given, still try to fill in the \fId_ino\fP field in \fBreaddir\fP(2). If the name was previously looked up, and is still in the cache, the inode number found there will be used. Otherwise it will be set to \fB-1\fP. If \fBuse_ino\fP option is given, this option is ignored. .TP \fBnonempty\fP Allows mounts over a non-empty file or directory. By default these mounts are rejected to prevent accidental covering up of data, which could for example prevent automatic backup. .TP \fBumask=M\fP Override the permission bits in \fIst_mode\fP set by the filesystem. The resulting permission bits are the ones missing from the given umask value. The value is given in octal representation. .TP \fBuid=N\fP Override the \fIst_uid\fP field set by the filesystem (N is numeric). .TP \fBgid=N\fP Override the \fIst_gid\fP field set by the filesystem (N is numeric). .TP \fBblkdev\fP Mount a filesystem backed by a block device. This is a privileged option. The device must be specified with the \fBfsname=NAME\fP option. .TP \fBentry_timeout=T\fP The timeout in seconds for which name lookups will be cached. The default is 1.0 second. For all the timeout options, it is possible to give fractions of a second as well (e.g. \fBentry_timeout=2.8\fP) .TP \fBnegative_timeout=T\fP The timeout in seconds for which a negative lookup will be cached. This means, that if file did not exist (lookup retuned \fBENOENT\fP), the lookup will only be redone after the timeout, and the file/directory will be assumed to not exist until then. The default is 0.0 second, meaning that caching negative lookups are disabled. .TP \fBattr_timeout=T\fP The timeout in seconds for which file/directory attributes are cached. The default is 1.0 second. .TP \fBac_attr_timeout=T\fP The timeout in seconds for which file attributes are cached for the purpose of checking if \fBauto_cache\fP should flush the file data on open. The default is the value of \fBattr_timeout\fP .TP \fBintr\fP Allow requests to be interrupted. Turning on this option may result in unexpected behavior, if the filesystem does not support request interruption. .TP \fBintr_signal=NUM\fP Specify which signal number to send to the filesystem when a request is interrupted. The default is hardcoded to USR1. .TP \fBmodules=M1[:M2...]\fP Add modules to the filesystem stack. Modules are pushed in the order they are specified, with the original filesystem being on the bottom of the stack. .SH FUSE MODULES (STACKING) Modules are filesystem stacking support to high level API. Filesystem modules can be built into libfuse or loaded from shared object .SS "iconv" Perform file name character set conversion. Options are: .TP \fBfrom_code=CHARSET\fP Character set to convert from (see \fBiconv -l\fP for a list of possible values). Default is \fBUTF-8\fP. .TP \fBto_code=CHARSET\fP Character set to convert to. Default is determined by the current locale. .SS "subdir" Prepend a given directory to each path. Options are: .TP \fBsubdir=DIR\fP Directory to prepend to all paths. This option is \fImandatory\fP. .TP \fBrellinks\fP Transform absolute symlinks into relative .TP \fBnorellinks\fP Do not transform absolute symlinks into relative. This is the default. .SH SECURITY The fusermount program is installed set-user-gid to fuse. This is done to allow users from fuse group to mount their own filesystem implementations. There must however be some limitations, in order to prevent Bad User from doing nasty things. Currently those limitations are: .IP 1. The user can only mount on a mountpoint, for which it has write permission .IP 2. The mountpoint is not a sticky directory which isn't owned by the user (like \fI/tmp\fP usually is) .IP 3. No other user (including root) can access the contents of the mounted filesystem. .SH NOTE FUSE filesystems are unmounted using the \fBfusermount\fP(1) command (\fBfusermount -u mountpoint\fP). .SH "AUTHORS" .LP The main author of FUSE is Miklos Szeredi . .LP This man page was written by Bastien Roucaries for the Debian GNU/Linux distribution (but it may be used by others) from README file. .SH SEE ALSO fusermount(1) mount(8) fuse-2.9.7/doc/Makefile.in0000644000175000017500000004117412732044623012240 00000000000000# Makefile.in generated by automake 1.14.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2013 Free Software Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ VPATH = @srcdir@ am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)' am__make_running_with_option = \ case $${target_option-} in \ ?) ;; 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It also aims to provide a secure method for non privileged users to create and mount their own filesystem implementations. .PP \fBfusermount\fR is a program to mount and unmount FUSE filesystems. .SH OPTIONS .IP "\-h" 4 print help. .IP "\-V" 4 print version. .IP "-o \fIOPTION\fR[,\fIOPTION\fR...]" 4 mount options. .IP "-u" 4 unmount. .IP "-q" 4 quiet. .IP "-z" 4 lazy unmount. .SH SEE ALSO \fImount\fR(8), \fImount.fuse\fR(8), \fIulockmgr_server\fR(1). .SH HOMEPAGE More information about fusermount and the FUSE project can be found at <\fIhttp://fuse.sourceforge.net/\fR>. .SH AUTHOR FUSE was written by Miklos Szeredi <\fImiklos@szeredi.hu\fR>. .PP This manual page was written by Daniel Baumann <\fIdaniel.baumann@progress\-technologies.net\fR>. fuse-2.9.7/doc/how-fuse-works0000644000175000017500000000451512732044227013014 00000000000000 How Fuse-1.3 Works [Written by Terje Oseberg] 1. The fuse library. When your user mode program calls fuse_main() (lib/helper.c), fuse_main() parses the arguments passed to your user mode program, then calls fuse_mount() (lib/mount.c). fuse_mount() creates a UNIX domain socket pair, then forks and execs fusermount (util/fusermount.c) passing it one end of the socket in the FUSE_COMMFD_ENV environment variable. fusermount (util/fusermount.c) makes sure that the fuse module is loaded. fusermount then open /dev/fuse and send the file handle over a UNIX domain socket back to fuse_mount(). fuse_mount() returns the filehandle for /dev/fuse to fuse_main(). fuse_main() calls fuse_new() (lib/fuse.c) which allocates the struct fuse datastructure that stores and maintains a cached image of the filesystem data. Lastly, fuse_main() calls either fuse_loop() (lib/fuse.c) or fuse_loop_mt() (lib/fuse_mt.c) which both start to read the filesystem system calls from the /dev/fuse, call the usermode functions stored in struct fuse_operations datastructure before calling fuse_main(). The results of those calls are then written back to the /dev/fuse file where they can be forwarded back to the system calls. 2. The kernel module. The kernel module consists of two parts. First the proc filesystem component in kernel/dev.c -and second the filesystem system calls kernel/file.c, kernel/inode.c, and kernel/dir.c All the system calls in kernel/file.c, kernel/inode.c, and kernel/dir.c make calls to either request_send(), request_send_noreply(), or request_send_nonblock(). 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Data Fields
fuse_session_ops Struct Reference

#include <fuse_lowlevel.h>

Data Fields

void(* process )(void *data, const char *buf, size_t len, struct fuse_chan *ch)
 
void(* exit )(void *data, int val)
 
int(* exited )(void *data)
 
void(* destroy )(void *data)
 

Detailed Description

Session operations

This is used in session creation

Field Documentation

void(* fuse_session_ops::destroy)(void *data)

Hook for cleaning up the channel on destroy (optional)

Parameters
datauser data passed to fuse_session_new()
void(* fuse_session_ops::exit)(void *data, int val)

Hook for session exit and reset (optional)

Parameters
datauser data passed to fuse_session_new()
valexited status (1 - exited, 0 - not exited)
int(* fuse_session_ops::exited)(void *data)

Hook for querying the current exited status (optional)

Parameters
datauser data passed to fuse_session_new()
Returns
1 if exited, 0 if not exited
void(* fuse_session_ops::process)(void *data, const char *buf, size_t len, struct fuse_chan *ch)

Hook to process a request (mandatory)

Parameters
datauser data passed to fuse_session_new()
bufbuffer containing the raw request
lenrequest length
chchannel on which the request was received
The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/index.html0000664000175000017500000000331412707431663013136 00000000000000 fuse: Main Page
fuse Documentation
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/dir_d44c64559bbebec7f509842c48db8b23.html0000664000175000017500000001250312707431662017337 00000000000000 fuse: include Directory Reference
include Directory Reference

Directories

directory  old
 

Files

file  config.h
 
file  cuse_lowlevel.h
 
file  fuse.h
 
file  fuse_common.h
 
file  fuse_common_compat.h
 
file  fuse_compat.h
 
file  fuse_kernel.h
 
file  fuse_lowlevel.h
 
file  fuse_lowlevel_compat.h
 
file  fuse_opt.h
 
file  ulockmgr.h
 
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__chan__ops.html0000664000175000017500000001377512707431664016423 00000000000000 fuse: fuse_chan_ops Struct Reference
Data Fields
fuse_chan_ops Struct Reference

#include <fuse_lowlevel.h>

Data Fields

int(* receive )(struct fuse_chan **chp, char *buf, size_t size)
 
int(* send )(struct fuse_chan *ch, const struct iovec iov[], size_t count)
 
void(* destroy )(struct fuse_chan *ch)
 

Detailed Description

Channel operations

This is used in channel creation

Field Documentation

void(* fuse_chan_ops::destroy)(struct fuse_chan *ch)

Destroy the channel

Parameters
chthe channel
int(* fuse_chan_ops::receive)(struct fuse_chan **chp, char *buf, size_t size)

Hook for receiving a raw request

Parameters
chpointer to the channel
bufthe buffer to store the request in
sizethe size of the buffer
Returns
the actual size of the raw request, or -1 on error
int(* fuse_chan_ops::send)(struct fuse_chan *ch, const struct iovec iov[], size_t count)

Hook for sending a raw reply

A return value of -ENOENT means, that the request was interrupted, and the reply was discarded

Parameters
chthe channel
iovvector of blocks
countthe number of blocks in vector
Returns
zero on success, -errno on failure
The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__args.html0000664000175000017500000001104712707431663015413 00000000000000 fuse: fuse_args Struct Reference
Data Fields
fuse_args Struct Reference

#include <fuse_opt.h>

Data Fields

int argc
 
char ** argv
 
int allocated
 

Detailed Description

Argument list

Field Documentation

int fuse_args::allocated

Is 'argv' allocated?

int fuse_args::argc

Argument count

char** fuse_args::argv

Argument vector. NULL terminated

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/ftv2node.png0000664000175000017500000000012612707431656013376 00000000000000‰PNG  IHDRɪ|IDATxíݱðøScOx@ –¨y}IEND®B`‚fuse-2.9.7/doc/html/globals_eval.html0000664000175000017500000000662212707431663014466 00000000000000 fuse: Globals
 
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__context.html0000664000175000017500000001541112707431665016144 00000000000000 fuse: fuse_context Struct Reference
Data Fields
fuse_context Struct Reference

#include <fuse.h>

Data Fields

struct fuse * fuse
 
uid_t uid
 
gid_t gid
 
pid_t pid
 
void * private_data
 
mode_t umask
 

Detailed Description

Extra context that may be needed by some filesystems

The uid, gid and pid fields are not filled in case of a writepage operation.

Field Documentation

struct fuse* fuse_context::fuse

Pointer to the fuse object

gid_t fuse_context::gid

Group ID of the calling process

pid_t fuse_context::pid

Thread ID of the calling process

void* fuse_context::private_data

Private filesystem data

uid_t fuse_context::uid

User ID of the calling process

mode_t fuse_context::umask

Umask of the calling process (introduced in version 2.8)

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/ftv2pnode.png0000664000175000017500000000034512707431656013561 00000000000000‰PNG  IHDRɪ|¬IDATxí=QF‘Ø¥D«ÔkÄ:‰F©PK؃=V@§Õ³ Õ8SHxñÌ0bnrróŠ{ò½¿¾’$ ÀÏTŠP  ö¼X¬OÛd6êìòð"°²S´±O¥B€(¡àQé)š+YĈ ÒªËRÉÐ>VtÉsˆm9(ê„䜥k‚-@ȧ-Ü$ó b Ò[he ¿Kp-ôl|CùÿApRG'rÍ­aIEND®B`‚fuse-2.9.7/doc/html/globals_enum.html0000664000175000017500000000506312707431663014501 00000000000000 fuse: Globals
 
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__lowlevel__ops.html0000664000175000017500000024265212707431671017337 00000000000000 fuse: fuse_lowlevel_ops Struct Reference
Data Fields
fuse_lowlevel_ops Struct Reference

#include <fuse_lowlevel.h>

Data Fields

void(* init )(void *userdata, struct fuse_conn_info *conn)
 
void(* destroy )(void *userdata)
 
void(* lookup )(fuse_req_t req, fuse_ino_t parent, const char *name)
 
void(* forget )(fuse_req_t req, fuse_ino_t ino, unsigned long nlookup)
 
void(* getattr )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
 
void(* setattr )(fuse_req_t req, fuse_ino_t ino, struct stat *attr, int to_set, struct fuse_file_info *fi)
 
void(* readlink )(fuse_req_t req, fuse_ino_t ino)
 
void(* mknod )(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, dev_t rdev)
 
void(* mkdir )(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode)
 
void(* unlink )(fuse_req_t req, fuse_ino_t parent, const char *name)
 
void(* rmdir )(fuse_req_t req, fuse_ino_t parent, const char *name)
 
void(* symlink )(fuse_req_t req, const char *link, fuse_ino_t parent, const char *name)
 
void(* rename )(fuse_req_t req, fuse_ino_t parent, const char *name, fuse_ino_t newparent, const char *newname)
 
void(* link )(fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, const char *newname)
 
void(* open )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
 
void(* read )(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi)
 
void(* write )(fuse_req_t req, fuse_ino_t ino, const char *buf, size_t size, off_t off, struct fuse_file_info *fi)
 
void(* flush )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
 
void(* release )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
 
void(* fsync )(fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi)
 
void(* opendir )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
 
void(* readdir )(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi)
 
void(* releasedir )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
 
void(* fsyncdir )(fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi)
 
void(* statfs )(fuse_req_t req, fuse_ino_t ino)
 
void(* setxattr )(fuse_req_t req, fuse_ino_t ino, const char *name, const char *value, size_t size, int flags)
 
void(* getxattr )(fuse_req_t req, fuse_ino_t ino, const char *name, size_t size)
 
void(* listxattr )(fuse_req_t req, fuse_ino_t ino, size_t size)
 
void(* removexattr )(fuse_req_t req, fuse_ino_t ino, const char *name)
 
void(* access )(fuse_req_t req, fuse_ino_t ino, int mask)
 
void(* create )(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, struct fuse_file_info *fi)
 
void(* getlk )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock)
 
void(* setlk )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock, int sleep)
 
void(* bmap )(fuse_req_t req, fuse_ino_t ino, size_t blocksize, uint64_t idx)
 
void(* ioctl )(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg, struct fuse_file_info *fi, unsigned flags, const void *in_buf, size_t in_bufsz, size_t out_bufsz)
 
void(* poll )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct fuse_pollhandle *ph)
 
void(* write_buf )(fuse_req_t req, fuse_ino_t ino, struct fuse_bufvec *bufv, off_t off, struct fuse_file_info *fi)
 
void(* retrieve_reply )(fuse_req_t req, void *cookie, fuse_ino_t ino, off_t offset, struct fuse_bufvec *bufv)
 
void(* forget_multi )(fuse_req_t req, size_t count, struct fuse_forget_data *forgets)
 
void(* flock )(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, int op)
 
void(* fallocate )(fuse_req_t req, fuse_ino_t ino, int mode, off_t offset, off_t length, struct fuse_file_info *fi)
 

Detailed Description

Low level filesystem operations

Most of the methods (with the exception of init and destroy) receive a request handle (fuse_req_t) as their first argument. This handle must be passed to one of the specified reply functions.

This may be done inside the method invocation, or after the call has returned. The request handle is valid until one of the reply functions is called.

Other pointer arguments (name, fuse_file_info, etc) are not valid after the call has returned, so if they are needed later, their contents have to be copied.

The filesystem sometimes needs to handle a return value of -ENOENT from the reply function, which means, that the request was interrupted, and the reply discarded. For example if fuse_reply_open() return -ENOENT means, that the release method for this file will not be called.

Field Documentation

void(* fuse_lowlevel_ops::access)(fuse_req_t req, fuse_ino_t ino, int mask)

Check file access permissions

This will be called for the access() system call. If the 'default_permissions' mount option is given, this method is not called.

This method is not called under Linux kernel versions 2.4.x

Introduced in version 2.5

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
maskrequested access mode
void(* fuse_lowlevel_ops::bmap)(fuse_req_t req, fuse_ino_t ino, size_t blocksize, uint64_t idx)

Map block index within file to block index within device

Note: This makes sense only for block device backed filesystems mounted with the 'blkdev' option

Introduced in version 2.6

Valid replies: fuse_reply_bmap fuse_reply_err

Parameters
reqrequest handle
inothe inode number
blocksizeunit of block index
idxblock index within file
void(* fuse_lowlevel_ops::create)(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, struct fuse_file_info *fi)

Create and open a file

If the file does not exist, first create it with the specified mode, and then open it.

Open flags (with the exception of O_NOCTTY) are available in fi->flags.

Filesystem may store an arbitrary file handle (pointer, index, etc) in fi->fh, and use this in other all other file operations (read, write, flush, release, fsync).

There are also some flags (direct_io, keep_cache) which the filesystem may set in fi, to change the way the file is opened. See fuse_file_info structure in <fuse_common.h> for more details.

If this method is not implemented or under Linux kernel versions earlier than 2.6.15, the mknod() and open() methods will be called instead.

Introduced in version 2.5

Valid replies: fuse_reply_create fuse_reply_err

Parameters
reqrequest handle
parentinode number of the parent directory
nameto create
modefile type and mode with which to create the new file
fifile information
void(* fuse_lowlevel_ops::destroy)(void *userdata)

Clean up filesystem

Called on filesystem exit

There's no reply to this function

Parameters
userdatathe user data passed to fuse_lowlevel_new()
void(* fuse_lowlevel_ops::fallocate)(fuse_req_t req, fuse_ino_t ino, int mode, off_t offset, off_t length, struct fuse_file_info *fi)

Allocate requested space. If this function returns success then subsequent writes to the specified range shall not fail due to the lack of free space on the file system storage media.

Introduced in version 2.9

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
offsetstarting point for allocated region
lengthsize of allocated region
modedetermines the operation to be performed on the given range, see fallocate(2)
void(* fuse_lowlevel_ops::flock)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, int op)

Acquire, modify or release a BSD file lock

Note: if the locking methods are not implemented, the kernel will still allow file locking to work locally. Hence these are only interesting for network filesystems and similar.

Introduced in version 2.9

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
opthe locking operation, see flock(2)
void(* fuse_lowlevel_ops::flush)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)

Flush method

This is called on each close() of the opened file.

Since file descriptors can be duplicated (dup, dup2, fork), for one open call there may be many flush calls.

Filesystems shouldn't assume that flush will always be called after some writes, or that if will be called at all.

fi->fh will contain the value set by the open method, or will be undefined if the open method didn't set any value.

NOTE: the name of the method is misleading, since (unlike fsync) the filesystem is not forced to flush pending writes. One reason to flush data, is if the filesystem wants to return write errors.

If the filesystem supports file locking operations (setlk, getlk) it should remove all locks belonging to 'fi->owner'.

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
void(* fuse_lowlevel_ops::forget)(fuse_req_t req, fuse_ino_t ino, unsigned long nlookup)

Forget about an inode

This function is called when the kernel removes an inode from its internal caches.

The inode's lookup count increases by one for every call to fuse_reply_entry and fuse_reply_create. The nlookup parameter indicates by how much the lookup count should be decreased.

Inodes with a non-zero lookup count may receive request from the kernel even after calls to unlink, rmdir or (when overwriting an existing file) rename. Filesystems must handle such requests properly and it is recommended to defer removal of the inode until the lookup count reaches zero. Calls to unlink, remdir or rename will be followed closely by forget unless the file or directory is open, in which case the kernel issues forget only after the release or releasedir calls.

Note that if a file system will be exported over NFS the inodes lifetime must extend even beyond forget. See the generation field in struct fuse_entry_param above.

On unmount the lookup count for all inodes implicitly drops to zero. It is not guaranteed that the file system will receive corresponding forget messages for the affected inodes.

Valid replies: fuse_reply_none

Parameters
reqrequest handle
inothe inode number
nlookupthe number of lookups to forget
void(* fuse_lowlevel_ops::forget_multi)(fuse_req_t req, size_t count, struct fuse_forget_data *forgets)

Forget about multiple inodes

See description of the forget function for more information.

Introduced in version 2.9

Valid replies: fuse_reply_none

Parameters
reqrequest handle
void(* fuse_lowlevel_ops::fsync)(fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi)

Synchronize file contents

If the datasync parameter is non-zero, then only the user data should be flushed, not the meta data.

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
datasyncflag indicating if only data should be flushed
fifile information
void(* fuse_lowlevel_ops::fsyncdir)(fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi)

Synchronize directory contents

If the datasync parameter is non-zero, then only the directory contents should be flushed, not the meta data.

fi->fh will contain the value set by the opendir method, or will be undefined if the opendir method didn't set any value.

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
datasyncflag indicating if only data should be flushed
fifile information
void(* fuse_lowlevel_ops::getattr)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)

Get file attributes

Valid replies: fuse_reply_attr fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifor future use, currently always NULL
void(* fuse_lowlevel_ops::getlk)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock)

Test for a POSIX file lock

Introduced in version 2.6

Valid replies: fuse_reply_lock fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
lockthe region/type to test
void(* fuse_lowlevel_ops::getxattr)(fuse_req_t req, fuse_ino_t ino, const char *name, size_t size)

Get an extended attribute

If size is zero, the size of the value should be sent with fuse_reply_xattr.

If the size is non-zero, and the value fits in the buffer, the value should be sent with fuse_reply_buf.

If the size is too small for the value, the ERANGE error should be sent.

Valid replies: fuse_reply_buf fuse_reply_data fuse_reply_xattr fuse_reply_err

Parameters
reqrequest handle
inothe inode number
nameof the extended attribute
sizemaximum size of the value to send
void(* fuse_lowlevel_ops::init)(void *userdata, struct fuse_conn_info *conn)

Initialize filesystem

Called before any other filesystem method

There's no reply to this function

Parameters
userdatathe user data passed to fuse_lowlevel_new()
void(* fuse_lowlevel_ops::ioctl)(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg, struct fuse_file_info *fi, unsigned flags, const void *in_buf, size_t in_bufsz, size_t out_bufsz)

Ioctl

Note: For unrestricted ioctls (not allowed for FUSE servers), data in and out areas can be discovered by giving iovs and setting FUSE_IOCTL_RETRY in . For restricted ioctls, kernel prepares in/out data area according to the information encoded in cmd.

Introduced in version 2.8

Valid replies: fuse_reply_ioctl_retry fuse_reply_ioctl fuse_reply_ioctl_iov fuse_reply_err

Parameters
reqrequest handle
inothe inode number
cmdioctl command
argioctl argument
fifile information
flagsfor FUSE_IOCTL_* flags
in_bufdata fetched from the caller
in_bufsznumber of fetched bytes
out_bufszmaximum size of output data
void(* fuse_lowlevel_ops::link)(fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, const char *newname)

Create a hard link

Valid replies: fuse_reply_entry fuse_reply_err

Parameters
reqrequest handle
inothe old inode number
newparentinode number of the new parent directory
newnamenew name to create
void(* fuse_lowlevel_ops::listxattr)(fuse_req_t req, fuse_ino_t ino, size_t size)

List extended attribute names

If size is zero, the total size of the attribute list should be sent with fuse_reply_xattr.

If the size is non-zero, and the null character separated attribute list fits in the buffer, the list should be sent with fuse_reply_buf.

If the size is too small for the list, the ERANGE error should be sent.

Valid replies: fuse_reply_buf fuse_reply_data fuse_reply_xattr fuse_reply_err

Parameters
reqrequest handle
inothe inode number
sizemaximum size of the list to send
void(* fuse_lowlevel_ops::lookup)(fuse_req_t req, fuse_ino_t parent, const char *name)

Look up a directory entry by name and get its attributes.

Valid replies: fuse_reply_entry fuse_reply_err

Parameters
reqrequest handle
parentinode number of the parent directory
namethe name to look up
void(* fuse_lowlevel_ops::mkdir)(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode)

Create a directory

Valid replies: fuse_reply_entry fuse_reply_err

Parameters
reqrequest handle
parentinode number of the parent directory
nameto create
modewith which to create the new file
void(* fuse_lowlevel_ops::mknod)(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, dev_t rdev)

Create file node

Create a regular file, character device, block device, fifo or socket node.

Valid replies: fuse_reply_entry fuse_reply_err

Parameters
reqrequest handle
parentinode number of the parent directory
nameto create
modefile type and mode with which to create the new file
rdevthe device number (only valid if created file is a device)
void(* fuse_lowlevel_ops::open)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)

Open a file

Open flags (with the exception of O_CREAT, O_EXCL, O_NOCTTY and O_TRUNC) are available in fi->flags.

Filesystem may store an arbitrary file handle (pointer, index, etc) in fi->fh, and use this in other all other file operations (read, write, flush, release, fsync).

Filesystem may also implement stateless file I/O and not store anything in fi->fh.

There are also some flags (direct_io, keep_cache) which the filesystem may set in fi, to change the way the file is opened. See fuse_file_info structure in <fuse_common.h> for more details.

Valid replies: fuse_reply_open fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
void(* fuse_lowlevel_ops::opendir)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)

Open a directory

Filesystem may store an arbitrary file handle (pointer, index, etc) in fi->fh, and use this in other all other directory stream operations (readdir, releasedir, fsyncdir).

Filesystem may also implement stateless directory I/O and not store anything in fi->fh, though that makes it impossible to implement standard conforming directory stream operations in case the contents of the directory can change between opendir and releasedir.

Valid replies: fuse_reply_open fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
void(* fuse_lowlevel_ops::poll)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct fuse_pollhandle *ph)

Poll for IO readiness

Introduced in version 2.8

Note: If ph is non-NULL, the client should notify when IO readiness events occur by calling fuse_lowelevel_notify_poll() with the specified ph.

Regardless of the number of times poll with a non-NULL ph is received, single notification is enough to clear all. Notifying more times incurs overhead but doesn't harm correctness.

The callee is responsible for destroying ph with fuse_pollhandle_destroy() when no longer in use.

Valid replies: fuse_reply_poll fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
phpoll handle to be used for notification
void(* fuse_lowlevel_ops::read)(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi)

Read data

Read should send exactly the number of bytes requested except on EOF or error, otherwise the rest of the data will be substituted with zeroes. An exception to this is when the file has been opened in 'direct_io' mode, in which case the return value of the read system call will reflect the return value of this operation.

fi->fh will contain the value set by the open method, or will be undefined if the open method didn't set any value.

Valid replies: fuse_reply_buf fuse_reply_iov fuse_reply_data fuse_reply_err

Parameters
reqrequest handle
inothe inode number
sizenumber of bytes to read
offoffset to read from
fifile information
void(* fuse_lowlevel_ops::readdir)(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi)

Read directory

Send a buffer filled using fuse_add_direntry(), with size not exceeding the requested size. Send an empty buffer on end of stream.

fi->fh will contain the value set by the opendir method, or will be undefined if the opendir method didn't set any value.

Valid replies: fuse_reply_buf fuse_reply_data fuse_reply_err

Parameters
reqrequest handle
inothe inode number
sizemaximum number of bytes to send
offoffset to continue reading the directory stream
fifile information
void(* fuse_lowlevel_ops::readlink)(fuse_req_t req, fuse_ino_t ino)

Read symbolic link

Valid replies: fuse_reply_readlink fuse_reply_err

Parameters
reqrequest handle
inothe inode number
void(* fuse_lowlevel_ops::release)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)

Release an open file

Release is called when there are no more references to an open file: all file descriptors are closed and all memory mappings are unmapped.

For every open call there will be exactly one release call.

The filesystem may reply with an error, but error values are not returned to close() or munmap() which triggered the release.

fi->fh will contain the value set by the open method, or will be undefined if the open method didn't set any value. fi->flags will contain the same flags as for open.

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
void(* fuse_lowlevel_ops::releasedir)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)

Release an open directory

For every opendir call there will be exactly one releasedir call.

fi->fh will contain the value set by the opendir method, or will be undefined if the opendir method didn't set any value.

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
void(* fuse_lowlevel_ops::removexattr)(fuse_req_t req, fuse_ino_t ino, const char *name)

Remove an extended attribute

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
nameof the extended attribute
void(* fuse_lowlevel_ops::rename)(fuse_req_t req, fuse_ino_t parent, const char *name, fuse_ino_t newparent, const char *newname)

Rename a file

If the target exists it should be atomically replaced. If the target's inode's lookup count is non-zero, the file system is expected to postpone any removal of the inode until the lookup count reaches zero (see description of the forget function).

Valid replies: fuse_reply_err

Parameters
reqrequest handle
parentinode number of the old parent directory
nameold name
newparentinode number of the new parent directory
newnamenew name
void(* fuse_lowlevel_ops::retrieve_reply)(fuse_req_t req, void *cookie, fuse_ino_t ino, off_t offset, struct fuse_bufvec *bufv)

Callback function for the retrieve request

Introduced in version 2.9

Valid replies: fuse_reply_none

Parameters
reqrequest handle
cookieuser data supplied to fuse_lowlevel_notify_retrieve()
inothe inode number supplied to fuse_lowlevel_notify_retrieve()
offsetthe offset supplied to fuse_lowlevel_notify_retrieve()
bufvthe buffer containing the returned data
void(* fuse_lowlevel_ops::rmdir)(fuse_req_t req, fuse_ino_t parent, const char *name)

Remove a directory

If the directory's inode's lookup count is non-zero, the file system is expected to postpone any removal of the inode until the lookup count reaches zero (see description of the forget function).

Valid replies: fuse_reply_err

Parameters
reqrequest handle
parentinode number of the parent directory
nameto remove
void(* fuse_lowlevel_ops::setattr)(fuse_req_t req, fuse_ino_t ino, struct stat *attr, int to_set, struct fuse_file_info *fi)

Set file attributes

In the 'attr' argument only members indicated by the 'to_set' bitmask contain valid values. Other members contain undefined values.

If the setattr was invoked from the ftruncate() system call under Linux kernel versions 2.6.15 or later, the fi->fh will contain the value set by the open method or will be undefined if the open method didn't set any value. Otherwise (not ftruncate call, or kernel version earlier than 2.6.15) the fi parameter will be NULL.

Valid replies: fuse_reply_attr fuse_reply_err

Parameters
reqrequest handle
inothe inode number
attrthe attributes
to_setbit mask of attributes which should be set
fifile information, or NULL

Changed in version 2.5: file information filled in for ftruncate

void(* fuse_lowlevel_ops::setlk)(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock, int sleep)

Acquire, modify or release a POSIX file lock

For POSIX threads (NPTL) there's a 1-1 relation between pid and owner, but otherwise this is not always the case. For checking lock ownership, 'fi->owner' must be used. The l_pid field in 'struct flock' should only be used to fill in this field in getlk().

Note: if the locking methods are not implemented, the kernel will still allow file locking to work locally. Hence these are only interesting for network filesystems and similar.

Introduced in version 2.6

Valid replies: fuse_reply_err

Parameters
reqrequest handle
inothe inode number
fifile information
lockthe region/type to set
sleeplocking operation may sleep
void(* fuse_lowlevel_ops::setxattr)(fuse_req_t req, fuse_ino_t ino, const char *name, const char *value, size_t size, int flags)

Set an extended attribute

Valid replies: fuse_reply_err

void(* fuse_lowlevel_ops::statfs)(fuse_req_t req, fuse_ino_t ino)

Get file system statistics

Valid replies: fuse_reply_statfs fuse_reply_err

Parameters
reqrequest handle
inothe inode number, zero means "undefined"
void(* fuse_lowlevel_ops::symlink)(fuse_req_t req, const char *link, fuse_ino_t parent, const char *name)

Create a symbolic link

Valid replies: fuse_reply_entry fuse_reply_err

Parameters
reqrequest handle
linkthe contents of the symbolic link
parentinode number of the parent directory
nameto create
void(* fuse_lowlevel_ops::unlink)(fuse_req_t req, fuse_ino_t parent, const char *name)

Remove a file

If the file's inode's lookup count is non-zero, the file system is expected to postpone any removal of the inode until the lookup count reaches zero (see description of the forget function).

Valid replies: fuse_reply_err

Parameters
reqrequest handle
parentinode number of the parent directory
nameto remove
void(* fuse_lowlevel_ops::write)(fuse_req_t req, fuse_ino_t ino, const char *buf, size_t size, off_t off, struct fuse_file_info *fi)

Write data

Write should return exactly the number of bytes requested except on error. An exception to this is when the file has been opened in 'direct_io' mode, in which case the return value of the write system call will reflect the return value of this operation.

fi->fh will contain the value set by the open method, or will be undefined if the open method didn't set any value.

Valid replies: fuse_reply_write fuse_reply_err

Parameters
reqrequest handle
inothe inode number
bufdata to write
sizenumber of bytes to write
offoffset to write to
fifile information
void(* fuse_lowlevel_ops::write_buf)(fuse_req_t req, fuse_ino_t ino, struct fuse_bufvec *bufv, off_t off, struct fuse_file_info *fi)

Write data made available in a buffer

This is a more generic version of the ->write() method. If FUSE_CAP_SPLICE_READ is set in fuse_conn_info.want and the kernel supports splicing from the fuse device, then the data will be made available in pipe for supporting zero copy data transfer.

buf->count is guaranteed to be one (and thus buf->idx is always zero). The write_buf handler must ensure that bufv->off is correctly updated (reflecting the number of bytes read from bufv->buf[0]).

Introduced in version 2.9

Valid replies: fuse_reply_write fuse_reply_err

Parameters
reqrequest handle
inothe inode number
bufvbuffer containing the data
offoffset to write to
fifile information
The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/globals_func.html0000664000175000017500000003367012707431663014475 00000000000000 fuse: Globals
 

- f -

Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__entry__param.html0000664000175000017500000001625512707431666017150 00000000000000 fuse: fuse_entry_param Struct Reference
Data Fields
fuse_entry_param Struct Reference

#include <fuse_lowlevel.h>

Data Fields

fuse_ino_t ino
 
unsigned long generation
 
struct stat attr
 
double attr_timeout
 
double entry_timeout
 

Detailed Description

Directory entry parameters supplied to fuse_reply_entry()

Field Documentation

struct stat fuse_entry_param::attr

Inode attributes.

Even if attr_timeout == 0, attr must be correct. For example, for open(), FUSE uses attr.st_size from lookup() to determine how many bytes to request. If this value is not correct, incorrect data will be returned.

double fuse_entry_param::attr_timeout

Validity timeout (in seconds) for the attributes

double fuse_entry_param::entry_timeout

Validity timeout (in seconds) for the name

unsigned long fuse_entry_param::generation

Generation number for this entry.

If the file system will be exported over NFS, the ino/generation pairs need to be unique over the file system's lifetime (rather than just the mount time). So if the file system reuses an inode after it has been deleted, it must assign a new, previously unused generation number to the inode at the same time.

The generation must be non-zero, otherwise FUSE will treat it as an error.

fuse_ino_t fuse_entry_param::ino

Unique inode number

In lookup, zero means negative entry (from version 2.5) Returning ENOENT also means negative entry, but by setting zero ino the kernel may cache negative entries for entry_timeout seconds.

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
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transition-property: background-color, box-shadow; transition-duration: 0.5s; } .memberdecls td.glow, .fieldtable tr.glow { background-color: cyan; box-shadow: 0 0 15px cyan; } .mdescLeft, .mdescRight, .memItemLeft, .memItemRight, .memTemplItemLeft, .memTemplItemRight, .memTemplParams { background-color: #F9FAFC; border: none; margin: 4px; padding: 1px 0 0 8px; } .mdescLeft, .mdescRight { padding: 0px 8px 4px 8px; color: #555; } .memSeparator { border-bottom: 1px solid #DEE4F0; line-height: 1px; margin: 0px; padding: 0px; } .memItemLeft, .memTemplItemLeft { white-space: nowrap; } .memItemRight { width: 100%; } .memTemplParams { color: #4665A2; white-space: nowrap; font-size: 80%; } /* @end */ /* @group Member Details */ /* Styles for detailed member documentation */ .memtemplate { font-size: 80%; color: #4665A2; font-weight: normal; margin-left: 9px; } .memnav { background-color: #EBEFF6; border: 1px solid #A3B4D7; text-align: center; margin: 2px; margin-right: 15px; padding: 2px; } .mempage { width: 100%; } .memitem { padding: 0; margin-bottom: 10px; margin-right: 5px; -webkit-transition: box-shadow 0.5s linear; -moz-transition: box-shadow 0.5s linear; -ms-transition: box-shadow 0.5s linear; -o-transition: box-shadow 0.5s linear; transition: box-shadow 0.5s linear; display: table !important; width: 100%; } .memitem.glow { box-shadow: 0 0 15px cyan; } .memname { font-weight: bold; margin-left: 6px; } .memname td { vertical-align: bottom; } .memproto, dl.reflist dt { border-top: 1px solid #A8B8D9; border-left: 1px solid #A8B8D9; border-right: 1px solid #A8B8D9; padding: 6px 0px 6px 0px; color: #253555; font-weight: bold; text-shadow: 0px 1px 1px rgba(255, 255, 255, 0.9); background-image:url('nav_f.png'); background-repeat:repeat-x; background-color: #E2E8F2; /* opera specific markup */ box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15); border-top-right-radius: 4px; border-top-left-radius: 4px; /* firefox specific markup */ -moz-box-shadow: rgba(0, 0, 0, 0.15) 5px 5px 5px; -moz-border-radius-topright: 4px; -moz-border-radius-topleft: 4px; /* webkit specific markup */ -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15); -webkit-border-top-right-radius: 4px; -webkit-border-top-left-radius: 4px; } .memdoc, dl.reflist dd { border-bottom: 1px solid #A8B8D9; border-left: 1px solid #A8B8D9; border-right: 1px solid #A8B8D9; padding: 6px 10px 2px 10px; background-color: #FBFCFD; border-top-width: 0; background-image:url('nav_g.png'); background-repeat:repeat-x; background-color: #FFFFFF; /* opera specific markup */ border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15); /* firefox specific markup */ -moz-border-radius-bottomleft: 4px; -moz-border-radius-bottomright: 4px; -moz-box-shadow: rgba(0, 0, 0, 0.15) 5px 5px 5px; /* webkit specific markup */ -webkit-border-bottom-left-radius: 4px; -webkit-border-bottom-right-radius: 4px; -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15); } dl.reflist dt { padding: 5px; } dl.reflist dd { margin: 0px 0px 10px 0px; 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white-space: nowrap; vertical-align: middle; } /* @end */ /* these are for tree view inside a (index) page */ div.directory { margin: 10px 0px; border-top: 1px solid #9CAFD4; border-bottom: 1px solid #9CAFD4; width: 100%; } .directory table { border-collapse:collapse; } .directory td { margin: 0px; padding: 0px; vertical-align: top; } .directory td.entry { white-space: nowrap; padding-right: 6px; padding-top: 3px; } .directory td.entry a { outline:none; } .directory td.entry a img { border: none; } .directory td.desc { width: 100%; padding-left: 6px; padding-right: 6px; padding-top: 3px; border-left: 1px solid rgba(0,0,0,0.05); } .directory tr.even { padding-left: 6px; background-color: #F7F8FB; } .directory img { vertical-align: -30%; } .directory .levels { white-space: nowrap; width: 100%; text-align: right; font-size: 9pt; } .directory .levels span { cursor: pointer; padding-left: 2px; padding-right: 2px; color: #3D578C; } .arrow { color: #9CAFD4; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; cursor: pointer; font-size: 80%; display: inline-block; width: 16px; height: 22px; } .icon { font-family: Arial, Helvetica; font-weight: bold; font-size: 12px; height: 14px; width: 16px; display: inline-block; background-color: #728DC1; color: white; text-align: center; border-radius: 4px; margin-left: 2px; margin-right: 2px; } .icona { width: 24px; height: 22px; display: inline-block; } .iconfopen { width: 24px; height: 18px; margin-bottom: 4px; background-image:url('ftv2folderopen.png'); background-position: 0px -4px; background-repeat: repeat-y; vertical-align:top; display: inline-block; } .iconfclosed { width: 24px; height: 18px; margin-bottom: 4px; background-image:url('ftv2folderclosed.png'); background-position: 0px -4px; background-repeat: repeat-y; vertical-align:top; display: inline-block; } .icondoc { width: 24px; height: 18px; margin-bottom: 4px; background-image:url('ftv2doc.png'); background-position: 0px -4px; background-repeat: repeat-y; vertical-align:top; display: inline-block; } table.directory { font: 400 14px Roboto,sans-serif; } /* @end */ div.dynheader { margin-top: 8px; -webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; } address { font-style: normal; color: #2A3D61; } table.doxtable { border-collapse:collapse; margin-top: 4px; margin-bottom: 4px; } table.doxtable td, table.doxtable th { border: 1px solid #2D4068; padding: 3px 7px 2px; } table.doxtable th { background-color: #374F7F; color: #FFFFFF; font-size: 110%; padding-bottom: 4px; padding-top: 5px; } table.fieldtable { /*width: 100%;*/ margin-bottom: 10px; border: 1px solid #A8B8D9; border-spacing: 0px; -moz-border-radius: 4px; -webkit-border-radius: 4px; border-radius: 4px; -moz-box-shadow: rgba(0, 0, 0, 0.15) 2px 2px 2px; -webkit-box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.15); box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.15); } .fieldtable td, .fieldtable th { padding: 3px 7px 2px; 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font-size: 13px; } .navpath ul { font-size: 11px; background-image:url('tab_b.png'); background-repeat:repeat-x; background-position: 0 -5px; height:30px; line-height:30px; color:#8AA0CC; border:solid 1px #C2CDE4; overflow:hidden; margin:0px; padding:0px; } .navpath li { list-style-type:none; float:left; padding-left:10px; padding-right:15px; background-image:url('bc_s.png'); background-repeat:no-repeat; background-position:right; color:#364D7C; } .navpath li.navelem a { height:32px; display:block; text-decoration: none; outline: none; color: #283A5D; font-family: 'Lucida Grande',Geneva,Helvetica,Arial,sans-serif; text-shadow: 0px 1px 1px rgba(255, 255, 255, 0.9); text-decoration: none; } .navpath li.navelem a:hover { color:#6884BD; } .navpath li.footer { list-style-type:none; float:right; padding-left:10px; padding-right:15px; background-image:none; background-repeat:no-repeat; background-position:right; color:#364D7C; font-size: 8pt; } div.summary { float: right; font-size: 8pt; padding-right: 5px; width: 50%; text-align: right; } div.summary a { white-space: nowrap; } div.ingroups { font-size: 8pt; width: 50%; text-align: left; } div.ingroups a { white-space: nowrap; } div.header { background-image:url('nav_h.png'); background-repeat:repeat-x; background-color: #F9FAFC; margin: 0px; border-bottom: 1px solid #C4CFE5; } div.headertitle { padding: 5px 5px 5px 10px; } dl { padding: 0 0 0 10px; } /* dl.note, dl.warning, dl.attention, dl.pre, dl.post, dl.invariant, dl.deprecated, dl.todo, dl.test, dl.bug */ dl.section { margin-left: 0px; padding-left: 0px; } dl.note { margin-left:-7px; padding-left: 3px; border-left:4px solid; border-color: #D0C000; } dl.warning, dl.attention { margin-left:-7px; padding-left: 3px; border-left:4px solid; border-color: #FF0000; } dl.pre, dl.post, dl.invariant { margin-left:-7px; padding-left: 3px; border-left:4px solid; border-color: #00D000; } dl.deprecated { margin-left:-7px; padding-left: 3px; border-left:4px solid; border-color: #505050; } dl.todo { margin-left:-7px; 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} #powerTip.s:after, #powerTip.se:after, #powerTip.sw:after { border-bottom-color: #ffffff; border-width: 10px; margin: 0px -10px; } #powerTip.s:before, #powerTip.se:before, #powerTip.sw:before { border-bottom-color: #808080; border-width: 11px; margin: 0px -11px; } #powerTip.s:after, #powerTip.s:before { left: 50%; } #powerTip.sw:after, #powerTip.sw:before { right: 14px; } #powerTip.se:after, #powerTip.se:before { left: 14px; } #powerTip.e:after, #powerTip.e:before { left: 100%; } #powerTip.e:after { border-left-color: #ffffff; border-width: 10px; top: 50%; margin-top: -10px; } #powerTip.e:before { border-left-color: #808080; border-width: 11px; top: 50%; margin-top: -11px; } #powerTip.w:after, #powerTip.w:before { right: 100%; } #powerTip.w:after { border-right-color: #ffffff; border-width: 10px; top: 50%; margin-top: -10px; } #powerTip.w:before { border-right-color: #808080; border-width: 11px; top: 50%; margin-top: -11px; } @media print { #top { display: none; } #side-nav { display: none; } #nav-path { display: none; } body { overflow:visible; } h1, h2, h3, h4, h5, h6 { page-break-after: avoid; } .summary { display: none; } .memitem { page-break-inside: avoid; } #doc-content { margin-left:0 !important; height:auto !important; width:auto !important; overflow:inherit; display:inline; } } fuse-2.9.7/doc/html/files.html0000664000175000017500000000701212707431662013127 00000000000000 fuse: File List
File List
Here is a list of all documented files with brief descriptions:
[detail level 12]
 ▼ include
 fuse.h
 fuse_common.h
 fuse_lowlevel.h
 fuse_opt.h
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/annotated.html0000664000175000017500000001336512707431662014012 00000000000000 fuse: Data Structures
Data Structures
Here are the data structures with brief descriptions:
 Cfuse_args
 Cfuse_buf
 Cfuse_bufvec
 Cfuse_chan_ops
 Cfuse_conn_info
 Cfuse_context
 Cfuse_ctx
 Cfuse_entry_param
 Cfuse_file_info
 Cfuse_lowlevel_ops
 Cfuse_module
 Cfuse_operations
 Cfuse_opt
 Cfuse_session_ops
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__operations.html0000664000175000017500000015606712707431673016657 00000000000000 fuse: fuse_operations Struct Reference
Data Fields
fuse_operations Struct Reference

#include <fuse.h>

Data Fields

int(* getattr )(const char *, struct stat *)
 
int(* readlink )(const char *, char *, size_t)
 
int(* mknod )(const char *, mode_t, dev_t)
 
int(* mkdir )(const char *, mode_t)
 
int(* unlink )(const char *)
 
int(* rmdir )(const char *)
 
int(* symlink )(const char *, const char *)
 
int(* rename )(const char *, const char *)
 
int(* link )(const char *, const char *)
 
int(* chmod )(const char *, mode_t)
 
int(* chown )(const char *, uid_t, gid_t)
 
int(* truncate )(const char *, off_t)
 
int(* utime )(const char *, struct utimbuf *)
 
int(* open )(const char *, struct fuse_file_info *)
 
int(* read )(const char *, char *, size_t, off_t, struct fuse_file_info *)
 
int(* write )(const char *, const char *, size_t, off_t, struct fuse_file_info *)
 
int(* statfs )(const char *, struct statvfs *)
 
int(* flush )(const char *, struct fuse_file_info *)
 
int(* release )(const char *, struct fuse_file_info *)
 
int(* fsync )(const char *, int, struct fuse_file_info *)
 
int(* setxattr )(const char *, const char *, const char *, size_t, int)
 
int(* getxattr )(const char *, const char *, char *, size_t)
 
int(* listxattr )(const char *, char *, size_t)
 
int(* removexattr )(const char *, const char *)
 
int(* opendir )(const char *, struct fuse_file_info *)
 
int(* readdir )(const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *)
 
int(* releasedir )(const char *, struct fuse_file_info *)
 
int(* fsyncdir )(const char *, int, struct fuse_file_info *)
 
void *(* init )(struct fuse_conn_info *conn)
 
void(* destroy )(void *)
 
int(* access )(const char *, int)
 
int(* create )(const char *, mode_t, struct fuse_file_info *)
 
int(* ftruncate )(const char *, off_t, struct fuse_file_info *)
 
int(* fgetattr )(const char *, struct stat *, struct fuse_file_info *)
 
int(* lock )(const char *, struct fuse_file_info *, int cmd, struct flock *)
 
int(* utimens )(const char *, const struct timespec tv[2])
 
int(* bmap )(const char *, size_t blocksize, uint64_t *idx)
 
unsigned int flag_nullpath_ok:1
 
unsigned int flag_nopath:1
 
unsigned int flag_utime_omit_ok:1
 
unsigned int flag_reserved:29
 
int(* ioctl )(const char *, int cmd, void *arg, struct fuse_file_info *, unsigned int flags, void *data)
 
int(* poll )(const char *, struct fuse_file_info *, struct fuse_pollhandle *ph, unsigned *reventsp)
 
int(* write_buf )(const char *, struct fuse_bufvec *buf, off_t off, struct fuse_file_info *)
 
int(* read_buf )(const char *, struct fuse_bufvec **bufp, size_t size, off_t off, struct fuse_file_info *)
 
int(* flock )(const char *, struct fuse_file_info *, int op)
 
int(* fallocate )(const char *, int, off_t, off_t, struct fuse_file_info *)
 

Detailed Description

The file system operations:

Most of these should work very similarly to the well known UNIX file system operations. A major exception is that instead of returning an error in 'errno', the operation should return the negated error value (-errno) directly.

All methods are optional, but some are essential for a useful filesystem (e.g. getattr). Open, flush, release, fsync, opendir, releasedir, fsyncdir, access, create, ftruncate, fgetattr, lock, init and destroy are special purpose methods, without which a full featured filesystem can still be implemented.

Almost all operations take a path which can be of any length.

Changed in fuse 2.8.0 (regardless of API version) Previously, paths were limited to a length of PATH_MAX.

See http://fuse.sourceforge.net/wiki/ for more information. There is also a snapshot of the relevant wiki pages in the doc/ folder.

Field Documentation

int(* fuse_operations::access)(const char *, int)

Check file access permissions

This will be called for the access() system call. If the 'default_permissions' mount option is given, this method is not called.

This method is not called under Linux kernel versions 2.4.x

Introduced in version 2.5

int(* fuse_operations::bmap)(const char *, size_t blocksize, uint64_t *idx)

Map block index within file to block index within device

Note: This makes sense only for block device backed filesystems mounted with the 'blkdev' option

Introduced in version 2.6

int(* fuse_operations::chmod)(const char *, mode_t)

Change the permission bits of a file

int(* fuse_operations::chown)(const char *, uid_t, gid_t)

Change the owner and group of a file

int(* fuse_operations::create)(const char *, mode_t, struct fuse_file_info *)

Create and open a file

If the file does not exist, first create it with the specified mode, and then open it.

If this method is not implemented or under Linux kernel versions earlier than 2.6.15, the mknod() and open() methods will be called instead.

Introduced in version 2.5

void(* fuse_operations::destroy)(void *)

Clean up filesystem

Called on filesystem exit.

Introduced in version 2.3

int(* fuse_operations::fallocate)(const char *, int, off_t, off_t, struct fuse_file_info *)

Allocates space for an open file

This function ensures that required space is allocated for specified file. If this function returns success then any subsequent write request to specified range is guaranteed not to fail because of lack of space on the file system media.

Introduced in version 2.9.1

int(* fuse_operations::fgetattr)(const char *, struct stat *, struct fuse_file_info *)

Get attributes from an open file

This method is called instead of the getattr() method if the file information is available.

Currently this is only called after the create() method if that is implemented (see above). Later it may be called for invocations of fstat() too.

Introduced in version 2.5

unsigned int fuse_operations::flag_nopath

Flag indicating that the path need not be calculated for the following operations:

read, write, flush, release, fsync, readdir, releasedir, fsyncdir, ftruncate, fgetattr, lock, ioctl and poll

Closely related to flag_nullpath_ok, but if this flag is set then the path will not be calculaged even if the file wasn't unlinked. However the path can still be non-NULL if it needs to be calculated for some other reason.

unsigned int fuse_operations::flag_nullpath_ok

Flag indicating that the filesystem can accept a NULL path as the first argument for the following operations:

read, write, flush, release, fsync, readdir, releasedir, fsyncdir, ftruncate, fgetattr, lock, ioctl and poll

If this flag is set these operations continue to work on unlinked files even if "-ohard_remove" option was specified.

unsigned int fuse_operations::flag_reserved

Reserved flags, don't set

unsigned int fuse_operations::flag_utime_omit_ok

Flag indicating that the filesystem accepts special UTIME_NOW and UTIME_OMIT values in its utimens operation.

int(* fuse_operations::flock)(const char *, struct fuse_file_info *, int op)

Perform BSD file locking operation

The op argument will be either LOCK_SH, LOCK_EX or LOCK_UN

Nonblocking requests will be indicated by ORing LOCK_NB to the above operations

For more information see the flock(2) manual page.

Additionally fi->owner will be set to a value unique to this open file. This same value will be supplied to ->release() when the file is released.

Note: if this method is not implemented, the kernel will still allow file locking to work locally. Hence it is only interesting for network filesystems and similar.

Introduced in version 2.9

int(* fuse_operations::flush)(const char *, struct fuse_file_info *)

Possibly flush cached data

BIG NOTE: This is not equivalent to fsync(). It's not a request to sync dirty data.

Flush is called on each close() of a file descriptor. So if a filesystem wants to return write errors in close() and the file has cached dirty data, this is a good place to write back data and return any errors. Since many applications ignore close() errors this is not always useful.

NOTE: The flush() method may be called more than once for each open(). This happens if more than one file descriptor refers to an opened file due to dup(), dup2() or fork() calls. It is not possible to determine if a flush is final, so each flush should be treated equally. Multiple write-flush sequences are relatively rare, so this shouldn't be a problem.

Filesystems shouldn't assume that flush will always be called after some writes, or that if will be called at all.

Changed in version 2.2

int(* fuse_operations::fsync)(const char *, int, struct fuse_file_info *)

Synchronize file contents

If the datasync parameter is non-zero, then only the user data should be flushed, not the meta data.

Changed in version 2.2

int(* fuse_operations::fsyncdir)(const char *, int, struct fuse_file_info *)

Synchronize directory contents

If the datasync parameter is non-zero, then only the user data should be flushed, not the meta data

Introduced in version 2.3

int(* fuse_operations::ftruncate)(const char *, off_t, struct fuse_file_info *)

Change the size of an open file

This method is called instead of the truncate() method if the truncation was invoked from an ftruncate() system call.

If this method is not implemented or under Linux kernel versions earlier than 2.6.15, the truncate() method will be called instead.

Introduced in version 2.5

int(* fuse_operations::getattr)(const char *, struct stat *)

Get file attributes.

Similar to stat(). The 'st_dev' and 'st_blksize' fields are ignored. The 'st_ino' field is ignored except if the 'use_ino' mount option is given.

int(* fuse_operations::getxattr)(const char *, const char *, char *, size_t)

Get extended attributes

void*(* fuse_operations::init)(struct fuse_conn_info *conn)

Initialize filesystem

The return value will passed in the private_data field of fuse_context to all file operations and as a parameter to the destroy() method.

Introduced in version 2.3 Changed in version 2.6

int(* fuse_operations::ioctl)(const char *, int cmd, void *arg, struct fuse_file_info *, unsigned int flags, void *data)

Ioctl

flags will have FUSE_IOCTL_COMPAT set for 32bit ioctls in 64bit environment. The size and direction of data is determined by IOC*() decoding of cmd. For _IOC_NONE, data will be NULL, for _IOC_WRITE data is out area, for _IOC_READ in area and if both are set in/out area. In all non-NULL cases, the area is of _IOC_SIZE(cmd) bytes.

If flags has FUSE_IOCTL_DIR then the fuse_file_info refers to a directory file handle.

Introduced in version 2.8

int(* fuse_operations::link)(const char *, const char *)

Create a hard link to a file

int(* fuse_operations::listxattr)(const char *, char *, size_t)

List extended attributes

int(* fuse_operations::lock)(const char *, struct fuse_file_info *, int cmd, struct flock *)

Perform POSIX file locking operation

The cmd argument will be either F_GETLK, F_SETLK or F_SETLKW.

For the meaning of fields in 'struct flock' see the man page for fcntl(2). The l_whence field will always be set to SEEK_SET.

For checking lock ownership, the 'fuse_file_info->owner' argument must be used.

For F_GETLK operation, the library will first check currently held locks, and if a conflicting lock is found it will return information without calling this method. This ensures, that for local locks the l_pid field is correctly filled in. The results may not be accurate in case of race conditions and in the presence of hard links, but it's unlikely that an application would rely on accurate GETLK results in these cases. If a conflicting lock is not found, this method will be called, and the filesystem may fill out l_pid by a meaningful value, or it may leave this field zero.

For F_SETLK and F_SETLKW the l_pid field will be set to the pid of the process performing the locking operation.

Note: if this method is not implemented, the kernel will still allow file locking to work locally. Hence it is only interesting for network filesystems and similar.

Introduced in version 2.6

int(* fuse_operations::mkdir)(const char *, mode_t)

Create a directory

Note that the mode argument may not have the type specification bits set, i.e. S_ISDIR(mode) can be false. To obtain the correct directory type bits use mode|S_IFDIR

int(* fuse_operations::mknod)(const char *, mode_t, dev_t)

Create a file node

This is called for creation of all non-directory, non-symlink nodes. If the filesystem defines a create() method, then for regular files that will be called instead.

int(* fuse_operations::open)(const char *, struct fuse_file_info *)

File open operation

No creation (O_CREAT, O_EXCL) and by default also no truncation (O_TRUNC) flags will be passed to open(). If an application specifies O_TRUNC, fuse first calls truncate() and then open(). Only if 'atomic_o_trunc' has been specified and kernel version is 2.6.24 or later, O_TRUNC is passed on to open.

Unless the 'default_permissions' mount option is given, open should check if the operation is permitted for the given flags. Optionally open may also return an arbitrary filehandle in the fuse_file_info structure, which will be passed to all file operations.

Changed in version 2.2

int(* fuse_operations::opendir)(const char *, struct fuse_file_info *)

Open directory

Unless the 'default_permissions' mount option is given, this method should check if opendir is permitted for this directory. Optionally opendir may also return an arbitrary filehandle in the fuse_file_info structure, which will be passed to readdir, closedir and fsyncdir.

Introduced in version 2.3

int(* fuse_operations::poll)(const char *, struct fuse_file_info *, struct fuse_pollhandle *ph, unsigned *reventsp)

Poll for IO readiness events

Note: If ph is non-NULL, the client should notify when IO readiness events occur by calling fuse_notify_poll() with the specified ph.

Regardless of the number of times poll with a non-NULL ph is received, single notification is enough to clear all. Notifying more times incurs overhead but doesn't harm correctness.

The callee is responsible for destroying ph with fuse_pollhandle_destroy() when no longer in use.

Introduced in version 2.8

int(* fuse_operations::read)(const char *, char *, size_t, off_t, struct fuse_file_info *)

Read data from an open file

Read should return exactly the number of bytes requested except on EOF or error, otherwise the rest of the data will be substituted with zeroes. An exception to this is when the 'direct_io' mount option is specified, in which case the return value of the read system call will reflect the return value of this operation.

Changed in version 2.2

int(* fuse_operations::read_buf)(const char *, struct fuse_bufvec **bufp, size_t size, off_t off, struct fuse_file_info *)

Store data from an open file in a buffer

Similar to the read() method, but data is stored and returned in a generic buffer.

No actual copying of data has to take place, the source file descriptor may simply be stored in the buffer for later data transfer.

The buffer must be allocated dynamically and stored at the location pointed to by bufp. If the buffer contains memory regions, they too must be allocated using malloc(). The allocated memory will be freed by the caller.

Introduced in version 2.9

int(* fuse_operations::readdir)(const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *)

Read directory

This supersedes the old getdir() interface. New applications should use this.

The filesystem may choose between two modes of operation:

1) The readdir implementation ignores the offset parameter, and passes zero to the filler function's offset. The filler function will not return '1' (unless an error happens), so the whole directory is read in a single readdir operation. This works just like the old getdir() method.

2) The readdir implementation keeps track of the offsets of the directory entries. It uses the offset parameter and always passes non-zero offset to the filler function. When the buffer is full (or an error happens) the filler function will return '1'.

Introduced in version 2.3

int(* fuse_operations::readlink)(const char *, char *, size_t)

Read the target of a symbolic link

The buffer should be filled with a null terminated string. The buffer size argument includes the space for the terminating null character. If the linkname is too long to fit in the buffer, it should be truncated. The return value should be 0 for success.

int(* fuse_operations::release)(const char *, struct fuse_file_info *)

Release an open file

Release is called when there are no more references to an open file: all file descriptors are closed and all memory mappings are unmapped.

For every open() call there will be exactly one release() call with the same flags and file descriptor. It is possible to have a file opened more than once, in which case only the last release will mean, that no more reads/writes will happen on the file. The return value of release is ignored.

Changed in version 2.2

int(* fuse_operations::releasedir)(const char *, struct fuse_file_info *)

Release directory

Introduced in version 2.3

int(* fuse_operations::removexattr)(const char *, const char *)

Remove extended attributes

int(* fuse_operations::rename)(const char *, const char *)

Rename a file

int(* fuse_operations::rmdir)(const char *)

Remove a directory

int(* fuse_operations::setxattr)(const char *, const char *, const char *, size_t, int)

Set extended attributes

int(* fuse_operations::statfs)(const char *, struct statvfs *)

Get file system statistics

The 'f_frsize', 'f_favail', 'f_fsid' and 'f_flag' fields are ignored

Replaced 'struct statfs' parameter with 'struct statvfs' in version 2.5

int(* fuse_operations::symlink)(const char *, const char *)

Create a symbolic link

int(* fuse_operations::truncate)(const char *, off_t)

Change the size of a file

int(* fuse_operations::unlink)(const char *)

Remove a file

int(* fuse_operations::utime)(const char *, struct utimbuf *)

Change the access and/or modification times of a file

Deprecated, use utimens() instead.

int(* fuse_operations::utimens)(const char *, const struct timespec tv[2])

Change the access and modification times of a file with nanosecond resolution

This supersedes the old utime() interface. New applications should use this.

See the utimensat(2) man page for details.

Introduced in version 2.6

int(* fuse_operations::write)(const char *, const char *, size_t, off_t, struct fuse_file_info *)

Write data to an open file

Write should return exactly the number of bytes requested except on error. An exception to this is when the 'direct_io' mount option is specified (see read operation).

Changed in version 2.2

int(* fuse_operations::write_buf)(const char *, struct fuse_bufvec *buf, off_t off, struct fuse_file_info *)

Write contents of buffer to an open file

Similar to the write() method, but data is supplied in a generic buffer. Use fuse_buf_copy() to transfer data to the destination.

Introduced in version 2.9

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__ctx.html0000664000175000017500000001244512707431666015263 00000000000000 fuse: fuse_ctx Struct Reference
Data Fields
fuse_ctx Struct Reference

#include <fuse_lowlevel.h>

Data Fields

uid_t uid
 
gid_t gid
 
pid_t pid
 
mode_t umask
 

Detailed Description

Additional context associated with requests

Field Documentation

gid_t fuse_ctx::gid

Group ID of the calling process

pid_t fuse_ctx::pid

Thread ID of the calling process

uid_t fuse_ctx::uid

User ID of the calling process

mode_t fuse_ctx::umask

Umask of the calling process (introduced in version 2.8)

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/ftv2lastnode.png0000664000175000017500000000012612707431656014262 00000000000000‰PNG  IHDRɪ|IDATxíݱðøScOx@ –¨y}IEND®B`‚fuse-2.9.7/doc/html/bdwn.png0000664000175000017500000000022312707431656012577 00000000000000‰PNG  IHDR5åZIDATxíË € DŸP–1ñlžmÀ r±j².e è†D[ØɾÙÏÔ¼µ¦ã´Þ|陣6€Všë3´Å?Ls'(}¬>+ žKó÷¥¿ch`‚ ^׃ÞnIEND®B`‚fuse-2.9.7/doc/html/tab_b.png0000664000175000017500000000025112707431656012715 00000000000000‰PNG  IHDR$ÇÇ[pIDATxíÝMƒ EáÇ»ÐÔ¸¸u`âÀ´V0РÆ}:t]DÁ²s¿ä®‚¶ýËu¥ø|’xùî½À>ÿ1»& mÄ8ÜSÙÑxÜLÀUûšÞ²ÄiE–ŠåOs„¢’nxàÒêÓKN²~jIEND®B`‚fuse-2.9.7/doc/html/functions.html0000664000175000017500000005256412707431662014051 00000000000000 fuse: Data Fields
Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

- a -

- b -

- c -

- d -

- e -

- f -

- g -

- i -

- k -

- l -

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Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/bc_s.png0000664000175000017500000000124412707431656012557 00000000000000‰PNG  IHDR€_ kIDATxíËkQÆϹÉ̤I&“¦mš&156*nÄ…”ܸR,4 +Hµ(U­b”ª1‚ŠˆJ.º(E·mßúhëJmKS'C›(‚èäÑ…¤ï &äÖþ ‡ïrÎåü3gö(z÷ýÒ&_9ó}’ÕŸ@‰mÚu ` Øh`ñ÷Ô¯  „ú&·ññ×Ù~“½—Üò‡ÎÝÑM4¸%‰3²§?Êêh)€ÿù™\ÄYi>Jb @gûßiÞˆú²Ñkg§ãê\è½­šEUæv+?E€î"pæÖÛB\ƒY&ðØó$vM+ê’Dn¼)}òþ:§Xoâ ƒ3ŠÚ¯'¯¿.‚fÁ0ìuŠ9òLýj€f6¸%«3Gf”Ô#Ôsm(,ùÃk*Ê’³Jª…¯¼JË¢o䆔¼u_~ °r]%%mnu]z°r5[ÍÆ°«Úò•Xeµ’†Iù<ÈèÐÅg@IÔÚÞàµë3‚:/<JÇ’ÐQ) ñ¹…tÚß÷(Mû\63éCgl!ýí;ÿ¸4Ùhâñ=÷Zë29­w’ÝÒ´·ˆV;ÊL3ƒj&7©·º½÷a!I†)ëë$-öÇÓú³›‹7tIV¾VàñÔübf¨8¡ÈƒB<﫵imnÿœÈ‡„ lߣù‡ÛD —#É5“­'Æ4?쬲øM’™›°»g¬‚|5Åçµ½GNdÓÐr|ô”Ã&„ì"7+'³@ 5‡Gâž‘Ç…âɬ^;õã–.3Òr"ý_R³¿Â@²oI¾å$IEND®B`‚fuse-2.9.7/doc/html/fuse_8h.html0000664000175000017500000013202012707431662013364 00000000000000 fuse: include/fuse.h File Reference
Data Structures | Macros | Typedefs | Functions
fuse.h File Reference
#include "fuse_common.h"
#include <fcntl.h>
#include <time.h>
#include <utime.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <sys/uio.h>
#include "fuse_compat.h"

Data Structures

struct  fuse_operations
 
struct  fuse_context
 
struct  fuse_module
 

Macros

#define fuse_main(argc, argv, op, user_data)   fuse_main_real(argc, argv, op, sizeof(*(op)), user_data)
 
#define FUSE_REGISTER_MODULE(name_, factory_)
 
#define fuse_main   fuse_main_compat2
 

Typedefs

typedef int(* fuse_fill_dir_t )(void *buf, const char *name, const struct stat *stbuf, off_t off)
 
typedef void(* fuse_processor_t )(struct fuse *, struct fuse_cmd *, void *)
 

Functions

struct fuse * fuse_new (struct fuse_chan *ch, struct fuse_args *args, const struct fuse_operations *op, size_t op_size, void *user_data)
 
void fuse_destroy (struct fuse *f)
 
int fuse_loop (struct fuse *f)
 
void fuse_exit (struct fuse *f)
 
int fuse_loop_mt (struct fuse *f)
 
struct fuse_context * fuse_get_context (void)
 
int fuse_getgroups (int size, gid_t list[])
 
int fuse_interrupted (void)
 
int fuse_invalidate (struct fuse *f, const char *path)
 
int fuse_main_real (int argc, char *argv[], const struct fuse_operations *op, size_t op_size, void *user_data)
 
int fuse_start_cleanup_thread (struct fuse *fuse)
 
void fuse_stop_cleanup_thread (struct fuse *fuse)
 
int fuse_clean_cache (struct fuse *fuse)
 
struct fuse_fs * fuse_fs_new (const struct fuse_operations *op, size_t op_size, void *user_data)
 
void fuse_register_module (struct fuse_module *mod)
 
struct fuse * fuse_setup (int argc, char *argv[], const struct fuse_operations *op, size_t op_size, char **mountpoint, int *multithreaded, void *user_data)
 
void fuse_teardown (struct fuse *fuse, char *mountpoint)
 
struct fuse_cmd * fuse_read_cmd (struct fuse *f)
 
void fuse_process_cmd (struct fuse *f, struct fuse_cmd *cmd)
 
int fuse_loop_mt_proc (struct fuse *f, fuse_processor_t proc, void *data)
 
int fuse_exited (struct fuse *f)
 
void fuse_set_getcontext_func (struct fuse_context *(*func)(void))
 
struct fuse_session * fuse_get_session (struct fuse *f)
 

Detailed Description

This file defines the library interface of FUSE

IMPORTANT: you should define FUSE_USE_VERSION before including this header. To use the newest API define it to 26 (recommended for any new application), to use the old API define it to 21 (default) 22 or 25, to use the even older 1.X API define it to 11.

Macro Definition Documentation

#define fuse_main (   argc,
  argv,
  op,
  user_data 
)    fuse_main_real(argc, argv, op, sizeof(*(op)), user_data)

Main function of FUSE.

This is for the lazy. This is all that has to be called from the main() function.

This function does the following:

  • parses command line options (-d -s and -h)
  • passes relevant mount options to the fuse_mount()
  • installs signal handlers for INT, HUP, TERM and PIPE
  • registers an exit handler to unmount the filesystem on program exit
  • creates a fuse handle
  • registers the operations
  • calls either the single-threaded or the multi-threaded event loop

Note: this is currently implemented as a macro.

Parameters
argcthe argument counter passed to the main() function
argvthe argument vector passed to the main() function
opthe file system operation
user_datauser data supplied in the context during the init() method
Returns
0 on success, nonzero on failure
#define fuse_main   fuse_main_compat2

Main function of FUSE.

This is for the lazy. This is all that has to be called from the main() function.

This function does the following:

  • parses command line options (-d -s and -h)
  • passes relevant mount options to the fuse_mount()
  • installs signal handlers for INT, HUP, TERM and PIPE
  • registers an exit handler to unmount the filesystem on program exit
  • creates a fuse handle
  • registers the operations
  • calls either the single-threaded or the multi-threaded event loop

Note: this is currently implemented as a macro.

Parameters
argcthe argument counter passed to the main() function
argvthe argument vector passed to the main() function
opthe file system operation
user_datauser data supplied in the context during the init() method
Returns
0 on success, nonzero on failure
#define FUSE_REGISTER_MODULE (   name_,
  factory_ 
)
Value:
static __attribute__((constructor)) void name_ ## _register(void) \
{ \
static struct fuse_module mod = \
{ #name_, factory_, NULL, NULL, 0 }; \
fuse_register_module(&mod); \
}

Register filesystem module

For the parameters, see description of the fields in 'struct fuse_module'

Typedef Documentation

typedef int(* fuse_fill_dir_t)(void *buf, const char *name, const struct stat *stbuf, off_t off)

Function to add an entry in a readdir() operation

Parameters
bufthe buffer passed to the readdir() operation
namethe file name of the directory entry
statfile attributes, can be NULL
offoffset of the next entry or zero
Returns
1 if buffer is full, zero otherwise
typedef void(* fuse_processor_t)(struct fuse *, struct fuse_cmd *, void *)

Function type used to process commands

Function Documentation

int fuse_clean_cache ( struct fuse *  fuse)

Iterate over cache removing stale entries use in conjunction with "-oremember"

NOTE: This is already done for the standard sessions

Parameters
fusestruct fuse pointer for fuse instance
Returns
the number of seconds until the next cleanup
void fuse_destroy ( struct fuse *  f)

Destroy the FUSE handle.

The communication channel attached to the handle is also destroyed.

NOTE: This function does not unmount the filesystem. If this is needed, call fuse_unmount() before calling this function.

Parameters
fthe FUSE handle
void fuse_exit ( struct fuse *  f)

Exit from event loop

Parameters
fthe FUSE handle
int fuse_exited ( struct fuse *  f)

Return the exited flag, which indicates if fuse_exit() has been called

struct fuse_fs* fuse_fs_new ( const struct fuse_operations *  op,
size_t  op_size,
void *  user_data 
)

Create a new fuse filesystem object

This is usually called from the factory of a fuse module to create a new instance of a filesystem.

Parameters
opthe filesystem operations
op_sizethe size of the fuse_operations structure
user_datauser data supplied in the context during the init() method
Returns
a new filesystem object
struct fuse_context* fuse_get_context ( void  )

Get the current context

The context is only valid for the duration of a filesystem operation, and thus must not be stored and used later.

Returns
the context
struct fuse_session* fuse_get_session ( struct fuse *  f)

Get session from fuse object

int fuse_getgroups ( int  size,
gid_t  list[] 
)

Get the current supplementary group IDs for the current request

Similar to the getgroups(2) system call, except the return value is always the total number of group IDs, even if it is larger than the specified size.

The current fuse kernel module in linux (as of 2.6.30) doesn't pass the group list to userspace, hence this function needs to parse "/proc/$TID/task/$TID/status" to get the group IDs.

This feature may not be supported on all operating systems. In such a case this function will return -ENOSYS.

Parameters
sizesize of given array
listarray of group IDs to be filled in
Returns
the total number of supplementary group IDs or -errno on failure
int fuse_interrupted ( void  )

Check if the current request has already been interrupted

Returns
1 if the request has been interrupted, 0 otherwise
int fuse_invalidate ( struct fuse *  f,
const char *  path 
)

Obsolete, doesn't do anything

Returns
-EINVAL
int fuse_loop ( struct fuse *  f)

FUSE event loop.

Requests from the kernel are processed, and the appropriate operations are called.

Parameters
fthe FUSE handle
Returns
0 if no error occurred, -1 otherwise
int fuse_loop_mt ( struct fuse *  f)

FUSE event loop with multiple threads

Requests from the kernel are processed, and the appropriate operations are called. Request are processed in parallel by distributing them between multiple threads.

Calling this function requires the pthreads library to be linked to the application.

Parameters
fthe FUSE handle
Returns
0 if no error occurred, -1 otherwise
int fuse_loop_mt_proc ( struct fuse *  f,
fuse_processor_t  proc,
void *  data 
)

Multi threaded event loop, which calls the custom command processor function

int fuse_main_real ( int  argc,
char *  argv[],
const struct fuse_operations *  op,
size_t  op_size,
void *  user_data 
)

The real main function

Do not call this directly, use fuse_main()

struct fuse* fuse_new ( struct fuse_chan *  ch,
struct fuse_args *  args,
const struct fuse_operations *  op,
size_t  op_size,
void *  user_data 
)

Create a new FUSE filesystem.

Parameters
chthe communication channel
argsargument vector
opthe filesystem operations
op_sizethe size of the fuse_operations structure
user_datauser data supplied in the context during the init() method
Returns
the created FUSE handle
void fuse_process_cmd ( struct fuse *  f,
struct fuse_cmd *  cmd 
)

Process a single command

struct fuse_cmd* fuse_read_cmd ( struct fuse *  f)

Read a single command. If none are read, return NULL

void fuse_register_module ( struct fuse_module *  mod)

Register a filesystem module

This function is used by FUSE_REGISTER_MODULE and there's usually no need to call it directly

void fuse_set_getcontext_func ( struct fuse_context *(*)(void)  func)

This function is obsolete and implemented as a no-op

struct fuse* fuse_setup ( int  argc,
char *  argv[],
const struct fuse_operations *  op,
size_t  op_size,
char **  mountpoint,
int *  multithreaded,
void *  user_data 
)

This is the part of fuse_main() before the event loop

int fuse_start_cleanup_thread ( struct fuse *  fuse)

Start the cleanup thread when using option "remember".

This is done automatically by fuse_loop_mt()

Parameters
fusestruct fuse pointer for fuse instance
Returns
0 on success and -1 on error
void fuse_stop_cleanup_thread ( struct fuse *  fuse)

Stop the cleanup thread when using option "remember".

This is done automatically by fuse_loop_mt()

Parameters
fusestruct fuse pointer for fuse instance
void fuse_teardown ( struct fuse *  fuse,
char *  mountpoint 
)

This is the part of fuse_main() after the event loop

Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/ftv2mlastnode.png0000664000175000017500000000036612707431656014445 00000000000000‰PNG  IHDRɪ|½IDATxíÝ!NAÅñ¤‡à\ ÷à Um@`Ô5iÒ`ëh ‚ÅW7] b§ÝˆŠ&oföÍd¾YÔ4 üšcø ‡€´‹Åòù3v=¼]†§µ\B… I¿‹=B·™B¡®;¸k´µ W°ÍN@vyÍÑÖ4ãß÷]ÈâYìã§|M}]ÔÚx6a }ôdׇØYüú¨>¤||5?Ó>|žB"¡î'¡IEND®B`‚fuse-2.9.7/doc/html/structfuse__file__info.html0000664000175000017500000002402512707431670016546 00000000000000 fuse: fuse_file_info Struct Reference
Data Fields
fuse_file_info Struct Reference

#include <fuse_common.h>

Data Fields

int flags
 
unsigned long fh_old
 
int writepage
 
unsigned int direct_io: 1
 
unsigned int keep_cache: 1
 
unsigned int flush: 1
 
unsigned int nonseekable: 1
 
unsigned int padding: 27
 
uint64_t fh
 
uint64_t lock_owner
 

Detailed Description

Information about open files

Changed in version 2.5

Field Documentation

unsigned int fuse_file_info::direct_io

Can be filled in by open, to use direct I/O on this file. Introduced in version 2.4

uint64_t fuse_file_info::fh

File handle. May be filled in by filesystem in open(). Available in all other file operations

unsigned long fuse_file_info::fh_old

Old file handle, don't use

int fuse_file_info::flags

Open flags. Available in open() and release()

unsigned int fuse_file_info::flush

Indicates a flush operation. Set in flush operation, also maybe set in highlevel lock operation and lowlevel release operation. Introduced in version 2.6

unsigned int fuse_file_info::keep_cache

Can be filled in by open, to indicate, that cached file data need not be invalidated. Introduced in version 2.4

uint64_t fuse_file_info::lock_owner

Lock owner id. Available in locking operations and flush

unsigned int fuse_file_info::nonseekable

Can be filled in by open, to indicate that the file is not seekable. Introduced in version 2.8

unsigned int fuse_file_info::padding

Padding. Do not use

int fuse_file_info::writepage

In case of a write operation indicates if this was caused by a writepage

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/sync_on.png0000664000175000017500000000151512707431656013322 00000000000000‰PNG  IHDRàw=øIDATxíÝ_HTYÀñï8ã¤ó§i§4-g6ÆËÕ&kQ)¨Ô!Š0ÒURKÚ…„ê¡/»PEÁ>ìK-+KÁ²Ñ.Y”¾dEPaA‰ø°¥¶›ZSÓïÜ;3wºŠ–¯—߯gfîïœsçœWKÇñ.€ÉøD­¨a‘'¬âq_ôˆk¢ÀŒ ÀDŽøQ´ÄïC¨¶åñÏÿgÅ ñ 0„Y‚:qZ¦Á)~õâ€èLý0HVñ× žz-¿‰C“%¨g¦˜6€é8%Úõ¬ëwêÙUÏ¿˜ª³Ä }? ?€·3ÀÀž©Š À”K• @hà a±ðaÇæUe‹ sù~ë2²ì“&Ú&B*AÄljæºììi*˨,Ëçí»÷oÆ£T”,d[˜¼3-*ÁÀ…>å‡Ë çLÉŸçfk˜Ò éw#*AEjKUy>ûšËÉõ&{µ¢8—m5Ki¬ jjƒD*¿NŽÖigwÃ7Dª’mz骹úKÛ¾±ˆ¶M!æ¤ÍkÐ?šoý¬_åÓlXí#Ò~–¸¬ê×ÒÑXŠÓ‘ùRÙ*Eû‚ՂדðEÜ;6«e"Q(²Ù=–¿Ezæ5Kؼָ_ 1òzBªJë ±XŒì96åªjL^7{ùãJÑ÷1½i@%8'7M©_\Qœ#ÓUŒËñýÿyõ Wo Éx8¼s¥v¯ªì|×SnÜ q_m Ýé î>bèÕí[JX,½4[Tú{R£ë¼ôˆ¾þa€tÝjjzzÅ'ÅìȶiIžŽòwÏs ¡€—ÕKøõâC^ŽŒ˜Y­¨µÉ%6¨´êˆº]vÛðhâ½iWv–hôëê°Ò¨¾'æÌ‚·ñ|[ßìúÅ^€YrD=<ýDû]äÇ÷s€Ïõ‹8™ºCì? À ¨—t4õá©Ž¡Jã‡W‹É± îr¼cjMɘìx| šE©øNÔ‰œøA¢þ«–€Z¼ñ‡jó î#™§¢¢4gIEND®B`‚fuse-2.9.7/doc/html/structfuse__opt.html0000664000175000017500000001465212707431673015267 00000000000000 fuse: fuse_opt Struct Reference
Data Fields
fuse_opt Struct Reference

#include <fuse_opt.h>

Data Fields

const char * templ
 
unsigned long offset
 
int value
 

Detailed Description

Option description

This structure describes a single option, and action associated with it, in case it matches.

More than one such match may occur, in which case the action for each match is executed.

There are three possible actions in case of a match:

i) An integer (int or unsigned) variable determined by 'offset' is set to 'value'

ii) The processing function is called, with 'value' as the key

iii) An integer (any) or string (char *) variable determined by 'offset' is set to the value of an option parameter

'offset' should normally be either set to

  • 'offsetof(struct foo, member)' actions i) and iii)
  • -1 action ii)

The 'offsetof()' macro is defined in the <stddef.h> header.

The template determines which options match, and also have an effect on the action. Normally the action is either i) or ii), but if a format is present in the template, then action iii) is performed.

The types of templates are:

1) "-x", "-foo", "--foo", "--foo-bar", etc. These match only themselves. Invalid values are "--" and anything beginning with "-o"

2) "foo", "foo-bar", etc. These match "-ofoo", "-ofoo-bar" or the relevant option in a comma separated option list

3) "bar=", "--foo=", etc. These are variations of 1) and 2) which have a parameter

4) "bar=%s", "--foo=%lu", etc. Same matching as above but perform action iii).

5) "-x ", etc. Matches either "-xparam" or "-x param" as two separate arguments

6) "-x %s", etc. Combination of 4) and 5)

If the format is "%s", memory is allocated for the string unlike with scanf().

Field Documentation

unsigned long fuse_opt::offset

Offset of variable within 'data' parameter of fuse_opt_parse() or -1

const char* fuse_opt::templ

Matching template and optional parameter formatting

int fuse_opt::value

Value to set the variable to, or to be passed as 'key' to the processing function. Ignored if template has a format

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/fuse__common_8h.html0000664000175000017500000007057712707431662015115 00000000000000 fuse: include/fuse_common.h File Reference
Data Structures | Macros | Enumerations | Functions
fuse_common.h File Reference
#include "fuse_opt.h"
#include <stdint.h>
#include <sys/types.h>
#include "fuse_common_compat.h"

Data Structures

struct  fuse_file_info
 
struct  fuse_conn_info
 
struct  fuse_buf
 
struct  fuse_bufvec
 

Macros

#define FUSE_MAJOR_VERSION   2
 
#define FUSE_MINOR_VERSION   9
 
#define FUSE_CAP_ASYNC_READ   (1 << 0)
 
#define FUSE_IOCTL_COMPAT   (1 << 0)
 

Enumerations

enum  fuse_buf_flags { FUSE_BUF_IS_FD = (1 << 1), FUSE_BUF_FD_SEEK = (1 << 2), FUSE_BUF_FD_RETRY = (1 << 3) }
 
enum  fuse_buf_copy_flags { FUSE_BUF_NO_SPLICE = (1 << 1), FUSE_BUF_FORCE_SPLICE = (1 << 2), FUSE_BUF_SPLICE_MOVE = (1 << 3), FUSE_BUF_SPLICE_NONBLOCK = (1 << 4) }
 

Functions

struct fuse_chan * fuse_mount (const char *mountpoint, struct fuse_args *args)
 
void fuse_unmount (const char *mountpoint, struct fuse_chan *ch)
 
int fuse_parse_cmdline (struct fuse_args *args, char **mountpoint, int *multithreaded, int *foreground)
 
int fuse_daemonize (int foreground)
 
int fuse_version (void)
 
void fuse_pollhandle_destroy (struct fuse_pollhandle *ph)
 
size_t fuse_buf_size (const struct fuse_bufvec *bufv)
 
ssize_t fuse_buf_copy (struct fuse_bufvec *dst, struct fuse_bufvec *src, enum fuse_buf_copy_flags flags)
 
int fuse_set_signal_handlers (struct fuse_session *se)
 
void fuse_remove_signal_handlers (struct fuse_session *se)
 

Macro Definition Documentation

#define FUSE_CAP_ASYNC_READ   (1 << 0)

Capability bits for 'fuse_conn_info.capable' and 'fuse_conn_info.want'

FUSE_CAP_ASYNC_READ: filesystem supports asynchronous read requests FUSE_CAP_POSIX_LOCKS: filesystem supports "remote" locking FUSE_CAP_ATOMIC_O_TRUNC: filesystem handles the O_TRUNC open flag FUSE_CAP_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." FUSE_CAP_BIG_WRITES: filesystem can handle write size larger than 4kB FUSE_CAP_DONT_MASK: don't apply umask to file mode on create operations FUSE_CAP_SPLICE_WRITE: ability to use splice() to write to the fuse device FUSE_CAP_SPLICE_MOVE: ability to move data to the fuse device with splice() FUSE_CAP_SPLICE_READ: ability to use splice() to read from the fuse device FUSE_CAP_IOCTL_DIR: ioctl support on directories

#define FUSE_IOCTL_COMPAT   (1 << 0)

Ioctl flags

FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed FUSE_IOCTL_RETRY: retry with new iovecs FUSE_IOCTL_DIR: is a directory

FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs

#define FUSE_MAJOR_VERSION   2

Major version of FUSE library interface

#define FUSE_MINOR_VERSION   9

Minor version of FUSE library interface

Enumeration Type Documentation

enum fuse_buf_copy_flags

Buffer copy flags

Enumerator
FUSE_BUF_NO_SPLICE 

Don't use splice(2)

Always fall back to using read and write instead of splice(2) to copy data from one file descriptor to another.

If this flag is not set, then only fall back if splice is unavailable.

FUSE_BUF_FORCE_SPLICE 

Force splice

Always use splice(2) to copy data from one file descriptor to another. If splice is not available, return -EINVAL.

FUSE_BUF_SPLICE_MOVE 

Try to move data with splice.

If splice is used, try to move pages from the source to the destination instead of copying. See documentation of SPLICE_F_MOVE in splice(2) man page.

FUSE_BUF_SPLICE_NONBLOCK 

Don't block on the pipe when copying data with splice

Makes the operations on the pipe non-blocking (if the pipe is full or empty). See SPLICE_F_NONBLOCK in the splice(2) man page.

enum fuse_buf_flags

Buffer flags

Enumerator
FUSE_BUF_IS_FD 

Buffer contains a file descriptor

If this flag is set, the .fd field is valid, otherwise the .mem fields is valid.

FUSE_BUF_FD_SEEK 

Seek on the file descriptor

If this flag is set then the .pos field is valid and is used to seek to the given offset before performing operation on file descriptor.

FUSE_BUF_FD_RETRY 

Retry operation on file descriptor

If this flag is set then retry operation on file descriptor until .size bytes have been copied or an error or EOF is detected.

Function Documentation

ssize_t fuse_buf_copy ( struct fuse_bufvec *  dst,
struct fuse_bufvec *  src,
enum fuse_buf_copy_flags  flags 
)

Copy data from one buffer vector to another

Parameters
dstdestination buffer vector
srcsource buffer vector
flagsflags controlling the copy
Returns
actual number of bytes copied or -errno on error
size_t fuse_buf_size ( const struct fuse_bufvec *  bufv)

Get total size of data in a fuse buffer vector

Parameters
bufvbuffer vector
Returns
size of data
int fuse_daemonize ( int  foreground)

Go into the background

Parameters
foregroundif true, stay in the foreground
Returns
0 on success, -1 on failure
struct fuse_chan* fuse_mount ( const char *  mountpoint,
struct fuse_args *  args 
)

Create a FUSE mountpoint

Returns a control file descriptor suitable for passing to fuse_new()

Parameters
mountpointthe mount point path
argsargument vector
Returns
the communication channel on success, NULL on failure
int fuse_parse_cmdline ( struct fuse_args *  args,
char **  mountpoint,
int *  multithreaded,
int *  foreground 
)

Parse common options

The following options are parsed:

'-f' foreground '-d' '-odebug' foreground, but keep the debug option '-s' single threaded '-h' '–help' help '-ho' help without header '-ofsname=..' file system name, if not present, then set to the program name

All parameters may be NULL

Parameters
argsargument vector
mountpointthe returned mountpoint, should be freed after use
multithreadedset to 1 unless the '-s' option is present
foregroundset to 1 if one of the relevant options is present
Returns
0 on success, -1 on failure
void fuse_pollhandle_destroy ( struct fuse_pollhandle *  ph)

Destroy poll handle

Parameters
phthe poll handle
void fuse_remove_signal_handlers ( struct fuse_session *  se)

Restore default signal handlers

Resets global session. After this fuse_set_signal_handlers() may be called again.

Parameters
sethe same session as given in fuse_set_signal_handlers()
int fuse_set_signal_handlers ( struct fuse_session *  se)

Exit session on HUP, TERM and INT signals and ignore PIPE signal

Stores session in a global variable. May only be called once per process until fuse_remove_signal_handlers() is called.

Parameters
sethe session to exit
Returns
0 on success, -1 on failure
void fuse_unmount ( const char *  mountpoint,
struct fuse_chan *  ch 
)

Umount a FUSE mountpoint

Parameters
mountpointthe mount point path
chthe communication channel
int fuse_version ( void  )

Get the version of the library

Returns
the version
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/classes.html0000664000175000017500000000764512707431662013476 00000000000000 fuse: Data Structure Index
Data Structure Index
F
  f  
fuse_bufvec   fuse_ctx   fuse_module   
fuse_chan_ops   fuse_entry_param   fuse_operations   
fuse_args   fuse_conn_info   fuse_file_info   fuse_opt   
fuse_buf   fuse_context   fuse_lowlevel_ops   fuse_session_ops   
F
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/ftv2blank.png0000664000175000017500000000012612707431656013540 00000000000000‰PNG  IHDRɪ|IDATxíݱðøScOx@ –¨y}IEND®B`‚fuse-2.9.7/doc/html/ftv2vertline.png0000664000175000017500000000012612707431656014301 00000000000000‰PNG  IHDRɪ|IDATxíݱðøScOx@ –¨y}IEND®B`‚fuse-2.9.7/doc/html/fuse__opt_8h.html0000664000175000017500000006146012707431663014417 00000000000000 fuse: include/fuse_opt.h File Reference
Data Structures | Macros | Typedefs | Functions
fuse_opt.h File Reference

Data Structures

struct  fuse_opt
 
struct  fuse_args
 

Macros

#define FUSE_OPT_KEY(templ, key)   { templ, -1U, key }
 
#define FUSE_OPT_END   { NULL, 0, 0 }
 
#define FUSE_ARGS_INIT(argc, argv)   { argc, argv, 0 }
 
#define FUSE_OPT_KEY_OPT   -1
 
#define FUSE_OPT_KEY_NONOPT   -2
 
#define FUSE_OPT_KEY_KEEP   -3
 
#define FUSE_OPT_KEY_DISCARD   -4
 

Typedefs

typedef int(* fuse_opt_proc_t )(void *data, const char *arg, int key, struct fuse_args *outargs)
 

Functions

int fuse_opt_parse (struct fuse_args *args, void *data, const struct fuse_opt opts[], fuse_opt_proc_t proc)
 
int fuse_opt_add_opt (char **opts, const char *opt)
 
int fuse_opt_add_opt_escaped (char **opts, const char *opt)
 
int fuse_opt_add_arg (struct fuse_args *args, const char *arg)
 
int fuse_opt_insert_arg (struct fuse_args *args, int pos, const char *arg)
 
void fuse_opt_free_args (struct fuse_args *args)
 
int fuse_opt_match (const struct fuse_opt opts[], const char *opt)
 

Detailed Description

This file defines the option parsing interface of FUSE

Macro Definition Documentation

#define FUSE_ARGS_INIT (   argc,
  argv 
)    { argc, argv, 0 }

Initializer for 'struct fuse_args'

#define FUSE_OPT_END   { NULL, 0, 0 }

Last option. An array of 'struct fuse_opt' must end with a NULL template value

#define FUSE_OPT_KEY (   templ,
  key 
)    { templ, -1U, key }

Key option. In case of a match, the processing function will be called with the specified key.

#define FUSE_OPT_KEY_DISCARD   -4

Special key value for options to discard

Argument is not passed to processing function, but behave as if the processing function returned zero

#define FUSE_OPT_KEY_KEEP   -3

Special key value for options to keep

Argument is not passed to processing function, but behave as if the processing function returned 1

#define FUSE_OPT_KEY_NONOPT   -2

Key value passed to the processing function for all non-options

Non-options are the arguments beginning with a character other than '-' or all arguments after the special '–' option

#define FUSE_OPT_KEY_OPT   -1

Key value passed to the processing function if an option did not match any template

Typedef Documentation

typedef int(* fuse_opt_proc_t)(void *data, const char *arg, int key, struct fuse_args *outargs)

Processing function

This function is called if

  • option did not match any 'struct fuse_opt'
  • argument is a non-option
  • option did match and offset was set to -1

The 'arg' parameter will always contain the whole argument or option including the parameter if exists. A two-argument option ("-x foo") is always converted to single argument option of the form "-xfoo" before this function is called.

Options of the form '-ofoo' are passed to this function without the '-o' prefix.

The return value of this function determines whether this argument is to be inserted into the output argument vector, or discarded.

Parameters
datais the user data passed to the fuse_opt_parse() function
argis the whole argument or option
keydetermines why the processing function was called
outargsthe current output argument list
Returns
-1 on error, 0 if arg is to be discarded, 1 if arg should be kept

Function Documentation

int fuse_opt_add_arg ( struct fuse_args *  args,
const char *  arg 
)

Add an argument to a NULL terminated argument vector

Parameters
argsis the structure containing the current argument list
argis the new argument to add
Returns
-1 on allocation error, 0 on success
int fuse_opt_add_opt ( char **  opts,
const char *  opt 
)

Add an option to a comma separated option list

Parameters
optsis a pointer to an option list, may point to a NULL value
optis the option to add
Returns
-1 on allocation error, 0 on success
int fuse_opt_add_opt_escaped ( char **  opts,
const char *  opt 
)

Add an option, escaping commas, to a comma separated option list

Parameters
optsis a pointer to an option list, may point to a NULL value
optis the option to add
Returns
-1 on allocation error, 0 on success
void fuse_opt_free_args ( struct fuse_args *  args)

Free the contents of argument list

The structure itself is not freed

Parameters
argsis the structure containing the argument list
int fuse_opt_insert_arg ( struct fuse_args *  args,
int  pos,
const char *  arg 
)

Add an argument at the specified position in a NULL terminated argument vector

Adds the argument to the N-th position. This is useful for adding options at the beginning of the array which must not come after the special '–' option.

Parameters
argsis the structure containing the current argument list
posis the position at which to add the argument
argis the new argument to add
Returns
-1 on allocation error, 0 on success
int fuse_opt_match ( const struct fuse_opt  opts[],
const char *  opt 
)

Check if an option matches

Parameters
optsis the option description array
optis the option to match
Returns
1 if a match is found, 0 if not
int fuse_opt_parse ( struct fuse_args *  args,
void *  data,
const struct fuse_opt  opts[],
fuse_opt_proc_t  proc 
)

Option parsing function

If 'args' was returned from a previous call to fuse_opt_parse() or it was constructed from

A NULL 'args' is equivalent to an empty argument vector

A NULL 'opts' is equivalent to an 'opts' array containing a single end marker

A NULL 'proc' is equivalent to a processing function always returning '1'

Parameters
argsis the input and output argument list
datais the user data
optsis the option description array
procis the processing function
Returns
-1 on error, 0 on success
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/sync_off.png0000664000175000017500000000152512707431656013461 00000000000000‰PNG  IHDRàw=øIDATxíÝKhTWÀñÿä1I&3™8M¦Iš™†I3Ú©b$cÌ I1V1±-(Tö±±Ð.* t!‚K[¥Ä¥ˆ„¨´f£`l(øl©"Y”¤6ÆgÌTú}·sgîܹ ±d{8?æ̹÷;çÜuíÚ`:!±F¬¢BäŠ?Å°Äm'yÊÅ>ÑlU¯½üý‰è_‹?€Œê ]€Y(ŠNñ±8fý1°Öqún-eâ¨øtºmâÈ Ó0}b›ù%·©µ×Œ®=Ÿ0´³?Š1sŸ‹0€¯8À‘;_ ‹W|%\ Zð— >舽ln¨p©.aÇ{ )t;Ú b nŸš¯›65°¢¡2çÅÔ?Žž>Oдàuönm¤¢Ì`×­Z¬WjC~>‘Ö¾0+á {{©fÝ×Mæ·æÅ•ìÙ¼˜` Ý›%uA6´½ÅÆö¨Á,]k¢ÄW¼™u±›]‹ˆ7§¯iòh€ ¶¶¬ÏÖu1 ló —Ҷ̺–:ÞÍ\ÄcãÏxøhR²Êè‡Qt$¿ß§¨ ª fdºü<4BÿÙ[•f¸d7=.Mé9/—éªÃëù/ÿO Üaàò}€,‘j?Ÿõ.5Úšm?œÿŸ®ŽXÿ2¬#¸d píæ(£?cÛú¼!½›a1¥Þ—ŽòØ©ܾ7dÔK:‚ùÒ‰ì)Ê3‚Ü™àÌà]€,±H€µ+køöäu<|`·LhC7¹ÔeÍ Ÿ×Ÿ˜tÜ‹ óH$^2%l.êaeÐäýE”ÌÉ|ÅÜìî‰Ýsä }¸ýDû^hzé~ðR›¦Ã¡¿]|#ü¯@×—Ö‡[k¹–<|š(Ç*€Ý¹dÇtMé:Ýñø«Ø,êÅû¢]”' øXÓ_nò¡Æ|Øý /c§fžâOIEND®B`‚fuse-2.9.7/doc/html/ftv2splitbar.png0000664000175000017500000000047212707431656014275 00000000000000‰PNG  IHDRM¸¿IDATxíÝ¡JCa‡ñç(˜ ëƒ%±Ø4 b±È˜Í¶3˜v^Á±˜…ãó–ŽELƒõ…¥•³ ,ÿb;íç{Ã/¼ðÞÀaYÕ¯åóøq:¼º¹›\òIIIIIIIIIIIIIIIIII-Òçl¹›«õ抢è_t/Ï»ã£ÑíYQVõðêäíã÷´×ùY¬Úÿµ§¦ivók¾_íåýÛ£I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$I@$ýC[Vì=ü[„fÆIEND®B`‚fuse-2.9.7/doc/html/closed.png0000664000175000017500000000020412707431656013115 00000000000000‰PNG  IHDR à‘KIDATxíÝm @!†ÑGk™É7À-`&séts¦Àñþòð@åk}ª2€… P%Á_Ëþ¿N² .:0Dk¥‹Â›x" Ö›)¡xÒ5õIEND®B`‚fuse-2.9.7/doc/html/nav_h.png0000664000175000017500000000014212707431656012740 00000000000000‰PNG  IHDR ,é@)IDATxíÝA @BQ­³šÛ›Ð¢Žáà) )ëý éaÅèÜ¿Æo‡RlÐßIEND®B`‚fuse-2.9.7/doc/html/globals_type.html0000664000175000017500000000577512707431663014530 00000000000000 fuse: Globals
 
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
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fuse-2.9.7/doc/html/dir_3ccffc210a036acba650f09ebe71329d.html0000664000175000017500000000452012707431662017437 00000000000000 fuse: include/old Directory Reference
old Directory Reference

Files

file  fuse.h
 
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/ftv2doc.png0000664000175000017500000000135212707431656013220 00000000000000‰PNG  IHDRÚ}\ˆ±IDATxíMOS[…Ÿžsúa?-XZ(PD4‚ AWbu`b 77wäHFÆCËÔÂÿà/`vo„ˆAPòq‹P @ ­ûÝè980 îà¤+»§Ýy×^ïZï9SW¹\83g‰3'°Nâçl¹¸_b¯p ïåûÆVÜÖ¡€Ÿ×"¬Ö†X€d]Ðà3“ÉÃÄÌ™xŸ ßMàœ[<çSPkvc—hÈ'…™˜^Åm™hØ7 `Û™¦ èÀåráq›‘œ¾!daeKŸþÆÕ˜:Ì*³_דâèi?I–eP*B7Ÿ¿åô!¹Ýgr6Ër6oKbëþãðôrI”ËTˆüªŒ¨xóö=›ù¢&‰(e+ßóÄkýÇ`ëÁÜb.“¸ÐW×w0¥°jÑzN™¬|©WEãµ¢a¯6[öX†AkÓù*/œ¨‰€ÉY­ ÿV’§–u²jÂ>1W *½·°PGŽzÿ¨/Eg{ ŸÇâaoŠÁVú:è¿™¤1$ôR§W,–ªà¨@ŠË56¾ÀÔÜ-¾,mê¸Î/æè¹– òr5¥T*S(Vf8ö9u’ Õ£w›ùóa=Í<{Ò¡UŒ÷r¯+ÉådDÏF$è°…£é¿`zþ»ÎúöN‘µÜ®0Q3£~_^Ëóâ¯N=ˆvpTà±LžT}ˆîkq†Òm<¼ÎÓ?Zh¿X£ï_þÝ¥[)ƒ `gêÃa_Ô*äÔ2`'=õ´Fÿ2EâÁPú ÷»›l=8‹Wv°%THqÉ¿<"¤ïG¾ÆxH{#ÆÖ«aÔJÕÞ‡—m‹„ çñKsÿàñVŠØ¡°·MâÒ^ TÁ– Ý›r¥ß½ømüÿ_™?ªWÄ°÷#uIEND®B`‚fuse-2.9.7/doc/html/structfuse__conn__info.html0000664000175000017500000002354212707431665016573 00000000000000 fuse: fuse_conn_info Struct Reference
Data Fields
fuse_conn_info Struct Reference

#include <fuse_common.h>

Data Fields

unsigned proto_major
 
unsigned proto_minor
 
unsigned async_read
 
unsigned max_write
 
unsigned max_readahead
 
unsigned capable
 
unsigned want
 
unsigned max_background
 
unsigned congestion_threshold
 
unsigned reserved [23]
 

Detailed Description

Connection information, passed to the ->init() method

Some of the elements are read-write, these can be changed to indicate the value requested by the filesystem. The requested value must usually be smaller than the indicated value.

Field Documentation

unsigned fuse_conn_info::async_read

Is asynchronous read supported (read-write)

unsigned fuse_conn_info::capable

Capability flags, that the kernel supports

unsigned fuse_conn_info::congestion_threshold

Kernel congestion threshold parameter

unsigned fuse_conn_info::max_background

Maximum number of backgrounded requests

unsigned fuse_conn_info::max_readahead

Maximum readahead

unsigned fuse_conn_info::max_write

Maximum size of the write buffer

unsigned fuse_conn_info::proto_major

Major version of the protocol (read-only)

unsigned fuse_conn_info::proto_minor

Minor version of the protocol (read-only)

unsigned fuse_conn_info::reserved[23]

For future use.

unsigned fuse_conn_info::want

Capability flags, that the filesystem wants to enable

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
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Data Structures | Macros | Typedefs | Functions
fuse_lowlevel.h File Reference
#include "fuse_common.h"
#include <utime.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <sys/uio.h>
#include "fuse_lowlevel_compat.h"

Data Structures

struct  fuse_entry_param
 
struct  fuse_ctx
 
struct  fuse_lowlevel_ops
 
struct  fuse_session_ops
 
struct  fuse_chan_ops
 

Macros

#define FUSE_ROOT_ID   1
 

Typedefs

typedef unsigned long fuse_ino_t
 
typedef struct fuse_req * fuse_req_t
 
typedef void(* fuse_interrupt_func_t )(fuse_req_t req, void *data)
 

Functions

int fuse_reply_err (fuse_req_t req, int err)
 
void fuse_reply_none (fuse_req_t req)
 
int fuse_reply_entry (fuse_req_t req, const struct fuse_entry_param *e)
 
int fuse_reply_create (fuse_req_t req, const struct fuse_entry_param *e, const struct fuse_file_info *fi)
 
int fuse_reply_attr (fuse_req_t req, const struct stat *attr, double attr_timeout)
 
int fuse_reply_readlink (fuse_req_t req, const char *link)
 
int fuse_reply_open (fuse_req_t req, const struct fuse_file_info *fi)
 
int fuse_reply_write (fuse_req_t req, size_t count)
 
int fuse_reply_buf (fuse_req_t req, const char *buf, size_t size)
 
int fuse_reply_data (fuse_req_t req, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags)
 
int fuse_reply_iov (fuse_req_t req, const struct iovec *iov, int count)
 
int fuse_reply_statfs (fuse_req_t req, const struct statvfs *stbuf)
 
int fuse_reply_xattr (fuse_req_t req, size_t count)
 
int fuse_reply_lock (fuse_req_t req, const struct flock *lock)
 
int fuse_reply_bmap (fuse_req_t req, uint64_t idx)
 
size_t fuse_add_direntry (fuse_req_t req, char *buf, size_t bufsize, const char *name, const struct stat *stbuf, off_t off)
 
int fuse_reply_ioctl_retry (fuse_req_t req, const struct iovec *in_iov, size_t in_count, const struct iovec *out_iov, size_t out_count)
 
int fuse_reply_ioctl (fuse_req_t req, int result, const void *buf, size_t size)
 
int fuse_reply_ioctl_iov (fuse_req_t req, int result, const struct iovec *iov, int count)
 
int fuse_reply_poll (fuse_req_t req, unsigned revents)
 
int fuse_lowlevel_notify_poll (struct fuse_pollhandle *ph)
 
int fuse_lowlevel_notify_inval_inode (struct fuse_chan *ch, fuse_ino_t ino, off_t off, off_t len)
 
int fuse_lowlevel_notify_inval_entry (struct fuse_chan *ch, fuse_ino_t parent, const char *name, size_t namelen)
 
int fuse_lowlevel_notify_delete (struct fuse_chan *ch, fuse_ino_t parent, fuse_ino_t child, const char *name, size_t namelen)
 
int fuse_lowlevel_notify_store (struct fuse_chan *ch, fuse_ino_t ino, off_t offset, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags)
 
int fuse_lowlevel_notify_retrieve (struct fuse_chan *ch, fuse_ino_t ino, size_t size, off_t offset, void *cookie)
 
void * fuse_req_userdata (fuse_req_t req)
 
const struct fuse_ctx * fuse_req_ctx (fuse_req_t req)
 
int fuse_req_getgroups (fuse_req_t req, int size, gid_t list[])
 
void fuse_req_interrupt_func (fuse_req_t req, fuse_interrupt_func_t func, void *data)
 
int fuse_req_interrupted (fuse_req_t req)
 
struct fuse_session * fuse_lowlevel_new (struct fuse_args *args, const struct fuse_lowlevel_ops *op, size_t op_size, void *userdata)
 
struct fuse_session * fuse_session_new (struct fuse_session_ops *op, void *data)
 
void fuse_session_add_chan (struct fuse_session *se, struct fuse_chan *ch)
 
void fuse_session_remove_chan (struct fuse_chan *ch)
 
struct fuse_chan * fuse_session_next_chan (struct fuse_session *se, struct fuse_chan *ch)
 
void fuse_session_process (struct fuse_session *se, const char *buf, size_t len, struct fuse_chan *ch)
 
void fuse_session_process_buf (struct fuse_session *se, const struct fuse_buf *buf, struct fuse_chan *ch)
 
int fuse_session_receive_buf (struct fuse_session *se, struct fuse_buf *buf, struct fuse_chan **chp)
 
void fuse_session_destroy (struct fuse_session *se)
 
void fuse_session_exit (struct fuse_session *se)
 
void fuse_session_reset (struct fuse_session *se)
 
int fuse_session_exited (struct fuse_session *se)
 
void * fuse_session_data (struct fuse_session *se)
 
int fuse_session_loop (struct fuse_session *se)
 
int fuse_session_loop_mt (struct fuse_session *se)
 
struct fuse_chan * fuse_chan_new (struct fuse_chan_ops *op, int fd, size_t bufsize, void *data)
 
int fuse_chan_fd (struct fuse_chan *ch)
 
size_t fuse_chan_bufsize (struct fuse_chan *ch)
 
void * fuse_chan_data (struct fuse_chan *ch)
 
struct fuse_session * fuse_chan_session (struct fuse_chan *ch)
 
int fuse_chan_recv (struct fuse_chan **ch, char *buf, size_t size)
 
int fuse_chan_send (struct fuse_chan *ch, const struct iovec iov[], size_t count)
 
void fuse_chan_destroy (struct fuse_chan *ch)
 

Detailed Description

Low level API

IMPORTANT: you should define FUSE_USE_VERSION before including this header. To use the newest API define it to 26 (recommended for any new application), to use the old API define it to 24 (default) or 25

Macro Definition Documentation

#define FUSE_ROOT_ID   1

The node ID of the root inode

Typedef Documentation

typedef unsigned long fuse_ino_t

Inode number type

typedef void(* fuse_interrupt_func_t)(fuse_req_t req, void *data)

Callback function for an interrupt

Parameters
reqinterrupted request
datauser data
typedef struct fuse_req* fuse_req_t

Request pointer type

Function Documentation

size_t fuse_add_direntry ( fuse_req_t  req,
char *  buf,
size_t  bufsize,
const char *  name,
const struct stat *  stbuf,
off_t  off 
)

Add a directory entry to the buffer

Buffer needs to be large enough to hold the entry. If it's not, then the entry is not filled in but the size of the entry is still returned. The caller can check this by comparing the bufsize parameter with the returned entry size. If the entry size is larger than the buffer size, the operation failed.

From the 'stbuf' argument the st_ino field and bits 12-15 of the st_mode field are used. The other fields are ignored.

Note: offsets do not necessarily represent physical offsets, and could be any marker, that enables the implementation to find a specific point in the directory stream.

Parameters
reqrequest handle
bufthe point where the new entry will be added to the buffer
bufsizeremaining size of the buffer
namethe name of the entry
stbufthe file attributes
offthe offset of the next entry
Returns
the space needed for the entry
size_t fuse_chan_bufsize ( struct fuse_chan *  ch)

Query the minimal receive buffer size

Parameters
chthe channel
Returns
the buffer size passed to fuse_chan_new()
void* fuse_chan_data ( struct fuse_chan *  ch)

Query the user data

Parameters
chthe channel
Returns
the user data passed to fuse_chan_new()
void fuse_chan_destroy ( struct fuse_chan *  ch)

Destroy a channel

Parameters
chthe channel
int fuse_chan_fd ( struct fuse_chan *  ch)

Query the file descriptor of the channel

Parameters
chthe channel
Returns
the file descriptor passed to fuse_chan_new()
struct fuse_chan* fuse_chan_new ( struct fuse_chan_ops *  op,
int  fd,
size_t  bufsize,
void *  data 
)

Create a new channel

Parameters
opchannel operations
fdfile descriptor of the channel
bufsizethe minimal receive buffer size
datauser data
Returns
the new channel object, or NULL on failure
int fuse_chan_recv ( struct fuse_chan **  ch,
char *  buf,
size_t  size 
)

Receive a raw request

A return value of -ENODEV means, that the filesystem was unmounted

Parameters
chpointer to the channel
bufthe buffer to store the request in
sizethe size of the buffer
Returns
the actual size of the raw request, or -errno on error
int fuse_chan_send ( struct fuse_chan *  ch,
const struct iovec  iov[],
size_t  count 
)

Send a raw reply

A return value of -ENOENT means, that the request was interrupted, and the reply was discarded

Parameters
chthe channel
iovvector of blocks
countthe number of blocks in vector
Returns
zero on success, -errno on failure
struct fuse_session* fuse_chan_session ( struct fuse_chan *  ch)

Query the session to which this channel is assigned

Parameters
chthe channel
Returns
the session, or NULL if the channel is not assigned
struct fuse_session* fuse_lowlevel_new ( struct fuse_args *  args,
const struct fuse_lowlevel_ops *  op,
size_t  op_size,
void *  userdata 
)

Create a low level session

Parameters
argsargument vector
opthe low level filesystem operations
op_sizesizeof(struct fuse_lowlevel_ops)
userdatauser data
Returns
the created session object, or NULL on failure
int fuse_lowlevel_notify_delete ( struct fuse_chan *  ch,
fuse_ino_t  parent,
fuse_ino_t  child,
const char *  name,
size_t  namelen 
)

Notify to invalidate parent attributes and delete the dentry matching parent/name if the dentry's inode number matches child (otherwise it will invalidate the matching dentry).

To avoid a deadlock don't call this function from a filesystem operation and don't call it with a lock held that can also be held by a filesystem operation.

Parameters
chthe channel through which to send the notification
parentinode number
childinode number
namefile name
namelenstrlen() of file name
Returns
zero for success, -errno for failure
int fuse_lowlevel_notify_inval_entry ( struct fuse_chan *  ch,
fuse_ino_t  parent,
const char *  name,
size_t  namelen 
)

Notify to invalidate parent attributes and the dentry matching parent/name

To avoid a deadlock don't call this function from a filesystem operation and don't call it with a lock held that can also be held by a filesystem operation.

Parameters
chthe channel through which to send the invalidation
parentinode number
namefile name
namelenstrlen() of file name
Returns
zero for success, -errno for failure
int fuse_lowlevel_notify_inval_inode ( struct fuse_chan *  ch,
fuse_ino_t  ino,
off_t  off,
off_t  len 
)

Notify to invalidate cache for an inode

Parameters
chthe channel through which to send the invalidation
inothe inode number
offthe offset in the inode where to start invalidating or negative to invalidate attributes only
lenthe amount of cache to invalidate or 0 for all
Returns
zero for success, -errno for failure
int fuse_lowlevel_notify_poll ( struct fuse_pollhandle *  ph)

Notify IO readiness event

For more information, please read comment for poll operation.

Parameters
phpoll handle to notify IO readiness event for
int fuse_lowlevel_notify_retrieve ( struct fuse_chan *  ch,
fuse_ino_t  ino,
size_t  size,
off_t  offset,
void *  cookie 
)

Retrieve data from the kernel buffers

Retrieve data in the kernel buffers belonging to the given inode. If successful then the retrieve_reply() method will be called with the returned data.

Only present pages are returned in the retrieve reply. Retrieving stops when it finds a non-present page and only data prior to that is returned.

If this function returns an error, then the retrieve will not be completed and no reply will be sent.

This function doesn't change the dirty state of pages in the kernel buffer. For dirty pages the write() method will be called regardless of having been retrieved previously.

Parameters
chthe channel through which to send the invalidation
inothe inode number
sizethe number of bytes to retrieve
offsetthe starting offset into the file to retrieve from
cookieuser data to supply to the reply callback
Returns
zero for success, -errno for failure
int fuse_lowlevel_notify_store ( struct fuse_chan *  ch,
fuse_ino_t  ino,
off_t  offset,
struct fuse_bufvec *  bufv,
enum fuse_buf_copy_flags  flags 
)

Store data to the kernel buffers

Synchronously store data in the kernel buffers belonging to the given inode. The stored data is marked up-to-date (no read will be performed against it, unless it's invalidated or evicted from the cache).

If the stored data overflows the current file size, then the size is extended, similarly to a write(2) on the filesystem.

If this function returns an error, then the store wasn't fully completed, but it may have been partially completed.

Parameters
chthe channel through which to send the invalidation
inothe inode number
offsetthe starting offset into the file to store to
bufvbuffer vector
flagsflags controlling the copy
Returns
zero for success, -errno for failure
int fuse_reply_attr ( fuse_req_t  req,
const struct stat *  attr,
double  attr_timeout 
)

Reply with attributes

Possible requests: getattr, setattr

Parameters
reqrequest handle
attrthe attributes
attr_timeoutvalidity timeout (in seconds) for the attributes
Returns
zero for success, -errno for failure to send reply
int fuse_reply_bmap ( fuse_req_t  req,
uint64_t  idx 
)

Reply with block index

Possible requests: bmap

Parameters
reqrequest handle
idxblock index within device
Returns
zero for success, -errno for failure to send reply
int fuse_reply_buf ( fuse_req_t  req,
const char *  buf,
size_t  size 
)

Reply with data

Possible requests: read, readdir, getxattr, listxattr

Parameters
reqrequest handle
bufbuffer containing data
sizethe size of data in bytes
Returns
zero for success, -errno for failure to send reply
int fuse_reply_create ( fuse_req_t  req,
const struct fuse_entry_param *  e,
const struct fuse_file_info *  fi 
)

Reply with a directory entry and open parameters

currently the following members of 'fi' are used: fh, direct_io, keep_cache

Possible requests: create

Side effects: increments the lookup count on success

Parameters
reqrequest handle
ethe entry parameters
fifile information
Returns
zero for success, -errno for failure to send reply
int fuse_reply_data ( fuse_req_t  req,
struct fuse_bufvec *  bufv,
enum fuse_buf_copy_flags  flags 
)

Reply with data copied/moved from buffer(s)

Possible requests: read, readdir, getxattr, listxattr

Parameters
reqrequest handle
bufvbuffer vector
flagsflags controlling the copy
Returns
zero for success, -errno for failure to send reply
int fuse_reply_entry ( fuse_req_t  req,
const struct fuse_entry_param *  e 
)

Reply with a directory entry

Possible requests: lookup, mknod, mkdir, symlink, link

Side effects: increments the lookup count on success

Parameters
reqrequest handle
ethe entry parameters
Returns
zero for success, -errno for failure to send reply
int fuse_reply_err ( fuse_req_t  req,
int  err 
)

Reply with an error code or success

Possible requests: all except forget

unlink, rmdir, rename, flush, release, fsync, fsyncdir, setxattr, removexattr and setlk may send a zero code

Parameters
reqrequest handle
errthe positive error value, or zero for success
Returns
zero for success, -errno for failure to send reply
int fuse_reply_ioctl ( fuse_req_t  req,
int  result,
const void *  buf,
size_t  size 
)

Reply to finish ioctl

Possible requests: ioctl

Parameters
reqrequest handle
resultresult to be passed to the caller
bufbuffer containing output data
sizelength of output data
int fuse_reply_ioctl_iov ( fuse_req_t  req,
int  result,
const struct iovec *  iov,
int  count 
)

Reply to finish ioctl with iov buffer

Possible requests: ioctl

Parameters
reqrequest handle
resultresult to be passed to the caller
iovthe vector containing the data
countthe size of vector
int fuse_reply_ioctl_retry ( fuse_req_t  req,
const struct iovec *  in_iov,
size_t  in_count,
const struct iovec *  out_iov,
size_t  out_count 
)

Reply to ask for data fetch and output buffer preparation. ioctl will be retried with the specified input data fetched and output buffer prepared.

Possible requests: ioctl

Parameters
reqrequest handle
in_ioviovec specifying data to fetch from the caller
in_countnumber of entries in in_iov
out_ioviovec specifying addresses to write output to
out_countnumber of entries in out_iov
Returns
zero for success, -errno for failure to send reply
int fuse_reply_iov ( fuse_req_t  req,
const struct iovec *  iov,
int  count 
)

Reply with data vector

Possible requests: read, readdir, getxattr, listxattr

Parameters
reqrequest handle
iovthe vector containing the data
countthe size of vector
Returns
zero for success, -errno for failure to send reply
int fuse_reply_lock ( fuse_req_t  req,
const struct flock *  lock 
)

Reply with file lock information

Possible requests: getlk

Parameters
reqrequest handle
lockthe lock information
Returns
zero for success, -errno for failure to send reply
void fuse_reply_none ( fuse_req_t  req)

Don't send reply

Possible requests: forget

Parameters
reqrequest handle
int fuse_reply_open ( fuse_req_t  req,
const struct fuse_file_info *  fi 
)

Reply with open parameters

currently the following members of 'fi' are used: fh, direct_io, keep_cache

Possible requests: open, opendir

Parameters
reqrequest handle
fifile information
Returns
zero for success, -errno for failure to send reply
int fuse_reply_poll ( fuse_req_t  req,
unsigned  revents 
)

Reply with poll result event mask

Parameters
reqrequest handle
reventspoll result event mask
int fuse_reply_readlink ( fuse_req_t  req,
const char *  link 
)

Reply with the contents of a symbolic link

Possible requests: readlink

Parameters
reqrequest handle
linksymbolic link contents
Returns
zero for success, -errno for failure to send reply
int fuse_reply_statfs ( fuse_req_t  req,
const struct statvfs *  stbuf 
)

Reply with filesystem statistics

Possible requests: statfs

Parameters
reqrequest handle
stbuffilesystem statistics
Returns
zero for success, -errno for failure to send reply
int fuse_reply_write ( fuse_req_t  req,
size_t  count 
)

Reply with number of bytes written

Possible requests: write

Parameters
reqrequest handle
countthe number of bytes written
Returns
zero for success, -errno for failure to send reply
int fuse_reply_xattr ( fuse_req_t  req,
size_t  count 
)

Reply with needed buffer size

Possible requests: getxattr, listxattr

Parameters
reqrequest handle
countthe buffer size needed in bytes
Returns
zero for success, -errno for failure to send reply
const struct fuse_ctx* fuse_req_ctx ( fuse_req_t  req)

Get the context from the request

The pointer returned by this function will only be valid for the request's lifetime

Parameters
reqrequest handle
Returns
the context structure
int fuse_req_getgroups ( fuse_req_t  req,
int  size,
gid_t  list[] 
)

Get the current supplementary group IDs for the specified request

Similar to the getgroups(2) system call, except the return value is always the total number of group IDs, even if it is larger than the specified size.

The current fuse kernel module in linux (as of 2.6.30) doesn't pass the group list to userspace, hence this function needs to parse "/proc/$TID/task/$TID/status" to get the group IDs.

This feature may not be supported on all operating systems. In such a case this function will return -ENOSYS.

Parameters
reqrequest handle
sizesize of given array
listarray of group IDs to be filled in
Returns
the total number of supplementary group IDs or -errno on failure
void fuse_req_interrupt_func ( fuse_req_t  req,
fuse_interrupt_func_t  func,
void *  data 
)

Register/unregister callback for an interrupt

If an interrupt has already happened, then the callback function is called from within this function, hence it's not possible for interrupts to be lost.

Parameters
reqrequest handle
functhe callback function or NULL for unregister
datauser data passed to the callback function
int fuse_req_interrupted ( fuse_req_t  req)

Check if a request has already been interrupted

Parameters
reqrequest handle
Returns
1 if the request has been interrupted, 0 otherwise
void* fuse_req_userdata ( fuse_req_t  req)

Get the userdata from the request

Parameters
reqrequest handle
Returns
the user data passed to fuse_lowlevel_new()
void fuse_session_add_chan ( struct fuse_session *  se,
struct fuse_chan *  ch 
)

Assign a channel to a session

Note: currently only a single channel may be assigned. This may change in the future

If a session is destroyed, the assigned channel is also destroyed

Parameters
sethe session
chthe channel
void* fuse_session_data ( struct fuse_session *  se)

Get the user data provided to the session

Parameters
sethe session
Returns
the user data
void fuse_session_destroy ( struct fuse_session *  se)

Destroy a session

Parameters
sethe session
void fuse_session_exit ( struct fuse_session *  se)

Exit a session

Parameters
sethe session
int fuse_session_exited ( struct fuse_session *  se)

Query the exited status of a session

Parameters
sethe session
Returns
1 if exited, 0 if not exited
int fuse_session_loop ( struct fuse_session *  se)

Enter a single threaded event loop

Parameters
sethe session
Returns
0 on success, -1 on error
int fuse_session_loop_mt ( struct fuse_session *  se)

Enter a multi-threaded event loop

Parameters
sethe session
Returns
0 on success, -1 on error
struct fuse_session* fuse_session_new ( struct fuse_session_ops *  op,
void *  data 
)

Create a new session

Parameters
opsession operations
datauser data
Returns
new session object, or NULL on failure
struct fuse_chan* fuse_session_next_chan ( struct fuse_session *  se,
struct fuse_chan *  ch 
)

Iterate over the channels assigned to a session

The iterating function needs to start with a NULL channel, and after that needs to pass the previously returned channel to the function.

Parameters
sethe session
chthe previous channel, or NULL
Returns
the next channel, or NULL if no more channels exist
void fuse_session_process ( struct fuse_session *  se,
const char *  buf,
size_t  len,
struct fuse_chan *  ch 
)

Process a raw request

Parameters
sethe session
bufbuffer containing the raw request
lenrequest length
chchannel on which the request was received
void fuse_session_process_buf ( struct fuse_session *  se,
const struct fuse_buf *  buf,
struct fuse_chan *  ch 
)

Process a raw request supplied in a generic buffer

This is a more generic version of fuse_session_process(). The fuse_buf may contain a memory buffer or a pipe file descriptor.

Parameters
sethe session
bufthe fuse_buf containing the request
chchannel on which the request was received
int fuse_session_receive_buf ( struct fuse_session *  se,
struct fuse_buf *  buf,
struct fuse_chan **  chp 
)

Receive a raw request supplied in a generic buffer

This is a more generic version of fuse_chan_recv(). The fuse_buf supplied to this function contains a suitably allocated memory buffer. This may be overwritten with a file descriptor buffer.

Parameters
sethe session
bufthe fuse_buf to store the request in
chppointer to the channel
Returns
the actual size of the raw request, or -errno on error
void fuse_session_remove_chan ( struct fuse_chan *  ch)

Remove a channel from a session

If the channel is not assigned to a session, then this is a no-op

Parameters
chthe channel to remove
void fuse_session_reset ( struct fuse_session *  se)

Reset the exited status of a session

Parameters
sethe session
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/globals_defs.html0000664000175000017500000000766112707431663014464 00000000000000 fuse: Globals
 
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/ftv2plastnode.png0000664000175000017500000000034512707431656014445 00000000000000‰PNG  IHDRɪ|¬IDATxí=QF‘Ø¥D«ÔkÄ:‰F©PK؃=V@§Õ³ Õ8SHxñÌ0bnrróŠ{ò½¿¾’$ ÀÏTŠP  ö¼X¬OÛd6êìòð"°²S´±O¥B€(¡àQé)š+YĈ ÒªËRÉÐ>VtÉsˆm9(ê„䜥k‚-@ȧ-Ü$ó b Ò[he ¿Kp-ôl|CùÿApRG'rÍ­aIEND®B`‚fuse-2.9.7/doc/html/ftv2folderopen.png0000664000175000017500000000112512707431656014606 00000000000000‰PNG  IHDRÚ}\ˆIDATxí]?oÓPÿ9iš4i°;ii“¶‰ZŠ‰‘‰ÀÀ7`bèÔÙ¬Øù,HìU'ô$*Tµ]‚T¡DPÚÄ6wÏ}‰;¡C; a¿ÓߟûÝïîž¼jAÀ­InSþ}€9H“ÓŽ|?íÁ÷ =_ÊÆŠ­†¥Àue*;¯YEäsYäæB¢Ÿ¿þÄ—£sÙ½½ÙŒ† É«›©ÀYÇq !GÇ¿v̇¹ÑØ®š °Œ‚ÔF¹}q¥b]÷7í·0)Úd›¾ÿð-èº}Pfä£ÖY{4™ÑÂ@}úæôñ2ÛüÔ—ñúåNŒI‚ÁǃcçÁº%£¬UŠ°I³mc±ô˜å¼ÔÆüÈ>é¸xþt9Æ$µý OæVE*õU´Ì‚ç#ž×ˆ•ïûr@l$øPÿrHaaÇ¥ ²›dZ®rè‘ãqI„o¼øT\Ž,tªj2FAxv-LŸp׌p TÄI/ \¥sfí½; jViTƒèú¤o^cpÅü¼ûû»Ïb]”€¢¤<†aþÕœ²“ßÓ˜y“£§9:Œîù+À³€ñà,E žf³6éNˆÄE£KU}Ü^;¶ØnZ¢uß­US4— ѬëbížN¶.Úk¦ØjTÄöº%µªâ i¯VÄÊÝò§™ Èù¸)ùÿG€™òºJ@T x”IEND®B`‚fuse-2.9.7/doc/html/globals.html0000664000175000017500000004330612707431663013457 00000000000000 fuse: Globals
Here is a list of all documented functions, variables, defines, enums, and typedefs with links to the documentation:

- f -

Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__module.html0000664000175000017500000001175712707431672015754 00000000000000 fuse: fuse_module Struct Reference
Data Fields
fuse_module Struct Reference

#include <fuse.h>

Data Fields

const char * name
 
struct fuse_fs *(* factory )(struct fuse_args *args, struct fuse_fs *fs[])
 

Detailed Description

Filesystem module

Filesystem modules are registered with the FUSE_REGISTER_MODULE() macro.

If the "-omodules=modname:..." option is present, filesystem objects are created and pushed onto the stack with the 'factory' function.

Field Documentation

struct fuse_fs*(* fuse_module::factory)(struct fuse_args *args, struct fuse_fs *fs[])

Factory for creating filesystem objects

The function may use and remove options from 'args' that belong to this module.

For now the 'fs' vector always contains exactly one filesystem. This is the filesystem which will be below the newly created filesystem in the stack.

Parameters
argsthe command line arguments
fsNULL terminated filesystem object vector
Returns
the new filesystem object
const char* fuse_module::name

Name of filesystem

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/structfuse__buf.html0000664000175000017500000001441012707431664015231 00000000000000 fuse: fuse_buf Struct Reference
Data Fields
fuse_buf Struct Reference

#include <fuse_common.h>

Data Fields

size_t size
 
enum fuse_buf_flags flags
 
void * mem
 
int fd
 
off_t pos
 

Detailed Description

Single data buffer

Generic data buffer for I/O, extended attributes, etc... Data may be supplied as a memory pointer or as a file descriptor

Field Documentation

int fuse_buf::fd

File descriptor

Used if FUSE_BUF_IS_FD flag is set.

enum fuse_buf_flags fuse_buf::flags

Buffer flags

void* fuse_buf::mem

Memory pointer

Used unless FUSE_BUF_IS_FD flag is set.

off_t fuse_buf::pos

File position

Used if FUSE_BUF_FD_SEEK flag is set.

size_t fuse_buf::size

Size of data in bytes

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
fuse-2.9.7/doc/html/open.png0000664000175000017500000000017312707431656012612 00000000000000‰PNG  IHDR à‘BIDATxíÝÁ €0 Ð׬ՙ\Àº€39—b!©9{|ðI>$#Àß´ý8/¨ÄØzƒ/Ï>2À[ÎgiU,/¬~¼Ï\ Ä9Ù¸IEND®B`‚fuse-2.9.7/doc/html/structfuse__bufvec.html0000664000175000017500000001303112707431664015725 00000000000000 fuse: fuse_bufvec Struct Reference
Data Fields
fuse_bufvec Struct Reference

#include <fuse_common.h>

Data Fields

size_t count
 
size_t idx
 
size_t off
 
struct fuse_buf buf [1]
 

Detailed Description

Data buffer vector

An array of data buffers, each containing a memory pointer or a file descriptor.

Allocate dynamically to add more than one buffer.

Field Documentation

struct fuse_buf fuse_bufvec::buf[1]

Array of buffers

size_t fuse_bufvec::count

Number of buffers in the array

size_t fuse_bufvec::idx

Index of current buffer within the array

size_t fuse_bufvec::off

Current offset within the current buffer

The documentation for this struct was generated from the following file:
Generated on Sat Apr 23 2016 09:43:20 for fuse by   doxygen 1.8.8
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It also aims to provide a secure method for non privileged users to create and mount their own filesystem implementations. .PP \fBulockmgr_server\fR is the Userspace Lock Manager Server for FUSE filesystems. .SH OPTIONS \fBulockmgr_server\fR has no options. .SH SEE ALSO \fIfusermount\fR(1), \fImount\fR(8), \fImount.fuse\fR(8). .SH HOMEPAGE More information about ulockmgr_server and the FUSE project can be found at <\fIhttp://fuse.sourceforge.net/\fR>. .SH AUTHOR FUSE was written by Miklos Szeredi <\fImiklos@szeredi.hu\fR>. .PP This manual page was written by Daniel Baumann <\fIdaniel.baumann@progress\-technologies.net\fR>. fuse-2.9.7/doc/Doxyfile0000644000175000017500000016455112732044227011706 00000000000000# Doxyfile 1.5.6 # This file describes the settings to be used by the documentation system # doxygen (www.doxygen.org) for a project # # All text after a hash (#) is considered a comment and will be ignored # The format is: # TAG = value [value, ...] # For lists items can also be appended using: # TAG += value [value, ...] # Values that contain spaces should be placed between quotes (" ") #--------------------------------------------------------------------------- # Project related configuration options #--------------------------------------------------------------------------- # This tag specifies the encoding used for all characters in the config file # that follow. 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OPTIMIZE_OUTPUT_VHDL = NO # If you use STL classes (i.e. std::string, std::vector, etc.) but do not want # to include (a tag file for) the STL sources as input, then you should # set this tag to YES in order to let doxygen match functions declarations and # definitions whose arguments contain STL classes (e.g. func(std::string); v.s. # func(std::string) {}). This also make the inheritance and collaboration # diagrams that involve STL classes more complete and accurate. BUILTIN_STL_SUPPORT = NO # If you use Microsoft's C++/CLI language, you should set this option to YES to # enable parsing support. CPP_CLI_SUPPORT = NO # Set the SIP_SUPPORT tag to YES if your project consists of sip sources only. # Doxygen will parse them like normal C++ but will assume all classes use public # instead of private inheritance when no explicit protection keyword is present. SIP_SUPPORT = NO # For Microsoft's IDL there are propget and propput attributes to indicate getter # and setter methods for a property. Setting this option to YES (the default) # will make doxygen to replace the get and set methods by a property in the # documentation. This will only work if the methods are indeed getting or # setting a simple type. If this is not the case, or you want to show the # methods anyway, you should set this option to NO. IDL_PROPERTY_SUPPORT = YES # If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC # tag is set to YES, then doxygen will reuse the documentation of the first # member in the group (if any) for the other members of the group. By default # all members of a group must be documented explicitly. DISTRIBUTE_GROUP_DOC = NO # Set the SUBGROUPING tag to YES (the default) to allow class member groups of # the same type (for instance a group of public functions) to be put as a # subgroup of that type (e.g. under the Public Functions section). Set it to # NO to prevent subgrouping. Alternatively, this can be done per class using # the \nosubgrouping command. SUBGROUPING = YES # When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum # is documented as struct, union, or enum with the name of the typedef. So # typedef struct TypeS {} TypeT, will appear in the documentation as a struct # with name TypeT. When disabled the typedef will appear as a member of a file, # namespace, or class. And the struct will be named TypeS. This can typically # be useful for C code in case the coding convention dictates that all compound # types are typedef'ed and only the typedef is referenced, never the tag name. TYPEDEF_HIDES_STRUCT = NO #--------------------------------------------------------------------------- # Build related configuration options #--------------------------------------------------------------------------- # If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in # documentation are documented, even if no documentation was available. # Private class members and static file members will be hidden unless # the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES EXTRACT_ALL = NO # If the EXTRACT_PRIVATE tag is set to YES all private members of a class # will be included in the documentation. EXTRACT_PRIVATE = NO # If the EXTRACT_STATIC tag is set to YES all static members of a file # will be included in the documentation. EXTRACT_STATIC = NO # If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) # defined locally in source files will be included in the documentation. # If set to NO only classes defined in header files are included. EXTRACT_LOCAL_CLASSES = YES # This flag is only useful for Objective-C code. When set to YES local # methods, which are defined in the implementation section but not in # the interface are included in the documentation. # If set to NO (the default) only methods in the interface are included. EXTRACT_LOCAL_METHODS = NO # If this flag is set to YES, the members of anonymous namespaces will be # extracted and appear in the documentation as a namespace called # 'anonymous_namespace{file}', where file will be replaced with the base # name of the file that contains the anonymous namespace. By default # anonymous namespace are hidden. EXTRACT_ANON_NSPACES = NO # If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all # undocumented members of documented classes, files or namespaces. # If set to NO (the default) these members will be included in the # various overviews, but no documentation section is generated. # This option has no effect if EXTRACT_ALL is enabled. HIDE_UNDOC_MEMBERS = YES # If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all # undocumented classes that are normally visible in the class hierarchy. # If set to NO (the default) these classes will be included in the various # overviews. This option has no effect if EXTRACT_ALL is enabled. HIDE_UNDOC_CLASSES = YES # If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all # friend (class|struct|union) declarations. # If set to NO (the default) these declarations will be included in the # documentation. HIDE_FRIEND_COMPOUNDS = NO # If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any # documentation blocks found inside the body of a function. # If set to NO (the default) these blocks will be appended to the # function's detailed documentation block. HIDE_IN_BODY_DOCS = NO # The INTERNAL_DOCS tag determines if documentation # that is typed after a \internal command is included. If the tag is set # to NO (the default) then the documentation will be excluded. # Set it to YES to include the internal documentation. INTERNAL_DOCS = NO # If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate # file names in lower-case letters. If set to YES upper-case letters are also # allowed. This is useful if you have classes or files whose names only differ # in case and if your file system supports case sensitive file names. Windows # and Mac users are advised to set this option to NO. CASE_SENSE_NAMES = YES # If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen # will show members with their full class and namespace scopes in the # documentation. If set to YES the scope will be hidden. HIDE_SCOPE_NAMES = NO # If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen # will put a list of the files that are included by a file in the documentation # of that file. SHOW_INCLUDE_FILES = YES # If the INLINE_INFO tag is set to YES (the default) then a tag [inline] # is inserted in the documentation for inline members. INLINE_INFO = YES # If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen # will sort the (detailed) documentation of file and class members # alphabetically by member name. If set to NO the members will appear in # declaration order. SORT_MEMBER_DOCS = YES # If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the # brief documentation of file, namespace and class members alphabetically # by member name. If set to NO (the default) the members will appear in # declaration order. SORT_BRIEF_DOCS = NO # If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the # hierarchy of group names into alphabetical order. If set to NO (the default) # the group names will appear in their defined order. SORT_GROUP_NAMES = NO # If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be # sorted by fully-qualified names, including namespaces. If set to # NO (the default), the class list will be sorted only by class name, # not including the namespace part. # Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. # Note: This option applies only to the class list, not to the # alphabetical list. SORT_BY_SCOPE_NAME = NO # The GENERATE_TODOLIST tag can be used to enable (YES) or # disable (NO) the todo list. This list is created by putting \todo # commands in the documentation. GENERATE_TODOLIST = YES # The GENERATE_TESTLIST tag can be used to enable (YES) or # disable (NO) the test list. This list is created by putting \test # commands in the documentation. GENERATE_TESTLIST = YES # The GENERATE_BUGLIST tag can be used to enable (YES) or # disable (NO) the bug list. This list is created by putting \bug # commands in the documentation. GENERATE_BUGLIST = YES # The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or # disable (NO) the deprecated list. This list is created by putting # \deprecated commands in the documentation. GENERATE_DEPRECATEDLIST= YES # The ENABLED_SECTIONS tag can be used to enable conditional # documentation sections, marked by \if sectionname ... \endif. ENABLED_SECTIONS = # The MAX_INITIALIZER_LINES tag determines the maximum number of lines # the initial value of a variable or define consists of for it to appear in # the documentation. If the initializer consists of more lines than specified # here it will be hidden. Use a value of 0 to hide initializers completely. # The appearance of the initializer of individual variables and defines in the # documentation can be controlled using \showinitializer or \hideinitializer # command in the documentation regardless of this setting. MAX_INITIALIZER_LINES = 30 # Set the SHOW_USED_FILES tag to NO to disable the list of files generated # at the bottom of the documentation of classes and structs. If set to YES the # list will mention the files that were used to generate the documentation. SHOW_USED_FILES = YES # If the sources in your project are distributed over multiple directories # then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy # in the documentation. The default is NO. SHOW_DIRECTORIES = NO # Set the SHOW_FILES tag to NO to disable the generation of the Files page. # This will remove the Files entry from the Quick Index and from the # Folder Tree View (if specified). The default is YES. SHOW_FILES = YES # Set the SHOW_NAMESPACES tag to NO to disable the generation of the # Namespaces page. This will remove the Namespaces entry from the Quick Index # and from the Folder Tree View (if specified). The default is YES. SHOW_NAMESPACES = YES # The FILE_VERSION_FILTER tag can be used to specify a program or script that # doxygen should invoke to get the current version for each file (typically from # the version control system). Doxygen will invoke the program by executing (via # popen()) the command , where is the value of # the FILE_VERSION_FILTER tag, and is the name of an input file # provided by doxygen. Whatever the program writes to standard output # is used as the file version. See the manual for examples. FILE_VERSION_FILTER = #--------------------------------------------------------------------------- # configuration options related to warning and progress messages #--------------------------------------------------------------------------- # The QUIET tag can be used to turn on/off the messages that are generated # by doxygen. Possible values are YES and NO. If left blank NO is used. QUIET = NO # The WARNINGS tag can be used to turn on/off the warning messages that are # generated by doxygen. Possible values are YES and NO. If left blank # NO is used. WARNINGS = YES # If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings # for undocumented members. If EXTRACT_ALL is set to YES then this flag will # automatically be disabled. WARN_IF_UNDOCUMENTED = YES # If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for # potential errors in the documentation, such as not documenting some # parameters in a documented function, or documenting parameters that # don't exist or using markup commands wrongly. WARN_IF_DOC_ERROR = YES # This WARN_NO_PARAMDOC option can be abled to get warnings for # functions that are documented, but have no documentation for their parameters # or return value. If set to NO (the default) doxygen will only warn about # wrong or incomplete parameter documentation, but not about the absence of # documentation. WARN_NO_PARAMDOC = NO # The WARN_FORMAT tag determines the format of the warning messages that # doxygen can produce. The string should contain the $file, $line, and $text # tags, which will be replaced by the file and line number from which the # warning originated and the warning text. Optionally the format may contain # $version, which will be replaced by the version of the file (if it could # be obtained via FILE_VERSION_FILTER) WARN_FORMAT = "$file:$line: $text" # The WARN_LOGFILE tag can be used to specify a file to which warning # and error messages should be written. If left blank the output is written # to stderr. WARN_LOGFILE = #--------------------------------------------------------------------------- # configuration options related to the input files #--------------------------------------------------------------------------- # The INPUT tag can be used to specify the files and/or directories that contain # documented source files. You may enter file names like "myfile.cpp" or # directories like "/usr/src/myproject". Separate the files or directories # with spaces. INPUT = include # This tag can be used to specify the character encoding of the source files # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is # also the default input encoding. Doxygen uses libiconv (or the iconv built # into libc) for the transcoding. See http://www.gnu.org/software/libiconv for # the list of possible encodings. INPUT_ENCODING = UTF-8 # If the value of the INPUT tag contains directories, you can use the # FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp # and *.h) to filter out the source-files in the directories. If left # blank the following patterns are tested: # *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx # *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py *.f90 FILE_PATTERNS = *.h # The RECURSIVE tag can be used to turn specify whether or not subdirectories # should be searched for input files as well. Possible values are YES and NO. # If left blank NO is used. RECURSIVE = YES # The EXCLUDE tag can be used to specify files and/or directories that should # excluded from the INPUT source files. This way you can easily exclude a # subdirectory from a directory tree whose root is specified with the INPUT tag. EXCLUDE = # The EXCLUDE_SYMLINKS tag can be used select whether or not files or # directories that are symbolic links (a Unix filesystem feature) are excluded # from the input. EXCLUDE_SYMLINKS = NO # If the value of the INPUT tag contains directories, you can use the # EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude # certain files from those directories. Note that the wildcards are matched # against the file with absolute path, so to exclude all test directories # for example use the pattern */test/* EXCLUDE_PATTERNS = # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names # (namespaces, classes, functions, etc.) that should be excluded from the # output. The symbol name can be a fully qualified name, a word, or if the # wildcard * is used, a substring. Examples: ANamespace, AClass, # AClass::ANamespace, ANamespace::*Test EXCLUDE_SYMBOLS = # The EXAMPLE_PATH tag can be used to specify one or more files or # directories that contain example code fragments that are included (see # the \include command). EXAMPLE_PATH = # If the value of the EXAMPLE_PATH tag contains directories, you can use the # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp # and *.h) to filter out the source-files in the directories. If left # blank all files are included. EXAMPLE_PATTERNS = * # If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be # searched for input files to be used with the \include or \dontinclude # commands irrespective of the value of the RECURSIVE tag. # Possible values are YES and NO. If left blank NO is used. EXAMPLE_RECURSIVE = NO # The IMAGE_PATH tag can be used to specify one or more files or # directories that contain image that are included in the documentation (see # the \image command). IMAGE_PATH = # The INPUT_FILTER tag can be used to specify a program that doxygen should # invoke to filter for each input file. Doxygen will invoke the filter program # by executing (via popen()) the command , where # is the value of the INPUT_FILTER tag, and is the name of an # input file. Doxygen will then use the output that the filter program writes # to standard output. If FILTER_PATTERNS is specified, this tag will be # ignored. INPUT_FILTER = # The FILTER_PATTERNS tag can be used to specify filters on a per file pattern # basis. Doxygen will compare the file name with each pattern and apply the # filter if there is a match. The filters are a list of the form: # pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further # info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER # is applied to all files. FILTER_PATTERNS = # If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using # INPUT_FILTER) will be used to filter the input files when producing source # files to browse (i.e. when SOURCE_BROWSER is set to YES). FILTER_SOURCE_FILES = NO #--------------------------------------------------------------------------- # configuration options related to source browsing #--------------------------------------------------------------------------- # If the SOURCE_BROWSER tag is set to YES then a list of source files will # be generated. Documented entities will be cross-referenced with these sources. # Note: To get rid of all source code in the generated output, make sure also # VERBATIM_HEADERS is set to NO. SOURCE_BROWSER = NO # Setting the INLINE_SOURCES tag to YES will include the body # of functions and classes directly in the documentation. INLINE_SOURCES = NO # Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct # doxygen to hide any special comment blocks from generated source code # fragments. Normal C and C++ comments will always remain visible. STRIP_CODE_COMMENTS = YES # If the REFERENCED_BY_RELATION tag is set to YES # then for each documented function all documented # functions referencing it will be listed. REFERENCED_BY_RELATION = NO # If the REFERENCES_RELATION tag is set to YES # then for each documented function all documented entities # called/used by that function will be listed. REFERENCES_RELATION = NO # If the REFERENCES_LINK_SOURCE tag is set to YES (the default) # and SOURCE_BROWSER tag is set to YES, then the hyperlinks from # functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will # link to the source code. Otherwise they will link to the documentstion. REFERENCES_LINK_SOURCE = YES # If the USE_HTAGS tag is set to YES then the references to source code # will point to the HTML generated by the htags(1) tool instead of doxygen # built-in source browser. The htags tool is part of GNU's global source # tagging system (see http://www.gnu.org/software/global/global.html). You # will need version 4.8.6 or higher. USE_HTAGS = NO # If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen # will generate a verbatim copy of the header file for each class for # which an include is specified. Set to NO to disable this. VERBATIM_HEADERS = NO #--------------------------------------------------------------------------- # configuration options related to the alphabetical class index #--------------------------------------------------------------------------- # If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index # of all compounds will be generated. Enable this if the project # contains a lot of classes, structs, unions or interfaces. ALPHABETICAL_INDEX = NO # If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then # the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns # in which this list will be split (can be a number in the range [1..20]) COLS_IN_ALPHA_INDEX = 5 # In case all classes in a project start with a common prefix, all # classes will be put under the same header in the alphabetical index. # The IGNORE_PREFIX tag can be used to specify one or more prefixes that # should be ignored while generating the index headers. IGNORE_PREFIX = #--------------------------------------------------------------------------- # configuration options related to the HTML output #--------------------------------------------------------------------------- # If the GENERATE_HTML tag is set to YES (the default) Doxygen will # generate HTML output. GENERATE_HTML = YES # The HTML_OUTPUT tag is used to specify where the HTML docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `html' will be used as the default path. HTML_OUTPUT = html # The HTML_FILE_EXTENSION tag can be used to specify the file extension for # each generated HTML page (for example: .htm,.php,.asp). If it is left blank # doxygen will generate files with .html extension. HTML_FILE_EXTENSION = .html # The HTML_HEADER tag can be used to specify a personal HTML header for # each generated HTML page. If it is left blank doxygen will generate a # standard header. HTML_HEADER = # The HTML_FOOTER tag can be used to specify a personal HTML footer for # each generated HTML page. If it is left blank doxygen will generate a # standard footer. HTML_FOOTER = # The HTML_STYLESHEET tag can be used to specify a user-defined cascading # style sheet that is used by each HTML page. It can be used to # fine-tune the look of the HTML output. If the tag is left blank doxygen # will generate a default style sheet. Note that doxygen will try to copy # the style sheet file to the HTML output directory, so don't put your own # stylesheet in the HTML output directory as well, or it will be erased! HTML_STYLESHEET = # If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, # files or namespaces will be aligned in HTML using tables. If set to # NO a bullet list will be used. HTML_ALIGN_MEMBERS = YES # If the GENERATE_HTMLHELP tag is set to YES, additional index files # will be generated that can be used as input for tools like the # Microsoft HTML help workshop to generate a compiled HTML help file (.chm) # of the generated HTML documentation. GENERATE_HTMLHELP = NO # If the GENERATE_DOCSET tag is set to YES, additional index files # will be generated that can be used as input for Apple's Xcode 3 # integrated development environment, introduced with OSX 10.5 (Leopard). # To create a documentation set, doxygen will generate a Makefile in the # HTML output directory. Running make will produce the docset in that # directory and running "make install" will install the docset in # ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find # it at startup. GENERATE_DOCSET = NO # When GENERATE_DOCSET tag is set to YES, this tag determines the name of the # feed. A documentation feed provides an umbrella under which multiple # documentation sets from a single provider (such as a company or product suite) # can be grouped. DOCSET_FEEDNAME = "Doxygen generated docs" # When GENERATE_DOCSET tag is set to YES, this tag specifies a string that # should uniquely identify the documentation set bundle. This should be a # reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen # will append .docset to the name. DOCSET_BUNDLE_ID = org.doxygen.Project # If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML # documentation will contain sections that can be hidden and shown after the # page has loaded. For this to work a browser that supports # JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox # Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). HTML_DYNAMIC_SECTIONS = NO # If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can # be used to specify the file name of the resulting .chm file. You # can add a path in front of the file if the result should not be # written to the html output directory. CHM_FILE = # If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can # be used to specify the location (absolute path including file name) of # the HTML help compiler (hhc.exe). If non-empty doxygen will try to run # the HTML help compiler on the generated index.hhp. HHC_LOCATION = # If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag # controls if a separate .chi index file is generated (YES) or that # it should be included in the master .chm file (NO). GENERATE_CHI = NO # If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING # is used to encode HtmlHelp index (hhk), content (hhc) and project file # content. CHM_INDEX_ENCODING = # If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag # controls whether a binary table of contents is generated (YES) or a # normal table of contents (NO) in the .chm file. BINARY_TOC = NO # The TOC_EXPAND flag can be set to YES to add extra items for group members # to the contents of the HTML help documentation and to the tree view. TOC_EXPAND = NO # The DISABLE_INDEX tag can be used to turn on/off the condensed index at # top of each HTML page. The value NO (the default) enables the index and # the value YES disables it. DISABLE_INDEX = NO # This tag can be used to set the number of enum values (range [1..20]) # that doxygen will group on one line in the generated HTML documentation. ENUM_VALUES_PER_LINE = 4 # The GENERATE_TREEVIEW tag is used to specify whether a tree-like index # structure should be generated to display hierarchical information. # If the tag value is set to FRAME, a side panel will be generated # containing a tree-like index structure (just like the one that # is generated for HTML Help). For this to work a browser that supports # JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, # Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are # probably better off using the HTML help feature. Other possible values # for this tag are: HIERARCHIES, which will generate the Groups, Directories, # and Class Hiererachy pages using a tree view instead of an ordered list; # ALL, which combines the behavior of FRAME and HIERARCHIES; and NONE, which # disables this behavior completely. For backwards compatibility with previous # releases of Doxygen, the values YES and NO are equivalent to FRAME and NONE # respectively. GENERATE_TREEVIEW = NO # If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be # used to set the initial width (in pixels) of the frame in which the tree # is shown. TREEVIEW_WIDTH = 250 # Use this tag to change the font size of Latex formulas included # as images in the HTML documentation. The default is 10. Note that # when you change the font size after a successful doxygen run you need # to manually remove any form_*.png images from the HTML output directory # to force them to be regenerated. FORMULA_FONTSIZE = 10 #--------------------------------------------------------------------------- # configuration options related to the LaTeX output #--------------------------------------------------------------------------- # If the GENERATE_LATEX tag is set to YES (the default) Doxygen will # generate Latex output. GENERATE_LATEX = NO # The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `latex' will be used as the default path. LATEX_OUTPUT = latex # The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be # invoked. If left blank `latex' will be used as the default command name. LATEX_CMD_NAME = latex # The MAKEINDEX_CMD_NAME tag can be used to specify the command name to # generate index for LaTeX. If left blank `makeindex' will be used as the # default command name. MAKEINDEX_CMD_NAME = makeindex # If the COMPACT_LATEX tag is set to YES Doxygen generates more compact # LaTeX documents. This may be useful for small projects and may help to # save some trees in general. COMPACT_LATEX = NO # The PAPER_TYPE tag can be used to set the paper type that is used # by the printer. Possible values are: a4, a4wide, letter, legal and # executive. If left blank a4wide will be used. PAPER_TYPE = a4wide # The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX # packages that should be included in the LaTeX output. EXTRA_PACKAGES = # The LATEX_HEADER tag can be used to specify a personal LaTeX header for # the generated latex document. The header should contain everything until # the first chapter. If it is left blank doxygen will generate a # standard header. Notice: only use this tag if you know what you are doing! LATEX_HEADER = # If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated # is prepared for conversion to pdf (using ps2pdf). The pdf file will # contain links (just like the HTML output) instead of page references # This makes the output suitable for online browsing using a pdf viewer. PDF_HYPERLINKS = NO # If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of # plain latex in the generated Makefile. Set this option to YES to get a # higher quality PDF documentation. USE_PDFLATEX = NO # If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. # command to the generated LaTeX files. This will instruct LaTeX to keep # running if errors occur, instead of asking the user for help. # This option is also used when generating formulas in HTML. LATEX_BATCHMODE = NO # If LATEX_HIDE_INDICES is set to YES then doxygen will not # include the index chapters (such as File Index, Compound Index, etc.) # in the output. LATEX_HIDE_INDICES = NO #--------------------------------------------------------------------------- # configuration options related to the RTF output #--------------------------------------------------------------------------- # If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output # The RTF output is optimized for Word 97 and may not look very pretty with # other RTF readers or editors. GENERATE_RTF = NO # The RTF_OUTPUT tag is used to specify where the RTF docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `rtf' will be used as the default path. RTF_OUTPUT = rtf # If the COMPACT_RTF tag is set to YES Doxygen generates more compact # RTF documents. This may be useful for small projects and may help to # save some trees in general. COMPACT_RTF = NO # If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated # will contain hyperlink fields. The RTF file will # contain links (just like the HTML output) instead of page references. # This makes the output suitable for online browsing using WORD or other # programs which support those fields. # Note: wordpad (write) and others do not support links. RTF_HYPERLINKS = NO # Load stylesheet definitions from file. Syntax is similar to doxygen's # config file, i.e. a series of assignments. You only have to provide # replacements, missing definitions are set to their default value. RTF_STYLESHEET_FILE = # Set optional variables used in the generation of an rtf document. # Syntax is similar to doxygen's config file. RTF_EXTENSIONS_FILE = #--------------------------------------------------------------------------- # configuration options related to the man page output #--------------------------------------------------------------------------- # If the GENERATE_MAN tag is set to YES (the default) Doxygen will # generate man pages GENERATE_MAN = NO # The MAN_OUTPUT tag is used to specify where the man pages will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `man' will be used as the default path. MAN_OUTPUT = man # The MAN_EXTENSION tag determines the extension that is added to # the generated man pages (default is the subroutine's section .3) MAN_EXTENSION = .3 # If the MAN_LINKS tag is set to YES and Doxygen generates man output, # then it will generate one additional man file for each entity # documented in the real man page(s). These additional files # only source the real man page, but without them the man command # would be unable to find the correct page. The default is NO. MAN_LINKS = NO #--------------------------------------------------------------------------- # configuration options related to the XML output #--------------------------------------------------------------------------- # If the GENERATE_XML tag is set to YES Doxygen will # generate an XML file that captures the structure of # the code including all documentation. GENERATE_XML = NO # The XML_OUTPUT tag is used to specify where the XML pages will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `xml' will be used as the default path. XML_OUTPUT = xml # The XML_SCHEMA tag can be used to specify an XML schema, # which can be used by a validating XML parser to check the # syntax of the XML files. XML_SCHEMA = # The XML_DTD tag can be used to specify an XML DTD, # which can be used by a validating XML parser to check the # syntax of the XML files. XML_DTD = # If the XML_PROGRAMLISTING tag is set to YES Doxygen will # dump the program listings (including syntax highlighting # and cross-referencing information) to the XML output. Note that # enabling this will significantly increase the size of the XML output. XML_PROGRAMLISTING = YES #--------------------------------------------------------------------------- # configuration options for the AutoGen Definitions output #--------------------------------------------------------------------------- # If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will # generate an AutoGen Definitions (see autogen.sf.net) file # that captures the structure of the code including all # documentation. Note that this feature is still experimental # and incomplete at the moment. GENERATE_AUTOGEN_DEF = NO #--------------------------------------------------------------------------- # configuration options related to the Perl module output #--------------------------------------------------------------------------- # If the GENERATE_PERLMOD tag is set to YES Doxygen will # generate a Perl module file that captures the structure of # the code including all documentation. Note that this # feature is still experimental and incomplete at the # moment. GENERATE_PERLMOD = NO # If the PERLMOD_LATEX tag is set to YES Doxygen will generate # the necessary Makefile rules, Perl scripts and LaTeX code to be able # to generate PDF and DVI output from the Perl module output. PERLMOD_LATEX = NO # If the PERLMOD_PRETTY tag is set to YES the Perl module output will be # nicely formatted so it can be parsed by a human reader. This is useful # if you want to understand what is going on. On the other hand, if this # tag is set to NO the size of the Perl module output will be much smaller # and Perl will parse it just the same. PERLMOD_PRETTY = YES # The names of the make variables in the generated doxyrules.make file # are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. # This is useful so different doxyrules.make files included by the same # Makefile don't overwrite each other's variables. PERLMOD_MAKEVAR_PREFIX = #--------------------------------------------------------------------------- # Configuration options related to the preprocessor #--------------------------------------------------------------------------- # If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will # evaluate all C-preprocessor directives found in the sources and include # files. ENABLE_PREPROCESSING = YES # If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro # names in the source code. If set to NO (the default) only conditional # compilation will be performed. Macro expansion can be done in a controlled # way by setting EXPAND_ONLY_PREDEF to YES. MACRO_EXPANSION = NO # If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES # then the macro expansion is limited to the macros specified with the # PREDEFINED and EXPAND_AS_DEFINED tags. EXPAND_ONLY_PREDEF = NO # If the SEARCH_INCLUDES tag is set to YES (the default) the includes files # in the INCLUDE_PATH (see below) will be search if a #include is found. SEARCH_INCLUDES = YES # The INCLUDE_PATH tag can be used to specify one or more directories that # contain include files that are not input files but should be processed by # the preprocessor. INCLUDE_PATH = # You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard # patterns (like *.h and *.hpp) to filter out the header-files in the # directories. If left blank, the patterns specified with FILE_PATTERNS will # be used. INCLUDE_FILE_PATTERNS = # The PREDEFINED tag can be used to specify one or more macro names that # are defined before the preprocessor is started (similar to the -D option of # gcc). The argument of the tag is a list of macros of the form: name # or name=definition (no spaces). If the definition and the = are # omitted =1 is assumed. To prevent a macro definition from being # undefined via #undef or recursively expanded use the := operator # instead of the = operator. PREDEFINED = # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then # this tag can be used to specify a list of macro names that should be expanded. # The macro definition that is found in the sources will be used. # Use the PREDEFINED tag if you want to use a different macro definition. EXPAND_AS_DEFINED = # If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then # doxygen's preprocessor will remove all function-like macros that are alone # on a line, have an all uppercase name, and do not end with a semicolon. Such # function macros are typically used for boiler-plate code, and will confuse # the parser if not removed. SKIP_FUNCTION_MACROS = YES #--------------------------------------------------------------------------- # Configuration::additions related to external references #--------------------------------------------------------------------------- # The TAGFILES option can be used to specify one or more tagfiles. # Optionally an initial location of the external documentation # can be added for each tagfile. The format of a tag file without # this location is as follows: # TAGFILES = file1 file2 ... # Adding location for the tag files is done as follows: # TAGFILES = file1=loc1 "file2 = loc2" ... # where "loc1" and "loc2" can be relative or absolute paths or # URLs. If a location is present for each tag, the installdox tool # does not have to be run to correct the links. # Note that each tag file must have a unique name # (where the name does NOT include the path) # If a tag file is not located in the directory in which doxygen # is run, you must also specify the path to the tagfile here. TAGFILES = # When a file name is specified after GENERATE_TAGFILE, doxygen will create # a tag file that is based on the input files it reads. GENERATE_TAGFILE = # If the ALLEXTERNALS tag is set to YES all external classes will be listed # in the class index. If set to NO only the inherited external classes # will be listed. ALLEXTERNALS = NO # If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed # in the modules index. If set to NO, only the current project's groups will # be listed. EXTERNAL_GROUPS = YES # The PERL_PATH should be the absolute path and name of the perl script # interpreter (i.e. the result of `which perl'). PERL_PATH = /usr/bin/perl #--------------------------------------------------------------------------- # Configuration options related to the dot tool #--------------------------------------------------------------------------- # If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will # generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base # or super classes. Setting the tag to NO turns the diagrams off. Note that # this option is superseded by the HAVE_DOT option below. This is only a # fallback. It is recommended to install and use dot, since it yields more # powerful graphs. CLASS_DIAGRAMS = NO # You can define message sequence charts within doxygen comments using the \msc # command. Doxygen will then run the mscgen tool (see # http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the # documentation. The MSCGEN_PATH tag allows you to specify the directory where # the mscgen tool resides. If left empty the tool is assumed to be found in the # default search path. MSCGEN_PATH = # If set to YES, the inheritance and collaboration graphs will hide # inheritance and usage relations if the target is undocumented # or is not a class. HIDE_UNDOC_RELATIONS = YES # If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is # available from the path. This tool is part of Graphviz, a graph visualization # toolkit from AT&T and Lucent Bell Labs. The other options in this section # have no effect if this option is set to NO (the default) HAVE_DOT = NO # By default doxygen will write a font called FreeSans.ttf to the output # directory and reference it in all dot files that doxygen generates. This # font does not include all possible unicode characters however, so when you need # these (or just want a differently looking font) you can specify the font name # using DOT_FONTNAME. You need need to make sure dot is able to find the font, # which can be done by putting it in a standard location or by setting the # DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory # containing the font. DOT_FONTNAME = FreeSans # By default doxygen will tell dot to use the output directory to look for the # FreeSans.ttf font (which doxygen will put there itself). If you specify a # different font using DOT_FONTNAME you can set the path where dot # can find it using this tag. DOT_FONTPATH = # If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen # will generate a graph for each documented class showing the direct and # indirect inheritance relations. Setting this tag to YES will force the # the CLASS_DIAGRAMS tag to NO. CLASS_GRAPH = YES # If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen # will generate a graph for each documented class showing the direct and # indirect implementation dependencies (inheritance, containment, and # class references variables) of the class with other documented classes. COLLABORATION_GRAPH = YES # If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen # will generate a graph for groups, showing the direct groups dependencies GROUP_GRAPHS = YES # If the UML_LOOK tag is set to YES doxygen will generate inheritance and # collaboration diagrams in a style similar to the OMG's Unified Modeling # Language. UML_LOOK = NO # If set to YES, the inheritance and collaboration graphs will show the # relations between templates and their instances. TEMPLATE_RELATIONS = NO # If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT # tags are set to YES then doxygen will generate a graph for each documented # file showing the direct and indirect include dependencies of the file with # other documented files. INCLUDE_GRAPH = YES # If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and # HAVE_DOT tags are set to YES then doxygen will generate a graph for each # documented header file showing the documented files that directly or # indirectly include this file. INCLUDED_BY_GRAPH = YES # If the CALL_GRAPH and HAVE_DOT options are set to YES then # doxygen will generate a call dependency graph for every global function # or class method. Note that enabling this option will significantly increase # the time of a run. So in most cases it will be better to enable call graphs # for selected functions only using the \callgraph command. CALL_GRAPH = NO # If the CALLER_GRAPH and HAVE_DOT tags are set to YES then # doxygen will generate a caller dependency graph for every global function # or class method. Note that enabling this option will significantly increase # the time of a run. So in most cases it will be better to enable caller # graphs for selected functions only using the \callergraph command. CALLER_GRAPH = NO # If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen # will graphical hierarchy of all classes instead of a textual one. GRAPHICAL_HIERARCHY = YES # If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES # then doxygen will show the dependencies a directory has on other directories # in a graphical way. The dependency relations are determined by the #include # relations between the files in the directories. DIRECTORY_GRAPH = YES # The DOT_IMAGE_FORMAT tag can be used to set the image format of the images # generated by dot. Possible values are png, jpg, or gif # If left blank png will be used. DOT_IMAGE_FORMAT = png # The tag DOT_PATH can be used to specify the path where the dot tool can be # found. If left blank, it is assumed the dot tool can be found in the path. DOT_PATH = # The DOTFILE_DIRS tag can be used to specify one or more directories that # contain dot files that are included in the documentation (see the # \dotfile command). DOTFILE_DIRS = # The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of # nodes that will be shown in the graph. If the number of nodes in a graph # becomes larger than this value, doxygen will truncate the graph, which is # visualized by representing a node as a red box. Note that doxygen if the # number of direct children of the root node in a graph is already larger than # DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note # that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH. DOT_GRAPH_MAX_NODES = 50 # The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the # graphs generated by dot. A depth value of 3 means that only nodes reachable # from the root by following a path via at most 3 edges will be shown. Nodes # that lay further from the root node will be omitted. Note that setting this # option to 1 or 2 may greatly reduce the computation time needed for large # code bases. Also note that the size of a graph can be further restricted by # DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction. MAX_DOT_GRAPH_DEPTH = 1000 # Set the DOT_TRANSPARENT tag to YES to generate images with a transparent # background. This is enabled by default, which results in a transparent # background. Warning: Depending on the platform used, enabling this option # may lead to badly anti-aliased labels on the edges of a graph (i.e. they # become hard to read). DOT_TRANSPARENT = NO # Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output # files in one run (i.e. multiple -o and -T options on the command line). This # makes dot run faster, but since only newer versions of dot (>1.8.10) # support this, this feature is disabled by default. DOT_MULTI_TARGETS = NO # If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will # generate a legend page explaining the meaning of the various boxes and # arrows in the dot generated graphs. GENERATE_LEGEND = YES # If the DOT_CLEANUP tag is set to YES (the default) Doxygen will # remove the intermediate dot files that are used to generate # the various graphs. DOT_CLEANUP = YES #--------------------------------------------------------------------------- # Configuration::additions related to the search engine #--------------------------------------------------------------------------- # The SEARCHENGINE tag specifies whether or not a search engine should be # used. If set to NO the values of all tags below this one will be ignored. SEARCHENGINE = NO fuse-2.9.7/doc/kernel.txt0000644000175000017500000003741112645752413012221 00000000000000Definitions ~~~~~~~~~~~ Userspace filesystem: A filesystem in which data and metadata are provided by an ordinary userspace process. The filesystem can be accessed normally through the kernel interface. Filesystem daemon: The process(es) providing the data and metadata of the filesystem. Non-privileged mount (or user mount): A userspace filesystem mounted by a non-privileged (non-root) user. The filesystem daemon is running with the privileges of the mounting user. NOTE: this is not the same as mounts allowed with the "user" option in /etc/fstab, which is not discussed here. Filesystem connection: A connection between the filesystem daemon and the kernel. The connection exists until either the daemon dies, or the filesystem is umounted. Note that detaching (or lazy umounting) the filesystem does _not_ break the connection, in this case it will exist until the last reference to the filesystem is released. Mount owner: The user who does the mounting. User: The user who is performing filesystem operations. What is FUSE? ~~~~~~~~~~~~~ FUSE is a userspace filesystem framework. It consists of a kernel module (fuse.ko), a userspace library (libfuse.*) and a mount utility (fusermount). One of the most important features of FUSE is allowing secure, non-privileged mounts. This opens up new possibilities for the use of filesystems. A good example is sshfs: a secure network filesystem using the sftp protocol. The userspace library and utilities are available from the FUSE homepage: http://fuse.sourceforge.net/ Filesystem type ~~~~~~~~~~~~~~~ The filesystem type given to mount(2) can be one of the following: 'fuse' This is the usual way to mount a FUSE filesystem. The first argument of the mount system call may contain an arbitrary string, which is not interpreted by the kernel. 'fuseblk' The filesystem is block device based. The first argument of the mount system call is interpreted as the name of the device. Mount options ~~~~~~~~~~~~~ 'fd=N' The file descriptor to use for communication between the userspace filesystem and the kernel. The file descriptor must have been obtained by opening the FUSE device ('/dev/fuse'). 'rootmode=M' The file mode of the filesystem's root in octal representation. 'user_id=N' The numeric user id of the mount owner. 'group_id=N' The numeric group id of the mount owner. 'default_permissions' By default FUSE doesn't check file access permissions, the filesystem is free to implement it's access policy or leave it to the underlying file access mechanism (e.g. in case of network filesystems). This option enables permission checking, restricting access based on file mode. It is usually useful together with the 'allow_other' mount option. 'allow_other' This option overrides the security measure restricting file access to the user mounting the filesystem. This option is by default only allowed to root, but this restriction can be removed with a (userspace) configuration option. 'max_read=N' With this option the maximum size of read operations can be set. The default is infinite. Note that the size of read requests is limited anyway to 32 pages (which is 128kbyte on i386). 'blksize=N' Set the block size for the filesystem. The default is 512. This option is only valid for 'fuseblk' type mounts. Control filesystem ~~~~~~~~~~~~~~~~~~ There's a control filesystem for FUSE, which can be mounted by: mount -t fusectl none /sys/fs/fuse/connections Mounting it under the '/sys/fs/fuse/connections' directory makes it backwards compatible with earlier versions. Under the fuse control filesystem each connection has a directory named by a unique number. For each connection the following files exist within this directory: 'waiting' The number of requests which are waiting to be transferred to userspace or being processed by the filesystem daemon. If there is no filesystem activity and 'waiting' is non-zero, then the filesystem is hung or deadlocked. 'abort' Writing anything into this file will abort the filesystem connection. This means that all waiting requests will be aborted an error returned for all aborted and new requests. Only the owner of the mount may read or write these files. Interrupting filesystem operations ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If a process issuing a FUSE filesystem request is interrupted, the following will happen: 1) If the request is not yet sent to userspace AND the signal is fatal (SIGKILL or unhandled fatal signal), then the request is dequeued and returns immediately. 2) If the request is not yet sent to userspace AND the signal is not fatal, then an 'interrupted' flag is set for the request. When the request has been successfully transferred to userspace and this flag is set, an INTERRUPT request is queued. 3) If the request is already sent to userspace, then an INTERRUPT request is queued. INTERRUPT requests take precedence over other requests, so the userspace filesystem will receive queued INTERRUPTs before any others. The userspace filesystem may ignore the INTERRUPT requests entirely, or may honor them by sending a reply to the _original_ request, with the error set to EINTR. It is also possible that there's a race between processing the original request and it's INTERRUPT request. There are two possibilities: 1) The INTERRUPT request is processed before the original request is processed 2) The INTERRUPT request is processed after the original request has been answered If the filesystem cannot find the original request, it should wait for some timeout and/or a number of new requests to arrive, after which it should reply to the INTERRUPT request with an EAGAIN error. In case 1) the INTERRUPT request will be requeued. In case 2) the INTERRUPT reply will be ignored. Aborting a filesystem connection ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ It is possible to get into certain situations where the filesystem is not responding. Reasons for this may be: a) Broken userspace filesystem implementation b) Network connection down c) Accidental deadlock d) Malicious deadlock (For more on c) and d) see later sections) In either of these cases it may be useful to abort the connection to the filesystem. There are several ways to do this: - Kill the filesystem daemon. Works in case of a) and b) - Kill the filesystem daemon and all users of the filesystem. Works in all cases except some malicious deadlocks - Use forced umount (umount -f). Works in all cases but only if filesystem is still attached (it hasn't been lazy unmounted) - Abort filesystem through the FUSE control filesystem. Most powerful method, always works. How do non-privileged mounts work? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Since the mount() system call is a privileged operation, a helper program (fusermount) is needed, which is installed setuid root. The implication of providing non-privileged mounts is that the mount owner must not be able to use this capability to compromise the system. Obvious requirements arising from this are: A) mount owner should not be able to get elevated privileges with the help of the mounted filesystem B) mount owner should not get illegitimate access to information from other users' and the super user's processes C) mount owner should not be able to induce undesired behavior in other users' or the super user's processes How are requirements fulfilled? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A) The mount owner could gain elevated privileges by either: 1) creating a filesystem containing a device file, then opening this device 2) creating a filesystem containing a suid or sgid application, then executing this application The solution is not to allow opening device files and ignore setuid and setgid bits when executing programs. To ensure this fusermount always adds "nosuid" and "nodev" to the mount options for non-privileged mounts. B) If another user is accessing files or directories in the filesystem, the filesystem daemon serving requests can record the exact sequence and timing of operations performed. This information is otherwise inaccessible to the mount owner, so this counts as an information leak. The solution to this problem will be presented in point 2) of C). C) There are several ways in which the mount owner can induce undesired behavior in other users' processes, such as: 1) mounting a filesystem over a file or directory which the mount owner could otherwise not be able to modify (or could only make limited modifications). This is solved in fusermount, by checking the access permissions on the mountpoint and only allowing the mount if the mount owner can do unlimited modification (has write access to the mountpoint, and mountpoint is not a "sticky" directory) 2) Even if 1) is solved the mount owner can change the behavior of other users' processes. i) It can slow down or indefinitely delay the execution of a filesystem operation creating a DoS against the user or the whole system. For example a suid application locking a system file, and then accessing a file on the mount owner's filesystem could be stopped, and thus causing the system file to be locked forever. ii) It can present files or directories of unlimited length, or directory structures of unlimited depth, possibly causing a system process to eat up diskspace, memory or other resources, again causing DoS. The solution to this as well as B) is not to allow processes to access the filesystem, which could otherwise not be monitored or manipulated by the mount owner. Since if the mount owner can ptrace a process, it can do all of the above without using a FUSE mount, the same criteria as used in ptrace can be used to check if a process is allowed to access the filesystem or not. Note that the ptrace check is not strictly necessary to prevent B/2/i, it is enough to check if mount owner has enough privilege to send signal to the process accessing the filesystem, since SIGSTOP can be used to get a similar effect. I think these limitations are unacceptable? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If a sysadmin trusts the users enough, or can ensure through other measures, that system processes will never enter non-privileged mounts, it can relax the last limitation with a "user_allow_other" config option. If this config option is set, the mounting user can add the "allow_other" mount option which disables the check for other users' processes. Kernel - userspace interface ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The following diagram shows how a filesystem operation (in this example unlink) is performed in FUSE. NOTE: everything in this description is greatly simplified | "rm /mnt/fuse/file" | FUSE filesystem daemon | | | | >sys_read() | | >fuse_dev_read() | | >request_wait() | | [sleep on fc->waitq] | | | >sys_unlink() | | >fuse_unlink() | | [get request from | | fc->unused_list] | | >request_send() | | [queue req on fc->pending] | | [wake up fc->waitq] | [woken up] | >request_wait_answer() | | [sleep on req->waitq] | | | pending] | | [copy req to read buffer] | | [add req to fc->processing] | | sys_write() | | >fuse_dev_write() | | [look up req in fc->processing] | | [remove from fc->processing] | | [copy write buffer to req] | [woken up] | [wake up req->waitq] | | unused_list] | | sys_unlink("/mnt/fuse/file") | | [acquire inode semaphore | | for "file"] | | >fuse_unlink() | | [sleep on req->waitq] | | | sys_unlink("/mnt/fuse/file") | | [acquire inode semaphore | | for "file"] | | *DEADLOCK* The solution for this is to allow the filesystem to be aborted. Scenario 2 - Tricky deadlock ---------------------------- This one needs a carefully crafted filesystem. It's a variation on the above, only the call back to the filesystem is not explicit, but is caused by a pagefault. | Kamikaze filesystem thread 1 | Kamikaze filesystem thread 2 | | | [fd = open("/mnt/fuse/file")] | [request served normally] | [mmap fd to 'addr'] | | [close fd] | [FLUSH triggers 'magic' flag] | [read a byte from addr] | | >do_page_fault() | | [find or create page] | | [lock page] | | >fuse_readpage() | | [queue READ request] | | [sleep on req->waitq] | | | [read request to buffer] | | [create reply header before addr] | | >sys_write(addr - headerlength) | | >fuse_dev_write() | | [look up req in fc->processing] | | [remove from fc->processing] | | [copy write buffer to req] | | >do_page_fault() | | [find or create page] | | [lock page] | | * DEADLOCK * Solution is basically the same as above. An additional problem is that while the write buffer is being copied to the request, the request must not be interrupted/aborted. This is because the destination address of the copy may not be valid after the request has returned. This is solved with doing the copy atomically, and allowing abort while the page(s) belonging to the write buffer are faulted with get_user_pages(). The 'req->locked' flag indicates when the copy is taking place, and abort is delayed until this flag is unset. fuse-2.9.7/COPYING0000644000175000017500000004325412645752413010470 00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. 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You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. 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accessing kernel buffers on kernel 2.6.36 or newer o Introduce abstract buffer for zero copy operations o Allow path calculation to be omitted on certain operations o Allow batching forget requests o Add "flock" method o Add support for ioctl on directories o Add delete notification o Add fallocate operation (linux kernel 3.5 or newer) - Bug fixes and small improvements ============================================================================ What is new in 2.8 - More scalable directory tree locking - Atomic open(O_TRUNC) support - Support big write requests on kernels 2.6.26 and newer - Out-of-tree fuse module removed - Better NFS exporting support - New ioctl and poll requests - New CUSE (Character Device in Userspace) interface - Allow umask processing in userspace - Added cache invalidation notifications - Bugfixes and small improvements ============================================================================ What is new in 2.7 - Stacking support for the high level API - Add filename charset conversion module - Improved mounting ============================================================================ What is new in 2.6 - Improved read characteristics (asynchronous reads) - Support for aborting filesystem connection - POSIX file locking support - Request interruption support - Building module for Linux kernels earlier than 2.6.9 not supported - Allow block device based filesystems to support swap files - Several bugs fixed, including a rare system hang on SMP ============================================================================ What is new in 2.5 - Merge library part of FreeBSD port - New atomic create+open, access and ftruncate operations - On filesystems implementing the new create+open operation, and running on Linux kernels 2.6.15 or later, the 'cp' operation will work correctly when copying read-only files. - New option parsing interface added to the library - Lots of minor improvements and fixes ============================================================================ What is new in 2.4 - Simplify device opening. Now '/dev/fuse' is a requirement - Allow module auto-loading if user has access to '/dev/fuse' - Allow mounting over a regular file for unprivileged users - Allow mounting of arbitrary FUSE filesystems from /etc/fstab - New mount options: 'umask=M', 'uid=N', 'gid=N' - Check for non-empty mountpoint, and refuse mount by default. New mount option: 'nonempty' - Low level (inode based) API added - Allow 'direct_io' and 'keep_cache' options to be set on a case-by-case basis on open. - Add 'attr_timeout' and 'entry_timeout' mount options to the high-level library. Until now these timeouts were fixed at 1 sec. - Some bugfixes ============================================================================ What is new in 2.3 - Add new directory related operations: opendir(), readdir(), releasedir() and fsyncdir() - Add init() and destroy() operations which are called before the event loop is started and after it has exited - Update kernel ABI so that on dual architectures (e.g. AMD64) 32bit binaries work under a 64bit kernel - Bugfixes ============================================================================ What is new in 2.2 Userspace changes: - Add fuse_file_info structure to file operations, this allows the filesystem to return a file handle in open() which is passed to read(), write(), flush(), fsync() and release(). - Add source compatibility with 2.1 and 1.4 releases - Binary compatibility with 2.1 release is retained Kernel changes: - Make requests interruptible. This prevents the filesystem to go into an unbreakable deadlock with itself. - Make readpages() synchronous. Asynchronous requests are deadlock prone, since they cannot be interrupted (see above) - Remove shared-writeable mapping support, which could deadlock the machine - Remove INVALIDATE userspace initiated request - Update ABI to be independent of sizeof(long), so dual-size archs don't cause problems - Remove /sys/fs/fuse/version. Version checking is now done through the fuse device - Replace directory reading method on the kernel interface. Instead of passing an open file descriptor to the kernel, send data through the FUSE device, like all other operations. ============================================================================ What is new in 2.1 * Bug fixes * Improved support for filesystems implementing a custom event-loop * Add 'pkg-config' support * Kernel module can be compiled separately ============================================================================ What is new in 1.9 * Lots of bugs fixed * Minor modifications to the library API * Improvements to the kernel/userspace interface * Mounting by non-root made more secure * Build shared library in addition to the static one * Consolidated mount options * Optimized reading under 2.6 kernels * Direct I/O support * Support file I/O on deleted files * Extended attributes support ============================================================================ What is new in 1.3 * Thanks to user bugreports and stress testing with LTP and sfx-linux a number of bugs were fixed, some quite serious. * Fix compile problems with recent SuSE kernles ============================================================================ What is new in 1.2 * Fix mount problems on recent 2.6 kernels with SELinux enabled * Fixed writing files lager than 2GBytes * Other bugfixes ============================================================================ What is new in 1.1 * Support for the 2.6 kernels * Support for exporting filesystem over NFS in 2.6 kernels * Read efficiency improvements: read in 64k blocks instead of 4k (Michael Grigoriev). Can be turned on with '-l' option of fusermount * Lazy automatic unmount * Added 'fsync()' VFS call to the FUSE interface * Bugfixes ============================================================================ What is new in 1.0 * Cleanups and bugfixes * Added 'release()' VFS call to the FUSE interface * 64 bit file offsets (handling of > 4 GByte files) * libfuse is now under LGPL * New 'statfs' call (Mark Glines) * Cleaned up mount procedure (mostly by Mark Glines) NOTE: Binaries linked with with a previous version of libavfs may not work with the new version of the fusermount program. In such case recompile the program after installing the new libavfs library. * Fix for problems under linux kernel 2.4.19 ============================================================================ What is new in 0.95 * Optimized read/write operations. Raw throughput has increased to about 60Mbyte/s on a Celeron/360 * Python bindings by Jeff Epler * Perl bindings by Mark Glines * Improved multithreaded operation * Simplified library interface * Bugfixes ============================================================================ What is new in 0.9: * Everything fuse-2.9.7/Makefile.am0000644000175000017500000000042312732044227011452 00000000000000## Process this file with automake to produce Makefile.in ACLOCAL_AMFLAGS = -I m4 SUBDIRS = @subdirs2@ doc AUTOMAKE_OPTIONS = subdir-objects EXTRA_DIST = \ fuse.pc.in \ README* pkgconfigdir = @pkgconfigdir@ pkgconfig_DATA = fuse.pc $(pkgconfig_DATA): config.status fuse-2.9.7/configure.ac0000644000175000017500000000734612732044534011720 00000000000000AC_INIT(fuse, 2.9.7) AC_PREREQ(2.59d) AC_CONFIG_MACRO_DIR([m4]) AC_CANONICAL_TARGET AM_INIT_AUTOMAKE([foreign]) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)]) AC_CONFIG_HEADERS(include/config.h) AC_PROG_LIBTOOL AC_PROG_CC AC_PROG_MKDIR_P AM_PROG_CC_C_O case $target_os in *linux*) arch=linux;; *netbsd*) arch=netbsd;; *bsd*) arch=bsd;; *) arch=unknown;; esac if test "$ac_env_CFLAGS_set" != set; then CFLAGS="-Wall -W -Wno-sign-compare -Wstrict-prototypes -Wmissing-declarations -Wwrite-strings -g -O2 -fno-strict-aliasing" fi AC_ARG_ENABLE(lib, [ --enable-lib Compile with library ]) AC_ARG_ENABLE(util, [ --enable-util Compile with util ]) AC_ARG_ENABLE(example, [ --enable-example Compile with examples ]) AC_ARG_ENABLE(mtab, [ --disable-mtab Disable and ignore usage of /etc/mtab ]) AC_ARG_WITH(pkgconfigdir, [ --with-pkgconfigdir=DIR pkgconfig file in DIR @<:@LIBDIR/pkgconfig@:>@], [pkgconfigdir=$withval], [pkgconfigdir='${libdir}/pkgconfig']) AC_SUBST(pkgconfigdir) subdirs2="include" if test "$enable_lib" != "no"; then subdirs2="$subdirs2 lib"; fi if test "$arch" = linux -a "$enable_util" != "no"; then subdirs2="$subdirs2 util"; fi if test "$enable_example" != "no"; then subdirs2="$subdirs2 example"; fi if test "$enable_mtab" = "no"; then AC_DEFINE(IGNORE_MTAB, 1, [Don't update /etc/mtab]) fi AC_CHECK_FUNCS([fork setxattr fdatasync splice vmsplice utimensat]) AC_CHECK_FUNCS([posix_fallocate]) AC_CHECK_MEMBERS([struct stat.st_atim]) AC_CHECK_MEMBERS([struct stat.st_atimespec]) LIBS= AC_SEARCH_LIBS(dlopen, [dl]) AC_SEARCH_LIBS(clock_gettime, [rt]) libfuse_libs=$LIBS LIBS= AC_ARG_WITH([libiconv-prefix], [ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [ for dir in `echo "$withval" | tr : ' '`; do if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi done ]) AM_ICONV libfuse_libs="$libfuse_libs $LTLIBICONV" AM_CONDITIONAL(ICONV, test "$am_cv_func_iconv" = yes) AC_SUBST(libfuse_libs) if test -z "$MOUNT_FUSE_PATH"; then MOUNT_FUSE_PATH=/sbin AC_MSG_NOTICE([MOUNT_FUSE_PATH env var not set, using default $MOUNT_FUSE_PATH]) fi AC_SUBST(MOUNT_FUSE_PATH) if test -z "$UDEV_RULES_PATH"; then UDEV_RULES_PATH=/etc/udev/rules.d AC_MSG_NOTICE([UDEV_RULES_PATH env var not set, using default $UDEV_RULES_PATH]) fi AC_SUBST(UDEV_RULES_PATH) if test -z "$INIT_D_PATH"; then INIT_D_PATH=/etc/init.d AC_MSG_NOTICE([INIT_D_PATH env var not set, using default $INIT_D_PATH]) fi AC_SUBST(INIT_D_PATH) AC_SUBST(subdirs2) AM_CONDITIONAL(LINUX, test "$arch" = linux) AM_CONDITIONAL(NETBSD, test "$arch" = netbsd) AM_CONDITIONAL(BSD, test "$arch" = bsd) util_linux_ok=yes if test "$arch" = linux -a "$cross_compiling" != "yes"; then AC_MSG_CHECKING([if umount supports --fake --no-canonicalize]) # exit code of umount is 1 if option is unrecognised, 2 otherwise umount --fake --no-canonicalize > /dev/null 2>&1 if test $? != 1; then AC_MSG_RESULT([yes]) else firstline=`umount --fake --no-canonicalize 2>&1 | head -1` if test "$firstline" = 'umount: only root can use "--fake" option'; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([$firstline]) util_linux_ok=no fi fi fi AC_CONFIG_FILES([fuse.pc Makefile lib/Makefile util/Makefile example/Makefile include/Makefile doc/Makefile]) AC_OUTPUT if test "$util_linux_ok" = no; then AC_MSG_WARN([ ****************************************************************** * Please install util-linux version 2.18 or later which supports * * --fake and --no-canonicalize options in mount and umount * ******************************************************************]) fi fuse-2.9.7/missing0000755000175000017500000001533012676563542011035 00000000000000#! /bin/sh # Common wrapper for a few potentially missing GNU programs. scriptversion=2013-10-28.13; # UTC # Copyright (C) 1996-2013 Free Software Foundation, Inc. # Originally written by Fran,cois Pinard , 1996. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. if test $# -eq 0; then echo 1>&2 "Try '$0 --help' for more information" exit 1 fi case $1 in --is-lightweight) # Used by our autoconf macros to check whether the available missing # script is modern enough. exit 0 ;; --run) # Back-compat with the calling convention used by older automake. shift ;; -h|--h|--he|--hel|--help) echo "\ $0 [OPTION]... PROGRAM [ARGUMENT]... Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due to PROGRAM being missing or too old. 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Check the 'README' file, it" echo "often tells you about the needed prerequisites for installing" echo "this package. You may also peek at any GNU archive site, in" echo "case some other package contains this missing '$1' program." ;; esac } give_advice "$1" | sed -e '1s/^/WARNING: /' \ -e '2,$s/^/ /' >&2 # Propagate the correct exit status (expected to be 127 for a program # not found, 63 for a program that failed due to version mismatch). exit $st # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: fuse-2.9.7/util/0000755000175000017500000000000012732044660010455 500000000000000fuse-2.9.7/util/mount_util.c0000644000175000017500000001726112732044660012747 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include "mount_util.h" #include #include #include #include #include #include #include #include #include #include #ifndef __NetBSD__ #include #endif #include #include #include #include #ifdef __NetBSD__ #define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0) #define mtab_needs_update(mnt) 0 #else static int mtab_needs_update(const char *mnt) { int res; struct stat stbuf; /* If mtab is within new mount, don't touch it */ if (strncmp(mnt, _PATH_MOUNTED, strlen(mnt)) == 0 && _PATH_MOUNTED[strlen(mnt)] == '/') return 0; /* * Skip mtab update if /etc/mtab: * * - doesn't exist, * - is a symlink, * - is on a read-only filesystem. */ res = lstat(_PATH_MOUNTED, &stbuf); if (res == -1) { if (errno == ENOENT) return 0; } else { uid_t ruid; int err; if (S_ISLNK(stbuf.st_mode)) return 0; ruid = getuid(); if (ruid != 0) setreuid(0, -1); res = access(_PATH_MOUNTED, W_OK); err = (res == -1) ? errno : 0; if (ruid != 0) setreuid(ruid, -1); if (err == EROFS) return 0; } return 1; } #endif /* __NetBSD__ */ static int add_mount(const char *progname, const char *fsname, const char *mnt, const char *type, const char *opts) { int res; int status; sigset_t blockmask; sigset_t oldmask; sigemptyset(&blockmask); sigaddset(&blockmask, SIGCHLD); res = sigprocmask(SIG_BLOCK, &blockmask, &oldmask); if (res == -1) { fprintf(stderr, "%s: sigprocmask: %s\n", progname, strerror(errno)); return -1; } res = fork(); if (res == -1) { fprintf(stderr, "%s: fork: %s\n", progname, strerror(errno)); goto out_restore; } if (res == 0) { char *env = NULL; sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); execle("/bin/mount", "/bin/mount", "--no-canonicalize", "-i", "-f", "-t", type, "-o", opts, fsname, mnt, NULL, &env); fprintf(stderr, "%s: failed to execute /bin/mount: %s\n", progname, strerror(errno)); exit(1); } res = waitpid(res, &status, 0); if (res == -1) fprintf(stderr, "%s: waitpid: %s\n", progname, strerror(errno)); if (status != 0) res = -1; out_restore: sigprocmask(SIG_SETMASK, &oldmask, NULL); return res; } int fuse_mnt_add_mount(const char *progname, const char *fsname, const char *mnt, const char *type, const char *opts) { if (!mtab_needs_update(mnt)) return 0; return add_mount(progname, fsname, mnt, type, opts); } static int exec_umount(const char *progname, const char *rel_mnt, int lazy) { int res; int status; sigset_t blockmask; sigset_t oldmask; sigemptyset(&blockmask); sigaddset(&blockmask, SIGCHLD); res = sigprocmask(SIG_BLOCK, &blockmask, &oldmask); if (res == -1) { fprintf(stderr, "%s: sigprocmask: %s\n", progname, strerror(errno)); return -1; } res = fork(); if (res == -1) { fprintf(stderr, "%s: fork: %s\n", progname, strerror(errno)); goto out_restore; } if (res == 0) { char *env = NULL; sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); if (lazy) { execle("/bin/umount", "/bin/umount", "-i", rel_mnt, "-l", NULL, &env); } else { execle("/bin/umount", "/bin/umount", "-i", rel_mnt, NULL, &env); } fprintf(stderr, "%s: failed to execute /bin/umount: %s\n", progname, strerror(errno)); exit(1); } res = waitpid(res, &status, 0); if (res == -1) fprintf(stderr, "%s: waitpid: %s\n", progname, strerror(errno)); if (status != 0) { res = -1; } out_restore: sigprocmask(SIG_SETMASK, &oldmask, NULL); return res; } int fuse_mnt_umount(const char *progname, const char *abs_mnt, const char *rel_mnt, int lazy) { int res; if (!mtab_needs_update(abs_mnt)) { res = umount2(rel_mnt, lazy ? 2 : 0); if (res == -1) fprintf(stderr, "%s: failed to unmount %s: %s\n", progname, abs_mnt, strerror(errno)); return res; } return exec_umount(progname, rel_mnt, lazy); } static int remove_mount(const char *progname, const char *mnt) { int res; int status; sigset_t blockmask; sigset_t oldmask; sigemptyset(&blockmask); sigaddset(&blockmask, SIGCHLD); res = sigprocmask(SIG_BLOCK, &blockmask, &oldmask); if (res == -1) { fprintf(stderr, "%s: sigprocmask: %s\n", progname, strerror(errno)); return -1; } res = fork(); if (res == -1) { fprintf(stderr, "%s: fork: %s\n", progname, strerror(errno)); goto out_restore; } if (res == 0) { char *env = NULL; sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); execle("/bin/umount", "/bin/umount", "--no-canonicalize", "-i", "--fake", mnt, NULL, &env); fprintf(stderr, "%s: failed to execute /bin/umount: %s\n", progname, strerror(errno)); exit(1); } res = waitpid(res, &status, 0); if (res == -1) fprintf(stderr, "%s: waitpid: %s\n", progname, strerror(errno)); if (status != 0) res = -1; out_restore: sigprocmask(SIG_SETMASK, &oldmask, NULL); return res; } int fuse_mnt_remove_mount(const char *progname, const char *mnt) { if (!mtab_needs_update(mnt)) return 0; return remove_mount(progname, mnt); } char *fuse_mnt_resolve_path(const char *progname, const char *orig) { char buf[PATH_MAX]; char *copy; char *dst; char *end; char *lastcomp; const char *toresolv; if (!orig[0]) { fprintf(stderr, "%s: invalid mountpoint '%s'\n", progname, orig); return NULL; } copy = strdup(orig); if (copy == NULL) { fprintf(stderr, "%s: failed to allocate memory\n", progname); return NULL; } toresolv = copy; lastcomp = NULL; for (end = copy + strlen(copy) - 1; end > copy && *end == '/'; end --); if (end[0] != '/') { char *tmp; end[1] = '\0'; tmp = strrchr(copy, '/'); if (tmp == NULL) { lastcomp = copy; toresolv = "."; } else { lastcomp = tmp + 1; if (tmp == copy) toresolv = "/"; } if (strcmp(lastcomp, ".") == 0 || strcmp(lastcomp, "..") == 0) { lastcomp = NULL; toresolv = copy; } else if (tmp) tmp[0] = '\0'; } if (realpath(toresolv, buf) == NULL) { fprintf(stderr, "%s: bad mount point %s: %s\n", progname, orig, strerror(errno)); free(copy); return NULL; } if (lastcomp == NULL) dst = strdup(buf); else { dst = (char *) malloc(strlen(buf) + 1 + strlen(lastcomp) + 1); if (dst) { unsigned buflen = strlen(buf); if (buflen && buf[buflen-1] == '/') sprintf(dst, "%s%s", buf, lastcomp); else sprintf(dst, "%s/%s", buf, lastcomp); } } free(copy); if (dst == NULL) fprintf(stderr, "%s: failed to allocate memory\n", progname); return dst; } int fuse_mnt_check_empty(const char *progname, const char *mnt, mode_t rootmode, off_t rootsize) { int isempty = 1; if (S_ISDIR(rootmode)) { struct dirent *ent; DIR *dp = opendir(mnt); if (dp == NULL) { fprintf(stderr, "%s: failed to open mountpoint for reading: %s\n", progname, strerror(errno)); return -1; } while ((ent = readdir(dp)) != NULL) { if (strcmp(ent->d_name, ".") != 0 && strcmp(ent->d_name, "..") != 0) { isempty = 0; break; } } closedir(dp); 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then \ echo "/usr/sbin/update-rc.d fuse remove || true"; \ /usr/sbin/update-rc.d fuse remove || true; \ fi fuse-2.9.7/util/init_script0000755000175000017500000000354512645752413012666 00000000000000#! /bin/sh ### BEGIN INIT INFO # Provides: fuse # Required-Start: # Should-Start: udev # Required-Stop: # Default-Start: S # Default-Stop: # Short-Description: Start and stop fuse. # Description: Load the fuse module and mount the fuse control # filesystem. ### END INIT INFO set -e PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin MOUNTPOINT=/sys/fs/fuse/connections # Gracefully exit if the package has been removed. which fusermount &>/dev/null || exit 5 case "$1" in start|restart|force-reload) if ! grep -qw fuse /proc/filesystems; then echo -n "Loading fuse module" if ! modprobe fuse >/dev/null 2>&1; then echo " failed!" exit 1 else echo "." fi else echo "Fuse filesystem already available." fi if grep -qw fusectl /proc/filesystems && \ ! grep -qw $MOUNTPOINT /proc/mounts; then echo -n "Mounting fuse control filesystem" if ! mount -t fusectl fusectl $MOUNTPOINT >/dev/null 2>&1; then echo " failed!" exit 1 else echo "." fi else echo "Fuse control filesystem already available." fi ;; stop) if ! grep -qw fuse /proc/filesystems; then echo "Fuse filesystem not loaded." exit 7 fi if grep -qw $MOUNTPOINT /proc/mounts; then echo -n "Unmounting fuse control filesystem" if ! umount $MOUNTPOINT >/dev/null 2>&1; then echo " failed!" else echo "." fi else echo "Fuse control filesystem not mounted." fi if grep -qw "^fuse" /proc/modules; then echo -n "Unloading fuse module" if ! rmmod fuse >/dev/null 2>&1; then echo " failed!" else echo "." fi else echo "Fuse module not loaded." fi ;; status) echo -n "Checking fuse filesystem" if ! grep -qw fuse /proc/filesystems; then echo " not available." exit 3 else echo " ok." fi ;; *) echo "Usage: $0 {start|stop|restart|force-reload|status}" exit 1 ;; esac exit 0 fuse-2.9.7/util/ulockmgr_server.c0000644000175000017500000001777612732044227013773 00000000000000/* ulockmgr_server: Userspace Lock Manager Server Copyright (C) 2006 Miklos Szeredi This program can be distributed under the terms of the GNU GPL. See the file COPYING. */ /* #define DEBUG 1 */ #include #include #include #include #include #include #include #include #include #include #include #include #include struct message { unsigned intr : 1; unsigned nofd : 1; pthread_t thr; int cmd; int fd; struct flock lock; int error; }; struct fd_store { struct fd_store *next; int fd; int origfd; int inuse; }; struct owner { struct fd_store *fds; pthread_mutex_t lock; }; struct req_data { struct owner *o; int cfd; struct fd_store *f; struct message msg; }; #define MAX_SEND_FDS 2 static int receive_message(int sock, void *buf, size_t buflen, int *fdp, int *numfds) { struct msghdr msg; struct iovec iov; size_t ccmsg[CMSG_SPACE(sizeof(int) * MAX_SEND_FDS) / sizeof(size_t)]; struct cmsghdr *cmsg; int res; int i; assert(*numfds <= MAX_SEND_FDS); iov.iov_base = buf; iov.iov_len = buflen; memset(&msg, 0, sizeof(msg)); memset(ccmsg, -1, sizeof(ccmsg)); msg.msg_iov = &iov; msg.msg_iovlen = 1; msg.msg_control = ccmsg; msg.msg_controllen = sizeof(ccmsg); res = recvmsg(sock, &msg, MSG_WAITALL); if (!res) { /* retry on zero return, see do_recv() in ulockmgr.c */ res = recvmsg(sock, &msg, MSG_WAITALL); if (!res) return 0; } if (res == -1) { perror("ulockmgr_server: recvmsg"); return -1; } if ((size_t) res != buflen) { fprintf(stderr, "ulockmgr_server: short message received\n"); return -1; } cmsg = CMSG_FIRSTHDR(&msg); if (cmsg) { if (cmsg->cmsg_type != SCM_RIGHTS) { fprintf(stderr, "ulockmgr_server: unknown control message %d\n", cmsg->cmsg_type); return -1; } memcpy(fdp, CMSG_DATA(cmsg), sizeof(int) * *numfds); if (msg.msg_flags & MSG_CTRUNC) { fprintf(stderr, "ulockmgr_server: control message truncated\n"); for (i = 0; i < *numfds; i++) close(fdp[i]); *numfds = 0; } } else { if (msg.msg_flags & MSG_CTRUNC) { fprintf(stderr, "ulockmgr_server: control message truncated(*)\n"); /* There's a bug in the Linux kernel, that if not all file descriptors were allocated, then the cmsg header is not filled in */ cmsg = (struct cmsghdr *) ccmsg; memcpy(fdp, CMSG_DATA(cmsg), sizeof(int) * *numfds); for (i = 0; i < *numfds; i++) close(fdp[i]); } *numfds = 0; } return res; } static int closefrom(int minfd) { DIR *dir = opendir("/proc/self/fd"); if (dir) { int dfd = dirfd(dir); struct dirent *ent; while ((ent = readdir(dir))) { char *end; int fd = strtol(ent->d_name, &end, 10); if (ent->d_name[0] && !end[0] && fd >= minfd && fd != dfd) close(fd); } closedir(dir); } return 0; } static void send_reply(int cfd, struct message *msg) { int res = send(cfd, msg, sizeof(struct message), MSG_NOSIGNAL); if (res == -1) perror("ulockmgr_server: sending reply"); #ifdef DEBUG fprintf(stderr, "ulockmgr_server: error: %i\n", msg->error); #endif } static void *process_request(void *d_) { struct req_data *d = d_; int res; assert(d->msg.cmd == F_SETLKW); res = fcntl(d->f->fd, F_SETLK, &d->msg.lock); if (res == -1 && errno == EAGAIN) { d->msg.error = EAGAIN; d->msg.thr = pthread_self(); send_reply(d->cfd, &d->msg); res = fcntl(d->f->fd, F_SETLKW, &d->msg.lock); } d->msg.error = (res == -1) ? errno : 0; pthread_mutex_lock(&d->o->lock); d->f->inuse--; pthread_mutex_unlock(&d->o->lock); send_reply(d->cfd, &d->msg); close(d->cfd); free(d); return NULL; } static void process_message(struct owner *o, struct message *msg, int cfd, int fd) { struct fd_store *f = NULL; struct fd_store *newf = NULL; struct fd_store **fp; struct req_data *d; pthread_t tid; int res; #ifdef DEBUG fprintf(stderr, "ulockmgr_server: %i %i %i %lli %lli\n", msg->cmd, msg->lock.l_type, msg->lock.l_whence, msg->lock.l_start, msg->lock.l_len); #endif if (msg->cmd == F_SETLK && msg->lock.l_type == F_UNLCK && msg->lock.l_start == 0 && msg->lock.l_len == 0) { for (fp = &o->fds; *fp;) { f = *fp; if (f->origfd == msg->fd && !f->inuse) { close(f->fd); *fp = f->next; free(f); } else fp = &f->next; } if (!msg->nofd) close(fd); msg->error = 0; send_reply(cfd, msg); close(cfd); return; } if (msg->nofd) { for (fp = &o->fds; *fp; fp = &(*fp)->next) { f = *fp; if (f->origfd == msg->fd) break; } if (!*fp) { fprintf(stderr, "ulockmgr_server: fd %i not found\n", msg->fd); msg->error = EIO; send_reply(cfd, msg); close(cfd); return; } } else { newf = f = malloc(sizeof(struct fd_store)); if (!f) { msg->error = ENOLCK; send_reply(cfd, msg); close(cfd); return; } f->fd = fd; f->origfd = msg->fd; f->inuse = 0; } if (msg->cmd == F_GETLK || msg->cmd == F_SETLK || msg->lock.l_type == F_UNLCK) { res = fcntl(f->fd, msg->cmd, &msg->lock); msg->error = (res == -1) ? errno : 0; send_reply(cfd, msg); close(cfd); if (newf) { newf->next = o->fds; o->fds = newf; } return; } d = malloc(sizeof(struct req_data)); if (!d) { msg->error = ENOLCK; send_reply(cfd, msg); close(cfd); free(newf); return; } f->inuse++; d->o = o; d->cfd = cfd; d->f = f; d->msg = *msg; res = pthread_create(&tid, NULL, process_request, d); if (res) { msg->error = ENOLCK; send_reply(cfd, msg); close(cfd); free(d); f->inuse--; free(newf); return; } if (newf) { newf->next = o->fds; o->fds = newf; } pthread_detach(tid); } static void sigusr1_handler(int sig) { (void) sig; /* Nothing to do */ } static void process_owner(int cfd) { struct owner o; struct sigaction sa; memset(&sa, 0, sizeof(struct sigaction)); sa.sa_handler = sigusr1_handler; sigemptyset(&sa.sa_mask); if (sigaction(SIGUSR1, &sa, NULL) == -1) { perror("ulockmgr_server: cannot set sigusr1 signal handler"); exit(1); } memset(&o, 0, sizeof(struct owner)); pthread_mutex_init(&o.lock, NULL); while (1) { struct message msg; int rfds[2]; int res; int numfds = 2; res = receive_message(cfd, &msg, sizeof(msg), rfds, &numfds); if (!res) break; if (res == -1) exit(1); if (msg.intr) { if (numfds != 0) fprintf(stderr, "ulockmgr_server: too many fds for intr\n"); pthread_kill(msg.thr, SIGUSR1); } else { if (numfds != 2) continue; pthread_mutex_lock(&o.lock); process_message(&o, &msg, rfds[0], rfds[1]); pthread_mutex_unlock(&o.lock); } } if (o.fds) fprintf(stderr, "ulockmgr_server: open file descriptors on exit\n"); } int main(int argc, char *argv[]) { int nullfd; char *end; int cfd; sigset_t empty; if (argc != 2 || !argv[1][0]) goto out_inval; cfd = strtol(argv[1], &end, 10); if (*end) goto out_inval; /* demonize current process */ switch(fork()) { case -1: perror("ulockmgr_server: fork"); exit(1); case 0: break; default: _exit(0); } if (setsid() == -1) { perror("ulockmgr_server: setsid"); exit(1); } (void) chdir("/"); sigemptyset(&empty); sigprocmask(SIG_SETMASK, &empty, NULL); if (dup2(cfd, 4) == -1) { perror("ulockmgr_server: dup2"); exit(1); } cfd = 4; nullfd = open("/dev/null", O_RDWR); if (nullfd >= 0) { dup2(nullfd, 0); dup2(nullfd, 1); } close(3); closefrom(5); while (1) { char c; int sock; int pid; int numfds = 1; int res = receive_message(cfd, &c, sizeof(c), &sock, &numfds); if (!res) break; if (res == -1) exit(1); assert(numfds == 1); pid = fork(); if (pid == -1) { perror("ulockmgr_server: fork"); close(sock); continue; } if (pid == 0) { close(cfd); pid = fork(); if (pid == -1) { perror("ulockmgr_server: fork"); _exit(1); } if (pid == 0) process_owner(sock); _exit(0); } waitpid(pid, NULL, 0); close(sock); } return 0; out_inval: fprintf(stderr, "%s should be started by libulockmgr\n", argv[0]); return 1; } fuse-2.9.7/util/fusermount.c0000644000175000017500000007051612732044227012760 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU GPL. See the file COPYING. */ /* This program does the mounting and unmounting of FUSE filesystems */ #define _GNU_SOURCE /* for clone */ #include #include "mount_util.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define FUSE_COMMFD_ENV "_FUSE_COMMFD" #define FUSE_DEV_OLD "/proc/fs/fuse/dev" #define FUSE_DEV_NEW "/dev/fuse" #define FUSE_VERSION_FILE_OLD "/proc/fs/fuse/version" #define FUSE_CONF "/etc/fuse.conf" #ifndef MS_DIRSYNC #define MS_DIRSYNC 128 #endif #ifndef MS_REC #define MS_REC 16384 #endif #ifndef MS_PRIVATE #define MS_PRIVATE (1<<18) #endif #ifndef UMOUNT_DETACH #define UMOUNT_DETACH 0x00000002 /* Just detach from the tree */ #endif #ifndef UMOUNT_NOFOLLOW #define UMOUNT_NOFOLLOW 0x00000008 /* Don't follow symlink on umount */ #endif #ifndef UMOUNT_UNUSED #define UMOUNT_UNUSED 0x80000000 /* Flag guaranteed to be unused */ #endif static const char *progname; static int user_allow_other = 0; static int mount_max = 1000; static int auto_unmount = 0; static const char *get_user_name(void) { struct passwd *pw = getpwuid(getuid()); if (pw != NULL && pw->pw_name != NULL) return pw->pw_name; else { fprintf(stderr, "%s: could not determine username\n", progname); return NULL; } } static uid_t oldfsuid; static gid_t oldfsgid; static void drop_privs(void) { if (getuid() != 0) { oldfsuid = setfsuid(getuid()); oldfsgid = setfsgid(getgid()); } } static void restore_privs(void) { if (getuid() != 0) { setfsuid(oldfsuid); setfsgid(oldfsgid); } } #ifndef IGNORE_MTAB /* * Make sure that /etc/mtab is checked and updated atomically */ static int lock_umount(void) { const char *mtab_lock = _PATH_MOUNTED ".fuselock"; int mtablock; int res; struct stat mtab_stat; /* /etc/mtab could be a symlink to /proc/mounts */ if (lstat(_PATH_MOUNTED, &mtab_stat) == 0 && S_ISLNK(mtab_stat.st_mode)) return -1; mtablock = open(mtab_lock, O_RDWR | O_CREAT, 0600); if (mtablock == -1) { fprintf(stderr, "%s: unable to open fuse lock file: %s\n", progname, strerror(errno)); return -1; } res = lockf(mtablock, F_LOCK, 0); if (res < 0) { fprintf(stderr, "%s: error getting lock: %s\n", progname, strerror(errno)); close(mtablock); return -1; } return mtablock; } static void unlock_umount(int mtablock) { if (mtablock >= 0) { int res; res = lockf(mtablock, F_ULOCK, 0); if (res < 0) { fprintf(stderr, "%s: error releasing lock: %s\n", progname, strerror(errno)); } close(mtablock); } } static int add_mount(const char *source, const char *mnt, const char *type, const char *opts) { return fuse_mnt_add_mount(progname, source, mnt, type, opts); } static int may_unmount(const char *mnt, int quiet) { struct mntent *entp; FILE *fp; const char *user = NULL; char uidstr[32]; unsigned uidlen = 0; int found; const char *mtab = _PATH_MOUNTED; user = get_user_name(); if (user == NULL) return -1; fp = setmntent(mtab, "r"); if (fp == NULL) { fprintf(stderr, "%s: failed to open %s: %s\n", progname, mtab, strerror(errno)); return -1; } uidlen = sprintf(uidstr, "%u", getuid()); found = 0; while ((entp = getmntent(fp)) != NULL) { if (!found && strcmp(entp->mnt_dir, mnt) == 0 && (strcmp(entp->mnt_type, "fuse") == 0 || strcmp(entp->mnt_type, "fuseblk") == 0 || strncmp(entp->mnt_type, "fuse.", 5) == 0 || strncmp(entp->mnt_type, "fuseblk.", 8) == 0)) { char *p = strstr(entp->mnt_opts, "user="); if (p && (p == entp->mnt_opts || *(p-1) == ',') && strcmp(p + 5, user) == 0) { found = 1; break; } /* /etc/mtab is a link pointing to /proc/mounts: */ else if ((p = strstr(entp->mnt_opts, "user_id=")) && (p == entp->mnt_opts || *(p-1) == ',') && strncmp(p + 8, uidstr, uidlen) == 0 && (*(p+8+uidlen) == ',' || *(p+8+uidlen) == '\0')) { found = 1; break; } } } endmntent(fp); if (!found) { if (!quiet) fprintf(stderr, "%s: entry for %s not found in %s\n", progname, mnt, mtab); return -1; } return 0; } /* * Check whether the file specified in "fusermount -u" is really a * mountpoint and not a symlink. This is necessary otherwise the user * could move the mountpoint away and replace it with a symlink * pointing to an arbitrary mount, thereby tricking fusermount into * unmounting that (umount(2) will follow symlinks). * * This is the child process running in a separate mount namespace, so * we don't mess with the global namespace and if the process is * killed for any reason, mounts are automatically cleaned up. * * First make sure nothing is propagated back into the parent * namespace by marking all mounts "private". * * Then bind mount parent onto a stable base where the user can't move * it around. * * Finally check /proc/mounts for an entry matching the requested * mountpoint. If it's found then we are OK, and the user can't move * it around within the parent directory as rename() will return * EBUSY. Be careful to ignore any mounts that existed before the * bind. */ static int check_is_mount_child(void *p) { const char **a = p; const char *last = a[0]; const char *mnt = a[1]; int res; const char *procmounts = "/proc/mounts"; int found; FILE *fp; struct mntent *entp; int count; res = mount("", "/", "", MS_PRIVATE | MS_REC, NULL); if (res == -1) { fprintf(stderr, "%s: failed to mark mounts private: %s\n", progname, strerror(errno)); return 1; } fp = setmntent(procmounts, "r"); if (fp == NULL) { fprintf(stderr, "%s: failed to open %s: %s\n", progname, procmounts, strerror(errno)); return 1; } count = 0; while (getmntent(fp) != NULL) count++; endmntent(fp); fp = setmntent(procmounts, "r"); if (fp == NULL) { fprintf(stderr, "%s: failed to open %s: %s\n", progname, procmounts, strerror(errno)); return 1; } res = mount(".", "/", "", MS_BIND | MS_REC, NULL); if (res == -1) { fprintf(stderr, "%s: failed to bind parent to /: %s\n", progname, strerror(errno)); return 1; } found = 0; while ((entp = getmntent(fp)) != NULL) { if (count > 0) { count--; continue; } if (entp->mnt_dir[0] == '/' && strcmp(entp->mnt_dir + 1, last) == 0) { found = 1; break; } } endmntent(fp); if (!found) { fprintf(stderr, "%s: %s not mounted\n", progname, mnt); return 1; } return 0; } static pid_t clone_newns(void *a) { char buf[131072]; char *stack = buf + (sizeof(buf) / 2 - ((size_t) buf & 15)); #ifdef __ia64__ extern int __clone2(int (*fn)(void *), void *child_stack_base, size_t stack_size, int flags, void *arg, pid_t *ptid, void *tls, pid_t *ctid); return __clone2(check_is_mount_child, stack, sizeof(buf) / 2, CLONE_NEWNS, a, NULL, NULL, NULL); #else return clone(check_is_mount_child, stack, CLONE_NEWNS, a); #endif } static int check_is_mount(const char *last, const char *mnt) { pid_t pid, p; int status; const char *a[2] = { last, mnt }; pid = clone_newns((void *) a); if (pid == (pid_t) -1) { fprintf(stderr, "%s: failed to clone namespace: %s\n", progname, strerror(errno)); return -1; } p = waitpid(pid, &status, __WCLONE); if (p == (pid_t) -1) { fprintf(stderr, "%s: waitpid failed: %s\n", progname, strerror(errno)); return -1; } if (!WIFEXITED(status)) { fprintf(stderr, "%s: child terminated abnormally (status %i)\n", progname, status); return -1; } if (WEXITSTATUS(status) != 0) return -1; return 0; } static int chdir_to_parent(char *copy, const char **lastp) { char *tmp; const char *parent; char buf[65536]; int res; tmp = strrchr(copy, '/'); if (tmp == NULL || tmp[1] == '\0') { fprintf(stderr, "%s: internal error: invalid abs path: <%s>\n", progname, copy); return -1; } if (tmp != copy) { *tmp = '\0'; parent = copy; *lastp = tmp + 1; } else if (tmp[1] != '\0') { *lastp = tmp + 1; parent = "/"; } else { *lastp = "."; parent = "/"; } res = chdir(parent); if (res == -1) { fprintf(stderr, "%s: failed to chdir to %s: %s\n", progname, parent, strerror(errno)); return -1; } if (getcwd(buf, sizeof(buf)) == NULL) { fprintf(stderr, "%s: failed to obtain current directory: %s\n", progname, strerror(errno)); return -1; } if (strcmp(buf, parent) != 0) { fprintf(stderr, "%s: mountpoint moved (%s -> %s)\n", progname, parent, buf); return -1; } return 0; } /* Check whether the kernel supports UMOUNT_NOFOLLOW flag */ static int umount_nofollow_support(void) { int res = umount2("", UMOUNT_UNUSED); if (res != -1 || errno != EINVAL) return 0; res = umount2("", UMOUNT_NOFOLLOW); if (res != -1 || errno != ENOENT) return 0; return 1; } static int unmount_fuse_locked(const char *mnt, int quiet, int lazy) { int res; char *copy; const char *last; int umount_flags = lazy ? UMOUNT_DETACH : 0; if (getuid() != 0) { res = may_unmount(mnt, quiet); if (res == -1) return -1; } copy = strdup(mnt); if (copy == NULL) { fprintf(stderr, "%s: failed to allocate memory\n", progname); return -1; } res = chdir_to_parent(copy, &last); if (res == -1) goto out; if (umount_nofollow_support()) { umount_flags |= UMOUNT_NOFOLLOW; } else { res = check_is_mount(last, mnt); if (res == -1) goto out; } res = umount2(last, umount_flags); if (res == -1 && !quiet) { fprintf(stderr, "%s: failed to unmount %s: %s\n", progname, mnt, strerror(errno)); } out: if (res == -1) return -1; res = chdir("/"); if (res == -1) { fprintf(stderr, "%s: failed to chdir to '/'\n", progname); return -1; } return fuse_mnt_remove_mount(progname, mnt); } static int unmount_fuse(const char *mnt, int quiet, int lazy) { int res; int mtablock = lock_umount(); res = unmount_fuse_locked(mnt, quiet, lazy); unlock_umount(mtablock); return res; } static int count_fuse_fs(void) { struct mntent *entp; int count = 0; const char *mtab = _PATH_MOUNTED; FILE *fp = setmntent(mtab, "r"); if (fp == NULL) { fprintf(stderr, "%s: failed to open %s: %s\n", progname, mtab, strerror(errno)); return -1; } while ((entp = getmntent(fp)) != NULL) { if (strcmp(entp->mnt_type, "fuse") == 0 || strncmp(entp->mnt_type, "fuse.", 5) == 0) count ++; } endmntent(fp); return count; } #else /* IGNORE_MTAB */ static int count_fuse_fs() { return 0; } static int add_mount(const char *source, const char *mnt, const char *type, const char *opts) { (void) source; (void) mnt; (void) type; (void) opts; return 0; } static int unmount_fuse(const char *mnt, int quiet, int lazy) { return fuse_mnt_umount(progname, mnt, mnt, lazy); } #endif /* IGNORE_MTAB */ static void strip_line(char *line) { char *s = strchr(line, '#'); if (s != NULL) s[0] = '\0'; for (s = line + strlen(line) - 1; s >= line && isspace((unsigned char) *s); s--); s[1] = '\0'; for (s = line; isspace((unsigned char) *s); s++); if (s != line) memmove(line, s, strlen(s)+1); } static void parse_line(char *line, int linenum) { int tmp; if (strcmp(line, "user_allow_other") == 0) user_allow_other = 1; else if (sscanf(line, "mount_max = %i", &tmp) == 1) mount_max = tmp; else if(line[0]) fprintf(stderr, "%s: unknown parameter in %s at line %i: '%s'\n", progname, FUSE_CONF, linenum, line); } static void read_conf(void) { FILE *fp = fopen(FUSE_CONF, "r"); if (fp != NULL) { int linenum = 1; char line[256]; int isnewline = 1; while (fgets(line, sizeof(line), fp) != NULL) { if (isnewline) { if (line[strlen(line)-1] == '\n') { strip_line(line); parse_line(line, linenum); } else { isnewline = 0; } } else if(line[strlen(line)-1] == '\n') { fprintf(stderr, "%s: reading %s: line %i too long\n", progname, FUSE_CONF, linenum); isnewline = 1; } if (isnewline) linenum ++; } if (!isnewline) { fprintf(stderr, "%s: reading %s: missing newline at end of file\n", progname, FUSE_CONF); } fclose(fp); } else if (errno != ENOENT) { fprintf(stderr, "%s: failed to open %s: %s\n", progname, FUSE_CONF, strerror(errno)); } } static int begins_with(const char *s, const char *beg) { if (strncmp(s, beg, strlen(beg)) == 0) return 1; else return 0; } struct mount_flags { const char *opt; unsigned long flag; int on; int safe; }; static struct mount_flags mount_flags[] = { {"rw", MS_RDONLY, 0, 1}, {"ro", MS_RDONLY, 1, 1}, {"suid", MS_NOSUID, 0, 0}, {"nosuid", MS_NOSUID, 1, 1}, {"dev", MS_NODEV, 0, 0}, {"nodev", MS_NODEV, 1, 1}, {"exec", MS_NOEXEC, 0, 1}, {"noexec", MS_NOEXEC, 1, 1}, {"async", MS_SYNCHRONOUS, 0, 1}, {"sync", MS_SYNCHRONOUS, 1, 1}, {"atime", MS_NOATIME, 0, 1}, {"noatime", MS_NOATIME, 1, 1}, {"dirsync", MS_DIRSYNC, 1, 1}, {NULL, 0, 0, 0} }; static int find_mount_flag(const char *s, unsigned len, int *on, int *flag) { int i; for (i = 0; mount_flags[i].opt != NULL; i++) { const char *opt = mount_flags[i].opt; if (strlen(opt) == len && strncmp(opt, s, len) == 0) { *on = mount_flags[i].on; *flag = mount_flags[i].flag; if (!mount_flags[i].safe && getuid() != 0) { *flag = 0; fprintf(stderr, "%s: unsafe option %s ignored\n", progname, opt); } return 1; } } return 0; } static int add_option(char **optsp, const char *opt, unsigned expand) { char *newopts; if (*optsp == NULL) newopts = strdup(opt); else { unsigned oldsize = strlen(*optsp); unsigned newsize = oldsize + 1 + strlen(opt) + expand + 1; newopts = (char *) realloc(*optsp, newsize); if (newopts) sprintf(newopts + oldsize, ",%s", opt); } if (newopts == NULL) { fprintf(stderr, "%s: failed to allocate memory\n", progname); return -1; } *optsp = newopts; return 0; } static int get_mnt_opts(int flags, char *opts, char **mnt_optsp) { int i; int l; if (!(flags & MS_RDONLY) && add_option(mnt_optsp, "rw", 0) == -1) return -1; for (i = 0; mount_flags[i].opt != NULL; i++) { if (mount_flags[i].on && (flags & mount_flags[i].flag) && add_option(mnt_optsp, mount_flags[i].opt, 0) == -1) return -1; } if (add_option(mnt_optsp, opts, 0) == -1) return -1; /* remove comma from end of opts*/ l = strlen(*mnt_optsp); if ((*mnt_optsp)[l-1] == ',') (*mnt_optsp)[l-1] = '\0'; if (getuid() != 0) { const char *user = get_user_name(); if (user == NULL) return -1; if (add_option(mnt_optsp, "user=", strlen(user)) == -1) return -1; strcat(*mnt_optsp, user); } return 0; } static int opt_eq(const char *s, unsigned len, const char *opt) { if(strlen(opt) == len && strncmp(s, opt, len) == 0) return 1; else return 0; } static int get_string_opt(const char *s, unsigned len, const char *opt, char **val) { int i; unsigned opt_len = strlen(opt); char *d; if (*val) free(*val); *val = (char *) malloc(len - opt_len + 1); if (!*val) { fprintf(stderr, "%s: failed to allocate memory\n", progname); return 0; } d = *val; s += opt_len; len -= opt_len; for (i = 0; i < len; i++) { if (s[i] == '\\' && i + 1 < len) i++; *d++ = s[i]; } *d = '\0'; return 1; } static int do_mount(const char *mnt, char **typep, mode_t rootmode, int fd, const char *opts, const char *dev, char **sourcep, char **mnt_optsp, off_t rootsize) { int res; int flags = MS_NOSUID | MS_NODEV; char *optbuf; char *mnt_opts = NULL; const char *s; char *d; char *fsname = NULL; char *subtype = NULL; char *source = NULL; char *type = NULL; int check_empty = 1; int blkdev = 0; optbuf = (char *) malloc(strlen(opts) + 128); if (!optbuf) { fprintf(stderr, "%s: failed to allocate memory\n", progname); return -1; } for (s = opts, d = optbuf; *s;) { unsigned len; const char *fsname_str = "fsname="; const char *subtype_str = "subtype="; for (len = 0; s[len]; len++) { if (s[len] == '\\' && s[len + 1]) len++; else if (s[len] == ',') break; } if (begins_with(s, fsname_str)) { if (!get_string_opt(s, len, fsname_str, &fsname)) goto err; } else if (begins_with(s, subtype_str)) { if (!get_string_opt(s, len, subtype_str, &subtype)) goto err; } else if (opt_eq(s, len, "blkdev")) { if (getuid() != 0) { fprintf(stderr, "%s: option blkdev is privileged\n", progname); goto err; } blkdev = 1; } else if (opt_eq(s, len, "nonempty")) { check_empty = 0; } else if (opt_eq(s, len, "auto_unmount")) { auto_unmount = 1; } else if (!begins_with(s, "fd=") && !begins_with(s, "rootmode=") && !begins_with(s, "user_id=") && !begins_with(s, "group_id=")) { int on; int flag; int skip_option = 0; if (opt_eq(s, len, "large_read")) { struct utsname utsname; unsigned kmaj, kmin; res = uname(&utsname); if (res == 0 && sscanf(utsname.release, "%u.%u", &kmaj, &kmin) == 2 && (kmaj > 2 || (kmaj == 2 && kmin > 4))) { fprintf(stderr, "%s: note: 'large_read' mount option is deprecated for %i.%i kernels\n", progname, kmaj, kmin); skip_option = 1; } } if (getuid() != 0 && !user_allow_other && (opt_eq(s, len, "allow_other") || opt_eq(s, len, "allow_root"))) { fprintf(stderr, "%s: option %.*s only allowed if 'user_allow_other' is set in /etc/fuse.conf\n", progname, len, s); goto err; } if (!skip_option) { if (find_mount_flag(s, len, &on, &flag)) { if (on) flags |= flag; else flags &= ~flag; } else { memcpy(d, s, len); d += len; *d++ = ','; } } } s += len; if (*s) s++; } *d = '\0'; res = get_mnt_opts(flags, optbuf, &mnt_opts); if (res == -1) goto err; sprintf(d, "fd=%i,rootmode=%o,user_id=%u,group_id=%u", fd, rootmode, getuid(), getgid()); if (check_empty && fuse_mnt_check_empty(progname, mnt, rootmode, rootsize) == -1) goto err; source = malloc((fsname ? strlen(fsname) : 0) + (subtype ? strlen(subtype) : 0) + strlen(dev) + 32); type = malloc((subtype ? strlen(subtype) : 0) + 32); if (!type || !source) { fprintf(stderr, "%s: failed to allocate memory\n", progname); goto err; } if (subtype) sprintf(type, "%s.%s", blkdev ? "fuseblk" : "fuse", subtype); else strcpy(type, blkdev ? "fuseblk" : "fuse"); if (fsname) strcpy(source, fsname); else strcpy(source, subtype ? subtype : dev); res = mount(source, mnt, type, flags, optbuf); if (res == -1 && errno == ENODEV && subtype) { /* Probably missing subtype support */ strcpy(type, blkdev ? "fuseblk" : "fuse"); if (fsname) { if (!blkdev) sprintf(source, "%s#%s", subtype, fsname); } else { strcpy(source, type); } res = mount(source, mnt, type, flags, optbuf); } if (res == -1 && errno == EINVAL) { /* It could be an old version not supporting group_id */ sprintf(d, "fd=%i,rootmode=%o,user_id=%u", fd, rootmode, getuid()); res = mount(source, mnt, type, flags, optbuf); } if (res == -1) { int errno_save = errno; if (blkdev && errno == ENODEV && !fuse_mnt_check_fuseblk()) fprintf(stderr, "%s: 'fuseblk' support missing\n", progname); else fprintf(stderr, "%s: mount failed: %s\n", progname, strerror(errno_save)); goto err; } *sourcep = source; *typep = type; *mnt_optsp = mnt_opts; free(fsname); free(optbuf); return 0; err: free(fsname); free(subtype); free(source); free(type); free(mnt_opts); free(optbuf); return -1; } static int check_version(const char *dev) { int res; int majorver; int minorver; const char *version_file; FILE *vf; if (strcmp(dev, FUSE_DEV_OLD) != 0) return 0; version_file = FUSE_VERSION_FILE_OLD; vf = fopen(version_file, "r"); if (vf == NULL) { fprintf(stderr, "%s: kernel interface too old\n", progname); return -1; } res = fscanf(vf, "%i.%i", &majorver, &minorver); fclose(vf); if (res != 2) { fprintf(stderr, "%s: error reading %s\n", progname, version_file); return -1; } if (majorver < 3) { fprintf(stderr, "%s: kernel interface too old\n", progname); return -1; } return 0; } static int check_perm(const char **mntp, struct stat *stbuf, int *mountpoint_fd) { int res; const char *mnt = *mntp; const char *origmnt = mnt; res = lstat(mnt, stbuf); if (res == -1) { fprintf(stderr, "%s: failed to access mountpoint %s: %s\n", progname, mnt, strerror(errno)); return -1; } /* No permission checking is done for root */ if (getuid() == 0) return 0; if (S_ISDIR(stbuf->st_mode)) { res = chdir(mnt); if (res == -1) { fprintf(stderr, "%s: failed to chdir to mountpoint: %s\n", progname, strerror(errno)); return -1; } mnt = *mntp = "."; res = lstat(mnt, stbuf); if (res == -1) { fprintf(stderr, "%s: failed to access mountpoint %s: %s\n", progname, origmnt, strerror(errno)); return -1; } if ((stbuf->st_mode & S_ISVTX) && stbuf->st_uid != getuid()) { fprintf(stderr, "%s: mountpoint %s not owned by user\n", progname, origmnt); return -1; } res = access(mnt, W_OK); if (res == -1) { fprintf(stderr, "%s: user has no write access to mountpoint %s\n", progname, origmnt); return -1; } } else if (S_ISREG(stbuf->st_mode)) { static char procfile[256]; *mountpoint_fd = open(mnt, O_WRONLY); if (*mountpoint_fd == -1) { fprintf(stderr, "%s: failed to open %s: %s\n", progname, mnt, strerror(errno)); return -1; } res = fstat(*mountpoint_fd, stbuf); if (res == -1) { fprintf(stderr, "%s: failed to access mountpoint %s: %s\n", progname, mnt, strerror(errno)); return -1; } if (!S_ISREG(stbuf->st_mode)) { fprintf(stderr, "%s: mountpoint %s is no longer a regular file\n", progname, mnt); return -1; } sprintf(procfile, "/proc/self/fd/%i", *mountpoint_fd); *mntp = procfile; } else { fprintf(stderr, "%s: mountpoint %s is not a directory or a regular file\n", progname, mnt); return -1; } return 0; } static int try_open(const char *dev, char **devp, int silent) { int fd = open(dev, O_RDWR); if (fd != -1) { *devp = strdup(dev); if (*devp == NULL) { fprintf(stderr, "%s: failed to allocate memory\n", progname); close(fd); fd = -1; } } else if (errno == ENODEV || errno == ENOENT)/* check for ENOENT too, for the udev case */ return -2; else if (!silent) { fprintf(stderr, "%s: failed to open %s: %s\n", progname, dev, strerror(errno)); } return fd; } static int try_open_fuse_device(char **devp) { int fd; int err; drop_privs(); fd = try_open(FUSE_DEV_NEW, devp, 0); restore_privs(); if (fd >= 0) return fd; err = fd; fd = try_open(FUSE_DEV_OLD, devp, 1); if (fd >= 0) return fd; return err; } static int open_fuse_device(char **devp) { int fd = try_open_fuse_device(devp); if (fd >= -1) return fd; fprintf(stderr, "%s: fuse device not found, try 'modprobe fuse' first\n", progname); return -1; } static int mount_fuse(const char *mnt, const char *opts) { int res; int fd; char *dev; struct stat stbuf; char *type = NULL; char *source = NULL; char *mnt_opts = NULL; const char *real_mnt = mnt; int mountpoint_fd = -1; fd = open_fuse_device(&dev); if (fd == -1) return -1; drop_privs(); read_conf(); if (getuid() != 0 && mount_max != -1) { int mount_count = count_fuse_fs(); if (mount_count >= mount_max) { fprintf(stderr, "%s: too many FUSE filesystems mounted; mount_max=N can be set in /etc/fuse.conf\n", progname); goto fail_close_fd; } } res = check_version(dev); if (res != -1) { res = check_perm(&real_mnt, &stbuf, &mountpoint_fd); restore_privs(); if (res != -1) res = do_mount(real_mnt, &type, stbuf.st_mode & S_IFMT, fd, opts, dev, &source, &mnt_opts, stbuf.st_size); } else restore_privs(); if (mountpoint_fd != -1) close(mountpoint_fd); if (res == -1) goto fail_close_fd; res = chdir("/"); if (res == -1) { fprintf(stderr, "%s: failed to chdir to '/'\n", progname); goto fail_close_fd; } if (geteuid() == 0) { res = add_mount(source, mnt, type, mnt_opts); if (res == -1) { /* Can't clean up mount in a non-racy way */ goto fail_close_fd; } } out_free: free(source); free(type); free(mnt_opts); free(dev); return fd; fail_close_fd: close(fd); fd = -1; goto out_free; } static int send_fd(int sock_fd, int fd) { int retval; struct msghdr msg; struct cmsghdr *p_cmsg; struct iovec vec; size_t cmsgbuf[CMSG_SPACE(sizeof(fd)) / sizeof(size_t)]; int *p_fds; char sendchar = 0; msg.msg_control = cmsgbuf; msg.msg_controllen = sizeof(cmsgbuf); p_cmsg = CMSG_FIRSTHDR(&msg); p_cmsg->cmsg_level = SOL_SOCKET; p_cmsg->cmsg_type = SCM_RIGHTS; p_cmsg->cmsg_len = CMSG_LEN(sizeof(fd)); p_fds = (int *) CMSG_DATA(p_cmsg); *p_fds = fd; msg.msg_controllen = p_cmsg->cmsg_len; msg.msg_name = NULL; msg.msg_namelen = 0; msg.msg_iov = &vec; msg.msg_iovlen = 1; msg.msg_flags = 0; /* "To pass file descriptors or credentials you need to send/read at * least one byte" (man 7 unix) */ vec.iov_base = &sendchar; vec.iov_len = sizeof(sendchar); while ((retval = sendmsg(sock_fd, &msg, 0)) == -1 && errno == EINTR); if (retval != 1) { perror("sending file descriptor"); return -1; } return 0; } static void usage(void) { fprintf(stderr, "%s: [options] mountpoint\n" "Options:\n" " -h print help\n" " -V print version\n" " -o opt[,opt...] mount options\n" " -u unmount\n" " -q quiet\n" " -z lazy unmount\n", progname); exit(1); } static void show_version(void) { printf("fusermount version: %s\n", PACKAGE_VERSION); exit(0); } int main(int argc, char *argv[]) { sigset_t sigset; int ch; int fd; int res; char *origmnt; char *mnt; static int unmount = 0; static int lazy = 0; static int quiet = 0; char *commfd; int cfd; const char *opts = ""; static const struct option long_opts[] = { {"unmount", no_argument, NULL, 'u'}, {"lazy", no_argument, NULL, 'z'}, {"quiet", no_argument, NULL, 'q'}, {"help", no_argument, NULL, 'h'}, {"version", no_argument, NULL, 'V'}, {0, 0, 0, 0}}; progname = strdup(argv[0]); if (progname == NULL) { fprintf(stderr, "%s: failed to allocate memory\n", argv[0]); exit(1); } while ((ch = getopt_long(argc, argv, "hVo:uzq", long_opts, NULL)) != -1) { switch (ch) { case 'h': usage(); break; case 'V': show_version(); break; case 'o': opts = optarg; break; case 'u': unmount = 1; break; case 'z': lazy = 1; break; case 'q': quiet = 1; break; default: exit(1); } } if (lazy && !unmount) { fprintf(stderr, "%s: -z can only be used with -u\n", progname); exit(1); } if (optind >= argc) { fprintf(stderr, "%s: missing mountpoint argument\n", progname); exit(1); } else if (argc > optind + 1) { fprintf(stderr, "%s: extra arguments after the mountpoint\n", progname); exit(1); } origmnt = argv[optind]; drop_privs(); mnt = fuse_mnt_resolve_path(progname, origmnt); if (mnt != NULL) { res = chdir("/"); if (res == -1) { fprintf(stderr, "%s: failed to chdir to '/'\n", progname); exit(1); } } restore_privs(); if (mnt == NULL) exit(1); umask(033); if (unmount) goto do_unmount; commfd = getenv(FUSE_COMMFD_ENV); if (commfd == NULL) { fprintf(stderr, "%s: old style mounting not supported\n", progname); exit(1); } fd = mount_fuse(mnt, opts); if (fd == -1) exit(1); cfd = atoi(commfd); res = send_fd(cfd, fd); if (res == -1) exit(1); close(fd); if (!auto_unmount) return 0; /* Become a daemon and wait for the parent to exit or die. ie For the control socket to get closed. btw We don't want to use daemon() function here because it forks and messes with the file descriptors. */ setsid(); res = chdir("/"); if (res == -1) { fprintf(stderr, "%s: failed to chdir to '/'\n", progname); exit(1); } sigfillset(&sigset); sigprocmask(SIG_BLOCK, &sigset, NULL); lazy = 1; quiet = 1; while (1) { unsigned char buf[16]; int n = recv(cfd, buf, sizeof(buf), 0); if (!n) break; if (n < 0) { if (errno == EINTR) continue; break; } } do_unmount: if (geteuid() == 0) res = unmount_fuse(mnt, quiet, lazy); else { res = umount2(mnt, lazy ? UMOUNT_DETACH : 0); if (res == -1 && !quiet) fprintf(stderr, "%s: failed to unmount %s: %s\n", progname, mnt, strerror(errno)); } if (res == -1) exit(1); return 0; } fuse-2.9.7/util/mount.fuse.c0000644000175000017500000001072612732044227012651 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU GPL. See the file COPYING. */ #include #include #include #include #include static char *progname; static char *xstrdup(const char *s) { char *t = strdup(s); if (!t) { fprintf(stderr, "%s: failed to allocate memory\n", progname); exit(1); } return t; } static void *xrealloc(void *oldptr, size_t size) { void *ptr = realloc(oldptr, size); if (!ptr) { fprintf(stderr, "%s: failed to allocate memory\n", progname); exit(1); } return ptr; } static void add_arg(char **cmdp, const char *opt) { size_t optlen = strlen(opt); size_t cmdlen = *cmdp ? strlen(*cmdp) : 0; char *cmd = xrealloc(*cmdp, cmdlen + optlen * 4 + 4); char *s; s = cmd + cmdlen; if (*cmdp) *s++ = ' '; *s++ = '\''; for (; *opt; opt++) { if (*opt == '\'') { *s++ = '\''; *s++ = '\\'; *s++ = '\''; *s++ = '\''; } else *s++ = *opt; } *s++ = '\''; *s = '\0'; *cmdp = cmd; } static char *add_option(const char *opt, char *options) { int oldlen = options ? strlen(options) : 0; options = xrealloc(options, oldlen + 1 + strlen(opt) + 1); if (!oldlen) strcpy(options, opt); else { strcat(options, ","); strcat(options, opt); } return options; } int main(int argc, char *argv[]) { char *type = NULL; char *source; const char *mountpoint; char *basename; char *options = NULL; char *command = NULL; char *setuid = NULL; int i; int dev = 1; int suid = 1; progname = argv[0]; basename = strrchr(argv[0], '/'); if (basename) basename++; else basename = argv[0]; if (strncmp(basename, "mount.fuse.", 11) == 0) type = basename + 11; if (strncmp(basename, "mount.fuseblk.", 14) == 0) type = basename + 14; if (type && !type[0]) type = NULL; if (argc < 3) { fprintf(stderr, "usage: %s %s destination [-t type] [-o opt[,opts...]]\n", progname, type ? "source" : "type#[source]"); exit(1); } source = argv[1]; if (!source[0]) source = NULL; mountpoint = argv[2]; for (i = 3; i < argc; i++) { if (strcmp(argv[i], "-v") == 0) { continue; } else if (strcmp(argv[i], "-t") == 0) { i++; if (i == argc) { fprintf(stderr, "%s: missing argument to option '-t'\n", progname); exit(1); } type = argv[i]; if (strncmp(type, "fuse.", 5) == 0) type += 5; else if (strncmp(type, "fuseblk.", 8) == 0) type += 8; if (!type[0]) { fprintf(stderr, "%s: empty type given as argument to option '-t'\n", progname); exit(1); } } else if (strcmp(argv[i], "-o") == 0) { char *opts; char *opt; i++; if (i == argc) break; opts = xstrdup(argv[i]); opt = strtok(opts, ","); while (opt) { int j; int ignore = 0; const char *ignore_opts[] = { "", "user", "nouser", "users", "auto", "noauto", "_netdev", NULL}; if (strncmp(opt, "setuid=", 7) == 0) { setuid = xstrdup(opt + 7); ignore = 1; } for (j = 0; ignore_opts[j]; j++) if (strcmp(opt, ignore_opts[j]) == 0) ignore = 1; if (!ignore) { if (strcmp(opt, "nodev") == 0) dev = 0; else if (strcmp(opt, "nosuid") == 0) suid = 0; options = add_option(opt, options); } opt = strtok(NULL, ","); } } } if (dev) options = add_option("dev", options); if (suid) options = add_option("suid", options); if (!type) { if (source) { type = xstrdup(source); source = strchr(type, '#'); if (source) *source++ = '\0'; if (!type[0]) { fprintf(stderr, "%s: empty filesystem type\n", progname); exit(1); } } else { fprintf(stderr, "%s: empty source\n", progname); exit(1); } } add_arg(&command, type); if (source) add_arg(&command, source); add_arg(&command, mountpoint); if (options) { add_arg(&command, "-o"); add_arg(&command, options); } if (setuid && setuid[0]) { char *sucommand = command; command = NULL; add_arg(&command, "su"); add_arg(&command, "-"); add_arg(&command, setuid); add_arg(&command, "-c"); add_arg(&command, sucommand); } else if (!getenv("HOME")) { /* Hack to make filesystems work in the boot environment */ setenv("HOME", "/root", 0); } execl("/bin/sh", "/bin/sh", "-c", command, NULL); fprintf(stderr, "%s: failed to execute /bin/sh: %s\n", progname, strerror(errno)); return 1; } fuse-2.9.7/util/udev.rules0000644000175000017500000000003412645752413012416 00000000000000KERNEL=="fuse", MODE="0666" fuse-2.9.7/aclocal.m40000644000175000017500000027416112732044621011270 00000000000000# generated automatically by aclocal 1.14.1 -*- Autoconf -*- # Copyright (C) 1996-2013 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, [m4_warning([this file was generated for autoconf 2.69. You have another version of autoconf. It may work, but is not guaranteed to. If you have problems, you may need to regenerate the build system entirely. To do so, use the procedure documented by the package, typically 'autoreconf'.])]) # iconv.m4 serial 18 (gettext-0.18.2) dnl Copyright (C) 2000-2002, 2007-2014 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl From Bruno Haible. AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], [ dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) AC_REQUIRE([AC_LIB_RPATH]) dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV dnl accordingly. AC_LIB_LINKFLAGS_BODY([iconv]) ]) AC_DEFUN([AM_ICONV_LINK], [ dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and dnl those with the standalone portable GNU libiconv installed). AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV dnl accordingly. AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) dnl Add $INCICONV to CPPFLAGS before performing the following checks, dnl because if the user has installed libiconv and not disabled its use dnl via --without-libiconv-prefix, he wants to use it. The first dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed. am_save_CPPFLAGS="$CPPFLAGS" AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [ am_cv_func_iconv="no, consider installing GNU libiconv" am_cv_lib_iconv=no AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[ #include #include ]], [[iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);]])], [am_cv_func_iconv=yes]) if test "$am_cv_func_iconv" != yes; then am_save_LIBS="$LIBS" LIBS="$LIBS $LIBICONV" AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[ #include #include ]], [[iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);]])], [am_cv_lib_iconv=yes] [am_cv_func_iconv=yes]) LIBS="$am_save_LIBS" fi ]) if test "$am_cv_func_iconv" = yes; then AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [ dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11, dnl Solaris 10. am_save_LIBS="$LIBS" if test $am_cv_lib_iconv = yes; then LIBS="$LIBS $LIBICONV" fi AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main () { int result = 0; /* Test against AIX 5.1 bug: Failures are not distinguishable from successful returns. */ { iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); if (cd_utf8_to_88591 != (iconv_t)(-1)) { static const char input[] = "\342\202\254"; /* EURO SIGN */ char buf[10]; const char *inptr = input; size_t inbytesleft = strlen (input); char *outptr = buf; size_t outbytesleft = sizeof (buf); size_t res = iconv (cd_utf8_to_88591, (char **) &inptr, &inbytesleft, &outptr, &outbytesleft); if (res == 0) result |= 1; iconv_close (cd_utf8_to_88591); } } /* Test against Solaris 10 bug: Failures are not distinguishable from successful returns. */ { iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646"); if (cd_ascii_to_88591 != (iconv_t)(-1)) { static const char input[] = "\263"; char buf[10]; const char *inptr = input; size_t inbytesleft = strlen (input); char *outptr = buf; size_t outbytesleft = sizeof (buf); size_t res = iconv (cd_ascii_to_88591, (char **) &inptr, &inbytesleft, &outptr, &outbytesleft); if (res == 0) result |= 2; iconv_close (cd_ascii_to_88591); } } /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ { iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); if (cd_88591_to_utf8 != (iconv_t)(-1)) { static const char input[] = "\304"; static char buf[2] = { (char)0xDE, (char)0xAD }; const char *inptr = input; size_t inbytesleft = 1; char *outptr = buf; size_t outbytesleft = 1; size_t res = iconv (cd_88591_to_utf8, (char **) &inptr, &inbytesleft, &outptr, &outbytesleft); if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) result |= 4; iconv_close (cd_88591_to_utf8); } } #if 0 /* This bug could be worked around by the caller. */ /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ { iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); if (cd_88591_to_utf8 != (iconv_t)(-1)) { static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; char buf[50]; const char *inptr = input; size_t inbytesleft = strlen (input); char *outptr = buf; size_t outbytesleft = sizeof (buf); size_t res = iconv (cd_88591_to_utf8, (char **) &inptr, &inbytesleft, &outptr, &outbytesleft); if ((int)res > 0) result |= 8; iconv_close (cd_88591_to_utf8); } } #endif /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is provided. */ if (/* Try standardized names. */ iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1) /* Try IRIX, OSF/1 names. */ && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1) /* Try AIX names. */ && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1) /* Try HP-UX names. */ && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) result |= 16; return result; }]])], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no], [ changequote(,)dnl case "$host_os" in aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; *) am_cv_func_iconv_works="guessing yes" ;; esac changequote([,])dnl ]) LIBS="$am_save_LIBS" ]) case "$am_cv_func_iconv_works" in *no) am_func_iconv=no am_cv_lib_iconv=no ;; *) am_func_iconv=yes ;; esac else am_func_iconv=no am_cv_lib_iconv=no fi if test "$am_func_iconv" = yes; then AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function and it works.]) fi if test "$am_cv_lib_iconv" = yes; then AC_MSG_CHECKING([how to link with libiconv]) AC_MSG_RESULT([$LIBICONV]) else dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV dnl either. CPPFLAGS="$am_save_CPPFLAGS" LIBICONV= LTLIBICONV= fi AC_SUBST([LIBICONV]) AC_SUBST([LTLIBICONV]) ]) dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to dnl avoid warnings like dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required". dnl This is tricky because of the way 'aclocal' is implemented: dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN. dnl Otherwise aclocal's initial scan pass would miss the macro definition. dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions. dnl Otherwise aclocal would emit many "Use of uninitialized value $1" dnl warnings. m4_define([gl_iconv_AC_DEFUN], m4_version_prereq([2.64], [[AC_DEFUN_ONCE( [$1], [$2])]], [m4_ifdef([gl_00GNULIB], [[AC_DEFUN_ONCE( [$1], [$2])]], [[AC_DEFUN( [$1], [$2])]])])) gl_iconv_AC_DEFUN([AM_ICONV], [ AM_ICONV_LINK if test "$am_cv_func_iconv" = yes; then AC_MSG_CHECKING([for iconv declaration]) AC_CACHE_VAL([am_cv_proto_iconv], [ AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[ #include #include extern #ifdef __cplusplus "C" #endif #if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); #else size_t iconv(); #endif ]], [[]])], [am_cv_proto_iconv_arg1=""], [am_cv_proto_iconv_arg1="const"]) am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` AC_MSG_RESULT([ $am_cv_proto_iconv]) AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1], [Define as const if the declaration of iconv() needs const.]) dnl Also substitute ICONV_CONST in the gnulib generated . m4_ifdef([gl_ICONV_H_DEFAULTS], [AC_REQUIRE([gl_ICONV_H_DEFAULTS]) if test -n "$am_cv_proto_iconv_arg1"; then ICONV_CONST="const" fi ]) fi ]) # lib-ld.m4 serial 6 dnl Copyright (C) 1996-2003, 2009-2014 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl Subroutines of libtool.m4, dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid dnl collision with libtool.m4. dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no. AC_DEFUN([AC_LIB_PROG_LD_GNU], [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld], [# I'd rather use --version here, but apparently some GNU lds only accept -v. case `$LD -v 2>&1 /dev/null 2>&1 \ && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ || PATH_SEPARATOR=';' } fi ac_prog=ld if test "$GCC" = yes; then # Check if gcc -print-prog-name=ld gives a path. AC_MSG_CHECKING([for ld used by $CC]) case $host in *-*-mingw*) # gcc leaves a trailing carriage return which upsets mingw ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; *) ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; esac case $ac_prog in # Accept absolute paths. [[\\/]]* | ?:[[\\/]]*) re_direlt='/[[^/]][[^/]]*/\.\./' # Canonicalize the pathname of ld ac_prog=`echo "$ac_prog"| sed 's%\\\\%/%g'` while echo "$ac_prog" | grep "$re_direlt" > /dev/null 2>&1; do ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` done test -z "$LD" && LD="$ac_prog" ;; "") # If it fails, then pretend we aren't using GCC. ac_prog=ld ;; *) # If it is relative, then search for the first ld in PATH. with_gnu_ld=unknown ;; esac elif test "$with_gnu_ld" = yes; then AC_MSG_CHECKING([for GNU ld]) else AC_MSG_CHECKING([for non-GNU ld]) fi AC_CACHE_VAL([acl_cv_path_LD], [if test -z "$LD"; then acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH; do IFS="$acl_save_ifs" test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then acl_cv_path_LD="$ac_dir/$ac_prog" # Check to see if the program is GNU ld. I'd rather use --version, # but apparently some variants of GNU ld only accept -v. # Break only if it was the GNU/non-GNU ld that we prefer. case `"$acl_cv_path_LD" -v 2>&1 = 1.10 to complain if config.rpath is missing. m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])]) AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [ CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh . ./conftest.sh rm -f ./conftest.sh acl_cv_rpath=done ]) wl="$acl_cv_wl" acl_libext="$acl_cv_libext" acl_shlibext="$acl_cv_shlibext" acl_libname_spec="$acl_cv_libname_spec" acl_library_names_spec="$acl_cv_library_names_spec" acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" acl_hardcode_direct="$acl_cv_hardcode_direct" acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" dnl Determine whether the user wants rpath handling at all. AC_ARG_ENABLE([rpath], [ --disable-rpath do not hardcode runtime library paths], :, enable_rpath=yes) ]) dnl AC_LIB_FROMPACKAGE(name, package) dnl declares that libname comes from the given package. The configure file dnl will then not have a --with-libname-prefix option but a dnl --with-package-prefix option. Several libraries can come from the same dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar dnl macro call that searches for libname. AC_DEFUN([AC_LIB_FROMPACKAGE], [ pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) define([acl_frompackage_]NAME, [$2]) popdef([NAME]) pushdef([PACK],[$2]) pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) define([acl_libsinpackage_]PACKUP, m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1]) popdef([PACKUP]) popdef([PACK]) ]) dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and dnl the libraries corresponding to explicit and implicit dependencies. dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem. AC_DEFUN([AC_LIB_LINKFLAGS_BODY], [ AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])]) pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])]) dnl Autoconf >= 2.61 supports dots in --with options. pushdef([P_A_C_K],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[m4_translit(PACK,[.],[_])],PACK)]) dnl By default, look in $includedir and $libdir. use_additional=yes AC_LIB_WITH_FINAL_PREFIX([ eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" ]) AC_ARG_WITH(P_A_C_K[-prefix], [[ --with-]]P_A_C_K[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib --without-]]P_A_C_K[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]], [ if test "X$withval" = "Xno"; then use_additional=no else if test "X$withval" = "X"; then AC_LIB_WITH_FINAL_PREFIX([ eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" ]) else additional_includedir="$withval/include" additional_libdir="$withval/$acl_libdirstem" if test "$acl_libdirstem2" != "$acl_libdirstem" \ && ! test -d "$withval/$acl_libdirstem"; then additional_libdir="$withval/$acl_libdirstem2" fi fi fi ]) dnl Search the library and its dependencies in $additional_libdir and dnl $LDFLAGS. Using breadth-first-seach. LIB[]NAME= LTLIB[]NAME= INC[]NAME= LIB[]NAME[]_PREFIX= dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been dnl computed. So it has to be reset here. HAVE_LIB[]NAME= rpathdirs= ltrpathdirs= names_already_handled= names_next_round='$1 $2' while test -n "$names_next_round"; do names_this_round="$names_next_round" names_next_round= for name in $names_this_round; do already_handled= for n in $names_already_handled; do if test "$n" = "$name"; then already_handled=yes break fi done if test -z "$already_handled"; then names_already_handled="$names_already_handled $name" dnl See if it was already located by an earlier AC_LIB_LINKFLAGS dnl or AC_LIB_HAVE_LINKFLAGS call. uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` eval value=\"\$HAVE_LIB$uppername\" if test -n "$value"; then if test "$value" = yes; then eval value=\"\$LIB$uppername\" test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" eval value=\"\$LTLIB$uppername\" test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" else dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined dnl that this library doesn't exist. So just drop it. : fi else dnl Search the library lib$name in $additional_libdir and $LDFLAGS dnl and the already constructed $LIBNAME/$LTLIBNAME. found_dir= found_la= found_so= found_a= eval libname=\"$acl_libname_spec\" # typically: libname=lib$name if test -n "$acl_shlibext"; then shrext=".$acl_shlibext" # typically: shrext=.so else shrext= fi if test $use_additional = yes; then dir="$additional_libdir" dnl The same code as in the loop below: dnl First look for a shared library. if test -n "$acl_shlibext"; then if test -f "$dir/$libname$shrext"; then found_dir="$dir" found_so="$dir/$libname$shrext" else if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then ver=`(cd "$dir" && \ for f in "$libname$shrext".*; do echo "$f"; done \ | sed -e "s,^$libname$shrext\\\\.,," \ | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ | sed 1q ) 2>/dev/null` if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then found_dir="$dir" found_so="$dir/$libname$shrext.$ver" fi else eval library_names=\"$acl_library_names_spec\" for f in $library_names; do if test -f "$dir/$f"; then found_dir="$dir" found_so="$dir/$f" break fi done fi fi fi dnl Then look for a static library. if test "X$found_dir" = "X"; then if test -f "$dir/$libname.$acl_libext"; then found_dir="$dir" found_a="$dir/$libname.$acl_libext" fi fi if test "X$found_dir" != "X"; then if test -f "$dir/$libname.la"; then found_la="$dir/$libname.la" fi fi fi if test "X$found_dir" = "X"; then for x in $LDFLAGS $LTLIB[]NAME; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) case "$x" in -L*) dir=`echo "X$x" | sed -e 's/^X-L//'` dnl First look for a shared library. if test -n "$acl_shlibext"; then if test -f "$dir/$libname$shrext"; then found_dir="$dir" found_so="$dir/$libname$shrext" else if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then ver=`(cd "$dir" && \ for f in "$libname$shrext".*; do echo "$f"; done \ | sed -e "s,^$libname$shrext\\\\.,," \ | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ | sed 1q ) 2>/dev/null` if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then found_dir="$dir" found_so="$dir/$libname$shrext.$ver" fi else eval library_names=\"$acl_library_names_spec\" for f in $library_names; do if test -f "$dir/$f"; then found_dir="$dir" found_so="$dir/$f" break fi done fi fi fi dnl Then look for a static library. if test "X$found_dir" = "X"; then if test -f "$dir/$libname.$acl_libext"; then found_dir="$dir" found_a="$dir/$libname.$acl_libext" fi fi if test "X$found_dir" != "X"; then if test -f "$dir/$libname.la"; then found_la="$dir/$libname.la" fi fi ;; esac if test "X$found_dir" != "X"; then break fi done fi if test "X$found_dir" != "X"; then dnl Found the library. LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" if test "X$found_so" != "X"; then dnl Linking with a shared library. We attempt to hardcode its dnl directory into the executable's runpath, unless it's the dnl standard /usr/lib. if test "$enable_rpath" = no \ || test "X$found_dir" = "X/usr/$acl_libdirstem" \ || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then dnl No hardcoding is needed. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" else dnl Use an explicit option to hardcode DIR into the resulting dnl binary. dnl Potentially add DIR to ltrpathdirs. dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. haveit= for x in $ltrpathdirs; do if test "X$x" = "X$found_dir"; then haveit=yes break fi done if test -z "$haveit"; then ltrpathdirs="$ltrpathdirs $found_dir" fi dnl The hardcoding into $LIBNAME is system dependent. if test "$acl_hardcode_direct" = yes; then dnl Using DIR/libNAME.so during linking hardcodes DIR into the dnl resulting binary. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" else if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then dnl Use an explicit option to hardcode DIR into the resulting dnl binary. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" dnl Potentially add DIR to rpathdirs. dnl The rpathdirs will be appended to $LIBNAME at the end. haveit= for x in $rpathdirs; do if test "X$x" = "X$found_dir"; then haveit=yes break fi done if test -z "$haveit"; then rpathdirs="$rpathdirs $found_dir" fi else dnl Rely on "-L$found_dir". dnl But don't add it if it's already contained in the LDFLAGS dnl or the already constructed $LIBNAME haveit= for x in $LDFLAGS $LIB[]NAME; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) if test "X$x" = "X-L$found_dir"; then haveit=yes break fi done if test -z "$haveit"; then LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" fi if test "$acl_hardcode_minus_L" != no; then dnl FIXME: Not sure whether we should use dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" dnl here. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" else dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH dnl here, because this doesn't fit in flags passed to the dnl compiler. So give up. No hardcoding. This affects only dnl very old systems. dnl FIXME: Not sure whether we should use dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" dnl here. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" fi fi fi fi else if test "X$found_a" != "X"; then dnl Linking with a static library. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" else dnl We shouldn't come here, but anyway it's good to have a dnl fallback. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" fi fi dnl Assume the include files are nearby. additional_includedir= case "$found_dir" in */$acl_libdirstem | */$acl_libdirstem/) basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` if test "$name" = '$1'; then LIB[]NAME[]_PREFIX="$basedir" fi additional_includedir="$basedir/include" ;; */$acl_libdirstem2 | */$acl_libdirstem2/) basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` if test "$name" = '$1'; then LIB[]NAME[]_PREFIX="$basedir" fi additional_includedir="$basedir/include" ;; esac if test "X$additional_includedir" != "X"; then dnl Potentially add $additional_includedir to $INCNAME. dnl But don't add it dnl 1. if it's the standard /usr/include, dnl 2. if it's /usr/local/include and we are using GCC on Linux, dnl 3. if it's already present in $CPPFLAGS or the already dnl constructed $INCNAME, dnl 4. if it doesn't exist as a directory. if test "X$additional_includedir" != "X/usr/include"; then haveit= if test "X$additional_includedir" = "X/usr/local/include"; then if test -n "$GCC"; then case $host_os in linux* | gnu* | k*bsd*-gnu) haveit=yes;; esac fi fi if test -z "$haveit"; then for x in $CPPFLAGS $INC[]NAME; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) if test "X$x" = "X-I$additional_includedir"; then haveit=yes break fi done if test -z "$haveit"; then if test -d "$additional_includedir"; then dnl Really add $additional_includedir to $INCNAME. INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" fi fi fi fi fi dnl Look for dependencies. if test -n "$found_la"; then dnl Read the .la file. It defines the variables dnl dlname, library_names, old_library, dependency_libs, current, dnl age, revision, installed, dlopen, dlpreopen, libdir. save_libdir="$libdir" case "$found_la" in */* | *\\*) . "$found_la" ;; *) . "./$found_la" ;; esac libdir="$save_libdir" dnl We use only dependency_libs. for dep in $dependency_libs; do case "$dep" in -L*) additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. dnl But don't add it dnl 1. if it's the standard /usr/lib, dnl 2. if it's /usr/local/lib and we are using GCC on Linux, dnl 3. if it's already present in $LDFLAGS or the already dnl constructed $LIBNAME, dnl 4. if it doesn't exist as a directory. if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then haveit= if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then if test -n "$GCC"; then case $host_os in linux* | gnu* | k*bsd*-gnu) haveit=yes;; esac fi fi if test -z "$haveit"; then haveit= for x in $LDFLAGS $LIB[]NAME; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) if test "X$x" = "X-L$additional_libdir"; then haveit=yes break fi done if test -z "$haveit"; then if test -d "$additional_libdir"; then dnl Really add $additional_libdir to $LIBNAME. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" fi fi haveit= for x in $LDFLAGS $LTLIB[]NAME; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) if test "X$x" = "X-L$additional_libdir"; then haveit=yes break fi done if test -z "$haveit"; then if test -d "$additional_libdir"; then dnl Really add $additional_libdir to $LTLIBNAME. LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" fi fi fi fi ;; -R*) dir=`echo "X$dep" | sed -e 's/^X-R//'` if test "$enable_rpath" != no; then dnl Potentially add DIR to rpathdirs. dnl The rpathdirs will be appended to $LIBNAME at the end. haveit= for x in $rpathdirs; do if test "X$x" = "X$dir"; then haveit=yes break fi done if test -z "$haveit"; then rpathdirs="$rpathdirs $dir" fi dnl Potentially add DIR to ltrpathdirs. dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. haveit= for x in $ltrpathdirs; do if test "X$x" = "X$dir"; then haveit=yes break fi done if test -z "$haveit"; then ltrpathdirs="$ltrpathdirs $dir" fi fi ;; -l*) dnl Handle this in the next round. names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` ;; *.la) dnl Handle this in the next round. Throw away the .la's dnl directory; it is already contained in a preceding -L dnl option. names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` ;; *) dnl Most likely an immediate library name. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" ;; esac done fi else dnl Didn't find the library; assume it is in the system directories dnl known to the linker and runtime loader. (All the system dnl directories known to the linker should also be known to the dnl runtime loader, otherwise the system is severely misconfigured.) LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" fi fi fi done done if test "X$rpathdirs" != "X"; then if test -n "$acl_hardcode_libdir_separator"; then dnl Weird platform: only the last -rpath option counts, the user must dnl pass all path elements in one option. We can arrange that for a dnl single library, but not when more than one $LIBNAMEs are used. alldirs= for found_dir in $rpathdirs; do alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" done dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. acl_save_libdir="$libdir" libdir="$alldirs" eval flag=\"$acl_hardcode_libdir_flag_spec\" libdir="$acl_save_libdir" LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" else dnl The -rpath options are cumulative. for found_dir in $rpathdirs; do acl_save_libdir="$libdir" libdir="$found_dir" eval flag=\"$acl_hardcode_libdir_flag_spec\" libdir="$acl_save_libdir" LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" done fi fi if test "X$ltrpathdirs" != "X"; then dnl When using libtool, the option that works for both libraries and dnl executables is -R. The -R options are cumulative. for found_dir in $ltrpathdirs; do LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" done fi popdef([P_A_C_K]) popdef([PACKLIBS]) popdef([PACKUP]) popdef([PACK]) popdef([NAME]) ]) dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, dnl unless already present in VAR. dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes dnl contains two or three consecutive elements that belong together. AC_DEFUN([AC_LIB_APPENDTOVAR], [ for element in [$2]; do haveit= for x in $[$1]; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) if test "X$x" = "X$element"; then haveit=yes break fi done if test -z "$haveit"; then [$1]="${[$1]}${[$1]:+ }$element" fi done ]) dnl For those cases where a variable contains several -L and -l options dnl referring to unknown libraries and directories, this macro determines the dnl necessary additional linker options for the runtime path. dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL]) dnl sets LDADDVAR to linker options needed together with LIBSVALUE. dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed, dnl otherwise linking without libtool is assumed. AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], [ AC_REQUIRE([AC_LIB_RPATH]) AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) $1= if test "$enable_rpath" != no; then if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then dnl Use an explicit option to hardcode directories into the resulting dnl binary. rpathdirs= next= for opt in $2; do if test -n "$next"; then dir="$next" dnl No need to hardcode the standard /usr/lib. if test "X$dir" != "X/usr/$acl_libdirstem" \ && test "X$dir" != "X/usr/$acl_libdirstem2"; then rpathdirs="$rpathdirs $dir" fi next= else case $opt in -L) next=yes ;; -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` dnl No need to hardcode the standard /usr/lib. if test "X$dir" != "X/usr/$acl_libdirstem" \ && test "X$dir" != "X/usr/$acl_libdirstem2"; then rpathdirs="$rpathdirs $dir" fi next= ;; *) next= ;; esac fi done if test "X$rpathdirs" != "X"; then if test -n ""$3""; then dnl libtool is used for linking. Use -R options. for dir in $rpathdirs; do $1="${$1}${$1:+ }-R$dir" done else dnl The linker is used for linking directly. if test -n "$acl_hardcode_libdir_separator"; then dnl Weird platform: only the last -rpath option counts, the user dnl must pass all path elements in one option. alldirs= for dir in $rpathdirs; do alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" done acl_save_libdir="$libdir" libdir="$alldirs" eval flag=\"$acl_hardcode_libdir_flag_spec\" libdir="$acl_save_libdir" $1="$flag" else dnl The -rpath options are cumulative. for dir in $rpathdirs; do acl_save_libdir="$libdir" libdir="$dir" eval flag=\"$acl_hardcode_libdir_flag_spec\" libdir="$acl_save_libdir" $1="${$1}${$1:+ }$flag" done fi fi fi fi fi AC_SUBST([$1]) ]) # lib-prefix.m4 serial 7 (gettext-0.18) dnl Copyright (C) 2001-2005, 2008-2014 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl From Bruno Haible. dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't dnl require excessive bracketing. ifdef([AC_HELP_STRING], [AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])], [AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])]) dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed dnl to access previously installed libraries. 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AC_DEFUN([AC_LIB_PREFIX], [ AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) dnl By default, look in $includedir and $libdir. use_additional=yes AC_LIB_WITH_FINAL_PREFIX([ eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" ]) AC_LIB_ARG_WITH([lib-prefix], [ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib --without-lib-prefix don't search for libraries in includedir and libdir], [ if test "X$withval" = "Xno"; then use_additional=no else if test "X$withval" = "X"; then AC_LIB_WITH_FINAL_PREFIX([ eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" ]) else additional_includedir="$withval/include" additional_libdir="$withval/$acl_libdirstem" fi fi ]) if test $use_additional = yes; then dnl Potentially add $additional_includedir to $CPPFLAGS. dnl But don't add it dnl 1. if it's the standard /usr/include, dnl 2. if it's already present in $CPPFLAGS, dnl 3. if it's /usr/local/include and we are using GCC on Linux, dnl 4. if it doesn't exist as a directory. if test "X$additional_includedir" != "X/usr/include"; then haveit= for x in $CPPFLAGS; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) if test "X$x" = "X-I$additional_includedir"; then haveit=yes break fi done if test -z "$haveit"; then if test "X$additional_includedir" = "X/usr/local/include"; then if test -n "$GCC"; then case $host_os in linux* | gnu* | k*bsd*-gnu) haveit=yes;; esac fi fi if test -z "$haveit"; then if test -d "$additional_includedir"; then dnl Really add $additional_includedir to $CPPFLAGS. CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" fi fi fi fi dnl Potentially add $additional_libdir to $LDFLAGS. dnl But don't add it dnl 1. if it's the standard /usr/lib, dnl 2. if it's already present in $LDFLAGS, dnl 3. if it's /usr/local/lib and we are using GCC on Linux, dnl 4. if it doesn't exist as a directory. if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then haveit= for x in $LDFLAGS; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) if test "X$x" = "X-L$additional_libdir"; then haveit=yes break fi done if test -z "$haveit"; then if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then if test -n "$GCC"; then case $host_os in linux*) haveit=yes;; esac fi fi if test -z "$haveit"; then if test -d "$additional_libdir"; then dnl Really add $additional_libdir to $LDFLAGS. LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" fi fi fi fi fi ]) dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, dnl acl_final_exec_prefix, containing the values to which $prefix and dnl $exec_prefix will expand at the end of the configure script. AC_DEFUN([AC_LIB_PREPARE_PREFIX], [ dnl Unfortunately, prefix and exec_prefix get only finally determined dnl at the end of configure. if test "X$prefix" = "XNONE"; then acl_final_prefix="$ac_default_prefix" else acl_final_prefix="$prefix" fi if test "X$exec_prefix" = "XNONE"; then acl_final_exec_prefix='${prefix}' else acl_final_exec_prefix="$exec_prefix" fi acl_save_prefix="$prefix" prefix="$acl_final_prefix" eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" prefix="$acl_save_prefix" ]) dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the dnl variables prefix and exec_prefix bound to the values they will have dnl at the end of the configure script. AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], [ acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" $1 exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" ]) dnl AC_LIB_PREPARE_MULTILIB creates dnl - a variable acl_libdirstem, containing the basename of the libdir, either dnl "lib" or "lib64" or "lib/64", dnl - a variable acl_libdirstem2, as a secondary possible value for dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or dnl "lib/amd64". AC_DEFUN([AC_LIB_PREPARE_MULTILIB], [ dnl There is no formal standard regarding lib and lib64. dnl On glibc systems, the current practice is that on a system supporting dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine dnl the compiler's default mode by looking at the compiler's library search dnl path. 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To apply these terms, attach the following notices to the library. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 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Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the library `Frob' (a library for tweaking knobs) written by James Random Hacker. , 1 April 1990 Ty Coon, President of Vice That's all there is to it! fuse-2.9.7/README.md0000644000175000017500000000775612732044227010715 00000000000000libfuse ======= Warning: unresolved security issue ---------------------------------- Be aware that FUSE has an unresolved security bug ([bug #15](https://github.com/libfuse/libfuse/issues/15)): the permission check for accessing a cached directory is only done once when the directory entry is first loaded into the cache. Subsequent accesses will re-use the results of the first check, even if the directory permissions have since changed, and even if the subsequent access is made by a different user. This bug needs to be fixed in the Linux kernel and has been known since 2006 but unfortunately no fix has been applied yet. If you depend on correct permission handling for FUSE file systems, the only workaround is to completely disable caching of directory entries. Alternatively, the severity of the bug can be somewhat reduced by not using the `allow_other` mount option. About ----- FUSE (Filesystem in Userspace) is an interface for userspace programs to export a filesystem to the Linux kernel. The FUSE project consists of two components: the *fuse* kernel module (maintained in the regular kernel repositories) and the *libfuse* userspace library (maintained in this repository). libfuse provides the reference implementation for communicating with the FUSE kernel module. A FUSE file system is typically implemented as a standalone application that links with libfuse. libfuse provides functions to mount the file system, unmount it, read requests from the kernel, and send responses back. libfuse offers two APIs: a "high-level", synchronous API, and a "low-level" asynchronous API. In both cases, incoming requests from the kernel are passed to the main program using callbacks. When using the high-level API, the callbacks may work with file names and paths instead of inodes, and processing of a request finishes when the callback function returns. When using the low-level API, the callbacks must work with inodes and responses must be sent explicitly using a separate set of API functions. Installation ------------ ./configure make -j8 make install You may also need to add `/usr/local/lib` to `/etc/ld.so.conf` and/or run *ldconfig*. If you're building from the git repository (instead of using a release tarball), you also need to run `./makeconf.sh` to create the `configure` script. You'll also need a fuse kernel module (Linux kernels 2.6.14 or later contain FUSE support). For more details see the file `INSTALL` Security implications --------------------- If you run `make install`, the *fusermount* program is installed set-user-id to root. This is done to allow normal users to mount their own filesystem implementations. There must however be some limitations, in order to prevent Bad User from doing nasty things. Currently those limitations are: - The user can only mount on a mountpoint, for which it has write permission - The mountpoint is not a sticky directory which isn't owned by the user (like /tmp usually is) - No other user (including root) can access the contents of the mounted filesystem (though this can be relaxed by allowing the use of the `allow_other` and `allow_root` mount options in `fuse.conf`) Building your own filesystem ------------------------------ FUSE comes with several example file systems in the `examples` directory. For example, the *fusexmp* example mirrors the contents of the root directory under the mountpoint. Start from there and adapt the code! The documentation of the API functions and necessary callbacks is mostly contained in the files `include/fuse.h` (for the high-level API) and `include/fuse_lowlevel.h` (for the low-level API). An autogenerated html version of the API is available in the `doc/html` directory and at http://libfuse.github.io/doxygen. Getting Help ------------ If you need help, please ask on the mailing list (subscribe at https://lists.sourceforge.net/lists/listinfo/fuse-devel). 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" >&6; } if ${lt_cv_path_NM+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 $as_echo "$lt_cv_path_NM" >&6; } if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else if test -n "$ac_tool_prefix"; then for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DUMPBIN+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DUMPBIN"; then ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DUMPBIN=$ac_cv_prog_DUMPBIN if test -n "$DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 $as_echo "$DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$DUMPBIN" && break done fi if test -z "$DUMPBIN"; then ac_ct_DUMPBIN=$DUMPBIN for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DUMPBIN"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN if test -n "$ac_ct_DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 $as_echo "$ac_ct_DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_DUMPBIN" && break done if test "x$ac_ct_DUMPBIN" = x; then DUMPBIN=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DUMPBIN=$ac_ct_DUMPBIN fi fi case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols" ;; *) DUMPBIN=: ;; esac fi if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm { $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 $as_echo_n "checking the name lister ($NM) interface... " >&6; } if ${lt_cv_nm_interface+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 $as_echo "$lt_cv_nm_interface" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 $as_echo_n "checking whether ln -s works... " >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 $as_echo "no, using $LN_S" >&6; } fi # find the maximum length of command line arguments { $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 $as_echo_n "checking the maximum length of command line arguments... " >&6; } if ${lt_cv_sys_max_cmd_len+:} false; then : $as_echo_n "(cached) " >&6 else i=0 teststring="ABCD" case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8 ; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test $i != 17 # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n $lt_cv_sys_max_cmd_len ; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 $as_echo "$lt_cv_sys_max_cmd_len" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 $as_echo "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5 $as_echo_n "checking whether the shell understands some XSI constructs... 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" >&6; } if ${lt_cv_to_host_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 $as_echo "$lt_cv_to_host_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 $as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } if ${lt_cv_to_tool_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 $as_echo "$lt_cv_to_tool_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 $as_echo_n "checking for $LD option to reload object files... " >&6; } if ${lt_cv_ld_reload_flag+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test "$GCC" != yes; then reload_cmds=false fi ;; darwin*) if test "$GCC" = yes; then reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if ${lt_cv_deplibs_check_method+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # `unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # which responds to the $file_magic_cmd with a given extended regex. # If you have `file' or equivalent on your system and you're not sure # whether `pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 $as_echo "$DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 $as_echo "$ac_ct_DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 $as_echo_n "checking how to associate runtime and link libraries... " >&6; } if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 $as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 $as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} : ${AR_FLAGS=cru} { $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 $as_echo_n "checking for archiver @FILE support... " >&6; } if ${lt_cv_ar_at_file+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -eq 0; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -ne 0; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 $as_echo "$lt_cv_ar_at_file" >&6; } if test "x$lt_cv_ar_at_file" = xno; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if ${lt_cv_sys_global_symbol_pipe+:} false; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 $as_echo_n "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test "${with_sysroot+set}" = set; then : withval=$with_sysroot; else with_sysroot=no fi lt_sysroot= case ${with_sysroot} in #( yes) if test "$GCC" = yes; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 $as_echo "${with_sysroot}" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 $as_echo "${lt_sysroot:-no}" >&6; } # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE="32" ;; *ELF-64*) HPUX_IA64_MODE="64" ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out which ABI we are using. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test "$lt_cv_prog_gnu_ld" = yes; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) case `/usr/bin/file conftest.o` in *x86-64*) LD="${LD-ld} -m elf32_x86_64" ;; *) LD="${LD-ld} -m elf_i386" ;; esac ;; powerpc64le-*) LD="${LD-ld} -m elf32lppclinux" ;; powerpc64-*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; powerpcle-*) LD="${LD-ld} -m elf64lppc" ;; powerpc-*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if ${lt_cv_cc_needs_belf+:} false; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; *-*solaris*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD="${LD-ld}_sol2" fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks="$enable_libtool_lock" if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 $as_echo "$MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 $as_echo "$ac_ct_MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 $as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if ${lt_cv_path_mainfest_tool+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 $as_echo "$lt_cv_path_mainfest_tool" >&6; } if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 $as_echo "$ac_ct_OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 $as_echo "$OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL64"; then ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL64="otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 if test -n "$ac_ct_OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 $as_echo "$ac_ct_OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL64" = x; then OTOOL64=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL64=$ac_ct_OTOOL64 fi else OTOOL64="$ac_cv_prog_OTOOL64" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 $as_echo_n "checking for -single_module linker flag... " >&6; } if ${lt_cv_apple_cc_single_mod+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_apple_cc_single_mod=no if test -z "${LT_MULTI_MODULE}"; then # By default we will add the -single_module flag. You can override # by either setting the environment variable LT_MULTI_MODULE # non-empty at configure time, or by adding -multi_module to the # link flags. rm -rf libconftest.dylib* echo "int foo(void){return 1;}" > conftest.c echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c" >&5 $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err _lt_result=$? # If there is a non-empty error log, and "single_module" # appears in it, assume the flag caused a linker warning if test -s conftest.err && $GREP single_module conftest.err; then cat conftest.err >&5 # Otherwise, if the output was created with a 0 exit code from # the compiler, it worked. elif test -f libconftest.dylib && test $_lt_result -eq 0; then lt_cv_apple_cc_single_mod=yes else cat conftest.err >&5 fi rm -rf libconftest.dylib* rm -f conftest.* fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 $as_echo "$lt_cv_apple_cc_single_mod" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 $as_echo_n "checking for -exported_symbols_list linker flag... 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Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) case `$LD -v 2>&1` in *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) ld_shlibs=no cat <<_LT_EOF 1>&2 *** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not *** reliably create shared libraries on SCO systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. 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then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_="/usr/lib:/lib" fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; then hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test "${lt_cv_aix_libpath+set}" = set; 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then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl*) # Native MSVC hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported always_export_symbols=yes file_list_spec='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; else sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile="$lt_outputfile.exe" lt_tool_outputfile="$lt_tool_outputfile.exe" ;; esac~ if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC wrapper hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' enable_shared_with_static_runtimes=yes ;; esac ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported if test "$lt_cv_ld_force_load" = "yes"; then whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' else whole_archive_flag_spec='' fi link_all_deplibs=yes allow_undefined_flag="$_lt_dar_allow_undefined" case $cc_basename in ifort*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test "$_lt_dar_can_shared" = "yes"; then output_verbose_link_cmd=func_echo_all archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. Future versions do this automatically, but an explicit c++rt0.o # does not break anything, and helps significantly (at the cost of a little # extra space). freebsd2.2*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; # Unfortunately, older versions of FreeBSD 2 do not have this feature. freebsd2.*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; # FreeBSD 3 and greater uses gcc -shared to do shared libraries. freebsd* | dragonfly*) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; hpux9*) if test "$GCC" = yes; then archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' else archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' fi hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: hardcode_direct=yes # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes export_dynamic_flag_spec='${wl}-E' ;; hpux10*) if test "$GCC" = yes && test "$with_gnu_ld" = no; then archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi if test "$with_gnu_ld" = no; then hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes fi ;; hpux11*) if test "$GCC" = yes && test "$with_gnu_ld" = no; then case $host_cpu in hppa*64*) archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac else case $host_cpu in hppa*64*) archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) # Older versions of the 11.00 compiler do not understand -b yet # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 $as_echo_n "checking if $CC understands -b... " >&6; } if ${lt_cv_prog_compiler__b+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler__b=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -b" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler__b=yes fi else lt_cv_prog_compiler__b=yes fi fi $RM -r conftest* LDFLAGS="$save_LDFLAGS" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 $as_echo "$lt_cv_prog_compiler__b" >&6; } if test x"$lt_cv_prog_compiler__b" = xyes; then archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi ;; esac fi if test "$with_gnu_ld" = no; then hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test "$GCC" = yes; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 $as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } if ${lt_cv_irix_exported_symbol+:} false; then : $as_echo_n "(cached) " >&6 else save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_irix_exported_symbol=yes else lt_cv_irix_exported_symbol=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS="$save_LDFLAGS" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 $as_echo "$lt_cv_irix_exported_symbol" >&6; } if test "$lt_cv_irix_exported_symbol" = yes; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' fi else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' export_dynamic_flag_spec='${wl}-E' else case $host_os in openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-R$libdir' ;; *) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' ;; esac fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; osf3*) if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test "$GCC" = yes; then wlarc='${wl}' archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='${wl}' archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands `-z linker_flag'. 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then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" fi sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if ${lt_cv_shlibpath_overrides_runpath+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Append ld.so.conf contents to the search path if test -f /etc/ld.so.conf; then lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" fi # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsdelf*-gnu) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='NetBSD ld.elf_so' ;; netbsd*) version_type=sunos need_lib_prefix=no need_version=no if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then case $host_os in openbsd2.[89] | openbsd2.[89].*) shlibpath_overrides_runpath=no ;; *) shlibpath_overrides_runpath=yes ;; esac else shlibpath_overrides_runpath=yes fi ;; os2*) libname_spec='$name' shrext_cmds=".dll" need_lib_prefix=no library_names_spec='$libname${shared_ext} $libname.a' dynamic_linker='OS/2 ld.exe' shlibpath_var=LIBPATH ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test "$with_gnu_ld" = yes; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec ;then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' soname_spec='$libname${shared_ext}.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=freebsd-elf need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test "$with_gnu_ld" = yes; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 $as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" fi if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 $as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test "X$hardcode_automatic" = "Xyes" ; then # We can hardcode non-existent directories. if test "$hardcode_direct" != no && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no && test "$hardcode_minus_L" != no; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 $as_echo "$hardcode_action" >&6; } if test "$hardcode_action" = relink || test "$inherit_rpath" = yes; then # Fast installation is not supported enable_fast_install=no elif test "$shlibpath_overrides_runpath" = yes || test "$enable_shared" = no; then # Fast installation is not necessary enable_fast_install=needless fi if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen="LoadLibrary" lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen="dlopen" lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else lt_cv_dlopen="dyld" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes; then : lt_cv_dlopen="shl_load" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 $as_echo_n "checking for shl_load in -ldld... " >&6; } if ${ac_cv_lib_dld_shl_load+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char shl_load (); int main () { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_shl_load=yes else ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 $as_echo "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes; then : lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" else ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes; then : lt_cv_dlopen="dlopen" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 $as_echo_n "checking for dlopen in -lsvld... " >&6; } if ${ac_cv_lib_svld_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_svld_dlopen=yes else ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 $as_echo "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 $as_echo_n "checking for dld_link in -ldld... " >&6; } if ${ac_cv_lib_dld_dld_link+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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They are misleading. ;; *) searchdir=`cd "$searchdir" && pwd` case "$searchdir" in */lib64 ) acl_libdirstem=lib64 ;; esac ;; esac fi done IFS="$acl_save_IFS" fi ;; esac test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" use_additional=yes acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" # Check whether --with-libiconv-prefix was given. if test "${with_libiconv_prefix+set}" = set; then : withval=$with_libiconv_prefix; if test "X$withval" = "Xno"; then use_additional=no else if test "X$withval" = "X"; then acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" else additional_includedir="$withval/include" additional_libdir="$withval/$acl_libdirstem" if test "$acl_libdirstem2" != "$acl_libdirstem" \ && ! test -d "$withval/$acl_libdirstem"; then additional_libdir="$withval/$acl_libdirstem2" fi fi fi fi LIBICONV= LTLIBICONV= INCICONV= LIBICONV_PREFIX= HAVE_LIBICONV= rpathdirs= ltrpathdirs= names_already_handled= names_next_round='iconv ' while test -n "$names_next_round"; do names_this_round="$names_next_round" names_next_round= for name in $names_this_round; do already_handled= for n in $names_already_handled; do if test "$n" = "$name"; then already_handled=yes break fi done if test -z "$already_handled"; then names_already_handled="$names_already_handled $name" uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` eval value=\"\$HAVE_LIB$uppername\" if test -n "$value"; then if test "$value" = yes; then eval value=\"\$LIB$uppername\" test -z "$value" || LIBICONV="${LIBICONV}${LIBICONV:+ }$value" eval value=\"\$LTLIB$uppername\" test -z "$value" || LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }$value" else : fi else found_dir= found_la= found_so= found_a= eval libname=\"$acl_libname_spec\" # typically: libname=lib$name if test -n "$acl_shlibext"; then shrext=".$acl_shlibext" # typically: shrext=.so else shrext= fi if test $use_additional = yes; then dir="$additional_libdir" if test -n "$acl_shlibext"; then if test -f "$dir/$libname$shrext"; then found_dir="$dir" found_so="$dir/$libname$shrext" else if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then ver=`(cd "$dir" && \ for f in "$libname$shrext".*; do echo "$f"; done \ | sed -e "s,^$libname$shrext\\\\.,," \ | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ | sed 1q ) 2>/dev/null` if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then found_dir="$dir" found_so="$dir/$libname$shrext.$ver" fi else eval library_names=\"$acl_library_names_spec\" for f in $library_names; do if test -f "$dir/$f"; then found_dir="$dir" found_so="$dir/$f" break fi done fi fi fi if test "X$found_dir" = "X"; then if test -f "$dir/$libname.$acl_libext"; then found_dir="$dir" found_a="$dir/$libname.$acl_libext" fi fi if test "X$found_dir" != "X"; then if test -f "$dir/$libname.la"; then found_la="$dir/$libname.la" fi fi fi if test "X$found_dir" = "X"; then for x in $LDFLAGS $LTLIBICONV; do acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" eval x=\"$x\" exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" case "$x" in -L*) dir=`echo "X$x" | sed -e 's/^X-L//'` if test -n "$acl_shlibext"; then if test -f "$dir/$libname$shrext"; then found_dir="$dir" found_so="$dir/$libname$shrext" else if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then ver=`(cd "$dir" && \ for f in "$libname$shrext".*; do echo "$f"; done \ | sed -e "s,^$libname$shrext\\\\.,," \ | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ | sed 1q ) 2>/dev/null` if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then found_dir="$dir" found_so="$dir/$libname$shrext.$ver" fi else eval library_names=\"$acl_library_names_spec\" for f in $library_names; do if test -f "$dir/$f"; then found_dir="$dir" found_so="$dir/$f" break fi done fi fi fi if test "X$found_dir" = "X"; then if test -f "$dir/$libname.$acl_libext"; then found_dir="$dir" found_a="$dir/$libname.$acl_libext" fi fi if test "X$found_dir" != "X"; then if test -f "$dir/$libname.la"; then found_la="$dir/$libname.la" fi fi ;; esac if test "X$found_dir" != "X"; then break fi done fi if test "X$found_dir" != "X"; then LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-L$found_dir -l$name" if test "X$found_so" != "X"; then if test "$enable_rpath" = no \ || test "X$found_dir" = "X/usr/$acl_libdirstem" \ || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" else haveit= for x in $ltrpathdirs; do if test "X$x" = "X$found_dir"; then haveit=yes break fi done if test -z "$haveit"; then ltrpathdirs="$ltrpathdirs $found_dir" fi if test "$acl_hardcode_direct" = yes; then LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" else if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" haveit= for x in $rpathdirs; do if test "X$x" = "X$found_dir"; then haveit=yes break fi done if test -z "$haveit"; then rpathdirs="$rpathdirs $found_dir" fi else haveit= for x in $LDFLAGS $LIBICONV; do acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" eval x=\"$x\" exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" if test "X$x" = "X-L$found_dir"; then haveit=yes break fi done if test -z "$haveit"; then LIBICONV="${LIBICONV}${LIBICONV:+ }-L$found_dir" fi if test "$acl_hardcode_minus_L" != no; then LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" else LIBICONV="${LIBICONV}${LIBICONV:+ }-l$name" fi fi fi fi else if test "X$found_a" != "X"; then LIBICONV="${LIBICONV}${LIBICONV:+ }$found_a" else LIBICONV="${LIBICONV}${LIBICONV:+ }-L$found_dir -l$name" fi fi additional_includedir= case "$found_dir" in */$acl_libdirstem | */$acl_libdirstem/) basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` if test "$name" = 'iconv'; then LIBICONV_PREFIX="$basedir" fi additional_includedir="$basedir/include" ;; */$acl_libdirstem2 | */$acl_libdirstem2/) basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` if test "$name" = 'iconv'; then LIBICONV_PREFIX="$basedir" fi additional_includedir="$basedir/include" ;; esac if test "X$additional_includedir" != "X"; then if test "X$additional_includedir" != "X/usr/include"; then haveit= if test "X$additional_includedir" = "X/usr/local/include"; then if test -n "$GCC"; then case $host_os in linux* | gnu* | k*bsd*-gnu) haveit=yes;; esac fi fi if test -z "$haveit"; then for x in $CPPFLAGS $INCICONV; do acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" eval x=\"$x\" exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" if test "X$x" = "X-I$additional_includedir"; then haveit=yes break fi done if test -z "$haveit"; then if test -d "$additional_includedir"; then INCICONV="${INCICONV}${INCICONV:+ }-I$additional_includedir" fi fi fi fi fi if test -n "$found_la"; then save_libdir="$libdir" case "$found_la" in */* | *\\*) . "$found_la" ;; *) . "./$found_la" ;; esac libdir="$save_libdir" for dep in $dependency_libs; do case "$dep" in -L*) additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then haveit= if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then if test -n "$GCC"; then case $host_os in linux* | gnu* | k*bsd*-gnu) haveit=yes;; esac fi fi if test -z "$haveit"; then haveit= for x in $LDFLAGS $LIBICONV; do acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" eval x=\"$x\" exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" if test "X$x" = "X-L$additional_libdir"; then haveit=yes break fi done if test -z "$haveit"; then if test -d "$additional_libdir"; then LIBICONV="${LIBICONV}${LIBICONV:+ }-L$additional_libdir" fi fi haveit= for x in $LDFLAGS $LTLIBICONV; do acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" eval x=\"$x\" exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" if test "X$x" = "X-L$additional_libdir"; then haveit=yes break fi done if test -z "$haveit"; then if test -d "$additional_libdir"; then LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-L$additional_libdir" fi fi fi fi ;; -R*) dir=`echo "X$dep" | sed -e 's/^X-R//'` if test "$enable_rpath" != no; then haveit= for x in $rpathdirs; do if test "X$x" = "X$dir"; then haveit=yes break fi done if test -z "$haveit"; then rpathdirs="$rpathdirs $dir" fi haveit= for x in $ltrpathdirs; do if test "X$x" = "X$dir"; then haveit=yes break fi done if test -z "$haveit"; then ltrpathdirs="$ltrpathdirs $dir" fi fi ;; -l*) names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` ;; *.la) names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` ;; *) LIBICONV="${LIBICONV}${LIBICONV:+ }$dep" LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }$dep" ;; esac done fi else LIBICONV="${LIBICONV}${LIBICONV:+ }-l$name" LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-l$name" fi fi fi done done if test "X$rpathdirs" != "X"; then if test -n "$acl_hardcode_libdir_separator"; then alldirs= for found_dir in $rpathdirs; do alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" done acl_save_libdir="$libdir" libdir="$alldirs" eval flag=\"$acl_hardcode_libdir_flag_spec\" libdir="$acl_save_libdir" LIBICONV="${LIBICONV}${LIBICONV:+ }$flag" else for found_dir in $rpathdirs; do acl_save_libdir="$libdir" libdir="$found_dir" eval flag=\"$acl_hardcode_libdir_flag_spec\" libdir="$acl_save_libdir" LIBICONV="${LIBICONV}${LIBICONV:+ }$flag" done fi fi if test "X$ltrpathdirs" != "X"; then for found_dir in $ltrpathdirs; do LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-R$found_dir" done fi am_save_CPPFLAGS="$CPPFLAGS" for element in $INCICONV; do haveit= for x in $CPPFLAGS; do acl_save_prefix="$prefix" prefix="$acl_final_prefix" acl_save_exec_prefix="$exec_prefix" exec_prefix="$acl_final_exec_prefix" eval x=\"$x\" exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" if test "X$x" = "X$element"; then haveit=yes break fi done if test -z "$haveit"; then CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }$element" fi done { $as_echo "$as_me:${as_lineno-$LINENO}: checking for iconv" >&5 $as_echo_n "checking for iconv... " >&6; } if ${am_cv_func_iconv+:} false; then : $as_echo_n "(cached) " >&6 else am_cv_func_iconv="no, consider installing GNU libiconv" am_cv_lib_iconv=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main () { iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : am_cv_func_iconv=yes fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test "$am_cv_func_iconv" != yes; then am_save_LIBS="$LIBS" LIBS="$LIBS $LIBICONV" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main () { iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : am_cv_lib_iconv=yes am_cv_func_iconv=yes fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS="$am_save_LIBS" fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_func_iconv" >&5 $as_echo "$am_cv_func_iconv" >&6; } if test "$am_cv_func_iconv" = yes; then { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working iconv" >&5 $as_echo_n "checking for working iconv... 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See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. This is deliberate. set_dir_from () { case $1 in */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; *) dir=;; esac } # Get the suffix-stripped basename of the given path, and save it the # global variable '$base'. set_base_from () { base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` } # If no dependency file was actually created by the compiler invocation, # we still have to create a dummy depfile, to avoid errors with the # Makefile "include basename.Plo" scheme. make_dummy_depfile () { echo "#dummy" > "$depfile" } # Factor out some common post-processing of the generated depfile. # Requires the auxiliary global variable '$tmpdepfile' to be set. aix_post_process_depfile () { # If the compiler actually managed to produce a dependency file, # post-process it. if test -f "$tmpdepfile"; then # Each line is of the form 'foo.o: dependency.h'. # Do two passes, one to just change these to # $object: dependency.h # and one to simply output # dependency.h: # which is needed to avoid the deleted-header problem. { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" } > "$depfile" rm -f "$tmpdepfile" else make_dummy_depfile fi } # A tabulation character. tab=' ' # A newline character. nl=' ' # Character ranges might be problematic outside the C locale. # These definitions help. upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ lower=abcdefghijklmnopqrstuvwxyz digits=0123456789 alpha=${upper}${lower} if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Avoid interferences from the environment. gccflag= dashmflag= # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts '$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done aix_post_process_depfile ;; tcc) # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 # FIXME: That version still under development at the moment of writing. # Make that this statement remains true also for stable, released # versions. # It will wrap lines (doesn't matter whether long or short) with a # trailing '\', as in: # # foo.o : \ # foo.c \ # foo.h \ # # It will put a trailing '\' even on the last line, and will use leading # spaces rather than leading tabs (at least since its commit 0394caf7 # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. # We have to change lines of the first kind to '$object: \'. sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" # And for each line of the second kind, we have to emit a 'dep.h:' # dummy dependency, to avoid the deleted-header problem. sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; ## The order of this option in the case statement is important, since the ## shell code in configure will try each of these formats in the order ## listed in this file. A plain '-MD' option would be understood by many ## compilers, so we must ensure this comes after the gcc and icc options. pgcc) # Portland's C compiler understands '-MD'. # Will always output deps to 'file.d' where file is the root name of the # source file under compilation, even if file resides in a subdirectory. # The object file name does not affect the name of the '.d' file. # pgcc 10.2 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using '\' : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... set_dir_from "$object" # Use the source, not the object, to determine the base name, since # that's sadly what pgcc will do too. set_base_from "$source" tmpdepfile=$base.d # For projects that build the same source file twice into different object # files, the pgcc approach of using the *source* file root name can cause # problems in parallel builds. Use a locking strategy to avoid stomping on # the same $tmpdepfile. lockdir=$base.d-lock trap " echo '$0: caught signal, cleaning up...' >&2 rmdir '$lockdir' exit 1 " 1 2 13 15 numtries=100 i=$numtries while test $i -gt 0; do # mkdir is a portable test-and-set. if mkdir "$lockdir" 2>/dev/null; then # This process acquired the lock. "$@" -MD stat=$? # Release the lock. rmdir "$lockdir" break else # If the lock is being held by a different process, wait # until the winning process is done or we timeout. while test -d "$lockdir" && test $i -gt 0; do sleep 1 i=`expr $i - 1` done fi i=`expr $i - 1` done trap - 1 2 13 15 if test $i -le 0; then echo "$0: failed to acquire lock after $numtries attempts" >&2 echo "$0: check lockdir '$lockdir'" >&2 exit 1 fi if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. The correct option # to use with these is +Maked; it writes dependencies to a file named # 'foo.d', which lands next to the object file, wherever that # happens to be. # Much of this is similar to the tru64 case; see comments there. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.d tmpdepfile2=$dir.libs/$base.d "$@" -Wc,+Maked else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d "$@" +Maked fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" # Add 'dependent.h:' lines. sed -ne '2,${ s/^ *// s/ \\*$// s/$/:/ p }' "$tmpdepfile" >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" "$tmpdepfile2" ;; tru64) # The Tru64 compiler uses -MD to generate dependencies as a side # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put # dependencies in 'foo.d' instead, so we check for that too. # Subdirectories are respected. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then # Libtool generates 2 separate objects for the 2 libraries. These # two compilations output dependencies in $dir.libs/$base.o.d and # in $dir$base.o.d. We have to check for both files, because # one of the two compilations can be disabled. We should prefer # $dir$base.o.d over $dir.libs/$base.o.d because the latter is # automatically cleaned when .libs/ is deleted, while ignoring # the former would cause a distcleancheck panic. tmpdepfile1=$dir$base.o.d # libtool 1.5 tmpdepfile2=$dir.libs/$base.o.d # Likewise. tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 "$@" -Wc,-MD else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d tmpdepfile3=$dir$base.d "$@" -MD fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done # Same post-processing that is required for AIX mode. aix_post_process_depfile ;; msvc7) if test "$libtool" = yes; then showIncludes=-Wc,-showIncludes else showIncludes=-showIncludes fi "$@" $showIncludes > "$tmpdepfile" stat=$? grep -v '^Note: including file: ' "$tmpdepfile" if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The first sed program below extracts the file names and escapes # backslashes for cygpath. The second sed program outputs the file # name when reading, but also accumulates all include files in the # hold buffer in order to output them again at the end. This only # works with sed implementations that can handle large buffers. sed < "$tmpdepfile" -n ' /^Note: including file: *\(.*\)/ { s//\1/ s/\\/\\\\/g p }' | $cygpath_u | sort -u | sed -n ' s/ /\\ /g s/\(.*\)/'"$tab"'\1 \\/p s/.\(.*\) \\/\1:/ H $ { s/.*/'"$tab"'/ G p }' >> "$depfile" echo >> "$depfile" # make sure the fragment doesn't end with a backslash rm -f "$tmpdepfile" ;; msvc7msys) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; #nosideeffect) # This comment above is used by automake to tell side-effect # dependency tracking mechanisms from slower ones. dashmstdout) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout, regardless of -o. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove '-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done test -z "$dashmflag" && dashmflag=-M # Require at least two characters before searching for ':' # in the target name. This is to cope with DOS-style filenames: # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. "$@" $dashmflag | sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this sed invocation # correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; dashXmstdout) # This case only exists to satisfy depend.m4. It is never actually # run, as this mode is specially recognized in the preamble. exit 1 ;; makedepend) "$@" || exit $? # Remove any Libtool call if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # X makedepend shift cleared=no eat=no for arg do case $cleared in no) set ""; shift cleared=yes ;; esac if test $eat = yes; then eat=no continue fi case "$arg" in -D*|-I*) set fnord "$@" "$arg"; shift ;; # Strip any option that makedepend may not understand. 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"$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove '-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done "$@" -E \ | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ | sed '$ s: \\$::' > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" cat < "$tmpdepfile" >> "$depfile" sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; msvisualcpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. 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See the file COPYING.LIB. */ #ifndef _FUSE_OPT_H_ #define _FUSE_OPT_H_ /** @file * * This file defines the option parsing interface of FUSE */ #ifdef __cplusplus extern "C" { #endif /** * Option description * * This structure describes a single option, and action associated * with it, in case it matches. * * More than one such match may occur, in which case the action for * each match is executed. * * There are three possible actions in case of a match: * * i) An integer (int or unsigned) variable determined by 'offset' is * set to 'value' * * ii) The processing function is called, with 'value' as the key * * iii) An integer (any) or string (char *) variable determined by * 'offset' is set to the value of an option parameter * * 'offset' should normally be either set to * * - 'offsetof(struct foo, member)' actions i) and iii) * * - -1 action ii) * * The 'offsetof()' macro is defined in the header. * * The template determines which options match, and also have an * effect on the action. Normally the action is either i) or ii), but * if a format is present in the template, then action iii) is * performed. * * The types of templates are: * * 1) "-x", "-foo", "--foo", "--foo-bar", etc. These match only * themselves. Invalid values are "--" and anything beginning * with "-o" * * 2) "foo", "foo-bar", etc. These match "-ofoo", "-ofoo-bar" or * the relevant option in a comma separated option list * * 3) "bar=", "--foo=", etc. These are variations of 1) and 2) * which have a parameter * * 4) "bar=%s", "--foo=%lu", etc. Same matching as above but perform * action iii). * * 5) "-x ", etc. Matches either "-xparam" or "-x param" as * two separate arguments * * 6) "-x %s", etc. Combination of 4) and 5) * * If the format is "%s", memory is allocated for the string unlike * with scanf(). */ struct fuse_opt { /** Matching template and optional parameter formatting */ const char *templ; /** * Offset of variable within 'data' parameter of fuse_opt_parse() * or -1 */ unsigned long offset; /** * Value to set the variable to, or to be passed as 'key' to the * processing function. Ignored if template has a format */ int value; }; /** * Key option. In case of a match, the processing function will be * called with the specified key. */ #define FUSE_OPT_KEY(templ, key) { templ, -1U, key } /** * Last option. An array of 'struct fuse_opt' must end with a NULL * template value */ #define FUSE_OPT_END { NULL, 0, 0 } /** * Argument list */ struct fuse_args { /** Argument count */ int argc; /** Argument vector. NULL terminated */ char **argv; /** Is 'argv' allocated? */ int allocated; }; /** * Initializer for 'struct fuse_args' */ #define FUSE_ARGS_INIT(argc, argv) { argc, argv, 0 } /** * Key value passed to the processing function if an option did not * match any template */ #define FUSE_OPT_KEY_OPT -1 /** * Key value passed to the processing function for all non-options * * Non-options are the arguments beginning with a character other than * '-' or all arguments after the special '--' option */ #define FUSE_OPT_KEY_NONOPT -2 /** * Special key value for options to keep * * Argument is not passed to processing function, but behave as if the * processing function returned 1 */ #define FUSE_OPT_KEY_KEEP -3 /** * Special key value for options to discard * * Argument is not passed to processing function, but behave as if the * processing function returned zero */ #define FUSE_OPT_KEY_DISCARD -4 /** * Processing function * * This function is called if * - option did not match any 'struct fuse_opt' * - argument is a non-option * - option did match and offset was set to -1 * * The 'arg' parameter will always contain the whole argument or * option including the parameter if exists. A two-argument option * ("-x foo") is always converted to single argument option of the * form "-xfoo" before this function is called. * * Options of the form '-ofoo' are passed to this function without the * '-o' prefix. * * The return value of this function determines whether this argument * is to be inserted into the output argument vector, or discarded. * * @param data is the user data passed to the fuse_opt_parse() function * @param arg is the whole argument or option * @param key determines why the processing function was called * @param outargs the current output argument list * @return -1 on error, 0 if arg is to be discarded, 1 if arg should be kept */ typedef int (*fuse_opt_proc_t)(void *data, const char *arg, int key, struct fuse_args *outargs); /** * Option parsing function * * If 'args' was returned from a previous call to fuse_opt_parse() or * it was constructed from * * A NULL 'args' is equivalent to an empty argument vector * * A NULL 'opts' is equivalent to an 'opts' array containing a single * end marker * * A NULL 'proc' is equivalent to a processing function always * returning '1' * * @param args is the input and output argument list * @param data is the user data * @param opts is the option description array * @param proc is the processing function * @return -1 on error, 0 on success */ int fuse_opt_parse(struct fuse_args *args, void *data, const struct fuse_opt opts[], fuse_opt_proc_t proc); /** * Add an option to a comma separated option list * * @param opts is a pointer to an option list, may point to a NULL value * @param opt is the option to add * @return -1 on allocation error, 0 on success */ int fuse_opt_add_opt(char **opts, const char *opt); /** * Add an option, escaping commas, to a comma separated option list * * @param opts is a pointer to an option list, may point to a NULL value * @param opt is the option to add * @return -1 on allocation error, 0 on success */ int fuse_opt_add_opt_escaped(char **opts, const char *opt); /** * Add an argument to a NULL terminated argument vector * * @param args is the structure containing the current argument list * @param arg is the new argument to add * @return -1 on allocation error, 0 on success */ int fuse_opt_add_arg(struct fuse_args *args, const char *arg); /** * Add an argument at the specified position in a NULL terminated * argument vector * * Adds the argument to the N-th position. This is useful for adding * options at the beginning of the array which must not come after the * special '--' option. * * @param args is the structure containing the current argument list * @param pos is the position at which to add the argument * @param arg is the new argument to add * @return -1 on allocation error, 0 on success */ int fuse_opt_insert_arg(struct fuse_args *args, int pos, const char *arg); /** * Free the contents of argument list * * The structure itself is not freed * * @param args is the structure containing the argument list */ void fuse_opt_free_args(struct fuse_args *args); /** * Check if an option matches * * @param opts is the option description array * @param opt is the option to match * @return 1 if a match is found, 0 if not */ int fuse_opt_match(const struct fuse_opt opts[], const char *opt); #ifdef __cplusplus } #endif #endif /* _FUSE_OPT_H_ */ fuse-2.9.7/include/Makefile.am0000644000175000017500000000053012732044227013074 00000000000000## Process this file with automake to produce Makefile.in fuseincludedir=$(includedir)/fuse fuseinclude_HEADERS = \ fuse.h \ fuse_compat.h \ fuse_common.h \ fuse_common_compat.h \ fuse_lowlevel.h \ fuse_lowlevel_compat.h \ fuse_opt.h \ cuse_lowlevel.h include_HEADERS = old/fuse.h ulockmgr.h noinst_HEADERS = fuse_kernel.h fuse-2.9.7/include/fuse_common.h0000644000175000017500000003051012732044227013524 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ /** @file */ #if !defined(_FUSE_H_) && !defined(_FUSE_LOWLEVEL_H_) #error "Never include directly; use or instead." #endif #ifndef _FUSE_COMMON_H_ #define _FUSE_COMMON_H_ #include "fuse_opt.h" #include #include /** Major version of FUSE library interface */ #define FUSE_MAJOR_VERSION 2 /** Minor version of FUSE library interface */ #define FUSE_MINOR_VERSION 9 #define FUSE_MAKE_VERSION(maj, min) ((maj) * 10 + (min)) #define FUSE_VERSION FUSE_MAKE_VERSION(FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION) /* This interface uses 64 bit off_t */ #if _FILE_OFFSET_BITS != 64 #error Please add -D_FILE_OFFSET_BITS=64 to your compile flags! #endif #ifdef __cplusplus extern "C" { #endif /** * Information about open files * * Changed in version 2.5 */ struct fuse_file_info { /** Open flags. Available in open() and release() */ int flags; /** Old file handle, don't use */ unsigned long fh_old; /** In case of a write operation indicates if this was caused by a writepage */ int writepage; /** Can be filled in by open, to use direct I/O on this file. Introduced in version 2.4 */ unsigned int direct_io : 1; /** Can be filled in by open, to indicate, that cached file data need not be invalidated. Introduced in version 2.4 */ unsigned int keep_cache : 1; /** Indicates a flush operation. Set in flush operation, also maybe set in highlevel lock operation and lowlevel release operation. Introduced in version 2.6 */ unsigned int flush : 1; /** Can be filled in by open, to indicate that the file is not seekable. Introduced in version 2.8 */ unsigned int nonseekable : 1; /* Indicates that flock locks for this file should be released. If set, lock_owner shall contain a valid value. May only be set in ->release(). Introduced in version 2.9 */ unsigned int flock_release : 1; /** Padding. Do not use*/ unsigned int padding : 27; /** File handle. May be filled in by filesystem in open(). Available in all other file operations */ uint64_t fh; /** Lock owner id. Available in locking operations and flush */ uint64_t lock_owner; }; /** * Capability bits for 'fuse_conn_info.capable' and 'fuse_conn_info.want' * * FUSE_CAP_ASYNC_READ: filesystem supports asynchronous read requests * FUSE_CAP_POSIX_LOCKS: filesystem supports "remote" locking * FUSE_CAP_ATOMIC_O_TRUNC: filesystem handles the O_TRUNC open flag * FUSE_CAP_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." * FUSE_CAP_BIG_WRITES: filesystem can handle write size larger than 4kB * FUSE_CAP_DONT_MASK: don't apply umask to file mode on create operations * FUSE_CAP_SPLICE_WRITE: ability to use splice() to write to the fuse device * FUSE_CAP_SPLICE_MOVE: ability to move data to the fuse device with splice() * FUSE_CAP_SPLICE_READ: ability to use splice() to read from the fuse device * FUSE_CAP_IOCTL_DIR: ioctl support on directories */ #define FUSE_CAP_ASYNC_READ (1 << 0) #define FUSE_CAP_POSIX_LOCKS (1 << 1) #define FUSE_CAP_ATOMIC_O_TRUNC (1 << 3) #define FUSE_CAP_EXPORT_SUPPORT (1 << 4) #define FUSE_CAP_BIG_WRITES (1 << 5) #define FUSE_CAP_DONT_MASK (1 << 6) #define FUSE_CAP_SPLICE_WRITE (1 << 7) #define FUSE_CAP_SPLICE_MOVE (1 << 8) #define FUSE_CAP_SPLICE_READ (1 << 9) #define FUSE_CAP_FLOCK_LOCKS (1 << 10) #define FUSE_CAP_IOCTL_DIR (1 << 11) /** * Ioctl flags * * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine * FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed * FUSE_IOCTL_RETRY: retry with new iovecs * FUSE_IOCTL_DIR: is a directory * * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs */ #define FUSE_IOCTL_COMPAT (1 << 0) #define FUSE_IOCTL_UNRESTRICTED (1 << 1) #define FUSE_IOCTL_RETRY (1 << 2) #define FUSE_IOCTL_DIR (1 << 4) #define FUSE_IOCTL_MAX_IOV 256 /** * Connection information, passed to the ->init() method * * Some of the elements are read-write, these can be changed to * indicate the value requested by the filesystem. The requested * value must usually be smaller than the indicated value. */ struct fuse_conn_info { /** * Major version of the protocol (read-only) */ unsigned proto_major; /** * Minor version of the protocol (read-only) */ unsigned proto_minor; /** * Is asynchronous read supported (read-write) */ unsigned async_read; /** * Maximum size of the write buffer */ unsigned max_write; /** * Maximum readahead */ unsigned max_readahead; /** * Capability flags, that the kernel supports */ unsigned capable; /** * Capability flags, that the filesystem wants to enable */ unsigned want; /** * Maximum number of backgrounded requests */ unsigned max_background; /** * Kernel congestion threshold parameter */ unsigned congestion_threshold; /** * For future use. */ unsigned reserved[23]; }; struct fuse_session; struct fuse_chan; struct fuse_pollhandle; /** * Create a FUSE mountpoint * * Returns a control file descriptor suitable for passing to * fuse_new() * * @param mountpoint the mount point path * @param args argument vector * @return the communication channel on success, NULL on failure */ struct fuse_chan *fuse_mount(const char *mountpoint, struct fuse_args *args); /** * Umount a FUSE mountpoint * * @param mountpoint the mount point path * @param ch the communication channel */ void fuse_unmount(const char *mountpoint, struct fuse_chan *ch); /** * Parse common options * * The following options are parsed: * * '-f' foreground * '-d' '-odebug' foreground, but keep the debug option * '-s' single threaded * '-h' '--help' help * '-ho' help without header * '-ofsname=..' file system name, if not present, then set to the program * name * * All parameters may be NULL * * @param args argument vector * @param mountpoint the returned mountpoint, should be freed after use * @param multithreaded set to 1 unless the '-s' option is present * @param foreground set to 1 if one of the relevant options is present * @return 0 on success, -1 on failure */ int fuse_parse_cmdline(struct fuse_args *args, char **mountpoint, int *multithreaded, int *foreground); /** * Go into the background * * @param foreground if true, stay in the foreground * @return 0 on success, -1 on failure */ int fuse_daemonize(int foreground); /** * Get the version of the library * * @return the version */ int fuse_version(void); /** * Destroy poll handle * * @param ph the poll handle */ void fuse_pollhandle_destroy(struct fuse_pollhandle *ph); /* ----------------------------------------------------------- * * Data buffer * * ----------------------------------------------------------- */ /** * Buffer flags */ enum fuse_buf_flags { /** * Buffer contains a file descriptor * * If this flag is set, the .fd field is valid, otherwise the * .mem fields is valid. */ FUSE_BUF_IS_FD = (1 << 1), /** * Seek on the file descriptor * * If this flag is set then the .pos field is valid and is * used to seek to the given offset before performing * operation on file descriptor. */ FUSE_BUF_FD_SEEK = (1 << 2), /** * Retry operation on file descriptor * * If this flag is set then retry operation on file descriptor * until .size bytes have been copied or an error or EOF is * detected. */ FUSE_BUF_FD_RETRY = (1 << 3), }; /** * Buffer copy flags */ enum fuse_buf_copy_flags { /** * Don't use splice(2) * * Always fall back to using read and write instead of * splice(2) to copy data from one file descriptor to another. * * If this flag is not set, then only fall back if splice is * unavailable. */ FUSE_BUF_NO_SPLICE = (1 << 1), /** * Force splice * * Always use splice(2) to copy data from one file descriptor * to another. If splice is not available, return -EINVAL. */ FUSE_BUF_FORCE_SPLICE = (1 << 2), /** * Try to move data with splice. * * If splice is used, try to move pages from the source to the * destination instead of copying. See documentation of * SPLICE_F_MOVE in splice(2) man page. */ FUSE_BUF_SPLICE_MOVE = (1 << 3), /** * Don't block on the pipe when copying data with splice * * Makes the operations on the pipe non-blocking (if the pipe * is full or empty). See SPLICE_F_NONBLOCK in the splice(2) * man page. */ FUSE_BUF_SPLICE_NONBLOCK= (1 << 4), }; /** * Single data buffer * * Generic data buffer for I/O, extended attributes, etc... Data may * be supplied as a memory pointer or as a file descriptor */ struct fuse_buf { /** * Size of data in bytes */ size_t size; /** * Buffer flags */ enum fuse_buf_flags flags; /** * Memory pointer * * Used unless FUSE_BUF_IS_FD flag is set. */ void *mem; /** * File descriptor * * Used if FUSE_BUF_IS_FD flag is set. */ int fd; /** * File position * * Used if FUSE_BUF_FD_SEEK flag is set. */ off_t pos; }; /** * Data buffer vector * * An array of data buffers, each containing a memory pointer or a * file descriptor. * * Allocate dynamically to add more than one buffer. */ struct fuse_bufvec { /** * Number of buffers in the array */ size_t count; /** * Index of current buffer within the array */ size_t idx; /** * Current offset within the current buffer */ size_t off; /** * Array of buffers */ struct fuse_buf buf[1]; }; /* Initialize bufvec with a single buffer of given size */ #define FUSE_BUFVEC_INIT(size__) \ ((struct fuse_bufvec) { \ /* .count= */ 1, \ /* .idx = */ 0, \ /* .off = */ 0, \ /* .buf = */ { /* [0] = */ { \ /* .size = */ (size__), \ /* .flags = */ (enum fuse_buf_flags) 0, \ /* .mem = */ NULL, \ /* .fd = */ -1, \ /* .pos = */ 0, \ } } \ } ) /** * Get total size of data in a fuse buffer vector * * @param bufv buffer vector * @return size of data */ size_t fuse_buf_size(const struct fuse_bufvec *bufv); /** * Copy data from one buffer vector to another * * @param dst destination buffer vector * @param src source buffer vector * @param flags flags controlling the copy * @return actual number of bytes copied or -errno on error */ ssize_t fuse_buf_copy(struct fuse_bufvec *dst, struct fuse_bufvec *src, enum fuse_buf_copy_flags flags); /* ----------------------------------------------------------- * * Signal handling * * ----------------------------------------------------------- */ /** * Exit session on HUP, TERM and INT signals and ignore PIPE signal * * Stores session in a global variable. May only be called once per * process until fuse_remove_signal_handlers() is called. * * @param se the session to exit * @return 0 on success, -1 on failure */ int fuse_set_signal_handlers(struct fuse_session *se); /** * Restore default signal handlers * * Resets global session. After this fuse_set_signal_handlers() may * be called again. * * @param se the same session as given in fuse_set_signal_handlers() */ void fuse_remove_signal_handlers(struct fuse_session *se); /* ----------------------------------------------------------- * * Compatibility stuff * * ----------------------------------------------------------- */ #if FUSE_USE_VERSION < 26 # ifdef __FreeBSD__ # if FUSE_USE_VERSION < 25 # error On FreeBSD API version 25 or greater must be used # endif # endif # include "fuse_common_compat.h" # undef FUSE_MINOR_VERSION # undef fuse_main # define fuse_unmount fuse_unmount_compat22 # if FUSE_USE_VERSION == 25 # define FUSE_MINOR_VERSION 5 # define fuse_mount fuse_mount_compat25 # elif FUSE_USE_VERSION == 24 || FUSE_USE_VERSION == 22 # define FUSE_MINOR_VERSION 4 # define fuse_mount fuse_mount_compat22 # elif FUSE_USE_VERSION == 21 # define FUSE_MINOR_VERSION 1 # define fuse_mount fuse_mount_compat22 # elif FUSE_USE_VERSION == 11 # warning Compatibility with API version 11 is deprecated # undef FUSE_MAJOR_VERSION # define FUSE_MAJOR_VERSION 1 # define FUSE_MINOR_VERSION 1 # define fuse_mount fuse_mount_compat1 # else # error Compatibility with API version other than 21, 22, 24, 25 and 11 not supported # endif #endif #ifdef __cplusplus } #endif #endif /* _FUSE_COMMON_H_ */ fuse-2.9.7/include/fuse_lowlevel.h0000644000175000017500000014740712732044227014103 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #ifndef _FUSE_LOWLEVEL_H_ #define _FUSE_LOWLEVEL_H_ /** @file * * Low level API * * IMPORTANT: you should define FUSE_USE_VERSION before including this * header. To use the newest API define it to 26 (recommended for any * new application), to use the old API define it to 24 (default) or * 25 */ #ifndef FUSE_USE_VERSION #define FUSE_USE_VERSION 24 #endif #include "fuse_common.h" #include #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif /* ----------------------------------------------------------- * * Miscellaneous definitions * * ----------------------------------------------------------- */ /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 /** Inode number type */ typedef unsigned long fuse_ino_t; /** Request pointer type */ typedef struct fuse_req *fuse_req_t; /** * Session * * This provides hooks for processing requests, and exiting */ struct fuse_session; /** * Channel * * A communication channel, providing hooks for sending and receiving * messages */ struct fuse_chan; /** Directory entry parameters supplied to fuse_reply_entry() */ struct fuse_entry_param { /** Unique inode number * * In lookup, zero means negative entry (from version 2.5) * Returning ENOENT also means negative entry, but by setting zero * ino the kernel may cache negative entries for entry_timeout * seconds. */ fuse_ino_t ino; /** Generation number for this entry. * * If the file system will be exported over NFS, the * ino/generation pairs need to be unique over the file * system's lifetime (rather than just the mount time). So if * the file system reuses an inode after it has been deleted, * it must assign a new, previously unused generation number * to the inode at the same time. * * The generation must be non-zero, otherwise FUSE will treat * it as an error. * */ unsigned long generation; /** Inode attributes. * * Even if attr_timeout == 0, attr must be correct. For example, * for open(), FUSE uses attr.st_size from lookup() to determine * how many bytes to request. If this value is not correct, * incorrect data will be returned. */ struct stat attr; /** Validity timeout (in seconds) for the attributes */ double attr_timeout; /** Validity timeout (in seconds) for the name */ double entry_timeout; }; /** Additional context associated with requests */ struct fuse_ctx { /** User ID of the calling process */ uid_t uid; /** Group ID of the calling process */ gid_t gid; /** Thread ID of the calling process */ pid_t pid; /** Umask of the calling process (introduced in version 2.8) */ mode_t umask; }; struct fuse_forget_data { uint64_t ino; uint64_t nlookup; }; /* 'to_set' flags in setattr */ #define FUSE_SET_ATTR_MODE (1 << 0) #define FUSE_SET_ATTR_UID (1 << 1) #define FUSE_SET_ATTR_GID (1 << 2) #define FUSE_SET_ATTR_SIZE (1 << 3) #define FUSE_SET_ATTR_ATIME (1 << 4) #define FUSE_SET_ATTR_MTIME (1 << 5) #define FUSE_SET_ATTR_ATIME_NOW (1 << 7) #define FUSE_SET_ATTR_MTIME_NOW (1 << 8) /* ----------------------------------------------------------- * * Request methods and replies * * ----------------------------------------------------------- */ /** * Low level filesystem operations * * Most of the methods (with the exception of init and destroy) * receive a request handle (fuse_req_t) as their first argument. * This handle must be passed to one of the specified reply functions. * * This may be done inside the method invocation, or after the call * has returned. The request handle is valid until one of the reply * functions is called. * * Other pointer arguments (name, fuse_file_info, etc) are not valid * after the call has returned, so if they are needed later, their * contents have to be copied. * * The filesystem sometimes needs to handle a return value of -ENOENT * from the reply function, which means, that the request was * interrupted, and the reply discarded. For example if * fuse_reply_open() return -ENOENT means, that the release method for * this file will not be called. */ struct fuse_lowlevel_ops { /** * Initialize filesystem * * Called before any other filesystem method * * There's no reply to this function * * @param userdata the user data passed to fuse_lowlevel_new() */ void (*init) (void *userdata, struct fuse_conn_info *conn); /** * Clean up filesystem * * Called on filesystem exit * * There's no reply to this function * * @param userdata the user data passed to fuse_lowlevel_new() */ void (*destroy) (void *userdata); /** * Look up a directory entry by name and get its attributes. * * Valid replies: * fuse_reply_entry * fuse_reply_err * * @param req request handle * @param parent inode number of the parent directory * @param name the name to look up */ void (*lookup) (fuse_req_t req, fuse_ino_t parent, const char *name); /** * Forget about an inode * * This function is called when the kernel removes an inode * from its internal caches. * * The inode's lookup count increases by one for every call to * fuse_reply_entry and fuse_reply_create. The nlookup parameter * indicates by how much the lookup count should be decreased. * * Inodes with a non-zero lookup count may receive request from * the kernel even after calls to unlink, rmdir or (when * overwriting an existing file) rename. Filesystems must handle * such requests properly and it is recommended to defer removal * of the inode until the lookup count reaches zero. Calls to * unlink, remdir or rename will be followed closely by forget * unless the file or directory is open, in which case the * kernel issues forget only after the release or releasedir * calls. * * Note that if a file system will be exported over NFS the * inodes lifetime must extend even beyond forget. See the * generation field in struct fuse_entry_param above. * * On unmount the lookup count for all inodes implicitly drops * to zero. It is not guaranteed that the file system will * receive corresponding forget messages for the affected * inodes. * * Valid replies: * fuse_reply_none * * @param req request handle * @param ino the inode number * @param nlookup the number of lookups to forget */ void (*forget) (fuse_req_t req, fuse_ino_t ino, unsigned long nlookup); /** * Get file attributes * * Valid replies: * fuse_reply_attr * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi for future use, currently always NULL */ void (*getattr) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); /** * Set file attributes * * In the 'attr' argument only members indicated by the 'to_set' * bitmask contain valid values. Other members contain undefined * values. * * If the setattr was invoked from the ftruncate() system call * under Linux kernel versions 2.6.15 or later, the fi->fh will * contain the value set by the open method or will be undefined * if the open method didn't set any value. Otherwise (not * ftruncate call, or kernel version earlier than 2.6.15) the fi * parameter will be NULL. * * Valid replies: * fuse_reply_attr * fuse_reply_err * * @param req request handle * @param ino the inode number * @param attr the attributes * @param to_set bit mask of attributes which should be set * @param fi file information, or NULL * * Changed in version 2.5: * file information filled in for ftruncate */ void (*setattr) (fuse_req_t req, fuse_ino_t ino, struct stat *attr, int to_set, struct fuse_file_info *fi); /** * Read symbolic link * * Valid replies: * fuse_reply_readlink * fuse_reply_err * * @param req request handle * @param ino the inode number */ void (*readlink) (fuse_req_t req, fuse_ino_t ino); /** * Create file node * * Create a regular file, character device, block device, fifo or * socket node. * * Valid replies: * fuse_reply_entry * fuse_reply_err * * @param req request handle * @param parent inode number of the parent directory * @param name to create * @param mode file type and mode with which to create the new file * @param rdev the device number (only valid if created file is a device) */ void (*mknod) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, dev_t rdev); /** * Create a directory * * Valid replies: * fuse_reply_entry * fuse_reply_err * * @param req request handle * @param parent inode number of the parent directory * @param name to create * @param mode with which to create the new file */ void (*mkdir) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode); /** * Remove a file * * If the file's inode's lookup count is non-zero, the file * system is expected to postpone any removal of the inode * until the lookup count reaches zero (see description of the * forget function). * * Valid replies: * fuse_reply_err * * @param req request handle * @param parent inode number of the parent directory * @param name to remove */ void (*unlink) (fuse_req_t req, fuse_ino_t parent, const char *name); /** * Remove a directory * * If the directory's inode's lookup count is non-zero, the * file system is expected to postpone any removal of the * inode until the lookup count reaches zero (see description * of the forget function). * * Valid replies: * fuse_reply_err * * @param req request handle * @param parent inode number of the parent directory * @param name to remove */ void (*rmdir) (fuse_req_t req, fuse_ino_t parent, const char *name); /** * Create a symbolic link * * Valid replies: * fuse_reply_entry * fuse_reply_err * * @param req request handle * @param link the contents of the symbolic link * @param parent inode number of the parent directory * @param name to create */ void (*symlink) (fuse_req_t req, const char *link, fuse_ino_t parent, const char *name); /** Rename a file * * If the target exists it should be atomically replaced. If * the target's inode's lookup count is non-zero, the file * system is expected to postpone any removal of the inode * until the lookup count reaches zero (see description of the * forget function). * * Valid replies: * fuse_reply_err * * @param req request handle * @param parent inode number of the old parent directory * @param name old name * @param newparent inode number of the new parent directory * @param newname new name */ void (*rename) (fuse_req_t req, fuse_ino_t parent, const char *name, fuse_ino_t newparent, const char *newname); /** * Create a hard link * * Valid replies: * fuse_reply_entry * fuse_reply_err * * @param req request handle * @param ino the old inode number * @param newparent inode number of the new parent directory * @param newname new name to create */ void (*link) (fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, const char *newname); /** * Open a file * * Open flags (with the exception of O_CREAT, O_EXCL, O_NOCTTY and * O_TRUNC) are available in fi->flags. * * Filesystem may store an arbitrary file handle (pointer, index, * etc) in fi->fh, and use this in other all other file operations * (read, write, flush, release, fsync). * * Filesystem may also implement stateless file I/O and not store * anything in fi->fh. * * There are also some flags (direct_io, keep_cache) which the * filesystem may set in fi, to change the way the file is opened. * See fuse_file_info structure in for more details. * * Valid replies: * fuse_reply_open * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information */ void (*open) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); /** * Read data * * Read should send exactly the number of bytes requested except * on EOF or error, otherwise the rest of the data will be * substituted with zeroes. An exception to this is when the file * has been opened in 'direct_io' mode, in which case the return * value of the read system call will reflect the return value of * this operation. * * fi->fh will contain the value set by the open method, or will * be undefined if the open method didn't set any value. * * Valid replies: * fuse_reply_buf * fuse_reply_iov * fuse_reply_data * fuse_reply_err * * @param req request handle * @param ino the inode number * @param size number of bytes to read * @param off offset to read from * @param fi file information */ void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi); /** * Write data * * Write should return exactly the number of bytes requested * except on error. An exception to this is when the file has * been opened in 'direct_io' mode, in which case the return value * of the write system call will reflect the return value of this * operation. * * fi->fh will contain the value set by the open method, or will * be undefined if the open method didn't set any value. * * Valid replies: * fuse_reply_write * fuse_reply_err * * @param req request handle * @param ino the inode number * @param buf data to write * @param size number of bytes to write * @param off offset to write to * @param fi file information */ void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf, size_t size, off_t off, struct fuse_file_info *fi); /** * Flush method * * This is called on each close() of the opened file. * * Since file descriptors can be duplicated (dup, dup2, fork), for * one open call there may be many flush calls. * * Filesystems shouldn't assume that flush will always be called * after some writes, or that if will be called at all. * * fi->fh will contain the value set by the open method, or will * be undefined if the open method didn't set any value. * * NOTE: the name of the method is misleading, since (unlike * fsync) the filesystem is not forced to flush pending writes. * One reason to flush data, is if the filesystem wants to return * write errors. * * If the filesystem supports file locking operations (setlk, * getlk) it should remove all locks belonging to 'fi->owner'. * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information */ void (*flush) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); /** * Release an open file * * Release is called when there are no more references to an open * file: all file descriptors are closed and all memory mappings * are unmapped. * * For every open call there will be exactly one release call. * * The filesystem may reply with an error, but error values are * not returned to close() or munmap() which triggered the * release. * * fi->fh will contain the value set by the open method, or will * be undefined if the open method didn't set any value. * fi->flags will contain the same flags as for open. * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information */ void (*release) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); /** * Synchronize file contents * * If the datasync parameter is non-zero, then only the user data * should be flushed, not the meta data. * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param datasync flag indicating if only data should be flushed * @param fi file information */ void (*fsync) (fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi); /** * Open a directory * * Filesystem may store an arbitrary file handle (pointer, index, * etc) in fi->fh, and use this in other all other directory * stream operations (readdir, releasedir, fsyncdir). * * Filesystem may also implement stateless directory I/O and not * store anything in fi->fh, though that makes it impossible to * implement standard conforming directory stream operations in * case the contents of the directory can change between opendir * and releasedir. * * Valid replies: * fuse_reply_open * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information */ void (*opendir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); /** * Read directory * * Send a buffer filled using fuse_add_direntry(), with size not * exceeding the requested size. Send an empty buffer on end of * stream. * * fi->fh will contain the value set by the opendir method, or * will be undefined if the opendir method didn't set any value. * * Valid replies: * fuse_reply_buf * fuse_reply_data * fuse_reply_err * * @param req request handle * @param ino the inode number * @param size maximum number of bytes to send * @param off offset to continue reading the directory stream * @param fi file information */ void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi); /** * Release an open directory * * For every opendir call there will be exactly one releasedir * call. * * fi->fh will contain the value set by the opendir method, or * will be undefined if the opendir method didn't set any value. * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information */ void (*releasedir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); /** * Synchronize directory contents * * If the datasync parameter is non-zero, then only the directory * contents should be flushed, not the meta data. * * fi->fh will contain the value set by the opendir method, or * will be undefined if the opendir method didn't set any value. * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param datasync flag indicating if only data should be flushed * @param fi file information */ void (*fsyncdir) (fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi); /** * Get file system statistics * * Valid replies: * fuse_reply_statfs * fuse_reply_err * * @param req request handle * @param ino the inode number, zero means "undefined" */ void (*statfs) (fuse_req_t req, fuse_ino_t ino); /** * Set an extended attribute * * Valid replies: * fuse_reply_err */ void (*setxattr) (fuse_req_t req, fuse_ino_t ino, const char *name, const char *value, size_t size, int flags); /** * Get an extended attribute * * If size is zero, the size of the value should be sent with * fuse_reply_xattr. * * If the size is non-zero, and the value fits in the buffer, the * value should be sent with fuse_reply_buf. * * If the size is too small for the value, the ERANGE error should * be sent. * * Valid replies: * fuse_reply_buf * fuse_reply_data * fuse_reply_xattr * fuse_reply_err * * @param req request handle * @param ino the inode number * @param name of the extended attribute * @param size maximum size of the value to send */ void (*getxattr) (fuse_req_t req, fuse_ino_t ino, const char *name, size_t size); /** * List extended attribute names * * If size is zero, the total size of the attribute list should be * sent with fuse_reply_xattr. * * If the size is non-zero, and the null character separated * attribute list fits in the buffer, the list should be sent with * fuse_reply_buf. * * If the size is too small for the list, the ERANGE error should * be sent. * * Valid replies: * fuse_reply_buf * fuse_reply_data * fuse_reply_xattr * fuse_reply_err * * @param req request handle * @param ino the inode number * @param size maximum size of the list to send */ void (*listxattr) (fuse_req_t req, fuse_ino_t ino, size_t size); /** * Remove an extended attribute * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param name of the extended attribute */ void (*removexattr) (fuse_req_t req, fuse_ino_t ino, const char *name); /** * Check file access permissions * * This will be called for the access() system call. If the * 'default_permissions' mount option is given, this method is not * called. * * This method is not called under Linux kernel versions 2.4.x * * Introduced in version 2.5 * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param mask requested access mode */ void (*access) (fuse_req_t req, fuse_ino_t ino, int mask); /** * Create and open a file * * If the file does not exist, first create it with the specified * mode, and then open it. * * Open flags (with the exception of O_NOCTTY) are available in * fi->flags. * * Filesystem may store an arbitrary file handle (pointer, index, * etc) in fi->fh, and use this in other all other file operations * (read, write, flush, release, fsync). * * There are also some flags (direct_io, keep_cache) which the * filesystem may set in fi, to change the way the file is opened. * See fuse_file_info structure in for more details. * * If this method is not implemented or under Linux kernel * versions earlier than 2.6.15, the mknod() and open() methods * will be called instead. * * Introduced in version 2.5 * * Valid replies: * fuse_reply_create * fuse_reply_err * * @param req request handle * @param parent inode number of the parent directory * @param name to create * @param mode file type and mode with which to create the new file * @param fi file information */ void (*create) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, struct fuse_file_info *fi); /** * Test for a POSIX file lock * * Introduced in version 2.6 * * Valid replies: * fuse_reply_lock * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information * @param lock the region/type to test */ void (*getlk) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock); /** * Acquire, modify or release a POSIX file lock * * For POSIX threads (NPTL) there's a 1-1 relation between pid and * owner, but otherwise this is not always the case. For checking * lock ownership, 'fi->owner' must be used. The l_pid field in * 'struct flock' should only be used to fill in this field in * getlk(). * * Note: if the locking methods are not implemented, the kernel * will still allow file locking to work locally. Hence these are * only interesting for network filesystems and similar. * * Introduced in version 2.6 * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information * @param lock the region/type to set * @param sleep locking operation may sleep */ void (*setlk) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock, int sleep); /** * Map block index within file to block index within device * * Note: This makes sense only for block device backed filesystems * mounted with the 'blkdev' option * * Introduced in version 2.6 * * Valid replies: * fuse_reply_bmap * fuse_reply_err * * @param req request handle * @param ino the inode number * @param blocksize unit of block index * @param idx block index within file */ void (*bmap) (fuse_req_t req, fuse_ino_t ino, size_t blocksize, uint64_t idx); /** * Ioctl * * Note: For unrestricted ioctls (not allowed for FUSE * servers), data in and out areas can be discovered by giving * iovs and setting FUSE_IOCTL_RETRY in @flags. For * restricted ioctls, kernel prepares in/out data area * according to the information encoded in cmd. * * Introduced in version 2.8 * * Valid replies: * fuse_reply_ioctl_retry * fuse_reply_ioctl * fuse_reply_ioctl_iov * fuse_reply_err * * @param req request handle * @param ino the inode number * @param cmd ioctl command * @param arg ioctl argument * @param fi file information * @param flags for FUSE_IOCTL_* flags * @param in_buf data fetched from the caller * @param in_bufsz number of fetched bytes * @param out_bufsz maximum size of output data */ void (*ioctl) (fuse_req_t req, fuse_ino_t ino, int cmd, void *arg, struct fuse_file_info *fi, unsigned flags, const void *in_buf, size_t in_bufsz, size_t out_bufsz); /** * Poll for IO readiness * * Introduced in version 2.8 * * Note: If ph is non-NULL, the client should notify * when IO readiness events occur by calling * fuse_lowelevel_notify_poll() with the specified ph. * * Regardless of the number of times poll with a non-NULL ph * is received, single notification is enough to clear all. * Notifying more times incurs overhead but doesn't harm * correctness. * * The callee is responsible for destroying ph with * fuse_pollhandle_destroy() when no longer in use. * * Valid replies: * fuse_reply_poll * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information * @param ph poll handle to be used for notification */ void (*poll) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct fuse_pollhandle *ph); /** * Write data made available in a buffer * * This is a more generic version of the ->write() method. If * FUSE_CAP_SPLICE_READ is set in fuse_conn_info.want and the * kernel supports splicing from the fuse device, then the * data will be made available in pipe for supporting zero * copy data transfer. * * buf->count is guaranteed to be one (and thus buf->idx is * always zero). The write_buf handler must ensure that * bufv->off is correctly updated (reflecting the number of * bytes read from bufv->buf[0]). * * Introduced in version 2.9 * * Valid replies: * fuse_reply_write * fuse_reply_err * * @param req request handle * @param ino the inode number * @param bufv buffer containing the data * @param off offset to write to * @param fi file information */ void (*write_buf) (fuse_req_t req, fuse_ino_t ino, struct fuse_bufvec *bufv, off_t off, struct fuse_file_info *fi); /** * Callback function for the retrieve request * * Introduced in version 2.9 * * Valid replies: * fuse_reply_none * * @param req request handle * @param cookie user data supplied to fuse_lowlevel_notify_retrieve() * @param ino the inode number supplied to fuse_lowlevel_notify_retrieve() * @param offset the offset supplied to fuse_lowlevel_notify_retrieve() * @param bufv the buffer containing the returned data */ void (*retrieve_reply) (fuse_req_t req, void *cookie, fuse_ino_t ino, off_t offset, struct fuse_bufvec *bufv); /** * Forget about multiple inodes * * See description of the forget function for more * information. * * Introduced in version 2.9 * * Valid replies: * fuse_reply_none * * @param req request handle */ void (*forget_multi) (fuse_req_t req, size_t count, struct fuse_forget_data *forgets); /** * Acquire, modify or release a BSD file lock * * Note: if the locking methods are not implemented, the kernel * will still allow file locking to work locally. Hence these are * only interesting for network filesystems and similar. * * Introduced in version 2.9 * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param fi file information * @param op the locking operation, see flock(2) */ void (*flock) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, int op); /** * Allocate requested space. If this function returns success then * subsequent writes to the specified range shall not fail due to the lack * of free space on the file system storage media. * * Introduced in version 2.9 * * Valid replies: * fuse_reply_err * * @param req request handle * @param ino the inode number * @param offset starting point for allocated region * @param length size of allocated region * @param mode determines the operation to be performed on the given range, * see fallocate(2) */ void (*fallocate) (fuse_req_t req, fuse_ino_t ino, int mode, off_t offset, off_t length, struct fuse_file_info *fi); }; /** * Reply with an error code or success * * Possible requests: * all except forget * * unlink, rmdir, rename, flush, release, fsync, fsyncdir, setxattr, * removexattr and setlk may send a zero code * * @param req request handle * @param err the positive error value, or zero for success * @return zero for success, -errno for failure to send reply */ int fuse_reply_err(fuse_req_t req, int err); /** * Don't send reply * * Possible requests: * forget * * @param req request handle */ void fuse_reply_none(fuse_req_t req); /** * Reply with a directory entry * * Possible requests: * lookup, mknod, mkdir, symlink, link * * Side effects: * increments the lookup count on success * * @param req request handle * @param e the entry parameters * @return zero for success, -errno for failure to send reply */ int fuse_reply_entry(fuse_req_t req, const struct fuse_entry_param *e); /** * Reply with a directory entry and open parameters * * currently the following members of 'fi' are used: * fh, direct_io, keep_cache * * Possible requests: * create * * Side effects: * increments the lookup count on success * * @param req request handle * @param e the entry parameters * @param fi file information * @return zero for success, -errno for failure to send reply */ int fuse_reply_create(fuse_req_t req, const struct fuse_entry_param *e, const struct fuse_file_info *fi); /** * Reply with attributes * * Possible requests: * getattr, setattr * * @param req request handle * @param attr the attributes * @param attr_timeout validity timeout (in seconds) for the attributes * @return zero for success, -errno for failure to send reply */ int fuse_reply_attr(fuse_req_t req, const struct stat *attr, double attr_timeout); /** * Reply with the contents of a symbolic link * * Possible requests: * readlink * * @param req request handle * @param link symbolic link contents * @return zero for success, -errno for failure to send reply */ int fuse_reply_readlink(fuse_req_t req, const char *link); /** * Reply with open parameters * * currently the following members of 'fi' are used: * fh, direct_io, keep_cache * * Possible requests: * open, opendir * * @param req request handle * @param fi file information * @return zero for success, -errno for failure to send reply */ int fuse_reply_open(fuse_req_t req, const struct fuse_file_info *fi); /** * Reply with number of bytes written * * Possible requests: * write * * @param req request handle * @param count the number of bytes written * @return zero for success, -errno for failure to send reply */ int fuse_reply_write(fuse_req_t req, size_t count); /** * Reply with data * * Possible requests: * read, readdir, getxattr, listxattr * * @param req request handle * @param buf buffer containing data * @param size the size of data in bytes * @return zero for success, -errno for failure to send reply */ int fuse_reply_buf(fuse_req_t req, const char *buf, size_t size); /** * Reply with data copied/moved from buffer(s) * * Possible requests: * read, readdir, getxattr, listxattr * * @param req request handle * @param bufv buffer vector * @param flags flags controlling the copy * @return zero for success, -errno for failure to send reply */ int fuse_reply_data(fuse_req_t req, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags); /** * Reply with data vector * * Possible requests: * read, readdir, getxattr, listxattr * * @param req request handle * @param iov the vector containing the data * @param count the size of vector * @return zero for success, -errno for failure to send reply */ int fuse_reply_iov(fuse_req_t req, const struct iovec *iov, int count); /** * Reply with filesystem statistics * * Possible requests: * statfs * * @param req request handle * @param stbuf filesystem statistics * @return zero for success, -errno for failure to send reply */ int fuse_reply_statfs(fuse_req_t req, const struct statvfs *stbuf); /** * Reply with needed buffer size * * Possible requests: * getxattr, listxattr * * @param req request handle * @param count the buffer size needed in bytes * @return zero for success, -errno for failure to send reply */ int fuse_reply_xattr(fuse_req_t req, size_t count); /** * Reply with file lock information * * Possible requests: * getlk * * @param req request handle * @param lock the lock information * @return zero for success, -errno for failure to send reply */ int fuse_reply_lock(fuse_req_t req, const struct flock *lock); /** * Reply with block index * * Possible requests: * bmap * * @param req request handle * @param idx block index within device * @return zero for success, -errno for failure to send reply */ int fuse_reply_bmap(fuse_req_t req, uint64_t idx); /* ----------------------------------------------------------- * * Filling a buffer in readdir * * ----------------------------------------------------------- */ /** * Add a directory entry to the buffer * * Buffer needs to be large enough to hold the entry. If it's not, * then the entry is not filled in but the size of the entry is still * returned. The caller can check this by comparing the bufsize * parameter with the returned entry size. If the entry size is * larger than the buffer size, the operation failed. * * From the 'stbuf' argument the st_ino field and bits 12-15 of the * st_mode field are used. The other fields are ignored. * * Note: offsets do not necessarily represent physical offsets, and * could be any marker, that enables the implementation to find a * specific point in the directory stream. * * @param req request handle * @param buf the point where the new entry will be added to the buffer * @param bufsize remaining size of the buffer * @param name the name of the entry * @param stbuf the file attributes * @param off the offset of the next entry * @return the space needed for the entry */ size_t fuse_add_direntry(fuse_req_t req, char *buf, size_t bufsize, const char *name, const struct stat *stbuf, off_t off); /** * Reply to ask for data fetch and output buffer preparation. ioctl * will be retried with the specified input data fetched and output * buffer prepared. * * Possible requests: * ioctl * * @param req request handle * @param in_iov iovec specifying data to fetch from the caller * @param in_count number of entries in in_iov * @param out_iov iovec specifying addresses to write output to * @param out_count number of entries in out_iov * @return zero for success, -errno for failure to send reply */ int fuse_reply_ioctl_retry(fuse_req_t req, const struct iovec *in_iov, size_t in_count, const struct iovec *out_iov, size_t out_count); /** * Reply to finish ioctl * * Possible requests: * ioctl * * @param req request handle * @param result result to be passed to the caller * @param buf buffer containing output data * @param size length of output data */ int fuse_reply_ioctl(fuse_req_t req, int result, const void *buf, size_t size); /** * Reply to finish ioctl with iov buffer * * Possible requests: * ioctl * * @param req request handle * @param result result to be passed to the caller * @param iov the vector containing the data * @param count the size of vector */ int fuse_reply_ioctl_iov(fuse_req_t req, int result, const struct iovec *iov, int count); /** * Reply with poll result event mask * * @param req request handle * @param revents poll result event mask */ int fuse_reply_poll(fuse_req_t req, unsigned revents); /* ----------------------------------------------------------- * * Notification * * ----------------------------------------------------------- */ /** * Notify IO readiness event * * For more information, please read comment for poll operation. * * @param ph poll handle to notify IO readiness event for */ int fuse_lowlevel_notify_poll(struct fuse_pollhandle *ph); /** * Notify to invalidate cache for an inode * * @param ch the channel through which to send the invalidation * @param ino the inode number * @param off the offset in the inode where to start invalidating * or negative to invalidate attributes only * @param len the amount of cache to invalidate or 0 for all * @return zero for success, -errno for failure */ int fuse_lowlevel_notify_inval_inode(struct fuse_chan *ch, fuse_ino_t ino, off_t off, off_t len); /** * Notify to invalidate parent attributes and the dentry matching * parent/name * * To avoid a deadlock don't call this function from a filesystem operation and * don't call it with a lock held that can also be held by a filesystem * operation. * * @param ch the channel through which to send the invalidation * @param parent inode number * @param name file name * @param namelen strlen() of file name * @return zero for success, -errno for failure */ int fuse_lowlevel_notify_inval_entry(struct fuse_chan *ch, fuse_ino_t parent, const char *name, size_t namelen); /** * Notify to invalidate parent attributes and delete the dentry matching * parent/name if the dentry's inode number matches child (otherwise it * will invalidate the matching dentry). * * To avoid a deadlock don't call this function from a filesystem operation and * don't call it with a lock held that can also be held by a filesystem * operation. * * @param ch the channel through which to send the notification * @param parent inode number * @param child inode number * @param name file name * @param namelen strlen() of file name * @return zero for success, -errno for failure */ int fuse_lowlevel_notify_delete(struct fuse_chan *ch, fuse_ino_t parent, fuse_ino_t child, const char *name, size_t namelen); /** * Store data to the kernel buffers * * Synchronously store data in the kernel buffers belonging to the * given inode. The stored data is marked up-to-date (no read will be * performed against it, unless it's invalidated or evicted from the * cache). * * If the stored data overflows the current file size, then the size * is extended, similarly to a write(2) on the filesystem. * * If this function returns an error, then the store wasn't fully * completed, but it may have been partially completed. * * @param ch the channel through which to send the invalidation * @param ino the inode number * @param offset the starting offset into the file to store to * @param bufv buffer vector * @param flags flags controlling the copy * @return zero for success, -errno for failure */ int fuse_lowlevel_notify_store(struct fuse_chan *ch, fuse_ino_t ino, off_t offset, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags); /** * Retrieve data from the kernel buffers * * Retrieve data in the kernel buffers belonging to the given inode. * If successful then the retrieve_reply() method will be called with * the returned data. * * Only present pages are returned in the retrieve reply. Retrieving * stops when it finds a non-present page and only data prior to that is * returned. * * If this function returns an error, then the retrieve will not be * completed and no reply will be sent. * * This function doesn't change the dirty state of pages in the kernel * buffer. For dirty pages the write() method will be called * regardless of having been retrieved previously. * * @param ch the channel through which to send the invalidation * @param ino the inode number * @param size the number of bytes to retrieve * @param offset the starting offset into the file to retrieve from * @param cookie user data to supply to the reply callback * @return zero for success, -errno for failure */ int fuse_lowlevel_notify_retrieve(struct fuse_chan *ch, fuse_ino_t ino, size_t size, off_t offset, void *cookie); /* ----------------------------------------------------------- * * Utility functions * * ----------------------------------------------------------- */ /** * Get the userdata from the request * * @param req request handle * @return the user data passed to fuse_lowlevel_new() */ void *fuse_req_userdata(fuse_req_t req); /** * Get the context from the request * * The pointer returned by this function will only be valid for the * request's lifetime * * @param req request handle * @return the context structure */ const struct fuse_ctx *fuse_req_ctx(fuse_req_t req); /** * Get the current supplementary group IDs for the specified request * * Similar to the getgroups(2) system call, except the return value is * always the total number of group IDs, even if it is larger than the * specified size. * * The current fuse kernel module in linux (as of 2.6.30) doesn't pass * the group list to userspace, hence this function needs to parse * "/proc/$TID/task/$TID/status" to get the group IDs. * * This feature may not be supported on all operating systems. In * such a case this function will return -ENOSYS. * * @param req request handle * @param size size of given array * @param list array of group IDs to be filled in * @return the total number of supplementary group IDs or -errno on failure */ int fuse_req_getgroups(fuse_req_t req, int size, gid_t list[]); /** * Callback function for an interrupt * * @param req interrupted request * @param data user data */ typedef void (*fuse_interrupt_func_t)(fuse_req_t req, void *data); /** * Register/unregister callback for an interrupt * * If an interrupt has already happened, then the callback function is * called from within this function, hence it's not possible for * interrupts to be lost. * * @param req request handle * @param func the callback function or NULL for unregister * @param data user data passed to the callback function */ void fuse_req_interrupt_func(fuse_req_t req, fuse_interrupt_func_t func, void *data); /** * Check if a request has already been interrupted * * @param req request handle * @return 1 if the request has been interrupted, 0 otherwise */ int fuse_req_interrupted(fuse_req_t req); /* ----------------------------------------------------------- * * Filesystem setup * * ----------------------------------------------------------- */ /* Deprecated, don't use */ int fuse_lowlevel_is_lib_option(const char *opt); /** * Create a low level session * * @param args argument vector * @param op the low level filesystem operations * @param op_size sizeof(struct fuse_lowlevel_ops) * @param userdata user data * @return the created session object, or NULL on failure */ struct fuse_session *fuse_lowlevel_new(struct fuse_args *args, const struct fuse_lowlevel_ops *op, size_t op_size, void *userdata); /* ----------------------------------------------------------- * * Session interface * * ----------------------------------------------------------- */ /** * Session operations * * This is used in session creation */ struct fuse_session_ops { /** * Hook to process a request (mandatory) * * @param data user data passed to fuse_session_new() * @param buf buffer containing the raw request * @param len request length * @param ch channel on which the request was received */ void (*process) (void *data, const char *buf, size_t len, struct fuse_chan *ch); /** * Hook for session exit and reset (optional) * * @param data user data passed to fuse_session_new() * @param val exited status (1 - exited, 0 - not exited) */ void (*exit) (void *data, int val); /** * Hook for querying the current exited status (optional) * * @param data user data passed to fuse_session_new() * @return 1 if exited, 0 if not exited */ int (*exited) (void *data); /** * Hook for cleaning up the channel on destroy (optional) * * @param data user data passed to fuse_session_new() */ void (*destroy) (void *data); }; /** * Create a new session * * @param op session operations * @param data user data * @return new session object, or NULL on failure */ struct fuse_session *fuse_session_new(struct fuse_session_ops *op, void *data); /** * Assign a channel to a session * * Note: currently only a single channel may be assigned. This may * change in the future * * If a session is destroyed, the assigned channel is also destroyed * * @param se the session * @param ch the channel */ void fuse_session_add_chan(struct fuse_session *se, struct fuse_chan *ch); /** * Remove a channel from a session * * If the channel is not assigned to a session, then this is a no-op * * @param ch the channel to remove */ void fuse_session_remove_chan(struct fuse_chan *ch); /** * Iterate over the channels assigned to a session * * The iterating function needs to start with a NULL channel, and * after that needs to pass the previously returned channel to the * function. * * @param se the session * @param ch the previous channel, or NULL * @return the next channel, or NULL if no more channels exist */ struct fuse_chan *fuse_session_next_chan(struct fuse_session *se, struct fuse_chan *ch); /** * Process a raw request * * @param se the session * @param buf buffer containing the raw request * @param len request length * @param ch channel on which the request was received */ void fuse_session_process(struct fuse_session *se, const char *buf, size_t len, struct fuse_chan *ch); /** * Process a raw request supplied in a generic buffer * * This is a more generic version of fuse_session_process(). The * fuse_buf may contain a memory buffer or a pipe file descriptor. * * @param se the session * @param buf the fuse_buf containing the request * @param ch channel on which the request was received */ void fuse_session_process_buf(struct fuse_session *se, const struct fuse_buf *buf, struct fuse_chan *ch); /** * Receive a raw request supplied in a generic buffer * * This is a more generic version of fuse_chan_recv(). The fuse_buf * supplied to this function contains a suitably allocated memory * buffer. This may be overwritten with a file descriptor buffer. * * @param se the session * @param buf the fuse_buf to store the request in * @param chp pointer to the channel * @return the actual size of the raw request, or -errno on error */ int fuse_session_receive_buf(struct fuse_session *se, struct fuse_buf *buf, struct fuse_chan **chp); /** * Destroy a session * * @param se the session */ void fuse_session_destroy(struct fuse_session *se); /** * Exit a session * * @param se the session */ void fuse_session_exit(struct fuse_session *se); /** * Reset the exited status of a session * * @param se the session */ void fuse_session_reset(struct fuse_session *se); /** * Query the exited status of a session * * @param se the session * @return 1 if exited, 0 if not exited */ int fuse_session_exited(struct fuse_session *se); /** * Get the user data provided to the session * * @param se the session * @return the user data */ void *fuse_session_data(struct fuse_session *se); /** * Enter a single threaded event loop * * @param se the session * @return 0 on success, -1 on error */ int fuse_session_loop(struct fuse_session *se); /** * Enter a multi-threaded event loop * * @param se the session * @return 0 on success, -1 on error */ int fuse_session_loop_mt(struct fuse_session *se); /* ----------------------------------------------------------- * * Channel interface * * ----------------------------------------------------------- */ /** * Channel operations * * This is used in channel creation */ struct fuse_chan_ops { /** * Hook for receiving a raw request * * @param ch pointer to the channel * @param buf the buffer to store the request in * @param size the size of the buffer * @return the actual size of the raw request, or -1 on error */ int (*receive)(struct fuse_chan **chp, char *buf, size_t size); /** * Hook for sending a raw reply * * A return value of -ENOENT means, that the request was * interrupted, and the reply was discarded * * @param ch the channel * @param iov vector of blocks * @param count the number of blocks in vector * @return zero on success, -errno on failure */ int (*send)(struct fuse_chan *ch, const struct iovec iov[], size_t count); /** * Destroy the channel * * @param ch the channel */ void (*destroy)(struct fuse_chan *ch); }; /** * Create a new channel * * @param op channel operations * @param fd file descriptor of the channel * @param bufsize the minimal receive buffer size * @param data user data * @return the new channel object, or NULL on failure */ struct fuse_chan *fuse_chan_new(struct fuse_chan_ops *op, int fd, size_t bufsize, void *data); /** * Query the file descriptor of the channel * * @param ch the channel * @return the file descriptor passed to fuse_chan_new() */ int fuse_chan_fd(struct fuse_chan *ch); /** * Query the minimal receive buffer size * * @param ch the channel * @return the buffer size passed to fuse_chan_new() */ size_t fuse_chan_bufsize(struct fuse_chan *ch); /** * Query the user data * * @param ch the channel * @return the user data passed to fuse_chan_new() */ void *fuse_chan_data(struct fuse_chan *ch); /** * Query the session to which this channel is assigned * * @param ch the channel * @return the session, or NULL if the channel is not assigned */ struct fuse_session *fuse_chan_session(struct fuse_chan *ch); /** * Receive a raw request * * A return value of -ENODEV means, that the filesystem was unmounted * * @param ch pointer to the channel * @param buf the buffer to store the request in * @param size the size of the buffer * @return the actual size of the raw request, or -errno on error */ int fuse_chan_recv(struct fuse_chan **ch, char *buf, size_t size); /** * Send a raw reply * * A return value of -ENOENT means, that the request was * interrupted, and the reply was discarded * * @param ch the channel * @param iov vector of blocks * @param count the number of blocks in vector * @return zero on success, -errno on failure */ int fuse_chan_send(struct fuse_chan *ch, const struct iovec iov[], size_t count); /** * Destroy a channel * * @param ch the channel */ void fuse_chan_destroy(struct fuse_chan *ch); /* ----------------------------------------------------------- * * Compatibility stuff * * ----------------------------------------------------------- */ #if FUSE_USE_VERSION < 26 # include "fuse_lowlevel_compat.h" # define fuse_chan_ops fuse_chan_ops_compat24 # define fuse_chan_new fuse_chan_new_compat24 # if FUSE_USE_VERSION == 25 # define fuse_lowlevel_ops fuse_lowlevel_ops_compat25 # define fuse_lowlevel_new fuse_lowlevel_new_compat25 # elif FUSE_USE_VERSION == 24 # define fuse_lowlevel_ops fuse_lowlevel_ops_compat # define fuse_lowlevel_new fuse_lowlevel_new_compat # define fuse_file_info fuse_file_info_compat # define fuse_reply_statfs fuse_reply_statfs_compat # define fuse_reply_open fuse_reply_open_compat # else # error Compatibility with low-level API version < 24 not supported # endif #endif #ifdef __cplusplus } #endif #endif /* _FUSE_LOWLEVEL_H_ */ fuse-2.9.7/include/old/0000755000175000017500000000000012732044660011701 500000000000000fuse-2.9.7/include/old/fuse.h0000644000175000017500000000036612732044227012740 00000000000000/* This header is for compatibility with older software using FUSE. Please use 'pkg-config --cflags fuse' to set include path. The correct usage is still '#include ', not '#include '. */ #include "fuse/fuse.h" fuse-2.9.7/include/fuse_compat.h0000644000175000017500000001746512732044227013535 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ /* these definitions provide source compatibility to prior versions. Do not include this file directly! */ struct fuse_operations_compat25 { int (*getattr) (const char *, struct stat *); int (*readlink) (const char *, char *, size_t); int (*getdir) (const char *, fuse_dirh_t, fuse_dirfil_t); int (*mknod) (const char *, mode_t, dev_t); int (*mkdir) (const char *, mode_t); int (*unlink) (const char *); int (*rmdir) (const char *); int (*symlink) (const char *, const char *); int (*rename) (const char *, const char *); int (*link) (const char *, const char *); int (*chmod) (const char *, mode_t); int (*chown) (const char *, uid_t, gid_t); int (*truncate) (const char *, off_t); int (*utime) (const char *, struct utimbuf *); int (*open) (const char *, struct fuse_file_info *); int (*read) (const char *, char *, size_t, off_t, struct fuse_file_info *); int (*write) (const char *, const char *, size_t, off_t, struct fuse_file_info *); int (*statfs) (const char *, struct statvfs *); int (*flush) (const char *, struct fuse_file_info *); int (*release) (const char *, struct fuse_file_info *); int (*fsync) (const char *, int, struct fuse_file_info *); int (*setxattr) (const char *, const char *, const char *, size_t, int); int (*getxattr) (const char *, const char *, char *, size_t); int (*listxattr) (const char *, char *, size_t); int (*removexattr) (const char *, const char *); int (*opendir) (const char *, struct fuse_file_info *); int (*readdir) (const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *); int (*releasedir) (const char *, struct fuse_file_info *); int (*fsyncdir) (const char *, int, struct fuse_file_info *); void *(*init) (void); void (*destroy) (void *); int (*access) (const char *, int); int (*create) (const char *, mode_t, struct fuse_file_info *); int (*ftruncate) (const char *, off_t, struct fuse_file_info *); int (*fgetattr) (const char *, struct stat *, struct fuse_file_info *); }; struct fuse *fuse_new_compat25(int fd, struct fuse_args *args, const struct fuse_operations_compat25 *op, size_t op_size); int fuse_main_real_compat25(int argc, char *argv[], const struct fuse_operations_compat25 *op, size_t op_size); struct fuse *fuse_setup_compat25(int argc, char *argv[], const struct fuse_operations_compat25 *op, size_t op_size, char **mountpoint, int *multithreaded, int *fd); void fuse_teardown_compat22(struct fuse *fuse, int fd, char *mountpoint); #if !defined(__FreeBSD__) && !defined(__NetBSD__) #include struct fuse_operations_compat22 { int (*getattr) (const char *, struct stat *); int (*readlink) (const char *, char *, size_t); int (*getdir) (const char *, fuse_dirh_t, fuse_dirfil_t); int (*mknod) (const char *, mode_t, dev_t); int (*mkdir) (const char *, mode_t); int (*unlink) (const char *); int (*rmdir) (const char *); int (*symlink) (const char *, const char *); int (*rename) (const char *, const char *); int (*link) (const char *, const char *); int (*chmod) (const char *, mode_t); int (*chown) (const char *, uid_t, gid_t); int (*truncate) (const char *, off_t); int (*utime) (const char *, struct utimbuf *); int (*open) (const char *, struct fuse_file_info_compat *); int (*read) (const char *, char *, size_t, off_t, struct fuse_file_info_compat *); int (*write) (const char *, const char *, size_t, off_t, struct fuse_file_info_compat *); int (*statfs) (const char *, struct statfs *); int (*flush) (const char *, struct fuse_file_info_compat *); int (*release) (const char *, struct fuse_file_info_compat *); int (*fsync) (const char *, int, struct fuse_file_info_compat *); int (*setxattr) (const char *, const char *, const char *, size_t, int); int (*getxattr) (const char *, const char *, char *, size_t); int (*listxattr) (const char *, char *, size_t); int (*removexattr) (const char *, const char *); int (*opendir) (const char *, struct fuse_file_info_compat *); int (*readdir) (const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info_compat *); int (*releasedir) (const char *, struct fuse_file_info_compat *); int (*fsyncdir) (const char *, int, struct fuse_file_info_compat *); void *(*init) (void); void (*destroy) (void *); }; struct fuse *fuse_new_compat22(int fd, const char *opts, const struct fuse_operations_compat22 *op, size_t op_size); struct fuse *fuse_setup_compat22(int argc, char *argv[], const struct fuse_operations_compat22 *op, size_t op_size, char **mountpoint, int *multithreaded, int *fd); int fuse_main_real_compat22(int argc, char *argv[], const struct fuse_operations_compat22 *op, size_t op_size); typedef int (*fuse_dirfil_t_compat) (fuse_dirh_t h, const char *name, int type); struct fuse_operations_compat2 { int (*getattr) (const char *, struct stat *); int (*readlink) (const char *, char *, size_t); int (*getdir) (const char *, fuse_dirh_t, fuse_dirfil_t_compat); int (*mknod) (const char *, mode_t, dev_t); int (*mkdir) (const char *, mode_t); int (*unlink) (const char *); int (*rmdir) (const char *); int (*symlink) (const char *, const char *); int (*rename) (const char *, const char *); int (*link) (const char *, const char *); int (*chmod) (const char *, mode_t); int (*chown) (const char *, uid_t, gid_t); int (*truncate) (const char *, off_t); int (*utime) (const char *, struct utimbuf *); int (*open) (const char *, int); int (*read) (const char *, char *, size_t, off_t); int (*write) (const char *, const char *, size_t, off_t); int (*statfs) (const char *, struct statfs *); int (*flush) (const char *); int (*release) (const char *, int); int (*fsync) (const char *, int); int (*setxattr) (const char *, const char *, const char *, size_t, int); int (*getxattr) (const char *, const char *, char *, size_t); int (*listxattr) (const char *, char *, size_t); int (*removexattr) (const char *, const char *); }; int fuse_main_compat2(int argc, char *argv[], const struct fuse_operations_compat2 *op); struct fuse *fuse_new_compat2(int fd, const char *opts, const struct fuse_operations_compat2 *op); struct fuse *fuse_setup_compat2(int argc, char *argv[], const struct fuse_operations_compat2 *op, char **mountpoint, int *multithreaded, int *fd); struct fuse_statfs_compat1 { long block_size; long blocks; long blocks_free; long files; long files_free; long namelen; }; struct fuse_operations_compat1 { int (*getattr) (const char *, struct stat *); int (*readlink) (const char *, char *, size_t); int (*getdir) (const char *, fuse_dirh_t, fuse_dirfil_t_compat); int (*mknod) (const char *, mode_t, dev_t); int (*mkdir) (const char *, mode_t); int (*unlink) (const char *); int (*rmdir) (const char *); int (*symlink) (const char *, const char *); int (*rename) (const char *, const char *); int (*link) (const char *, const char *); int (*chmod) (const char *, mode_t); int (*chown) (const char *, uid_t, gid_t); int (*truncate) (const char *, off_t); int (*utime) (const char *, struct utimbuf *); int (*open) (const char *, int); int (*read) (const char *, char *, size_t, off_t); int (*write) (const char *, const char *, size_t, off_t); int (*statfs) (struct fuse_statfs_compat1 *); int (*release) (const char *, int); int (*fsync) (const char *, int); }; #define FUSE_DEBUG_COMPAT1 (1 << 1) struct fuse *fuse_new_compat1(int fd, int flags, const struct fuse_operations_compat1 *op); void fuse_main_compat1(int argc, char *argv[], const struct fuse_operations_compat1 *op); #endif /* __FreeBSD__ || __NetBSD__ */ fuse-2.9.7/include/fuse.h0000644000175000017500000010347212732044227012164 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #ifndef _FUSE_H_ #define _FUSE_H_ /** @file * * This file defines the library interface of FUSE * * IMPORTANT: you should define FUSE_USE_VERSION before including this * header. To use the newest API define it to 26 (recommended for any * new application), to use the old API define it to 21 (default) 22 * or 25, to use the even older 1.X API define it to 11. */ #ifndef FUSE_USE_VERSION #define FUSE_USE_VERSION 21 #endif #include "fuse_common.h" #include #include #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif /* ----------------------------------------------------------- * * Basic FUSE API * * ----------------------------------------------------------- */ /** Handle for a FUSE filesystem */ struct fuse; /** Structure containing a raw command */ struct fuse_cmd; /** Function to add an entry in a readdir() operation * * @param buf the buffer passed to the readdir() operation * @param name the file name of the directory entry * @param stat file attributes, can be NULL * @param off offset of the next entry or zero * @return 1 if buffer is full, zero otherwise */ typedef int (*fuse_fill_dir_t) (void *buf, const char *name, const struct stat *stbuf, off_t off); /* Used by deprecated getdir() method */ typedef struct fuse_dirhandle *fuse_dirh_t; typedef int (*fuse_dirfil_t) (fuse_dirh_t h, const char *name, int type, ino_t ino); /** * The file system operations: * * Most of these should work very similarly to the well known UNIX * file system operations. A major exception is that instead of * returning an error in 'errno', the operation should return the * negated error value (-errno) directly. * * All methods are optional, but some are essential for a useful * filesystem (e.g. getattr). Open, flush, release, fsync, opendir, * releasedir, fsyncdir, access, create, ftruncate, fgetattr, lock, * init and destroy are special purpose methods, without which a full * featured filesystem can still be implemented. * * Almost all operations take a path which can be of any length. * * Changed in fuse 2.8.0 (regardless of API version) * Previously, paths were limited to a length of PATH_MAX. * * See http://fuse.sourceforge.net/wiki/ for more information. There * is also a snapshot of the relevant wiki pages in the doc/ folder. */ struct fuse_operations { /** Get file attributes. * * Similar to stat(). The 'st_dev' and 'st_blksize' fields are * ignored. The 'st_ino' field is ignored except if the 'use_ino' * mount option is given. */ int (*getattr) (const char *, struct stat *); /** Read the target of a symbolic link * * The buffer should be filled with a null terminated string. The * buffer size argument includes the space for the terminating * null character. If the linkname is too long to fit in the * buffer, it should be truncated. The return value should be 0 * for success. */ int (*readlink) (const char *, char *, size_t); /* Deprecated, use readdir() instead */ int (*getdir) (const char *, fuse_dirh_t, fuse_dirfil_t); /** Create a file node * * This is called for creation of all non-directory, non-symlink * nodes. If the filesystem defines a create() method, then for * regular files that will be called instead. */ int (*mknod) (const char *, mode_t, dev_t); /** Create a directory * * Note that the mode argument may not have the type specification * bits set, i.e. S_ISDIR(mode) can be false. To obtain the * correct directory type bits use mode|S_IFDIR * */ int (*mkdir) (const char *, mode_t); /** Remove a file */ int (*unlink) (const char *); /** Remove a directory */ int (*rmdir) (const char *); /** Create a symbolic link */ int (*symlink) (const char *, const char *); /** Rename a file */ int (*rename) (const char *, const char *); /** Create a hard link to a file */ int (*link) (const char *, const char *); /** Change the permission bits of a file */ int (*chmod) (const char *, mode_t); /** Change the owner and group of a file */ int (*chown) (const char *, uid_t, gid_t); /** Change the size of a file */ int (*truncate) (const char *, off_t); /** Change the access and/or modification times of a file * * Deprecated, use utimens() instead. */ int (*utime) (const char *, struct utimbuf *); /** File open operation * * No creation (O_CREAT, O_EXCL) and by default also no * truncation (O_TRUNC) flags will be passed to open(). If an * application specifies O_TRUNC, fuse first calls truncate() * and then open(). Only if 'atomic_o_trunc' has been * specified and kernel version is 2.6.24 or later, O_TRUNC is * passed on to open. * * Unless the 'default_permissions' mount option is given, * open should check if the operation is permitted for the * given flags. Optionally open may also return an arbitrary * filehandle in the fuse_file_info structure, which will be * passed to all file operations. * * Changed in version 2.2 */ int (*open) (const char *, struct fuse_file_info *); /** Read data from an open file * * Read should return exactly the number of bytes requested except * on EOF or error, otherwise the rest of the data will be * substituted with zeroes. An exception to this is when the * 'direct_io' mount option is specified, in which case the return * value of the read system call will reflect the return value of * this operation. * * Changed in version 2.2 */ int (*read) (const char *, char *, size_t, off_t, struct fuse_file_info *); /** Write data to an open file * * Write should return exactly the number of bytes requested * except on error. An exception to this is when the 'direct_io' * mount option is specified (see read operation). * * Changed in version 2.2 */ int (*write) (const char *, const char *, size_t, off_t, struct fuse_file_info *); /** Get file system statistics * * The 'f_frsize', 'f_favail', 'f_fsid' and 'f_flag' fields are ignored * * Replaced 'struct statfs' parameter with 'struct statvfs' in * version 2.5 */ int (*statfs) (const char *, struct statvfs *); /** Possibly flush cached data * * BIG NOTE: This is not equivalent to fsync(). It's not a * request to sync dirty data. * * Flush is called on each close() of a file descriptor. So if a * filesystem wants to return write errors in close() and the file * has cached dirty data, this is a good place to write back data * and return any errors. Since many applications ignore close() * errors this is not always useful. * * NOTE: The flush() method may be called more than once for each * open(). This happens if more than one file descriptor refers * to an opened file due to dup(), dup2() or fork() calls. It is * not possible to determine if a flush is final, so each flush * should be treated equally. Multiple write-flush sequences are * relatively rare, so this shouldn't be a problem. * * Filesystems shouldn't assume that flush will always be called * after some writes, or that if will be called at all. * * Changed in version 2.2 */ int (*flush) (const char *, struct fuse_file_info *); /** Release an open file * * Release is called when there are no more references to an open * file: all file descriptors are closed and all memory mappings * are unmapped. * * For every open() call there will be exactly one release() call * with the same flags and file descriptor. It is possible to * have a file opened more than once, in which case only the last * release will mean, that no more reads/writes will happen on the * file. The return value of release is ignored. * * Changed in version 2.2 */ int (*release) (const char *, struct fuse_file_info *); /** Synchronize file contents * * If the datasync parameter is non-zero, then only the user data * should be flushed, not the meta data. * * Changed in version 2.2 */ int (*fsync) (const char *, int, struct fuse_file_info *); /** Set extended attributes */ int (*setxattr) (const char *, const char *, const char *, size_t, int); /** Get extended attributes */ int (*getxattr) (const char *, const char *, char *, size_t); /** List extended attributes */ int (*listxattr) (const char *, char *, size_t); /** Remove extended attributes */ int (*removexattr) (const char *, const char *); /** Open directory * * Unless the 'default_permissions' mount option is given, * this method should check if opendir is permitted for this * directory. Optionally opendir may also return an arbitrary * filehandle in the fuse_file_info structure, which will be * passed to readdir, closedir and fsyncdir. * * Introduced in version 2.3 */ int (*opendir) (const char *, struct fuse_file_info *); /** Read directory * * This supersedes the old getdir() interface. New applications * should use this. * * The filesystem may choose between two modes of operation: * * 1) The readdir implementation ignores the offset parameter, and * passes zero to the filler function's offset. The filler * function will not return '1' (unless an error happens), so the * whole directory is read in a single readdir operation. This * works just like the old getdir() method. * * 2) The readdir implementation keeps track of the offsets of the * directory entries. It uses the offset parameter and always * passes non-zero offset to the filler function. When the buffer * is full (or an error happens) the filler function will return * '1'. * * Introduced in version 2.3 */ int (*readdir) (const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *); /** Release directory * * Introduced in version 2.3 */ int (*releasedir) (const char *, struct fuse_file_info *); /** Synchronize directory contents * * If the datasync parameter is non-zero, then only the user data * should be flushed, not the meta data * * Introduced in version 2.3 */ int (*fsyncdir) (const char *, int, struct fuse_file_info *); /** * Initialize filesystem * * The return value will passed in the private_data field of * fuse_context to all file operations and as a parameter to the * destroy() method. * * Introduced in version 2.3 * Changed in version 2.6 */ void *(*init) (struct fuse_conn_info *conn); /** * Clean up filesystem * * Called on filesystem exit. * * Introduced in version 2.3 */ void (*destroy) (void *); /** * Check file access permissions * * This will be called for the access() system call. If the * 'default_permissions' mount option is given, this method is not * called. * * This method is not called under Linux kernel versions 2.4.x * * Introduced in version 2.5 */ int (*access) (const char *, int); /** * Create and open a file * * If the file does not exist, first create it with the specified * mode, and then open it. * * If this method is not implemented or under Linux kernel * versions earlier than 2.6.15, the mknod() and open() methods * will be called instead. * * Introduced in version 2.5 */ int (*create) (const char *, mode_t, struct fuse_file_info *); /** * Change the size of an open file * * This method is called instead of the truncate() method if the * truncation was invoked from an ftruncate() system call. * * If this method is not implemented or under Linux kernel * versions earlier than 2.6.15, the truncate() method will be * called instead. * * Introduced in version 2.5 */ int (*ftruncate) (const char *, off_t, struct fuse_file_info *); /** * Get attributes from an open file * * This method is called instead of the getattr() method if the * file information is available. * * Currently this is only called after the create() method if that * is implemented (see above). Later it may be called for * invocations of fstat() too. * * Introduced in version 2.5 */ int (*fgetattr) (const char *, struct stat *, struct fuse_file_info *); /** * Perform POSIX file locking operation * * The cmd argument will be either F_GETLK, F_SETLK or F_SETLKW. * * For the meaning of fields in 'struct flock' see the man page * for fcntl(2). The l_whence field will always be set to * SEEK_SET. * * For checking lock ownership, the 'fuse_file_info->owner' * argument must be used. * * For F_GETLK operation, the library will first check currently * held locks, and if a conflicting lock is found it will return * information without calling this method. This ensures, that * for local locks the l_pid field is correctly filled in. The * results may not be accurate in case of race conditions and in * the presence of hard links, but it's unlikely that an * application would rely on accurate GETLK results in these * cases. If a conflicting lock is not found, this method will be * called, and the filesystem may fill out l_pid by a meaningful * value, or it may leave this field zero. * * For F_SETLK and F_SETLKW the l_pid field will be set to the pid * of the process performing the locking operation. * * Note: if this method is not implemented, the kernel will still * allow file locking to work locally. Hence it is only * interesting for network filesystems and similar. * * Introduced in version 2.6 */ int (*lock) (const char *, struct fuse_file_info *, int cmd, struct flock *); /** * Change the access and modification times of a file with * nanosecond resolution * * This supersedes the old utime() interface. New applications * should use this. * * See the utimensat(2) man page for details. * * Introduced in version 2.6 */ int (*utimens) (const char *, const struct timespec tv[2]); /** * Map block index within file to block index within device * * Note: This makes sense only for block device backed filesystems * mounted with the 'blkdev' option * * Introduced in version 2.6 */ int (*bmap) (const char *, size_t blocksize, uint64_t *idx); /** * Flag indicating that the filesystem can accept a NULL path * as the first argument for the following operations: * * read, write, flush, release, fsync, readdir, releasedir, * fsyncdir, ftruncate, fgetattr, lock, ioctl and poll * * If this flag is set these operations continue to work on * unlinked files even if "-ohard_remove" option was specified. */ unsigned int flag_nullpath_ok:1; /** * Flag indicating that the path need not be calculated for * the following operations: * * read, write, flush, release, fsync, readdir, releasedir, * fsyncdir, ftruncate, fgetattr, lock, ioctl and poll * * Closely related to flag_nullpath_ok, but if this flag is * set then the path will not be calculaged even if the file * wasn't unlinked. However the path can still be non-NULL if * it needs to be calculated for some other reason. */ unsigned int flag_nopath:1; /** * Flag indicating that the filesystem accepts special * UTIME_NOW and UTIME_OMIT values in its utimens operation. */ unsigned int flag_utime_omit_ok:1; /** * Reserved flags, don't set */ unsigned int flag_reserved:29; /** * Ioctl * * flags will have FUSE_IOCTL_COMPAT set for 32bit ioctls in * 64bit environment. The size and direction of data is * determined by _IOC_*() decoding of cmd. For _IOC_NONE, * data will be NULL, for _IOC_WRITE data is out area, for * _IOC_READ in area and if both are set in/out area. In all * non-NULL cases, the area is of _IOC_SIZE(cmd) bytes. * * If flags has FUSE_IOCTL_DIR then the fuse_file_info refers to a * directory file handle. * * Introduced in version 2.8 */ int (*ioctl) (const char *, int cmd, void *arg, struct fuse_file_info *, unsigned int flags, void *data); /** * Poll for IO readiness events * * Note: If ph is non-NULL, the client should notify * when IO readiness events occur by calling * fuse_notify_poll() with the specified ph. * * Regardless of the number of times poll with a non-NULL ph * is received, single notification is enough to clear all. * Notifying more times incurs overhead but doesn't harm * correctness. * * The callee is responsible for destroying ph with * fuse_pollhandle_destroy() when no longer in use. * * Introduced in version 2.8 */ int (*poll) (const char *, struct fuse_file_info *, struct fuse_pollhandle *ph, unsigned *reventsp); /** Write contents of buffer to an open file * * Similar to the write() method, but data is supplied in a * generic buffer. Use fuse_buf_copy() to transfer data to * the destination. * * Introduced in version 2.9 */ int (*write_buf) (const char *, struct fuse_bufvec *buf, off_t off, struct fuse_file_info *); /** Store data from an open file in a buffer * * Similar to the read() method, but data is stored and * returned in a generic buffer. * * No actual copying of data has to take place, the source * file descriptor may simply be stored in the buffer for * later data transfer. * * The buffer must be allocated dynamically and stored at the * location pointed to by bufp. If the buffer contains memory * regions, they too must be allocated using malloc(). The * allocated memory will be freed by the caller. * * Introduced in version 2.9 */ int (*read_buf) (const char *, struct fuse_bufvec **bufp, size_t size, off_t off, struct fuse_file_info *); /** * Perform BSD file locking operation * * The op argument will be either LOCK_SH, LOCK_EX or LOCK_UN * * Nonblocking requests will be indicated by ORing LOCK_NB to * the above operations * * For more information see the flock(2) manual page. * * Additionally fi->owner will be set to a value unique to * this open file. This same value will be supplied to * ->release() when the file is released. * * Note: if this method is not implemented, the kernel will still * allow file locking to work locally. Hence it is only * interesting for network filesystems and similar. * * Introduced in version 2.9 */ int (*flock) (const char *, struct fuse_file_info *, int op); /** * Allocates space for an open file * * This function ensures that required space is allocated for specified * file. If this function returns success then any subsequent write * request to specified range is guaranteed not to fail because of lack * of space on the file system media. * * Introduced in version 2.9.1 */ int (*fallocate) (const char *, int, off_t, off_t, struct fuse_file_info *); }; /** Extra context that may be needed by some filesystems * * The uid, gid and pid fields are not filled in case of a writepage * operation. */ struct fuse_context { /** Pointer to the fuse object */ struct fuse *fuse; /** User ID of the calling process */ uid_t uid; /** Group ID of the calling process */ gid_t gid; /** Thread ID of the calling process */ pid_t pid; /** Private filesystem data */ void *private_data; /** Umask of the calling process (introduced in version 2.8) */ mode_t umask; }; /** * Main function of FUSE. * * This is for the lazy. This is all that has to be called from the * main() function. * * This function does the following: * - parses command line options (-d -s and -h) * - passes relevant mount options to the fuse_mount() * - installs signal handlers for INT, HUP, TERM and PIPE * - registers an exit handler to unmount the filesystem on program exit * - creates a fuse handle * - registers the operations * - calls either the single-threaded or the multi-threaded event loop * * Note: this is currently implemented as a macro. * * @param argc the argument counter passed to the main() function * @param argv the argument vector passed to the main() function * @param op the file system operation * @param user_data user data supplied in the context during the init() method * @return 0 on success, nonzero on failure */ /* int fuse_main(int argc, char *argv[], const struct fuse_operations *op, void *user_data); */ #define fuse_main(argc, argv, op, user_data) \ fuse_main_real(argc, argv, op, sizeof(*(op)), user_data) /* ----------------------------------------------------------- * * More detailed API * * ----------------------------------------------------------- */ /** * Create a new FUSE filesystem. * * @param ch the communication channel * @param args argument vector * @param op the filesystem operations * @param op_size the size of the fuse_operations structure * @param user_data user data supplied in the context during the init() method * @return the created FUSE handle */ struct fuse *fuse_new(struct fuse_chan *ch, struct fuse_args *args, const struct fuse_operations *op, size_t op_size, void *user_data); /** * Destroy the FUSE handle. * * The communication channel attached to the handle is also destroyed. * * NOTE: This function does not unmount the filesystem. If this is * needed, call fuse_unmount() before calling this function. * * @param f the FUSE handle */ void fuse_destroy(struct fuse *f); /** * FUSE event loop. * * Requests from the kernel are processed, and the appropriate * operations are called. * * @param f the FUSE handle * @return 0 if no error occurred, -1 otherwise */ int fuse_loop(struct fuse *f); /** * Exit from event loop * * @param f the FUSE handle */ void fuse_exit(struct fuse *f); /** * FUSE event loop with multiple threads * * Requests from the kernel are processed, and the appropriate * operations are called. Request are processed in parallel by * distributing them between multiple threads. * * Calling this function requires the pthreads library to be linked to * the application. * * @param f the FUSE handle * @return 0 if no error occurred, -1 otherwise */ int fuse_loop_mt(struct fuse *f); /** * Get the current context * * The context is only valid for the duration of a filesystem * operation, and thus must not be stored and used later. * * @return the context */ struct fuse_context *fuse_get_context(void); /** * Get the current supplementary group IDs for the current request * * Similar to the getgroups(2) system call, except the return value is * always the total number of group IDs, even if it is larger than the * specified size. * * The current fuse kernel module in linux (as of 2.6.30) doesn't pass * the group list to userspace, hence this function needs to parse * "/proc/$TID/task/$TID/status" to get the group IDs. * * This feature may not be supported on all operating systems. In * such a case this function will return -ENOSYS. * * @param size size of given array * @param list array of group IDs to be filled in * @return the total number of supplementary group IDs or -errno on failure */ int fuse_getgroups(int size, gid_t list[]); /** * Check if the current request has already been interrupted * * @return 1 if the request has been interrupted, 0 otherwise */ int fuse_interrupted(void); /** * Obsolete, doesn't do anything * * @return -EINVAL */ int fuse_invalidate(struct fuse *f, const char *path); /* Deprecated, don't use */ int fuse_is_lib_option(const char *opt); /** * The real main function * * Do not call this directly, use fuse_main() */ int fuse_main_real(int argc, char *argv[], const struct fuse_operations *op, size_t op_size, void *user_data); /** * Start the cleanup thread when using option "remember". * * This is done automatically by fuse_loop_mt() * @param fuse struct fuse pointer for fuse instance * @return 0 on success and -1 on error */ int fuse_start_cleanup_thread(struct fuse *fuse); /** * Stop the cleanup thread when using option "remember". * * This is done automatically by fuse_loop_mt() * @param fuse struct fuse pointer for fuse instance */ void fuse_stop_cleanup_thread(struct fuse *fuse); /** * Iterate over cache removing stale entries * use in conjunction with "-oremember" * * NOTE: This is already done for the standard sessions * * @param fuse struct fuse pointer for fuse instance * @return the number of seconds until the next cleanup */ int fuse_clean_cache(struct fuse *fuse); /* * Stacking API */ /** * Fuse filesystem object * * This is opaque object represents a filesystem layer */ struct fuse_fs; /* * These functions call the relevant filesystem operation, and return * the result. * * If the operation is not defined, they return -ENOSYS, with the * exception of fuse_fs_open, fuse_fs_release, fuse_fs_opendir, * fuse_fs_releasedir and fuse_fs_statfs, which return 0. */ int fuse_fs_getattr(struct fuse_fs *fs, const char *path, struct stat *buf); int fuse_fs_fgetattr(struct fuse_fs *fs, const char *path, struct stat *buf, struct fuse_file_info *fi); int fuse_fs_rename(struct fuse_fs *fs, const char *oldpath, const char *newpath); int fuse_fs_unlink(struct fuse_fs *fs, const char *path); int fuse_fs_rmdir(struct fuse_fs *fs, const char *path); int fuse_fs_symlink(struct fuse_fs *fs, const char *linkname, const char *path); int fuse_fs_link(struct fuse_fs *fs, const char *oldpath, const char *newpath); int fuse_fs_release(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi); int fuse_fs_open(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi); int fuse_fs_read(struct fuse_fs *fs, const char *path, char *buf, size_t size, off_t off, struct fuse_file_info *fi); int fuse_fs_read_buf(struct fuse_fs *fs, const char *path, struct fuse_bufvec **bufp, size_t size, off_t off, struct fuse_file_info *fi); int fuse_fs_write(struct fuse_fs *fs, const char *path, const char *buf, size_t size, off_t off, struct fuse_file_info *fi); int fuse_fs_write_buf(struct fuse_fs *fs, const char *path, struct fuse_bufvec *buf, off_t off, struct fuse_file_info *fi); int fuse_fs_fsync(struct fuse_fs *fs, const char *path, int datasync, struct fuse_file_info *fi); int fuse_fs_flush(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi); int fuse_fs_statfs(struct fuse_fs *fs, const char *path, struct statvfs *buf); int fuse_fs_opendir(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi); int fuse_fs_readdir(struct fuse_fs *fs, const char *path, void *buf, fuse_fill_dir_t filler, off_t off, struct fuse_file_info *fi); int fuse_fs_fsyncdir(struct fuse_fs *fs, const char *path, int datasync, struct fuse_file_info *fi); int fuse_fs_releasedir(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi); int fuse_fs_create(struct fuse_fs *fs, const char *path, mode_t mode, struct fuse_file_info *fi); int fuse_fs_lock(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, int cmd, struct flock *lock); int fuse_fs_flock(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, int op); int fuse_fs_chmod(struct fuse_fs *fs, const char *path, mode_t mode); int fuse_fs_chown(struct fuse_fs *fs, const char *path, uid_t uid, gid_t gid); int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off_t size); int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, off_t size, struct fuse_file_info *fi); int fuse_fs_utimens(struct fuse_fs *fs, const char *path, const struct timespec tv[2]); int fuse_fs_access(struct fuse_fs *fs, const char *path, int mask); int fuse_fs_readlink(struct fuse_fs *fs, const char *path, char *buf, size_t len); int fuse_fs_mknod(struct fuse_fs *fs, const char *path, mode_t mode, dev_t rdev); int fuse_fs_mkdir(struct fuse_fs *fs, const char *path, mode_t mode); int fuse_fs_setxattr(struct fuse_fs *fs, const char *path, const char *name, const char *value, size_t size, int flags); int fuse_fs_getxattr(struct fuse_fs *fs, const char *path, const char *name, char *value, size_t size); int fuse_fs_listxattr(struct fuse_fs *fs, const char *path, char *list, size_t size); int fuse_fs_removexattr(struct fuse_fs *fs, const char *path, const char *name); int fuse_fs_bmap(struct fuse_fs *fs, const char *path, size_t blocksize, uint64_t *idx); int fuse_fs_ioctl(struct fuse_fs *fs, const char *path, int cmd, void *arg, struct fuse_file_info *fi, unsigned int flags, void *data); int fuse_fs_poll(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, struct fuse_pollhandle *ph, unsigned *reventsp); int fuse_fs_fallocate(struct fuse_fs *fs, const char *path, int mode, off_t offset, off_t length, struct fuse_file_info *fi); void fuse_fs_init(struct fuse_fs *fs, struct fuse_conn_info *conn); void fuse_fs_destroy(struct fuse_fs *fs); int fuse_notify_poll(struct fuse_pollhandle *ph); /** * Create a new fuse filesystem object * * This is usually called from the factory of a fuse module to create * a new instance of a filesystem. * * @param op the filesystem operations * @param op_size the size of the fuse_operations structure * @param user_data user data supplied in the context during the init() method * @return a new filesystem object */ struct fuse_fs *fuse_fs_new(const struct fuse_operations *op, size_t op_size, void *user_data); /** * Filesystem module * * Filesystem modules are registered with the FUSE_REGISTER_MODULE() * macro. * * If the "-omodules=modname:..." option is present, filesystem * objects are created and pushed onto the stack with the 'factory' * function. */ struct fuse_module { /** * Name of filesystem */ const char *name; /** * Factory for creating filesystem objects * * The function may use and remove options from 'args' that belong * to this module. * * For now the 'fs' vector always contains exactly one filesystem. * This is the filesystem which will be below the newly created * filesystem in the stack. * * @param args the command line arguments * @param fs NULL terminated filesystem object vector * @return the new filesystem object */ struct fuse_fs *(*factory)(struct fuse_args *args, struct fuse_fs *fs[]); struct fuse_module *next; struct fusemod_so *so; int ctr; }; /** * Register a filesystem module * * This function is used by FUSE_REGISTER_MODULE and there's usually * no need to call it directly */ void fuse_register_module(struct fuse_module *mod); /** * Register filesystem module * * For the parameters, see description of the fields in 'struct * fuse_module' */ #define FUSE_REGISTER_MODULE(name_, factory_) \ static __attribute__((constructor)) void name_ ## _register(void) \ { \ static struct fuse_module mod = \ { #name_, factory_, NULL, NULL, 0 }; \ fuse_register_module(&mod); \ } /* ----------------------------------------------------------- * * Advanced API for event handling, don't worry about this... * * ----------------------------------------------------------- */ /* NOTE: the following functions are deprecated, and will be removed from the 3.0 API. Use the lowlevel session functions instead */ /** Function type used to process commands */ typedef void (*fuse_processor_t)(struct fuse *, struct fuse_cmd *, void *); /** This is the part of fuse_main() before the event loop */ struct fuse *fuse_setup(int argc, char *argv[], const struct fuse_operations *op, size_t op_size, char **mountpoint, int *multithreaded, void *user_data); /** This is the part of fuse_main() after the event loop */ void fuse_teardown(struct fuse *fuse, char *mountpoint); /** Read a single command. If none are read, return NULL */ struct fuse_cmd *fuse_read_cmd(struct fuse *f); /** Process a single command */ void fuse_process_cmd(struct fuse *f, struct fuse_cmd *cmd); /** Multi threaded event loop, which calls the custom command processor function */ int fuse_loop_mt_proc(struct fuse *f, fuse_processor_t proc, void *data); /** Return the exited flag, which indicates if fuse_exit() has been called */ int fuse_exited(struct fuse *f); /** This function is obsolete and implemented as a no-op */ void fuse_set_getcontext_func(struct fuse_context *(*func)(void)); /** Get session from fuse object */ struct fuse_session *fuse_get_session(struct fuse *f); /* ----------------------------------------------------------- * * Compatibility stuff * * ----------------------------------------------------------- */ #if FUSE_USE_VERSION < 26 # include "fuse_compat.h" # undef fuse_main # if FUSE_USE_VERSION == 25 # define fuse_main(argc, argv, op) \ fuse_main_real_compat25(argc, argv, op, sizeof(*(op))) # define fuse_new fuse_new_compat25 # define fuse_setup fuse_setup_compat25 # define fuse_teardown fuse_teardown_compat22 # define fuse_operations fuse_operations_compat25 # elif FUSE_USE_VERSION == 22 # define fuse_main(argc, argv, op) \ fuse_main_real_compat22(argc, argv, op, sizeof(*(op))) # define fuse_new fuse_new_compat22 # define fuse_setup fuse_setup_compat22 # define fuse_teardown fuse_teardown_compat22 # define fuse_operations fuse_operations_compat22 # define fuse_file_info fuse_file_info_compat # elif FUSE_USE_VERSION == 24 # error Compatibility with high-level API version 24 not supported # else # define fuse_dirfil_t fuse_dirfil_t_compat # define __fuse_read_cmd fuse_read_cmd # define __fuse_process_cmd fuse_process_cmd # define __fuse_loop_mt fuse_loop_mt_proc # if FUSE_USE_VERSION == 21 # define fuse_operations fuse_operations_compat2 # define fuse_main fuse_main_compat2 # define fuse_new fuse_new_compat2 # define __fuse_setup fuse_setup_compat2 # define __fuse_teardown fuse_teardown_compat22 # define __fuse_exited fuse_exited # define __fuse_set_getcontext_func fuse_set_getcontext_func # else # define fuse_statfs fuse_statfs_compat1 # define fuse_operations fuse_operations_compat1 # define fuse_main fuse_main_compat1 # define fuse_new fuse_new_compat1 # define FUSE_DEBUG FUSE_DEBUG_COMPAT1 # endif # endif #endif #ifdef __cplusplus } #endif #endif /* _FUSE_H_ */ fuse-2.9.7/include/fuse_lowlevel_compat.h0000644000175000017500000001535512732044227015442 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ /* these definitions provide source compatibility to prior versions. Do not include this file directly! */ struct fuse_lowlevel_ops_compat25 { void (*init) (void *userdata); void (*destroy) (void *userdata); void (*lookup) (fuse_req_t req, fuse_ino_t parent, const char *name); void (*forget) (fuse_req_t req, fuse_ino_t ino, unsigned long nlookup); void (*getattr) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); void (*setattr) (fuse_req_t req, fuse_ino_t ino, struct stat *attr, int to_set, struct fuse_file_info *fi); void (*readlink) (fuse_req_t req, fuse_ino_t ino); void (*mknod) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, dev_t rdev); void (*mkdir) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode); void (*unlink) (fuse_req_t req, fuse_ino_t parent, const char *name); void (*rmdir) (fuse_req_t req, fuse_ino_t parent, const char *name); void (*symlink) (fuse_req_t req, const char *link, fuse_ino_t parent, const char *name); void (*rename) (fuse_req_t req, fuse_ino_t parent, const char *name, fuse_ino_t newparent, const char *newname); void (*link) (fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, const char *newname); void (*open) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi); void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf, size_t size, off_t off, struct fuse_file_info *fi); void (*flush) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); void (*release) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); void (*fsync) (fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi); void (*opendir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi); void (*releasedir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); void (*fsyncdir) (fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi); void (*statfs) (fuse_req_t req); void (*setxattr) (fuse_req_t req, fuse_ino_t ino, const char *name, const char *value, size_t size, int flags); void (*getxattr) (fuse_req_t req, fuse_ino_t ino, const char *name, size_t size); void (*listxattr) (fuse_req_t req, fuse_ino_t ino, size_t size); void (*removexattr) (fuse_req_t req, fuse_ino_t ino, const char *name); void (*access) (fuse_req_t req, fuse_ino_t ino, int mask); void (*create) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, struct fuse_file_info *fi); }; struct fuse_session *fuse_lowlevel_new_compat25(struct fuse_args *args, const struct fuse_lowlevel_ops_compat25 *op, size_t op_size, void *userdata); size_t fuse_dirent_size(size_t namelen); char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf, off_t off); #if !defined(__FreeBSD__) && !defined(__NetBSD__) #include struct fuse_lowlevel_ops_compat { void (*init) (void *userdata); void (*destroy) (void *userdata); void (*lookup) (fuse_req_t req, fuse_ino_t parent, const char *name); void (*forget) (fuse_req_t req, fuse_ino_t ino, unsigned long nlookup); void (*getattr) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); void (*setattr) (fuse_req_t req, fuse_ino_t ino, struct stat *attr, int to_set, struct fuse_file_info_compat *fi); void (*readlink) (fuse_req_t req, fuse_ino_t ino); void (*mknod) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, dev_t rdev); void (*mkdir) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode); void (*unlink) (fuse_req_t req, fuse_ino_t parent, const char *name); void (*rmdir) (fuse_req_t req, fuse_ino_t parent, const char *name); void (*symlink) (fuse_req_t req, const char *link, fuse_ino_t parent, const char *name); void (*rename) (fuse_req_t req, fuse_ino_t parent, const char *name, fuse_ino_t newparent, const char *newname); void (*link) (fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, const char *newname); void (*open) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info_compat *fi); void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf, size_t size, off_t off, struct fuse_file_info_compat *fi); void (*flush) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); void (*release) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); void (*fsync) (fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info_compat *fi); void (*opendir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info_compat *fi); void (*releasedir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); void (*fsyncdir) (fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info_compat *fi); void (*statfs) (fuse_req_t req); void (*setxattr) (fuse_req_t req, fuse_ino_t ino, const char *name, const char *value, size_t size, int flags); void (*getxattr) (fuse_req_t req, fuse_ino_t ino, const char *name, size_t size); void (*listxattr) (fuse_req_t req, fuse_ino_t ino, size_t size); void (*removexattr) (fuse_req_t req, fuse_ino_t ino, const char *name); void (*access) (fuse_req_t req, fuse_ino_t ino, int mask); void (*create) (fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, struct fuse_file_info_compat *fi); }; int fuse_reply_statfs_compat(fuse_req_t req, const struct statfs *stbuf); int fuse_reply_open_compat(fuse_req_t req, const struct fuse_file_info_compat *fi); struct fuse_session *fuse_lowlevel_new_compat(const char *opts, const struct fuse_lowlevel_ops_compat *op, size_t op_size, void *userdata); #endif /* __FreeBSD__ || __NetBSD__ */ struct fuse_chan_ops_compat24 { int (*receive)(struct fuse_chan *ch, char *buf, size_t size); int (*send)(struct fuse_chan *ch, const struct iovec iov[], size_t count); void (*destroy)(struct fuse_chan *ch); }; struct fuse_chan *fuse_chan_new_compat24(struct fuse_chan_ops_compat24 *op, int fd, size_t bufsize, void *data); int fuse_chan_receive(struct fuse_chan *ch, char *buf, size_t size); struct fuse_chan *fuse_kern_chan_new(int fd); fuse-2.9.7/include/fuse_common_compat.h0000644000175000017500000000131212732044227015065 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ /* these definitions provide source compatibility to prior versions. Do not include this file directly! */ struct fuse_file_info_compat { int flags; unsigned long fh; int writepage; unsigned int direct_io : 1; unsigned int keep_cache : 1; }; int fuse_mount_compat25(const char *mountpoint, struct fuse_args *args); int fuse_mount_compat22(const char *mountpoint, const char *opts); int fuse_mount_compat1(const char *mountpoint, const char *args[]); void fuse_unmount_compat22(const char *mountpoint); fuse-2.9.7/include/ulockmgr.h0000644000175000017500000000124712732044227013042 00000000000000/* libulockmgr: Userspace Lock Manager Library Copyright (C) 2006 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include #include #include /** * Perform POSIX locking operation * * @param fd the file descriptor * @param cmd the locking command (F_GETFL, F_SETLK or F_SETLKW) * @param lock the lock parameters * @param owner the lock owner ID cookie * @param owner_len length of the lock owner ID cookie * @return 0 on success -errno on error */ int ulockmgr_op(int fd, int cmd, struct flock *lock, const void *owner, size_t owner_len); fuse-2.9.7/include/fuse_kernel.h0000644000175000017500000003276312732044227013530 00000000000000/* This file defines the kernel interface of FUSE Copyright (C) 2001-2008 Miklos Szeredi This program can be distributed under the terms of the GNU GPL. See the file COPYING. This -- and only this -- header file may also be distributed under the terms of the BSD Licence as follows: Copyright (C) 2001-2007 Miklos Szeredi. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * This file defines the kernel interface of FUSE * * Protocol changelog: * * 7.9: * - new fuse_getattr_in input argument of GETATTR * - add lk_flags in fuse_lk_in * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in * - add blksize field to fuse_attr * - add file flags field to fuse_read_in and fuse_write_in * * 7.10 * - add nonseekable open flag * * 7.11 * - add IOCTL message * - add unsolicited notification support * - add POLL message and NOTIFY_POLL notification * * 7.12 * - add umask flag to input argument of open, mknod and mkdir * - add notification messages for invalidation of inodes and * directory entries * * 7.13 * - make max number of background requests and congestion threshold * tunables * * 7.14 * - add splice support to fuse device * * 7.15 * - add store notify * - add retrieve notify * * 7.16 * - add BATCH_FORGET request * - FUSE_IOCTL_UNRESTRICTED shall now return with array of 'struct * fuse_ioctl_iovec' instead of ambiguous 'struct iovec' * - add FUSE_IOCTL_32BIT flag * * 7.17 * - add FUSE_FLOCK_LOCKS and FUSE_RELEASE_FLOCK_UNLOCK * * 7.18 * - add FUSE_IOCTL_DIR flag * - add FUSE_NOTIFY_DELETE * * 7.19 * - add FUSE_FALLOCATE */ #ifndef _LINUX_FUSE_H #define _LINUX_FUSE_H #include #define __u64 uint64_t #define __s64 int64_t #define __u32 uint32_t #define __s32 int32_t #define __u16 uint16_t /* * Version negotiation: * * Both the kernel and userspace send the version they support in the * INIT request and reply respectively. * * If the major versions match then both shall use the smallest * of the two minor versions for communication. * * If the kernel supports a larger major version, then userspace shall * reply with the major version it supports, ignore the rest of the * INIT message and expect a new INIT message from the kernel with a * matching major version. * * If the library supports a larger major version, then it shall fall * back to the major protocol version sent by the kernel for * communication and reply with that major version (and an arbitrary * supported minor version). */ /** Version number of this interface */ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ #define FUSE_KERNEL_MINOR_VERSION 19 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 /* Make sure all structures are padded to 64bit boundary, so 32bit userspace works under 64bit kernels */ struct fuse_attr { __u64 ino; __u64 size; __u64 blocks; __u64 atime; __u64 mtime; __u64 ctime; __u32 atimensec; __u32 mtimensec; __u32 ctimensec; __u32 mode; __u32 nlink; __u32 uid; __u32 gid; __u32 rdev; __u32 blksize; __u32 padding; }; struct fuse_kstatfs { __u64 blocks; __u64 bfree; __u64 bavail; __u64 files; __u64 ffree; __u32 bsize; __u32 namelen; __u32 frsize; __u32 padding; __u32 spare[6]; }; struct fuse_file_lock { __u64 start; __u64 end; __u32 type; __u32 pid; /* tgid */ }; /** * Bitmasks for fuse_setattr_in.valid */ #define FATTR_MODE (1 << 0) #define FATTR_UID (1 << 1) #define FATTR_GID (1 << 2) #define FATTR_SIZE (1 << 3) #define FATTR_ATIME (1 << 4) #define FATTR_MTIME (1 << 5) #define FATTR_FH (1 << 6) #define FATTR_ATIME_NOW (1 << 7) #define FATTR_MTIME_NOW (1 << 8) #define FATTR_LOCKOWNER (1 << 9) /** * Flags returned by the OPEN request * * FOPEN_DIRECT_IO: bypass page cache for this open file * FOPEN_KEEP_CACHE: don't invalidate the data cache on open * FOPEN_NONSEEKABLE: the file is not seekable */ #define FOPEN_DIRECT_IO (1 << 0) #define FOPEN_KEEP_CACHE (1 << 1) #define FOPEN_NONSEEKABLE (1 << 2) /** * INIT request/reply flags * * FUSE_POSIX_LOCKS: remote locking for POSIX file locks * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." * FUSE_DONT_MASK: don't apply umask to file mode on create operations * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) #define FUSE_FILE_OPS (1 << 2) #define FUSE_ATOMIC_O_TRUNC (1 << 3) #define FUSE_EXPORT_SUPPORT (1 << 4) #define FUSE_BIG_WRITES (1 << 5) #define FUSE_DONT_MASK (1 << 6) #define FUSE_FLOCK_LOCKS (1 << 10) /** * CUSE INIT request/reply flags * * CUSE_UNRESTRICTED_IOCTL: use unrestricted ioctl */ #define CUSE_UNRESTRICTED_IOCTL (1 << 0) /** * Release flags */ #define FUSE_RELEASE_FLUSH (1 << 0) #define FUSE_RELEASE_FLOCK_UNLOCK (1 << 1) /** * Getattr flags */ #define FUSE_GETATTR_FH (1 << 0) /** * Lock flags */ #define FUSE_LK_FLOCK (1 << 0) /** * WRITE flags * * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed * FUSE_WRITE_LOCKOWNER: lock_owner field is valid */ #define FUSE_WRITE_CACHE (1 << 0) #define FUSE_WRITE_LOCKOWNER (1 << 1) /** * Read flags */ #define FUSE_READ_LOCKOWNER (1 << 1) /** * Ioctl flags * * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine * FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed * FUSE_IOCTL_RETRY: retry with new iovecs * FUSE_IOCTL_32BIT: 32bit ioctl * FUSE_IOCTL_DIR: is a directory * * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs */ #define FUSE_IOCTL_COMPAT (1 << 0) #define FUSE_IOCTL_UNRESTRICTED (1 << 1) #define FUSE_IOCTL_RETRY (1 << 2) #define FUSE_IOCTL_32BIT (1 << 3) #define FUSE_IOCTL_DIR (1 << 4) #define FUSE_IOCTL_MAX_IOV 256 /** * Poll flags * * FUSE_POLL_SCHEDULE_NOTIFY: request poll notify */ #define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0) enum fuse_opcode { FUSE_LOOKUP = 1, FUSE_FORGET = 2, /* no reply */ FUSE_GETATTR = 3, FUSE_SETATTR = 4, FUSE_READLINK = 5, FUSE_SYMLINK = 6, FUSE_MKNOD = 8, FUSE_MKDIR = 9, FUSE_UNLINK = 10, FUSE_RMDIR = 11, FUSE_RENAME = 12, FUSE_LINK = 13, FUSE_OPEN = 14, FUSE_READ = 15, FUSE_WRITE = 16, FUSE_STATFS = 17, FUSE_RELEASE = 18, FUSE_FSYNC = 20, FUSE_SETXATTR = 21, FUSE_GETXATTR = 22, FUSE_LISTXATTR = 23, FUSE_REMOVEXATTR = 24, FUSE_FLUSH = 25, FUSE_INIT = 26, FUSE_OPENDIR = 27, FUSE_READDIR = 28, FUSE_RELEASEDIR = 29, FUSE_FSYNCDIR = 30, FUSE_GETLK = 31, FUSE_SETLK = 32, FUSE_SETLKW = 33, FUSE_ACCESS = 34, FUSE_CREATE = 35, FUSE_INTERRUPT = 36, FUSE_BMAP = 37, FUSE_DESTROY = 38, FUSE_IOCTL = 39, FUSE_POLL = 40, FUSE_NOTIFY_REPLY = 41, FUSE_BATCH_FORGET = 42, FUSE_FALLOCATE = 43, /* CUSE specific operations */ CUSE_INIT = 4096, }; enum fuse_notify_code { FUSE_NOTIFY_POLL = 1, FUSE_NOTIFY_INVAL_INODE = 2, FUSE_NOTIFY_INVAL_ENTRY = 3, FUSE_NOTIFY_STORE = 4, FUSE_NOTIFY_RETRIEVE = 5, FUSE_NOTIFY_DELETE = 6, FUSE_NOTIFY_CODE_MAX, }; /* The read buffer is required to be at least 8k, but may be much larger */ #define FUSE_MIN_READ_BUFFER 8192 #define FUSE_COMPAT_ENTRY_OUT_SIZE 120 struct fuse_entry_out { __u64 nodeid; /* Inode ID */ __u64 generation; /* Inode generation: nodeid:gen must be unique for the fs's lifetime */ __u64 entry_valid; /* Cache timeout for the name */ __u64 attr_valid; /* Cache timeout for the attributes */ __u32 entry_valid_nsec; __u32 attr_valid_nsec; struct fuse_attr attr; }; struct fuse_forget_in { __u64 nlookup; }; struct fuse_forget_one { __u64 nodeid; __u64 nlookup; }; struct fuse_batch_forget_in { __u32 count; __u32 dummy; }; struct fuse_getattr_in { __u32 getattr_flags; __u32 dummy; __u64 fh; }; #define FUSE_COMPAT_ATTR_OUT_SIZE 96 struct fuse_attr_out { __u64 attr_valid; /* Cache timeout for the attributes */ __u32 attr_valid_nsec; __u32 dummy; struct fuse_attr attr; }; #define FUSE_COMPAT_MKNOD_IN_SIZE 8 struct fuse_mknod_in { __u32 mode; __u32 rdev; __u32 umask; __u32 padding; }; struct fuse_mkdir_in { __u32 mode; __u32 umask; }; struct fuse_rename_in { __u64 newdir; }; struct fuse_link_in { __u64 oldnodeid; }; struct fuse_setattr_in { __u32 valid; __u32 padding; __u64 fh; __u64 size; __u64 lock_owner; __u64 atime; __u64 mtime; __u64 unused2; __u32 atimensec; __u32 mtimensec; __u32 unused3; __u32 mode; __u32 unused4; __u32 uid; __u32 gid; __u32 unused5; }; struct fuse_open_in { __u32 flags; __u32 unused; }; struct fuse_create_in { __u32 flags; __u32 mode; __u32 umask; __u32 padding; }; struct fuse_open_out { __u64 fh; __u32 open_flags; __u32 padding; }; struct fuse_release_in { __u64 fh; __u32 flags; __u32 release_flags; __u64 lock_owner; }; struct fuse_flush_in { __u64 fh; __u32 unused; __u32 padding; __u64 lock_owner; }; struct fuse_read_in { __u64 fh; __u64 offset; __u32 size; __u32 read_flags; __u64 lock_owner; __u32 flags; __u32 padding; }; #define FUSE_COMPAT_WRITE_IN_SIZE 24 struct fuse_write_in { __u64 fh; __u64 offset; __u32 size; __u32 write_flags; __u64 lock_owner; __u32 flags; __u32 padding; }; struct fuse_write_out { __u32 size; __u32 padding; }; #define FUSE_COMPAT_STATFS_SIZE 48 struct fuse_statfs_out { struct fuse_kstatfs st; }; struct fuse_fsync_in { __u64 fh; __u32 fsync_flags; __u32 padding; }; struct fuse_setxattr_in { __u32 size; __u32 flags; }; struct fuse_getxattr_in { __u32 size; __u32 padding; }; struct fuse_getxattr_out { __u32 size; __u32 padding; }; struct fuse_lk_in { __u64 fh; __u64 owner; struct fuse_file_lock lk; __u32 lk_flags; __u32 padding; }; struct fuse_lk_out { struct fuse_file_lock lk; }; struct fuse_access_in { __u32 mask; __u32 padding; }; struct fuse_init_in { __u32 major; __u32 minor; __u32 max_readahead; __u32 flags; }; struct fuse_init_out { __u32 major; __u32 minor; __u32 max_readahead; __u32 flags; __u16 max_background; __u16 congestion_threshold; __u32 max_write; }; #define CUSE_INIT_INFO_MAX 4096 struct cuse_init_in { __u32 major; __u32 minor; __u32 unused; __u32 flags; }; struct cuse_init_out { __u32 major; __u32 minor; __u32 unused; __u32 flags; __u32 max_read; __u32 max_write; __u32 dev_major; /* chardev major */ __u32 dev_minor; /* chardev minor */ __u32 spare[10]; }; struct fuse_interrupt_in { __u64 unique; }; struct fuse_bmap_in { __u64 block; __u32 blocksize; __u32 padding; }; struct fuse_bmap_out { __u64 block; }; struct fuse_ioctl_in { __u64 fh; __u32 flags; __u32 cmd; __u64 arg; __u32 in_size; __u32 out_size; }; struct fuse_ioctl_iovec { __u64 base; __u64 len; }; struct fuse_ioctl_out { __s32 result; __u32 flags; __u32 in_iovs; __u32 out_iovs; }; struct fuse_poll_in { __u64 fh; __u64 kh; __u32 flags; __u32 padding; }; struct fuse_poll_out { __u32 revents; __u32 padding; }; struct fuse_notify_poll_wakeup_out { __u64 kh; }; struct fuse_fallocate_in { __u64 fh; __u64 offset; __u64 length; __u32 mode; __u32 padding; }; struct fuse_in_header { __u32 len; __u32 opcode; __u64 unique; __u64 nodeid; __u32 uid; __u32 gid; __u32 pid; __u32 padding; }; struct fuse_out_header { __u32 len; __s32 error; __u64 unique; }; struct fuse_dirent { __u64 ino; __u64 off; __u32 namelen; __u32 type; char name[]; }; #define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) #define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1)) #define FUSE_DIRENT_SIZE(d) \ FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) struct fuse_notify_inval_inode_out { __u64 ino; __s64 off; __s64 len; }; struct fuse_notify_inval_entry_out { __u64 parent; __u32 namelen; __u32 padding; }; struct fuse_notify_delete_out { __u64 parent; __u64 child; __u32 namelen; __u32 padding; }; struct fuse_notify_store_out { __u64 nodeid; __u64 offset; __u32 size; __u32 padding; }; struct fuse_notify_retrieve_out { __u64 notify_unique; __u64 nodeid; __u64 offset; __u32 size; __u32 padding; }; /* Matches the size of fuse_write_in */ struct fuse_notify_retrieve_in { __u64 dummy1; __u64 offset; __u32 size; __u32 dummy2; __u64 dummy3; __u64 dummy4; }; #endif /* _LINUX_FUSE_H */ fuse-2.9.7/include/cuse_lowlevel.h0000644000175000017500000000502012732044227014060 00000000000000/* CUSE: Character device in Userspace Copyright (C) 2008-2009 SUSE Linux Products GmbH Copyright (C) 2008-2009 Tejun Heo This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. Read example/cusexmp.c for usages. */ #ifndef _CUSE_LOWLEVEL_H_ #define _CUSE_LOWLEVEL_H_ #ifndef FUSE_USE_VERSION #define FUSE_USE_VERSION 29 #endif #include "fuse_lowlevel.h" #include #include #include #ifdef __cplusplus extern "C" { #endif #define CUSE_UNRESTRICTED_IOCTL (1 << 0) /* use unrestricted ioctl */ struct fuse_session; struct cuse_info { unsigned dev_major; unsigned dev_minor; unsigned dev_info_argc; const char **dev_info_argv; unsigned flags; }; /* * Most ops behave almost identically to the matching fuse_lowlevel * ops except that they don't take @ino. * * init_done : called after initialization is complete * read/write : always direct IO, simultaneous operations allowed * ioctl : might be in unrestricted mode depending on ci->flags */ struct cuse_lowlevel_ops { void (*init) (void *userdata, struct fuse_conn_info *conn); void (*init_done) (void *userdata); void (*destroy) (void *userdata); void (*open) (fuse_req_t req, struct fuse_file_info *fi); void (*read) (fuse_req_t req, size_t size, off_t off, struct fuse_file_info *fi); void (*write) (fuse_req_t req, const char *buf, size_t size, off_t off, struct fuse_file_info *fi); void (*flush) (fuse_req_t req, struct fuse_file_info *fi); void (*release) (fuse_req_t req, struct fuse_file_info *fi); void (*fsync) (fuse_req_t req, int datasync, struct fuse_file_info *fi); void (*ioctl) (fuse_req_t req, int cmd, void *arg, struct fuse_file_info *fi, unsigned int flags, const void *in_buf, size_t in_bufsz, size_t out_bufsz); void (*poll) (fuse_req_t req, struct fuse_file_info *fi, struct fuse_pollhandle *ph); }; struct fuse_session *cuse_lowlevel_new(struct fuse_args *args, const struct cuse_info *ci, const struct cuse_lowlevel_ops *clop, void *userdata); struct fuse_session *cuse_lowlevel_setup(int argc, char *argv[], const struct cuse_info *ci, const struct cuse_lowlevel_ops *clop, int *multithreaded, void *userdata); void cuse_lowlevel_teardown(struct fuse_session *se); int cuse_lowlevel_main(int argc, char *argv[], const struct cuse_info *ci, const struct cuse_lowlevel_ops *clop, void *userdata); #ifdef __cplusplus } #endif #endif /* _CUSE_LOWLEVEL_H_ */ fuse-2.9.7/m4/0000755000175000017500000000000012732044660010020 500000000000000fuse-2.9.7/m4/lt~obsolete.m40000644000175000017500000001375612676563535012606 00000000000000# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- # # Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc. # Written by Scott James Remnant, 2004. # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 5 lt~obsolete.m4 # These exist entirely to fool aclocal when bootstrapping libtool. # # In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN) # which have later been changed to m4_define as they aren't part of the # exported API, or moved to Autoconf or Automake where they belong. # # The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN # in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us # using a macro with the same name in our local m4/libtool.m4 it'll # pull the old libtool.m4 in (it doesn't see our shiny new m4_define # and doesn't know about Autoconf macros at all.) # # So we provide this file, which has a silly filename so it's always # included after everything else. This provides aclocal with the # AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything # because those macros already exist, or will be overwritten later. # We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. # # Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. # Yes, that means every name once taken will need to remain here until # we give up compatibility with versions before 1.7, at which point # we need to keep only those names which we still refer to. # This is to help aclocal find these macros, as it can't see m4_define. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. 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See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, or # obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ]) # serial 57 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ltmain" # Always use our own libtool. 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#endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], [lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; 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newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; 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*) lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[[3-9]]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method = "file_magic"]) _LT_DECL([], [file_magic_glob], [1], [How to find potential files when deplibs_check_method = "file_magic"]) _LT_DECL([], [want_nocaseglob], [1], [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi]) if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols" ;; *) DUMPBIN=: ;; esac fi AC_SUBST([DUMPBIN]) if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm AC_SUBST([NM]) _LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], [lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) cat conftest.out >&AS_MESSAGE_LOG_FD if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest*]) ])# LT_PATH_NM # Old names: AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_PROG_NM], []) dnl AC_DEFUN([AC_PROG_NM], []) # _LT_CHECK_SHAREDLIB_FROM_LINKLIB # -------------------------------- # how to determine the name of the shared library # associated with a specific link library. # -- PORTME fill in with the dynamic library characteristics m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], [m4_require([_LT_DECL_EGREP]) m4_require([_LT_DECL_OBJDUMP]) m4_require([_LT_DECL_DLLTOOL]) AC_CACHE_CHECK([how to associate runtime and link libraries], lt_cv_sharedlib_from_linklib_cmd, [lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac ]) sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO _LT_DECL([], [sharedlib_from_linklib_cmd], [1], [Command to associate shared and link libraries]) ])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB # _LT_PATH_MANIFEST_TOOL # ---------------------- # locate the manifest tool m4_defun([_LT_PATH_MANIFEST_TOOL], [AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], [lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&AS_MESSAGE_LOG_FD if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest*]) if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi _LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl ])# _LT_PATH_MANIFEST_TOOL # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM="-lm") ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test "$GCC" = yes; then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test "$GXX" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' if test "$host_cpu" != ia64; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64 which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test "$GCC" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64 which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All OSF/1 code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; rdos*) _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; solaris*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; *) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms which do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; 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(KAI) C++ Compiler # KCC will only create a shared library if the output file # ends with ".so" (or ".sl" for HP-UX), so rename the library # to its proper name (with version) after linking. _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' # Archives containing C++ object files must be created using # "CC -Bstatic", where "CC" is the KAI C++ compiler. _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; icpc* | ecpc* ) # Intel C++ with_gnu_ld=yes # version 8.0 and above of icpc choke on multiply defined symbols # if we add $predep_objects and $postdep_objects, however 7.1 and # earlier do not add the objects themselves. case `$CC -V 2>&1` in *"Version 7."*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 8.0 or newer tmp_idyn= case $host_cpu in ia64*) tmp_idyn=' -i_dynamic';; esac _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' ;; pgCC* | pgcpp*) # Portland Group C++ compiler case `$CC -V` in *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ $RANLIB $oldlib' _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; *) # Version 6 and above use weak symbols _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; esac _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' ;; cxx*) # Compaq C++ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' runpath_var=LD_RUN_PATH _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' ;; xl* | mpixl* | bgxl*) # IBM XL 8.0 on PPC, with GNU ld _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' if test "x$supports_anon_versioning" = xyes; then _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' fi ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' _LT_TAGVAR(compiler_needs_object, $1)=yes # Not sure whether something based on # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 # would be better. output_verbose_link_cmd='func_echo_all' # Archives containing C++ object files must be created using # "CC -xar", where "CC" is the Sun C++ compiler. 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*) _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ echo "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ $RM $lib.exp' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' ;; esac _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; 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|| _lt_function_replace_fail=: else # Save a `func_append' function call even when '+=' is not available sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ && mv -f "$cfgfile.tmp" "$cfgfile" \ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") test 0 -eq $? || _lt_function_replace_fail=: fi if test x"$_lt_function_replace_fail" = x":"; then AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) fi ]) # _LT_PATH_CONVERSION_FUNCTIONS # ----------------------------- # Determine which file name conversion functions should be used by # func_to_host_file (and, implicitly, by func_to_host_path). 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 7 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option `$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl `shared' nor `disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the `shared' and # `disable-shared' LT_INIT options. # DEFAULT is either `yes' or `no'. 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If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the `fast-install' # and `disable-fast-install' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_FAST_INSTALL], [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([fast-install], [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) _LT_DECL([fast_install], [enable_fast_install], [0], [Whether or not to optimize for fast installation])dnl ])# _LT_ENABLE_FAST_INSTALL LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) # Old names: AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `fast-install' option into LT_INIT's first parameter.]) ]) AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `disable-fast-install' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) # _LT_WITH_PIC([MODE]) # -------------------- # implement the --with-pic flag, and support the `pic-only' and `no-pic' # LT_INIT options. # MODE is either `yes' or `no'. 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See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . nl=' ' # We need space, tab and new line, in precisely that order. Quoting is # there to prevent tools from complaining about whitespace usage. IFS=" "" $nl" file_conv= # func_file_conv build_file lazy # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. 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That is also # ok. exec "$@" fi # Name of file we expect compiler to create. cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` # Create the lock directory. # Note: use '[/\\:.-]' here to ensure that we don't use the same name # that we are using for the .o file. Also, base the name on the expected # object file name, since that is what matters with a parallel build. lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d while true; do if mkdir "$lockdir" >/dev/null 2>&1; then break fi sleep 1 done # FIXME: race condition here if user kills between mkdir and trap. trap "rmdir '$lockdir'; exit 1" 1 2 15 # Run the compile. "$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: fuse-2.9.7/example/0000755000175000017500000000000012732044660011133 500000000000000fuse-2.9.7/example/hello.c0000644000175000017500000000366612732044227012334 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall hello.c `pkg-config fuse --cflags --libs` -o hello */ #define FUSE_USE_VERSION 26 #include #include #include #include #include static const char *hello_str = "Hello World!\n"; static const char *hello_path = "/hello"; static int hello_getattr(const char *path, struct stat *stbuf) { int res = 0; memset(stbuf, 0, sizeof(struct stat)); if (strcmp(path, "/") == 0) { stbuf->st_mode = S_IFDIR | 0755; stbuf->st_nlink = 2; } else if (strcmp(path, hello_path) == 0) { stbuf->st_mode = S_IFREG | 0444; stbuf->st_nlink = 1; stbuf->st_size = strlen(hello_str); } else res = -ENOENT; return res; } static int hello_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { (void) offset; (void) fi; if (strcmp(path, "/") != 0) return -ENOENT; filler(buf, ".", NULL, 0); filler(buf, "..", NULL, 0); filler(buf, hello_path + 1, NULL, 0); return 0; } static int hello_open(const char *path, struct fuse_file_info *fi) { if (strcmp(path, hello_path) != 0) return -ENOENT; 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mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ tags tags-am uninstall uninstall-am # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: fuse-2.9.7/example/fioc.h0000644000175000017500000000135312732044227012145 00000000000000/* FUSE-ioctl: ioctl support for FUSE Copyright (C) 2008 SUSE Linux Products GmbH Copyright (C) 2008 Tejun Heo This program can be distributed under the terms of the GNU GPL. See the file COPYING. */ #include #include #include enum { FIOC_GET_SIZE = _IOR('E', 0, size_t), FIOC_SET_SIZE = _IOW('E', 1, size_t), /* * The following two ioctls don't follow usual encoding rules * and transfer variable amount of data. */ FIOC_READ = _IO('E', 2), FIOC_WRITE = _IO('E', 3), }; struct fioc_rw_arg { off_t offset; void *buf; size_t size; size_t prev_size; /* out param for previous total size */ size_t new_size; /* out param for new total size */ }; fuse-2.9.7/example/Makefile.am0000644000175000017500000000072412732044227013111 00000000000000## Process this file with automake to produce Makefile.in AM_CPPFLAGS = -I$(top_srcdir)/include -D_FILE_OFFSET_BITS=64 -D_REENTRANT noinst_HEADERS = fioc.h noinst_PROGRAMS = fusexmp fusexmp_fh null hello hello_ll fioc fioclient \ fsel fselclient cusexmp LDADD = ../lib/libfuse.la fusexmp_fh_LDADD = ../lib/libfuse.la ../lib/libulockmgr.la fioclient_CPPFLAGS = fioclient_LDFLAGS = fioclient_LDADD = fselclient_CPPFLAGS = fselclient_LDFLAGS = fselclient_LDADD = fuse-2.9.7/example/fusexmp_fh.c0000644000175000017500000002342712732044227013372 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi Copyright (C) 2011 Sebastian Pipping This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall fusexmp_fh.c `pkg-config fuse --cflags --libs` -lulockmgr -o fusexmp_fh */ #define FUSE_USE_VERSION 26 #ifdef HAVE_CONFIG_H #include #endif #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_SETXATTR #include #endif #include /* flock(2) */ static int xmp_getattr(const char *path, struct stat *stbuf) { int res; res = lstat(path, stbuf); if (res == -1) return -errno; return 0; } static int xmp_fgetattr(const char *path, struct stat *stbuf, struct fuse_file_info *fi) { int res; (void) path; res = fstat(fi->fh, stbuf); if (res == -1) return -errno; return 0; } static int xmp_access(const char *path, int mask) { int res; res = access(path, mask); if (res == -1) return -errno; return 0; } static int xmp_readlink(const char *path, char *buf, size_t size) { int res; res = readlink(path, buf, size - 1); if (res == -1) return -errno; buf[res] = '\0'; return 0; } struct xmp_dirp { DIR *dp; struct dirent *entry; off_t offset; }; static int xmp_opendir(const char *path, struct fuse_file_info *fi) { int res; struct xmp_dirp *d = malloc(sizeof(struct xmp_dirp)); if (d == NULL) return -ENOMEM; d->dp = opendir(path); if (d->dp == NULL) { res = -errno; free(d); return res; } d->offset = 0; d->entry = NULL; fi->fh = (unsigned long) d; return 0; } static inline struct xmp_dirp *get_dirp(struct fuse_file_info *fi) { return (struct xmp_dirp *) (uintptr_t) fi->fh; } static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { struct xmp_dirp *d = get_dirp(fi); (void) path; if (offset != d->offset) { seekdir(d->dp, offset); d->entry = NULL; d->offset = offset; } while (1) { struct stat st; off_t nextoff; if (!d->entry) { d->entry = readdir(d->dp); if (!d->entry) break; } memset(&st, 0, sizeof(st)); st.st_ino = d->entry->d_ino; st.st_mode = d->entry->d_type << 12; nextoff = telldir(d->dp); if (filler(buf, d->entry->d_name, &st, nextoff)) break; d->entry = NULL; d->offset = nextoff; } return 0; } static int xmp_releasedir(const char *path, struct fuse_file_info *fi) { struct xmp_dirp *d = get_dirp(fi); (void) path; closedir(d->dp); free(d); return 0; } static int xmp_mknod(const char *path, mode_t mode, dev_t rdev) { int res; if (S_ISFIFO(mode)) res = mkfifo(path, mode); else res = mknod(path, mode, rdev); if (res == -1) return -errno; return 0; } static int xmp_mkdir(const char *path, mode_t mode) { int res; res = mkdir(path, mode); if (res == -1) return -errno; return 0; } static int xmp_unlink(const char *path) { int res; res = unlink(path); if (res == -1) return -errno; return 0; } static int xmp_rmdir(const char *path) { int res; res = rmdir(path); if (res == -1) return -errno; return 0; } static int xmp_symlink(const char *from, const char *to) { int res; res = symlink(from, to); if (res == -1) return -errno; return 0; } static int xmp_rename(const char *from, const char *to) { int res; res = rename(from, to); if (res == -1) return -errno; return 0; } static int xmp_link(const char *from, const char *to) { int res; res = link(from, to); if (res == -1) return -errno; return 0; } static int xmp_chmod(const char *path, mode_t mode) { int res; res = chmod(path, mode); if (res == -1) return -errno; return 0; } static int xmp_chown(const char *path, uid_t uid, gid_t gid) { int res; res = lchown(path, uid, gid); if (res == -1) return -errno; return 0; } static int xmp_truncate(const char *path, off_t size) { int res; res = truncate(path, size); if (res == -1) return -errno; return 0; } static int xmp_ftruncate(const char *path, off_t size, struct fuse_file_info *fi) { int res; (void) path; res = ftruncate(fi->fh, size); if (res == -1) return -errno; return 0; } #ifdef HAVE_UTIMENSAT static int xmp_utimens(const char *path, const struct timespec ts[2]) { int res; /* don't use utime/utimes since they follow symlinks */ res = utimensat(0, path, ts, AT_SYMLINK_NOFOLLOW); if (res == -1) return -errno; return 0; } #endif static int xmp_create(const char *path, mode_t mode, struct fuse_file_info *fi) { int fd; fd = open(path, fi->flags, mode); if (fd == -1) return -errno; fi->fh = fd; return 0; } static int xmp_open(const char *path, struct fuse_file_info *fi) { int fd; fd = open(path, fi->flags); if (fd == -1) return -errno; fi->fh = fd; return 0; } static int xmp_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { int res; (void) path; res = pread(fi->fh, buf, size, offset); if (res == -1) res = -errno; return res; } static int xmp_read_buf(const char *path, struct fuse_bufvec **bufp, size_t size, off_t offset, struct fuse_file_info *fi) { struct fuse_bufvec *src; (void) path; src = malloc(sizeof(struct fuse_bufvec)); if (src == NULL) return -ENOMEM; *src = FUSE_BUFVEC_INIT(size); src->buf[0].flags = FUSE_BUF_IS_FD | FUSE_BUF_FD_SEEK; src->buf[0].fd = fi->fh; src->buf[0].pos = offset; *bufp = src; return 0; } static int xmp_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { int res; (void) path; res = pwrite(fi->fh, buf, size, offset); if (res == -1) res = -errno; return res; } static int xmp_write_buf(const char *path, struct fuse_bufvec *buf, off_t offset, struct fuse_file_info *fi) { struct fuse_bufvec dst = FUSE_BUFVEC_INIT(fuse_buf_size(buf)); (void) path; dst.buf[0].flags = FUSE_BUF_IS_FD | FUSE_BUF_FD_SEEK; dst.buf[0].fd = fi->fh; dst.buf[0].pos = offset; return fuse_buf_copy(&dst, buf, FUSE_BUF_SPLICE_NONBLOCK); } static int xmp_statfs(const char *path, struct statvfs *stbuf) { int res; res = statvfs(path, stbuf); if (res == -1) return -errno; return 0; } static int xmp_flush(const char *path, struct fuse_file_info *fi) { int res; (void) path; /* This is called from every close on an open file, so call the close on the underlying filesystem. But since flush may be called multiple times for an open file, this must not really close the file. This is important if used on a network filesystem like NFS which flush the data/metadata on close() */ res = close(dup(fi->fh)); if (res == -1) return -errno; return 0; } static int xmp_release(const char *path, struct fuse_file_info *fi) { (void) path; close(fi->fh); return 0; } static int xmp_fsync(const char *path, int isdatasync, struct fuse_file_info *fi) { int res; (void) path; #ifndef HAVE_FDATASYNC (void) isdatasync; #else if (isdatasync) res = fdatasync(fi->fh); else #endif res = fsync(fi->fh); if (res == -1) return -errno; return 0; } #ifdef HAVE_POSIX_FALLOCATE static int xmp_fallocate(const char *path, int mode, off_t offset, off_t length, struct fuse_file_info *fi) { (void) path; if (mode) return -EOPNOTSUPP; return -posix_fallocate(fi->fh, offset, length); } #endif #ifdef HAVE_SETXATTR /* xattr operations are optional and can safely be left unimplemented */ static int xmp_setxattr(const char *path, const char *name, const char *value, size_t size, int flags) { int res = lsetxattr(path, name, value, size, flags); if (res == -1) return -errno; return 0; } static int xmp_getxattr(const char *path, const char *name, char *value, size_t size) { int res = lgetxattr(path, name, value, size); if (res == -1) return -errno; return res; } static int xmp_listxattr(const char *path, char *list, size_t size) { int res = llistxattr(path, list, size); if (res == -1) return -errno; return res; } static int xmp_removexattr(const char *path, const char *name) { int res = lremovexattr(path, name); if (res == -1) return -errno; return 0; } #endif /* HAVE_SETXATTR */ static int xmp_lock(const char *path, struct fuse_file_info *fi, int cmd, struct flock *lock) { (void) path; return ulockmgr_op(fi->fh, cmd, lock, &fi->lock_owner, sizeof(fi->lock_owner)); } static int xmp_flock(const char *path, struct fuse_file_info *fi, int op) { int res; (void) path; res = flock(fi->fh, op); if (res == -1) return -errno; return 0; } static struct fuse_operations xmp_oper = { .getattr = xmp_getattr, .fgetattr = xmp_fgetattr, .access = xmp_access, .readlink = xmp_readlink, .opendir = xmp_opendir, .readdir = xmp_readdir, .releasedir = xmp_releasedir, .mknod = xmp_mknod, .mkdir = xmp_mkdir, .symlink = xmp_symlink, .unlink = xmp_unlink, .rmdir = xmp_rmdir, .rename = xmp_rename, .link = xmp_link, .chmod = xmp_chmod, .chown = xmp_chown, .truncate = xmp_truncate, .ftruncate = xmp_ftruncate, #ifdef HAVE_UTIMENSAT .utimens = xmp_utimens, #endif .create = xmp_create, .open = xmp_open, .read = xmp_read, .read_buf = xmp_read_buf, .write = xmp_write, .write_buf = xmp_write_buf, .statfs = xmp_statfs, .flush = xmp_flush, .release = xmp_release, .fsync = xmp_fsync, #ifdef HAVE_POSIX_FALLOCATE .fallocate = xmp_fallocate, #endif #ifdef HAVE_SETXATTR .setxattr = xmp_setxattr, .getxattr = xmp_getxattr, .listxattr = xmp_listxattr, .removexattr = xmp_removexattr, #endif .lock = xmp_lock, .flock = xmp_flock, .flag_nullpath_ok = 1, #if HAVE_UTIMENSAT .flag_utime_omit_ok = 1, #endif }; int main(int argc, char *argv[]) { umask(0); return fuse_main(argc, argv, &xmp_oper, NULL); } fuse-2.9.7/example/fsel.c0000644000175000017500000001365212732044227012156 00000000000000/* FUSE fsel: FUSE select example Copyright (C) 2008 SUSE Linux Products GmbH Copyright (C) 2008 Tejun Heo This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall fsel.c `pkg-config fuse --cflags --libs` -o fsel */ #define FUSE_USE_VERSION 29 #include #include #include #include #include #include #include #include #include #include /* * fsel_open_mask is used to limit the number of opens to 1 per file. * This is to use file index (0-F) as fh as poll support requires * unique fh per open file. Lifting this would require proper open * file management. */ static unsigned fsel_open_mask; static const char fsel_hex_map[] = "0123456789ABCDEF"; static struct fuse *fsel_fuse; /* needed for poll notification */ #define FSEL_CNT_MAX 10 /* each file can store upto 10 chars */ #define FSEL_FILES 16 static pthread_mutex_t fsel_mutex; /* protects notify_mask and cnt array */ static unsigned fsel_poll_notify_mask; /* poll notification scheduled? */ static struct fuse_pollhandle *fsel_poll_handle[FSEL_FILES]; /* poll notify handles */ static unsigned fsel_cnt[FSEL_FILES]; /* nbytes stored in each file */ static int fsel_path_index(const char *path) { char ch = path[1]; if (strlen(path) != 2 || path[0] != '/' || !isxdigit(ch) || islower(ch)) return -1; return ch <= '9' ? ch - '0' : ch - 'A' + 10; } static int fsel_getattr(const char *path, struct stat *stbuf) { int idx; memset(stbuf, 0, sizeof(struct stat)); if (strcmp(path, "/") == 0) { stbuf->st_mode = S_IFDIR | 0555; stbuf->st_nlink = 2; return 0; } idx = fsel_path_index(path); if (idx < 0) return -ENOENT; stbuf->st_mode = S_IFREG | 0444; stbuf->st_nlink = 1; stbuf->st_size = fsel_cnt[idx]; return 0; } static int fsel_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { char name[2] = { }; int i; (void) offset; (void) fi; if (strcmp(path, "/") != 0) return -ENOENT; for (i = 0; i < FSEL_FILES; i++) { name[0] = fsel_hex_map[i]; filler(buf, name, NULL, 0); } return 0; } static int fsel_open(const char *path, struct fuse_file_info *fi) { int idx = fsel_path_index(path); if (idx < 0) return -ENOENT; if ((fi->flags & 3) != O_RDONLY) return -EACCES; if (fsel_open_mask & (1 << idx)) return -EBUSY; fsel_open_mask |= (1 << idx); /* * fsel files are nonseekable somewhat pipe-like files which * gets filled up periodically by producer thread and consumed * on read. Tell FUSE as such. */ fi->fh = idx; fi->direct_io = 1; fi->nonseekable = 1; return 0; } static int fsel_release(const char *path, struct fuse_file_info *fi) { int idx = fi->fh; (void) path; fsel_open_mask &= ~(1 << idx); return 0; } static int fsel_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { int idx = fi->fh; (void) path; (void) offset; pthread_mutex_lock(&fsel_mutex); if (fsel_cnt[idx] < size) size = fsel_cnt[idx]; printf("READ %X transferred=%zu cnt=%u\n", idx, size, fsel_cnt[idx]); fsel_cnt[idx] -= size; pthread_mutex_unlock(&fsel_mutex); memset(buf, fsel_hex_map[idx], size); return size; } static int fsel_poll(const char *path, struct fuse_file_info *fi, struct fuse_pollhandle *ph, unsigned *reventsp) { static unsigned polled_zero; int idx = fi->fh; (void) path; /* * Poll notification requires pointer to struct fuse which * can't be obtained when using fuse_main(). As notification * happens only after poll is called, fill it here from * fuse_context. */ if (!fsel_fuse) { struct fuse_context *cxt = fuse_get_context(); if (cxt) fsel_fuse = cxt->fuse; } pthread_mutex_lock(&fsel_mutex); if (ph != NULL) { struct fuse_pollhandle *oldph = fsel_poll_handle[idx]; if (oldph) fuse_pollhandle_destroy(oldph); fsel_poll_notify_mask |= (1 << idx); fsel_poll_handle[idx] = ph; } if (fsel_cnt[idx]) { *reventsp |= POLLIN; printf("POLL %X cnt=%u polled_zero=%u\n", idx, fsel_cnt[idx], polled_zero); polled_zero = 0; } else polled_zero++; pthread_mutex_unlock(&fsel_mutex); return 0; } static struct fuse_operations fsel_oper = { .getattr = fsel_getattr, .readdir = fsel_readdir, .open = fsel_open, .release = fsel_release, .read = fsel_read, .poll = fsel_poll, }; static void *fsel_producer(void *data) { const struct timespec interval = { 0, 250000000 }; unsigned idx = 0, nr = 1; (void) data; while (1) { int i, t; pthread_mutex_lock(&fsel_mutex); /* * This is the main producer loop which is executed * ever 500ms. On each iteration, it fills one byte * to 1, 2 or 4 files and sends poll notification if * requested. */ for (i = 0, t = idx; i < nr; i++, t = (t + FSEL_FILES / nr) % FSEL_FILES) { if (fsel_cnt[t] == FSEL_CNT_MAX) continue; fsel_cnt[t]++; if (fsel_fuse && (fsel_poll_notify_mask & (1 << t))) { struct fuse_pollhandle *ph; printf("NOTIFY %X\n", t); ph = fsel_poll_handle[t]; fuse_notify_poll(ph); fuse_pollhandle_destroy(ph); fsel_poll_notify_mask &= ~(1 << t); fsel_poll_handle[t] = NULL; } } idx = (idx + 1) % FSEL_FILES; if (idx == 0) nr = (nr * 2) % 7; /* cycle through 1, 2 and 4 */ pthread_mutex_unlock(&fsel_mutex); nanosleep(&interval, NULL); } return NULL; } int main(int argc, char *argv[]) { pthread_t producer; pthread_attr_t attr; int ret; errno = pthread_mutex_init(&fsel_mutex, NULL); if (errno) { perror("pthread_mutex_init"); return 1; } errno = pthread_attr_init(&attr); if (errno) { perror("pthread_attr_init"); return 1; } errno = pthread_create(&producer, &attr, fsel_producer, NULL); if (errno) { perror("pthread_create"); return 1; } ret = fuse_main(argc, argv, &fsel_oper, NULL); pthread_cancel(producer); pthread_join(producer, NULL); return ret; } fuse-2.9.7/example/fioc.c0000644000175000017500000000750712732044227012147 00000000000000/* FUSE fioc: FUSE ioctl example Copyright (C) 2008 SUSE Linux Products GmbH Copyright (C) 2008 Tejun Heo This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall fioc.c `pkg-config fuse --cflags --libs` -o fioc */ #define FUSE_USE_VERSION 26 #include #include #include #include #include #include #include #include "fioc.h" #define FIOC_NAME "fioc" enum { FIOC_NONE, FIOC_ROOT, FIOC_FILE, }; static void *fioc_buf; static size_t fioc_size; static int fioc_resize(size_t new_size) { void *new_buf; if (new_size == fioc_size) return 0; new_buf = realloc(fioc_buf, new_size); if (!new_buf && new_size) return -ENOMEM; if (new_size > fioc_size) memset(new_buf + fioc_size, 0, new_size - fioc_size); fioc_buf = new_buf; fioc_size = new_size; return 0; } static int fioc_expand(size_t new_size) { if (new_size > fioc_size) return fioc_resize(new_size); return 0; } static int fioc_file_type(const char *path) { if (strcmp(path, "/") == 0) return FIOC_ROOT; if (strcmp(path, "/" FIOC_NAME) == 0) return FIOC_FILE; return FIOC_NONE; } static int fioc_getattr(const char *path, struct stat *stbuf) { stbuf->st_uid = getuid(); stbuf->st_gid = getgid(); stbuf->st_atime = stbuf->st_mtime = time(NULL); switch (fioc_file_type(path)) { case FIOC_ROOT: stbuf->st_mode = S_IFDIR | 0755; stbuf->st_nlink = 2; break; case FIOC_FILE: stbuf->st_mode = S_IFREG | 0644; stbuf->st_nlink = 1; stbuf->st_size = fioc_size; break; case FIOC_NONE: return -ENOENT; } return 0; } static int fioc_open(const char *path, struct fuse_file_info *fi) { (void) fi; if (fioc_file_type(path) != FIOC_NONE) return 0; return -ENOENT; } static int fioc_do_read(char *buf, size_t size, off_t offset) { if (offset >= fioc_size) return 0; if (size > fioc_size - offset) size = fioc_size - offset; memcpy(buf, fioc_buf + offset, size); return size; } static int fioc_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { (void) fi; if (fioc_file_type(path) != FIOC_FILE) return -EINVAL; return fioc_do_read(buf, size, offset); } static int fioc_do_write(const char *buf, size_t size, off_t offset) { if (fioc_expand(offset + size)) return -ENOMEM; memcpy(fioc_buf + offset, buf, size); return size; } static int fioc_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { (void) fi; if (fioc_file_type(path) != FIOC_FILE) return -EINVAL; return fioc_do_write(buf, size, offset); } static int fioc_truncate(const char *path, off_t size) { if (fioc_file_type(path) != FIOC_FILE) return -EINVAL; return fioc_resize(size); } static int fioc_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { (void) fi; (void) offset; if (fioc_file_type(path) != FIOC_ROOT) return -ENOENT; filler(buf, ".", NULL, 0); filler(buf, "..", NULL, 0); filler(buf, FIOC_NAME, NULL, 0); return 0; } static int fioc_ioctl(const char *path, int cmd, void *arg, struct fuse_file_info *fi, unsigned int flags, void *data) { (void) arg; (void) fi; (void) flags; if (fioc_file_type(path) != FIOC_FILE) return -EINVAL; if (flags & FUSE_IOCTL_COMPAT) return -ENOSYS; switch (cmd) { case FIOC_GET_SIZE: *(size_t *)data = fioc_size; return 0; case FIOC_SET_SIZE: fioc_resize(*(size_t *)data); return 0; } return -EINVAL; } static struct fuse_operations fioc_oper = { .getattr = fioc_getattr, .readdir = fioc_readdir, .truncate = fioc_truncate, .open = fioc_open, .read = fioc_read, .write = fioc_write, .ioctl = fioc_ioctl, }; int main(int argc, char *argv[]) { return fuse_main(argc, argv, &fioc_oper, NULL); } fuse-2.9.7/example/fusexmp.c0000644000175000017500000001554712732044227012721 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi Copyright (C) 2011 Sebastian Pipping This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall fusexmp.c `pkg-config fuse --cflags --libs` -o fusexmp */ #define FUSE_USE_VERSION 26 #ifdef HAVE_CONFIG_H #include #endif #ifdef linux /* For pread()/pwrite()/utimensat() */ #define _XOPEN_SOURCE 700 #endif #include #include #include #include #include #include #include #include #include #ifdef HAVE_SETXATTR #include #endif static int xmp_getattr(const char *path, struct stat *stbuf) { int res; res = lstat(path, stbuf); if (res == -1) return -errno; return 0; } static int xmp_access(const char *path, int mask) { int res; res = access(path, mask); if (res == -1) return -errno; return 0; } static int xmp_readlink(const char *path, char *buf, size_t size) { int res; res = readlink(path, buf, size - 1); if (res == -1) return -errno; buf[res] = '\0'; return 0; } static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { DIR *dp; struct dirent *de; (void) offset; (void) fi; dp = opendir(path); if (dp == NULL) return -errno; while ((de = readdir(dp)) != NULL) { struct stat st; memset(&st, 0, sizeof(st)); st.st_ino = de->d_ino; st.st_mode = de->d_type << 12; if (filler(buf, de->d_name, &st, 0)) break; } closedir(dp); return 0; } static int xmp_mknod(const char *path, mode_t mode, dev_t rdev) { int res; /* On Linux this could just be 'mknod(path, mode, rdev)' but this is more portable */ if (S_ISREG(mode)) { res = open(path, O_CREAT | O_EXCL | O_WRONLY, mode); if (res >= 0) res = close(res); } else if (S_ISFIFO(mode)) res = mkfifo(path, mode); else res = mknod(path, mode, rdev); if (res == -1) return -errno; return 0; } static int xmp_mkdir(const char *path, mode_t mode) { int res; res = mkdir(path, mode); if (res == -1) return -errno; return 0; } static int xmp_unlink(const char *path) { int res; res = unlink(path); if (res == -1) return -errno; return 0; } static int xmp_rmdir(const char *path) { int res; res = rmdir(path); if (res == -1) return -errno; return 0; } static int xmp_symlink(const char *from, const char *to) { int res; res = symlink(from, to); if (res == -1) return -errno; return 0; } static int xmp_rename(const char *from, const char *to) { int res; res = rename(from, to); if (res == -1) return -errno; return 0; } static int xmp_link(const char *from, const char *to) { int res; res = link(from, to); if (res == -1) return -errno; return 0; } static int xmp_chmod(const char *path, mode_t mode) { int res; res = chmod(path, mode); if (res == -1) return -errno; return 0; } static int xmp_chown(const char *path, uid_t uid, gid_t gid) { int res; res = lchown(path, uid, gid); if (res == -1) return -errno; return 0; } static int xmp_truncate(const char *path, off_t size) { int res; res = truncate(path, size); if (res == -1) return -errno; return 0; } #ifdef HAVE_UTIMENSAT static int xmp_utimens(const char *path, const struct timespec ts[2]) { int res; /* don't use utime/utimes since they follow symlinks */ res = utimensat(0, path, ts, AT_SYMLINK_NOFOLLOW); if (res == -1) return -errno; return 0; } #endif static int xmp_open(const char *path, struct fuse_file_info *fi) { int res; res = open(path, fi->flags); if (res == -1) return -errno; close(res); return 0; } static int xmp_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { int fd; int res; (void) fi; fd = open(path, O_RDONLY); if (fd == -1) return -errno; res = pread(fd, buf, size, offset); if (res == -1) res = -errno; close(fd); return res; } static int xmp_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { int fd; int res; (void) fi; fd = open(path, O_WRONLY); if (fd == -1) return -errno; res = pwrite(fd, buf, size, offset); if (res == -1) res = -errno; close(fd); return res; } static int xmp_statfs(const char *path, struct statvfs *stbuf) { int res; res = statvfs(path, stbuf); if (res == -1) return -errno; return 0; } static int xmp_release(const char *path, struct fuse_file_info *fi) { /* Just a stub. This method is optional and can safely be left unimplemented */ (void) path; (void) fi; return 0; } static int xmp_fsync(const char *path, int isdatasync, struct fuse_file_info *fi) { /* Just a stub. This method is optional and can safely be left unimplemented */ (void) path; (void) isdatasync; (void) fi; return 0; } #ifdef HAVE_POSIX_FALLOCATE static int xmp_fallocate(const char *path, int mode, off_t offset, off_t length, struct fuse_file_info *fi) { int fd; int res; (void) fi; if (mode) return -EOPNOTSUPP; fd = open(path, O_WRONLY); if (fd == -1) return -errno; res = -posix_fallocate(fd, offset, length); close(fd); return res; } #endif #ifdef HAVE_SETXATTR /* xattr operations are optional and can safely be left unimplemented */ static int xmp_setxattr(const char *path, const char *name, const char *value, size_t size, int flags) { int res = lsetxattr(path, name, value, size, flags); if (res == -1) return -errno; return 0; } static int xmp_getxattr(const char *path, const char *name, char *value, size_t size) { int res = lgetxattr(path, name, value, size); if (res == -1) return -errno; return res; } static int xmp_listxattr(const char *path, char *list, size_t size) { int res = llistxattr(path, list, size); if (res == -1) return -errno; return res; } static int xmp_removexattr(const char *path, const char *name) { int res = lremovexattr(path, name); if (res == -1) return -errno; return 0; } #endif /* HAVE_SETXATTR */ static struct fuse_operations xmp_oper = { .getattr = xmp_getattr, .access = xmp_access, .readlink = xmp_readlink, .readdir = xmp_readdir, .mknod = xmp_mknod, .mkdir = xmp_mkdir, .symlink = xmp_symlink, .unlink = xmp_unlink, .rmdir = xmp_rmdir, .rename = xmp_rename, .link = xmp_link, .chmod = xmp_chmod, .chown = xmp_chown, .truncate = xmp_truncate, #ifdef HAVE_UTIMENSAT .utimens = xmp_utimens, #endif .open = xmp_open, .read = xmp_read, .write = xmp_write, .statfs = xmp_statfs, .release = xmp_release, .fsync = xmp_fsync, #ifdef HAVE_POSIX_FALLOCATE .fallocate = xmp_fallocate, #endif #ifdef HAVE_SETXATTR .setxattr = xmp_setxattr, .getxattr = xmp_getxattr, .listxattr = xmp_listxattr, .removexattr = xmp_removexattr, #endif }; int main(int argc, char *argv[]) { umask(0); return fuse_main(argc, argv, &xmp_oper, NULL); } fuse-2.9.7/example/null.c0000644000175000017500000000334212732044227012172 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall null.c `pkg-config fuse --cflags --libs` -o null */ #define FUSE_USE_VERSION 26 #include #include #include #include #include static int null_getattr(const char *path, struct stat *stbuf) { if(strcmp(path, "/") != 0) return -ENOENT; stbuf->st_mode = S_IFREG | 0644; stbuf->st_nlink = 1; stbuf->st_uid = getuid(); stbuf->st_gid = getgid(); stbuf->st_size = (1ULL << 32); /* 4G */ stbuf->st_blocks = 0; stbuf->st_atime = stbuf->st_mtime = stbuf->st_ctime = time(NULL); return 0; } static int null_truncate(const char *path, off_t size) { (void) size; if(strcmp(path, "/") != 0) return -ENOENT; return 0; } static int null_open(const char *path, struct fuse_file_info *fi) { (void) fi; if(strcmp(path, "/") != 0) return -ENOENT; return 0; } static int null_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { (void) buf; (void) offset; (void) fi; if(strcmp(path, "/") != 0) return -ENOENT; if (offset >= (1ULL << 32)) return 0; return size; } static int null_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { (void) buf; (void) offset; (void) fi; if(strcmp(path, "/") != 0) return -ENOENT; return size; } static struct fuse_operations null_oper = { .getattr = null_getattr, .truncate = null_truncate, .open = null_open, .read = null_read, .write = null_write, }; int main(int argc, char *argv[]) { return fuse_main(argc, argv, &null_oper, NULL); } fuse-2.9.7/example/fselclient.c0000644000175000017500000000251712732044227013353 00000000000000/* FUSE fselclient: FUSE select example client Copyright (C) 2008 SUSE Linux Products GmbH Copyright (C) 2008 Tejun Heo This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall fselclient.c -o fselclient */ #include #include #include #include #include #include #include #include #include #include #define FSEL_FILES 16 int main(void) { static const char hex_map[FSEL_FILES] = "0123456789ABCDEF"; int fds[FSEL_FILES]; int i, nfds; for (i = 0; i < FSEL_FILES; i++) { char name[] = { hex_map[i], '\0' }; fds[i] = open(name, O_RDONLY); if (fds[i] < 0) { perror("open"); return 1; } } nfds = fds[FSEL_FILES - 1] + 1; while (1) { static char buf[4096]; fd_set rfds; int rc; FD_ZERO(&rfds); for (i = 0; i < FSEL_FILES; i++) FD_SET(fds[i], &rfds); rc = select(nfds, &rfds, NULL, NULL, NULL); if (rc < 0) { perror("select"); return 1; } for (i = 0; i < FSEL_FILES; i++) { if (!FD_ISSET(fds[i], &rfds)) { printf("_: "); continue; } printf("%X:", i); rc = read(fds[i], buf, sizeof(buf)); if (rc < 0) { perror("read"); return 1; } printf("%02d ", rc); } printf("\n"); } } fuse-2.9.7/example/fioclient.c0000644000175000017500000000462612732044227013202 00000000000000/* FUSE fioclient: FUSE ioctl example client Copyright (C) 2008 SUSE Linux Products GmbH Copyright (C) 2008 Tejun Heo This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall fioclient.c -o fioclient */ #include #include #include #include #include #include #include #include #include "fioc.h" const char *usage = "Usage: fioclient FIOC_FILE COMMAND\n" "\n" "COMMANDS\n" " s [SIZE] : get size if SIZE is omitted, set size otherwise\n" " r SIZE [OFF] : read SIZE bytes @ OFF (dfl 0) and output to stdout\n" " w SIZE [OFF] : write SIZE bytes @ OFF (dfl 0) from stdin\n" "\n"; static int do_rw(int fd, int is_read, size_t size, off_t offset, size_t *prev_size, size_t *new_size) { struct fioc_rw_arg arg = { .offset = offset }; ssize_t ret; arg.buf = calloc(1, size); if (!arg.buf) { fprintf(stderr, "failed to allocated %zu bytes\n", size); return -1; } if (is_read) { arg.size = size; ret = ioctl(fd, FIOC_READ, &arg); if (ret >= 0) fwrite(arg.buf, 1, ret, stdout); } else { arg.size = fread(arg.buf, 1, size, stdin); fprintf(stderr, "Writing %zu bytes\n", arg.size); ret = ioctl(fd, FIOC_WRITE, &arg); } if (ret >= 0) { *prev_size = arg.prev_size; *new_size = arg.new_size; } else perror("ioctl"); free(arg.buf); return ret; } int main(int argc, char **argv) { size_t param[2] = { }; size_t size, prev_size = 0, new_size = 0; char cmd; int fd, i, rc; if (argc < 3) goto usage; fd = open(argv[1], O_RDWR); if (fd < 0) { perror("open"); return 1; } cmd = tolower(argv[2][0]); argc -= 3; argv += 3; for (i = 0; i < argc; i++) { char *endp; param[i] = strtoul(argv[i], &endp, 0); if (endp == argv[i] || *endp != '\0') goto usage; } switch (cmd) { case 's': if (!argc) { if (ioctl(fd, FIOC_GET_SIZE, &size)) { perror("ioctl"); return 1; } printf("%zu\n", size); } else { size = param[0]; if (ioctl(fd, FIOC_SET_SIZE, &size)) { perror("ioctl"); return 1; } } return 0; case 'r': case 'w': rc = do_rw(fd, cmd == 'r', param[0], param[1], &prev_size, &new_size); if (rc < 0) return 1; fprintf(stderr, "transferred %d bytes (%zu -> %zu)\n", rc, prev_size, new_size); return 0; } usage: fprintf(stderr, "%s", usage); return 1; } fuse-2.9.7/example/hello_ll.c0000644000175000017500000000770312732044227013017 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall hello_ll.c `pkg-config fuse --cflags --libs` -o hello_ll */ #define FUSE_USE_VERSION 26 #include #include #include #include #include #include #include #include static const char *hello_str = "Hello World!\n"; static const char *hello_name = "hello"; static int hello_stat(fuse_ino_t ino, struct stat *stbuf) { stbuf->st_ino = ino; switch (ino) { case 1: stbuf->st_mode = S_IFDIR | 0755; stbuf->st_nlink = 2; break; case 2: stbuf->st_mode = S_IFREG | 0444; stbuf->st_nlink = 1; stbuf->st_size = strlen(hello_str); break; default: return -1; } return 0; } static void hello_ll_getattr(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { struct stat stbuf; (void) fi; memset(&stbuf, 0, sizeof(stbuf)); if (hello_stat(ino, &stbuf) == -1) fuse_reply_err(req, ENOENT); else fuse_reply_attr(req, &stbuf, 1.0); } static void hello_ll_lookup(fuse_req_t req, fuse_ino_t parent, const char *name) { struct fuse_entry_param e; if (parent != 1 || strcmp(name, hello_name) != 0) fuse_reply_err(req, ENOENT); else { memset(&e, 0, sizeof(e)); e.ino = 2; e.attr_timeout = 1.0; e.entry_timeout = 1.0; hello_stat(e.ino, &e.attr); fuse_reply_entry(req, &e); } } struct dirbuf { char *p; size_t size; }; static void dirbuf_add(fuse_req_t req, struct dirbuf *b, const char *name, fuse_ino_t ino) { struct stat stbuf; size_t oldsize = b->size; b->size += fuse_add_direntry(req, NULL, 0, name, NULL, 0); b->p = (char *) realloc(b->p, b->size); memset(&stbuf, 0, sizeof(stbuf)); stbuf.st_ino = ino; fuse_add_direntry(req, b->p + oldsize, b->size - oldsize, name, &stbuf, b->size); } #define min(x, y) ((x) < (y) ? (x) : (y)) static int reply_buf_limited(fuse_req_t req, const char *buf, size_t bufsize, off_t off, size_t maxsize) { if (off < bufsize) return fuse_reply_buf(req, buf + off, min(bufsize - off, maxsize)); else return fuse_reply_buf(req, NULL, 0); } static void hello_ll_readdir(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi) { (void) fi; if (ino != 1) fuse_reply_err(req, ENOTDIR); else { struct dirbuf b; memset(&b, 0, sizeof(b)); dirbuf_add(req, &b, ".", 1); dirbuf_add(req, &b, "..", 1); dirbuf_add(req, &b, hello_name, 2); reply_buf_limited(req, b.p, b.size, off, size); free(b.p); } } static void hello_ll_open(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { if (ino != 2) fuse_reply_err(req, EISDIR); else if ((fi->flags & 3) != O_RDONLY) fuse_reply_err(req, EACCES); else fuse_reply_open(req, fi); } static void hello_ll_read(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi) { (void) fi; assert(ino == 2); reply_buf_limited(req, hello_str, strlen(hello_str), off, size); } static struct fuse_lowlevel_ops hello_ll_oper = { .lookup = hello_ll_lookup, .getattr = hello_ll_getattr, .readdir = hello_ll_readdir, .open = hello_ll_open, .read = hello_ll_read, }; int main(int argc, char *argv[]) { struct fuse_args args = FUSE_ARGS_INIT(argc, argv); struct fuse_chan *ch; char *mountpoint; int err = -1; if (fuse_parse_cmdline(&args, &mountpoint, NULL, NULL) != -1 && (ch = fuse_mount(mountpoint, &args)) != NULL) { struct fuse_session *se; se = fuse_lowlevel_new(&args, &hello_ll_oper, sizeof(hello_ll_oper), NULL); if (se != NULL) { if (fuse_set_signal_handlers(se) != -1) { fuse_session_add_chan(se, ch); err = fuse_session_loop(se); fuse_remove_signal_handlers(se); fuse_session_remove_chan(ch); } fuse_session_destroy(se); } fuse_unmount(mountpoint, ch); } fuse_opt_free_args(&args); return err ? 1 : 0; } fuse-2.9.7/example/cusexmp.c0000644000175000017500000001463712732044227012715 00000000000000/* CUSE example: Character device in Userspace Copyright (C) 2008-2009 SUSE Linux Products GmbH Copyright (C) 2008-2009 Tejun Heo This program can be distributed under the terms of the GNU GPL. See the file COPYING. gcc -Wall cusexmp.c `pkg-config fuse --cflags --libs` -o cusexmp */ #define FUSE_USE_VERSION 29 #include #include #include #include #include #include #include #include #include "fioc.h" static void *cusexmp_buf; static size_t cusexmp_size; static const char *usage = "usage: cusexmp [options]\n" "\n" "options:\n" " --help|-h print this help message\n" " --maj=MAJ|-M MAJ device major number\n" " --min=MIN|-m MIN device minor number\n" " --name=NAME|-n NAME device name (mandatory)\n" "\n"; static int cusexmp_resize(size_t new_size) { void *new_buf; if (new_size == cusexmp_size) return 0; new_buf = realloc(cusexmp_buf, new_size); if (!new_buf && new_size) return -ENOMEM; if (new_size > cusexmp_size) memset(new_buf + cusexmp_size, 0, new_size - cusexmp_size); cusexmp_buf = new_buf; cusexmp_size = new_size; return 0; } static int cusexmp_expand(size_t new_size) { if (new_size > cusexmp_size) return cusexmp_resize(new_size); return 0; } static void cusexmp_open(fuse_req_t req, struct fuse_file_info *fi) { fuse_reply_open(req, fi); } static void cusexmp_read(fuse_req_t req, size_t size, off_t off, struct fuse_file_info *fi) { (void)fi; if (off >= cusexmp_size) off = cusexmp_size; if (size > cusexmp_size - off) size = cusexmp_size - off; fuse_reply_buf(req, cusexmp_buf + off, size); } static void cusexmp_write(fuse_req_t req, const char *buf, size_t size, off_t off, struct fuse_file_info *fi) { (void)fi; if (cusexmp_expand(off + size)) { fuse_reply_err(req, ENOMEM); return; } memcpy(cusexmp_buf + off, buf, size); fuse_reply_write(req, size); } static void fioc_do_rw(fuse_req_t req, void *addr, const void *in_buf, size_t in_bufsz, size_t out_bufsz, int is_read) { const struct fioc_rw_arg *arg; struct iovec in_iov[2], out_iov[3], iov[3]; size_t cur_size; /* read in arg */ in_iov[0].iov_base = addr; in_iov[0].iov_len = sizeof(*arg); if (!in_bufsz) { fuse_reply_ioctl_retry(req, in_iov, 1, NULL, 0); return; } arg = in_buf; in_buf += sizeof(*arg); in_bufsz -= sizeof(*arg); /* prepare size outputs */ out_iov[0].iov_base = addr + (unsigned long)&(((struct fioc_rw_arg *)0)->prev_size); out_iov[0].iov_len = sizeof(arg->prev_size); out_iov[1].iov_base = addr + (unsigned long)&(((struct fioc_rw_arg *)0)->new_size); out_iov[1].iov_len = sizeof(arg->new_size); /* prepare client buf */ if (is_read) { out_iov[2].iov_base = arg->buf; out_iov[2].iov_len = arg->size; if (!out_bufsz) { fuse_reply_ioctl_retry(req, in_iov, 1, out_iov, 3); return; } } else { in_iov[1].iov_base = arg->buf; in_iov[1].iov_len = arg->size; if (arg->size && !in_bufsz) { fuse_reply_ioctl_retry(req, in_iov, 2, out_iov, 2); return; } } /* we're all set */ cur_size = cusexmp_size; iov[0].iov_base = &cur_size; iov[0].iov_len = sizeof(cur_size); iov[1].iov_base = &cusexmp_size; iov[1].iov_len = sizeof(cusexmp_size); if (is_read) { size_t off = arg->offset; size_t size = arg->size; if (off >= cusexmp_size) off = cusexmp_size; if (size > cusexmp_size - off) size = cusexmp_size - off; iov[2].iov_base = cusexmp_buf + off; iov[2].iov_len = size; fuse_reply_ioctl_iov(req, size, iov, 3); } else { if (cusexmp_expand(arg->offset + in_bufsz)) { fuse_reply_err(req, ENOMEM); return; } memcpy(cusexmp_buf + arg->offset, in_buf, in_bufsz); fuse_reply_ioctl_iov(req, in_bufsz, iov, 2); } } static void cusexmp_ioctl(fuse_req_t req, int cmd, void *arg, struct fuse_file_info *fi, unsigned flags, const void *in_buf, size_t in_bufsz, size_t out_bufsz) { int is_read = 0; (void)fi; if (flags & FUSE_IOCTL_COMPAT) { fuse_reply_err(req, ENOSYS); return; } switch (cmd) { case FIOC_GET_SIZE: if (!out_bufsz) { struct iovec iov = { arg, sizeof(size_t) }; fuse_reply_ioctl_retry(req, NULL, 0, &iov, 1); } else fuse_reply_ioctl(req, 0, &cusexmp_size, sizeof(cusexmp_size)); break; case FIOC_SET_SIZE: if (!in_bufsz) { struct iovec iov = { arg, sizeof(size_t) }; fuse_reply_ioctl_retry(req, &iov, 1, NULL, 0); } else { cusexmp_resize(*(size_t *)in_buf); fuse_reply_ioctl(req, 0, NULL, 0); } break; case FIOC_READ: is_read = 1; case FIOC_WRITE: fioc_do_rw(req, arg, in_buf, in_bufsz, out_bufsz, is_read); break; default: fuse_reply_err(req, EINVAL); } } struct cusexmp_param { unsigned major; unsigned minor; char *dev_name; int is_help; }; #define CUSEXMP_OPT(t, p) { t, offsetof(struct cusexmp_param, p), 1 } static const struct fuse_opt cusexmp_opts[] = { CUSEXMP_OPT("-M %u", major), CUSEXMP_OPT("--maj=%u", major), CUSEXMP_OPT("-m %u", minor), CUSEXMP_OPT("--min=%u", minor), CUSEXMP_OPT("-n %s", dev_name), CUSEXMP_OPT("--name=%s", dev_name), FUSE_OPT_KEY("-h", 0), FUSE_OPT_KEY("--help", 0), FUSE_OPT_END }; static int cusexmp_process_arg(void *data, const char *arg, int key, struct fuse_args *outargs) { struct cusexmp_param *param = data; (void)outargs; (void)arg; switch (key) { case 0: param->is_help = 1; fprintf(stderr, "%s", usage); return fuse_opt_add_arg(outargs, "-ho"); default: return 1; } } static const struct cuse_lowlevel_ops cusexmp_clop = { .open = cusexmp_open, .read = cusexmp_read, .write = cusexmp_write, .ioctl = cusexmp_ioctl, }; int main(int argc, char **argv) { struct fuse_args args = FUSE_ARGS_INIT(argc, argv); struct cusexmp_param param = { 0, 0, NULL, 0 }; char dev_name[128] = "DEVNAME="; const char *dev_info_argv[] = { dev_name }; struct cuse_info ci; if (fuse_opt_parse(&args, ¶m, cusexmp_opts, cusexmp_process_arg)) { printf("failed to parse option\n"); return 1; } if (!param.is_help) { if (!param.dev_name) { fprintf(stderr, "Error: device name missing\n"); return 1; } strncat(dev_name, param.dev_name, sizeof(dev_name) - 9); } memset(&ci, 0, sizeof(ci)); ci.dev_major = param.major; ci.dev_minor = param.minor; ci.dev_info_argc = 1; ci.dev_info_argv = dev_info_argv; ci.flags = CUSE_UNRESTRICTED_IOCTL; return cuse_lowlevel_main(args.argc, args.argv, &ci, &cusexmp_clop, NULL); } fuse-2.9.7/config.rpath0000755000175000017500000004421612732044616011740 00000000000000#! /bin/sh # Output a system dependent set of variables, describing how to set the # run time search path of shared libraries in an executable. # # Copyright 1996-2014 Free Software Foundation, Inc. # Taken from GNU libtool, 2001 # Originally by Gordon Matzigkeit , 1996 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # The first argument passed to this file is the canonical host specification, # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld # should be set by the caller. # # The set of defined variables is at the end of this script. # Known limitations: # - On IRIX 6.5 with CC="cc", the run time search patch must not be longer # than 256 bytes, otherwise the compiler driver will dump core. The only # known workaround is to choose shorter directory names for the build # directory and/or the installation directory. # All known linkers require a '.a' archive for static linking (except MSVC, # which needs '.lib'). libext=a shrext=.so host="$1" host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` # Code taken from libtool.m4's _LT_CC_BASENAME. for cc_temp in $CC""; do case $cc_temp in compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; \-*) ;; *) break;; esac done cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'` # Code taken from libtool.m4's _LT_COMPILER_PIC. wl= if test "$GCC" = yes; then wl='-Wl,' else case "$host_os" in aix*) wl='-Wl,' ;; mingw* | cygwin* | pw32* | os2* | cegcc*) ;; hpux9* | hpux10* | hpux11*) wl='-Wl,' ;; irix5* | irix6* | nonstopux*) wl='-Wl,' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu) case $cc_basename in ecc*) wl='-Wl,' ;; icc* | ifort*) wl='-Wl,' ;; lf95*) wl='-Wl,' ;; nagfor*) wl='-Wl,-Wl,,' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) wl='-Wl,' ;; ccc*) wl='-Wl,' ;; xl* | bgxl* | bgf* | mpixl*) wl='-Wl,' ;; como) wl='-lopt=' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ F* | *Sun*Fortran*) wl= ;; *Sun\ C*) wl='-Wl,' ;; esac ;; esac ;; newsos6) ;; *nto* | *qnx*) ;; osf3* | osf4* | osf5*) wl='-Wl,' ;; rdos*) ;; solaris*) case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) wl='-Qoption ld ' ;; *) wl='-Wl,' ;; esac ;; sunos4*) wl='-Qoption ld ' ;; sysv4 | sysv4.2uw2* | sysv4.3*) wl='-Wl,' ;; sysv4*MP*) ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) wl='-Wl,' ;; unicos*) wl='-Wl,' ;; uts4*) ;; esac fi # Code taken from libtool.m4's _LT_LINKER_SHLIBS. hardcode_libdir_flag_spec= hardcode_libdir_separator= hardcode_direct=no hardcode_minus_L=no case "$host_os" in cygwin* | mingw* | pw32* | cegcc*) # FIXME: the MSVC++ port hasn't been tested in a loooong time # When not using gcc, we currently assume that we are using # Microsoft Visual C++. if test "$GCC" != yes; then with_gnu_ld=no fi ;; interix*) # we just hope/assume this is gcc and not c89 (= MSVC++) with_gnu_ld=yes ;; openbsd*) with_gnu_ld=no ;; esac ld_shlibs=yes if test "$with_gnu_ld" = yes; then # Set some defaults for GNU ld with shared library support. 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If bindir is libdir, return empty string, # else relative path ending with a slash; either way, target # file name can be directly appended. if test ! -z "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result/" func_relative_path_result=$func_stripname_result fi } # The name of this program: func_dirname_and_basename "$progpath" progname=$func_basename_result # Make sure we have an absolute path for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=$func_dirname_result progdir=`cd "$progdir" && pwd` progpath="$progdir/$progname" ;; *) save_IFS="$IFS" IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS="$save_IFS" test -x "$progdir/$progname" && break done IFS="$save_IFS" test -n "$progdir" || progdir=`pwd` progpath="$progdir/$progname" ;; esac # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed="${SED}"' -e 1s/^X//' sed_quote_subst='s/\([`"$\\]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' # Sed substitution that converts a w32 file name or path # which contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-`\' parameter expansions in output of double_quote_subst that were # `\'-ed in input to the same. If an odd number of `\' preceded a '$' # in input to double_quote_subst, that '$' was protected from expansion. # Since each input `\' is now two `\'s, look for any number of runs of # four `\'s followed by two `\'s and then a '$'. `\' that '$'. bs='\\' bs2='\\\\' bs4='\\\\\\\\' dollar='\$' sed_double_backslash="\ s/$bs4/&\\ /g s/^$bs2$dollar/$bs&/ s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g s/\n//g" # Standard options: opt_dry_run=false opt_help=false opt_quiet=false opt_verbose=false opt_warning=: # func_echo arg... # Echo program name prefixed message, along with the current mode # name if it has been set yet. func_echo () { $ECHO "$progname: ${opt_mode+$opt_mode: }$*" } # func_verbose arg... # Echo program name prefixed message in verbose mode only. func_verbose () { $opt_verbose && func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_echo_all arg... # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_error arg... # Echo program name prefixed message to standard error. func_error () { $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 } # func_warning arg... # Echo program name prefixed warning message to standard error. func_warning () { $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 # bash bug again: : } # func_fatal_error arg... # Echo program name prefixed message to standard error, and exit. func_fatal_error () { func_error ${1+"$@"} exit $EXIT_FAILURE } # func_fatal_help arg... # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { func_error ${1+"$@"} func_fatal_error "$help" } help="Try \`$progname --help' for more information." ## default # func_grep expression filename # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $GREP "$1" "$2" >/dev/null 2>&1 } # func_mkdir_p directory-path # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { my_directory_path="$1" my_dir_list= if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then # Protect directory names starting with `-' case $my_directory_path in -*) my_directory_path="./$my_directory_path" ;; esac # While some portion of DIR does not yet exist... while test ! -d "$my_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. my_dir_list="$my_directory_path:$my_dir_list" # If the last portion added has no slash in it, the list is done case $my_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` done my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` save_mkdir_p_IFS="$IFS"; IFS=':' for my_dir in $my_dir_list; do IFS="$save_mkdir_p_IFS" # mkdir can fail with a `File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$my_dir" 2>/dev/null || : done IFS="$save_mkdir_p_IFS" # Bail out if we (or some other process) failed to create a directory. test -d "$my_directory_path" || \ func_fatal_error "Failed to create \`$1'" fi } # func_mktempdir [string] # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, STRING is the basename for that directory. func_mktempdir () { my_template="${TMPDIR-/tmp}/${1-$progname}" if test "$opt_dry_run" = ":"; then # Return a directory name, but don't create it in dry-run mode my_tmpdir="${my_template}-$$" else # If mktemp works, use that first and foremost my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` if test ! -d "$my_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race my_tmpdir="${my_template}-${RANDOM-0}$$" save_mktempdir_umask=`umask` umask 0077 $MKDIR "$my_tmpdir" umask $save_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$my_tmpdir" || \ func_fatal_error "cannot create temporary directory \`$my_tmpdir'" fi $ECHO "$my_tmpdir" } # func_quote_for_eval arg # Aesthetically quote ARG to be evaled later. # This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT # is double-quoted, suitable for a subsequent eval, whereas # FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters # which are still active within double quotes backslashified. func_quote_for_eval () { case $1 in *[\\\`\"\$]*) func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; *) func_quote_for_eval_unquoted_result="$1" ;; esac case $func_quote_for_eval_unquoted_result in # Double-quote args containing shell metacharacters to delay # word splitting, command substitution and and variable # expansion for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" ;; *) func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" esac } # func_quote_for_expand arg # Aesthetically quote ARG to be evaled later; same as above, # but do not quote variable references. func_quote_for_expand () { case $1 in *[\\\`\"]*) my_arg=`$ECHO "$1" | $SED \ -e "$double_quote_subst" -e "$sed_double_backslash"` ;; *) my_arg="$1" ;; esac case $my_arg in # Double-quote args containing shell metacharacters to delay # word splitting and command substitution for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") my_arg="\"$my_arg\"" ;; esac func_quote_for_expand_result="$my_arg" } # func_show_eval cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$my_cmd" my_status=$? if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_show_eval_locale cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$lt_user_locale $my_cmd" my_status=$? eval "$lt_safe_locale" if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_tr_sh # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_version # Echo version message to standard output and exit. func_version () { $opt_debug $SED -n '/(C)/!b go :more /\./!{ N s/\n# / / b more } :go /^# '$PROGRAM' (GNU /,/# warranty; / { s/^# // s/^# *$// s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ p }' < "$progpath" exit $? } # func_usage # Echo short help message to standard output and exit. func_usage () { $opt_debug $SED -n '/^# Usage:/,/^# *.*--help/ { s/^# // s/^# *$// s/\$progname/'$progname'/ p }' < "$progpath" echo $ECHO "run \`$progname --help | more' for full usage" exit $? } # func_help [NOEXIT] # Echo long help message to standard output and exit, # unless 'noexit' is passed as argument. func_help () { $opt_debug $SED -n '/^# Usage:/,/# Report bugs to/ { :print s/^# // s/^# *$// s*\$progname*'$progname'* s*\$host*'"$host"'* s*\$SHELL*'"$SHELL"'* s*\$LTCC*'"$LTCC"'* s*\$LTCFLAGS*'"$LTCFLAGS"'* s*\$LD*'"$LD"'* s/\$with_gnu_ld/'"$with_gnu_ld"'/ s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/ s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/ p d } /^# .* home page:/b print /^# General help using/b print ' < "$progpath" ret=$? if test -z "$1"; then exit $ret fi } # func_missing_arg argname # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $opt_debug func_error "missing argument for $1." exit_cmd=exit } # func_split_short_opt shortopt # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. func_split_short_opt () { my_sed_short_opt='1s/^\(..\).*$/\1/;q' my_sed_short_rest='1s/^..\(.*\)$/\1/;q' func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` } # func_split_short_opt may be replaced by extended shell implementation # func_split_long_opt longopt # Set func_split_long_opt_name and func_split_long_opt_arg shell # variables after splitting LONGOPT at the `=' sign. func_split_long_opt () { my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' my_sed_long_arg='1s/^--[^=]*=//' func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` } # func_split_long_opt may be replaced by extended shell implementation exit_cmd=: magic="%%%MAGIC variable%%%" magic_exe="%%%MAGIC EXE variable%%%" # Global variables. nonopt= preserve_args= lo2o="s/\\.lo\$/.${objext}/" o2lo="s/\\.${objext}\$/.lo/" extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # func_append var value # Append VALUE to the end of shell variable VAR. func_append () { eval "${1}=\$${1}\${2}" } # func_append may be replaced by extended shell implementation # func_append_quoted var value # Quote VALUE and append to the end of shell variable VAR, separated # by a space. func_append_quoted () { func_quote_for_eval "${2}" eval "${1}=\$${1}\\ \$func_quote_for_eval_result" } # func_append_quoted may be replaced by extended shell implementation # func_arith arithmetic-term... func_arith () { func_arith_result=`expr "${@}"` } # func_arith may be replaced by extended shell implementation # func_len string # STRING may not start with a hyphen. func_len () { func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` } # func_len may be replaced by extended shell implementation # func_lo2o object func_lo2o () { func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` } # func_lo2o may be replaced by extended shell implementation # func_xform libobj-or-source func_xform () { func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` } # func_xform may be replaced by extended shell implementation # func_fatal_configuration arg... # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_error ${1+"$@"} func_error "See the $PACKAGE documentation for more information." func_fatal_error "Fatal configuration error." } # func_config # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # Display the features supported by this script. func_features () { echo "host: $host" if test "$build_libtool_libs" = yes; then echo "enable shared libraries" else echo "disable shared libraries" fi if test "$build_old_libs" = yes; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag tagname # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname="$1" re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf="/$re_begincf/,/$re_endcf/p" # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; esac # Option defaults: opt_debug=: opt_dry_run=false opt_config=false opt_preserve_dup_deps=false opt_features=false opt_finish=false opt_help=false opt_help_all=false opt_silent=: opt_warning=: opt_verbose=: opt_silent=false opt_verbose=false # Parse options once, thoroughly. This comes as soon as possible in the # script to make things like `--version' happen as quickly as we can. { # this just eases exit handling while test $# -gt 0; do opt="$1" shift case $opt in --debug|-x) opt_debug='set -x' func_echo "enabling shell trace mode" $opt_debug ;; --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) opt_config=: func_config ;; --dlopen|-dlopen) optarg="$1" opt_dlopen="${opt_dlopen+$opt_dlopen }$optarg" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) opt_features=: func_features ;; --finish) opt_finish=: set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help_all=: opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_mode="$optarg" case $optarg in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_silent=false func_append preserve_args " $opt" ;; --no-warning|--no-warn) opt_warning=false func_append preserve_args " $opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $opt" ;; --silent|--quiet) opt_silent=: func_append preserve_args " $opt" opt_verbose=false ;; --verbose|-v) opt_verbose=: func_append preserve_args " $opt" opt_silent=false ;; --tag) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_tag="$optarg" func_append preserve_args " $opt $optarg" func_enable_tag "$optarg" shift ;; -\?|-h) func_usage ;; --help) func_help ;; --version) func_version ;; # Separate optargs to long options: --*=*) func_split_long_opt "$opt" set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-n*|-v*) func_split_short_opt "$opt" set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) break ;; -*) func_fatal_help "unrecognized option \`$opt'" ;; *) set dummy "$opt" ${1+"$@"}; shift; break ;; esac done # Validate options: # save first non-option argument if test "$#" -gt 0; then nonopt="$opt" shift fi # preserve --debug test "$opt_debug" = : || func_append preserve_args " --debug" case $host in *cygwin* | *mingw* | *pw32* | *cegcc*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then func_fatal_configuration "not configured to build any kind of library" fi # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test "$opt_mode" != execute; then func_error "unrecognized option \`-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help="$help" help="Try \`$progname --help --mode=$opt_mode' for more information." } # Bail if the options were screwed $exit_cmd $EXIT_FAILURE } ## ----------- ## ## Main. ## ## ----------- ## # func_lalib_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null \ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_unsafe_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if `file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case "$lalib_p_line" in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test "$lalib_p" = yes } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { func_lalib_p "$1" } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $opt_debug save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$save_ifs eval cmd=\"$cmd\" func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # `FILE.' does not work on cygwin managed mounts. func_source () { $opt_debug case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case "$lt_sysroot:$1" in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result="=$func_stripname_result" ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $opt_debug if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with \`--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=${1} if test "$build_libtool_libs" = yes; then write_lobj=\'${2}\' else write_lobj=none fi if test "$build_old_libs" = yes; then write_oldobj=\'${3}\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$lt_sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $opt_debug # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result="" if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result" ; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $opt_debug if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $opt_debug # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $opt_debug if test -z "$2" && test -n "$1" ; then func_error "Could not determine host file name corresponding to" func_error " \`$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result="$1" fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $opt_debug if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " \`$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result="$3" fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $opt_debug case $4 in $1 ) func_to_host_path_result="$3$func_to_host_path_result" ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via `$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $opt_debug $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $opt_debug case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result="$1" } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result="$func_convert_core_msys_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via `$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $opt_debug if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd="func_convert_path_${func_stripname_result}" fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $opt_debug func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result="$1" } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_msys_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_mode_compile arg... func_mode_compile () { $opt_debug # Get the compilation command and the source file. base_compile= srcfile="$nonopt" # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg="$arg" arg_mode=normal ;; target ) libobj="$arg" arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify \`-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs="$IFS"; IFS=',' for arg in $args; do IFS="$save_ifs" func_append_quoted lastarg "$arg" done IFS="$save_ifs" func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg="$srcfile" srcfile="$arg" ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with \`-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj="$func_basename_result" } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from \`$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_for_eval "$libobj" test "X$libobj" != "X$func_quote_for_eval_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name \`$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname="$func_basename_result" xdir="$func_dirname_result" lobj=${xdir}$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test "$build_old_libs" = yes; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test "$compiler_c_o" = no; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} lockfile="$output_obj.lock" else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test "$need_locks" = yes; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test "$need_locks" = warn; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test "$build_libtool_libs" = yes; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test "$pic_mode" != no; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test "$suppress_opt" = yes; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test "$build_old_libs" = yes; then if test "$pic_mode" != yes; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test "$compiler_c_o" = yes; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test "$need_locks" != no; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test "$opt_mode" = compile && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a \`.o' file suitable for static linking -static only build a \`.o' file suitable for static linking -Wc,FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a \`standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix \`.c' with the library object suffix, \`.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to \`-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the \`--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the \`install' or \`cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE Use a list of object files found in FILE to specify objects -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with \`-') are ignored. Every other argument is treated as a filename. Files ending in \`.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in \`.la', then a libtool library is created, only library objects (\`.lo' files) may be specified, and \`-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created using \`ar' and \`ranlib', or on Windows using \`lib'. If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode \`$opt_mode'" ;; esac echo $ECHO "Try \`$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test "$opt_help" = :; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | sed -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | sed '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $opt_debug # The first argument is the command name. cmd="$nonopt" test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "\`$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "\`$file' was not linked with \`-export-dynamic'" continue fi func_dirname "$file" "" "." dir="$func_dirname_result" if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir="$func_dirname_result" ;; *) func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir="$absdir" # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic="$magic" # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file="$progdir/$program" elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file="$progdir/$program" fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if test "X$opt_dry_run" = Xfalse; then if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd="\$cmd$args" else # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS fi } test "$opt_mode" = execute && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $opt_debug libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "\`$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument \`$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and \`=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_silent && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the \`-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the \`$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the \`$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the \`$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test "$opt_mode" = finish && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $opt_debug # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac; then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" func_append install_prog "$func_quote_for_eval_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=no stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=yes ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test "x$prev" = x-m && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" func_append install_prog " $func_quote_for_eval_result" if test -n "$arg2"; then func_quote_for_eval "$arg2" fi func_append install_shared_prog " $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the \`$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_for_eval "$install_override_mode" func_append install_shared_prog " -m $func_quote_for_eval_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=yes if test "$isdir" = yes; then destdir="$dest" destname= else func_dirname_and_basename "$dest" "" "." destdir="$func_dirname_result" destname="$func_basename_result" # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "\`$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "\`$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic="$magic" staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir="$func_dirname_result" func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking \`$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname="$1" shift srcname="$realname" test -n "$relink_command" && srcname="$realname"T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme="$stripme" case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme="" ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try `ln -sf' first, because the `ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib="$destdir/$realname" func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name="$func_basename_result" instname="$dir/$name"i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest="$destfile" destfile= ;; *) func_fatal_help "cannot copy a libtool object to \`$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test "$build_old_libs" = yes; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext="" case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=".exe" fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script \`$wrapper'" finalize=yes for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test if test -n "$libdir" && test ! -f "$libfile"; then func_warning "\`$lib' has not been installed in \`$libdir'" finalize=no fi done relink_command= func_source "$wrapper" outputname= if test "$fast_install" = no && test -n "$relink_command"; then $opt_dry_run || { if test "$finalize" = yes; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file="$func_basename_result" outputname="$tmpdir/$file" # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_silent || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink \`$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file="$outputname" else func_warning "cannot relink \`$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name="$func_basename_result" # Set up the ranlib parameters. oldlib="$destdir/$name" func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run \`$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test "$opt_mode" = install && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $opt_debug my_outputname="$1" my_originator="$2" my_pic_p="${3-no}" my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms="${my_outputname}S.c" else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist="$output_objdir/${my_outputname}.nm" func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif /* External symbol declarations for the compiler. */\ " if test "$dlself" = yes; then func_verbose "generating symbol list for \`$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols="$output_objdir/$outputname.exp" $opt_dry_run || { $RM $export_symbols eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from \`$dlprefile'" func_basename "$dlprefile" name="$func_basename_result" case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename="" if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname" ; then func_basename "$dlprefile_dlname" dlprefile_dlbasename="$func_basename_result" else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename" ; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[]; LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = {\ { \"$my_originator\", (void *) 0 }," case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) if test "X$my_pic_p" != Xno; then pic_flag_for_symtable=" $pic_flag" fi ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' # Transform the symbol file into the correct name. symfileobj="$output_objdir/${my_outputname}S.$objext" case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for \`$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $opt_debug win32_libid_type="unknown" win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s,.*,import, p q } }'` case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $opt_debug sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $opt_debug match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive which possess that section. Heuristic: eliminate # all those which have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $opt_debug if func_cygming_gnu_implib_p "$1" ; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1" ; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result="" fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $opt_debug f_ex_an_ar_dir="$1"; shift f_ex_an_ar_oldlib="$1" if test "$lock_old_archive_extraction" = yes; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test "$lock_old_archive_extraction" = yes; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $opt_debug my_gentop="$1"; shift my_oldlibs=${1+"$@"} my_oldobjs="" my_xlib="" my_xabs="" my_xdir="" for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib="$func_basename_result" my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir="$my_gentop/$my_xlib_u" func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` darwin_base_archive=`basename "$darwin_archive"` darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches ; do func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" func_extract_an_archive "`pwd`" "${darwin_base_archive}" cd "$darwin_curdir" $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result="$my_oldobjs" } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory in which it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=\"$qECHO\" fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ which is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options which match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test "$fast_install" = yes; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else $ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include /* declarations of non-ANSI functions */ #if defined(__MINGW32__) # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined(__CYGWIN__) # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined (other platforms) ... */ #endif /* portability defines, excluding path handling macros */ #if defined(_MSC_VER) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC # ifndef _INTPTR_T_DEFINED # define _INTPTR_T_DEFINED # define intptr_t int # endif #elif defined(__MINGW32__) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined(__CYGWIN__) # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined (other platforms) ... */ #endif #if defined(PATH_MAX) # define LT_PATHMAX PATH_MAX #elif defined(MAXPATHLEN) # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ defined (__OS2__) # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free ((void *) stale); stale = 0; } \ } while (0) #if defined(LT_DEBUGWRAPPER) static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; int tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined (HAVE_DOS_BASED_FILE_SYSTEM) if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined (HAVE_DOS_BASED_FILE_SYSTEM) } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = q - p; p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (strcmp (str, pat) == 0) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else int len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { int orig_value_len = strlen (orig_value); int add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ int len = strlen (new_value); while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[len-1] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $opt_debug case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_mode_link arg... func_mode_link () { $opt_debug case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # which system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll which has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=no prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module="${wl}-single_module" func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg="$1" shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir="$arg" prev= continue ;; dlfiles|dlprefiles) if test "$preload" = no; then # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=yes fi case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test "$dlself" = no; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test "$prev" = dlprefiles; then dlself=yes elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test "$prev" = dlfiles; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols="$arg" test -f "$arg" \ || func_fatal_error "symbol file \`$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex="$arg" prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir="$arg" prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file \`$arg' does not exist" fi arg=$save_arg prev= continue ;; precious_regex) precious_files_regex="$arg" prev= continue ;; release) release="-$arg" prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test "$prev" = rpath; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds="$arg" prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg="$arg" case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "\`-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test "X$arg" = "X-export-symbols"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between \`-L' and \`$1'" else func_fatal_error "need path for \`-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of \`$dir'" dir="$absdir" ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test "X$arg" = "X-lc" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. test "X$arg" = "X-lc" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test "X$arg" = "X-lc" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test "X$arg" = "X-lc" && continue ;; esac elif test "X$arg" = "X-lc_r"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module="${wl}-multi_module" continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "\`-no-install' is ignored for $host" func_warning "assuming \`-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $func_quote_for_eval_result" func_append compiler_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $wl$func_quote_for_eval_result" func_append compiler_flags " $wl$func_quote_for_eval_result" func_append linker_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-flto*|-fwhopr*|-fuse-linker-plugin) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test "$prev" = dlfiles; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test "$prev" = dlprefiles; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the \`$prevarg' option requires an argument" if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname="$func_basename_result" libobjs_save="$libobjs" if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" func_dirname "$output" "/" "" output_objdir="$func_dirname_result$objdir" func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps ; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test "$linkmode" = lib; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=no newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test "$linkmode,$pass" = "lib,link"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs="$tmp_deplibs" fi if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan"; then libs="$deplibs" deplibs= fi if test "$linkmode" = prog; then case $pass in dlopen) libs="$dlfiles" ;; dlpreopen) libs="$dlprefiles" ;; link) libs="$deplibs %DEPLIBS%" test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" ;; esac fi if test "$linkmode,$pass" = "lib,dlpreopen"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs="$dlprefiles" fi if test "$pass" = dlopen; then # Collect dlpreopened libraries save_deplibs="$deplibs" deplibs= fi for deplib in $libs; do lib= found=no case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test "$linkmode" != lib && test "$linkmode" != prog; then func_warning "\`-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test "$linkmode" = lib; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib="$searchdir/lib${name}${search_ext}" if test -f "$lib"; then if test "$search_ext" = ".la"; then found=yes else found=no fi break 2 fi done done if test "$found" != yes; then # deplib doesn't seem to be a libtool library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue else # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll="$l" done if test "X$ll" = "X$old_library" ; then # only static version available found=no func_dirname "$lib" "" "." ladir="$func_dirname_result" lib=$ladir/$old_library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi fi ;; # -l *.ltframework) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test "$pass" = conv && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi if test "$pass" = scan; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "\`-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test "$pass" = link; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=no case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=yes fi ;; pass_all) valid_a_lib=yes ;; esac if test "$valid_a_lib" != yes; then echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." else echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" fi ;; esac continue ;; prog) if test "$pass" != link; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test "$pass" = conv; then deplibs="$deplib $deplibs" elif test "$linkmode" = prog; then if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=yes continue ;; esac # case $deplib if test "$found" = yes || test -f "$lib"; then : else func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" fi # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "\`$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir="$func_dirname_result" dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan" || { test "$linkmode" != prog && test "$linkmode" != lib; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test "$pass" = conv; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done elif test "$linkmode" != prog && test "$linkmode" != lib; then func_fatal_error "\`$lib' is not a convenience library" fi continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test "$prefer_static_libs" = yes || test "$prefer_static_libs,$installed" = "built,no"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib="$l" done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # This library was specified with -dlopen. if test "$pass" = dlopen; then if test -z "$libdir"; then func_fatal_error "cannot -dlopen a convenience library: \`$lib'" fi if test -z "$dlname" || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of \`$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir="$ladir" fi ;; esac func_basename "$lib" laname="$func_basename_result" # Find the relevant object directory and library name. if test "X$installed" = Xyes; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library \`$lib' was moved." dir="$ladir" absdir="$abs_ladir" libdir="$abs_ladir" else dir="$lt_sysroot$libdir" absdir="$lt_sysroot$libdir" fi test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir="$ladir" absdir="$abs_ladir" # Remove this search path later func_append notinst_path " $abs_ladir" else dir="$ladir/$objdir" absdir="$abs_ladir/$objdir" # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test "$pass" = dlpreopen; then if test -z "$libdir" && test "$linkmode" = prog; then func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" fi case "$host" in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test "$linkmode" = lib; then deplibs="$dir/$old_library $deplibs" elif test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test "$linkmode" = prog && test "$pass" != link; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=no if test "$link_all_deplibs" != no || test -z "$library_names" || test "$build_libtool_libs" = no; then linkalldeplibs=yes fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if test "$linkalldeplibs" = yes; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test "$linkmode,$pass" = "prog,link"; then if test -n "$library_names" && { { test "$prefer_static_libs" = no || test "$prefer_static_libs,$installed" = "built,yes"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then # Make sure the rpath contains only unique directories. case "$temp_rpath:" in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test "$use_static_libs" = built && test "$installed" = yes; then use_static_libs=no fi if test -n "$library_names" && { test "$use_static_libs" = no || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test "$installed" = no; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule="" for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule="$dlpremoduletest" break fi done if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then echo if test "$linkmode" = prog; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test "$linkmode" = lib && test "$hardcode_into_libs" = yes; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname="$1" shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname="$dlname" elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc*) func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; esac eval soname=\"$soname_spec\" else soname="$realname" fi # Make a new name for the extract_expsyms_cmds to use soroot="$soname" func_basename "$soroot" soname="$func_basename_result" func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from \`$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for \`$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test "$linkmode" = prog || test "$opt_mode" != relink; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test "$hardcode_direct" = no; then add="$dir/$linklib" case $host in *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; *-*-sysv4*uw2*) add_dir="-L$dir" ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir="-L$dir" ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we can not # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null ; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library" ; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add="$dir/$old_library" fi elif test -n "$old_library"; then add="$dir/$old_library" fi fi esac elif test "$hardcode_minus_L" = no; then case $host in *-*-sunos*) add_shlibpath="$dir" ;; esac add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = no; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; relink) if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$dir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$absdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; *) lib_linked=no ;; esac if test "$lib_linked" != yes; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test "$linkmode" = prog; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test "$hardcode_direct" != yes && test "$hardcode_minus_L" != yes && test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test "$linkmode" = prog || test "$opt_mode" = relink; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$libdir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$libdir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add="-l$name" elif test "$hardcode_automatic" = yes; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib" ; then add="$inst_prefix_dir$libdir/$linklib" else add="$libdir/$linklib" fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir="-L$libdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" fi if test "$linkmode" = prog; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test "$linkmode" = prog; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test "$hardcode_direct" != unsupported; then test -n "$old_library" && linklib="$old_library" compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test "$build_libtool_libs" = yes; then # Not a shared library if test "$deplibs_check_method" != pass_all; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system can not link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test "$module" = yes; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test "$linkmode" = lib; then if test -n "$dependency_libs" && { test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes || test "$link_static" = yes; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs="$temp_deplibs" fi func_append newlib_search_path " $absdir" # Link against this library test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test "$link_all_deplibs" != no; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path="$deplib" ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of \`$dir'" absdir="$dir" fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names" ; then for tmp in $deplibrary_names ; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl" ; then depdepl="$absdir/$objdir/$depdepl" darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" path= fi fi ;; *) path="-L$absdir/$objdir" ;; esac else eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "\`$deplib' seems to be moved" path="-L$absdir" fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test "$pass" = link; then if test "$linkmode" = "prog"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs="$newdependency_libs" if test "$pass" = dlpreopen; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test "$pass" != dlopen; then if test "$pass" != conv; then # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= fi if test "$linkmode,$pass" != "prog,link"; then vars="deplibs" else vars="compile_deplibs finalize_deplibs" fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs ; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i="" ;; esac if test -n "$i" ; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test "$linkmode" = prog; then dlfiles="$newdlfiles" fi if test "$linkmode" = prog || test "$linkmode" = lib; then dlprefiles="$newdlprefiles" fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "\`-R' is ignored for archives" test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "\`-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "\`-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs="$output" func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form `libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test "$module" = no && \ func_fatal_help "libtool library \`$output' must begin with \`lib'" if test "$need_lib_prefix" != no; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test "$deplibs_check_method" != pass_all; then func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test "$dlself" != no && \ func_warning "\`-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test "$#" -gt 1 && \ func_warning "ignoring multiple \`-rpath's for a libtool library" install_libdir="$1" oldlibs= if test -z "$rpath"; then if test "$build_libtool_libs" = yes; then # Building a libtool convenience library. # Some compilers have problems with a `.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "\`-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs="$IFS"; IFS=':' set dummy $vinfo 0 0 0 shift IFS="$save_ifs" test -n "$7" && \ func_fatal_help "too many parameters to \`-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major="$1" number_minor="$2" number_revision="$3" # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # which has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_revision" ;; freebsd-aout|freebsd-elf|qnx|sunos) current="$number_major" revision="$number_minor" age="0" ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_minor" lt_irix_increment=no ;; *) func_fatal_configuration "$modename: unknown library version type \`$version_type'" ;; esac ;; no) current="$1" revision="$2" age="$3" ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT \`$current' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION \`$revision' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE \`$age' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE \`$age' is greater than the current interface number \`$current'" func_fatal_error "\`$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; freebsd-aout) major=".$current" versuffix=".$current.$revision"; ;; freebsd-elf) major=".$current" versuffix=".$current" ;; irix | nonstopux) if test "X$lt_irix_increment" = "Xno"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring="$verstring_prefix$major.$revision" # Add in all the interfaces that we are compatible with. loop=$revision while test "$loop" -ne 0; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring_prefix$major.$iface:$verstring" done # Before this point, $major must not contain `.'. major=.$major versuffix="$major.$revision" ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=".$current.$age.$revision" verstring="$current.$age.$revision" # Add in all the interfaces that we are compatible with. loop=$age while test "$loop" -ne 0; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring:${iface}.0" done # Make executables depend on our current version. func_append verstring ":${current}.0" ;; qnx) major=".$current" versuffix=".$current" ;; sunos) major=".$current" versuffix=".$current.$revision" ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 filesystems. func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; *) func_fatal_configuration "unknown library version type \`$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring="0.0" ;; esac if test "$need_version" = no; then versuffix= else versuffix=".0.0" fi fi # Remove version info from name if versioning should be avoided if test "$avoid_version" = yes && test "$need_version" = no; then major= versuffix= verstring="" fi # Check to see if the archive will have undefined symbols. if test "$allow_undefined" = yes; then if test "$allow_undefined_flag" = unsupported; then func_warning "undefined symbols not allowed in $host shared libraries" build_libtool_libs=no build_old_libs=yes fi else # Don't allow undefined symbols. allow_undefined_flag="$no_undefined_flag" fi fi func_generate_dlsyms "$libname" "$libname" "yes" func_append libobjs " $symfileobj" test "X$libobjs" = "X " && libobjs= if test "$opt_mode" != relink; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) if test "X$precious_files_regex" != "X"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles="$dlfiles" dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles="$dlprefiles" dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test "$build_libtool_libs" = yes; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test "$build_libtool_need_lc" = "yes"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release="" versuffix="" major="" newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib="$potent_lib" while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. 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But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs="" tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then for i in $predeps $postdeps ; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test "X$deplibs_check_method" = "Xnone"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test "$droppeddeps" = yes; then if test "$module" = yes; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test "$allow_undefined" = no; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs="$new_libs" # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test "$build_libtool_libs" = yes; then # Remove ${wl} instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test "$hardcode_into_libs" = yes; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath="$finalize_rpath" test "$opt_mode" != relink && rpath="$compile_rpath$rpath" for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath="$finalize_shlibpath" test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname="$1" shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname="$realname" fi if test -z "$dlname"; then dlname=$soname fi lib="$output_objdir/$realname" linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols="$output_objdir/$libname.uexp" func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile if test "x`$SED 1q $export_symbols`" != xEXPORTS; then # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols="$export_symbols" export_symbols= always_export_symbols=yes fi fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs="$IFS"; IFS='~' for cmd1 in $cmds; do IFS="$save_ifs" # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test "$try_normal_branch" = yes \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=${output_objdir}/${output_la}.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS="$save_ifs" if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs="$tmp_deplibs" if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test "$compiler_needs_object" = yes && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test "X$skipped_export" != "X:" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then output=${output_objdir}/${output_la}.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then output=${output_objdir}/${output_la}.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test "$compiler_needs_object" = yes; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-${k}.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test "X$objlist" = X || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test "$k" -eq 1 ; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-${k}.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-${k}.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\${concat_cmds}$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi if ${skipped_export-false}; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi fi test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs="$IFS"; IFS='~' for cmd in $concat_cmds; do IFS="$save_ifs" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi if ${skipped_export-false}; then if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi fi libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs="$IFS"; IFS='~' for cmd in $cmds; do IFS="$save_ifs" eval cmd=\"$cmd\" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" # Restore the uninstalled library and exit if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test "$module" = yes || test "$export_dynamic" = yes; then # On all known operating systems, these are identical. dlname="$soname" fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "\`-R' is ignored for objects" test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for objects" test -n "$release" && \ func_warning "\`-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object \`$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj="$output" ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # reload_cmds runs $LD directly, so let us get rid of # -Wl from whole_archive_flag_spec and hope we can get by with # turning comma into space.. wl= if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` else gentop="$output_objdir/${obj}x" func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" # Create the old-style object. reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test output="$obj" func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi if test "$build_libtool_libs" != yes; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS fi if test -n "$pic_flag" || test "$pic_mode" != default; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output="$libobj" func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for programs" test -n "$release" && \ func_warning "\`-release' is ignored for programs" test "$preload" = yes \ && test "$dlopen_support" = unknown \ && test "$dlopen_self" = unknown \ && test "$dlopen_self_static" = unknown && \ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test "$tagname" = CXX ; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " ${wl}-bind_at_load" func_append finalize_command " ${wl}-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs="$new_libs" func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath="$rpath" rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath="$rpath" if test -n "$libobjs" && test "$build_old_libs" = yes; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" "no" # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=yes case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=no ;; *cygwin* | *mingw* ) if test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; *) if test "$need_relink" = no || test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; esac if test "$wrappers_required" = no; then # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command="$compile_command$compile_rpath" # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.${objext}"; then func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' fi exit $exit_status fi if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test "$no_install" = yes; then # We don't need to create a wrapper script. link_command="$compile_var$compile_command$compile_rpath" # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi if test "$hardcode_action" = relink; then # Fast installation is not supported link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" func_warning "this platform does not like uninstalled shared libraries" func_warning "\`$output' will be relinked during installation" else if test "$fast_install" != no; then link_command="$finalize_var$compile_command$finalize_rpath" if test "$fast_install" = yes; then relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` else # fast_install is set to needless relink_command= fi else link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" fi fi # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource="$output_path/$objdir/lt-$output_name.c" cwrapper="$output_path/$output_name.exe" $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. 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We have # to avoid creating archives with duplicate basenames if we # might have to extract them afterwards, e.g., when creating a # static archive out of a convenience library, or when linking # the entirety of a libtool archive into another (currently # not supported by libtool). if (for obj in $oldobjs do func_basename "$obj" $ECHO "$func_basename_result" done | sort | sort -uc >/dev/null 2>&1); then : else echo "copying selected object files to avoid basename conflicts..." gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_mkdir_p "$gentop" save_oldobjs=$oldobjs oldobjs= counter=1 for obj in $save_oldobjs do func_basename "$obj" objbase="$func_basename_result" case " $oldobjs " in " ") oldobjs=$obj ;; *[\ /]"$objbase "*) while :; do # Make sure we don't pick an alternate name that also # overlaps. newobj=lt$counter-$objbase func_arith $counter + 1 counter=$func_arith_result case " $oldobjs " in *[\ /]"$newobj "*) ;; *) if test ! -f "$gentop/$newobj"; then break; fi ;; esac done func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" func_append oldobjs " $gentop/$newobj" ;; *) func_append oldobjs " $obj" ;; esac done fi func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result eval cmds=\"$old_archive_cmds\" func_len " $cmds" len=$func_len_result if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then cmds=$old_archive_cmds elif test -n "$archiver_list_spec"; then func_verbose "using command file archive linking..." for obj in $oldobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > $output_objdir/$libname.libcmd func_to_tool_file "$output_objdir/$libname.libcmd" oldobjs=" $archiver_list_spec$func_to_tool_file_result" cmds=$old_archive_cmds else # the command line is too long to link in one step, link in parts func_verbose "using piecewise archive linking..." save_RANLIB=$RANLIB RANLIB=: objlist= concat_cmds= save_oldobjs=$oldobjs oldobjs= # Is there a better way of finding the last object in the list? 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We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze*) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arceb \ | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ | avr | avr32 \ | be32 | be64 \ | bfin \ | c4x | c8051 | clipper \ | d10v | d30v | dlx | dsp16xx \ | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | k1om \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa32r6 | mipsisa32r6el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64r6 | mipsisa64r6el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipsr5900 | mipsr5900el \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 | nios2eb | nios2el \ | ns16k | ns32k \ | open8 | or1k | or1knd | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | riscv32 | riscv64 \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | c8051-* | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | k1om-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ | microblaze-* | microblazeel-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa32r6-* | mipsisa32r6el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64r6-* | mipsisa64r6el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipsr5900-* | mipsr5900el-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* | nios2eb-* | nios2el-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | or1k*-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppa-next) os=-nextstep3 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; i386-vsta | vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze*) basic_machine=microblaze-xilinx ;; mingw64) basic_machine=x86_64-pc os=-mingw64 ;; mingw32) basic_machine=i686-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; moxiebox) basic_machine=moxie-unknown os=-moxiebox ;; msdos) basic_machine=i386-pc os=-msdos ;; ms1-*) basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` ;; msys) basic_machine=i686-pc os=-msys ;; mvs) basic_machine=i370-ibm os=-mvs ;; nacl) basic_machine=le32-unknown os=-nacl ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; netbsd386) basic_machine=i386-unknown os=-netbsd ;; netwinder) basic_machine=armv4l-rebel os=-linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; news1000) basic_machine=m68030-sony os=-newsos ;; news-3600 | risc-news) basic_machine=mips-sony os=-newsos ;; necv70) basic_machine=v70-nec os=-sysv ;; next | m*-next ) basic_machine=m68k-next case $os in -nextstep* ) ;; -ns2*) os=-nextstep2 ;; *) os=-nextstep3 ;; esac ;; nh3000) basic_machine=m68k-harris os=-cxux ;; nh[45]000) basic_machine=m88k-harris os=-cxux ;; nindy960) basic_machine=i960-intel os=-nindy ;; mon960) basic_machine=i960-intel os=-mon960 ;; nonstopux) basic_machine=mips-compaq os=-nonstopux ;; np1) basic_machine=np1-gould ;; neo-tandem) basic_machine=neo-tandem ;; nse-tandem) basic_machine=nse-tandem ;; nsr-tandem) basic_machine=nsr-tandem ;; op50n-* | op60c-*) basic_machine=hppa1.1-oki os=-proelf ;; openrisc | openrisc-*) basic_machine=or32-unknown ;; os400) basic_machine=powerpc-ibm os=-os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson os=-ose ;; os68k) basic_machine=m68k-none os=-os68k ;; pa-hitachi) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; paragon) basic_machine=i860-intel os=-osf ;; parisc) basic_machine=hppa-unknown os=-linux ;; parisc-*) basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pc98) basic_machine=i386-pc ;; pc98-*) basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium | p5 | k5 | k6 | nexgen | viac3) basic_machine=i586-pc ;; pentiumpro | p6 | 6x86 | athlon | athlon_*) basic_machine=i686-pc ;; pentiumii | pentium2 | pentiumiii | pentium3) basic_machine=i686-pc ;; pentium4) basic_machine=i786-pc ;; pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumpro-* | p6-* | 6x86-* | athlon-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium4-*) basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pn) basic_machine=pn-gould ;; power) basic_machine=power-ibm ;; ppc | ppcbe) basic_machine=powerpc-unknown ;; ppc-* | ppcbe-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle | ppc-le | powerpc-little) basic_machine=powerpcle-unknown ;; ppcle-* | powerpclittle-*) basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64) basic_machine=powerpc64-unknown ;; ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64le | powerpc64little | ppc64-le | powerpc64-little) basic_machine=powerpc64le-unknown ;; ppc64le-* | powerpc64little-*) basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ps2) basic_machine=i386-ibm ;; pw32) basic_machine=i586-unknown os=-pw32 ;; rdos | rdos64) basic_machine=x86_64-pc os=-rdos ;; rdos32) basic_machine=i386-pc os=-rdos ;; rom68k) basic_machine=m68k-rom68k os=-coff ;; rm[46]00) basic_machine=mips-siemens ;; rtpc | rtpc-*) basic_machine=romp-ibm ;; s390 | s390-*) basic_machine=s390-ibm ;; s390x | s390x-*) basic_machine=s390x-ibm ;; sa29200) basic_machine=a29k-amd os=-udi ;; sb1) basic_machine=mipsisa64sb1-unknown ;; sb1el) basic_machine=mipsisa64sb1el-unknown ;; sde) basic_machine=mipsisa32-sde os=-elf ;; sei) basic_machine=mips-sei os=-seiux ;; sequent) basic_machine=i386-sequent ;; sh) basic_machine=sh-hitachi os=-hms ;; sh5el) basic_machine=sh5le-unknown ;; sh64) basic_machine=sh64-unknown ;; sparclite-wrs | simso-wrs) basic_machine=sparclite-wrs os=-vxworks ;; sps7) basic_machine=m68k-bull os=-sysv2 ;; spur) basic_machine=spur-unknown ;; st2000) basic_machine=m68k-tandem ;; stratus) basic_machine=i860-stratus os=-sysv4 ;; strongarm-* | thumb-*) basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` ;; sun2) basic_machine=m68000-sun ;; sun2os3) basic_machine=m68000-sun os=-sunos3 ;; sun2os4) basic_machine=m68000-sun os=-sunos4 ;; sun3os3) basic_machine=m68k-sun os=-sunos3 ;; sun3os4) basic_machine=m68k-sun os=-sunos4 ;; sun4os3) basic_machine=sparc-sun os=-sunos3 ;; sun4os4) basic_machine=sparc-sun os=-sunos4 ;; sun4sol2) basic_machine=sparc-sun os=-solaris2 ;; sun3 | sun3-*) basic_machine=m68k-sun ;; sun4) basic_machine=sparc-sun ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun ;; sv1) basic_machine=sv1-cray os=-unicos ;; symmetry) basic_machine=i386-sequent os=-dynix ;; t3e) basic_machine=alphaev5-cray os=-unicos ;; t90) basic_machine=t90-cray os=-unicos ;; tile*) basic_machine=$basic_machine-unknown os=-linux-gnu ;; tx39) basic_machine=mipstx39-unknown ;; tx39el) basic_machine=mipstx39el-unknown ;; toad1) basic_machine=pdp10-xkl os=-tops20 ;; tower | tower-32) basic_machine=m68k-ncr ;; tpf) basic_machine=s390x-ibm os=-tpf ;; udi29k) basic_machine=a29k-amd os=-udi ;; ultra3) basic_machine=a29k-nyu os=-sym1 ;; v810 | necv810) basic_machine=v810-nec os=-none ;; vaxv) basic_machine=vax-dec os=-sysv ;; vms) basic_machine=vax-dec os=-vms ;; vpp*|vx|vx-*) basic_machine=f301-fujitsu ;; vxworks960) basic_machine=i960-wrs os=-vxworks ;; vxworks68) basic_machine=m68k-wrs os=-vxworks ;; vxworks29k) basic_machine=a29k-wrs os=-vxworks ;; w65*) basic_machine=w65-wdc os=-none ;; w89k-*) basic_machine=hppa1.1-winbond os=-proelf ;; xbox) basic_machine=i686-pc os=-mingw32 ;; xps | xps100) basic_machine=xps100-honeywell ;; xscale-* | xscalee[bl]-*) basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` ;; ymp) basic_machine=ymp-cray os=-unicos ;; z8k-*-coff) basic_machine=z8k-unknown os=-sim ;; z80-*-coff) basic_machine=z80-unknown os=-sim ;; none) basic_machine=none-none os=-none ;; # Here we handle the default manufacturer of certain CPU types. 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We pick the logical manufacturer. vendor=unknown case $basic_machine in *-unknown) case $os in -riscix*) vendor=acorn ;; -sunos*) vendor=sun ;; -cnk*|-aix*) vendor=ibm ;; -beos*) vendor=be ;; -hpux*) vendor=hp ;; -mpeix*) vendor=hp ;; -hiux*) vendor=hitachi ;; -unos*) vendor=crds ;; -dgux*) vendor=dg ;; -luna*) vendor=omron ;; -genix*) vendor=ns ;; -mvs* | -opened*) vendor=ibm ;; -os400*) vendor=ibm ;; -ptx*) vendor=sequent ;; -tpf*) vendor=ibm ;; -vxsim* | -vxworks* | -windiss*) vendor=wrs ;; -aux*) vendor=apple ;; -hms*) vendor=hitachi ;; -mpw* | -macos*) vendor=apple ;; -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) vendor=atari ;; -vos*) vendor=stratus ;; esac basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` ;; esac echo $basic_machine$os exit # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: fuse-2.9.7/ChangeLog0000644000175000017500000032307012732044547011203 00000000000000FUSE 2.9.7 (2016-06-20) ======================= * Added SELinux support. * Fixed race-condition when session is terminated right after starting a FUSE file system. FUSE 2.9.6 (2016-04-23) ======================= * Tarball now includes documentation. * Shared-object version has now been bumped correctly. FUSE 2.9.5 (2016-01-14) ======================= * New maintainer: Nikolaus Rath . Many thanks to Miklos Szeredi for bringing FUSE to where it is now! * fix warning in mount.c:receive_fd(). Reported by Albert Berger * fix possible memory leak. Reported by Jose R. Guzman FUSE 2.9.4 (2015-05-22) ======================= * fix exec environment for mount and umount. Found by Tavis Ormandy (CVE-2015-3202). * fix fuse_remove_signal_handlers() to properly restore the default signal handler. Reported by: Chris Johnson * highlevel API: fix directory file handle passed to ioctl() method. Reported by Eric Biggers * libfuse: document deadlock avoidance for fuse_notify_inval_entry() and fuse_notify_delete() * fusermount, libfuse: send value as unsigned in "user_id=" and "group_id=" options. Uids/gids larger than 2147483647 would result in EINVAL when mounting the filesystem. This also needs a fix in the kernel. * Initilaize stat buffer passed to ->getattr() and ->fgetattr() to zero in all cases. Reported by Daniel Iwan * libfuse: Add missing includes. This allows compiling fuse with musl. Patch by Daniel Thau Older Versions (before 2013-01-01) ================================== 2013-06-20 Miklos Szeredi * libfuse: fix multiple close of device fd. Reported by Dan Greenfield 2013-03-19 Miklos Szeredi * libfuse: fix thread cancel race. Exiting a worker my race with cancelling that same worker. This caused a segmenation fault. Reported and tested by Anatol Pomozov 2013-02-04 Miklos Szeredi * libfuse: fix crash in unlock_path(). Patch by Ratna Manoj * libfuse: fix the 'remember' option. The lru list was not initialized for the "/" path. This resulted in remove_node_lru() crashing on LOOKUP-DOTDOT. Patch by Madan Valluri * libfuse: configure: detect new util-linux * libfuse: Use AC_CONFIG_HEADERS instead of AM_CONFIG_HEADER. Patch by Anatol Pomozov * libfuse: rename ./configure.in to ./configure.ac. Patch by Anatol Pomozov 2012-10-01 Miklos Szeredi * Released 2.9.2 2012-10-01 Miklos Szeredi * Fix deadlock in libfuse. Running "svn update" on a fuse filesystem could deadlock because of a bug in the way the paths are locked. Reported by Kazuaki Anami 2012-08-23 Miklos Szeredi * Fix missing config.h in buffer.c. Reported by Matthew Gabeler-Lee 2012-08-14 Miklos Szeredi * Not unhashing the name in forget (commit on 2011-12-09) broke the forget logic in a subtle way, resulting in "fuse internal error: node NNN not found" and causing the filesystem daemon to abort. Fix by incrementing the node refcount if nlookup goes from zero to one. Reported by Kyle Lippincott 2012-08-13 Miklos Szeredi * Fix linking against GNU libiconv. Patch by Natanael Copa 2012-07-19 Miklos Szeredi * Released 2.9.1 2012-07-19 Miklos Szeredi * Fix crash caused by freeing a stack address. Reported by Itay Perl 2012-07-04 Miklos Szeredi * Fix install of mount.fuse from out-of-tree build. Patch by Olivier Blin * Fix build with automake >= 1.12.1. Patch by Olivier Blin 2012-04-24 Miklos Szeredi * Add fallocate operation. Only works on linux kernels 3.5 or later. Patch by Anatol Pomozov 2012-05-16 Miklos Szeredi * Linking to a library that uses threads requires the application to be linked with -pthreads otherwise some pthread functions will be linked to stubs in glibc. So move -pthread from Libs.private to Libs in fuse.pc. Reported by Werner Fink * Fix the compile command in the examples. Reported by Luciano Dalle Ore 2012-04-20 Miklos Szeredi * Released 2.9.0 2012-04-20 Miklos Szeredi * Add missing fuse_fs_flock to fuse_versionscript 2012-04-10 Miklos Szeredi * Check protocol version before sending notifications and return -ENOSYS if a particular notification is not supported. * Add 'flag_utime_omit_ok' flag to fuse_operations. If the filesystem sets this flag then ->utimens() will receive UTIME_OMIT and UTIME_NOW values as specified in utimensat(2). 2012-01-27 Miklos Szeredi * Interpret octal escape codes in options. Requested by Jan Engelhardt 2012-01-26 Miklos Szeredi * Add man pages for fusermount, mount.fuse and ulockmgr_server. Lifted from the Debian package. The man pages were written by Daniel Baumann and Bastien Roucaries 2012-01-13 Miklos Szeredi * Disable symbol versions on MacOSX. Patch by Anatol Pomozov 2012-01-02 Miklos Szeredi * Remove unnecessary mutex unlock at the end of multithreaded event loop. 2011-12-09 Miklos Szeredi * Fix hang in wait_on_path(). Reported by Ville Silventoinen * Don't unhash name in FORGET. This resulted in ENOENT being returned for unlinked but still open files if the kernel sent a FORGET request for the parent directory. * Free request in fuse_reply_data(). 2011-12-08 Miklos Szeredi * Fix build if FUSE_NODE_SLAB is not defined. Patch by Emmanuel Dreyfus * Check for availability of utimensat() function. Patch by Emmanuel Dreyfus 2011-12-07 Miklos Szeredi * Add fuse_lowlevel_notify_delete() which tells the kernel that a file or directory is deleted. Patch by John Muir 2011-12-06 Miklos Szeredi * Update retrieve_reply() method 2011-12-05 Miklos Szeredi * Low level API: lock argument of fuse_reply_lock should have a 'const' qualifier. Reported by Shachar Sharon * Add support for ioctl on directories. Reported by Antonio SJ Musumeci 2011-10-13 Miklos Szeredi * Reply to request with ENOMEM in case of failure to allocate request structure. Otherwise the task issuing the request will just freeze up until the filesystem daemon is killed. Reported by Stephan Kulow 2011-09-23 Miklos Szeredi * Replace daemon() function with fork(). Patch by Anatol Pomozov 2011-08-26 Miklos Szeredi * If configured with --disable-mtab then don't call mount(8) from libfuse to update the mtab. Reported by: James Sierp 2011-08-24 Miklos Szeredi * Use LRU list for cleaning up the cache if the "remember=T" option was given. Patch by therealneworld@gmail.com 2011-07-06 Miklos Szeredi * Add ->flock() operation to low and high level interfaces. This fixes problems with emulating flock() with POSIX locking. Reported by Sebastian Pipping. As with lock/setlk/getlk most filesystems don't need to implement this, as the kernel takes care of file locking. The only reason to implement locking operations is for network filesystems which want file locking to work between clients. 2011-07-02 Sebastian Pipping * Make xmp_utimens of examples "fusexmp" and "fusexmp_fh" not follow symlinks as other layers do that already. 2011-06-02 Miklos Szeredi * Add "remember" option. This works similar to "noforget" except that eventually the node will be allowed to expire from the cache. Patch by therealneworld@gmail.com 2011-05-27 Miklos Szeredi * Check if splice/vmsplice are supported 2011-05-26 Miklos Szeredi * Remove -lrt -ldl from fuse.pc for dynamic linking since libfuse.so is already linked with these libraries. Reported by: Nikolaus Rath 2011-05-20 Miklos Szeredi * Cleaner build output. Patch by Reuben Hawkins 2011-05-19 Miklos Szeredi * Disable splice by default, add "splice_read", "splice_write" and "splice_move" options. Keep the "no_splice_*" variants, which can disable splice even if the filesystem explicitly enables it. 2011-04-15 Max Krasnyansky * Added support for "auto_unmount" option which unmounts the filesystem automatically on process exit (or crash). 2011-03-30 Miklos Szeredi * Patches by Laszlo Papp fixing various issues found by the Coverity checker 2011-03-11 Miklos Szeredi * In case of failure to add to /etc/mtab don't umount. Reported by Marc Deslauriers 2011-02-02 Miklos Szeredi * libfuse: In fuse_session_loop_mt() don't pause when exiting the worker threads. The pause() was added in 2.2.1 to prevent segfault on pthread_cancel() on an exited, detached thread. Now worker threads are not detached and pthread_cancel() should work fine even after the thread exited. Reported by Boris Protopopov 2011-01-31 Miklos Szeredi * fusermount: chdir to / before performing mount/umount * fusermount: only allow mount and umount if util-linux supports --no-canonicalize 2010-12-16 Miklos Szeredi * Highlevel lib: allow hash tables to shrink * Highlevel lib: add slab allocation for node cache. This will allow the memory used by the filesystem to grow and shrink depending on how many inodes are currently cached. 2010-12-13 Miklos Szeredi * Highlevel lib: use dynamically resized hash table for looking up by name and node ID. 2010-12-07 Miklos Szeredi * Allow batching of forget requests. This allows forget requests to be processed faster and doesn't require a modification to fuse filesystems. Reported by Terje Malmedal * Add ->forget_multi() operation to the lowlevel API. The filesystem may implement this to process multiple forget requests in one call * Fix the ambiguity of ioctl ABI on the kernel/userspace boundary for 32bit vs. 64bit userspace 2010-11-10 Miklos Szeredi * Add new write_buf() method to the highlevel API. Similarly to the lowlevel write_buf() method, this allows implementing zero copy writes. * Add a new read_buf() method to the highlevel API. This allows returning a generic buffer from the read method, which in turn allows zero copy reads. * In fusexmp_fh implement the ->read_buf() and ->write_buf() methods. Leave the ->read() and ->write() implementations for reference, even though they are not necessary. 2010-11-08 Miklos Szeredi * Fix check for read-only fs in mtab update * Open /dev/null for write instead of read for redirecting stdout and stderr * If umount(8) supports --fake and --no-canonicalize (util-linux-ng version 2.18 or later), and umount(2) supports the UMOUNT_NOFOLLOW flag (linux kernel version 2.6.35 or later) then, "fusermount -u" will call the umount(2) system call and use "umount --fake ..." to update /etc/mtab * Added --disable-legacy-umount option to configure. This disables the runtime checking of umount(8) version. When built with this option then "fusermount -u" will fail if umount(8) doesn't support the --fake and --no-canonicalize options. * Fix fuse_buf_copy() if already at the end of the buffers * Add new ->write_buf() method to low level interface. This allows passig a generic buffer, either containing a memory buffer or a file descriptor. This allows implementing zero copy writes. * Add fuse_session_receive_buf() and fuse_session_process_buf() which may be used in event loop implementations to replace fuse_chan_recv() and fuse_session_process() respectively. * Remove unnecessary restoring of current working directory in "fusermount -u" * Add ctx->pid to debug output * Fix st_nlink value in high level lib if file is unlinked but still open * libfuse: add store request. Request data to be stored in the kernel buffers for a given inode. * libfuse: add retrieve request. Retrieve data stored in the kernel buffers for a given inode. 2010-10-14 Miklos Szeredi * Use LTLIBICONV when linking libfuse. This fixes building against uclibc + libiconv. Patch by Natanael Copa 2010-10-05 Miklos Szeredi * Add missing argument check in ulockmgr.c to prevent calling ulockmgr_server with illegal arguments. This would cause an ever growing list of ulockmgr_server processes with an endless list of open files which finally exceeds the open file handle limit. Patch by Markus Ammer 2010-09-28 Miklos Szeredi * Fix ambiguous symbol version for fuse_chan_new. fuse_versionscript included fuse_chan_new in both FUSE_2.4 and FUSE_2.6. Remove the FUSE_2.4, which is invalid. 2010-09-28 Miklos Szeredi * Fix option escaping for fusermount. If the "fsname=" option contained a comma then the option parser in fusermount was confused (Novell bugzilla #641480). Fix by escaping commas when passing them over to fusermount. Reported by Jan Engelhardt 2010-08-27 Miklos Szeredi * Add NetBSD support. Patch from Emmanuel Dreyfus 2010-07-12 Miklos Szeredi * libfuse: add buffer interface. Add a generic buffer interface for use with I/O. Buffer vectors are supplied and each buffer in the vector may be a memory pointer or a file descriptor. * The fuse_reply_fd() interface is converted to using buffers. 2010-06-23 Miklos Szeredi * Make the number of max background requests and congestion threshold tunable. New options are "max_background" and "congestion_threshold". Only effective on linux kernel versions 2.6.32 or greater. Patch by Csaba Henk 2010-06-17 Miklos Szeredi * Add fuse_reply_fd() reply function to the low level interface. On linux version 2.6.35 or greater this will use splice() to move data directly from a file descriptor to the fuse device without needing to go though a userspace buffer. With the FUSE_REPLY_FD_MOVE flag the kernel will attempt to move the data directly into the filesystem's cache. On earlier kernels it will fall back to an intermediate buffer. The options "no_splice_write" and "no_splice_move" can be used to disable splicing and moving respectively. 2010-06-15 Miklos Szeredi * Fix out-of-source build. Patch by Jörg Faschingbauer * Add a "nopath" option and flag, indicating that path argument need not be calculated for the following operations: read, write, flush, release, fsync, readdir, releasedir, fsyncdir, ftruncate, fgetattr, lock, ioctl and poll. 2010-05-10 Miklos Szeredi * Remove "chmod root" from install of fusermount. Reported by Lucas C. Villa Real 2010-04-26 Miklos Szeredi * Released 2.8.4 2010-04-26 Miklos Szeredi * Fix checking for symlinks in umount from /tmp. Reported by Al Viro * Fix umounting if /tmp is a symlink. Reported by Franco Broi 2010-02-18 Miklos Szeredi * Fix definition of FUSE_OPT_END for C++. Reported by Tim Bruylants 2010-02-03 Miklos Szeredi * Fix stack alignment for clone() 2010-02-01 Miklos Szeredi * Released 2.8.3 2010-02-01 Miklos Szeredi * Using "--no-canonicalize" with umount(8) conflicts with the race fix, sinceit assumes the supplied path is absolute, while the race fix relies on the path being relative to the current directory. Reported by Tom Rindborg 2010-01-26 Miklos Szeredi * Released 2.8.2 2010-01-21 Miklos Szeredi * Fix race if two "fusermount -u" instances are run in parallel. Reported by Dan Rosenberg * Make sure that the path to be unmounted doesn't refer to a symlink 2010-01-14 Miklos Szeredi * Fix compile error on FreeBSD. Patch by Jay Sullivan 2009-12-17 Miklos Szeredi * Use '--no-canonicalize' option of mount(8) (available in util-linux-ng version 2.17 or greater) to avoid calling readling(2) on the newly mounted filesystem before the mount procedure is finished. This has caused a deadlock if "audit" was enabled in the kernel. Also use '--no-canonicalize' for umount to avoid touching the mounted filesystem. 2009-09-11 Miklos Szeredi * Released 2.8.1 2009-08-25 Miklos Szeredi * Fix missing versioned symbol fuse_get_context@FUSE_2.2 2009-08-18 Miklos Szeredi * Released 2.8.0 2009-08-18 Miklos Szeredi * Add missing fuse_session_data to versionscript * Make sure all global symbols are prefixed with "fuse_" or "cuse_" 2009-07-16 Miklos Szeredi * Clarify how the protocol version should be negotiated between kernel and userspace. Notably libfuse didn't correctly handle the case when the supported major versions didn't match * Add missing pthread link for libulockmgr. Patch by Petr Salinger 2009-07-02 Miklos Szeredi * The context is extended with a 'umask' field. The umask is sent for mknod, mkdir and create requests by linux kernel version 2.6.31 or later, otherwise the umask is set to zero. Also introduce a new feature flag: FUSE_CAP_DONT_MASK. If the kernel supports this feature, then this flag will be set in conn->capable in the ->init() method. If the filesystem sets this flag in in conn->want, then the create modes will not be masked. * Add low level interfaces for lookup cache and attribute invalidation. This feature is available in linux kernels 2.6.31 or later. Patch by John Muir * Kernel interface version is now 7.12 * fusermount: Do not silently ignore command line arguments. Patch by Sebastian Harl 2009-06-19 Miklos Szeredi * Released 2.8.0-pre3 2009-06-19 Miklos Szeredi * Add fuse_getgroups (high level lib) and fuse_req_getgroups (low level lib) functions to query the supplementary group IDs for the current request. Currently this is implemented on Linux by reading from the /proc filesystem. 2009-06-18 Miklos Szeredi * Add "noforget" option to high level lib to prevent ESTALE errors on NFS exported filesystems. This result in paths being cached forever, resulting in ever growing memory usage. Use with care. * Add "no_remote_lock" option to disable remote file locking even if the filesystem implements it. With this option locking primitives (flock, lockf, fcntl(F_SETLK)) will still work, but will ignore remotely locked files. * CUSE patches from Tejun Heo: * Unrestricted ioctl support left some debris. Clean them up: o No reason to pass around pointer to flags. Pass flags directly. o Clean up comment and prototype parameter names. o fuse_lib_ioctl() didn't reply when get_path() failed. Fix it. o Remove unused variables {in|out}_iov from fuse_lib_ioctl(). * Add fuse_reply_ioctl_iov() * Move fuse_session, fuse_req and fuse_ll definitions to fuse_i.h and make send_reply_iov() and fuse_setup_common() global (also in fuse_i.h). These will be used by CUSE support. * Restructure fuse_ll_process() * Implement libfuse side of CUSE support. CUSE uses subset of FUSE operations as dir operations don't make sense for CUSE where one instance implements single character device. CUSE support comes with its own cuse_lowevel_ops and related initialization and helper functions. Except for initialization, it usage is basically identical to FUSE. This patch also adds example/cusexmp.c which can create a character device with name and device number specified on command line. The created device itself is pretty boring. It's a bit bucket supporting read, write and access via ioctl. 2009-06-16 Miklos Szeredi * Add missing fuse_reply_bmap to versionscript. Debian Bug#531329. Reported by Goswin Brederlow 2009-05-27 Miklos Szeredi * Don't call forget_node() if the lookup was negative and write() for the reply returned ENOENT. Reported by John Haxby 2009-05-25 Miklos Szeredi * Add FUSE_CAP_EXPORT_SUPPORT to fuse_common.h 2009-05-08 Miklos Szeredi * Fix missing newlines in some printfs * Fix 'make install-strip'. Reported by Dominick Layfield 2009-01-05 Miklos Szeredi * Released 2.8.0-pre2 2008-12-08 Miklos Szeredi * Implement poll support. Patch by Tejun Heo * Add missing setattr flags to . * Only pass valid flags to ->setattr(). 2008-12-05 Miklos Szeredi * Implement ioctl support. On high level interface only "restricted" ioctls are supported (which are defined with the _IO(), _IOR(), _IOW() or _IOWR() macros). Unrestricted ioctls will only be allwed to CUSE (Character Device in Userspace) servers. Patch by Tejun Heo 2008-11-28 Miklos Szeredi * If open sets fi->nonseekable, libfuse will tell the kernel that the file is not seekable. Patch by Tejun Heo 2008-11-19 Miklos Szeredi * lowlevel lib: fix deadlock if fuse_reply_* is called from the interrupt handling function. Reported by Tero Marttila 2008-10-16 Miklos Szeredi * Allow commas in options to be escaped with a backslash * Add new function: fuse_opt_add_opt_escaped() * Add missing fuse_reply_bmap() to the version script 2008-10-14 Miklos Szeredi * Pass current file flags to read and write operations 2008-07-24 Miklos Szeredi * Clean up debug output in highlevel lib 2008-07-10 Miklos Szeredi * Released 2.8.0-pre1 2008-06-27 Miklos Szeredi * Fix handling of (no)suid and (no)dev options if filesystem is mounted from /etc/fstab or via mount(8). Reported by Jan Ondrej. * Skip calling mount(8) if /etc/mtab doesn't exist or if it's on a read-only filesystem. This works around issues with certain mount implementations. Reported by Szabolcs Szakacsits. 2008-06-16 Miklos Szeredi * Remove fuse kernel module sources. Linux 2.6.27 will support NFS exporting. 2008-06-10 Miklos Szeredi * Fix theoretical infinite loops in libfuse. Reported by Szabolcs Szakacsits * Fix missing include for PATH_MAX. Reported by Szabolcs Szakacsits 2008-05-23 Miklos Szeredi * Fix mounting over symlink. Reported by Szabolcs Szakacsits 2008-05-09 Miklos Szeredi * Don't allow bigger than 4kB writes by default on 2.6.26 and later kernels, so that filesystems not expecting this are not broken on a kernel upgrade. Provide a 'big_writes' mount option to enable this feature. In future API revisions this may become the default. 2008-04-09 Miklos Szeredi * Update warning message for missing newline at end of fuse.conf * Update debug message for successful operation to not include the string "error:" 2008-04-08 Miklos Szeredi * Update error message for missing mountpoint parameter. Reported by Allen Pulsifer 2008-04-04 Miklos Szeredi * Print library version information to debug output * Highlevel lib: don't limit paths to 4095 characters 2008-03-25 Miklos Szeredi * Fix memory leaks on mount. Patch by Szabolcs Szakacsits 2008-03-19 Miklos Szeredi * Fix missing pthread_mutex_destroy in error path of fuse_lib_opendir(). Patch by Szabolcs Szakacsits 2008-03-07 Miklos Szeredi * Add queuing on contention to per-node lock algorithm, to avoid starvation. * Only enable cancelation when reading a request, otherwise cancellation could happen with a mutex held, which could hang the process on umount 2008-02-08 Miklos Szeredi * Block SIGCHLD when executing mount and umount * fusexmp_fh: avoid unnecessary seeking in readdir * Update kernel interface to 7.9: * Support receiving file handle from kernel in GETATTR request * Allow operations with a NULL path argument, if the filesystem supports it * Add support atomic open(O_TRUNC) * Support the st_blksize field in struct stat * If the "FUSE_THREAD_STACK" environment is set, initialize the stack size of threads by this value. Patch by Florin Malita * Add per-node locking, instead of a global tree lock to protect the path from changing during operations. Original patch by Rodrigo Castro 2008-02-03 Csaba Henk * lib/mount_bsd.c: - string formatting fixes - exit if mounting has failed (in FreeBSD a mount failure is not critical per se, as the daemon still could be mounted externally, but waiting for such an event is more confusing than fruitful) - ditch the kvm(8) stuff and simply use forced unmount which just won't block - prettify option specifications - add "-onosync_unmount" kernel option 2008-01-07 Csaba Henk * lib/mount_bsd.c: - refine device closing in a race-free way - add support for "-osubtype" on FreeBSD * makeconf.sh: make it work under FreeBSD 2008-01-03 Csaba Henk * lib/mount_bsd.c: close device before unmount (cf. lib/mount.c rev. 1.43) and fix some warnings 2007-12-23 Miklos Szeredi * Fix './configure --disable-static'. Patch from Ismail Dönmez 2007-12-17 Miklos Szeredi * Released 2.7.2 2007-12-12 Miklos Szeredi * Fix kernel module compile for 2.6.24 * Invalidate attributes of parent directory after create(), since the modification time changes. Invalidate attributes on rename, since some filesystems may update st_ctime. Reported by Szabolcs Szakacsits * Fix NFS exporting to handle 64bit node IDs * Disable old symbol versions if __UCLIBC__ is defined. If a symbol in a library has multiple versions, the runtime linker in uClibc seems to randomly choose between them. * Remove erroneous 'fuse_opt_insert_arg@FUSE_2_5' from fuse_version_script. fuse_opt_free_args() was added in fuse-2.6. * Close fuse device file descriptor before calling umount(), preventing a deadlock when umount is synchronous. Reported by Szabolcs Szakacsits 2007-11-12 Miklos Szeredi * 'fusermount -u' did not umount the filesystem if /etc/mtab was a symlink. This bug was introduced in 2.7.1 by "Don't call /bin/[u]mount if /etc/mtab is a symlink". Found by robertsong. 2007-10-16 Miklos Szeredi * Released 2.7.1 2007-10-16 Miklos Szeredi * Clarify licence version to be "LGPLv2" for the library * kernel fixes: * After mount set nlink attribute for the root inode to 1 * Fix wake up of task waiting for a reserved request * Fix allowing setattr, listxattr and statfs for other users 2007-09-18 Miklos Szeredi * Add missing context initialization in fuse_fs_chmod(). Bug found by "iohead" * Fix kernel module compilation for 2.6.23. Based on patch by Marian Marinov 2007-09-04 Philippe Elie * lib/fuse_lowlevel.c: fix a fuse_req leak in do_forget() 2007-07-31 Miklos Szeredi * Work around hotplug issue, that it calls filesystem with file descriptors 0, 1 and 2 not open. Tracked down by Leif Johnson 2007-07-25 Miklos Szeredi * Don't call /bin/[u]mount if /etc/mtab is a symlink. Reported by Tomas M * Also don't touch /etc/mtab if it is within the mounted filesystem. Suggested by Jeffrey Law 2007-07-12 Miklos Szeredi * Reset args->argc in fuse_opt_free_args(). Patch by Lucas C. Villa Real 2007-07-02 Miklos Szeredi * Released 2.7.0 2007-07-02 Miklos Szeredi * Accept a NULL "op" for fuse_main(), etc. This is useful if filesystem is only invoking fuse to print a help message, or version. Fixes RedHat bugzilla #217343 2007-06-22 Miklos Szeredi * lib: fix locking when loading a filesystem module 2007-06-21 Miklos Szeredi * Add fs subtype support to mount.fuse 2007-06-20 Miklos Szeredi * Add fs subtype support to libfuse and fusermount 2007-06-19 Miklos Szeredi * kernel: sync with mainline (2.6.22) 2007-06-18 Miklos Szeredi * Send debug output to stderr instead of stdout. Patch by Jan Engelhardt 2007-06-03 Miklos Szeredi * libulockmgr: Work around a kernel bug in recv(), causing it to sometimes return zero even if data was available on the socket. 2007-05-29 Miklos Szeredi * lib: optimization: store parent pointer in node instead of parent id 2007-05-25 Miklos Szeredi * lib: don't create new thread for each FORGET request. FORGET messages sometimes caused so many threads to be created, that process virtual memory space ran out. Reported by Chris AtLee 2007-05-24 Miklos Szeredi * lib: fix memory leak on thread creation failure in multithreaded event loop. Found by Chris AtLee 2007-05-23 Miklos Szeredi * lowlevel lib: add fuse_reply_iov function, which is similar to fuse_reply_buf, but accepts a vector of buffers. Patch by Roger Willcocks 2007-05-21 Miklos Szeredi * Fix Oops or error if a regular file is created with mknod(2) on a fuse filesystem. Kernels 2.6.18 onward are affected. Thanks to J. Cameijo Cerdeira for the report 2007-05-11 Csaba Henk * libfuse: fix return value of fuse_loop()/fuse_loop_mt(). Error reported by Csaba Henk, fix by Miklos Szeredi * libfuse: fix unlock in flush * libfuse: do unlocking on RELEASE+FLUSH 2007-05-03 Miklos Szeredi * Released 2.7.0-rc1 2007-05-02 Miklos Szeredi * kernel: sync with mainline: * Use invalidate_mapping_pages() if available * Fix BUG when invalid file type is supplied in mount. Patch by Timo Savola 2007-04-27 Miklos Szeredi * libfuse: call umount(8) directly instead of fusermount if possible * Clean up init script, make it LSB compliant 2007-04-26 Miklos Szeredi * In multithreaded loop, use a semaphore instead of SIGHUP to wake up the main thread on umount. This is more elegant, and works even if signals are blocked. 2007-04-25 Miklos Szeredi * Improve mounting support in libfuse: - check non-empty mountpoint - only fall back to fusermount when necessary 2007-04-23 Miklos Szeredi * Don't chdir to "/" in foreground mode, it causes more trouble than it's worth 2007-04-18 Miklos Szeredi * Replace utils/mount.fuse "sh" script with a "C" program 2007-04-15 Miklos Szeredi * Add -lulockmgr to compilation comment in fusexmp_fh.c 2007-04-05 Miklos Szeredi * Check for iconv. Patch by Csaba Henk * Add direct umounting * Use "fusectl" as the device for the fusectl filesystem. Debian Bug#417945. Reported by Laurent Bonnaud 2007-04-01 Csaba Henk * Fix some FreeBSD related macros. 2007-03-30 Miklos Szeredi * Add support for direct mounting by libfuse. Fall back on calling fusermount if it doesn't work 2007-03-14 Miklos Szeredi * Released 2.7.0-pre1 2007-03-05 Miklos Szeredi * Correctly handle O_APPEND in direct IO mode. Reported by Greg Bruno * mount.fuse should use /bin/bash. Debian Bug#413403. Reported by Thomas Weinbrenner 2007-02-26 Miklos Szeredi * Fix detection of installed fuse in init script. Reported and fix suggested by Davide Canova 2007-02-05 Miklos Szeredi * Fix 2.6.9 RHEL kernels, which have compatibility mutex.h, but don't define mutex_destroy(), bummer. Patch from Phil Schwan 2007-02-04 Miklos Szeredi * Compile fuseblk for kernels which don't have an option to turn off the block layer (CONFIG_BLOCK). Reported by Szakacsits Szabolcs 2007-02-03 Miklos Szeredi * Add filesystem stacking support to high level API. Filesystem modules can be built into libfuse or loaded from shared object (.so) files * Add 'subdir' and 'iconv' built in modules * lib/fuse.c: Fix locking for the reply code in create and open 2007-02-02 Miklos Szeredi * kernel: make it compile on "strange" kernels which have emulated mutexes via but no i_mutex. Reported by Tomasz Mateja 2007-01-28 Miklos Szeredi * kernel: fix BUG in control filesystem if it is umounted and mounted again, while some fuse filesystems are present. Bugreport from Florent Mertens * kernel: sync with mainline, support 2.6.20 2007-01-22 Miklos Szeredi * lib/Makefile.am: actually link libfuse against libfuse_libs 2007-01-19 Miklos Szeredi * Build fix for 2.6.16 vanila and 2.6.15 FC5 kernels. Patch from Ian Abbott 2007-01-18 Miklos Szeredi * Fix abort in fuse_new() compatibility API for opts == NULL case. Novell bugzilla #233870. Patch from Takashi Iwai. 2007-01-13 Miklos Szeredi * Fix option parsing in mount.fuse. Patch from Jens M. Noedler 2007-01-02 Miklos Szeredi * Fix unaligned access in file desctriptor passing in libfuse, fusermount and ulockmgr. Debian bug ID: 404904. Reported and tested by Sebastian Fontius 2006-12-16 Miklos Szeredi * kernel: don't keep unreferenced inodes in the icache. 2006-12-15 Miklos Szeredi * fusermount: Fix detection of fuseblk. Reported by Szakacsits Szabolcs * lib: Fix use after free in fuse_flush(). Reported by Ron Lindman 2006-12-10 Miklos Szeredi * mount.fuse: add "setuid=USER" option which does a "su - USER" for the filesystem * fusermount: use "/bin/mount -f" to add entry to /etc/mtab, and "/bin/umount" to remove entry from /etc/mtab. This gets rid of the ugly code dealing with mtab, as well as a possible race between fusermount and mount trying to modify /etc/mtab at the same time * Fix "buffer size too small: 4" warning for users of the fuse_loop_mt_proc() function. 2006-12-04 Miklos Szeredi * Fix warnings with gcc-4.1 on 64bit archs. Report from Harshavardhana * Add extra warning options, and fix resulting warnings * Really fix fuse_teardown problem 2006-12-02 Miklos Szeredi * Add -lrt to fuse.pc (if needed) to fix static linking against libfuse. Reported by Szakacsits Szabolcs 2006-12-01 Miklos Szeredi * Released 2.6.1 2006-11-30 Miklos Szeredi * Fix API version 21 and 22 compatibility for fuse_teardown. Reported by Bgs 2006-11-29 Miklos Szeredi * fusermount: Print a more helpful message in case the kernel doesn't support the 'fuseblk' filesystem type. This has been biting ntfs-3g users. Reported by Yura Pakhuchiy * kernel: fix build problem for "make -C ...". Reported by Stephen Bryant 2006-11-19 Miklos Szeredi * Fix bug in certain error paths of lookup routines. The request object was reused for sending FORGET, which is illegal. This bug could cause an Oops in linux-2.6.18 or in fuse-2.6.0, and might silently corrupt memory in earlier versions. Report and test program by Russ Cox 2006-11-11 Miklos Szeredi * Print an error if an incompatible kernel interface version is detected in INIT. This will only show if filesystem is started with -d or -f * Fix order of fuse_destroy()/fuse_unmount() in error cleanup of fuse_setup_common(). Reported by Szakacsits Szabolcs 2006-11-06 Miklos Szeredi * Fix recursive locking in fuse_create(). Thanks to Takuya Ishibashi for the bug report 2006-10-28 Miklos Szeredi * Fix automake problem. Patch from Nix 2006-10-26 Miklos Szeredi * Fix mount.fuse to use /bin/sh instead of /bin/bash, which is not always available on embedded systems. Patch from Paul Smith * Fix util/Makefile.am, so that failure to run update-rc.d or device creation doesn't cause make to fail. Reported by Paul Smith 2006-10-21 Miklos Szeredi * Released 2.6.0 2006-10-18 Miklos Szeredi * fusermount: don't try to create a lock file if /etc/mtab is a symlink. Report and patch from Alexei Sheplyakov (debian bug #393693) 2006-10-17 Miklos Szeredi * Minor changes, sync with mainline tree 2006-10-16 Miklos Szeredi * Released 2.6.0-rc3 2006-10-15 Miklos Szeredi * kernel: cleanups 2006-10-13 Miklos Szeredi * kernel: Fix compilation on patched 2.6.18 (fc6) and 2.6.19. Report from David Shaw * lib: Fix lost error on renaming a file. Report from David Shaw * lib: Fix lost error on hiding open files (renaming to .fuse_hiddenXXXX) * kernel: Fix a rare hang on SMP/32bit on heavy filesystem activity. The cause of the bug was that some calls to i_size_write() were not protected by a lock, and hence i_size_seqcount could become corrupted. This caused subsequent calls to i_size_read() to spin forever. This is a long standing bug was probably introduced in version 2.2, and thought to be related to NFS exporting (it's not). It was reported by various people, but Dana Henriksen has finally helped me to track it down, so big thanks to him * kernel: Protect against truncation of a swapfile 2006-10-10 Miklos Szeredi * kernel: Check for signature of super_operations->umount_begin(). Ubuntu kernel 2.6.17 seems to use the new signature found in 2.6.18. Thanks to Florent Mertens for the report 2006-10-08 Miklos Szeredi * Make sure inode numers wrap around at 2^32. This is needed on dual 64bit/32bit architectures, because 32bit applications using the non-largefile interface would otherwise break (EOVERFLOW error would be returned by the stat() system call family) * ulockmgr: handle the case, when a locking operation fails because no more file desctriptors are available in ulockmgr_server. Also work around a Linux kernel bug (known to exist for all Linux kernel versions <= 2.6.18) which may cause sent file descriptors to be lost in the above case * ulockmgr: optimize file descriptor use * restore needed cpp flags to util/Makefile.am * Install udev rules as 99-fuse.rules instead of 60-fuse.rules * Minor clean up of udev rules * Add a synchronous DESTROY message to kernel interface. This is invoked from umount, when the final instance of the filesystem is released. It is only sent for filesystems mounted with the 'blkdev' option for security reasons. * If the DESTROY message is received, call the filesystem's ->destroy() method. In this case it's not called from session destruction as it would be otherwise. 2006-10-01 Miklos Szeredi * Released 2.6.0-rc2 2006-10-01 Miklos Szeredi * Add support for FLUSH+RELEASE operation for FreeBSD. Original patch by Csaba Henk * Add init script to insert fuse module and mount the control filesystem. The script is installed as /etc/init.d/fuse and on debian based systems (where update-rc.d is available) symlinks from /etc/rc*.d/ are also installed. * Include '#define FUSE_USE_VERSION=XX' into examples so they become more self contained. 2006-09-30 Miklos Szeredi * API changes: * Move lock_owner from a separate argument into fuse_file_info * Add a flag to fuse_file_info indicating (1) a highlevel lock operation (unlock all) was initiated by a flush, (2) a lowlevel release operation should perform a flush as well. * fusermount: revert modprobe change (2006-08-18) since it doesn't work reliably with udev * Add support for block device backed filesystems. This mode is selected with the 'blkdev' option, which is privileged. * Add support for the bmap (FIBMAP ioctl) operation on block device backed filesystems. This allows swapon and lilo to work on such filesystems. * kernel changes: * Drop support for kernels earlier than 2.6.9. Kernel module from previous (2.5.x) release can be used with library from this release * In fuse_dentry_revalidate() use dget_parent() instead of dereferencing d_parent, since there's no protection against parent changing and going away * Protect nlookup from concurrent updates * In lookup if a directory alias exists but is unused, then get rid of it, otherwise return -EBUSY. * In mkdir if a directory alias exists, return success, but leave dentry negative. In reality this could happen if a remote rename immediately followed the mkdir. * Don't BUG in fuse_iget() if multiple retries are needed to get a good inode. This could happen if several lookups are racing for the same inode. 2006-09-29 Miklos Szeredi * Fix compilation on 2.6.9. Report from Troy Ayers 2006-09-27 Miklos Szeredi * Fix Oops in fuse_readpages(). Reported by David Shaw 2006-09-24 Csaba Henk * Add support for nanosec times on FreeBSD * Fix FreeBSD compatibility issues 2006-09-23 Miklos Szeredi * Fix one more compatibility bug. Thanks to Ricardo Correia * Fix utimens compilation with uClibc. Patch from Jamie Guinan 2006-09-22 Miklos Szeredi * Fixed several compatibility bugs in low level interface. Reported by Ricardo Correia * Add workaround for ARM caching bug 2006-09-16 Miklos Szeredi * Rename new utimes() method to more logical utimens() 2006-09-14 Miklos Szeredi * Fuse tried to unlink already unlinked hidden files. Bug reported by Milan Svoboda 2006-09-10 Miklos Szeredi * Released 2.6.0-rc1 2006-09-10 Miklos Szeredi * kernel: Fix unlock on close for kernels < 2.6.18 * Add ulockmgr library & server. This can be used for handling file locking requests either directly from libfuse or over a network, etc. This first version is not optimized and the number of file descriptors it uses may get out of hand 2006-09-07 Miklos Szeredi * lib: Add interrupt support to high level library, which may be enabled with the 'intr' mount option. * When an operation is interrupted the thread handling that operation will receive SIGUSR1 (or other signal specified with the 'intr_signal=N' option). The library installs a no-op signal handler for this signal, unless there's already a handler installed. * The filesystem may query interrupt status (regardless of 'intr') with the fuse_interrupted() function. * mount.fuse: initialize $HOME if not set. Report from Sven Goldt 2006-09-03 Miklos Szeredi * lib: Multithreaded loop now allows unlimited number of threads. This is needed for locking operations which may block indefinitely. Also the kernel now doesn't limit the number of outstanding requests so the library shouldn't do so either. 2006-09-01 Miklos Szeredi * Fix recursive lock bug in interrupt handling * Add utimes() method to highlevel interface, which supports setting times with nanosecond resolution 2006-08-18 Miklos Szeredi * kernel: fix page leak if fuse_readpages() failed in it's initialization. Bug found and original patch from Alexander Zarochentsev * For linux kernels >=2.6.18 (2.6.19 if using the fuse module from the kernel tree) the statfs method will receive the path within the filesystem on which the stat(v)fs syscall was called * fusermount: try to modprobe fuse module if invoked by root and unable to open device. This is needed with udev, since the device node will be created only when the module is inserted, hence module autoloading won't work. Reported by Szakacsits Szabolcs 2006-07-30 Miklos Szeredi * fusermount: if selinux is active, restore the original file's security context in unmount_rename(). Redhat bugzilla id 188561. Patch from Yves Perrenoud * Add POSIX file locking operation to high level library * Initialize context for unlink of hidden files on umount. Bug reported by Tim Stoakes 2006-07-14 Miklos Szeredi * Multiple release() calls can race with each other, resulting in the hidden file being deleted before the last release finishes. Bug found and patch tested by Mark Huijgen 2006-07-05 Miklos Szeredi * fusermount: if /dev/fuse doesn't exist, suggest modprobing fuse; this makes sense on systems using udev. Reported by Szakacsits Szabolcs 2006-06-29 Miklos Szeredi * Released 2.6.0-pre3 2006-06-29 Miklos Szeredi * Support in kernel module for file locking and interruption. The same functionality is available in official kernels >= 2.6.18 2006-06-28 Miklos Szeredi * Add POSIX file locking support * Add request interruption 2006-06-06 Miklos Szeredi * Add missing pthread_rwlock_destroy(). Patch from Remy Blank 2006-06-05 Remy Blank * lib: canonicalize mount point in fuse_helper_opt_proc() so that unmounting succeeds even if mount point was relative. 2006-06-04 Csaba Henk * lib: fix emergency umount in helper.c when malloc fails. (The way it was done would end up in a segfault.) 2006-06-01 Csaba Henk * lib: adjust threading related compiler flags. Switch to "-pthread" from "-lpthread" as that's the preferred one on several platforms. Consulted with Terrence Cole and Miklos Szeredi 2006-05-08 Miklos Szeredi * lib: search fusermount in installation directory (bindir) as well as in PATH. 2006-05-03 Miklos Szeredi * lib: fix compilation if CLOCK_MONOTONIC is not defined. Reported by Christian Magnusson 2006-04-23 Csaba Henk * lib: make FreeBSD mount routine recognize if kernel features backgrounded init and if it does, run the mount util in foreground (similarly to Linux) 2006-04-21 Miklos Szeredi * kernel: fix fput deadlock fix, the lockless solution could lead to "VFS: busy inodes after umount..." * kernel: fix race between checking and setting file->private_data for the device. Found by Al Viro 2006-04-11 Miklos Szeredi * kernel: remove request pool, instead allocate requests on demand. Account the number of background requests, and if they go over a limit, block the allocation of new requests. * kernel: fix deadlock if backgrounded request holds the last reference to the super block * kernel: don't use fuse_reset_request() during direct I/O 2006-04-06 Csaba Henk * lib: Let FreeBSD mount option parsing routine recognize "no" prefixes for FUSE specific options as well 2006-04-01 Miklos Szeredi * lib: Add missing rwlock initialization. Patch by Ryan Bradetich 2006-03-17 Miklos Szeredi * API changes: * fuse_main(), fuse_setup() and fuse_new() have an additionl user_data parameter * fuse_mount() returns a 'struct fuse_chan' pointer instead of a file descriptor * fuse_unmount() receives a 'struct fuse_chan' pointer. It destroys the given channel * fuse_teardown() no longer has a file descriptor parameter * new exported functions: fuse_session_remove_chan(), fuse_get_session(), fuse_daemonize() * fuse_chan_recv() may now return a new channel which will be used to send the reply 2006-03-16 Miklos Szeredi * Released 2.6.0-pre2 2006-03-16 Miklos Szeredi * Don't unmount if already unmounted. This fixes a problem seen in the following situation: Lazy unmount a busy filesystem; Mount a new one in top; When the first finally unmounts, the second also unmounts. Reported by Franco Broi 2006-03-15 Miklos Szeredi * lowlevel lib: use indirect function calls instead of a switch/case construct. Besides increased efficiency it helps maintainability & readability too. Patch from Florin Malita 2006-03-13 Miklos Szeredi * kernel: replace global spinlock with a per-connection spinlock 2006-03-10 Miklos Szeredi * Fix source compatibility breakage for fuse_unmount(). Report from Yura Pakhuchiy 2006-03-02 Miklos Szeredi * Fix O_ASYNC handling in fuse_dev_release(). From Jeff Dike 2006-03-01 Miklos Szeredi * Add O_ASYNC and O_NONBLOCK support to FUSE device. Patch by Jeff Dike * Renamed fuse_chan_receive() to fuse_chan_recv() and changed interface to return -errno in case of error. 2006-03-01 Csaba Henk * libfuse: pass device file descriptor to fuse_unmount(), rewrite FreeBSD implementation so that it uses libc (sysctl backed) instead of an embdedded script (kmem backed). Adjust the control flow of hello_ll so that device doesn't get closed before unmount attempt. 2006-02-25 Miklos Szeredi * Lowlevel lib: return all-zero statvfs data if filesystem doesn't implement method. This is needed on FreeBSD, and nicer on Linux too. Highlevel lib already did this. Reported by Csaba Henk * Fix negative entry handling. There was a bug, that negative lookups with timeouts (nodeid == 0) returned -EIO. 2006-02-23 Miklos Szeredi * Fix race between RELEASE and UNLINK, which might leave .fuse_hidden* files around 2006-02-21 Miklos Szeredi * fusexmp_fh: implement flush() method and call close() on the open file descriptor. This is needed if used on an NFS filesystem, which buffers data until file is closed. Franco Broi spotted the situation when 'cp -p' failed to set the modification time because of this. 2006-02-20 Miklos Szeredi * Released 2.6.0-pre1 2006-02-19 Miklos Szeredi * libfuse: fix use-after-free bug in interruptred reply_entry(). Patch from John Muir * libfuse: fix wrong symbol versioning for fuse_mount. Debian bug ID: 352631. Found by Stéphane Rosi 2006-02-17 Miklos Szeredi * Lowlevel lib: Unify fuse_dirent_size() and fuse_add_dirent() into a single function fuse_add_direntry(). This cleans up the interface and makes it possible to do stacking. 2006-02-16 Miklos Szeredi * Fix rare race betweeen abort and release caused by failed iget() in fuse_create_open(). * Add 'ac_attr_timeout' option e.g. for filesystems which do their own attribute caching. 2006-02-15 Miklos Szeredi * Work around FreeBSD runtime linker "feature" which binds an old version of a symbol to internal references if the symbol has more than one version. This resulted in infinite recursion in fuse_lowlevel_new_compat25(). 2006-02-10 Csaba Henk * Refine clock_gettime() querying so that linker options shall be set as it's appropriate for the target platform. 2006-02-09 Miklos Szeredi * Fix udev rule syntax. Reported by Nix 2006-02-08 Miklos Szeredi * In some cases udev rule seems to be ineffective when installed as 40-fuse.rules but work as 60-fuse.rules. Reported by John Hunt 2006-02-03 Miklos Szeredi * Fix compilation when build directory is different from source directory. Reported by Frédéric L. W. Meunier 2006-02-02 Miklos Szeredi * Fix even bigger bug introduced in fix for request_end() on 2006-01-14. Reported by Gal Rosen 2006-01-30 Miklos Szeredi * highlevel-lib: add 'auto_cache' option. This caches file data based on modification time and size 2006-01-20 Miklos Szeredi * Sanitize storage type and help message in mount_bsd.c. Patch from Csaba Henk * fuse_opt: add new helper constants FUSE_OPT_KEY_KEEP and FUSE_OPT_KEY_DISCARD * Add options 'max_readahead', 'sync_read' and 'async_read' * Kernel ABI version 7.6: * Negotiate the 'max_readahead' value and 'async_read' flags with userspace in the INIT method * Add connection info to ->init() methods to both lowlevel and highlevel API * Fall back to synchronous read() behavior if either library or userspace filesystem is using the old interface version. This is needed so non-updated filesystems won't be confused by the different read() behavior 2006-01-19 Miklos Szeredi * lib: if "fsname=" option was given, pass it to fusermount * fuse_opt: add new fuse_opt_insert_arg() function, which is needed by filesystems to implement some argument manipulations correctly * fuse_opt: fix memory leak in handling "--" option 2006-01-18 Miklos Szeredi * kernel: fix detection of case when fuse is not configured into the kernel either as module or built-in * fuse_opt.h: fix incompatibility with C++ compilers by renaming 'template' structure member to 'templ'. Reported by Takashi Iwai * fuse.h: fix compatibility bugs. Patch by Yura Pakhuchiy * kernel: support version 2.6.16 (i_sem -> i_mutex) 2006-01-16 Miklos Szeredi * Added (again) asynchronous readpages support * Each connection now shows up under /sys/fs/fuse/connections * Connection attributes exported to sysfs: 'waiting' number of waiting requests; 'abort' abort the connection * Connection may be aborted through either the sysfs interface or with 'umount -f mountpoint' 2006-01-14 Miklos Szeredi * Released 2.5.0 2006-01-14 Miklos Szeredi * kernel: fix a couple of bugs * Order of request_end() and fuse_copy_finish() was wrong. Posthumous note: Franco Broi managed to exploit this, though it seemed quite impossible * request_end() used request pointer after decrementing refcount * Clearing ->connected or ->mounted connection flags could race with setting other bitfields not protected with a lock 2006-01-10 Miklos Szeredi * kernel: add necessary compile flags for 2.4.X/x86_64. Report from Sean Ziegeler 2006-01-09 Miklos Szeredi * Released 2.5.0-pre2 2006-01-09 Miklos Szeredi * Applied patch from Csaba Henk, to update mount_bsd to new fuse_mount() semantics * Ignore auto,noauto,... options in mount.fuse. Reported by Frank Steiner and Don Taber * fusermount: add 'dirsync' mount option 2006-01-07 Miklos Szeredi * Improved help reporting and added version reporting to library 2006-01-06 Miklos Szeredi * Change working directory to "/" even if running in the foreground. Patch from Jonathan Brandmeyer * Changed lots of functions to use 'struct fuse_args' instead of separate argc and argv * Added fuse_parse_cmdline(), fuse_set_signal_handlers() and fuse_remove_signal_handlers() functions, so that it's now pretty easy to get all the functionality of fuse_main() with a filesystem using the lowlevel API. 2006-01-02 Miklos Szeredi * mount.fuse: the 'user' option should be ignored. Report and solution from Mattd. * mount.fuse: export PATH in the right place. Report and patch from Hannes Schweizer 2005-12-16 Miklos Szeredi * Clean up the option parsing interface slightly, by creating an "argument list" structure, that contains the argument vector and count 2005-12-15 Miklos Szeredi * fusermount: check if /mnt/mtab is a symlink and don't modify it in that case * kernel: simplify request size limiting. INIT only contains maximum write size, maximum path component size remains fixed at 1024 bytes, and maximum xattr size depends on read buffer. 2005-12-14 Miklos Szeredi * Fix readdir() failure on x86_64, of 32bit programs compiled without largefile support. Bug report and help from Anthony Kolasny * If lookup returns invalid mode, return -EIO instead of creating a regular file * Add current output argument vector to option processing function 2005-12-12 Miklos Szeredi * Fix stale code in ifdef FreeBSD. Patch from Csaba Henk 2005-12-09 Miklos Szeredi * Released 2.5.0-pre1 2005-12-09 Miklos Szeredi * libfuse: added option parsing interface, defined in . 2005-12-07 Miklos Szeredi * Return EIO for file operations (read, write, fsync, flush) on open files whose inode has become "bad". Inodes will be marked "bad" if their type changes. Bug report by Csaba Henk 2005-12-06 Miklos Szeredi * Use bigger request buffer size. write() did not work on archs with > 4k page size, Bug report by Mark Haney * ABI version 7.5: * Extend INIT reply with data size limits 2005-12-02 Miklos Szeredi * Fix memory leak in fuse_read_cmd()/fuse_process_cmd(). Bug reported by Vincenzo Ciancia * Handle exit-by-umount in fuse_read_cmd() 2005-11-29 Miklos Szeredi * Check if '-msoft-float' option is supported by compiler when configuring for a 2.4.x kernel. Bug report by Mark Haney * In multithreaded loop send a TERM signal to the main thread if one of the other threads exit. Needed on FreeBSD for a clean exit on umount. Should not cause any harm on Linux either 2005-11-28 Miklos Szeredi * Fix bug in 32-bit file handle compatibility 2005-11-27 Miklos Szeredi * Block TERM, INT, HUP and QUIT signals in all but the main thread. According to POSIX it's not specified which thread will receive these signals. * Kernel changes: * Check for directory aliasing on mkdir, not just on lookup * Check for special node ID values in create+open operation * Sync with -mm: readv, writev, aio_read and aio_write methods added to file operations * Cleanups: lookup code, page offset calculation * ABI stepped to 7.4, changes: * frsize member added to fuse_kstatfs structure * added support for negative entry caching: on lowlevel API if fuse_entry_param::ino is set to zero in reply to a lookup request, the kernel will cache the dentry for the specified amount of time. * libfuse: added 'negative_timeout' option: specifies how much negative entries should be cached. Default is zero, to be compatible with prior versions 2005-11-22 Miklos Szeredi * Add detection of mainline FUSE code in running kernel 2005-11-21 Miklos Szeredi * Don't use async cancelation in multithreaded loop. This makes it more portable to systems where read() is not async cancel safe. Report from Andriy Gapon 2005-11-20 Miklos Szeredi * Warn if API version 11 compatibility is requested 2005-11-17 Miklos Szeredi * More FreeBSD merge * fusermount: don't allow mountpoints with '\n', '\t', or '\\' in them, because it corrupts /etc/mtab. Found by Thomas Biege CVE-2005-3531 * libfuse: don't use system() to invoke 'fusermount -u ...' because it breaks mountpoints with spaces in them into multiple arguments 2005-11-16 Miklos Szeredi * Merge library part of FreeBSD port. Patch by Csaba Henk 2005-11-11 Miklos Szeredi * Use 64bit type for file handle, so the full range supported by the kernel interface is available to applications 2005-11-10 Miklos Szeredi * Moved mountpoint argument checking from fuse_parse_cmdline() to fuse_mount() in preparation to FreeBSD merge. 2005-11-08 Miklos Szeredi * Remove unneeded close() from fuse_teardown(). Spotted by Csaba Henk. 2005-11-07 Miklos Szeredi * Make the statfs change backwards compatible. 2005-11-06 Miklos Szeredi * Change ->statfs() method to use 'struct statvfs' instead of 'struct statfs'. This makes the API more portable since statvfs() is defined by POSIX. 2005-10-28 Miklos Szeredi * Add fgetattr() method, which currently will only be called after a successful call to a create() method. 2005-10-26 Miklos Szeredi * Change kernel ABI version to 7.3 * Add ACCESS operation. This is called from the access() system call if 'default_permissions' mount option is not given, and is not called on kernels 2.4.* * Add atomic CREATE+OPEN operation. This will only work with 2.6.15 (presumably) or later Linux kernels. * Add ftruncate() method. This will only work with 2.6.15 (presumably) or later Linux kernels. * Fix kernel module compile if kernel source and build directories differ. Report and initial patch by John Eastman 2005-10-18 Miklos Szeredi * lib: optimize buffer reallocation in fill_dir. 2005-10-17 Miklos Szeredi * Released 2.4.1 2005-10-14 Miklos Szeredi * libfuse: add debug for write result (by Shaun Jackman) and warnings for too large read/write result 2005-10-11 Miklos Szeredi * Spelling fixes, thanks to Ioannis Barkas 2005-10-10 Miklos Szeredi * fuse_common.h: use extern "C". Thanks to Valient Gough for the patch 2005-10-07 Miklos Szeredi * highlevel-lib: init() and destroy() methods didn't have an initialized fuse_context. Bug reported by Tim Stoakes 2005-10-04 Miklos Szeredi * Released 2.4.0 2005-10-03 Miklos Szeredi * Add documentation to fuse_lowlevel.h * API cleanups: * Remove definitions of unused FATTR_CTIME / FUSE_SET_ATTR_CTIME * Move fuse_mount() and fuse_unmount() to fuse_common.h * Change the return type of fuse_reply_none() from int to void. 2005-09-30 Miklos Szeredi * kernel: NFS exporting leaked dentries. Bug found and fixed by Akshat Aranya. 2005-09-29 Miklos Szeredi * fusermount: fix error message, when unable to open /dev/fuse. Report by Balázs Pozsár 2005-09-28 Miklos Szeredi * UClibc fixes from Christian Magnusson 2005-09-27 Miklos Szeredi * Added NAME="%k" to util/udev.rules. Fix by Mattias Wadman. 2005-09-26 Miklos Szeredi * Released 2.4.0-rc1 2005-09-26 Miklos Szeredi * fusermount: allow user umount in the case when /etc/mtab is a symlink to /proc/mounts. Reported by Balázs Pozsár. 2005-09-23 Miklos Szeredi * Check for special node ID values in lookup and creation 2005-09-22 Miklos Szeredi * Slight optimization in returning EINVAL error in case of an open with O_DIRECT flag. 2005-09-20 Miklos Szeredi * Remove '--enable-auto-modprobe' configure flag. Module auto-loading is now handled by the kernel. 2005-09-15 Miklos Szeredi * Install UDEV rule file, so /dev/fuse is created with mode 0666. Help from Jens M. Noedler. 2005-09-14 Miklos Szeredi * Add memory cleanup on thread exit 2005-09-13 Miklos Szeredi * Set umask to zero in fusexmp and fusexmp_fh, so that files/directories are created with the requested mode. 2005-09-12 Miklos Szeredi * Don't ignore read error in multithreaded loop 2005-09-08 Miklos Szeredi * Released 2.4.0-pre2 2005-09-08 Miklos Szeredi * Revert lock and access operations. Postpone these until 2.5. 2005-09-02 Miklos Szeredi * Fix compile warning on 2.6.13 and later * Fix compilation on old kernels 2005-08-19 Miklos Szeredi * lib: always refresh directory contents after rewinddir() to conform to SUS. Bug found by John Muir. 2005-08-15 Miklos Szeredi * Released 2.4.0-pre1 2005-08-14 Miklos Szeredi * lib: cleaned up (or messed up, depending on your POV) the low level library API. Hopefully this is close to the final form. 2005-08-05 Miklos Szeredi * fusermount: don't allow empty mountpoint argument, which defeats automatic umounting in fuse_main(). Bugreport by Václav Jůza 2005-08-03 Miklos Szeredi * fix warnings in fuse.h and fuse_lowlevel.h if -Wshadow compiler option is used (Paul Alfille). 2005-08-02 Miklos Szeredi * highlevel-lib: added mount options "attr_timeout" and "entry_timeout". These options control the length of time file attributes and entries (names) are cached. Both default to 1.0 second. * kernel: correctly handle zero timeout for attributes and entries 2005-08-01 Miklos Szeredi * Added missing symbols to versionscript (Joshua J. Berry) * kernel: implement two flags, open can set: 'direct_io' and 'keep_cache'. These correspond exactly to mount options 'direct_io' and 'kernel_cache', but allow a per-open setting. * Move 'direct_io' and 'kernel_cache' mount option handling to userspace. For both mount options, if the option is given, then the respective open flag is set, otherwise the open flag is left unmodified (so the filesystem can set it). * lib (highlevel): make open method optional 2005-07-28 Miklos Szeredi * kernel: invalidate attributes for read/readdir/readlink operations * kernel: detect newer UML kernels 2005-07-26 Miklos Szeredi * Make the installation path of fuse.ko and mount.fuse configurable through INSTALL_MOD_PATH and MOUNT_FUSE_PATH environment variables. Requirement and help from Csaba Henk. 2005-07-22 Miklos Szeredi * Fix bug, that causes filesystem requests to hang when unique request counter becomes negative. This happens after 2,147,483,648 operations, so most people won't care. Thanks to Franco Broi for the report and testing. 2005-07-21 Miklos Szeredi * Don't change mtime/ctime/atime to local time on read/write. Bug reported by Ben Grimm * Install fuse_common.h and fuse_lowlevel.h. Report by Christian Magnusson * fusermount: use getopt_long() for option parsing. It allows the use of '--' to stop argument scanning, so fusermount can now operate on directories whose names begin with a '-'. Patch by Adam Connell 2005-07-15 Miklos Szeredi * fusermount: add '-v', '--version' and '--help' options * add inode based API 2005-07-12 Miklos Szeredi * lib: don't block signals in worker threads. Problem noticed by Usarin Heininga 2005-07-07 Miklos Szeredi * lib: don't allow both 'allow_other' and 'allow_root' options to be given 2005-07-06 Miklos Szeredi * fusermount: check if mountpoint is empty (only '.' and '..' for directories, and size = 0 for regular files). If "nonempty" option is given, omit this check. This is useful, so users don't accidentally hide data (e.g. from backup programs). Thanks to Frank van Maarseveen for pointing this out. * kernel: check if mandatory mount options ('fd', 'rootmode', 'user_id', 'group_id') are all given * lib: simplify 'readdir_ino' handling * lib: add mount options 'umask=M', 'uid=N', 'gid=N' 2005-07-03 Miklos Szeredi * kernel: clean up 'direct_io' code 2005-06-28 Miklos Szeredi * Add 'mount.fuse' written by Petr Klima * '/dev/fuse' is created by 'make install' if does not yet exist 2005-06-20 Miklos Szeredi * Fix UCLIBC compile error. Patch by Christian Magnusson 2005-06-08 Miklos Szeredi * Enable the auto-loading of the module via access to the corresponding device file. Patch by Takashi Iwai. * Allow mounting a regular file (over a regular file) for unprivleged users. * Do not create temporary device file. Require "/dev/fuse" to exist, and be readable/writable by the mounting user. 2005-06-02 Miklos Szeredi * Released 2.3.0 2005-06-02 Miklos Szeredi * Fix serious information leak: if the filesystem returns a short byte count to a read request, and there are non-zero number of pages which are not filled at all, these pages will not be zeroed. Hence the user can read out previous memory contents. Found by Sven Tantau. 2005-05-27 Miklos Szeredi * Add "readdir_ino" mount option, which tries to fill in the d_ino field in struct dirent. This mount option is ignored if "use_ino" is used. It helps some programs (e.g. 'pwd' used over NFS from a non-Linux OS). Patch by David Shaw. 2005-05-12 Miklos Szeredi * Released 2.3-rc1 2005-05-12 Miklos Szeredi * File save in krusader and other editors doesn't work with sshfs, because open() is interrupted by a periodic signal, and open() restarts forever, without any progress. This could just be fixed in open(), but the problem is more generic: if signals are received more often than the filesystem can get the request to userspace, it will never finish. This is probably only a theoretical problem, nevertheless I'm removing the possibility to interrupt requests with anything other than SIGKILL, even before being sent to userspace. Bugreport by Eduard Czimbalmos. 2005-05-09 Miklos Szeredi * libfuse: add "tree_lock" rwlock, that is locked for write in rename, unlink and rmdir, and locked for read in all other operations. This should fix the rename/release race reported by Valient Gough and others. The solution is very coarse, a finer grained locking scheme could be implemented, but it would be much more complex. Let's see whether this is good enough. 2005-05-09 Miklos Szeredi * Released 2.3-pre7 2005-05-08 Miklos Szeredi * Better fix for out of order FORGET messages. Now the LOOKUP/FORGET messages are balanced exactly (one FORGET can balance many lookups), so the order no longer matters. This changes the kernel ABI slightly, but the library remains backward compatible. 2005-05-06 Miklos Szeredi * Fix abort for out of order FORGET messages. Again. Spotted by Franco Broi again. Sorry :) 2005-04-29 Miklos Szeredi * Released 2.3-pre6 2005-04-29 Miklos Szeredi * Make fusermount work with fuse kernel modules not yet supporting the "group_id" option (added for the purpose of stricter permission checking). 2005-04-28 Miklos Szeredi * Check for hard-linked directories in lookup. This could cause problems in the VFS, which assumes that such objects never exist. * Make checking of permission for other users more strict. Now the same privilege is required for the mount owner as for ptrace on the process performing the filesystem operation. 2005-04-23 Miklos Szeredi * Released 2.3-pre5 2005-04-22 Miklos Szeredi * Add -msoft-float to kernel module compile flags for 2.4.X. This is needed on certain architectures. Report from Chris Kirby * Fix buggy behavior of open(..., O_CREAT|O_EXCL) if interrupted. Reported by David Shaw * Remove "allow_root" option from kernel module, and implement it's functionality in the library * Fix Oops caused by premature release of fuse_conn. Clean up related code, to be more readable * Sendfile should not use page cache if "direct_io" mount option is given 2005-04-08 Miklos Szeredi * Fix Oops in case of nfs export. Spotted by David Shaw * Fix another Oops in case of write over nfs with direct_io turned on. Again spotted by David Shaw 2005-04-07 Miklos Szeredi * Released 2.3-pre4 2005-04-07 Miklos Szeredi * lib: finalized new readdir() interface, which now supersedes the getdir() method. 2005-04-03 Miklos Szeredi * Released 2.3-pre3 2005-04-03 Miklos Szeredi * Implement backward compatibility with version 5 kernel ABI 2005-04-01 Miklos Szeredi * Released 2.3-pre2 2005-04-01 Miklos Szeredi * kernel: fix dirent offset handling * lib: add readdir and releasedir methods * lib: use fh field of fuse_file_info in opendir, readdir, releasedir and fsyncdir methods * lib: check kernel API version and bail out of it's old. This will be properly fixed in the next release 2005-03-31 Miklos Szeredi * Released 2.3-pre1 2005-03-31 Miklos Szeredi * kernel API: add padding to structures, so 64bit and 32bit compiler will return the same size * kernel API: add offset field to fuse_dirent. This will allow more sophisticated readdir interface for userspace * kernel API: change major number to 6 * kernel: fix warnings on 64bit archs * kernel: in case of API version mismatch, return ECONNREFUSED 2005-03-24 Miklos Szeredi * kernel: trivial cleanups 2005-03-21 Miklos Szeredi * Add fsyncdir() operation 2005-03-19 Miklos Szeredi * kernel: add locking to background list (fixes previous fix) 2005-03-18 Miklos Szeredi * kernel: fix bug which could cause leave busy inodes after unmount, and Oops. 2005-03-08 Miklos Szeredi * examples: add -lpthread to link flags to work around valgrind quirk * lib: don't exit threads, so cancelation doesn't cause segfault 2005-03-04 Miklos Szeredi * kernel: fix nasty bug which could cause an Oops under certain situations. Found by Magnus Johansson 2005-02-28 Miklos Szeredi * libfuse: added opendir() method. This can be used in case permission checking in getdir() is too late. Thanks to Usarin Heininga for pointing out this deficiency * libfuse: added init() and destroy() methods to fuse_operations * kernel: llseek() method for files and directories made explicit * kernel: fixed inode leak in NFS export in case of nodeid wrapping 2005-02-15 Miklos Szeredi * libfuse: clean up some unitialized memory found with valgrind * Add -lpthread to Libs in fuse.pc. Valgrind seems to need an explicitly linked libpthread for applications 2005-02-10 Miklos Szeredi * fusermount: set umask, otherwise /etc/mtab will have unpredictable permission. Spotted by Jindrich Kolorenc * fusermount: set owner and group of /etc/mtab to original values on unmount * libfuse: add 'use_ino' option to help. Patch by Valient Gough 2005-02-07 Miklos Szeredi * Cleaned up directory reading (temporary file is not used) 2005-02-02 Miklos Szeredi * Released 2.2 2005-02-02 Miklos Szeredi * Fix possible race when operation is interrupted 2005-01-28 Miklos Szeredi * Fix compilation on 2.6.7 2005-01-26 Miklos Szeredi * Released 2.2-pre6 2005-01-26 Miklos Szeredi * Fix bug in link() operation which caused the wrong path to be passed as the first argument. Found by Anton Altaparmakov 2005-01-21 Miklos Szeredi * LIB: fix double reply in readdir operation * fusermount: fix uid checking bug. Patch by Adam Connell * KERNEL: fix compile on various RedHat patched 2.4 kernels. Patch by Keshava Gowda 2005-01-20 Miklos Szeredi * KERNEL: provide correct llseek semantics for fuse device (fixes a bug on Progeny 2.4.20 kernel). Reported by Valient Gough 2005-01-20 Miklos Szeredi * Released 2.2-pre5 (matches kernel 2.6.11-rc1-mm2) 2005-01-18 Miklos Szeredi * KERNEL ABI: remove GETDIR operation, and add OPENDIR, READDIR and RELEASEDIR. This ends the ugly hack of passing a file descriptor to the kernel, and actually makes the code simpler. 2005-01-17 Miklos Szeredi * Released 2.2-pre4 2005-01-17 Miklos Szeredi * fusermount: remove capability setting, which was the cause of problems for some users. It seems that FS related capabilities are removed by setfsuid(), so this isn't even needed. 2005-01-15 Miklos Szeredi * fix compilation on 2.4 kernels (reported by Valient Gough) * fix failure to unmount bug (found by David Shaw) * fusermount: improve parsing of /etc/fuse.conf 2005-01-13 Miklos Szeredi * Remove 'mount_max' and 'user_allow_other' module options. These are now checked by fusermount, and can be set in /etc/fuse.conf * KERNEL: change check for fsid == 0 to capable(CAP_DAC_OVERRIDE) 2005-01-11 Miklos Szeredi * KERNEL: fix possible inode allocation problem, where sizeof(struct inode) is not aligned (found by Mike Waychison) * KERNEL: use new follow_link/put_link methods * KERNEL: cosmetic fixes 2005-01-10 Miklos Szeredi * Released 2.2-pre3 2005-01-10 Miklos Szeredi * Add missing code that was accidently left out 2005-01-09 Miklos Szeredi * Released 2.2-pre2 2005-01-09 Miklos Szeredi * Change "uid" mount option to "user_id" to avoid confusion with a mount option "uid" commonly used by many filesystems 2005-01-09 Miklos Szeredi * Released 2.2-pre1 2005-01-09 Miklos Szeredi * If FUSE is configured in the kernel, don't build it by default 2005-01-07 Miklos Szeredi * Compile fix by Christian Magnusson 2005-01-05 Miklos Szeredi * Fix compilation for 2.6.{0-5} kernels 2005-01-04 Miklos Szeredi * KERNEL: if request is interrupted, still keep reference to used inode(s) and file, so that FORGET and RELEASE are not sent until userspace finishes the request. * remove /{sys,proc}/fs/fuse/version, and instead add an INIT request with the same information, which is more flexible, simpler, works on embedded systems. 2004-12-16 Miklos Szeredi * KERNEL ABI: update interface to make it independent of type sizes. This will help on 64 bit architectures which can run legacy 32 bit applications. * KERNEL ABI: add "len" field to request headers. This will allow sending/receiving requests in multiple chunks. * KERNEL: handle file type change more intelligently * LIB: "-o debug" option should disable backgrounding (fix by Fabien Reygrobellet) 2004-12-13 Miklos Szeredi * KERNEL: invalidate dentry/attributes if interrupted request could leave filesystem in an unknown state. 2004-12-12 Miklos Szeredi * KERNEL: lots of cleanups related to avoiding possible deadlocks. These will cause some regressions, but stability is considered more important. If any of these features turns out to be important, it can be readded with the deadlock problems addressed. * Make all requests interruptible (only with SIGKILL currently). This can be used to break any deadlock produced by the userspace filesystem accessing it's own exported files. The RELEASE request is special, because if it's interrupted before sending it to userspace it is still sent, but the reply is not awaited. * If request is interrupted before being sent to userspace, and if it hasn't yet got any side effects, it is always restarted, regardless of the SA_RESTART flag. This makes these interruptions transparent to the process. * Remove shared-writable mmap support, which was prone to an out-of-memory deadlock situation * Remove INVALIDATE userspace initiated request * Make readpages() synchronous. Asynchronous requests are deadlock prone, since they cannot be interrupted. * Add readv/writev support to fuse device operations * Remove some printks, which userspace FS can use for a DoS against syslog * Remove 'large_read' mount option from 2.6 in kernel, check it in fusermount instead * LIB: improve compatibility with a fuse.h header installed in ${prefix}/include which in turn includes the real header. * LIB: improve compatibility by defining fuse_main() (which is now not used), so old configure scripts find it. 2004-12-10 Miklos Szeredi * When mounting on a subdirectory of / don't duplicate slashes at the beggining of path (spotted by David Shaw) 2004-12-09 Miklos Szeredi * Fix bug causing garbage in mount options (spotted by David Shaw) 2004-12-07 Miklos Szeredi * Add 'writepage' flag to 'fuse_file_info'. * More comments in fuse.h * Get rid of double underscores 2004-12-04 Miklos Szeredi * Add -D_FILE_OFFSET_BITS=64 to cflags provided by pkg-config * helper.c: add -ho option, which only displays the options not the usage header. This can be used by filesystems which have their own options. 2004-12-03 Miklos Szeredi * Add source compatibility to 2.1 and 1.1 APIs. To select betwen versions simply define FUSE_USE_VERSION to 22, 21 or 11 before including the fuse header * Add binary compatibility to 2.1 version of library with symbol versioning 2004-12-03 Miklos Szeredi * Released 2.1 2004-12-01 Miklos Szeredi * kernel: clean up writing functions * kernel: no allocation on write in direct_io mode * move linux/fuse.h to fuse_kernel.h 2004-11-30 Miklos Szeredi * kernel: clean up reading functions 2004-11-29 Miklos Szeredi * kernel: make readpage() uninterruptible * kernel: check readonly filesystem flag in fuse_permission * lib: don't die if version file not found and new style device exists * lib: add '-r' option, which is short for '-o ro' * fusermount: simplify device opening * kernel: when direct_io is turend on, copy data directly to destination without itermediate buffer. More efficient and safer, since no allocation is done. * fusermount: fix warning if fuse module is not loaded * kernel: use /dev/fuse on 2.4 too 2004-11-26 Miklos Szeredi * libfuse API change: open, read, write, flush, fsync and release are passed a 'struct fuse_file_info' pointer containing the open flags (open and release), and the file handle. Verion changed to 3.0. 2004-11-23 Miklos Szeredi * More cleanups in the kernel * The 10,229 charater device number has been assigned for FUSE * Version file checking fix (reported by Christian Magnusson) * fusermount: opening the fuse device now doesn't need /sys. * Optimize reading by controlling the maximum readahead based on the 'max_read' mount option * fixes for UCLIBC (Christian Magnusson) 2004-11-19 Miklos Szeredi * Cleaned up kernel in preparation for merge into mainline: * Use /sys/fs/fuse/version instead of /proc/fs/fuse/version * Use real device (/dev/fuse) instead of /proc/fs/fuse/dev * __user annotations for sparse * allocate individual pages instead of kmalloc in fuse_readdir, fuse_read and fuse_write. * Fix NFS export in case "use_ino" mount option is given * Make libfuse and fusermount compatible with future versions * fusermount: properly add mount options to /etc/mtab 2004-11-15 Miklos Szeredi * fusermount: do not resolve last component of mountpoint on if it is '.' or '..'. This new path resolvation is now done on mount as well as unmount. This enables relative paths to work on unmount. * fusermount: parse common mount options like "ro", "rw", etc... * Allow module params to be changed through sysfs 2004-11-14 Miklos Szeredi * Released 2.1-pre1 2004-11-14 Miklos Szeredi * Fix bug in fuse_readpages() causing Oops in certain situations. Bug found by Vincenzo Ciancia. * Fix compilation with kernels versions > 2.6.9. 2004-11-11 Miklos Szeredi * Check kernel interface version in fusermount to prevent strangeness in case of mismatch. * No need to allocate fuse_conn until actual mount happens * Fix potential race between umount and fuse_invalidate * Check superblock of proc file in addition to inode number * Fix race between request_send_noreply() and fuse_dev_release() 2004-11-10 Miklos Szeredi * Separate configure for the kernel directory * Don't allow write to return more than 'count' * Extend kernel interface for future use 2004-11-09 Miklos Szeredi * Fix 'makeconf.sh' to use autoreconf if available 2004-11-08 Miklos Szeredi * Add ino argument to 'fuse_dirfil_t'. NOTE: This breaks source compatibility with earlier versions. To compile earier versions just add '-DFUSE_DIRFIL_COMPAT' compile flag or fix the source. Do not use the "use_ino" mount flag with filesystems compiled with FUSE_DIRFIL_COMPAT. * Add pkg-config support. To compile a FUSE based filesystem you can do "gcc -Wall `pkg-config --cflags --libs fuse` myfs.c -o myfs" or similar. Note, that the PKG_CONFIG_PATH environment variable usually needs to be set to "/usr/local/lib/pkgconfig". * fuse.h is now installed in ${prefix}/include/fuse/ 2004-11-02 Miklos Szeredi * Added "use_ino" mount option. This enables the filesystems to set the st_ino field on files 2004-11-01 Miklos Szeredi * Fix compile problems with ancient (<=2.4.18) kernels (reported by Jeremy Smith) * Add "allow_root" mount option. Patch by Yaroslav Rastrigin * Clear the 'exited' flag when mail loop is finished 2004-10-28 Miklos Szeredi * Make xattr functions work under 2.6 (bug found by Vincenzo Ciancia) 2004-10-26 Miklos Szeredi * Reset request in fuse_flush() (bugreport by David Shaw) 2004-10-21 Miklos Szeredi * fuse_main() now does not exit on error, rather it returns an error code * Exported __fuse_setup() and __fuse_teardown() functions, which make it easier to implement a custom event loop. * Use daemon() call to background the filesystem after mounting. This function closes the standard input, output and error and changes the current working directory to "/". 2004-10-14 Miklos Szeredi * Released 1.9 2004-10-09 Miklos Szeredi * Don't allow fuse_flush() to be interrupted (bug found by David Shaw) 2004-09-27 Miklos Szeredi * Add PID to fuse_context. Patch by Steven James * Change file handle type to 'unsigned long' in kernel interface 2004-09-22 Miklos Szeredi * A slight API change: fuse_get_context() doesn't need the "fuse" pointer, but the returned context contains it instead. The fuse_get() function is not needed anymore, so it's removed. * Fix mounting and umounting FUSE filesystem under another FUSE filesystem by non-root (bug spotted by Valient Gough) 2004-09-21 Miklos Szeredi * Fix deadlock in case of memory allocation failure. Patch by Christian Magnusson 2004-09-16 Miklos Szeredi * Check memory allocation failures in libfuse 2004-09-14 Miklos Szeredi * Check temporary file creation failure in do_getdir(). Bug spotted by Terje Oseberg 2004-09-13 Miklos Szeredi * Allow "large_read" option for 2.6 kernels but warn of deprecation * Make requests non-interruptible so race with FORGET is avoided. This is only a temporary solution * Support compiling FUSE kernel module on 2.4.x UML kernels 2004-09-09 Miklos Szeredi * Fix bug in case two FORGETs for the same node are executed in the wrong order. Bug spotted and endured for months by Franco Broi, and logfile for solution provided by Terje Oseberg 2004-09-01 Miklos Szeredi * Add -D_REENTRANT to the compile flags * Add documentation of fuse internals by Terje Oseberg 2004-08-16 Miklos Szeredi * Change release method to be non-interruptible. Fixes bug causing missing release() call when program which has opened files is killed (reported by Franco Broi and David Shaw) 2004-07-29 Miklos Szeredi * Add fuse_invalidate() to library API 2004-07-26 Miklos Szeredi * Check permissions in setattr if 'default_permissions' flag is set. Bug spotted by Damjan Lango 2004-07-24 Miklos Szeredi * 'large_read' mount option removed for 2.6 kernels, since the default (dynamic read size) is better * Extend kernel API with file handles. A file handle is returned by open, and passed to read, write, flush, fsync and release. This is currently only used for debug output in the library. * Security changes: * Change the current directory to the mountpoint before checking the permissions and mount filesystem on "." * By default don't modprobe the fuse module for non-root. The old behavior can be restored with the '--enable-auto-modprobe' flag of ./configure * By default don't allow shared writable mappings for non-root. The old behavior can be restored with the 'user_mmap=1' module parameter 2004-07-23 Miklos Szeredi * Clean up mount option passing to fusermount and to fuse_new() BEWARE: this changes the userspace API slightly, and the command line usage of programs using fuse_main() 2004-07-20 Miklos Szeredi * Optimize reading under 2.6 kernels by issuing multiple page asynchronous read requests 2004-07-18 Miklos Szeredi * Only use redirty_page_for_writepage() for kernels >= 2.6.6 2004-07-16 Miklos Szeredi * Separate directory entry and inode attribute validity timer * New write semaphore to stop page writeback during truncate * Fsync now waits for all writes to complete before sending the request * Optimization: if a page is completely written by fuse_commit_write(), clear the dirty flag and set the uptodate flag for that page * Some memory cleanup at exit 2004-07-13 Miklos Szeredi * Add FUSE_HARD_REMOVE flag, and '-i' option to fuse main, which disable the "hide if open" behavior of unlink/rename. * If temporary buffer allocation fails in raw read, fall back to a smaller buffer 2004-07-12 Miklos Szeredi * Fix bug in do_open() in libfuse: open count was incremented after the reply is sent so it could race with unlink/forget and cause an abort. 2004-07-08 Miklos Szeredi * When performing create or remove operation, refresh the parent's attributes on next revalidate, as i_nlink (and maybe size/time) could be inacurate. * Use redirty_page_for_writepage() in fuse_writepage() for skipped pages (2.6 only) * Set set_page_dirty address space operation (2.6 only) 2004-07-06 Miklos Szeredi * Minor fix in read: print debug info even if read size is zero 2004-07-04 Miklos Szeredi * Fix race between truncate and writepage (fsx-linux now runs without error) 2004-07-02 Miklos Szeredi * Fix kernel hang on mkfifo under 2.4 kernels (spotted and patch by Mattias Wadman) * Added option for direct read/write (-r) * Fix revalidate time setting for newly created inodes * Remove uid==0 check for '-x' option in fusermount (kernel checks this) * fuse_main() only installs handlers for signals (out of INT, HUP, TERM, PIPE), for which no handler has yet been installed * Add module option 'user_allow_other' which if set to non-zero will allow non root user to specify the 'allow_other' mount option ('-x' option of fusermount) * Fix deadlock between page writeback completion and truncate (bug found by Valient Gough with the fsx-linux utility) 2004-07-01 Miklos Szeredi * Change passing fuse include dir to 2.6 kernel make system more robust (fixes compile problems seen on SuSE 9.1 with updated 2.6 kernel) 2004-06-30 Miklos Szeredi * Acquire inode->i_sem before open and release methods to prevent concurrent rename or unlink operations. * Make __fuse_read_cmd() read only one command. This allows multiplexing the fuse file descriptor with other event sources using select() or poll() (patch by Jeff Harris) * Export 'exited' flag with __fuse_exited() (patch by Jeff Harris) 2004-06-27 Miklos Szeredi * Fix file offset wrap around at 4G when doing large reads 2004-06-24 Miklos Szeredi * Fix memory leak in open (Valient Gough) 2004-06-24 Miklos Szeredi * Add "close after delete" support to libfuse (patch by Valient Gough) * Cancel all worker threads before exit in multithreaded mode 2004-06-23 Miklos Szeredi * Fix locking bugs * Don't send reply to RELEASE * Work with newer libtool (1.5a) * Check for st_atim member of struct stat 2004-06-22 Miklos Szeredi * No request allocation needed on inode and file release 2004-06-21 Miklos Szeredi * Fix possible inode leak in userspace in case of unfinished lookup/mknod/mkdir/symlink/link operation. 2004-06-20 Miklos Szeredi * Fix some races and cleanups in fuse_read_super() 2004-06-19 Miklos Szeredi * Requests are allocated at open time 2004-06-03 Miklos Szeredi * Build shared library as well as static (using libtool) * Change FUSE_MINOR_VERSION from 1 to 0. I know it's illegal but there has not been a release with the previous minor number, and I hope nobody is using it for anything. * Change fuse_main(), so that default behavior is to go into background if mount is successful. '-f' and '-d' options disable backgrounding. This fixes the "Why does my FUSE daemon hang?" newbie complaint. * Cache ENOSYS (function not implemented) errors on *xattr, flush and fsync * Don't call getdir method from open() only from first readdir(). Open is sometimes just used to store the current directory (e.g. find) 2004-05-18 Miklos Szeredi * Added flush() call 2004-05-04 Miklos Szeredi * Extended attributes support for 2.4 (patch by Cody Pisto) 2004-04-20 Miklos Szeredi * Fixed parser with modversions (Mattias Wadman) 2004-04-19 Miklos Szeredi * Added mount option parser to 2.4 build 2004-04-13 Miklos Szeredi * Replaced binary mount data with text options * Show FUSE specific mount options in /proc/mounts * Check in fuse.h whether _FILE_OFFSET_BITS is set to 64 2004-04-09 Miklos Szeredi * Check some limits so userspace won't get too big requests 2004-04-05 Miklos Szeredi * Kill compile warning * Upgraded user-mount patch for 2.6.5 2004-04-02 Miklos Szeredi * Add detection of user-mode-linux to configure 2004-03-31 Miklos Szeredi * fixed zero size case for getxattr and listxattr 2004-03-30 Miklos Szeredi * new fusermount flag '-z': lazy unmount, default is not lazy * Extended attributes operations added (getxattr, setxattr, listxattr, removexattr) 2004-03-25 Miklos Szeredi * If filesystem doesn't define a statfs operation, then an all-zero default statfs is returned instead of ENOSYS 2004-03-24 Miklos Szeredi * Add FS_BINARY_MOUNTDATA filesystem flag for kernels > 2.6.4 2004-03-09 Miklos Szeredi * Fix for uClinux (Christian Magnusson) 2004-03-02 Miklos Szeredi * fuse_main() adds "-n progname" to the fusermount command line * More kernel interface changes: * Lookup/getattr return cache timeout values 2004-02-25 Miklos Szeredi * Clean up option parsing in fuse_main() * Added fuse_get() function which returns the fuse object created by fuse_main() 2004-02-20 Miklos Szeredi * removed old way of mounting (fusermount mountpoint program) * more kernel interface changes: * added nanosecond precision to file times * removed interface version from mount data * added /proc/fs/fuse/version which contains MAJOR.MINOR 2004-02-19 Miklos Szeredi * statfs library API changed to match other methods. Since this is not backward compatible FUSE_MAJOR_VERSION is changed to 2 * kernel interface changes follow: * statfs changed to 64 bits, added 'bavail' field * add generation number to lookup result * optimized mknod/mkdir/symlink/link (no separate lookup is needed) * rdev size increased to 32 bits for mknod * kernel interface version changed to 3.1 2004-02-18 Miklos Szeredi * user-mount upgraded for 2.6.3 kernel 2004-02-17 Miklos Szeredi * Added user-mount.2.6.2-rc3.patch * Add FS_SAFE flag to fuse filesystem * fusermount should allow (un)mounting for non-root even if not suid-root 2004-02-12 Miklos Szeredi * Remove MS_PERMISSION mount flag (that means something else now) 2004-02-10 Miklos Szeredi * Added check for i_size_read/write functions to configure.in (patch by Valient Gough) 2004-02-06 Miklos Szeredi * Fixed writing >= 2G files * Check file size on open (with generic_file_open()) * Readpage calls flush_dcache_page() after storing data * Use i_size_read/write for accessing inode->i_size * Make loopback mount of a fuse file work 2004-02-04 Miklos Szeredi * Released 1.1 2004-01-29 Miklos Szeredi * Properly check if the inode exists in fuse_invalidate 2004-01-27 Miklos Szeredi * Added -q option for fusermount * fuse_unmount() now uses -q option of fusermount, so no error is printed if the cause of the program exit is that the filesystem has already been unmounted * Fix i_nlink correctness after rmdir/unlink 2004-01-26 Miklos Szeredi * Released 1.1-pre2 2004-01-26 Miklos Szeredi * Fix typo (thanks Marcos Dione) * Compile fixes for 2.4 kernels 2004-01-23 Miklos Szeredi * Fix CONFIG_MODVERSIONS compile on 2.6 2004-01-22 Miklos Szeredi * Write all pending data before a RELEASE operation * Suppress 'Bad file descriptor' warning on exit * Replaced fusermount option '-d xxx' with '-n xxx' so it doesn't get confused with '-d' of fuse_main() (sorry about this change) * New fusermount option '-l' which enables big reads. Big reads are now disabled by default. * fuse_main() can accept fusermount arguments after a '--' 2004-01-19 Miklos Szeredi * Support for exporting filesystem over NFS (see README.NFS) 2004-01-14 Miklos Szeredi * Support non-blocking writepage on 2.6. This makes FUSE behave much more nicely in low-memory situations * Fix 32-bit dev handling in getattr and mknod for 2.6 kernels. (Note: the mknod method does not yet use 32bit device number) 2004-01-13 Miklos Szeredi * Code cleanups 2004-01-07 Miklos Szeredi * Released 1.1-pre1 2004-01-06 Miklos Szeredi * Integrated 2.6 kernel support patch by Michael Grigoriev * Improvements and cleanups for 2.6 kernels 2004-01-05 Miklos Szeredi * Added -d option to fusermount 2003-12-15 Miklos Szeredi * Added major+minor version to library API, and minor version to kernel API 2003-12-13 David McNab * Implemented fsync support in examples/example.py * Implemented 'fsync' and 'statfs' methods in python interface 2003-12-12 Miklos Szeredi * Make it compile on 2.4.19. * Add fsync operation (write file failed on xemacs & vi) 2003-12-12 David McNab * Added distutils support to the python module, as per standard python development practice 2003-12-11 Miklos Szeredi * Add file locking for mount/unmount (based on patch by Valient Gough) 2003-12-11 David McNab * Python filesystem - was broken with python2.3, now fixed: - changed PyTuple_* calls to PySequence_*, because os.lstat is no longer returning a pure tuple - changed PyInt_Check() calls to also call PyLong_Check, to cover for cases (eg os.lstat) where longs are returned - Added support for file 'release' handling, which IMO is essential since this signals to a FS that writes to a file are complete (and therefore the file can now be disposed of meaningfully at the python filesystem's discretion) - Added '__init__' handler to base Fuse class, which allows your Python class to know the mountpoint and mount args, as attributes myfs.mountpoint, myfs.optlist, myfs.optdict * General: - added 'mount.fuse' script (in util/ dir), which is meant to be symlinked from /sbin, and which allows FUSE filesystems to be mounted with the 'mount' command, and listed in fstab; also, mount arguments get passed to your filesystem 2003-11-04 Miklos Szeredi * Fix kernel version detection (again). Bugreport by Peter Levart 2003-11-03 Miklos Szeredi * Applied read combining patch by Michael Grigoriev (tested by Valient Gough and Vincent Wagelaar) 2003-10-22 Miklos Szeredi * Mtab handling fix in fusermount by "Valient Gough" (SF patch #766443) 2003-10-13 Miklos Szeredi * Error code fixes in kernel module 2003-10-04 Miklos Szeredi * kernel version detection fix * fusermount now uses "lazy" umount option * fusermount can use modprobe with module-init-tools 2003-09-08 Miklos Szeredi * Integrated caching patch by Michael Grigoriev * Added "Filesystems" file with descriptions of projects using FUSE * Added patch by Michael Grigoriev to allow compliation of FUSE kernel module for 2.6 kernels 2003-06-02 Miklos Szeredi * And another spec-file fix by Achim Settelmeier 2003-05-26 Miklos Szeredi * Spec-file fix by Achim Settelmeier 2003-03-10 Miklos Szeredi * Fix umount oops (found by Samuli Kärkkäinen) 2003-03-05 Miklos Szeredi * Merge of fuse_redhat.spec and fuse.spec by Achim Settelmeier 2003-03-04 Miklos Szeredi * Updated fuse.spec file (Achim Settelmeier) 2003-02-19 Miklos Szeredi * Version 1.0 released 2003-02-12 Miklos Szeredi * SuSE compilation fix by Juan-Mariano de Goyeneche 2002-12-10 Miklos Szeredi * The release() VFS call is now exported to the FUSE interface 2002-12-05 Miklos Szeredi * 64 bit file offset fixes in the fuse kernel module * Added function 'fuse_exit()' which can be used to exit the main loop 2002-12-03 Miklos Szeredi * Added _FILE_OFFSET_BITS=64 define to fuse.h. Note, that this is an incompatible interface change. 2002-10-28 Miklos Szeredi * Portablility fix (bug reported by C. Chris Erway) 2002-10-25 Miklos Szeredi * Use Mark Glines' fd passing method for default operation instead of old reexec 2002-10-22 Miklos Szeredi * fix "Stale NFS file handle" bug caused by changes in 2.4.19 2002-10-22 Miklos Szeredi * fix incompatiblity with Red Hat kernels, with help from Nathan Thompson-Amato. 2002-04-18 Mark Glines * added an alternative to fuse_mount(), called fuse_mount_ioslave(), which does not need to reexec the FUSE program. * added a small helper util needed by fuse_mount_ioslave(). 2002-03-16 Mark Glines * use struct fuse_statfs everywhere possible to avoid problems with the headerfiles changing struct statfs member sizes 2002-03-01 Miklos Szeredi * Another RPM spec file for RedHat >= 7 by Ian Pilcher 2002-01-14 Miklos Szeredi * RPM support by Achim Settelmeier 2002-01-09 Miklos Szeredi * Version 0.95 released 2002-01-09 Miklos Szeredi * Revaidate all path components not just the last, this means a very small performance penalty for being more up-to-date. 2002-01-08 Miklos Szeredi * Update and fix python interface 2002-01-07 Mark Glines * Added statfs() support to kernel, lib, examples, and perl! 2001-12-26 Miklos Szeredi * Better cross compilation support * Ported to Compaq IPAQ 2001-12-20 Miklos Szeredi * Added function fuse_get_context() to library API (inspired by patch from Matt Ryan) * Added flags to fusermount and to kernel interface to control permission checking * Integrated fuse_set_operations() into fuse_new() 2001-12-08 Miklos Szeredi * Applied header protection + extern "C" patch by Roland Bauerschmidt 2001-12-02 Miklos Szeredi * Added perl bindings by Mark Glines 2001-11-21 Miklos Szeredi * Cleaned up way of mounting simple filesystems. * fuse_main() helper function added 2001-11-18 Miklos Szeredi * Optimized read/write operations, so that minimal copying of data is done 2001-11-14 Miklos Szeredi * Python bindings by Jeff Epler added 2001-11-13 Miklos Szeredi * Fixed vfsmount reference leak in fuse_follow_link * FS blocksize is set to PAGE_CACHE_SIZE, blksize attribute from userspace is ignored 2001-11-09 Miklos Szeredi * Started ChangeLog fuse-2.9.7/AUTHORS0000644000175000017500000000351012732044432010464 00000000000000Current Maintainer ------------------ Nikolaus Rath Past Maintainers ---------------- Miklos Szeredi (until 12/2015) Contributors ------------ CUSE has been written by Tejun Heo . Furthermore, the following people have contributed patches (autogenerated list): Anatol Pomozov Antonio SJ Musumeci Christopher Harrison Csaba Henk cvs2git <> Dalvik Khertel Daniel Thau David McNab David Sheets Emmanuel Dreyfus Enke Chen Eric Engestrom Eric Wong Fabrice Bauzac Feng Shuo Hendrik Brueckner Ikey Doherty Jan Blumschein Joachim Schiele Joachim Schiele John Muir Laszlo Papp Madan Valluri Mark Glines Max Krasnyansky Michael Grigoriev Miklos Szeredi Miklos Szeredi mkmm@gmx-topmail.de Natanael Copa Nikolaus Rath Olivier Blin Ratna_Bolla@dell.com Reuben Hawkins Richard W.M. Jones Riku Voipio Roland Bauerschmidt Sam Stuewe Sebastian Pipping therealneworld@gmail.com Winfried Koehler fuse-2.9.7/lib/0000755000175000017500000000000012732044660010246 500000000000000fuse-2.9.7/lib/mount_util.c0000644000175000017500000001726112732044227012537 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include "mount_util.h" #include #include #include #include #include #include #include #include #include #include #ifndef __NetBSD__ #include #endif #include #include #include #include #ifdef __NetBSD__ #define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0) #define mtab_needs_update(mnt) 0 #else static int mtab_needs_update(const char *mnt) { int res; struct stat stbuf; /* If mtab is within new mount, don't touch it */ if (strncmp(mnt, _PATH_MOUNTED, strlen(mnt)) == 0 && _PATH_MOUNTED[strlen(mnt)] == '/') return 0; /* * Skip mtab update if /etc/mtab: * * - doesn't exist, * - is a symlink, * - is on a read-only filesystem. */ res = lstat(_PATH_MOUNTED, &stbuf); if (res == -1) { if (errno == ENOENT) return 0; } else { uid_t ruid; int err; if (S_ISLNK(stbuf.st_mode)) return 0; ruid = getuid(); if (ruid != 0) setreuid(0, -1); res = access(_PATH_MOUNTED, W_OK); err = (res == -1) ? errno : 0; if (ruid != 0) setreuid(ruid, -1); if (err == EROFS) return 0; } return 1; } #endif /* __NetBSD__ */ static int add_mount(const char *progname, const char *fsname, const char *mnt, const char *type, const char *opts) { int res; int status; sigset_t blockmask; sigset_t oldmask; sigemptyset(&blockmask); sigaddset(&blockmask, SIGCHLD); res = sigprocmask(SIG_BLOCK, &blockmask, &oldmask); if (res == -1) { fprintf(stderr, "%s: sigprocmask: %s\n", progname, strerror(errno)); return -1; } res = fork(); if (res == -1) { fprintf(stderr, "%s: fork: %s\n", progname, strerror(errno)); goto out_restore; } if (res == 0) { char *env = NULL; sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); execle("/bin/mount", "/bin/mount", "--no-canonicalize", "-i", "-f", "-t", type, "-o", opts, fsname, mnt, NULL, &env); fprintf(stderr, "%s: failed to execute /bin/mount: %s\n", progname, strerror(errno)); exit(1); } res = waitpid(res, &status, 0); if (res == -1) fprintf(stderr, "%s: waitpid: %s\n", progname, strerror(errno)); if (status != 0) res = -1; out_restore: sigprocmask(SIG_SETMASK, &oldmask, NULL); return res; } int fuse_mnt_add_mount(const char *progname, const char *fsname, const char *mnt, const char *type, const char *opts) { if (!mtab_needs_update(mnt)) return 0; return add_mount(progname, fsname, mnt, type, opts); } static int exec_umount(const char *progname, const char *rel_mnt, int lazy) { int res; int status; sigset_t blockmask; sigset_t oldmask; sigemptyset(&blockmask); sigaddset(&blockmask, SIGCHLD); res = sigprocmask(SIG_BLOCK, &blockmask, &oldmask); if (res == -1) { fprintf(stderr, "%s: sigprocmask: %s\n", progname, strerror(errno)); return -1; } res = fork(); if (res == -1) { fprintf(stderr, "%s: fork: %s\n", progname, strerror(errno)); goto out_restore; } if (res == 0) { char *env = NULL; sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); if (lazy) { execle("/bin/umount", "/bin/umount", "-i", rel_mnt, "-l", NULL, &env); } else { execle("/bin/umount", "/bin/umount", "-i", rel_mnt, NULL, &env); } fprintf(stderr, "%s: failed to execute /bin/umount: %s\n", progname, strerror(errno)); exit(1); } res = waitpid(res, &status, 0); if (res == -1) fprintf(stderr, "%s: waitpid: %s\n", progname, strerror(errno)); if (status != 0) { res = -1; } out_restore: sigprocmask(SIG_SETMASK, &oldmask, NULL); return res; } int fuse_mnt_umount(const char *progname, const char *abs_mnt, const char *rel_mnt, int lazy) { int res; if (!mtab_needs_update(abs_mnt)) { res = umount2(rel_mnt, lazy ? 2 : 0); if (res == -1) fprintf(stderr, "%s: failed to unmount %s: %s\n", progname, abs_mnt, strerror(errno)); return res; } return exec_umount(progname, rel_mnt, lazy); } static int remove_mount(const char *progname, const char *mnt) { int res; int status; sigset_t blockmask; sigset_t oldmask; sigemptyset(&blockmask); sigaddset(&blockmask, SIGCHLD); res = sigprocmask(SIG_BLOCK, &blockmask, &oldmask); if (res == -1) { fprintf(stderr, "%s: sigprocmask: %s\n", progname, strerror(errno)); return -1; } res = fork(); if (res == -1) { fprintf(stderr, "%s: fork: %s\n", progname, strerror(errno)); goto out_restore; } if (res == 0) { char *env = NULL; sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); execle("/bin/umount", "/bin/umount", "--no-canonicalize", "-i", "--fake", mnt, NULL, &env); fprintf(stderr, "%s: failed to execute /bin/umount: %s\n", progname, strerror(errno)); exit(1); } res = waitpid(res, &status, 0); if (res == -1) fprintf(stderr, "%s: waitpid: %s\n", progname, strerror(errno)); if (status != 0) res = -1; out_restore: sigprocmask(SIG_SETMASK, &oldmask, NULL); return res; } int fuse_mnt_remove_mount(const char *progname, const char *mnt) { if (!mtab_needs_update(mnt)) return 0; return remove_mount(progname, mnt); } char *fuse_mnt_resolve_path(const char *progname, const char *orig) { char buf[PATH_MAX]; char *copy; char *dst; char *end; char *lastcomp; const char *toresolv; if (!orig[0]) { fprintf(stderr, "%s: invalid mountpoint '%s'\n", progname, orig); return NULL; } copy = strdup(orig); if (copy == NULL) { fprintf(stderr, "%s: failed to allocate memory\n", progname); return NULL; } toresolv = copy; lastcomp = NULL; for (end = copy + strlen(copy) - 1; end > copy && *end == '/'; end --); if (end[0] != '/') { char *tmp; end[1] = '\0'; tmp = strrchr(copy, '/'); if (tmp == NULL) { lastcomp = copy; toresolv = "."; } else { lastcomp = tmp + 1; if (tmp == copy) toresolv = "/"; } if (strcmp(lastcomp, ".") == 0 || strcmp(lastcomp, "..") == 0) { lastcomp = NULL; toresolv = copy; } else if (tmp) tmp[0] = '\0'; } if (realpath(toresolv, buf) == NULL) { fprintf(stderr, "%s: bad mount point %s: %s\n", progname, orig, strerror(errno)); free(copy); return NULL; } if (lastcomp == NULL) dst = strdup(buf); else { dst = (char *) malloc(strlen(buf) + 1 + strlen(lastcomp) + 1); if (dst) { unsigned buflen = strlen(buf); if (buflen && buf[buflen-1] == '/') sprintf(dst, "%s%s", buf, lastcomp); else sprintf(dst, "%s/%s", buf, lastcomp); } } free(copy); if (dst == NULL) fprintf(stderr, "%s: failed to allocate memory\n", progname); return dst; } int fuse_mnt_check_empty(const char *progname, const char *mnt, mode_t rootmode, off_t rootsize) { int isempty = 1; if (S_ISDIR(rootmode)) { struct dirent *ent; DIR *dp = opendir(mnt); if (dp == NULL) { fprintf(stderr, "%s: failed to open mountpoint for reading: %s\n", progname, strerror(errno)); return -1; } while ((ent = readdir(dp)) != NULL) { if (strcmp(ent->d_name, ".") != 0 && strcmp(ent->d_name, "..") != 0) { isempty = 0; break; } } closedir(dp); } else if (rootsize) isempty = 0; if (!isempty) { fprintf(stderr, "%s: mountpoint is not empty\n", progname); fprintf(stderr, "%s: if you are sure this is safe, use the 'nonempty' mount option\n", progname); return -1; } return 0; } int fuse_mnt_check_fuseblk(void) { char buf[256]; FILE *f = fopen("/proc/filesystems", "r"); if (!f) return 1; while (fgets(buf, sizeof(buf), f)) if (strstr(buf, "fuseblk\n")) { fclose(f); return 1; } fclose(f); return 0; } fuse-2.9.7/lib/fuse_i.h0000644000175000017500000000573012732044227011615 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #include "fuse.h" #include "fuse_lowlevel.h" struct fuse_chan; struct fuse_ll; struct fuse_session { struct fuse_session_ops op; int (*receive_buf)(struct fuse_session *se, struct fuse_buf *buf, struct fuse_chan **chp); void (*process_buf)(void *data, const struct fuse_buf *buf, struct fuse_chan *ch); void *data; volatile int exited; struct fuse_chan *ch; }; struct fuse_req { struct fuse_ll *f; uint64_t unique; int ctr; pthread_mutex_t lock; struct fuse_ctx ctx; struct fuse_chan *ch; int interrupted; unsigned int ioctl_64bit : 1; union { struct { uint64_t unique; } i; struct { fuse_interrupt_func_t func; void *data; } ni; } u; struct fuse_req *next; struct fuse_req *prev; }; struct fuse_notify_req { uint64_t unique; void (*reply)(struct fuse_notify_req *, fuse_req_t, fuse_ino_t, const void *, const struct fuse_buf *); struct fuse_notify_req *next; struct fuse_notify_req *prev; }; struct fuse_ll { int debug; int allow_root; int atomic_o_trunc; int no_remote_posix_lock; int no_remote_flock; int big_writes; int splice_write; int splice_move; int splice_read; int no_splice_write; int no_splice_move; int no_splice_read; struct fuse_lowlevel_ops op; int got_init; struct cuse_data *cuse_data; void *userdata; uid_t owner; struct fuse_conn_info conn; struct fuse_req list; struct fuse_req interrupts; pthread_mutex_t lock; int got_destroy; pthread_key_t pipe_key; int broken_splice_nonblock; uint64_t notify_ctr; struct fuse_notify_req notify_list; }; struct fuse_cmd { char *buf; size_t buflen; struct fuse_chan *ch; }; struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args, const struct fuse_operations *op, size_t op_size, void *user_data, int compat); int fuse_sync_compat_args(struct fuse_args *args); struct fuse_chan *fuse_kern_chan_new(int fd); struct fuse_session *fuse_lowlevel_new_common(struct fuse_args *args, const struct fuse_lowlevel_ops *op, size_t op_size, void *userdata); void fuse_kern_unmount_compat22(const char *mountpoint); int fuse_chan_clearfd(struct fuse_chan *ch); 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See the file COPYING.LIB */ #include "config.h" #include /* Versioned symbols cannot be used in some cases because it - confuse the dynamic linker in uClibc - not supported on MacOSX (in MachO binary format) */ #if (!defined(__UCLIBC__) && !defined(__APPLE__)) #define FUSE_SYMVER(x) __asm__(x) #else #define FUSE_SYMVER(x) #endif #ifndef USE_UCLIBC #define fuse_mutex_init(mut) pthread_mutex_init(mut, NULL) #else /* Is this hack still needed? */ static inline void fuse_mutex_init(pthread_mutex_t *mut) { pthread_mutexattr_t attr; pthread_mutexattr_init(&attr); pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); pthread_mutex_init(mut, &attr); pthread_mutexattr_destroy(&attr); } #endif #ifdef HAVE_STRUCT_STAT_ST_ATIM /* Linux */ #define ST_ATIM_NSEC(stbuf) ((stbuf)->st_atim.tv_nsec) #define ST_CTIM_NSEC(stbuf) ((stbuf)->st_ctim.tv_nsec) #define ST_MTIM_NSEC(stbuf) ((stbuf)->st_mtim.tv_nsec) #define ST_ATIM_NSEC_SET(stbuf, val) (stbuf)->st_atim.tv_nsec = (val) #define ST_MTIM_NSEC_SET(stbuf, val) (stbuf)->st_mtim.tv_nsec = (val) #elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC) /* FreeBSD */ #define ST_ATIM_NSEC(stbuf) ((stbuf)->st_atimespec.tv_nsec) #define ST_CTIM_NSEC(stbuf) ((stbuf)->st_ctimespec.tv_nsec) #define ST_MTIM_NSEC(stbuf) ((stbuf)->st_mtimespec.tv_nsec) #define ST_ATIM_NSEC_SET(stbuf, val) (stbuf)->st_atimespec.tv_nsec = (val) #define ST_MTIM_NSEC_SET(stbuf, val) (stbuf)->st_mtimespec.tv_nsec = (val) #else #define ST_ATIM_NSEC(stbuf) 0 #define ST_CTIM_NSEC(stbuf) 0 #define ST_MTIM_NSEC(stbuf) 0 #define ST_ATIM_NSEC_SET(stbuf, val) do { } while (0) #define ST_MTIM_NSEC_SET(stbuf, val) do { } while (0) #endif fuse-2.9.7/lib/mount_util.h0000644000175000017500000000132312676316315012543 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include int fuse_mnt_add_mount(const char *progname, const char *fsname, const char *mnt, const char *type, const char *opts); int fuse_mnt_remove_mount(const char *progname, const char *mnt); int fuse_mnt_umount(const char *progname, const char *abs_mnt, const char *rel_mnt, int lazy); char *fuse_mnt_resolve_path(const char *progname, const char *orig); int fuse_mnt_check_empty(const char *progname, const char *mnt, mode_t rootmode, off_t rootsize); int fuse_mnt_check_fuseblk(void); fuse-2.9.7/lib/Makefile.am0000644000175000017500000000202412732044574012224 00000000000000## Process this file with automake to produce Makefile.in AUTOMAKE_OPTIONS = subdir-objects AM_CPPFLAGS = -I$(top_srcdir)/include -DFUSERMOUNT_DIR=\"$(bindir)\" \ -D_FILE_OFFSET_BITS=64 -D_REENTRANT -DFUSE_USE_VERSION=26 lib_LTLIBRARIES = libfuse.la libulockmgr.la if BSD mount_source = mount_bsd.c else mount_source = mount.c mount_util.c mount_util.h endif if ICONV iconv_source = modules/iconv.c else iconv_source = endif libfuse_la_SOURCES = \ fuse.c \ fuse_i.h \ fuse_kern_chan.c \ fuse_loop.c \ fuse_loop_mt.c \ fuse_lowlevel.c \ fuse_misc.h \ fuse_mt.c \ fuse_opt.c \ fuse_session.c \ fuse_signals.c \ buffer.c \ cuse_lowlevel.c \ helper.c \ modules/subdir.c \ $(iconv_source) \ $(mount_source) libfuse_la_LDFLAGS = -pthread @libfuse_libs@ -version-number 2:9:7 \ -Wl,--version-script,$(srcdir)/fuse_versionscript if NETBSD libfuse_la_LIBADD = -lperfuse -lpuffs endif libulockmgr_la_SOURCES = ulockmgr.c libulockmgr_la_LDFLAGS = -pthread -version-number 1:0:1 EXTRA_DIST = fuse_versionscript fuse-2.9.7/lib/modules/0000755000175000017500000000000012732044660011716 500000000000000fuse-2.9.7/lib/modules/iconv.c0000644000175000017500000003760112732044227013126 00000000000000/* fuse iconv module: file name charset conversion Copyright (C) 2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #define FUSE_USE_VERSION 26 #include #include #include #include #include #include #include #include #include #include struct iconv { struct fuse_fs *next; pthread_mutex_t lock; char *from_code; char *to_code; iconv_t tofs; iconv_t fromfs; }; struct iconv_dh { struct iconv *ic; void *prev_buf; fuse_fill_dir_t prev_filler; }; static struct iconv *iconv_get(void) { return fuse_get_context()->private_data; } static int iconv_convpath(struct iconv *ic, const char *path, char **newpathp, int fromfs) { size_t pathlen; size_t newpathlen; char *newpath; size_t plen; char *p; size_t res; int err; if (path == NULL) { *newpathp = NULL; return 0; } pathlen = strlen(path); newpathlen = pathlen * 4; newpath = malloc(newpathlen + 1); if (!newpath) return -ENOMEM; plen = newpathlen; p = newpath; pthread_mutex_lock(&ic->lock); do { res = iconv(fromfs ? ic->fromfs : ic->tofs, (char **) &path, &pathlen, &p, &plen); if (res == (size_t) -1) { char *tmp; size_t inc; err = -EILSEQ; if (errno != E2BIG) goto err; inc = (pathlen + 1) * 4; newpathlen += inc; tmp = realloc(newpath, newpathlen + 1); err = -ENOMEM; if (!tmp) goto err; p = tmp + (p - newpath); plen += inc; newpath = tmp; } } while (res == (size_t) -1); pthread_mutex_unlock(&ic->lock); *p = '\0'; *newpathp = newpath; return 0; err: iconv(fromfs ? ic->fromfs : ic->tofs, NULL, NULL, NULL, NULL); pthread_mutex_unlock(&ic->lock); free(newpath); return err; } static int iconv_getattr(const char *path, struct stat *stbuf) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_getattr(ic->next, newpath, stbuf); free(newpath); } return err; } static int iconv_fgetattr(const char *path, struct stat *stbuf, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_fgetattr(ic->next, newpath, stbuf, fi); free(newpath); } return err; } static int iconv_access(const char *path, int mask) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_access(ic->next, newpath, mask); free(newpath); } return err; } static int iconv_readlink(const char *path, char *buf, size_t size) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_readlink(ic->next, newpath, buf, size); if (!err) { char *newlink; err = iconv_convpath(ic, buf, &newlink, 1); if (!err) { strncpy(buf, newlink, size - 1); buf[size - 1] = '\0'; free(newlink); } } free(newpath); } return err; } static int iconv_opendir(const char *path, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_opendir(ic->next, newpath, fi); free(newpath); } return err; } static int iconv_dir_fill(void *buf, const char *name, const struct stat *stbuf, off_t off) { struct iconv_dh *dh = buf; char *newname; int res = 0; if (iconv_convpath(dh->ic, name, &newname, 1) == 0) { res = dh->prev_filler(dh->prev_buf, newname, stbuf, off); free(newname); } return res; } static int iconv_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { struct iconv_dh dh; dh.ic = ic; dh.prev_buf = buf; dh.prev_filler = filler; err = fuse_fs_readdir(ic->next, newpath, &dh, iconv_dir_fill, offset, fi); free(newpath); } return err; } static int iconv_releasedir(const char *path, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_releasedir(ic->next, newpath, fi); free(newpath); } return err; } static int iconv_mknod(const char *path, mode_t mode, dev_t rdev) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_mknod(ic->next, newpath, mode, rdev); free(newpath); } return err; } static int iconv_mkdir(const char *path, mode_t mode) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_mkdir(ic->next, newpath, mode); free(newpath); } return err; } static int iconv_unlink(const char *path) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_unlink(ic->next, newpath); free(newpath); } return err; } static int iconv_rmdir(const char *path) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_rmdir(ic->next, newpath); free(newpath); } return err; } static int iconv_symlink(const char *from, const char *to) { struct iconv *ic = iconv_get(); char *newfrom; char *newto; int err = iconv_convpath(ic, from, &newfrom, 0); if (!err) { err = iconv_convpath(ic, to, &newto, 0); if (!err) { err = fuse_fs_symlink(ic->next, newfrom, newto); free(newto); } free(newfrom); } return err; } static int iconv_rename(const char *from, const char *to) { struct iconv *ic = iconv_get(); char *newfrom; char *newto; int err = iconv_convpath(ic, from, &newfrom, 0); if (!err) { err = iconv_convpath(ic, to, &newto, 0); if (!err) { err = fuse_fs_rename(ic->next, newfrom, newto); free(newto); } free(newfrom); } return err; } static int iconv_link(const char *from, const char *to) { struct iconv *ic = iconv_get(); char *newfrom; char *newto; int err = iconv_convpath(ic, from, &newfrom, 0); if (!err) { err = iconv_convpath(ic, to, &newto, 0); if (!err) { err = fuse_fs_link(ic->next, newfrom, newto); free(newto); } free(newfrom); } return err; } static int iconv_chmod(const char *path, mode_t mode) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_chmod(ic->next, newpath, mode); free(newpath); } return err; } static int iconv_chown(const char *path, uid_t uid, gid_t gid) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_chown(ic->next, newpath, uid, gid); free(newpath); } return err; } static int iconv_truncate(const char *path, off_t size) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_truncate(ic->next, newpath, size); free(newpath); } return err; } static int iconv_ftruncate(const char *path, off_t size, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_ftruncate(ic->next, newpath, size, fi); free(newpath); } return err; } static int iconv_utimens(const char *path, const struct timespec ts[2]) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_utimens(ic->next, newpath, ts); free(newpath); } return err; } static int iconv_create(const char *path, mode_t mode, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_create(ic->next, newpath, mode, fi); free(newpath); } return err; } static int iconv_open_file(const char *path, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_open(ic->next, newpath, fi); free(newpath); } return err; } static int iconv_read_buf(const char *path, struct fuse_bufvec **bufp, size_t size, off_t offset, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_read_buf(ic->next, newpath, bufp, size, offset, fi); free(newpath); } return err; } static int iconv_write_buf(const char *path, struct fuse_bufvec *buf, off_t offset, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_write_buf(ic->next, newpath, buf, offset, fi); free(newpath); } return err; } static int iconv_statfs(const char *path, struct statvfs *stbuf) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_statfs(ic->next, newpath, stbuf); free(newpath); } return err; } static int iconv_flush(const char *path, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_flush(ic->next, newpath, fi); free(newpath); } return err; } static int iconv_release(const char *path, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_release(ic->next, newpath, fi); free(newpath); } return err; } static int iconv_fsync(const char *path, int isdatasync, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_fsync(ic->next, newpath, isdatasync, fi); free(newpath); } return err; } static int iconv_fsyncdir(const char *path, int isdatasync, struct fuse_file_info *fi) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_fsyncdir(ic->next, newpath, isdatasync, fi); free(newpath); } return err; } static int iconv_setxattr(const char *path, const char *name, const char *value, size_t size, int flags) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_setxattr(ic->next, newpath, name, value, size, flags); free(newpath); } return err; } static int iconv_getxattr(const char *path, const char *name, char *value, size_t size) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_getxattr(ic->next, newpath, name, value, size); free(newpath); } return err; } static int iconv_listxattr(const char *path, char *list, size_t size) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_listxattr(ic->next, newpath, list, size); free(newpath); } return err; } static int iconv_removexattr(const char *path, const char *name) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_removexattr(ic->next, newpath, name); free(newpath); } return err; } static int iconv_lock(const char *path, struct fuse_file_info *fi, int cmd, struct flock *lock) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_lock(ic->next, newpath, fi, cmd, lock); free(newpath); } return err; } static int iconv_flock(const char *path, struct fuse_file_info *fi, int op) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_flock(ic->next, newpath, fi, op); free(newpath); } return err; } static int iconv_bmap(const char *path, size_t blocksize, uint64_t *idx) { struct iconv *ic = iconv_get(); char *newpath; int err = iconv_convpath(ic, path, &newpath, 0); if (!err) { err = fuse_fs_bmap(ic->next, newpath, blocksize, idx); free(newpath); } return err; } static void *iconv_init(struct fuse_conn_info *conn) { struct iconv *ic = iconv_get(); fuse_fs_init(ic->next, conn); return ic; } static void iconv_destroy(void *data) { struct iconv *ic = data; fuse_fs_destroy(ic->next); iconv_close(ic->tofs); iconv_close(ic->fromfs); pthread_mutex_destroy(&ic->lock); free(ic->from_code); free(ic->to_code); free(ic); } static const struct fuse_operations iconv_oper = { .destroy = iconv_destroy, .init = iconv_init, .getattr = iconv_getattr, .fgetattr = iconv_fgetattr, .access = iconv_access, .readlink = iconv_readlink, .opendir = iconv_opendir, .readdir = iconv_readdir, .releasedir = iconv_releasedir, .mknod = iconv_mknod, .mkdir = iconv_mkdir, .symlink = iconv_symlink, .unlink = iconv_unlink, .rmdir = iconv_rmdir, .rename = iconv_rename, .link = iconv_link, .chmod = iconv_chmod, .chown = iconv_chown, .truncate = iconv_truncate, .ftruncate = iconv_ftruncate, .utimens = iconv_utimens, .create = iconv_create, .open = iconv_open_file, .read_buf = iconv_read_buf, .write_buf = iconv_write_buf, .statfs = iconv_statfs, .flush = iconv_flush, .release = iconv_release, .fsync = iconv_fsync, .fsyncdir = iconv_fsyncdir, .setxattr = iconv_setxattr, .getxattr = iconv_getxattr, .listxattr = iconv_listxattr, .removexattr = iconv_removexattr, .lock = iconv_lock, .flock = iconv_flock, .bmap = iconv_bmap, .flag_nullpath_ok = 1, .flag_nopath = 1, }; static const struct fuse_opt iconv_opts[] = { FUSE_OPT_KEY("-h", 0), FUSE_OPT_KEY("--help", 0), { "from_code=%s", offsetof(struct iconv, from_code), 0 }, { "to_code=%s", offsetof(struct iconv, to_code), 1 }, FUSE_OPT_END }; static void iconv_help(void) { char *old = strdup(setlocale(LC_CTYPE, "")); char *charmap = strdup(nl_langinfo(CODESET)); setlocale(LC_CTYPE, old); free(old); fprintf(stderr, " -o from_code=CHARSET original encoding of file names (default: UTF-8)\n" " -o to_code=CHARSET new encoding of the file names (default: %s)\n", charmap); free(charmap); } static int iconv_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) { (void) data; (void) arg; (void) outargs; if (!key) { iconv_help(); return -1; } return 1; } static struct fuse_fs *iconv_new(struct fuse_args *args, struct fuse_fs *next[]) { struct fuse_fs *fs; struct iconv *ic; char *old = NULL; const char *from; const char *to; ic = calloc(1, sizeof(struct iconv)); if (ic == NULL) { fprintf(stderr, "fuse-iconv: memory allocation failed\n"); return NULL; } if (fuse_opt_parse(args, ic, iconv_opts, iconv_opt_proc) == -1) goto out_free; if (!next[0] || next[1]) { fprintf(stderr, "fuse-iconv: exactly one next filesystem required\n"); goto out_free; } from = ic->from_code ? ic->from_code : "UTF-8"; to = ic->to_code ? ic->to_code : ""; /* FIXME: detect charset equivalence? */ if (!to[0]) old = strdup(setlocale(LC_CTYPE, "")); ic->tofs = iconv_open(from, to); if (ic->tofs == (iconv_t) -1) { fprintf(stderr, "fuse-iconv: cannot convert from %s to %s\n", to, from); goto out_free; } ic->fromfs = iconv_open(to, from); if (ic->tofs == (iconv_t) -1) { fprintf(stderr, "fuse-iconv: cannot convert from %s to %s\n", from, to); goto out_iconv_close_to; } if (old) { setlocale(LC_CTYPE, old); free(old); } ic->next = next[0]; fs = fuse_fs_new(&iconv_oper, sizeof(iconv_oper), ic); if (!fs) goto out_iconv_close_from; return fs; out_iconv_close_from: iconv_close(ic->fromfs); out_iconv_close_to: iconv_close(ic->tofs); out_free: free(ic->from_code); free(ic->to_code); free(ic); if (old) { setlocale(LC_CTYPE, old); free(old); } return NULL; } FUSE_REGISTER_MODULE(iconv, iconv_new); fuse-2.9.7/lib/modules/subdir.c0000644000175000017500000003544712732044227013306 00000000000000/* fuse subdir module: offset paths with a base directory Copyright (C) 2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #define FUSE_USE_VERSION 26 #include #include #include #include #include #include struct subdir { char *base; size_t baselen; int rellinks; struct fuse_fs *next; }; static struct subdir *subdir_get(void) { return fuse_get_context()->private_data; } static int subdir_addpath(struct subdir *d, const char *path, char **newpathp) { char *newpath = NULL; if (path != NULL) { unsigned newlen = d->baselen + strlen(path); newpath = malloc(newlen + 2); if (!newpath) return -ENOMEM; if (path[0] == '/') path++; strcpy(newpath, d->base); strcpy(newpath + d->baselen, path); if (!newpath[0]) strcpy(newpath, "."); } *newpathp = newpath; return 0; } static int subdir_getattr(const char *path, struct stat *stbuf) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_getattr(d->next, newpath, stbuf); free(newpath); } return err; } static int subdir_fgetattr(const char *path, struct stat *stbuf, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_fgetattr(d->next, newpath, stbuf, fi); free(newpath); } return err; } static int subdir_access(const char *path, int mask) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_access(d->next, newpath, mask); free(newpath); } return err; } static int count_components(const char *p) { int ctr; for (; *p == '/'; p++); for (ctr = 0; *p; ctr++) { for (; *p && *p != '/'; p++); for (; *p == '/'; p++); } return ctr; } static void strip_common(const char **sp, const char **tp) { const char *s = *sp; const char *t = *tp; do { for (; *s == '/'; s++); for (; *t == '/'; t++); *tp = t; *sp = s; for (; *s == *t && *s && *s != '/'; s++, t++); } while ((*s == *t && *s) || (!*s && *t == '/') || (*s == '/' && !*t)); } static void transform_symlink(struct subdir *d, const char *path, char *buf, size_t size) { const char *l = buf; size_t llen; char *s; int dotdots; int i; if (l[0] != '/' || d->base[0] != '/') return; strip_common(&l, &path); if (l - buf < (long) d->baselen) return; dotdots = count_components(path); if (!dotdots) return; dotdots--; llen = strlen(l); if (dotdots * 3 + llen + 2 > size) return; s = buf + dotdots * 3; if (llen) memmove(s, l, llen + 1); else if (!dotdots) strcpy(s, "."); else *s = '\0'; for (s = buf, i = 0; i < dotdots; i++, s += 3) memcpy(s, "../", 3); } static int subdir_readlink(const char *path, char *buf, size_t size) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_readlink(d->next, newpath, buf, size); if (!err && d->rellinks) transform_symlink(d, newpath, buf, size); free(newpath); } return err; } static int subdir_opendir(const char *path, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_opendir(d->next, newpath, fi); free(newpath); } return err; } static int subdir_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_readdir(d->next, newpath, buf, filler, offset, fi); free(newpath); } return err; } static int subdir_releasedir(const char *path, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_releasedir(d->next, newpath, fi); free(newpath); } return err; } static int subdir_mknod(const char *path, mode_t mode, dev_t rdev) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_mknod(d->next, newpath, mode, rdev); free(newpath); } return err; } static int subdir_mkdir(const char *path, mode_t mode) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_mkdir(d->next, newpath, mode); free(newpath); } return err; } static int subdir_unlink(const char *path) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_unlink(d->next, newpath); free(newpath); } return err; } static int subdir_rmdir(const char *path) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_rmdir(d->next, newpath); free(newpath); } return err; } static int subdir_symlink(const char *from, const char *path) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_symlink(d->next, from, newpath); free(newpath); } return err; } static int subdir_rename(const char *from, const char *to) { struct subdir *d = subdir_get(); char *newfrom; char *newto; int err = subdir_addpath(d, from, &newfrom); if (!err) { err = subdir_addpath(d, to, &newto); if (!err) { err = fuse_fs_rename(d->next, newfrom, newto); free(newto); } free(newfrom); } return err; } static int subdir_link(const char *from, const char *to) { struct subdir *d = subdir_get(); char *newfrom; char *newto; int err = subdir_addpath(d, from, &newfrom); if (!err) { err = subdir_addpath(d, to, &newto); if (!err) { err = fuse_fs_link(d->next, newfrom, newto); free(newto); } free(newfrom); } return err; } static int subdir_chmod(const char *path, mode_t mode) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_chmod(d->next, newpath, mode); free(newpath); } return err; } static int subdir_chown(const char *path, uid_t uid, gid_t gid) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_chown(d->next, newpath, uid, gid); free(newpath); } return err; } static int subdir_truncate(const char *path, off_t size) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_truncate(d->next, newpath, size); free(newpath); } return err; } static int subdir_ftruncate(const char *path, off_t size, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_ftruncate(d->next, newpath, size, fi); free(newpath); } return err; } static int subdir_utimens(const char *path, const struct timespec ts[2]) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_utimens(d->next, newpath, ts); free(newpath); } return err; } static int subdir_create(const char *path, mode_t mode, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_create(d->next, newpath, mode, fi); free(newpath); } return err; } static int subdir_open(const char *path, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_open(d->next, newpath, fi); free(newpath); } return err; } static int subdir_read_buf(const char *path, struct fuse_bufvec **bufp, size_t size, off_t offset, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_read_buf(d->next, newpath, bufp, size, offset, fi); free(newpath); } return err; } static int subdir_write_buf(const char *path, struct fuse_bufvec *buf, off_t offset, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_write_buf(d->next, newpath, buf, offset, fi); free(newpath); } return err; } static int subdir_statfs(const char *path, struct statvfs *stbuf) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_statfs(d->next, newpath, stbuf); free(newpath); } return err; } static int subdir_flush(const char *path, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_flush(d->next, newpath, fi); free(newpath); } return err; } static int subdir_release(const char *path, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_release(d->next, newpath, fi); free(newpath); } return err; } static int subdir_fsync(const char *path, int isdatasync, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_fsync(d->next, newpath, isdatasync, fi); free(newpath); } return err; } static int subdir_fsyncdir(const char *path, int isdatasync, struct fuse_file_info *fi) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_fsyncdir(d->next, newpath, isdatasync, fi); free(newpath); } return err; } static int subdir_setxattr(const char *path, const char *name, const char *value, size_t size, int flags) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_setxattr(d->next, newpath, name, value, size, flags); free(newpath); } return err; } static int subdir_getxattr(const char *path, const char *name, char *value, size_t size) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_getxattr(d->next, newpath, name, value, size); free(newpath); } return err; } static int subdir_listxattr(const char *path, char *list, size_t size) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_listxattr(d->next, newpath, list, size); free(newpath); } return err; } static int subdir_removexattr(const char *path, const char *name) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_removexattr(d->next, newpath, name); free(newpath); } return err; } static int subdir_lock(const char *path, struct fuse_file_info *fi, int cmd, struct flock *lock) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_lock(d->next, newpath, fi, cmd, lock); free(newpath); } return err; } static int subdir_flock(const char *path, struct fuse_file_info *fi, int op) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_flock(d->next, newpath, fi, op); free(newpath); } return err; } static int subdir_bmap(const char *path, size_t blocksize, uint64_t *idx) { struct subdir *d = subdir_get(); char *newpath; int err = subdir_addpath(d, path, &newpath); if (!err) { err = fuse_fs_bmap(d->next, newpath, blocksize, idx); free(newpath); } return err; } static void *subdir_init(struct fuse_conn_info *conn) { struct subdir *d = subdir_get(); fuse_fs_init(d->next, conn); return d; } static void subdir_destroy(void *data) { struct subdir *d = data; fuse_fs_destroy(d->next); free(d->base); free(d); } static const struct fuse_operations subdir_oper = { .destroy = subdir_destroy, .init = subdir_init, .getattr = subdir_getattr, .fgetattr = subdir_fgetattr, .access = subdir_access, .readlink = subdir_readlink, .opendir = subdir_opendir, .readdir = subdir_readdir, .releasedir = subdir_releasedir, .mknod = subdir_mknod, .mkdir = subdir_mkdir, .symlink = subdir_symlink, .unlink = subdir_unlink, .rmdir = subdir_rmdir, .rename = subdir_rename, .link = subdir_link, .chmod = subdir_chmod, .chown = subdir_chown, .truncate = subdir_truncate, .ftruncate = subdir_ftruncate, .utimens = subdir_utimens, .create = subdir_create, .open = subdir_open, .read_buf = subdir_read_buf, .write_buf = subdir_write_buf, .statfs = subdir_statfs, .flush = subdir_flush, .release = subdir_release, .fsync = subdir_fsync, .fsyncdir = subdir_fsyncdir, .setxattr = subdir_setxattr, .getxattr = subdir_getxattr, .listxattr = subdir_listxattr, .removexattr = subdir_removexattr, .lock = subdir_lock, .flock = subdir_flock, .bmap = subdir_bmap, .flag_nullpath_ok = 1, .flag_nopath = 1, }; static const struct fuse_opt subdir_opts[] = { FUSE_OPT_KEY("-h", 0), FUSE_OPT_KEY("--help", 0), { "subdir=%s", offsetof(struct subdir, base), 0 }, { "rellinks", offsetof(struct subdir, rellinks), 1 }, { "norellinks", offsetof(struct subdir, rellinks), 0 }, FUSE_OPT_END }; static void subdir_help(void) { fprintf(stderr, " -o subdir=DIR prepend this directory to all paths (mandatory)\n" " -o [no]rellinks transform absolute symlinks to relative\n"); } static int subdir_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) { (void) data; (void) arg; (void) outargs; if (!key) { subdir_help(); return -1; } return 1; } static struct fuse_fs *subdir_new(struct fuse_args *args, struct fuse_fs *next[]) { struct fuse_fs *fs; struct subdir *d; d = calloc(1, sizeof(struct subdir)); if (d == NULL) { fprintf(stderr, "fuse-subdir: memory allocation failed\n"); return NULL; } if (fuse_opt_parse(args, d, subdir_opts, subdir_opt_proc) == -1) goto out_free; if (!next[0] || next[1]) { fprintf(stderr, "fuse-subdir: exactly one next filesystem required\n"); goto out_free; } if (!d->base) { fprintf(stderr, "fuse-subdir: missing 'subdir' option\n"); goto out_free; } if (d->base[0] && d->base[strlen(d->base)-1] != '/') { char *tmp = realloc(d->base, strlen(d->base) + 2); if (!tmp) { fprintf(stderr, "fuse-subdir: memory allocation failed\n"); goto out_free; } d->base = tmp; strcat(d->base, "/"); } d->baselen = strlen(d->base); d->next = next[0]; fs = fuse_fs_new(&subdir_oper, sizeof(subdir_oper), d); if (!fs) goto out_free; return fs; out_free: free(d->base); free(d); return NULL; } FUSE_REGISTER_MODULE(subdir, subdir_new); fuse-2.9.7/lib/fuse_mt.c0000644000175000017500000000500312732044227011771 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include "fuse_i.h" #include "fuse_misc.h" #include "fuse_lowlevel.h" #include #include #include #include #include struct procdata { struct fuse *f; struct fuse_chan *prevch; struct fuse_session *prevse; fuse_processor_t proc; void *data; }; static void mt_session_proc(void *data, const char *buf, size_t len, struct fuse_chan *ch) { struct procdata *pd = (struct procdata *) data; struct fuse_cmd *cmd = *(struct fuse_cmd **) buf; (void) len; (void) ch; pd->proc(pd->f, cmd, pd->data); } static void mt_session_exit(void *data, int val) { struct procdata *pd = (struct procdata *) data; if (val) fuse_session_exit(pd->prevse); else fuse_session_reset(pd->prevse); } static int mt_session_exited(void *data) { struct procdata *pd = (struct procdata *) data; return fuse_session_exited(pd->prevse); } static int mt_chan_receive(struct fuse_chan **chp, char *buf, size_t size) { struct fuse_cmd *cmd; struct procdata *pd = (struct procdata *) fuse_chan_data(*chp); assert(size >= sizeof(cmd)); cmd = fuse_read_cmd(pd->f); if (cmd == NULL) return 0; *(struct fuse_cmd **) buf = cmd; return sizeof(cmd); } int fuse_loop_mt_proc(struct fuse *f, fuse_processor_t proc, void *data) { int res; struct procdata pd; struct fuse_session *prevse = fuse_get_session(f); struct fuse_session *se; struct fuse_chan *prevch = fuse_session_next_chan(prevse, NULL); struct fuse_chan *ch; struct fuse_session_ops sop = { .exit = mt_session_exit, .exited = mt_session_exited, .process = mt_session_proc, }; struct fuse_chan_ops cop = { .receive = mt_chan_receive, }; pd.f = f; pd.prevch = prevch; pd.prevse = prevse; pd.proc = proc; pd.data = data; se = fuse_session_new(&sop, &pd); if (se == NULL) return -1; ch = fuse_chan_new(&cop, fuse_chan_fd(prevch), sizeof(struct fuse_cmd *), &pd); if (ch == NULL) { fuse_session_destroy(se); return -1; } fuse_session_add_chan(se, ch); res = fuse_session_loop_mt(se); fuse_session_destroy(se); return res; } int fuse_loop_mt(struct fuse *f) { if (f == NULL) return -1; int res = fuse_start_cleanup_thread(f); if (res) return -1; res = fuse_session_loop_mt(fuse_get_session(f)); fuse_stop_cleanup_thread(f); return res; } FUSE_SYMVER(".symver fuse_loop_mt_proc,__fuse_loop_mt@"); fuse-2.9.7/lib/ulockmgr.c0000644000175000017500000002244112732044227012157 00000000000000/* libulockmgr: Userspace Lock Manager Library Copyright (C) 2006 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ /* #define DEBUG 1 */ #include "ulockmgr.h" #include #include #include #include #include #include #include #include #include #include #include struct message { unsigned intr : 1; unsigned nofd : 1; pthread_t thr; int cmd; int fd; struct flock lock; int error; }; struct fd_store { struct fd_store *next; int fd; int inuse; }; struct owner { struct owner *next; struct owner *prev; struct fd_store *fds; void *id; size_t id_len; int cfd; }; static pthread_mutex_t ulockmgr_lock; static int ulockmgr_cfd = -1; static struct owner owner_list = { .next = &owner_list, .prev = &owner_list }; #define MAX_SEND_FDS 2 static void list_del_owner(struct owner *owner) { struct owner *prev = owner->prev; struct owner *next = owner->next; prev->next = next; next->prev = prev; } static void list_add_owner(struct owner *owner, struct owner *next) { struct owner *prev = next->prev; owner->next = next; owner->prev = prev; prev->next = owner; next->prev = owner; } /* * There's a bug in the linux kernel (< 2.6.22) recv() implementation * on AF_UNIX, SOCK_STREAM sockets, that could cause it to return * zero, even if data was available. Retrying the recv will return * the data in this case. */ static int do_recv(int sock, void *buf, size_t len, int flags) { int res = recv(sock, buf, len, flags); if (res == 0) res = recv(sock, buf, len, flags); return res; } static int ulockmgr_send_message(int sock, void *buf, size_t buflen, int *fdp, int numfds) { struct msghdr msg; struct cmsghdr *p_cmsg; struct iovec vec; size_t cmsgbuf[CMSG_SPACE(sizeof(int) * MAX_SEND_FDS) / sizeof(size_t)]; int res; assert(numfds <= MAX_SEND_FDS); msg.msg_control = cmsgbuf; msg.msg_controllen = sizeof(cmsgbuf); p_cmsg = CMSG_FIRSTHDR(&msg); p_cmsg->cmsg_level = SOL_SOCKET; p_cmsg->cmsg_type = SCM_RIGHTS; p_cmsg->cmsg_len = CMSG_LEN(sizeof(int) * numfds); memcpy(CMSG_DATA(p_cmsg), fdp, sizeof(int) * numfds); msg.msg_controllen = p_cmsg->cmsg_len; msg.msg_name = NULL; msg.msg_namelen = 0; msg.msg_iov = &vec; msg.msg_iovlen = 1; msg.msg_flags = 0; vec.iov_base = buf; vec.iov_len = buflen; res = sendmsg(sock, &msg, MSG_NOSIGNAL); if (res == -1) { perror("libulockmgr: sendmsg"); return -1; } if ((size_t) res != buflen) { fprintf(stderr, "libulockmgr: sendmsg short\n"); return -1; } return 0; } static int ulockmgr_start_daemon(void) { int sv[2]; int res; char tmp[64]; res = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); if (res == -1) { perror("libulockmgr: socketpair"); return -1; } snprintf(tmp, sizeof(tmp), "exec ulockmgr_server %i", sv[0]); res = system(tmp); close(sv[0]); if (res == -1 || !WIFEXITED(res) || WEXITSTATUS(res) != 0) { close(sv[1]); return -1; } ulockmgr_cfd = sv[1]; return 0; } static struct owner *ulockmgr_new_owner(const void *id, size_t id_len) { int sv[2]; int res; char c = 'm'; struct owner *o; if (ulockmgr_cfd == -1 && ulockmgr_start_daemon() == -1) return NULL; o = calloc(1, sizeof(struct owner) + id_len); if (!o) { fprintf(stderr, "libulockmgr: failed to allocate memory\n"); return NULL; } o->id = o + 1; o->id_len = id_len; res = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); if (res == -1) { perror("libulockmgr: socketpair"); goto out_free; } res = ulockmgr_send_message(ulockmgr_cfd, &c, sizeof(c), &sv[0], 1); close(sv[0]); if (res == -1) { close(ulockmgr_cfd); ulockmgr_cfd = -1; goto out_close; } o->cfd = sv[1]; memcpy(o->id, id, id_len); list_add_owner(o, &owner_list); return o; out_close: close(sv[1]); out_free: free(o); return NULL; } static int ulockmgr_send_request(struct message *msg, const void *id, size_t id_len) { int sv[2]; int cfd; struct owner *o; struct fd_store *f = NULL; struct fd_store *newf = NULL; struct fd_store **fp; int fd = msg->fd; int cmd = msg->cmd; int res; int unlockall = (cmd == F_SETLK && msg->lock.l_type == F_UNLCK && msg->lock.l_start == 0 && msg->lock.l_len == 0); for (o = owner_list.next; o != &owner_list; o = o->next) if (o->id_len == id_len && memcmp(o->id, id, id_len) == 0) break; if (o == &owner_list) o = NULL; if (!o && cmd != F_GETLK && msg->lock.l_type != F_UNLCK) o = ulockmgr_new_owner(id, id_len); if (!o) { if (cmd == F_GETLK) { res = fcntl(msg->fd, F_GETLK, &msg->lock); return (res == -1) ? -errno : 0; } else if (msg->lock.l_type == F_UNLCK) return 0; else return -ENOLCK; } if (unlockall) msg->nofd = 1; else { for (fp = &o->fds; *fp; fp = &(*fp)->next) { f = *fp; if (f->fd == fd) { msg->nofd = 1; break; } } } if (!msg->nofd) { newf = f = calloc(1, sizeof(struct fd_store)); if (!f) { fprintf(stderr, "libulockmgr: failed to allocate memory\n"); return -ENOLCK; } } res = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); if (res == -1) { perror("libulockmgr: socketpair"); free(newf); return -ENOLCK; } cfd = sv[1]; sv[1] = msg->fd; res = ulockmgr_send_message(o->cfd, msg, sizeof(struct message), sv, msg->nofd ? 1 : 2); close(sv[0]); if (res == -1) { free(newf); close(cfd); return -EIO; } if (newf) { newf->fd = msg->fd; newf->next = o->fds; o->fds = newf; } if (f) f->inuse++; res = do_recv(cfd, msg, sizeof(struct message), MSG_WAITALL); if (res == -1) { perror("libulockmgr: recv"); msg->error = EIO; } else if (res != sizeof(struct message)) { fprintf(stderr, "libulockmgr: recv short\n"); msg->error = EIO; } else if (cmd == F_SETLKW && msg->error == EAGAIN) { pthread_mutex_unlock(&ulockmgr_lock); while (1) { sigset_t old; sigset_t unblock; int errno_save; sigemptyset(&unblock); sigaddset(&unblock, SIGUSR1); pthread_sigmask(SIG_UNBLOCK, &unblock, &old); res = do_recv(cfd, msg, sizeof(struct message), MSG_WAITALL); errno_save = errno; pthread_sigmask(SIG_SETMASK, &old, NULL); if (res == sizeof(struct message)) break; else if (res >= 0) { fprintf(stderr, "libulockmgr: recv short\n"); msg->error = EIO; break; } else if (errno_save != EINTR) { errno = errno_save; perror("libulockmgr: recv"); msg->error = EIO; break; } msg->intr = 1; res = send(o->cfd, msg, sizeof(struct message), MSG_NOSIGNAL); if (res == -1) { perror("libulockmgr: send"); msg->error = EIO; break; } if (res != sizeof(struct message)) { fprintf(stderr, "libulockmgr: send short\n"); msg->error = EIO; break; } } pthread_mutex_lock(&ulockmgr_lock); } if (f) f->inuse--; close(cfd); if (unlockall) { for (fp = &o->fds; *fp;) { f = *fp; if (f->fd == fd && !f->inuse) { *fp = f->next; free(f); } else fp = &f->next; } if (!o->fds) { list_del_owner(o); close(o->cfd); free(o); } /* Force OK on unlock-all, since it _will_ succeed once the owner is deleted */ msg->error = 0; } return -msg->error; } #ifdef DEBUG static uint32_t owner_hash(const unsigned char *id, size_t id_len) { uint32_t h = 0; size_t i; for (i = 0; i < id_len; i++) h = ((h << 8) | (h >> 24)) ^ id[i]; return h; } #endif static int ulockmgr_canonicalize(int fd, struct flock *lock) { off_t offset; if (lock->l_whence == SEEK_CUR) { offset = lseek(fd, 0, SEEK_CUR); if (offset == (off_t) -1) return -errno; } else if (lock->l_whence == SEEK_END) { struct stat stbuf; int res = fstat(fd, &stbuf); if (res == -1) return -errno; offset = stbuf.st_size; } else offset = 0; lock->l_whence = SEEK_SET; lock->l_start += offset; if (lock->l_start < 0) return -EINVAL; if (lock->l_len < 0) { lock->l_start += lock->l_len; if (lock->l_start < 0) return -EINVAL; lock->l_len = -lock->l_len; } if (lock->l_len && lock->l_start + lock->l_len - 1 < 0) return -EINVAL; return 0; } int ulockmgr_op(int fd, int cmd, struct flock *lock, const void *owner, size_t owner_len) { int err; struct message msg; sigset_t old; sigset_t block; if (cmd != F_GETLK && cmd != F_SETLK && cmd != F_SETLKW) return -EINVAL; if (lock->l_type != F_RDLCK && lock->l_type != F_WRLCK && lock->l_type != F_UNLCK) return -EINVAL; if (lock->l_whence != SEEK_SET && lock->l_whence != SEEK_CUR && lock->l_whence != SEEK_END) return -EINVAL; #ifdef DEBUG fprintf(stderr, "libulockmgr: %i %i %i %lli %lli own: 0x%08x\n", cmd, lock->l_type, lock->l_whence, lock->l_start, lock->l_len, owner_hash(owner, owner_len)); #endif /* Unlock should never block anyway */ if (cmd == F_SETLKW && lock->l_type == F_UNLCK) cmd = F_SETLK; memset(&msg, 0, sizeof(struct message)); msg.cmd = cmd; msg.fd = fd; msg.lock = *lock; err = ulockmgr_canonicalize(fd, &msg.lock); if (err) return err; sigemptyset(&block); sigaddset(&block, SIGUSR1); pthread_sigmask(SIG_BLOCK, &block, &old); pthread_mutex_lock(&ulockmgr_lock); err = ulockmgr_send_request(&msg, owner, owner_len); pthread_mutex_unlock(&ulockmgr_lock); pthread_sigmask(SIG_SETMASK, &old, NULL); if (!err && cmd == F_GETLK) { if (msg.lock.l_type == F_UNLCK) lock->l_type = F_UNLCK; else *lock = msg.lock; } return err; } fuse-2.9.7/lib/mount_bsd.c0000644000175000017500000002057412732044227012333 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2005-2008 Csaba Henk This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include "fuse_i.h" #include "fuse_misc.h" #include "fuse_opt.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #define FUSERMOUNT_PROG "mount_fusefs" #define FUSE_DEV_TRUNK "/dev/fuse" enum { KEY_ALLOW_ROOT, KEY_RO, KEY_HELP, KEY_VERSION, KEY_KERN }; struct mount_opts { int allow_other; int allow_root; int ishelp; char *kernel_opts; }; #define FUSE_DUAL_OPT_KEY(templ, key) \ FUSE_OPT_KEY(templ, key), FUSE_OPT_KEY("no" templ, key) static const struct fuse_opt fuse_mount_opts[] = { { "allow_other", offsetof(struct mount_opts, allow_other), 1 }, { "allow_root", offsetof(struct mount_opts, allow_root), 1 }, FUSE_OPT_KEY("allow_root", KEY_ALLOW_ROOT), FUSE_OPT_KEY("-r", KEY_RO), FUSE_OPT_KEY("-h", KEY_HELP), FUSE_OPT_KEY("--help", KEY_HELP), FUSE_OPT_KEY("-V", KEY_VERSION), FUSE_OPT_KEY("--version", KEY_VERSION), /* standard FreeBSD mount options */ FUSE_DUAL_OPT_KEY("dev", KEY_KERN), FUSE_DUAL_OPT_KEY("async", KEY_KERN), FUSE_DUAL_OPT_KEY("atime", KEY_KERN), FUSE_DUAL_OPT_KEY("dev", KEY_KERN), FUSE_DUAL_OPT_KEY("exec", KEY_KERN), FUSE_DUAL_OPT_KEY("suid", KEY_KERN), FUSE_DUAL_OPT_KEY("symfollow", KEY_KERN), FUSE_DUAL_OPT_KEY("rdonly", KEY_KERN), FUSE_DUAL_OPT_KEY("sync", KEY_KERN), FUSE_DUAL_OPT_KEY("union", KEY_KERN), FUSE_DUAL_OPT_KEY("userquota", KEY_KERN), FUSE_DUAL_OPT_KEY("groupquota", KEY_KERN), FUSE_DUAL_OPT_KEY("clusterr", KEY_KERN), FUSE_DUAL_OPT_KEY("clusterw", KEY_KERN), FUSE_DUAL_OPT_KEY("suiddir", KEY_KERN), FUSE_DUAL_OPT_KEY("snapshot", KEY_KERN), FUSE_DUAL_OPT_KEY("multilabel", KEY_KERN), FUSE_DUAL_OPT_KEY("acls", KEY_KERN), FUSE_DUAL_OPT_KEY("force", KEY_KERN), FUSE_DUAL_OPT_KEY("update", KEY_KERN), FUSE_DUAL_OPT_KEY("ro", KEY_KERN), FUSE_DUAL_OPT_KEY("rw", KEY_KERN), FUSE_DUAL_OPT_KEY("auto", KEY_KERN), /* options supported under both Linux and FBSD */ FUSE_DUAL_OPT_KEY("allow_other", KEY_KERN), FUSE_DUAL_OPT_KEY("default_permissions",KEY_KERN), FUSE_OPT_KEY("max_read=", KEY_KERN), FUSE_OPT_KEY("subtype=", KEY_KERN), /* FBSD FUSE specific mount options */ FUSE_DUAL_OPT_KEY("private", KEY_KERN), FUSE_DUAL_OPT_KEY("neglect_shares", KEY_KERN), FUSE_DUAL_OPT_KEY("push_symlinks_in", KEY_KERN), FUSE_OPT_KEY("nosync_unmount", KEY_KERN), /* stock FBSD mountopt parsing routine lets anything be negated... */ /* * Linux specific mount options, but let just the mount util * handle them */ FUSE_OPT_KEY("fsname=", KEY_KERN), FUSE_OPT_KEY("nonempty", KEY_KERN), FUSE_OPT_KEY("large_read", KEY_KERN), FUSE_OPT_END }; static void mount_help(void) { fprintf(stderr, " -o allow_root allow access to root\n" ); system(FUSERMOUNT_PROG " --help"); fputc('\n', stderr); } static void mount_version(void) { system(FUSERMOUNT_PROG " --version"); } static int fuse_mount_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) { struct mount_opts *mo = data; switch (key) { case KEY_ALLOW_ROOT: if (fuse_opt_add_opt(&mo->kernel_opts, "allow_other") == -1 || fuse_opt_add_arg(outargs, "-oallow_root") == -1) return -1; return 0; case KEY_RO: arg = "ro"; /* fall through */ case KEY_KERN: return fuse_opt_add_opt(&mo->kernel_opts, arg); case KEY_HELP: mount_help(); mo->ishelp = 1; break; case KEY_VERSION: mount_version(); mo->ishelp = 1; break; } return 1; } void fuse_unmount_compat22(const char *mountpoint) { char dev[128]; char *ssc, *umount_cmd; FILE *sf; int rv; char seekscript[] = /* error message is annoying in help output */ "exec 2>/dev/null; " "/usr/bin/fstat " FUSE_DEV_TRUNK "* | " "/usr/bin/awk 'BEGIN{ getline; if (! ($3 == \"PID\" && $10 == \"NAME\")) exit 1; }; " " { if ($3 == %d) print $10; }' | " "/usr/bin/sort | " "/usr/bin/uniq | " "/usr/bin/awk '{ i += 1; if (i > 1){ exit 1; }; printf; }; END{ if (i == 0) exit 1; }'"; (void) mountpoint; /* * If we don't know the fd, we have to resort to the scripted * solution -- iterating over the fd-s is unpractical, as we * don't know how many of open files we have. (This could be * looked up in procfs -- however, that's optional on FBSD; or * read out from the kmem -- however, that's bound to * privileges (in fact, that's what happens when we call the * setgid kmem fstat(1) utility). */ if (asprintf(&ssc, seekscript, getpid()) == -1) return; errno = 0; sf = popen(ssc, "r"); free(ssc); if (! sf) return; fgets(dev, sizeof(dev), sf); rv = pclose(sf); if (rv) return; if (asprintf(&umount_cmd, "/sbin/umount %s", dev) == -1) return; system(umount_cmd); free(umount_cmd); } static void do_unmount(char *dev, int fd) { char device_path[SPECNAMELEN + 12]; const char *argv[4]; const char umount_cmd[] = "/sbin/umount"; pid_t pid; snprintf(device_path, SPECNAMELEN + 12, _PATH_DEV "%s", dev); argv[0] = umount_cmd; argv[1] = "-f"; argv[2] = device_path; argv[3] = NULL; pid = fork(); if (pid == -1) return; if (pid == 0) { close(fd); execvp(umount_cmd, (char **)argv); exit(1); } waitpid(pid, NULL, 0); } void fuse_kern_unmount(const char *mountpoint, int fd) { char *ep, dev[128]; struct stat sbuf; (void)mountpoint; if (fstat(fd, &sbuf) == -1) goto out; devname_r(sbuf.st_rdev, S_IFCHR, dev, 128); if (strncmp(dev, "fuse", 4)) goto out; strtol(dev + 4, &ep, 10); if (*ep != '\0') goto out; do_unmount(dev, fd); out: close(fd); } /* Check if kernel is doing init in background */ static int init_backgrounded(void) { unsigned ibg, len; len = sizeof(ibg); if (sysctlbyname("vfs.fuse.init_backgrounded", &ibg, &len, NULL, 0)) return 0; return ibg; } static int fuse_mount_core(const char *mountpoint, const char *opts) { const char *mountprog = FUSERMOUNT_PROG; int fd; char *fdnam, *dev; pid_t pid, cpid; int status; fdnam = getenv("FUSE_DEV_FD"); if (fdnam) { char *ep; fd = strtol(fdnam, &ep, 10); if (*ep != '\0') { fprintf(stderr, "invalid value given in FUSE_DEV_FD\n"); return -1; } if (fd < 0) return -1; goto mount; } dev = getenv("FUSE_DEV_NAME"); if (! dev) dev = (char *)FUSE_DEV_TRUNK; if ((fd = open(dev, O_RDWR)) < 0) { perror("fuse: failed to open fuse device"); return -1; } mount: if (getenv("FUSE_NO_MOUNT") || ! mountpoint) goto out; pid = fork(); cpid = pid; if (pid == -1) { perror("fuse: fork() failed"); close(fd); return -1; } if (pid == 0) { if (! init_backgrounded()) { /* * If init is not backgrounded, we have to * call the mount util backgrounded, to avoid * deadlock. */ pid = fork(); if (pid == -1) { perror("fuse: fork() failed"); close(fd); exit(1); } } if (pid == 0) { const char *argv[32]; int a = 0; if (! fdnam && asprintf(&fdnam, "%d", fd) == -1) { perror("fuse: failed to assemble mount arguments"); exit(1); } argv[a++] = mountprog; if (opts) { argv[a++] = "-o"; argv[a++] = opts; } argv[a++] = fdnam; argv[a++] = mountpoint; argv[a++] = NULL; execvp(mountprog, (char **) argv); perror("fuse: failed to exec mount program"); exit(1); } exit(0); } if (waitpid(cpid, &status, 0) == -1 || WEXITSTATUS(status) != 0) { perror("fuse: failed to mount file system"); close(fd); return -1; } out: return fd; } int fuse_kern_mount(const char *mountpoint, struct fuse_args *args) { struct mount_opts mo; int res = -1; memset(&mo, 0, sizeof(mo)); /* mount util should not try to spawn the daemon */ setenv("MOUNT_FUSEFS_SAFE", "1", 1); /* to notify the mount util it's called from lib */ setenv("MOUNT_FUSEFS_CALL_BY_LIB", "1", 1); if (args && fuse_opt_parse(args, &mo, fuse_mount_opts, fuse_mount_opt_proc) == -1) return -1; if (mo.allow_other && mo.allow_root) { fprintf(stderr, "fuse: 'allow_other' and 'allow_root' options are mutually exclusive\n"); goto out; } if (mo.ishelp) return 0; res = fuse_mount_core(mountpoint, mo.kernel_opts); out: free(mo.kernel_opts); return res; } FUSE_SYMVER(".symver fuse_unmount_compat22,fuse_unmount@FUSE_2.2"); fuse-2.9.7/lib/buffer.c0000644000175000017500000001446512676562275011633 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2010 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #define _GNU_SOURCE #include "config.h" #include "fuse_i.h" #include "fuse_lowlevel.h" #include #include #include #include size_t fuse_buf_size(const struct fuse_bufvec *bufv) { size_t i; size_t size = 0; for (i = 0; i < bufv->count; i++) { if (bufv->buf[i].size == SIZE_MAX) size = SIZE_MAX; else size += bufv->buf[i].size; } return size; } static size_t min_size(size_t s1, size_t s2) { return s1 < s2 ? s1 : s2; } static ssize_t fuse_buf_write(const struct fuse_buf *dst, size_t dst_off, const struct fuse_buf *src, size_t src_off, size_t len) { ssize_t res = 0; size_t copied = 0; while (len) { if (dst->flags & FUSE_BUF_FD_SEEK) { res = pwrite(dst->fd, src->mem + src_off, len, dst->pos + dst_off); } else { res = write(dst->fd, src->mem + src_off, len); } if (res == -1) { if (!copied) return -errno; break; } if (res == 0) break; copied += res; if (!(dst->flags & FUSE_BUF_FD_RETRY)) break; src_off += res; dst_off += res; len -= res; } return copied; } static ssize_t fuse_buf_read(const struct fuse_buf *dst, size_t dst_off, const struct fuse_buf *src, size_t src_off, size_t len) { ssize_t res = 0; size_t copied = 0; while (len) { if (src->flags & FUSE_BUF_FD_SEEK) { res = pread(src->fd, dst->mem + dst_off, len, src->pos + src_off); } else { res = read(src->fd, dst->mem + dst_off, len); } if (res == -1) { if (!copied) return -errno; break; } if (res == 0) break; copied += res; if (!(src->flags & FUSE_BUF_FD_RETRY)) break; dst_off += res; src_off += res; len -= res; } return copied; } static ssize_t fuse_buf_fd_to_fd(const struct fuse_buf *dst, size_t dst_off, const struct fuse_buf *src, size_t src_off, size_t len) { char buf[4096]; struct fuse_buf tmp = { .size = sizeof(buf), .flags = 0, }; ssize_t res; size_t copied = 0; tmp.mem = buf; while (len) { size_t this_len = min_size(tmp.size, len); size_t read_len; res = fuse_buf_read(&tmp, 0, src, src_off, this_len); if (res < 0) { if (!copied) return res; break; } if (res == 0) break; read_len = res; res = fuse_buf_write(dst, dst_off, &tmp, 0, read_len); if (res < 0) { if (!copied) return res; break; } if (res == 0) break; copied += res; if (res < this_len) break; dst_off += res; src_off += res; len -= res; } return copied; } #ifdef HAVE_SPLICE static ssize_t fuse_buf_splice(const struct fuse_buf *dst, size_t dst_off, const struct fuse_buf *src, size_t src_off, size_t len, enum fuse_buf_copy_flags flags) { int splice_flags = 0; off_t *srcpos = NULL; off_t *dstpos = NULL; off_t srcpos_val; off_t dstpos_val; ssize_t res; size_t copied = 0; if (flags & FUSE_BUF_SPLICE_MOVE) splice_flags |= SPLICE_F_MOVE; if (flags & FUSE_BUF_SPLICE_NONBLOCK) splice_flags |= SPLICE_F_NONBLOCK; if (src->flags & FUSE_BUF_FD_SEEK) { srcpos_val = src->pos + src_off; srcpos = &srcpos_val; } if (dst->flags & FUSE_BUF_FD_SEEK) { dstpos_val = dst->pos + dst_off; dstpos = &dstpos_val; } while (len) { res = splice(src->fd, srcpos, dst->fd, dstpos, len, splice_flags); if (res == -1) { if (copied) break; if (errno != EINVAL || (flags & FUSE_BUF_FORCE_SPLICE)) return -errno; /* Maybe splice is not supported for this combination */ return fuse_buf_fd_to_fd(dst, dst_off, src, src_off, len); } if (res == 0) break; copied += res; if (!(src->flags & FUSE_BUF_FD_RETRY) && !(dst->flags & FUSE_BUF_FD_RETRY)) { break; } len -= res; } return copied; } #else static ssize_t fuse_buf_splice(const struct fuse_buf *dst, size_t dst_off, const struct fuse_buf *src, size_t src_off, size_t len, enum fuse_buf_copy_flags flags) { (void) flags; return fuse_buf_fd_to_fd(dst, dst_off, src, src_off, len); } #endif static ssize_t fuse_buf_copy_one(const struct fuse_buf *dst, size_t dst_off, const struct fuse_buf *src, size_t src_off, size_t len, enum fuse_buf_copy_flags flags) { int src_is_fd = src->flags & FUSE_BUF_IS_FD; int dst_is_fd = dst->flags & FUSE_BUF_IS_FD; if (!src_is_fd && !dst_is_fd) { void *dstmem = dst->mem + dst_off; void *srcmem = src->mem + src_off; if (dstmem != srcmem) { if (dstmem + len <= srcmem || srcmem + len <= dstmem) memcpy(dstmem, srcmem, len); else memmove(dstmem, srcmem, len); } return len; } else if (!src_is_fd) { return fuse_buf_write(dst, dst_off, src, src_off, len); } else if (!dst_is_fd) { return fuse_buf_read(dst, dst_off, src, src_off, len); } else if (flags & FUSE_BUF_NO_SPLICE) { return fuse_buf_fd_to_fd(dst, dst_off, src, src_off, len); } else { return fuse_buf_splice(dst, dst_off, src, src_off, len, flags); } } static const struct fuse_buf *fuse_bufvec_current(struct fuse_bufvec *bufv) { if (bufv->idx < bufv->count) return &bufv->buf[bufv->idx]; else return NULL; } static int fuse_bufvec_advance(struct fuse_bufvec *bufv, size_t len) { const struct fuse_buf *buf = fuse_bufvec_current(bufv); bufv->off += len; assert(bufv->off <= buf->size); if (bufv->off == buf->size) { assert(bufv->idx < bufv->count); bufv->idx++; if (bufv->idx == bufv->count) return 0; bufv->off = 0; } return 1; } ssize_t fuse_buf_copy(struct fuse_bufvec *dstv, struct fuse_bufvec *srcv, enum fuse_buf_copy_flags flags) { size_t copied = 0; if (dstv == srcv) return fuse_buf_size(dstv); for (;;) { const struct fuse_buf *src = fuse_bufvec_current(srcv); const struct fuse_buf *dst = fuse_bufvec_current(dstv); size_t src_len; size_t dst_len; size_t len; ssize_t res; if (src == NULL || dst == NULL) break; src_len = src->size - srcv->off; dst_len = dst->size - dstv->off; len = min_size(src_len, dst_len); res = fuse_buf_copy_one(dst, dstv->off, src, srcv->off, len, flags); if (res < 0) { if (!copied) return res; break; } copied += res; if (!fuse_bufvec_advance(srcv, res) || !fuse_bufvec_advance(dstv, res)) break; if (res < len) break; } return copied; } fuse-2.9.7/lib/fuse_signals.c0000644000175000017500000000330012732044227013007 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #include "fuse_lowlevel.h" #include #include #include static struct fuse_session *fuse_instance; static void exit_handler(int sig) { (void) sig; if (fuse_instance) fuse_session_exit(fuse_instance); } static int set_one_signal_handler(int sig, void (*handler)(int), int remove) { struct sigaction sa; struct sigaction old_sa; memset(&sa, 0, sizeof(struct sigaction)); sa.sa_handler = remove ? SIG_DFL : handler; sigemptyset(&(sa.sa_mask)); sa.sa_flags = 0; if (sigaction(sig, NULL, &old_sa) == -1) { perror("fuse: cannot get old signal handler"); return -1; } if (old_sa.sa_handler == (remove ? handler : SIG_DFL) && sigaction(sig, &sa, NULL) == -1) { perror("fuse: cannot set signal handler"); return -1; } return 0; } int fuse_set_signal_handlers(struct fuse_session *se) { if (set_one_signal_handler(SIGHUP, exit_handler, 0) == -1 || set_one_signal_handler(SIGINT, exit_handler, 0) == -1 || set_one_signal_handler(SIGTERM, exit_handler, 0) == -1 || set_one_signal_handler(SIGPIPE, SIG_IGN, 0) == -1) return -1; fuse_instance = se; return 0; } void fuse_remove_signal_handlers(struct fuse_session *se) { if (fuse_instance != se) fprintf(stderr, "fuse: fuse_remove_signal_handlers: unknown session\n"); else fuse_instance = NULL; set_one_signal_handler(SIGHUP, exit_handler, 1); set_one_signal_handler(SIGINT, exit_handler, 1); set_one_signal_handler(SIGTERM, exit_handler, 1); set_one_signal_handler(SIGPIPE, SIG_IGN, 1); } fuse-2.9.7/lib/fuse_loop.c0000644000175000017500000000165712732044227012335 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #include "fuse_lowlevel.h" #include #include #include int fuse_session_loop(struct fuse_session *se) { int res = 0; struct fuse_chan *ch = fuse_session_next_chan(se, NULL); size_t bufsize = fuse_chan_bufsize(ch); char *buf = (char *) malloc(bufsize); if (!buf) { fprintf(stderr, "fuse: failed to allocate read buffer\n"); return -1; } while (!fuse_session_exited(se)) { struct fuse_chan *tmpch = ch; struct fuse_buf fbuf = { .mem = buf, .size = bufsize, }; res = fuse_session_receive_buf(se, &fbuf, &tmpch); if (res == -EINTR) continue; if (res <= 0) break; fuse_session_process_buf(se, &fbuf, tmpch); } free(buf); fuse_session_reset(se); return res < 0 ? -1 : 0; } fuse-2.9.7/lib/fuse_session.c0000644000175000017500000001117512732044227013043 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #include "fuse_i.h" #include "fuse_misc.h" #include "fuse_common_compat.h" #include "fuse_lowlevel_compat.h" #include #include #include #include #include struct fuse_chan { struct fuse_chan_ops op; struct fuse_session *se; int fd; size_t bufsize; void *data; int compat; }; struct fuse_session *fuse_session_new(struct fuse_session_ops *op, void *data) { struct fuse_session *se = (struct fuse_session *) malloc(sizeof(*se)); if (se == NULL) { fprintf(stderr, "fuse: failed to allocate session\n"); return NULL; } memset(se, 0, sizeof(*se)); se->op = *op; se->data = data; return se; } void fuse_session_add_chan(struct fuse_session *se, struct fuse_chan *ch) { assert(se->ch == NULL); assert(ch->se == NULL); se->ch = ch; ch->se = se; } void fuse_session_remove_chan(struct fuse_chan *ch) { struct fuse_session *se = ch->se; if (se) { assert(se->ch == ch); se->ch = NULL; ch->se = NULL; } } struct fuse_chan *fuse_session_next_chan(struct fuse_session *se, struct fuse_chan *ch) { assert(ch == NULL || ch == se->ch); if (ch == NULL) return se->ch; else return NULL; } void fuse_session_process(struct fuse_session *se, const char *buf, size_t len, struct fuse_chan *ch) { se->op.process(se->data, buf, len, ch); } void fuse_session_process_buf(struct fuse_session *se, const struct fuse_buf *buf, struct fuse_chan *ch) { if (se->process_buf) { se->process_buf(se->data, buf, ch); } else { assert(!(buf->flags & FUSE_BUF_IS_FD)); fuse_session_process(se->data, buf->mem, buf->size, ch); } } int fuse_session_receive_buf(struct fuse_session *se, struct fuse_buf *buf, struct fuse_chan **chp) { int res; if (se->receive_buf) { res = se->receive_buf(se, buf, chp); } else { res = fuse_chan_recv(chp, buf->mem, buf->size); if (res > 0) buf->size = res; } return res; } void fuse_session_destroy(struct fuse_session *se) { if (se->op.destroy) se->op.destroy(se->data); if (se->ch != NULL) fuse_chan_destroy(se->ch); free(se); } void fuse_session_exit(struct fuse_session *se) { if (se->op.exit) se->op.exit(se->data, 1); se->exited = 1; } void fuse_session_reset(struct fuse_session *se) { if (se->op.exit) se->op.exit(se->data, 0); se->exited = 0; } int fuse_session_exited(struct fuse_session *se) { if (se->op.exited) return se->op.exited(se->data); else return se->exited; } void *fuse_session_data(struct fuse_session *se) { return se->data; } static struct fuse_chan *fuse_chan_new_common(struct fuse_chan_ops *op, int fd, size_t bufsize, void *data, int compat) { struct fuse_chan *ch = (struct fuse_chan *) malloc(sizeof(*ch)); if (ch == NULL) { fprintf(stderr, "fuse: failed to allocate channel\n"); return NULL; } memset(ch, 0, sizeof(*ch)); ch->op = *op; ch->fd = fd; ch->bufsize = bufsize; ch->data = data; ch->compat = compat; return ch; } struct fuse_chan *fuse_chan_new(struct fuse_chan_ops *op, int fd, size_t bufsize, void *data) { return fuse_chan_new_common(op, fd, bufsize, data, 0); } struct fuse_chan *fuse_chan_new_compat24(struct fuse_chan_ops_compat24 *op, int fd, size_t bufsize, void *data) { return fuse_chan_new_common((struct fuse_chan_ops *) op, fd, bufsize, data, 24); } int fuse_chan_fd(struct fuse_chan *ch) { return ch->fd; } int fuse_chan_clearfd(struct fuse_chan *ch) { int fd = ch->fd; ch->fd = -1; return fd; } size_t fuse_chan_bufsize(struct fuse_chan *ch) { return ch->bufsize; } void *fuse_chan_data(struct fuse_chan *ch) { return ch->data; } struct fuse_session *fuse_chan_session(struct fuse_chan *ch) { return ch->se; } int fuse_chan_recv(struct fuse_chan **chp, char *buf, size_t size) { struct fuse_chan *ch = *chp; if (ch->compat) return ((struct fuse_chan_ops_compat24 *) &ch->op) ->receive(ch, buf, size); else return ch->op.receive(chp, buf, size); } int fuse_chan_receive(struct fuse_chan *ch, char *buf, size_t size) { int res; res = fuse_chan_recv(&ch, buf, size); return res >= 0 ? res : (res != -EINTR && res != -EAGAIN) ? -1 : 0; } int fuse_chan_send(struct fuse_chan *ch, const struct iovec iov[], size_t count) { return ch->op.send(ch, iov, count); } void fuse_chan_destroy(struct fuse_chan *ch) { fuse_session_remove_chan(ch); if (ch->op.destroy) ch->op.destroy(ch); free(ch); } #ifndef __FreeBSD__ FUSE_SYMVER(".symver fuse_chan_new_compat24,fuse_chan_new@FUSE_2.4"); #endif fuse-2.9.7/lib/mount.c0000644000175000017500000003474312732044257011511 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include "config.h" #include "fuse_i.h" #include "fuse_misc.h" #include "fuse_opt.h" #include "fuse_common_compat.h" #include "mount_util.h" #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __NetBSD__ #include #define MS_RDONLY MNT_RDONLY #define MS_NOSUID MNT_NOSUID #define MS_NODEV MNT_NODEV #define MS_NOEXEC MNT_NOEXEC #define MS_SYNCHRONOUS MNT_SYNCHRONOUS #define MS_NOATIME MNT_NOATIME #define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0) #endif #define FUSERMOUNT_PROG "fusermount" #define FUSE_COMMFD_ENV "_FUSE_COMMFD" #ifndef HAVE_FORK #define fork() vfork() #endif #ifndef MS_DIRSYNC #define MS_DIRSYNC 128 #endif enum { KEY_KERN_FLAG, KEY_KERN_OPT, KEY_FUSERMOUNT_OPT, KEY_SUBTYPE_OPT, KEY_MTAB_OPT, KEY_ALLOW_ROOT, KEY_RO, KEY_HELP, KEY_VERSION, }; struct mount_opts { int allow_other; int allow_root; int ishelp; int flags; int nonempty; int auto_unmount; int blkdev; char *fsname; char *subtype; char *subtype_opt; char *mtab_opts; char *fusermount_opts; char *kernel_opts; }; #define FUSE_MOUNT_OPT(t, p) { t, offsetof(struct mount_opts, p), 1 } static const struct fuse_opt fuse_mount_opts[] = { FUSE_MOUNT_OPT("allow_other", allow_other), FUSE_MOUNT_OPT("allow_root", allow_root), FUSE_MOUNT_OPT("nonempty", nonempty), FUSE_MOUNT_OPT("blkdev", blkdev), FUSE_MOUNT_OPT("auto_unmount", auto_unmount), FUSE_MOUNT_OPT("fsname=%s", fsname), FUSE_MOUNT_OPT("subtype=%s", subtype), FUSE_OPT_KEY("allow_other", KEY_KERN_OPT), FUSE_OPT_KEY("allow_root", KEY_ALLOW_ROOT), FUSE_OPT_KEY("nonempty", KEY_FUSERMOUNT_OPT), FUSE_OPT_KEY("auto_unmount", KEY_FUSERMOUNT_OPT), FUSE_OPT_KEY("blkdev", KEY_FUSERMOUNT_OPT), FUSE_OPT_KEY("fsname=", KEY_FUSERMOUNT_OPT), FUSE_OPT_KEY("subtype=", KEY_SUBTYPE_OPT), FUSE_OPT_KEY("large_read", KEY_KERN_OPT), FUSE_OPT_KEY("blksize=", KEY_KERN_OPT), FUSE_OPT_KEY("default_permissions", KEY_KERN_OPT), FUSE_OPT_KEY("context=", KEY_KERN_OPT), FUSE_OPT_KEY("fscontext=", KEY_KERN_OPT), FUSE_OPT_KEY("defcontext=", KEY_KERN_OPT), FUSE_OPT_KEY("rootcontext=", KEY_KERN_OPT), FUSE_OPT_KEY("max_read=", KEY_KERN_OPT), FUSE_OPT_KEY("max_read=", FUSE_OPT_KEY_KEEP), FUSE_OPT_KEY("user=", KEY_MTAB_OPT), FUSE_OPT_KEY("-r", KEY_RO), FUSE_OPT_KEY("ro", KEY_KERN_FLAG), FUSE_OPT_KEY("rw", KEY_KERN_FLAG), FUSE_OPT_KEY("suid", KEY_KERN_FLAG), FUSE_OPT_KEY("nosuid", KEY_KERN_FLAG), FUSE_OPT_KEY("dev", KEY_KERN_FLAG), FUSE_OPT_KEY("nodev", KEY_KERN_FLAG), FUSE_OPT_KEY("exec", KEY_KERN_FLAG), FUSE_OPT_KEY("noexec", KEY_KERN_FLAG), FUSE_OPT_KEY("async", KEY_KERN_FLAG), FUSE_OPT_KEY("sync", KEY_KERN_FLAG), FUSE_OPT_KEY("dirsync", KEY_KERN_FLAG), FUSE_OPT_KEY("atime", KEY_KERN_FLAG), FUSE_OPT_KEY("noatime", KEY_KERN_FLAG), FUSE_OPT_KEY("-h", KEY_HELP), FUSE_OPT_KEY("--help", KEY_HELP), FUSE_OPT_KEY("-V", KEY_VERSION), FUSE_OPT_KEY("--version", KEY_VERSION), FUSE_OPT_END }; static void mount_help(void) { fprintf(stderr, " -o allow_other allow access to other users\n" " -o allow_root allow access to root\n" " -o auto_unmount auto unmount on process termination\n" " -o nonempty allow mounts over non-empty file/dir\n" " -o default_permissions enable permission checking by kernel\n" " -o fsname=NAME set filesystem name\n" " -o subtype=NAME set filesystem type\n" " -o large_read issue large read requests (2.4 only)\n" " -o max_read=N set maximum size of read requests\n" "\n"); } static void exec_fusermount(const char *argv[]) { execv(FUSERMOUNT_DIR "/" FUSERMOUNT_PROG, (char **) argv); execvp(FUSERMOUNT_PROG, (char **) argv); } static void mount_version(void) { int pid = fork(); if (!pid) { const char *argv[] = { FUSERMOUNT_PROG, "--version", NULL }; exec_fusermount(argv); _exit(1); } else if (pid != -1) waitpid(pid, NULL, 0); } struct mount_flags { const char *opt; unsigned long flag; int on; }; static const struct mount_flags mount_flags[] = { {"rw", MS_RDONLY, 0}, {"ro", MS_RDONLY, 1}, {"suid", MS_NOSUID, 0}, {"nosuid", MS_NOSUID, 1}, {"dev", MS_NODEV, 0}, {"nodev", MS_NODEV, 1}, {"exec", MS_NOEXEC, 0}, {"noexec", MS_NOEXEC, 1}, {"async", MS_SYNCHRONOUS, 0}, {"sync", MS_SYNCHRONOUS, 1}, {"atime", MS_NOATIME, 0}, {"noatime", MS_NOATIME, 1}, #ifndef __NetBSD__ {"dirsync", MS_DIRSYNC, 1}, #endif {NULL, 0, 0} }; static void set_mount_flag(const char *s, int *flags) { int i; for (i = 0; mount_flags[i].opt != NULL; i++) { const char *opt = mount_flags[i].opt; if (strcmp(opt, s) == 0) { if (mount_flags[i].on) *flags |= mount_flags[i].flag; else *flags &= ~mount_flags[i].flag; return; } } fprintf(stderr, "fuse: internal error, can't find mount flag\n"); abort(); } static int fuse_mount_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) { struct mount_opts *mo = data; switch (key) { case KEY_ALLOW_ROOT: if (fuse_opt_add_opt(&mo->kernel_opts, "allow_other") == -1 || fuse_opt_add_arg(outargs, "-oallow_root") == -1) return -1; return 0; case KEY_RO: arg = "ro"; /* fall through */ case KEY_KERN_FLAG: set_mount_flag(arg, &mo->flags); return 0; case KEY_KERN_OPT: return fuse_opt_add_opt(&mo->kernel_opts, arg); case KEY_FUSERMOUNT_OPT: return fuse_opt_add_opt_escaped(&mo->fusermount_opts, arg); case KEY_SUBTYPE_OPT: return fuse_opt_add_opt(&mo->subtype_opt, arg); case KEY_MTAB_OPT: return fuse_opt_add_opt(&mo->mtab_opts, arg); case KEY_HELP: mount_help(); mo->ishelp = 1; break; case KEY_VERSION: mount_version(); mo->ishelp = 1; break; } return 1; } /* return value: * >= 0 => fd * -1 => error */ static int receive_fd(int fd) { struct msghdr msg; struct iovec iov; char buf[1]; int rv; size_t ccmsg[CMSG_SPACE(sizeof(int)) / sizeof(size_t)]; struct cmsghdr *cmsg; iov.iov_base = buf; iov.iov_len = 1; memset(&msg, 0, sizeof(msg)); msg.msg_name = 0; msg.msg_namelen = 0; msg.msg_iov = &iov; msg.msg_iovlen = 1; /* old BSD implementations should use msg_accrights instead of * msg_control; the interface is different. */ msg.msg_control = ccmsg; msg.msg_controllen = sizeof(ccmsg); while(((rv = recvmsg(fd, &msg, 0)) == -1) && errno == EINTR); if (rv == -1) { perror("recvmsg"); return -1; } if(!rv) { /* EOF */ return -1; } cmsg = CMSG_FIRSTHDR(&msg); if (cmsg->cmsg_type != SCM_RIGHTS) { fprintf(stderr, "got control message of unknown type %d\n", cmsg->cmsg_type); return -1; } return *(int*)CMSG_DATA(cmsg); } void fuse_kern_unmount(const char *mountpoint, int fd) { int res; int pid; if (!mountpoint) return; if (fd != -1) { struct pollfd pfd; pfd.fd = fd; pfd.events = 0; res = poll(&pfd, 1, 0); /* Need to close file descriptor, otherwise synchronous umount would recurse into filesystem, and deadlock. Caller expects fuse_kern_unmount to close the fd, so close it anyway. */ close(fd); /* If file poll returns POLLERR on the device file descriptor, then the filesystem is already unmounted */ if (res == 1 && (pfd.revents & POLLERR)) return; } if (geteuid() == 0) { fuse_mnt_umount("fuse", mountpoint, mountpoint, 1); return; } res = umount2(mountpoint, 2); if (res == 0) return; pid = fork(); if(pid == -1) return; if(pid == 0) { const char *argv[] = { FUSERMOUNT_PROG, "-u", "-q", "-z", "--", mountpoint, NULL }; exec_fusermount(argv); _exit(1); } waitpid(pid, NULL, 0); } void fuse_unmount_compat22(const char *mountpoint) { fuse_kern_unmount(mountpoint, -1); } static int fuse_mount_fusermount(const char *mountpoint, struct mount_opts *mo, const char *opts, int quiet) { int fds[2], pid; int res; int rv; if (!mountpoint) { fprintf(stderr, "fuse: missing mountpoint parameter\n"); return -1; } res = socketpair(PF_UNIX, SOCK_STREAM, 0, fds); if(res == -1) { perror("fuse: socketpair() failed"); return -1; } pid = fork(); if(pid == -1) { perror("fuse: fork() failed"); close(fds[0]); close(fds[1]); return -1; } if(pid == 0) { char env[10]; const char *argv[32]; int a = 0; if (quiet) { int fd = open("/dev/null", O_RDONLY); if (fd != -1) { dup2(fd, 1); dup2(fd, 2); } } argv[a++] = FUSERMOUNT_PROG; if (opts) { argv[a++] = "-o"; argv[a++] = opts; } argv[a++] = "--"; argv[a++] = mountpoint; argv[a++] = NULL; close(fds[1]); fcntl(fds[0], F_SETFD, 0); snprintf(env, sizeof(env), "%i", fds[0]); setenv(FUSE_COMMFD_ENV, env, 1); exec_fusermount(argv); perror("fuse: failed to exec fusermount"); _exit(1); } close(fds[0]); rv = receive_fd(fds[1]); if (!mo->auto_unmount) { /* with auto_unmount option fusermount will not exit until this socket is closed */ close(fds[1]); waitpid(pid, NULL, 0); /* bury zombie */ } return rv; } int fuse_mount_compat22(const char *mountpoint, const char *opts) { struct mount_opts mo; memset(&mo, 0, sizeof(mo)); mo.flags = MS_NOSUID | MS_NODEV; return fuse_mount_fusermount(mountpoint, &mo, opts, 0); } static int fuse_mount_sys(const char *mnt, struct mount_opts *mo, const char *mnt_opts) { char tmp[128]; const char *devname = "/dev/fuse"; char *source = NULL; char *type = NULL; struct stat stbuf; int fd; int res; if (!mnt) { fprintf(stderr, "fuse: missing mountpoint parameter\n"); return -1; } res = stat(mnt, &stbuf); if (res == -1) { fprintf(stderr ,"fuse: failed to access mountpoint %s: %s\n", mnt, strerror(errno)); return -1; } if (!mo->nonempty) { res = fuse_mnt_check_empty("fuse", mnt, stbuf.st_mode, stbuf.st_size); if (res == -1) return -1; } if (mo->auto_unmount) { /* Tell the caller to fallback to fusermount because auto-unmount does not work otherwise. */ return -2; } fd = open(devname, O_RDWR); if (fd == -1) { if (errno == ENODEV || errno == ENOENT) fprintf(stderr, "fuse: device not found, try 'modprobe fuse' first\n"); else fprintf(stderr, "fuse: failed to open %s: %s\n", devname, strerror(errno)); return -1; } snprintf(tmp, sizeof(tmp), "fd=%i,rootmode=%o,user_id=%u,group_id=%u", fd, stbuf.st_mode & S_IFMT, getuid(), getgid()); res = fuse_opt_add_opt(&mo->kernel_opts, tmp); if (res == -1) goto out_close; source = malloc((mo->fsname ? strlen(mo->fsname) : 0) + (mo->subtype ? strlen(mo->subtype) : 0) + strlen(devname) + 32); type = malloc((mo->subtype ? strlen(mo->subtype) : 0) + 32); if (!type || !source) { fprintf(stderr, "fuse: failed to allocate memory\n"); goto out_close; } strcpy(type, mo->blkdev ? "fuseblk" : "fuse"); if (mo->subtype) { strcat(type, "."); strcat(type, mo->subtype); } strcpy(source, mo->fsname ? mo->fsname : (mo->subtype ? mo->subtype : devname)); res = mount(source, mnt, type, mo->flags, mo->kernel_opts); if (res == -1 && errno == ENODEV && mo->subtype) { /* Probably missing subtype support */ strcpy(type, mo->blkdev ? "fuseblk" : "fuse"); if (mo->fsname) { if (!mo->blkdev) sprintf(source, "%s#%s", mo->subtype, mo->fsname); } else { strcpy(source, type); } res = mount(source, mnt, type, mo->flags, mo->kernel_opts); } if (res == -1) { /* * Maybe kernel doesn't support unprivileged mounts, in this * case try falling back to fusermount */ if (errno == EPERM) { res = -2; } else { int errno_save = errno; if (mo->blkdev && errno == ENODEV && !fuse_mnt_check_fuseblk()) fprintf(stderr, "fuse: 'fuseblk' support missing\n"); else fprintf(stderr, "fuse: mount failed: %s\n", strerror(errno_save)); } goto out_close; } #ifndef __NetBSD__ #ifndef IGNORE_MTAB if (geteuid() == 0) { char *newmnt = fuse_mnt_resolve_path("fuse", mnt); res = -1; if (!newmnt) goto out_umount; res = fuse_mnt_add_mount("fuse", source, newmnt, type, mnt_opts); free(newmnt); if (res == -1) goto out_umount; } #endif /* IGNORE_MTAB */ #endif /* __NetBSD__ */ free(type); free(source); return fd; out_umount: umount2(mnt, 2); /* lazy umount */ out_close: free(type); free(source); close(fd); return res; } static int get_mnt_flag_opts(char **mnt_optsp, int flags) { int i; if (!(flags & MS_RDONLY) && fuse_opt_add_opt(mnt_optsp, "rw") == -1) return -1; for (i = 0; mount_flags[i].opt != NULL; i++) { if (mount_flags[i].on && (flags & mount_flags[i].flag) && fuse_opt_add_opt(mnt_optsp, mount_flags[i].opt) == -1) return -1; } return 0; } int fuse_kern_mount(const char *mountpoint, struct fuse_args *args) { struct mount_opts mo; int res = -1; char *mnt_opts = NULL; memset(&mo, 0, sizeof(mo)); mo.flags = MS_NOSUID | MS_NODEV; if (args && fuse_opt_parse(args, &mo, fuse_mount_opts, fuse_mount_opt_proc) == -1) return -1; if (mo.allow_other && mo.allow_root) { fprintf(stderr, "fuse: 'allow_other' and 'allow_root' options are mutually exclusive\n"); goto out; } res = 0; if (mo.ishelp) goto out; res = -1; if (get_mnt_flag_opts(&mnt_opts, mo.flags) == -1) goto out; if (mo.kernel_opts && fuse_opt_add_opt(&mnt_opts, mo.kernel_opts) == -1) goto out; if (mo.mtab_opts && fuse_opt_add_opt(&mnt_opts, mo.mtab_opts) == -1) goto out; res = fuse_mount_sys(mountpoint, &mo, mnt_opts); if (res == -2) { if (mo.fusermount_opts && fuse_opt_add_opt(&mnt_opts, mo.fusermount_opts) == -1) goto out; if (mo.subtype) { char *tmp_opts = NULL; res = -1; if (fuse_opt_add_opt(&tmp_opts, mnt_opts) == -1 || fuse_opt_add_opt(&tmp_opts, mo.subtype_opt) == -1) { free(tmp_opts); goto out; } res = fuse_mount_fusermount(mountpoint, &mo, tmp_opts, 1); free(tmp_opts); if (res == -1) res = fuse_mount_fusermount(mountpoint, &mo, mnt_opts, 0); } else { res = fuse_mount_fusermount(mountpoint, &mo, mnt_opts, 0); } } out: free(mnt_opts); free(mo.fsname); free(mo.subtype); free(mo.fusermount_opts); free(mo.subtype_opt); free(mo.kernel_opts); free(mo.mtab_opts); return res; } FUSE_SYMVER(".symver fuse_mount_compat22,fuse_mount@FUSE_2.2"); FUSE_SYMVER(".symver fuse_unmount_compat22,fuse_unmount@FUSE_2.2"); fuse-2.9.7/lib/fuse_loop_mt.c0000644000175000017500000001312612732044227013027 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include "fuse_lowlevel.h" #include "fuse_misc.h" #include "fuse_kernel.h" #include "fuse_i.h" #include #include #include #include #include #include #include #include /* Environment var controlling the thread stack size */ #define ENVNAME_THREAD_STACK "FUSE_THREAD_STACK" struct fuse_worker { struct fuse_worker *prev; struct fuse_worker *next; pthread_t thread_id; size_t bufsize; char *buf; struct fuse_mt *mt; }; struct fuse_mt { pthread_mutex_t lock; int numworker; int numavail; struct fuse_session *se; struct fuse_chan *prevch; struct fuse_worker main; sem_t finish; int exit; int error; }; static void list_add_worker(struct fuse_worker *w, struct fuse_worker *next) { struct fuse_worker *prev = next->prev; w->next = next; w->prev = prev; prev->next = w; next->prev = w; } static void list_del_worker(struct fuse_worker *w) { struct fuse_worker *prev = w->prev; struct fuse_worker *next = w->next; prev->next = next; next->prev = prev; } static int fuse_loop_start_thread(struct fuse_mt *mt); static void *fuse_do_work(void *data) { struct fuse_worker *w = (struct fuse_worker *) data; struct fuse_mt *mt = w->mt; while (!fuse_session_exited(mt->se)) { int isforget = 0; struct fuse_chan *ch = mt->prevch; struct fuse_buf fbuf = { .mem = w->buf, .size = w->bufsize, }; int res; pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); res = fuse_session_receive_buf(mt->se, &fbuf, &ch); pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); if (res == -EINTR) continue; if (res <= 0) { if (res < 0) { fuse_session_exit(mt->se); mt->error = -1; } break; } pthread_mutex_lock(&mt->lock); if (mt->exit) { pthread_mutex_unlock(&mt->lock); return NULL; } /* * This disgusting hack is needed so that zillions of threads * are not created on a burst of FORGET messages */ if (!(fbuf.flags & FUSE_BUF_IS_FD)) { struct fuse_in_header *in = fbuf.mem; if (in->opcode == FUSE_FORGET || in->opcode == FUSE_BATCH_FORGET) isforget = 1; } if (!isforget) mt->numavail--; if (mt->numavail == 0) fuse_loop_start_thread(mt); pthread_mutex_unlock(&mt->lock); fuse_session_process_buf(mt->se, &fbuf, ch); pthread_mutex_lock(&mt->lock); if (!isforget) mt->numavail++; if (mt->numavail > 10) { if (mt->exit) { pthread_mutex_unlock(&mt->lock); return NULL; } list_del_worker(w); mt->numavail--; mt->numworker--; pthread_mutex_unlock(&mt->lock); pthread_detach(w->thread_id); free(w->buf); free(w); return NULL; } pthread_mutex_unlock(&mt->lock); } sem_post(&mt->finish); return NULL; } int fuse_start_thread(pthread_t *thread_id, void *(*func)(void *), void *arg) { sigset_t oldset; sigset_t newset; int res; pthread_attr_t attr; char *stack_size; /* Override default stack size */ pthread_attr_init(&attr); stack_size = getenv(ENVNAME_THREAD_STACK); if (stack_size && pthread_attr_setstacksize(&attr, atoi(stack_size))) fprintf(stderr, "fuse: invalid stack size: %s\n", stack_size); /* Disallow signal reception in worker threads */ sigemptyset(&newset); sigaddset(&newset, SIGTERM); sigaddset(&newset, SIGINT); sigaddset(&newset, SIGHUP); sigaddset(&newset, SIGQUIT); pthread_sigmask(SIG_BLOCK, &newset, &oldset); res = pthread_create(thread_id, &attr, func, arg); pthread_sigmask(SIG_SETMASK, &oldset, NULL); pthread_attr_destroy(&attr); if (res != 0) { fprintf(stderr, "fuse: error creating thread: %s\n", strerror(res)); return -1; } return 0; } static int fuse_loop_start_thread(struct fuse_mt *mt) { int res; struct fuse_worker *w = malloc(sizeof(struct fuse_worker)); if (!w) { fprintf(stderr, "fuse: failed to allocate worker structure\n"); return -1; } memset(w, 0, sizeof(struct fuse_worker)); w->bufsize = fuse_chan_bufsize(mt->prevch); w->buf = malloc(w->bufsize); w->mt = mt; if (!w->buf) { fprintf(stderr, "fuse: failed to allocate read buffer\n"); free(w); return -1; } res = fuse_start_thread(&w->thread_id, fuse_do_work, w); if (res == -1) { free(w->buf); free(w); return -1; } list_add_worker(w, &mt->main); mt->numavail ++; mt->numworker ++; return 0; } static void fuse_join_worker(struct fuse_mt *mt, struct fuse_worker *w) { pthread_join(w->thread_id, NULL); pthread_mutex_lock(&mt->lock); list_del_worker(w); pthread_mutex_unlock(&mt->lock); free(w->buf); free(w); } int fuse_session_loop_mt(struct fuse_session *se) { int err; struct fuse_mt mt; struct fuse_worker *w; memset(&mt, 0, sizeof(struct fuse_mt)); mt.se = se; mt.prevch = fuse_session_next_chan(se, NULL); mt.error = 0; mt.numworker = 0; mt.numavail = 0; mt.main.thread_id = pthread_self(); mt.main.prev = mt.main.next = &mt.main; sem_init(&mt.finish, 0, 0); fuse_mutex_init(&mt.lock); pthread_mutex_lock(&mt.lock); err = fuse_loop_start_thread(&mt); pthread_mutex_unlock(&mt.lock); if (!err) { /* sem_wait() is interruptible */ while (!fuse_session_exited(se)) sem_wait(&mt.finish); pthread_mutex_lock(&mt.lock); for (w = mt.main.next; w != &mt.main; w = w->next) pthread_cancel(w->thread_id); mt.exit = 1; pthread_mutex_unlock(&mt.lock); while (mt.main.next != &mt.main) fuse_join_worker(&mt, mt.main.next); err = mt.error; } pthread_mutex_destroy(&mt.lock); sem_destroy(&mt.finish); fuse_session_reset(se); return err; } fuse-2.9.7/lib/fuse_kern_chan.c0000644000175000017500000000421312732044227013303 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #include "fuse_lowlevel.h" #include "fuse_kernel.h" #include "fuse_i.h" #include #include #include #include static int fuse_kern_chan_receive(struct fuse_chan **chp, char *buf, size_t size) { struct fuse_chan *ch = *chp; int err; ssize_t res; struct fuse_session *se = fuse_chan_session(ch); assert(se != NULL); restart: res = read(fuse_chan_fd(ch), buf, size); err = errno; if (fuse_session_exited(se)) return 0; if (res == -1) { /* ENOENT means the operation was interrupted, it's safe to restart */ if (err == ENOENT) goto restart; if (err == ENODEV) { fuse_session_exit(se); return 0; } /* Errors occurring during normal operation: EINTR (read interrupted), EAGAIN (nonblocking I/O), ENODEV (filesystem umounted) */ if (err != EINTR && err != EAGAIN) perror("fuse: reading device"); return -err; } if ((size_t) res < sizeof(struct fuse_in_header)) { fprintf(stderr, "short read on fuse device\n"); return -EIO; } return res; } static int fuse_kern_chan_send(struct fuse_chan *ch, const struct iovec iov[], size_t count) { if (iov) { ssize_t res = writev(fuse_chan_fd(ch), iov, count); int err = errno; if (res == -1) { struct fuse_session *se = fuse_chan_session(ch); assert(se != NULL); /* ENOENT means the operation was interrupted */ if (!fuse_session_exited(se) && err != ENOENT) perror("fuse: writing device"); return -err; } } return 0; } static void fuse_kern_chan_destroy(struct fuse_chan *ch) { int fd = fuse_chan_fd(ch); if (fd != -1) close(fd); } #define MIN_BUFSIZE 0x21000 struct fuse_chan *fuse_kern_chan_new(int fd) { struct fuse_chan_ops op = { .receive = fuse_kern_chan_receive, .send = fuse_kern_chan_send, .destroy = fuse_kern_chan_destroy, }; size_t bufsize = getpagesize() + 0x1000; bufsize = bufsize < MIN_BUFSIZE ? MIN_BUFSIZE : bufsize; return fuse_chan_new(&op, fd, bufsize, NULL); } fuse-2.9.7/lib/fuse_lowlevel.c0000644000175000017500000021520012732044227013204 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #define _GNU_SOURCE #include "config.h" #include "fuse_i.h" #include "fuse_kernel.h" #include "fuse_opt.h" #include "fuse_misc.h" #include "fuse_common_compat.h" #include "fuse_lowlevel_compat.h" #include #include #include #include #include #include #include #include #include #ifndef F_LINUX_SPECIFIC_BASE #define F_LINUX_SPECIFIC_BASE 1024 #endif #ifndef F_SETPIPE_SZ #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7) #endif #define PARAM(inarg) (((char *)(inarg)) + sizeof(*(inarg))) #define OFFSET_MAX 0x7fffffffffffffffLL #define container_of(ptr, type, member) ({ \ const typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr - offsetof(type,member) );}) struct fuse_pollhandle { uint64_t kh; struct fuse_chan *ch; struct fuse_ll *f; }; static size_t pagesize; static __attribute__((constructor)) void fuse_ll_init_pagesize(void) { pagesize = getpagesize(); } static void convert_stat(const struct stat *stbuf, struct fuse_attr *attr) { attr->ino = stbuf->st_ino; attr->mode = stbuf->st_mode; attr->nlink = stbuf->st_nlink; attr->uid = stbuf->st_uid; attr->gid = stbuf->st_gid; attr->rdev = stbuf->st_rdev; attr->size = stbuf->st_size; attr->blksize = stbuf->st_blksize; attr->blocks = stbuf->st_blocks; attr->atime = stbuf->st_atime; attr->mtime = stbuf->st_mtime; attr->ctime = stbuf->st_ctime; attr->atimensec = ST_ATIM_NSEC(stbuf); attr->mtimensec = ST_MTIM_NSEC(stbuf); attr->ctimensec = ST_CTIM_NSEC(stbuf); } static void convert_attr(const struct fuse_setattr_in *attr, struct stat *stbuf) { stbuf->st_mode = attr->mode; stbuf->st_uid = attr->uid; stbuf->st_gid = attr->gid; stbuf->st_size = attr->size; stbuf->st_atime = attr->atime; stbuf->st_mtime = attr->mtime; ST_ATIM_NSEC_SET(stbuf, attr->atimensec); ST_MTIM_NSEC_SET(stbuf, attr->mtimensec); } static size_t iov_length(const struct iovec *iov, size_t count) { size_t seg; size_t ret = 0; for (seg = 0; seg < count; seg++) ret += iov[seg].iov_len; return ret; } static void list_init_req(struct fuse_req *req) { req->next = req; req->prev = req; } static void list_del_req(struct fuse_req *req) { struct fuse_req *prev = req->prev; struct fuse_req *next = req->next; prev->next = next; next->prev = prev; } static void list_add_req(struct fuse_req *req, struct fuse_req *next) { struct fuse_req *prev = next->prev; req->next = next; req->prev = prev; prev->next = req; next->prev = req; } static void destroy_req(fuse_req_t req) { pthread_mutex_destroy(&req->lock); free(req); } void fuse_free_req(fuse_req_t req) { int ctr; struct fuse_ll *f = req->f; pthread_mutex_lock(&f->lock); req->u.ni.func = NULL; req->u.ni.data = NULL; list_del_req(req); ctr = --req->ctr; pthread_mutex_unlock(&f->lock); if (!ctr) destroy_req(req); } static struct fuse_req *fuse_ll_alloc_req(struct fuse_ll *f) { struct fuse_req *req; req = (struct fuse_req *) calloc(1, sizeof(struct fuse_req)); if (req == NULL) { fprintf(stderr, "fuse: failed to allocate request\n"); } else { req->f = f; req->ctr = 1; list_init_req(req); fuse_mutex_init(&req->lock); } return req; } static int fuse_send_msg(struct fuse_ll *f, struct fuse_chan *ch, struct iovec *iov, int count) { struct fuse_out_header *out = iov[0].iov_base; out->len = iov_length(iov, count); if (f->debug) { if (out->unique == 0) { fprintf(stderr, "NOTIFY: code=%d length=%u\n", out->error, out->len); } else if (out->error) { fprintf(stderr, " unique: %llu, error: %i (%s), outsize: %i\n", (unsigned long long) out->unique, out->error, strerror(-out->error), out->len); } else { fprintf(stderr, " unique: %llu, success, outsize: %i\n", (unsigned long long) out->unique, out->len); } } return fuse_chan_send(ch, iov, count); } int fuse_send_reply_iov_nofree(fuse_req_t req, int error, struct iovec *iov, int count) { struct fuse_out_header out; if (error <= -1000 || error > 0) { fprintf(stderr, "fuse: bad error value: %i\n", error); error = -ERANGE; } out.unique = req->unique; out.error = error; iov[0].iov_base = &out; iov[0].iov_len = sizeof(struct fuse_out_header); return fuse_send_msg(req->f, req->ch, iov, count); } static int send_reply_iov(fuse_req_t req, int error, struct iovec *iov, int count) { int res; res = fuse_send_reply_iov_nofree(req, error, iov, count); fuse_free_req(req); return res; } static int send_reply(fuse_req_t req, int error, const void *arg, size_t argsize) { struct iovec iov[2]; int count = 1; if (argsize) { iov[1].iov_base = (void *) arg; iov[1].iov_len = argsize; count++; } return send_reply_iov(req, error, iov, count); } int fuse_reply_iov(fuse_req_t req, const struct iovec *iov, int count) { int res; struct iovec *padded_iov; padded_iov = malloc((count + 1) * sizeof(struct iovec)); if (padded_iov == NULL) return fuse_reply_err(req, ENOMEM); memcpy(padded_iov + 1, iov, count * sizeof(struct iovec)); count++; res = send_reply_iov(req, 0, padded_iov, count); free(padded_iov); return res; } size_t fuse_dirent_size(size_t namelen) { return FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + namelen); } char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf, off_t off) { unsigned namelen = strlen(name); unsigned entlen = FUSE_NAME_OFFSET + namelen; unsigned entsize = fuse_dirent_size(namelen); unsigned padlen = entsize - entlen; struct fuse_dirent *dirent = (struct fuse_dirent *) buf; dirent->ino = stbuf->st_ino; dirent->off = off; dirent->namelen = namelen; dirent->type = (stbuf->st_mode & 0170000) >> 12; strncpy(dirent->name, name, namelen); if (padlen) memset(buf + entlen, 0, padlen); return buf + entsize; } size_t fuse_add_direntry(fuse_req_t req, char *buf, size_t bufsize, const char *name, const struct stat *stbuf, off_t off) { size_t entsize; (void) req; entsize = fuse_dirent_size(strlen(name)); if (entsize <= bufsize && buf) fuse_add_dirent(buf, name, stbuf, off); return entsize; } static void convert_statfs(const struct statvfs *stbuf, struct fuse_kstatfs *kstatfs) { kstatfs->bsize = stbuf->f_bsize; kstatfs->frsize = stbuf->f_frsize; kstatfs->blocks = stbuf->f_blocks; kstatfs->bfree = stbuf->f_bfree; kstatfs->bavail = stbuf->f_bavail; kstatfs->files = stbuf->f_files; kstatfs->ffree = stbuf->f_ffree; kstatfs->namelen = stbuf->f_namemax; } static int send_reply_ok(fuse_req_t req, const void *arg, size_t argsize) { return send_reply(req, 0, arg, argsize); } int fuse_reply_err(fuse_req_t req, int err) { return send_reply(req, -err, NULL, 0); } void fuse_reply_none(fuse_req_t req) { if (req->ch) fuse_chan_send(req->ch, NULL, 0); fuse_free_req(req); } static unsigned long calc_timeout_sec(double t) { if (t > (double) ULONG_MAX) return ULONG_MAX; else if (t < 0.0) return 0; else return (unsigned long) t; } static unsigned int calc_timeout_nsec(double t) { double f = t - (double) calc_timeout_sec(t); if (f < 0.0) return 0; else if (f >= 0.999999999) return 999999999; else return (unsigned int) (f * 1.0e9); } static void fill_entry(struct fuse_entry_out *arg, const struct fuse_entry_param *e) { arg->nodeid = e->ino; arg->generation = e->generation; arg->entry_valid = calc_timeout_sec(e->entry_timeout); arg->entry_valid_nsec = calc_timeout_nsec(e->entry_timeout); arg->attr_valid = calc_timeout_sec(e->attr_timeout); arg->attr_valid_nsec = calc_timeout_nsec(e->attr_timeout); convert_stat(&e->attr, &arg->attr); } static void fill_open(struct fuse_open_out *arg, const struct fuse_file_info *f) { arg->fh = f->fh; if (f->direct_io) arg->open_flags |= FOPEN_DIRECT_IO; if (f->keep_cache) arg->open_flags |= FOPEN_KEEP_CACHE; if (f->nonseekable) arg->open_flags |= FOPEN_NONSEEKABLE; } int fuse_reply_entry(fuse_req_t req, const struct fuse_entry_param *e) { struct fuse_entry_out arg; size_t size = req->f->conn.proto_minor < 9 ? FUSE_COMPAT_ENTRY_OUT_SIZE : sizeof(arg); /* before ABI 7.4 e->ino == 0 was invalid, only ENOENT meant negative entry */ if (!e->ino && req->f->conn.proto_minor < 4) return fuse_reply_err(req, ENOENT); memset(&arg, 0, sizeof(arg)); fill_entry(&arg, e); return send_reply_ok(req, &arg, size); } int fuse_reply_create(fuse_req_t req, const struct fuse_entry_param *e, const struct fuse_file_info *f) { char buf[sizeof(struct fuse_entry_out) + sizeof(struct fuse_open_out)]; size_t entrysize = req->f->conn.proto_minor < 9 ? FUSE_COMPAT_ENTRY_OUT_SIZE : sizeof(struct fuse_entry_out); struct fuse_entry_out *earg = (struct fuse_entry_out *) buf; struct fuse_open_out *oarg = (struct fuse_open_out *) (buf + entrysize); memset(buf, 0, sizeof(buf)); fill_entry(earg, e); fill_open(oarg, f); return send_reply_ok(req, buf, entrysize + sizeof(struct fuse_open_out)); } int fuse_reply_attr(fuse_req_t req, const struct stat *attr, double attr_timeout) { struct fuse_attr_out arg; size_t size = req->f->conn.proto_minor < 9 ? FUSE_COMPAT_ATTR_OUT_SIZE : sizeof(arg); memset(&arg, 0, sizeof(arg)); arg.attr_valid = calc_timeout_sec(attr_timeout); arg.attr_valid_nsec = calc_timeout_nsec(attr_timeout); convert_stat(attr, &arg.attr); return send_reply_ok(req, &arg, size); } int fuse_reply_readlink(fuse_req_t req, const char *linkname) { return send_reply_ok(req, linkname, strlen(linkname)); } int fuse_reply_open(fuse_req_t req, const struct fuse_file_info *f) { struct fuse_open_out arg; memset(&arg, 0, sizeof(arg)); fill_open(&arg, f); return send_reply_ok(req, &arg, sizeof(arg)); } int fuse_reply_write(fuse_req_t req, size_t count) { struct fuse_write_out arg; memset(&arg, 0, sizeof(arg)); arg.size = count; return send_reply_ok(req, &arg, sizeof(arg)); } int fuse_reply_buf(fuse_req_t req, const char *buf, size_t size) { return send_reply_ok(req, buf, size); } static int fuse_send_data_iov_fallback(struct fuse_ll *f, struct fuse_chan *ch, struct iovec *iov, int iov_count, struct fuse_bufvec *buf, size_t len) { struct fuse_bufvec mem_buf = FUSE_BUFVEC_INIT(len); void *mbuf; int res; /* Optimize common case */ if (buf->count == 1 && buf->idx == 0 && buf->off == 0 && !(buf->buf[0].flags & FUSE_BUF_IS_FD)) { /* FIXME: also avoid memory copy if there are multiple buffers but none of them contain an fd */ iov[iov_count].iov_base = buf->buf[0].mem; iov[iov_count].iov_len = len; iov_count++; return fuse_send_msg(f, ch, iov, iov_count); } res = posix_memalign(&mbuf, pagesize, len); if (res != 0) return res; mem_buf.buf[0].mem = mbuf; res = fuse_buf_copy(&mem_buf, buf, 0); if (res < 0) { free(mbuf); return -res; } len = res; iov[iov_count].iov_base = mbuf; iov[iov_count].iov_len = len; iov_count++; res = fuse_send_msg(f, ch, iov, iov_count); free(mbuf); return res; } struct fuse_ll_pipe { size_t size; int can_grow; int pipe[2]; }; static void fuse_ll_pipe_free(struct fuse_ll_pipe *llp) { close(llp->pipe[0]); close(llp->pipe[1]); free(llp); } #ifdef HAVE_SPLICE static struct fuse_ll_pipe *fuse_ll_get_pipe(struct fuse_ll *f) { struct fuse_ll_pipe *llp = pthread_getspecific(f->pipe_key); if (llp == NULL) { int res; llp = malloc(sizeof(struct fuse_ll_pipe)); if (llp == NULL) return NULL; res = pipe(llp->pipe); if (res == -1) { free(llp); return NULL; } if (fcntl(llp->pipe[0], F_SETFL, O_NONBLOCK) == -1 || fcntl(llp->pipe[1], F_SETFL, O_NONBLOCK) == -1) { close(llp->pipe[0]); close(llp->pipe[1]); free(llp); return NULL; } /* *the default size is 16 pages on linux */ llp->size = pagesize * 16; llp->can_grow = 1; pthread_setspecific(f->pipe_key, llp); } return llp; } #endif static void fuse_ll_clear_pipe(struct fuse_ll *f) { struct fuse_ll_pipe *llp = pthread_getspecific(f->pipe_key); if (llp) { pthread_setspecific(f->pipe_key, NULL); fuse_ll_pipe_free(llp); } } #if defined(HAVE_SPLICE) && defined(HAVE_VMSPLICE) static int read_back(int fd, char *buf, size_t len) { int res; res = read(fd, buf, len); if (res == -1) { fprintf(stderr, "fuse: internal error: failed to read back from pipe: %s\n", strerror(errno)); return -EIO; } if (res != len) { fprintf(stderr, "fuse: internal error: short read back from pipe: %i from %zi\n", res, len); return -EIO; } return 0; } static int fuse_send_data_iov(struct fuse_ll *f, struct fuse_chan *ch, struct iovec *iov, int iov_count, struct fuse_bufvec *buf, unsigned int flags) { int res; size_t len = fuse_buf_size(buf); struct fuse_out_header *out = iov[0].iov_base; struct fuse_ll_pipe *llp; int splice_flags; size_t pipesize; size_t total_fd_size; size_t idx; size_t headerlen; struct fuse_bufvec pipe_buf = FUSE_BUFVEC_INIT(len); if (f->broken_splice_nonblock) goto fallback; if (flags & FUSE_BUF_NO_SPLICE) goto fallback; total_fd_size = 0; for (idx = buf->idx; idx < buf->count; idx++) { if (buf->buf[idx].flags & FUSE_BUF_IS_FD) { total_fd_size = buf->buf[idx].size; if (idx == buf->idx) total_fd_size -= buf->off; } } if (total_fd_size < 2 * pagesize) goto fallback; if (f->conn.proto_minor < 14 || !(f->conn.want & FUSE_CAP_SPLICE_WRITE)) goto fallback; llp = fuse_ll_get_pipe(f); if (llp == NULL) goto fallback; headerlen = iov_length(iov, iov_count); out->len = headerlen + len; /* * Heuristic for the required pipe size, does not work if the * source contains less than page size fragments */ pipesize = pagesize * (iov_count + buf->count + 1) + out->len; if (llp->size < pipesize) { if (llp->can_grow) { res = fcntl(llp->pipe[0], F_SETPIPE_SZ, pipesize); if (res == -1) { llp->can_grow = 0; goto fallback; } llp->size = res; } if (llp->size < pipesize) goto fallback; } res = vmsplice(llp->pipe[1], iov, iov_count, SPLICE_F_NONBLOCK); if (res == -1) goto fallback; if (res != headerlen) { res = -EIO; fprintf(stderr, "fuse: short vmsplice to pipe: %u/%zu\n", res, headerlen); goto clear_pipe; } pipe_buf.buf[0].flags = FUSE_BUF_IS_FD; pipe_buf.buf[0].fd = llp->pipe[1]; res = fuse_buf_copy(&pipe_buf, buf, FUSE_BUF_FORCE_SPLICE | FUSE_BUF_SPLICE_NONBLOCK); if (res < 0) { if (res == -EAGAIN || res == -EINVAL) { /* * Should only get EAGAIN on kernels with * broken SPLICE_F_NONBLOCK support (<= * 2.6.35) where this error or a short read is * returned even if the pipe itself is not * full * * EINVAL might mean that splice can't handle * this combination of input and output. */ if (res == -EAGAIN) f->broken_splice_nonblock = 1; pthread_setspecific(f->pipe_key, NULL); fuse_ll_pipe_free(llp); goto fallback; } res = -res; goto clear_pipe; } if (res != 0 && res < len) { struct fuse_bufvec mem_buf = FUSE_BUFVEC_INIT(len); void *mbuf; size_t now_len = res; /* * For regular files a short count is either * 1) due to EOF, or * 2) because of broken SPLICE_F_NONBLOCK (see above) * * For other inputs it's possible that we overflowed * the pipe because of small buffer fragments. */ res = posix_memalign(&mbuf, pagesize, len); if (res != 0) goto clear_pipe; mem_buf.buf[0].mem = mbuf; mem_buf.off = now_len; res = fuse_buf_copy(&mem_buf, buf, 0); if (res > 0) { char *tmpbuf; size_t extra_len = res; /* * Trickiest case: got more data. Need to get * back the data from the pipe and then fall * back to regular write. */ tmpbuf = malloc(headerlen); if (tmpbuf == NULL) { free(mbuf); res = ENOMEM; goto clear_pipe; } res = read_back(llp->pipe[0], tmpbuf, headerlen); free(tmpbuf); if (res != 0) { free(mbuf); goto clear_pipe; } res = read_back(llp->pipe[0], mbuf, now_len); if (res != 0) { free(mbuf); goto clear_pipe; } len = now_len + extra_len; iov[iov_count].iov_base = mbuf; iov[iov_count].iov_len = len; iov_count++; res = fuse_send_msg(f, ch, iov, iov_count); free(mbuf); return res; } free(mbuf); res = now_len; } len = res; out->len = headerlen + len; if (f->debug) { fprintf(stderr, " unique: %llu, success, outsize: %i (splice)\n", (unsigned long long) out->unique, out->len); } splice_flags = 0; if ((flags & FUSE_BUF_SPLICE_MOVE) && (f->conn.want & FUSE_CAP_SPLICE_MOVE)) splice_flags |= SPLICE_F_MOVE; res = splice(llp->pipe[0], NULL, fuse_chan_fd(ch), NULL, out->len, splice_flags); if (res == -1) { res = -errno; perror("fuse: splice from pipe"); goto clear_pipe; } if (res != out->len) { res = -EIO; fprintf(stderr, "fuse: short splice from pipe: %u/%u\n", res, out->len); goto clear_pipe; } return 0; clear_pipe: fuse_ll_clear_pipe(f); return res; fallback: return fuse_send_data_iov_fallback(f, ch, iov, iov_count, buf, len); } #else static int fuse_send_data_iov(struct fuse_ll *f, struct fuse_chan *ch, struct iovec *iov, int iov_count, struct fuse_bufvec *buf, unsigned int flags) { size_t len = fuse_buf_size(buf); (void) flags; return fuse_send_data_iov_fallback(f, ch, iov, iov_count, buf, len); } #endif int fuse_reply_data(fuse_req_t req, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags) { struct iovec iov[2]; struct fuse_out_header out; int res; iov[0].iov_base = &out; iov[0].iov_len = sizeof(struct fuse_out_header); out.unique = req->unique; out.error = 0; res = fuse_send_data_iov(req->f, req->ch, iov, 1, bufv, flags); if (res <= 0) { fuse_free_req(req); return res; } else { return fuse_reply_err(req, res); } } int fuse_reply_statfs(fuse_req_t req, const struct statvfs *stbuf) { struct fuse_statfs_out arg; size_t size = req->f->conn.proto_minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(arg); memset(&arg, 0, sizeof(arg)); convert_statfs(stbuf, &arg.st); return send_reply_ok(req, &arg, size); } int fuse_reply_xattr(fuse_req_t req, size_t count) { struct fuse_getxattr_out arg; memset(&arg, 0, sizeof(arg)); arg.size = count; return send_reply_ok(req, &arg, sizeof(arg)); } int fuse_reply_lock(fuse_req_t req, const struct flock *lock) { struct fuse_lk_out arg; memset(&arg, 0, sizeof(arg)); arg.lk.type = lock->l_type; if (lock->l_type != F_UNLCK) { arg.lk.start = lock->l_start; if (lock->l_len == 0) arg.lk.end = OFFSET_MAX; else arg.lk.end = lock->l_start + lock->l_len - 1; } arg.lk.pid = lock->l_pid; return send_reply_ok(req, &arg, sizeof(arg)); } int fuse_reply_bmap(fuse_req_t req, uint64_t idx) { struct fuse_bmap_out arg; memset(&arg, 0, sizeof(arg)); arg.block = idx; return send_reply_ok(req, &arg, sizeof(arg)); } static struct fuse_ioctl_iovec *fuse_ioctl_iovec_copy(const struct iovec *iov, size_t count) { struct fuse_ioctl_iovec *fiov; size_t i; fiov = malloc(sizeof(fiov[0]) * count); if (!fiov) return NULL; for (i = 0; i < count; i++) { fiov[i].base = (uintptr_t) iov[i].iov_base; fiov[i].len = iov[i].iov_len; } return fiov; } int fuse_reply_ioctl_retry(fuse_req_t req, const struct iovec *in_iov, size_t in_count, const struct iovec *out_iov, size_t out_count) { struct fuse_ioctl_out arg; struct fuse_ioctl_iovec *in_fiov = NULL; struct fuse_ioctl_iovec *out_fiov = NULL; struct iovec iov[4]; size_t count = 1; int res; memset(&arg, 0, sizeof(arg)); arg.flags |= FUSE_IOCTL_RETRY; arg.in_iovs = in_count; arg.out_iovs = out_count; iov[count].iov_base = &arg; iov[count].iov_len = sizeof(arg); count++; if (req->f->conn.proto_minor < 16) { if (in_count) { iov[count].iov_base = (void *)in_iov; iov[count].iov_len = sizeof(in_iov[0]) * in_count; count++; } if (out_count) { iov[count].iov_base = (void *)out_iov; iov[count].iov_len = sizeof(out_iov[0]) * out_count; count++; } } else { /* Can't handle non-compat 64bit ioctls on 32bit */ if (sizeof(void *) == 4 && req->ioctl_64bit) { res = fuse_reply_err(req, EINVAL); goto out; } if (in_count) { in_fiov = fuse_ioctl_iovec_copy(in_iov, in_count); if (!in_fiov) goto enomem; iov[count].iov_base = (void *)in_fiov; iov[count].iov_len = sizeof(in_fiov[0]) * in_count; count++; } if (out_count) { out_fiov = fuse_ioctl_iovec_copy(out_iov, out_count); if (!out_fiov) goto enomem; iov[count].iov_base = (void *)out_fiov; iov[count].iov_len = sizeof(out_fiov[0]) * out_count; count++; } } res = send_reply_iov(req, 0, iov, count); out: free(in_fiov); free(out_fiov); return res; enomem: res = fuse_reply_err(req, ENOMEM); goto out; } int fuse_reply_ioctl(fuse_req_t req, int result, const void *buf, size_t size) { struct fuse_ioctl_out arg; struct iovec iov[3]; size_t count = 1; memset(&arg, 0, sizeof(arg)); arg.result = result; iov[count].iov_base = &arg; iov[count].iov_len = sizeof(arg); count++; if (size) { iov[count].iov_base = (char *) buf; iov[count].iov_len = size; count++; } return send_reply_iov(req, 0, iov, count); } int fuse_reply_ioctl_iov(fuse_req_t req, int result, const struct iovec *iov, int count) { struct iovec *padded_iov; struct fuse_ioctl_out arg; int res; padded_iov = malloc((count + 2) * sizeof(struct iovec)); if (padded_iov == NULL) return fuse_reply_err(req, ENOMEM); memset(&arg, 0, sizeof(arg)); arg.result = result; padded_iov[1].iov_base = &arg; padded_iov[1].iov_len = sizeof(arg); memcpy(&padded_iov[2], iov, count * sizeof(struct iovec)); res = send_reply_iov(req, 0, padded_iov, count + 2); free(padded_iov); return res; } int fuse_reply_poll(fuse_req_t req, unsigned revents) { struct fuse_poll_out arg; memset(&arg, 0, sizeof(arg)); arg.revents = revents; return send_reply_ok(req, &arg, sizeof(arg)); } static void do_lookup(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { char *name = (char *) inarg; if (req->f->op.lookup) req->f->op.lookup(req, nodeid, name); else fuse_reply_err(req, ENOSYS); } static void do_forget(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_forget_in *arg = (struct fuse_forget_in *) inarg; if (req->f->op.forget) req->f->op.forget(req, nodeid, arg->nlookup); else fuse_reply_none(req); } static void do_batch_forget(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_batch_forget_in *arg = (void *) inarg; struct fuse_forget_one *param = (void *) PARAM(arg); unsigned int i; (void) nodeid; if (req->f->op.forget_multi) { req->f->op.forget_multi(req, arg->count, (struct fuse_forget_data *) param); } else if (req->f->op.forget) { for (i = 0; i < arg->count; i++) { struct fuse_forget_one *forget = ¶m[i]; struct fuse_req *dummy_req; dummy_req = fuse_ll_alloc_req(req->f); if (dummy_req == NULL) break; dummy_req->unique = req->unique; dummy_req->ctx = req->ctx; dummy_req->ch = NULL; req->f->op.forget(dummy_req, forget->nodeid, forget->nlookup); } fuse_reply_none(req); } else { fuse_reply_none(req); } } static void do_getattr(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_file_info *fip = NULL; struct fuse_file_info fi; if (req->f->conn.proto_minor >= 9) { struct fuse_getattr_in *arg = (struct fuse_getattr_in *) inarg; if (arg->getattr_flags & FUSE_GETATTR_FH) { memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; fip = &fi; } } if (req->f->op.getattr) req->f->op.getattr(req, nodeid, fip); else fuse_reply_err(req, ENOSYS); } static void do_setattr(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_setattr_in *arg = (struct fuse_setattr_in *) inarg; if (req->f->op.setattr) { struct fuse_file_info *fi = NULL; struct fuse_file_info fi_store; struct stat stbuf; memset(&stbuf, 0, sizeof(stbuf)); convert_attr(arg, &stbuf); if (arg->valid & FATTR_FH) { arg->valid &= ~FATTR_FH; memset(&fi_store, 0, sizeof(fi_store)); fi = &fi_store; fi->fh = arg->fh; fi->fh_old = fi->fh; } arg->valid &= FUSE_SET_ATTR_MODE | FUSE_SET_ATTR_UID | FUSE_SET_ATTR_GID | FUSE_SET_ATTR_SIZE | FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME | FUSE_SET_ATTR_ATIME_NOW | FUSE_SET_ATTR_MTIME_NOW; req->f->op.setattr(req, nodeid, &stbuf, arg->valid, fi); } else fuse_reply_err(req, ENOSYS); } static void do_access(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_access_in *arg = (struct fuse_access_in *) inarg; if (req->f->op.access) req->f->op.access(req, nodeid, arg->mask); else fuse_reply_err(req, ENOSYS); } static void do_readlink(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { (void) inarg; if (req->f->op.readlink) req->f->op.readlink(req, nodeid); else fuse_reply_err(req, ENOSYS); } static void do_mknod(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_mknod_in *arg = (struct fuse_mknod_in *) inarg; char *name = PARAM(arg); if (req->f->conn.proto_minor >= 12) req->ctx.umask = arg->umask; else name = (char *) inarg + FUSE_COMPAT_MKNOD_IN_SIZE; if (req->f->op.mknod) req->f->op.mknod(req, nodeid, name, arg->mode, arg->rdev); else fuse_reply_err(req, ENOSYS); } static void do_mkdir(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_mkdir_in *arg = (struct fuse_mkdir_in *) inarg; if (req->f->conn.proto_minor >= 12) req->ctx.umask = arg->umask; if (req->f->op.mkdir) req->f->op.mkdir(req, nodeid, PARAM(arg), arg->mode); else fuse_reply_err(req, ENOSYS); } static void do_unlink(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { char *name = (char *) inarg; if (req->f->op.unlink) req->f->op.unlink(req, nodeid, name); else fuse_reply_err(req, ENOSYS); } static void do_rmdir(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { char *name = (char *) inarg; if (req->f->op.rmdir) req->f->op.rmdir(req, nodeid, name); else fuse_reply_err(req, ENOSYS); } static void do_symlink(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { char *name = (char *) inarg; char *linkname = ((char *) inarg) + strlen((char *) inarg) + 1; if (req->f->op.symlink) req->f->op.symlink(req, linkname, nodeid, name); else fuse_reply_err(req, ENOSYS); } static void do_rename(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_rename_in *arg = (struct fuse_rename_in *) inarg; char *oldname = PARAM(arg); char *newname = oldname + strlen(oldname) + 1; if (req->f->op.rename) req->f->op.rename(req, nodeid, oldname, arg->newdir, newname); else fuse_reply_err(req, ENOSYS); } static void do_link(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_link_in *arg = (struct fuse_link_in *) inarg; if (req->f->op.link) req->f->op.link(req, arg->oldnodeid, nodeid, PARAM(arg)); else fuse_reply_err(req, ENOSYS); } static void do_create(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_create_in *arg = (struct fuse_create_in *) inarg; if (req->f->op.create) { struct fuse_file_info fi; char *name = PARAM(arg); memset(&fi, 0, sizeof(fi)); fi.flags = arg->flags; if (req->f->conn.proto_minor >= 12) req->ctx.umask = arg->umask; else name = (char *) inarg + sizeof(struct fuse_open_in); req->f->op.create(req, nodeid, name, arg->mode, &fi); } else fuse_reply_err(req, ENOSYS); } static void do_open(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_open_in *arg = (struct fuse_open_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.flags = arg->flags; if (req->f->op.open) req->f->op.open(req, nodeid, &fi); else fuse_reply_open(req, &fi); } static void do_read(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_read_in *arg = (struct fuse_read_in *) inarg; if (req->f->op.read) { struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; if (req->f->conn.proto_minor >= 9) { fi.lock_owner = arg->lock_owner; fi.flags = arg->flags; } req->f->op.read(req, nodeid, arg->size, arg->offset, &fi); } else fuse_reply_err(req, ENOSYS); } static void do_write(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_write_in *arg = (struct fuse_write_in *) inarg; struct fuse_file_info fi; char *param; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; fi.writepage = arg->write_flags & 1; if (req->f->conn.proto_minor < 9) { param = ((char *) arg) + FUSE_COMPAT_WRITE_IN_SIZE; } else { fi.lock_owner = arg->lock_owner; fi.flags = arg->flags; param = PARAM(arg); } if (req->f->op.write) req->f->op.write(req, nodeid, param, arg->size, arg->offset, &fi); else fuse_reply_err(req, ENOSYS); } static void do_write_buf(fuse_req_t req, fuse_ino_t nodeid, const void *inarg, const struct fuse_buf *ibuf) { struct fuse_ll *f = req->f; struct fuse_bufvec bufv = { .buf[0] = *ibuf, .count = 1, }; struct fuse_write_in *arg = (struct fuse_write_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; fi.writepage = arg->write_flags & 1; if (req->f->conn.proto_minor < 9) { bufv.buf[0].mem = ((char *) arg) + FUSE_COMPAT_WRITE_IN_SIZE; bufv.buf[0].size -= sizeof(struct fuse_in_header) + FUSE_COMPAT_WRITE_IN_SIZE; assert(!(bufv.buf[0].flags & FUSE_BUF_IS_FD)); } else { fi.lock_owner = arg->lock_owner; fi.flags = arg->flags; if (!(bufv.buf[0].flags & FUSE_BUF_IS_FD)) bufv.buf[0].mem = PARAM(arg); bufv.buf[0].size -= sizeof(struct fuse_in_header) + sizeof(struct fuse_write_in); } if (bufv.buf[0].size < arg->size) { fprintf(stderr, "fuse: do_write_buf: buffer size too small\n"); fuse_reply_err(req, EIO); goto out; } bufv.buf[0].size = arg->size; req->f->op.write_buf(req, nodeid, &bufv, arg->offset, &fi); out: /* Need to reset the pipe if ->write_buf() didn't consume all data */ if ((ibuf->flags & FUSE_BUF_IS_FD) && bufv.idx < bufv.count) fuse_ll_clear_pipe(f); } static void do_flush(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_flush_in *arg = (struct fuse_flush_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; fi.flush = 1; if (req->f->conn.proto_minor >= 7) fi.lock_owner = arg->lock_owner; if (req->f->op.flush) req->f->op.flush(req, nodeid, &fi); else fuse_reply_err(req, ENOSYS); } static void do_release(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_release_in *arg = (struct fuse_release_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.flags = arg->flags; fi.fh = arg->fh; fi.fh_old = fi.fh; if (req->f->conn.proto_minor >= 8) { fi.flush = (arg->release_flags & FUSE_RELEASE_FLUSH) ? 1 : 0; fi.lock_owner = arg->lock_owner; } if (arg->release_flags & FUSE_RELEASE_FLOCK_UNLOCK) { fi.flock_release = 1; fi.lock_owner = arg->lock_owner; } if (req->f->op.release) req->f->op.release(req, nodeid, &fi); else fuse_reply_err(req, 0); } static void do_fsync(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_fsync_in *arg = (struct fuse_fsync_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; if (req->f->op.fsync) req->f->op.fsync(req, nodeid, arg->fsync_flags & 1, &fi); else fuse_reply_err(req, ENOSYS); } static void do_opendir(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_open_in *arg = (struct fuse_open_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.flags = arg->flags; if (req->f->op.opendir) req->f->op.opendir(req, nodeid, &fi); else fuse_reply_open(req, &fi); } static void do_readdir(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_read_in *arg = (struct fuse_read_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; if (req->f->op.readdir) req->f->op.readdir(req, nodeid, arg->size, arg->offset, &fi); else fuse_reply_err(req, ENOSYS); } static void do_releasedir(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_release_in *arg = (struct fuse_release_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.flags = arg->flags; fi.fh = arg->fh; fi.fh_old = fi.fh; if (req->f->op.releasedir) req->f->op.releasedir(req, nodeid, &fi); else fuse_reply_err(req, 0); } static void do_fsyncdir(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_fsync_in *arg = (struct fuse_fsync_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; if (req->f->op.fsyncdir) req->f->op.fsyncdir(req, nodeid, arg->fsync_flags & 1, &fi); else fuse_reply_err(req, ENOSYS); } static void do_statfs(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { (void) nodeid; (void) inarg; if (req->f->op.statfs) req->f->op.statfs(req, nodeid); else { struct statvfs buf = { .f_namemax = 255, .f_bsize = 512, }; fuse_reply_statfs(req, &buf); } } static void do_setxattr(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_setxattr_in *arg = (struct fuse_setxattr_in *) inarg; char *name = PARAM(arg); char *value = name + strlen(name) + 1; if (req->f->op.setxattr) req->f->op.setxattr(req, nodeid, name, value, arg->size, arg->flags); else fuse_reply_err(req, ENOSYS); } static void do_getxattr(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_getxattr_in *arg = (struct fuse_getxattr_in *) inarg; if (req->f->op.getxattr) req->f->op.getxattr(req, nodeid, PARAM(arg), arg->size); else fuse_reply_err(req, ENOSYS); } static void do_listxattr(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_getxattr_in *arg = (struct fuse_getxattr_in *) inarg; if (req->f->op.listxattr) req->f->op.listxattr(req, nodeid, arg->size); else fuse_reply_err(req, ENOSYS); } static void do_removexattr(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { char *name = (char *) inarg; if (req->f->op.removexattr) req->f->op.removexattr(req, nodeid, name); else fuse_reply_err(req, ENOSYS); } static void convert_fuse_file_lock(struct fuse_file_lock *fl, struct flock *flock) { memset(flock, 0, sizeof(struct flock)); flock->l_type = fl->type; flock->l_whence = SEEK_SET; flock->l_start = fl->start; if (fl->end == OFFSET_MAX) flock->l_len = 0; else flock->l_len = fl->end - fl->start + 1; flock->l_pid = fl->pid; } static void do_getlk(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_lk_in *arg = (struct fuse_lk_in *) inarg; struct fuse_file_info fi; struct flock flock; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.lock_owner = arg->owner; convert_fuse_file_lock(&arg->lk, &flock); if (req->f->op.getlk) req->f->op.getlk(req, nodeid, &fi, &flock); else fuse_reply_err(req, ENOSYS); } static void do_setlk_common(fuse_req_t req, fuse_ino_t nodeid, const void *inarg, int sleep) { struct fuse_lk_in *arg = (struct fuse_lk_in *) inarg; struct fuse_file_info fi; struct flock flock; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.lock_owner = arg->owner; if (arg->lk_flags & FUSE_LK_FLOCK) { int op = 0; switch (arg->lk.type) { case F_RDLCK: op = LOCK_SH; break; case F_WRLCK: op = LOCK_EX; break; case F_UNLCK: op = LOCK_UN; break; } if (!sleep) op |= LOCK_NB; if (req->f->op.flock) req->f->op.flock(req, nodeid, &fi, op); else fuse_reply_err(req, ENOSYS); } else { convert_fuse_file_lock(&arg->lk, &flock); if (req->f->op.setlk) req->f->op.setlk(req, nodeid, &fi, &flock, sleep); else fuse_reply_err(req, ENOSYS); } } static void do_setlk(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { do_setlk_common(req, nodeid, inarg, 0); } static void do_setlkw(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { do_setlk_common(req, nodeid, inarg, 1); } static int find_interrupted(struct fuse_ll *f, struct fuse_req *req) { struct fuse_req *curr; for (curr = f->list.next; curr != &f->list; curr = curr->next) { if (curr->unique == req->u.i.unique) { fuse_interrupt_func_t func; void *data; curr->ctr++; pthread_mutex_unlock(&f->lock); /* Ugh, ugly locking */ pthread_mutex_lock(&curr->lock); pthread_mutex_lock(&f->lock); curr->interrupted = 1; func = curr->u.ni.func; data = curr->u.ni.data; pthread_mutex_unlock(&f->lock); if (func) func(curr, data); pthread_mutex_unlock(&curr->lock); pthread_mutex_lock(&f->lock); curr->ctr--; if (!curr->ctr) destroy_req(curr); return 1; } } for (curr = f->interrupts.next; curr != &f->interrupts; curr = curr->next) { if (curr->u.i.unique == req->u.i.unique) return 1; } return 0; } static void do_interrupt(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_interrupt_in *arg = (struct fuse_interrupt_in *) inarg; struct fuse_ll *f = req->f; (void) nodeid; if (f->debug) fprintf(stderr, "INTERRUPT: %llu\n", (unsigned long long) arg->unique); req->u.i.unique = arg->unique; pthread_mutex_lock(&f->lock); if (find_interrupted(f, req)) destroy_req(req); else list_add_req(req, &f->interrupts); pthread_mutex_unlock(&f->lock); } static struct fuse_req *check_interrupt(struct fuse_ll *f, struct fuse_req *req) { struct fuse_req *curr; for (curr = f->interrupts.next; curr != &f->interrupts; curr = curr->next) { if (curr->u.i.unique == req->unique) { req->interrupted = 1; list_del_req(curr); free(curr); return NULL; } } curr = f->interrupts.next; if (curr != &f->interrupts) { list_del_req(curr); list_init_req(curr); return curr; } else return NULL; } static void do_bmap(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_bmap_in *arg = (struct fuse_bmap_in *) inarg; if (req->f->op.bmap) req->f->op.bmap(req, nodeid, arg->blocksize, arg->block); else fuse_reply_err(req, ENOSYS); } static void do_ioctl(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_ioctl_in *arg = (struct fuse_ioctl_in *) inarg; unsigned int flags = arg->flags; void *in_buf = arg->in_size ? PARAM(arg) : NULL; struct fuse_file_info fi; if (flags & FUSE_IOCTL_DIR && !(req->f->conn.want & FUSE_CAP_IOCTL_DIR)) { fuse_reply_err(req, ENOTTY); return; } memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; if (sizeof(void *) == 4 && req->f->conn.proto_minor >= 16 && !(flags & FUSE_IOCTL_32BIT)) { req->ioctl_64bit = 1; } if (req->f->op.ioctl) req->f->op.ioctl(req, nodeid, arg->cmd, (void *)(uintptr_t)arg->arg, &fi, flags, in_buf, arg->in_size, arg->out_size); else fuse_reply_err(req, ENOSYS); } void fuse_pollhandle_destroy(struct fuse_pollhandle *ph) { free(ph); } static void do_poll(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_poll_in *arg = (struct fuse_poll_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; fi.fh_old = fi.fh; if (req->f->op.poll) { struct fuse_pollhandle *ph = NULL; if (arg->flags & FUSE_POLL_SCHEDULE_NOTIFY) { ph = malloc(sizeof(struct fuse_pollhandle)); if (ph == NULL) { fuse_reply_err(req, ENOMEM); return; } ph->kh = arg->kh; ph->ch = req->ch; ph->f = req->f; } req->f->op.poll(req, nodeid, &fi, ph); } else { fuse_reply_err(req, ENOSYS); } } static void do_fallocate(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_fallocate_in *arg = (struct fuse_fallocate_in *) inarg; struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; if (req->f->op.fallocate) req->f->op.fallocate(req, nodeid, arg->mode, arg->offset, arg->length, &fi); else fuse_reply_err(req, ENOSYS); } static void do_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_init_in *arg = (struct fuse_init_in *) inarg; struct fuse_init_out outarg; struct fuse_ll *f = req->f; size_t bufsize = fuse_chan_bufsize(req->ch); (void) nodeid; if (f->debug) { fprintf(stderr, "INIT: %u.%u\n", arg->major, arg->minor); if (arg->major == 7 && arg->minor >= 6) { fprintf(stderr, "flags=0x%08x\n", arg->flags); fprintf(stderr, "max_readahead=0x%08x\n", arg->max_readahead); } } f->conn.proto_major = arg->major; f->conn.proto_minor = arg->minor; f->conn.capable = 0; f->conn.want = 0; memset(&outarg, 0, sizeof(outarg)); outarg.major = FUSE_KERNEL_VERSION; outarg.minor = FUSE_KERNEL_MINOR_VERSION; if (arg->major < 7) { fprintf(stderr, "fuse: unsupported protocol version: %u.%u\n", arg->major, arg->minor); fuse_reply_err(req, EPROTO); return; } if (arg->major > 7) { /* Wait for a second INIT request with a 7.X version */ send_reply_ok(req, &outarg, sizeof(outarg)); return; } if (arg->minor >= 6) { if (f->conn.async_read) f->conn.async_read = arg->flags & FUSE_ASYNC_READ; if (arg->max_readahead < f->conn.max_readahead) f->conn.max_readahead = arg->max_readahead; if (arg->flags & FUSE_ASYNC_READ) f->conn.capable |= FUSE_CAP_ASYNC_READ; if (arg->flags & FUSE_POSIX_LOCKS) f->conn.capable |= FUSE_CAP_POSIX_LOCKS; if (arg->flags & FUSE_ATOMIC_O_TRUNC) f->conn.capable |= FUSE_CAP_ATOMIC_O_TRUNC; if (arg->flags & FUSE_EXPORT_SUPPORT) f->conn.capable |= FUSE_CAP_EXPORT_SUPPORT; if (arg->flags & FUSE_BIG_WRITES) f->conn.capable |= FUSE_CAP_BIG_WRITES; if (arg->flags & FUSE_DONT_MASK) f->conn.capable |= FUSE_CAP_DONT_MASK; if (arg->flags & FUSE_FLOCK_LOCKS) f->conn.capable |= FUSE_CAP_FLOCK_LOCKS; } else { f->conn.async_read = 0; f->conn.max_readahead = 0; } if (req->f->conn.proto_minor >= 14) { #ifdef HAVE_SPLICE #ifdef HAVE_VMSPLICE f->conn.capable |= FUSE_CAP_SPLICE_WRITE | FUSE_CAP_SPLICE_MOVE; if (f->splice_write) f->conn.want |= FUSE_CAP_SPLICE_WRITE; if (f->splice_move) f->conn.want |= FUSE_CAP_SPLICE_MOVE; #endif f->conn.capable |= FUSE_CAP_SPLICE_READ; if (f->splice_read) f->conn.want |= FUSE_CAP_SPLICE_READ; #endif } if (req->f->conn.proto_minor >= 18) f->conn.capable |= FUSE_CAP_IOCTL_DIR; if (f->atomic_o_trunc) f->conn.want |= FUSE_CAP_ATOMIC_O_TRUNC; if (f->op.getlk && f->op.setlk && !f->no_remote_posix_lock) f->conn.want |= FUSE_CAP_POSIX_LOCKS; if (f->op.flock && !f->no_remote_flock) f->conn.want |= FUSE_CAP_FLOCK_LOCKS; if (f->big_writes) f->conn.want |= FUSE_CAP_BIG_WRITES; if (bufsize < FUSE_MIN_READ_BUFFER) { fprintf(stderr, "fuse: warning: buffer size too small: %zu\n", bufsize); bufsize = FUSE_MIN_READ_BUFFER; } bufsize -= 4096; if (bufsize < f->conn.max_write) f->conn.max_write = bufsize; f->got_init = 1; if (f->op.init) f->op.init(f->userdata, &f->conn); if (f->no_splice_read) f->conn.want &= ~FUSE_CAP_SPLICE_READ; if (f->no_splice_write) f->conn.want &= ~FUSE_CAP_SPLICE_WRITE; if (f->no_splice_move) f->conn.want &= ~FUSE_CAP_SPLICE_MOVE; if (f->conn.async_read || (f->conn.want & FUSE_CAP_ASYNC_READ)) outarg.flags |= FUSE_ASYNC_READ; if (f->conn.want & FUSE_CAP_POSIX_LOCKS) outarg.flags |= FUSE_POSIX_LOCKS; if (f->conn.want & FUSE_CAP_ATOMIC_O_TRUNC) outarg.flags |= FUSE_ATOMIC_O_TRUNC; if (f->conn.want & FUSE_CAP_EXPORT_SUPPORT) outarg.flags |= FUSE_EXPORT_SUPPORT; if (f->conn.want & FUSE_CAP_BIG_WRITES) outarg.flags |= FUSE_BIG_WRITES; if (f->conn.want & FUSE_CAP_DONT_MASK) outarg.flags |= FUSE_DONT_MASK; if (f->conn.want & FUSE_CAP_FLOCK_LOCKS) outarg.flags |= FUSE_FLOCK_LOCKS; outarg.max_readahead = f->conn.max_readahead; outarg.max_write = f->conn.max_write; if (f->conn.proto_minor >= 13) { if (f->conn.max_background >= (1 << 16)) f->conn.max_background = (1 << 16) - 1; if (f->conn.congestion_threshold > f->conn.max_background) f->conn.congestion_threshold = f->conn.max_background; if (!f->conn.congestion_threshold) { f->conn.congestion_threshold = f->conn.max_background * 3 / 4; } outarg.max_background = f->conn.max_background; outarg.congestion_threshold = f->conn.congestion_threshold; } if (f->debug) { fprintf(stderr, " INIT: %u.%u\n", outarg.major, outarg.minor); fprintf(stderr, " flags=0x%08x\n", outarg.flags); fprintf(stderr, " max_readahead=0x%08x\n", outarg.max_readahead); fprintf(stderr, " max_write=0x%08x\n", outarg.max_write); fprintf(stderr, " max_background=%i\n", outarg.max_background); fprintf(stderr, " congestion_threshold=%i\n", outarg.congestion_threshold); } send_reply_ok(req, &outarg, arg->minor < 5 ? 8 : sizeof(outarg)); } static void do_destroy(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_ll *f = req->f; (void) nodeid; (void) inarg; f->got_destroy = 1; if (f->op.destroy) f->op.destroy(f->userdata); send_reply_ok(req, NULL, 0); } static void list_del_nreq(struct fuse_notify_req *nreq) { struct fuse_notify_req *prev = nreq->prev; struct fuse_notify_req *next = nreq->next; prev->next = next; next->prev = prev; } static void list_add_nreq(struct fuse_notify_req *nreq, struct fuse_notify_req *next) { struct fuse_notify_req *prev = next->prev; nreq->next = next; nreq->prev = prev; prev->next = nreq; next->prev = nreq; } static void list_init_nreq(struct fuse_notify_req *nreq) { nreq->next = nreq; nreq->prev = nreq; } static void do_notify_reply(fuse_req_t req, fuse_ino_t nodeid, const void *inarg, const struct fuse_buf *buf) { struct fuse_ll *f = req->f; struct fuse_notify_req *nreq; struct fuse_notify_req *head; pthread_mutex_lock(&f->lock); head = &f->notify_list; for (nreq = head->next; nreq != head; nreq = nreq->next) { if (nreq->unique == req->unique) { list_del_nreq(nreq); break; } } pthread_mutex_unlock(&f->lock); if (nreq != head) nreq->reply(nreq, req, nodeid, inarg, buf); } static int send_notify_iov(struct fuse_ll *f, struct fuse_chan *ch, int notify_code, struct iovec *iov, int count) { struct fuse_out_header out; if (!f->got_init) return -ENOTCONN; out.unique = 0; out.error = notify_code; iov[0].iov_base = &out; iov[0].iov_len = sizeof(struct fuse_out_header); return fuse_send_msg(f, ch, iov, count); } int fuse_lowlevel_notify_poll(struct fuse_pollhandle *ph) { if (ph != NULL) { struct fuse_notify_poll_wakeup_out outarg; struct iovec iov[2]; outarg.kh = ph->kh; iov[1].iov_base = &outarg; iov[1].iov_len = sizeof(outarg); return send_notify_iov(ph->f, ph->ch, FUSE_NOTIFY_POLL, iov, 2); } else { return 0; } } int fuse_lowlevel_notify_inval_inode(struct fuse_chan *ch, fuse_ino_t ino, off_t off, off_t len) { struct fuse_notify_inval_inode_out outarg; struct fuse_ll *f; struct iovec iov[2]; if (!ch) return -EINVAL; f = (struct fuse_ll *)fuse_session_data(fuse_chan_session(ch)); if (!f) return -ENODEV; outarg.ino = ino; outarg.off = off; outarg.len = len; iov[1].iov_base = &outarg; iov[1].iov_len = sizeof(outarg); return send_notify_iov(f, ch, FUSE_NOTIFY_INVAL_INODE, iov, 2); } int fuse_lowlevel_notify_inval_entry(struct fuse_chan *ch, fuse_ino_t parent, const char *name, size_t namelen) { struct fuse_notify_inval_entry_out outarg; struct fuse_ll *f; struct iovec iov[3]; if (!ch) return -EINVAL; f = (struct fuse_ll *)fuse_session_data(fuse_chan_session(ch)); if (!f) return -ENODEV; outarg.parent = parent; outarg.namelen = namelen; outarg.padding = 0; iov[1].iov_base = &outarg; iov[1].iov_len = sizeof(outarg); iov[2].iov_base = (void *)name; iov[2].iov_len = namelen + 1; return send_notify_iov(f, ch, FUSE_NOTIFY_INVAL_ENTRY, iov, 3); } int fuse_lowlevel_notify_delete(struct fuse_chan *ch, fuse_ino_t parent, fuse_ino_t child, const char *name, size_t namelen) { struct fuse_notify_delete_out outarg; struct fuse_ll *f; struct iovec iov[3]; if (!ch) return -EINVAL; f = (struct fuse_ll *)fuse_session_data(fuse_chan_session(ch)); if (!f) return -ENODEV; if (f->conn.proto_minor < 18) return -ENOSYS; outarg.parent = parent; outarg.child = child; outarg.namelen = namelen; outarg.padding = 0; iov[1].iov_base = &outarg; iov[1].iov_len = sizeof(outarg); iov[2].iov_base = (void *)name; iov[2].iov_len = namelen + 1; return send_notify_iov(f, ch, FUSE_NOTIFY_DELETE, iov, 3); } int fuse_lowlevel_notify_store(struct fuse_chan *ch, fuse_ino_t ino, off_t offset, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags) { struct fuse_out_header out; struct fuse_notify_store_out outarg; struct fuse_ll *f; struct iovec iov[3]; size_t size = fuse_buf_size(bufv); int res; if (!ch) return -EINVAL; f = (struct fuse_ll *)fuse_session_data(fuse_chan_session(ch)); if (!f) return -ENODEV; if (f->conn.proto_minor < 15) return -ENOSYS; out.unique = 0; out.error = FUSE_NOTIFY_STORE; outarg.nodeid = ino; outarg.offset = offset; outarg.size = size; outarg.padding = 0; iov[0].iov_base = &out; iov[0].iov_len = sizeof(out); iov[1].iov_base = &outarg; iov[1].iov_len = sizeof(outarg); res = fuse_send_data_iov(f, ch, iov, 2, bufv, flags); if (res > 0) res = -res; return res; } struct fuse_retrieve_req { struct fuse_notify_req nreq; void *cookie; }; static void fuse_ll_retrieve_reply(struct fuse_notify_req *nreq, fuse_req_t req, fuse_ino_t ino, const void *inarg, const struct fuse_buf *ibuf) { struct fuse_ll *f = req->f; struct fuse_retrieve_req *rreq = container_of(nreq, struct fuse_retrieve_req, nreq); const struct fuse_notify_retrieve_in *arg = inarg; struct fuse_bufvec bufv = { .buf[0] = *ibuf, .count = 1, }; if (!(bufv.buf[0].flags & FUSE_BUF_IS_FD)) bufv.buf[0].mem = PARAM(arg); bufv.buf[0].size -= sizeof(struct fuse_in_header) + sizeof(struct fuse_notify_retrieve_in); if (bufv.buf[0].size < arg->size) { fprintf(stderr, "fuse: retrieve reply: buffer size too small\n"); fuse_reply_none(req); goto out; } bufv.buf[0].size = arg->size; if (req->f->op.retrieve_reply) { req->f->op.retrieve_reply(req, rreq->cookie, ino, arg->offset, &bufv); } else { fuse_reply_none(req); } out: free(rreq); if ((ibuf->flags & FUSE_BUF_IS_FD) && bufv.idx < bufv.count) fuse_ll_clear_pipe(f); } int fuse_lowlevel_notify_retrieve(struct fuse_chan *ch, fuse_ino_t ino, size_t size, off_t offset, void *cookie) { struct fuse_notify_retrieve_out outarg; struct fuse_ll *f; struct iovec iov[2]; struct fuse_retrieve_req *rreq; int err; if (!ch) return -EINVAL; f = (struct fuse_ll *)fuse_session_data(fuse_chan_session(ch)); if (!f) return -ENODEV; if (f->conn.proto_minor < 15) return -ENOSYS; rreq = malloc(sizeof(*rreq)); if (rreq == NULL) return -ENOMEM; pthread_mutex_lock(&f->lock); rreq->cookie = cookie; rreq->nreq.unique = f->notify_ctr++; rreq->nreq.reply = fuse_ll_retrieve_reply; list_add_nreq(&rreq->nreq, &f->notify_list); pthread_mutex_unlock(&f->lock); outarg.notify_unique = rreq->nreq.unique; outarg.nodeid = ino; outarg.offset = offset; outarg.size = size; iov[1].iov_base = &outarg; iov[1].iov_len = sizeof(outarg); err = send_notify_iov(f, ch, FUSE_NOTIFY_RETRIEVE, iov, 2); if (err) { pthread_mutex_lock(&f->lock); list_del_nreq(&rreq->nreq); pthread_mutex_unlock(&f->lock); free(rreq); } return err; } void *fuse_req_userdata(fuse_req_t req) { return req->f->userdata; } const struct fuse_ctx *fuse_req_ctx(fuse_req_t req) { return &req->ctx; } /* * The size of fuse_ctx got extended, so need to be careful about * incompatibility (i.e. a new binary cannot work with an old * library). */ const struct fuse_ctx *fuse_req_ctx_compat24(fuse_req_t req); const struct fuse_ctx *fuse_req_ctx_compat24(fuse_req_t req) { return fuse_req_ctx(req); } #ifndef __NetBSD__ FUSE_SYMVER(".symver fuse_req_ctx_compat24,fuse_req_ctx@FUSE_2.4"); #endif void fuse_req_interrupt_func(fuse_req_t req, fuse_interrupt_func_t func, void *data) { pthread_mutex_lock(&req->lock); pthread_mutex_lock(&req->f->lock); req->u.ni.func = func; req->u.ni.data = data; pthread_mutex_unlock(&req->f->lock); if (req->interrupted && func) func(req, data); pthread_mutex_unlock(&req->lock); } int fuse_req_interrupted(fuse_req_t req) { int interrupted; pthread_mutex_lock(&req->f->lock); interrupted = req->interrupted; pthread_mutex_unlock(&req->f->lock); return interrupted; } static struct { void (*func)(fuse_req_t, fuse_ino_t, const void *); const char *name; } fuse_ll_ops[] = { [FUSE_LOOKUP] = { do_lookup, "LOOKUP" }, [FUSE_FORGET] = { do_forget, "FORGET" }, [FUSE_GETATTR] = { do_getattr, "GETATTR" }, [FUSE_SETATTR] = { do_setattr, "SETATTR" }, [FUSE_READLINK] = { do_readlink, "READLINK" }, [FUSE_SYMLINK] = { do_symlink, "SYMLINK" }, [FUSE_MKNOD] = { do_mknod, "MKNOD" }, [FUSE_MKDIR] = { do_mkdir, "MKDIR" }, [FUSE_UNLINK] = { do_unlink, "UNLINK" }, [FUSE_RMDIR] = { do_rmdir, "RMDIR" }, [FUSE_RENAME] = { do_rename, "RENAME" }, [FUSE_LINK] = { do_link, "LINK" }, [FUSE_OPEN] = { do_open, "OPEN" }, [FUSE_READ] = { do_read, "READ" }, [FUSE_WRITE] = { do_write, "WRITE" }, [FUSE_STATFS] = { do_statfs, "STATFS" }, [FUSE_RELEASE] = { do_release, "RELEASE" }, [FUSE_FSYNC] = { do_fsync, "FSYNC" }, [FUSE_SETXATTR] = { do_setxattr, "SETXATTR" }, [FUSE_GETXATTR] = { do_getxattr, "GETXATTR" }, [FUSE_LISTXATTR] = { do_listxattr, "LISTXATTR" }, [FUSE_REMOVEXATTR] = { do_removexattr, "REMOVEXATTR" }, [FUSE_FLUSH] = { do_flush, "FLUSH" }, [FUSE_INIT] = { do_init, "INIT" }, [FUSE_OPENDIR] = { do_opendir, "OPENDIR" }, [FUSE_READDIR] = { do_readdir, "READDIR" }, [FUSE_RELEASEDIR] = { do_releasedir, "RELEASEDIR" }, [FUSE_FSYNCDIR] = { do_fsyncdir, "FSYNCDIR" }, [FUSE_GETLK] = { do_getlk, "GETLK" }, [FUSE_SETLK] = { do_setlk, "SETLK" }, [FUSE_SETLKW] = { do_setlkw, "SETLKW" }, [FUSE_ACCESS] = { do_access, "ACCESS" }, [FUSE_CREATE] = { do_create, "CREATE" }, [FUSE_INTERRUPT] = { do_interrupt, "INTERRUPT" }, [FUSE_BMAP] = { do_bmap, "BMAP" }, [FUSE_IOCTL] = { do_ioctl, "IOCTL" }, [FUSE_POLL] = { do_poll, "POLL" }, [FUSE_FALLOCATE] = { do_fallocate, "FALLOCATE" }, [FUSE_DESTROY] = { do_destroy, "DESTROY" }, [FUSE_NOTIFY_REPLY] = { (void *) 1, "NOTIFY_REPLY" }, [FUSE_BATCH_FORGET] = { do_batch_forget, "BATCH_FORGET" }, [CUSE_INIT] = { cuse_lowlevel_init, "CUSE_INIT" }, }; #define FUSE_MAXOP (sizeof(fuse_ll_ops) / sizeof(fuse_ll_ops[0])) static const char *opname(enum fuse_opcode opcode) { if (opcode >= FUSE_MAXOP || !fuse_ll_ops[opcode].name) return "???"; else return fuse_ll_ops[opcode].name; } static int fuse_ll_copy_from_pipe(struct fuse_bufvec *dst, struct fuse_bufvec *src) { int res = fuse_buf_copy(dst, src, 0); if (res < 0) { fprintf(stderr, "fuse: copy from pipe: %s\n", strerror(-res)); return res; } if (res < fuse_buf_size(dst)) { fprintf(stderr, "fuse: copy from pipe: short read\n"); return -1; } return 0; } static void fuse_ll_process_buf(void *data, const struct fuse_buf *buf, struct fuse_chan *ch) { struct fuse_ll *f = (struct fuse_ll *) data; const size_t write_header_size = sizeof(struct fuse_in_header) + sizeof(struct fuse_write_in); struct fuse_bufvec bufv = { .buf[0] = *buf, .count = 1 }; struct fuse_bufvec tmpbuf = FUSE_BUFVEC_INIT(write_header_size); struct fuse_in_header *in; const void *inarg; struct fuse_req *req; void *mbuf = NULL; int err; int res; if (buf->flags & FUSE_BUF_IS_FD) { if (buf->size < tmpbuf.buf[0].size) tmpbuf.buf[0].size = buf->size; mbuf = malloc(tmpbuf.buf[0].size); if (mbuf == NULL) { fprintf(stderr, "fuse: failed to allocate header\n"); goto clear_pipe; } tmpbuf.buf[0].mem = mbuf; res = fuse_ll_copy_from_pipe(&tmpbuf, &bufv); if (res < 0) goto clear_pipe; in = mbuf; } else { in = buf->mem; } if (f->debug) { fprintf(stderr, "unique: %llu, opcode: %s (%i), nodeid: %lu, insize: %zu, pid: %u\n", (unsigned long long) in->unique, opname((enum fuse_opcode) in->opcode), in->opcode, (unsigned long) in->nodeid, buf->size, in->pid); } req = fuse_ll_alloc_req(f); if (req == NULL) { struct fuse_out_header out = { .unique = in->unique, .error = -ENOMEM, }; struct iovec iov = { .iov_base = &out, .iov_len = sizeof(struct fuse_out_header), }; fuse_send_msg(f, ch, &iov, 1); goto clear_pipe; } req->unique = in->unique; req->ctx.uid = in->uid; req->ctx.gid = in->gid; req->ctx.pid = in->pid; req->ch = ch; err = EIO; if (!f->got_init) { enum fuse_opcode expected; expected = f->cuse_data ? CUSE_INIT : FUSE_INIT; if (in->opcode != expected) goto reply_err; } else if (in->opcode == FUSE_INIT || in->opcode == CUSE_INIT) goto reply_err; err = EACCES; if (f->allow_root && in->uid != f->owner && in->uid != 0 && in->opcode != FUSE_INIT && in->opcode != FUSE_READ && in->opcode != FUSE_WRITE && in->opcode != FUSE_FSYNC && in->opcode != FUSE_RELEASE && in->opcode != FUSE_READDIR && in->opcode != FUSE_FSYNCDIR && in->opcode != FUSE_RELEASEDIR && in->opcode != FUSE_NOTIFY_REPLY) goto reply_err; err = ENOSYS; if (in->opcode >= FUSE_MAXOP || !fuse_ll_ops[in->opcode].func) goto reply_err; if (in->opcode != FUSE_INTERRUPT) { struct fuse_req *intr; pthread_mutex_lock(&f->lock); intr = check_interrupt(f, req); list_add_req(req, &f->list); pthread_mutex_unlock(&f->lock); if (intr) fuse_reply_err(intr, EAGAIN); } if ((buf->flags & FUSE_BUF_IS_FD) && write_header_size < buf->size && (in->opcode != FUSE_WRITE || !f->op.write_buf) && in->opcode != FUSE_NOTIFY_REPLY) { void *newmbuf; err = ENOMEM; newmbuf = realloc(mbuf, buf->size); if (newmbuf == NULL) goto reply_err; mbuf = newmbuf; tmpbuf = FUSE_BUFVEC_INIT(buf->size - write_header_size); tmpbuf.buf[0].mem = mbuf + write_header_size; res = fuse_ll_copy_from_pipe(&tmpbuf, &bufv); err = -res; if (res < 0) goto reply_err; in = mbuf; } inarg = (void *) &in[1]; if (in->opcode == FUSE_WRITE && f->op.write_buf) do_write_buf(req, in->nodeid, inarg, buf); else if (in->opcode == FUSE_NOTIFY_REPLY) do_notify_reply(req, in->nodeid, inarg, buf); else fuse_ll_ops[in->opcode].func(req, in->nodeid, inarg); out_free: free(mbuf); return; reply_err: fuse_reply_err(req, err); clear_pipe: if (buf->flags & FUSE_BUF_IS_FD) fuse_ll_clear_pipe(f); goto out_free; } static void fuse_ll_process(void *data, const char *buf, size_t len, struct fuse_chan *ch) { struct fuse_buf fbuf = { .mem = (void *) buf, .size = len, }; fuse_ll_process_buf(data, &fbuf, ch); } enum { KEY_HELP, KEY_VERSION, }; static const struct fuse_opt fuse_ll_opts[] = { { "debug", offsetof(struct fuse_ll, debug), 1 }, { "-d", offsetof(struct fuse_ll, debug), 1 }, { "allow_root", offsetof(struct fuse_ll, allow_root), 1 }, { "max_write=%u", offsetof(struct fuse_ll, conn.max_write), 0 }, { "max_readahead=%u", offsetof(struct fuse_ll, conn.max_readahead), 0 }, { "max_background=%u", offsetof(struct fuse_ll, conn.max_background), 0 }, { "congestion_threshold=%u", offsetof(struct fuse_ll, conn.congestion_threshold), 0 }, { "async_read", offsetof(struct fuse_ll, conn.async_read), 1 }, { "sync_read", offsetof(struct fuse_ll, conn.async_read), 0 }, { "atomic_o_trunc", offsetof(struct fuse_ll, atomic_o_trunc), 1}, { "no_remote_lock", offsetof(struct fuse_ll, no_remote_posix_lock), 1}, { "no_remote_lock", offsetof(struct fuse_ll, no_remote_flock), 1}, { "no_remote_flock", offsetof(struct fuse_ll, no_remote_flock), 1}, { "no_remote_posix_lock", offsetof(struct fuse_ll, no_remote_posix_lock), 1}, { "big_writes", offsetof(struct fuse_ll, big_writes), 1}, { "splice_write", offsetof(struct fuse_ll, splice_write), 1}, { "no_splice_write", offsetof(struct fuse_ll, no_splice_write), 1}, { "splice_move", offsetof(struct fuse_ll, splice_move), 1}, { "no_splice_move", offsetof(struct fuse_ll, no_splice_move), 1}, { "splice_read", offsetof(struct fuse_ll, splice_read), 1}, { "no_splice_read", offsetof(struct fuse_ll, no_splice_read), 1}, FUSE_OPT_KEY("max_read=", FUSE_OPT_KEY_DISCARD), FUSE_OPT_KEY("-h", KEY_HELP), FUSE_OPT_KEY("--help", KEY_HELP), FUSE_OPT_KEY("-V", KEY_VERSION), FUSE_OPT_KEY("--version", KEY_VERSION), FUSE_OPT_END }; static void fuse_ll_version(void) { fprintf(stderr, "using FUSE kernel interface version %i.%i\n", FUSE_KERNEL_VERSION, FUSE_KERNEL_MINOR_VERSION); } static void fuse_ll_help(void) { fprintf(stderr, " -o max_write=N set maximum size of write requests\n" " -o max_readahead=N set maximum readahead\n" " -o max_background=N set number of maximum background requests\n" " -o congestion_threshold=N set kernel's congestion threshold\n" " -o async_read perform reads asynchronously (default)\n" " -o sync_read perform reads synchronously\n" " -o atomic_o_trunc enable atomic open+truncate support\n" " -o big_writes enable larger than 4kB writes\n" " -o no_remote_lock disable remote file locking\n" " -o no_remote_flock disable remote file locking (BSD)\n" " -o no_remote_posix_lock disable remove file locking (POSIX)\n" " -o [no_]splice_write use splice to write to the fuse device\n" " -o [no_]splice_move move data while splicing to the fuse device\n" " -o [no_]splice_read use splice to read from the fuse device\n" ); } static int fuse_ll_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) { (void) data; (void) outargs; switch (key) { case KEY_HELP: fuse_ll_help(); break; case KEY_VERSION: fuse_ll_version(); break; default: fprintf(stderr, "fuse: unknown option `%s'\n", arg); } return -1; } int fuse_lowlevel_is_lib_option(const char *opt) { return fuse_opt_match(fuse_ll_opts, opt); } static void fuse_ll_destroy(void *data) { struct fuse_ll *f = (struct fuse_ll *) data; struct fuse_ll_pipe *llp; if (f->got_init && !f->got_destroy) { if (f->op.destroy) f->op.destroy(f->userdata); } llp = pthread_getspecific(f->pipe_key); if (llp != NULL) fuse_ll_pipe_free(llp); pthread_key_delete(f->pipe_key); pthread_mutex_destroy(&f->lock); free(f->cuse_data); free(f); } static void fuse_ll_pipe_destructor(void *data) { struct fuse_ll_pipe *llp = data; fuse_ll_pipe_free(llp); } #ifdef HAVE_SPLICE static int fuse_ll_receive_buf(struct fuse_session *se, struct fuse_buf *buf, struct fuse_chan **chp) { struct fuse_chan *ch = *chp; struct fuse_ll *f = fuse_session_data(se); size_t bufsize = buf->size; struct fuse_ll_pipe *llp; struct fuse_buf tmpbuf; int err; int res; if (f->conn.proto_minor < 14 || !(f->conn.want & FUSE_CAP_SPLICE_READ)) goto fallback; llp = fuse_ll_get_pipe(f); if (llp == NULL) goto fallback; if (llp->size < bufsize) { if (llp->can_grow) { res = fcntl(llp->pipe[0], F_SETPIPE_SZ, bufsize); if (res == -1) { llp->can_grow = 0; goto fallback; } llp->size = res; } if (llp->size < bufsize) goto fallback; } res = splice(fuse_chan_fd(ch), NULL, llp->pipe[1], NULL, bufsize, 0); err = errno; if (fuse_session_exited(se)) return 0; if (res == -1) { if (err == ENODEV) { fuse_session_exit(se); return 0; } if (err != EINTR && err != EAGAIN) perror("fuse: splice from device"); return -err; } if (res < sizeof(struct fuse_in_header)) { fprintf(stderr, "short splice from fuse device\n"); return -EIO; } tmpbuf = (struct fuse_buf) { .size = res, .flags = FUSE_BUF_IS_FD, .fd = llp->pipe[0], }; /* * Don't bother with zero copy for small requests. * fuse_loop_mt() needs to check for FORGET so this more than * just an optimization. */ if (res < sizeof(struct fuse_in_header) + sizeof(struct fuse_write_in) + pagesize) { struct fuse_bufvec src = { .buf[0] = tmpbuf, .count = 1 }; struct fuse_bufvec dst = { .buf[0] = *buf, .count = 1 }; res = fuse_buf_copy(&dst, &src, 0); if (res < 0) { fprintf(stderr, "fuse: copy from pipe: %s\n", strerror(-res)); fuse_ll_clear_pipe(f); return res; } if (res < tmpbuf.size) { fprintf(stderr, "fuse: copy from pipe: short read\n"); fuse_ll_clear_pipe(f); return -EIO; } buf->size = tmpbuf.size; return buf->size; } *buf = tmpbuf; return res; fallback: res = fuse_chan_recv(chp, buf->mem, bufsize); if (res <= 0) return res; buf->size = res; return res; } #else static int fuse_ll_receive_buf(struct fuse_session *se, struct fuse_buf *buf, struct fuse_chan **chp) { (void) se; int res = fuse_chan_recv(chp, buf->mem, buf->size); if (res <= 0) return res; buf->size = res; return res; } #endif /* * always call fuse_lowlevel_new_common() internally, to work around a * misfeature in the FreeBSD runtime linker, which links the old * version of a symbol to internal references. */ struct fuse_session *fuse_lowlevel_new_common(struct fuse_args *args, const struct fuse_lowlevel_ops *op, size_t op_size, void *userdata) { int err; struct fuse_ll *f; struct fuse_session *se; struct fuse_session_ops sop = { .process = fuse_ll_process, .destroy = fuse_ll_destroy, }; if (sizeof(struct fuse_lowlevel_ops) < op_size) { fprintf(stderr, "fuse: warning: library too old, some operations may not work\n"); op_size = sizeof(struct fuse_lowlevel_ops); } f = (struct fuse_ll *) calloc(1, sizeof(struct fuse_ll)); if (f == NULL) { fprintf(stderr, "fuse: failed to allocate fuse object\n"); goto out; } f->conn.async_read = 1; f->conn.max_write = UINT_MAX; f->conn.max_readahead = UINT_MAX; f->atomic_o_trunc = 0; list_init_req(&f->list); list_init_req(&f->interrupts); list_init_nreq(&f->notify_list); f->notify_ctr = 1; fuse_mutex_init(&f->lock); err = pthread_key_create(&f->pipe_key, fuse_ll_pipe_destructor); if (err) { fprintf(stderr, "fuse: failed to create thread specific key: %s\n", strerror(err)); goto out_free; } if (fuse_opt_parse(args, f, fuse_ll_opts, fuse_ll_opt_proc) == -1) goto out_key_destroy; if (f->debug) fprintf(stderr, "FUSE library version: %s\n", PACKAGE_VERSION); memcpy(&f->op, op, op_size); f->owner = getuid(); f->userdata = userdata; se = fuse_session_new(&sop, f); if (!se) goto out_key_destroy; se->receive_buf = fuse_ll_receive_buf; se->process_buf = fuse_ll_process_buf; return se; out_key_destroy: pthread_key_delete(f->pipe_key); out_free: pthread_mutex_destroy(&f->lock); free(f); out: return NULL; } struct fuse_session *fuse_lowlevel_new(struct fuse_args *args, const struct fuse_lowlevel_ops *op, size_t op_size, void *userdata) { return fuse_lowlevel_new_common(args, op, op_size, userdata); } #ifdef linux int fuse_req_getgroups(fuse_req_t req, int size, gid_t list[]) { char *buf; size_t bufsize = 1024; char path[128]; int ret; int fd; unsigned long pid = req->ctx.pid; char *s; sprintf(path, "/proc/%lu/task/%lu/status", pid, pid); retry: buf = malloc(bufsize); if (buf == NULL) return -ENOMEM; ret = -EIO; fd = open(path, O_RDONLY); if (fd == -1) goto out_free; ret = read(fd, buf, bufsize); close(fd); if (ret == -1) { ret = -EIO; goto out_free; } if (ret == bufsize) { free(buf); bufsize *= 4; goto retry; } ret = -EIO; s = strstr(buf, "\nGroups:"); if (s == NULL) goto out_free; s += 8; ret = 0; while (1) { char *end; unsigned long val = strtoul(s, &end, 0); if (end == s) break; s = end; if (ret < size) list[ret] = val; ret++; } out_free: free(buf); return ret; } #else /* linux */ /* * This is currently not implemented on other than Linux... */ int fuse_req_getgroups(fuse_req_t req, int size, gid_t list[]) { return -ENOSYS; } #endif #if !defined(__FreeBSD__) && !defined(__NetBSD__) static void fill_open_compat(struct fuse_open_out *arg, const struct fuse_file_info_compat *f) { arg->fh = f->fh; if (f->direct_io) arg->open_flags |= FOPEN_DIRECT_IO; if (f->keep_cache) arg->open_flags |= FOPEN_KEEP_CACHE; } static void convert_statfs_compat(const struct statfs *compatbuf, struct statvfs *buf) { buf->f_bsize = compatbuf->f_bsize; buf->f_blocks = compatbuf->f_blocks; buf->f_bfree = compatbuf->f_bfree; buf->f_bavail = compatbuf->f_bavail; buf->f_files = compatbuf->f_files; buf->f_ffree = compatbuf->f_ffree; buf->f_namemax = compatbuf->f_namelen; } int fuse_reply_open_compat(fuse_req_t req, const struct fuse_file_info_compat *f) { struct fuse_open_out arg; memset(&arg, 0, sizeof(arg)); fill_open_compat(&arg, f); return send_reply_ok(req, &arg, sizeof(arg)); } int fuse_reply_statfs_compat(fuse_req_t req, const struct statfs *stbuf) { struct statvfs newbuf; memset(&newbuf, 0, sizeof(newbuf)); convert_statfs_compat(stbuf, &newbuf); return fuse_reply_statfs(req, &newbuf); } struct fuse_session *fuse_lowlevel_new_compat(const char *opts, const struct fuse_lowlevel_ops_compat *op, size_t op_size, void *userdata) { struct fuse_session *se; struct fuse_args args = FUSE_ARGS_INIT(0, NULL); if (opts && (fuse_opt_add_arg(&args, "") == -1 || fuse_opt_add_arg(&args, "-o") == -1 || fuse_opt_add_arg(&args, opts) == -1)) { fuse_opt_free_args(&args); return NULL; } se = fuse_lowlevel_new(&args, (const struct fuse_lowlevel_ops *) op, op_size, userdata); fuse_opt_free_args(&args); return se; } struct fuse_ll_compat_conf { unsigned max_read; int set_max_read; }; static const struct fuse_opt fuse_ll_opts_compat[] = { { "max_read=", offsetof(struct fuse_ll_compat_conf, set_max_read), 1 }, { "max_read=%u", offsetof(struct fuse_ll_compat_conf, max_read), 0 }, FUSE_OPT_KEY("max_read=", FUSE_OPT_KEY_KEEP), FUSE_OPT_END }; int fuse_sync_compat_args(struct fuse_args *args) { struct fuse_ll_compat_conf conf; memset(&conf, 0, sizeof(conf)); if (fuse_opt_parse(args, &conf, fuse_ll_opts_compat, NULL) == -1) return -1; if (fuse_opt_insert_arg(args, 1, "-osync_read")) return -1; if (conf.set_max_read) { char tmpbuf[64]; sprintf(tmpbuf, "-omax_readahead=%u", conf.max_read); if (fuse_opt_insert_arg(args, 1, tmpbuf) == -1) return -1; } return 0; } FUSE_SYMVER(".symver fuse_reply_statfs_compat,fuse_reply_statfs@FUSE_2.4"); FUSE_SYMVER(".symver fuse_reply_open_compat,fuse_reply_open@FUSE_2.4"); FUSE_SYMVER(".symver fuse_lowlevel_new_compat,fuse_lowlevel_new@FUSE_2.4"); #else /* __FreeBSD__ || __NetBSD__ */ int fuse_sync_compat_args(struct fuse_args *args) { (void) args; return 0; } #endif /* __FreeBSD__ || __NetBSD__ */ struct fuse_session *fuse_lowlevel_new_compat25(struct fuse_args *args, const struct fuse_lowlevel_ops_compat25 *op, size_t op_size, void *userdata) { if (fuse_sync_compat_args(args) == -1) return NULL; return fuse_lowlevel_new_common(args, (const struct fuse_lowlevel_ops *) op, op_size, userdata); } FUSE_SYMVER(".symver fuse_lowlevel_new_compat25,fuse_lowlevel_new@FUSE_2.5"); fuse-2.9.7/lib/fuse_opt.c0000644000175000017500000002166612732044227012170 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ #include "fuse_opt.h" #include "fuse_misc.h" #include #include #include #include struct fuse_opt_context { void *data; const struct fuse_opt *opt; fuse_opt_proc_t proc; int argctr; int argc; char **argv; struct fuse_args outargs; char *opts; int nonopt; }; void fuse_opt_free_args(struct fuse_args *args) { if (args) { if (args->argv && args->allocated) { int i; for (i = 0; i < args->argc; i++) free(args->argv[i]); free(args->argv); } args->argc = 0; args->argv = NULL; args->allocated = 0; } } static int alloc_failed(void) { fprintf(stderr, "fuse: memory allocation failed\n"); return -1; } int fuse_opt_add_arg(struct fuse_args *args, const char *arg) { char **newargv; char *newarg; assert(!args->argv || args->allocated); newarg = strdup(arg); if (!newarg) return alloc_failed(); newargv = realloc(args->argv, (args->argc + 2) * sizeof(char *)); if (!newargv) { free(newarg); return alloc_failed(); } args->argv = newargv; args->allocated = 1; args->argv[args->argc++] = newarg; args->argv[args->argc] = NULL; return 0; } static int fuse_opt_insert_arg_common(struct fuse_args *args, int pos, const char *arg) { assert(pos <= args->argc); if (fuse_opt_add_arg(args, arg) == -1) return -1; if (pos != args->argc - 1) { char *newarg = args->argv[args->argc - 1]; memmove(&args->argv[pos + 1], &args->argv[pos], sizeof(char *) * (args->argc - pos - 1)); args->argv[pos] = newarg; } return 0; } int fuse_opt_insert_arg(struct fuse_args *args, int pos, const char *arg) { return fuse_opt_insert_arg_common(args, pos, arg); } int fuse_opt_insert_arg_compat(struct fuse_args *args, int pos, const char *arg); int fuse_opt_insert_arg_compat(struct fuse_args *args, int pos, const char *arg) { return fuse_opt_insert_arg_common(args, pos, arg); } static int next_arg(struct fuse_opt_context *ctx, const char *opt) { if (ctx->argctr + 1 >= ctx->argc) { fprintf(stderr, "fuse: missing argument after `%s'\n", opt); return -1; } ctx->argctr++; return 0; } static int add_arg(struct fuse_opt_context *ctx, const char *arg) { return fuse_opt_add_arg(&ctx->outargs, arg); } static int add_opt_common(char **opts, const char *opt, int esc) { unsigned oldlen = *opts ? strlen(*opts) : 0; char *d = realloc(*opts, oldlen + 1 + strlen(opt) * 2 + 1); if (!d) return alloc_failed(); *opts = d; if (oldlen) { d += oldlen; *d++ = ','; } for (; *opt; opt++) { if (esc && (*opt == ',' || *opt == '\\')) *d++ = '\\'; *d++ = *opt; } *d = '\0'; return 0; } int fuse_opt_add_opt(char **opts, const char *opt) { return add_opt_common(opts, opt, 0); } int fuse_opt_add_opt_escaped(char **opts, const char *opt) { return add_opt_common(opts, opt, 1); } static int add_opt(struct fuse_opt_context *ctx, const char *opt) { return add_opt_common(&ctx->opts, opt, 1); } static int call_proc(struct fuse_opt_context *ctx, const char *arg, int key, int iso) { if (key == FUSE_OPT_KEY_DISCARD) return 0; if (key != FUSE_OPT_KEY_KEEP && ctx->proc) { int res = ctx->proc(ctx->data, arg, key, &ctx->outargs); if (res == -1 || !res) return res; } if (iso) return add_opt(ctx, arg); else return add_arg(ctx, arg); } static int match_template(const char *t, const char *arg, unsigned *sepp) { int arglen = strlen(arg); const char *sep = strchr(t, '='); sep = sep ? sep : strchr(t, ' '); if (sep && (!sep[1] || sep[1] == '%')) { int tlen = sep - t; if (sep[0] == '=') tlen ++; if (arglen >= tlen && strncmp(arg, t, tlen) == 0) { *sepp = sep - t; return 1; } } if (strcmp(t, arg) == 0) { *sepp = 0; return 1; } return 0; } static const struct fuse_opt *find_opt(const struct fuse_opt *opt, const char *arg, unsigned *sepp) { for (; opt && opt->templ; opt++) if (match_template(opt->templ, arg, sepp)) return opt; return NULL; } int fuse_opt_match(const struct fuse_opt *opts, const char *opt) { unsigned dummy; return find_opt(opts, opt, &dummy) ? 1 : 0; } static int process_opt_param(void *var, const char *format, const char *param, const char *arg) { assert(format[0] == '%'); if (format[1] == 's') { char *copy = strdup(param); if (!copy) return alloc_failed(); *(char **) var = copy; } else { if (sscanf(param, format, var) != 1) { fprintf(stderr, "fuse: invalid parameter in option `%s'\n", arg); return -1; } } return 0; } static int process_opt(struct fuse_opt_context *ctx, const struct fuse_opt *opt, unsigned sep, const char *arg, int iso) { if (opt->offset == -1U) { if (call_proc(ctx, arg, opt->value, iso) == -1) return -1; } else { void *var = ctx->data + opt->offset; if (sep && opt->templ[sep + 1]) { const char *param = arg + sep; if (opt->templ[sep] == '=') param ++; if (process_opt_param(var, opt->templ + sep + 1, param, arg) == -1) return -1; } else *(int *)var = opt->value; } return 0; } static int process_opt_sep_arg(struct fuse_opt_context *ctx, const struct fuse_opt *opt, unsigned sep, const char *arg, int iso) { int res; char *newarg; char *param; if (next_arg(ctx, arg) == -1) return -1; param = ctx->argv[ctx->argctr]; newarg = malloc(sep + strlen(param) + 1); if (!newarg) return alloc_failed(); memcpy(newarg, arg, sep); strcpy(newarg + sep, param); res = process_opt(ctx, opt, sep, newarg, iso); free(newarg); return res; } static int process_gopt(struct fuse_opt_context *ctx, const char *arg, int iso) { unsigned sep; const struct fuse_opt *opt = find_opt(ctx->opt, arg, &sep); if (opt) { for (; opt; opt = find_opt(opt + 1, arg, &sep)) { int res; if (sep && opt->templ[sep] == ' ' && !arg[sep]) res = process_opt_sep_arg(ctx, opt, sep, arg, iso); else res = process_opt(ctx, opt, sep, arg, iso); if (res == -1) return -1; } return 0; } else return call_proc(ctx, arg, FUSE_OPT_KEY_OPT, iso); } static int process_real_option_group(struct fuse_opt_context *ctx, char *opts) { char *s = opts; char *d = s; int end = 0; while (!end) { if (*s == '\0') end = 1; if (*s == ',' || end) { int res; *d = '\0'; res = process_gopt(ctx, opts, 1); if (res == -1) return -1; d = opts; } else { if (s[0] == '\\' && s[1] != '\0') { s++; if (s[0] >= '0' && s[0] <= '3' && s[1] >= '0' && s[1] <= '7' && s[2] >= '0' && s[2] <= '7') { *d++ = (s[0] - '0') * 0100 + (s[1] - '0') * 0010 + (s[2] - '0'); s += 2; } else { *d++ = *s; } } else { *d++ = *s; } } s++; } return 0; } static int process_option_group(struct fuse_opt_context *ctx, const char *opts) { int res; char *copy = strdup(opts); if (!copy) { fprintf(stderr, "fuse: memory allocation failed\n"); return -1; } res = process_real_option_group(ctx, copy); free(copy); return res; } static int process_one(struct fuse_opt_context *ctx, const char *arg) { if (ctx->nonopt || arg[0] != '-') return call_proc(ctx, arg, FUSE_OPT_KEY_NONOPT, 0); else if (arg[1] == 'o') { if (arg[2]) return process_option_group(ctx, arg + 2); else { if (next_arg(ctx, arg) == -1) return -1; return process_option_group(ctx, ctx->argv[ctx->argctr]); } } else if (arg[1] == '-' && !arg[2]) { if (add_arg(ctx, arg) == -1) return -1; ctx->nonopt = ctx->outargs.argc; return 0; } else return process_gopt(ctx, arg, 0); } static int opt_parse(struct fuse_opt_context *ctx) { if (ctx->argc) { if (add_arg(ctx, ctx->argv[0]) == -1) return -1; } for (ctx->argctr = 1; ctx->argctr < ctx->argc; ctx->argctr++) if (process_one(ctx, ctx->argv[ctx->argctr]) == -1) return -1; if (ctx->opts) { if (fuse_opt_insert_arg(&ctx->outargs, 1, "-o") == -1 || fuse_opt_insert_arg(&ctx->outargs, 2, ctx->opts) == -1) return -1; } /* If option separator ("--") is the last argument, remove it */ if (ctx->nonopt && ctx->nonopt == ctx->outargs.argc && strcmp(ctx->outargs.argv[ctx->outargs.argc - 1], "--") == 0) { free(ctx->outargs.argv[ctx->outargs.argc - 1]); ctx->outargs.argv[--ctx->outargs.argc] = NULL; } return 0; } int fuse_opt_parse(struct fuse_args *args, void *data, const struct fuse_opt opts[], fuse_opt_proc_t proc) { int res; struct fuse_opt_context ctx = { .data = data, .opt = opts, .proc = proc, }; if (!args || !args->argv || !args->argc) return 0; ctx.argc = args->argc; ctx.argv = args->argv; res = opt_parse(&ctx); if (res != -1) { struct fuse_args tmp = *args; *args = ctx.outargs; ctx.outargs = tmp; } free(ctx.opts); fuse_opt_free_args(&ctx.outargs); return res; } /* This symbol version was mistakenly added to the version script */ FUSE_SYMVER(".symver fuse_opt_insert_arg_compat,fuse_opt_insert_arg@FUSE_2.5"); fuse-2.9.7/lib/cuse_lowlevel.c0000644000175000017500000002117112732044227013203 00000000000000/* CUSE: Character device in Userspace Copyright (C) 2008 SUSE Linux Products GmbH Copyright (C) 2008 Tejun Heo This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include "cuse_lowlevel.h" #include "fuse_kernel.h" #include "fuse_i.h" #include "fuse_opt.h" #include "fuse_misc.h" #include #include #include #include #include #include struct cuse_data { struct cuse_lowlevel_ops clop; unsigned max_read; unsigned dev_major; unsigned dev_minor; unsigned flags; unsigned dev_info_len; char dev_info[]; }; static struct cuse_lowlevel_ops *req_clop(fuse_req_t req) { return &req->f->cuse_data->clop; } static void cuse_fll_open(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { (void)ino; req_clop(req)->open(req, fi); } static void cuse_fll_read(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi) { (void)ino; req_clop(req)->read(req, size, off, fi); } static void cuse_fll_write(fuse_req_t req, fuse_ino_t ino, const char *buf, size_t size, off_t off, struct fuse_file_info *fi) { (void)ino; req_clop(req)->write(req, buf, size, off, fi); } static void cuse_fll_flush(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { (void)ino; req_clop(req)->flush(req, fi); } static void cuse_fll_release(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { (void)ino; req_clop(req)->release(req, fi); } static void cuse_fll_fsync(fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi) { (void)ino; req_clop(req)->fsync(req, datasync, fi); } static void cuse_fll_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg, struct fuse_file_info *fi, unsigned int flags, const void *in_buf, size_t in_bufsz, size_t out_bufsz) { (void)ino; req_clop(req)->ioctl(req, cmd, arg, fi, flags, in_buf, in_bufsz, out_bufsz); } static void cuse_fll_poll(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct fuse_pollhandle *ph) { (void)ino; req_clop(req)->poll(req, fi, ph); } static size_t cuse_pack_info(int argc, const char **argv, char *buf) { size_t size = 0; int i; for (i = 0; i < argc; i++) { size_t len; len = strlen(argv[i]) + 1; size += len; if (buf) { memcpy(buf, argv[i], len); buf += len; } } return size; } static struct cuse_data *cuse_prep_data(const struct cuse_info *ci, const struct cuse_lowlevel_ops *clop) { struct cuse_data *cd; size_t dev_info_len; dev_info_len = cuse_pack_info(ci->dev_info_argc, ci->dev_info_argv, NULL); if (dev_info_len > CUSE_INIT_INFO_MAX) { fprintf(stderr, "cuse: dev_info (%zu) too large, limit=%u\n", dev_info_len, CUSE_INIT_INFO_MAX); return NULL; } cd = calloc(1, sizeof(*cd) + dev_info_len); if (!cd) { fprintf(stderr, "cuse: failed to allocate cuse_data\n"); return NULL; } memcpy(&cd->clop, clop, sizeof(cd->clop)); cd->max_read = 131072; cd->dev_major = ci->dev_major; cd->dev_minor = ci->dev_minor; cd->dev_info_len = dev_info_len; cd->flags = ci->flags; cuse_pack_info(ci->dev_info_argc, ci->dev_info_argv, cd->dev_info); return cd; } struct fuse_session *cuse_lowlevel_new(struct fuse_args *args, const struct cuse_info *ci, const struct cuse_lowlevel_ops *clop, void *userdata) { struct fuse_lowlevel_ops lop; struct cuse_data *cd; struct fuse_session *se; struct fuse_ll *ll; cd = cuse_prep_data(ci, clop); if (!cd) return NULL; memset(&lop, 0, sizeof(lop)); lop.init = clop->init; lop.destroy = clop->destroy; lop.open = clop->open ? cuse_fll_open : NULL; lop.read = clop->read ? cuse_fll_read : NULL; lop.write = clop->write ? cuse_fll_write : NULL; lop.flush = clop->flush ? cuse_fll_flush : NULL; lop.release = clop->release ? cuse_fll_release : NULL; lop.fsync = clop->fsync ? cuse_fll_fsync : NULL; lop.ioctl = clop->ioctl ? cuse_fll_ioctl : NULL; lop.poll = clop->poll ? cuse_fll_poll : NULL; se = fuse_lowlevel_new_common(args, &lop, sizeof(lop), userdata); if (!se) { free(cd); return NULL; } ll = se->data; ll->cuse_data = cd; return se; } static int cuse_reply_init(fuse_req_t req, struct cuse_init_out *arg, char *dev_info, unsigned dev_info_len) { struct iovec iov[3]; iov[1].iov_base = arg; iov[1].iov_len = sizeof(struct cuse_init_out); iov[2].iov_base = dev_info; iov[2].iov_len = dev_info_len; return fuse_send_reply_iov_nofree(req, 0, iov, 3); } void cuse_lowlevel_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) { struct fuse_init_in *arg = (struct fuse_init_in *) inarg; struct cuse_init_out outarg; struct fuse_ll *f = req->f; struct cuse_data *cd = f->cuse_data; size_t bufsize = fuse_chan_bufsize(req->ch); struct cuse_lowlevel_ops *clop = req_clop(req); (void) nodeid; if (f->debug) { fprintf(stderr, "CUSE_INIT: %u.%u\n", arg->major, arg->minor); fprintf(stderr, "flags=0x%08x\n", arg->flags); } f->conn.proto_major = arg->major; f->conn.proto_minor = arg->minor; f->conn.capable = 0; f->conn.want = 0; if (arg->major < 7) { fprintf(stderr, "cuse: unsupported protocol version: %u.%u\n", arg->major, arg->minor); fuse_reply_err(req, EPROTO); return; } if (bufsize < FUSE_MIN_READ_BUFFER) { fprintf(stderr, "cuse: warning: buffer size too small: %zu\n", bufsize); bufsize = FUSE_MIN_READ_BUFFER; } bufsize -= 4096; if (bufsize < f->conn.max_write) f->conn.max_write = bufsize; f->got_init = 1; if (f->op.init) f->op.init(f->userdata, &f->conn); memset(&outarg, 0, sizeof(outarg)); outarg.major = FUSE_KERNEL_VERSION; outarg.minor = FUSE_KERNEL_MINOR_VERSION; outarg.flags = cd->flags; outarg.max_read = cd->max_read; outarg.max_write = f->conn.max_write; outarg.dev_major = cd->dev_major; outarg.dev_minor = cd->dev_minor; if (f->debug) { fprintf(stderr, " CUSE_INIT: %u.%u\n", outarg.major, outarg.minor); fprintf(stderr, " flags=0x%08x\n", outarg.flags); fprintf(stderr, " max_read=0x%08x\n", outarg.max_read); fprintf(stderr, " max_write=0x%08x\n", outarg.max_write); fprintf(stderr, " dev_major=%u\n", outarg.dev_major); fprintf(stderr, " dev_minor=%u\n", outarg.dev_minor); fprintf(stderr, " dev_info: %.*s\n", cd->dev_info_len, cd->dev_info); } cuse_reply_init(req, &outarg, cd->dev_info, cd->dev_info_len); if (clop->init_done) clop->init_done(f->userdata); fuse_free_req(req); } struct fuse_session *cuse_lowlevel_setup(int argc, char *argv[], const struct cuse_info *ci, const struct cuse_lowlevel_ops *clop, int *multithreaded, void *userdata) { const char *devname = "/dev/cuse"; static const struct fuse_opt kill_subtype_opts[] = { FUSE_OPT_KEY("subtype=", FUSE_OPT_KEY_DISCARD), FUSE_OPT_END }; struct fuse_args args = FUSE_ARGS_INIT(argc, argv); struct fuse_session *se; struct fuse_chan *ch; int fd; int foreground; int res; res = fuse_parse_cmdline(&args, NULL, multithreaded, &foreground); if (res == -1) goto err_args; res = fuse_opt_parse(&args, NULL, kill_subtype_opts, NULL); if (res == -1) goto err_args; /* * Make sure file descriptors 0, 1 and 2 are open, otherwise chaos * would ensue. */ do { fd = open("/dev/null", O_RDWR); if (fd > 2) close(fd); } while (fd >= 0 && fd <= 2); se = cuse_lowlevel_new(&args, ci, clop, userdata); fuse_opt_free_args(&args); if (se == NULL) goto err_args; fd = open(devname, O_RDWR); if (fd == -1) { if (errno == ENODEV || errno == ENOENT) fprintf(stderr, "cuse: device not found, try 'modprobe cuse' first\n"); else fprintf(stderr, "cuse: failed to open %s: %s\n", devname, strerror(errno)); goto err_se; } ch = fuse_kern_chan_new(fd); if (!ch) { close(fd); goto err_se; } fuse_session_add_chan(se, ch); res = fuse_set_signal_handlers(se); if (res == -1) goto err_se; res = fuse_daemonize(foreground); if (res == -1) goto err_sig; return se; err_sig: fuse_remove_signal_handlers(se); err_se: fuse_session_destroy(se); err_args: fuse_opt_free_args(&args); return NULL; } void cuse_lowlevel_teardown(struct fuse_session *se) { fuse_remove_signal_handlers(se); fuse_session_destroy(se); } int cuse_lowlevel_main(int argc, char *argv[], const struct cuse_info *ci, const struct cuse_lowlevel_ops *clop, void *userdata) { struct fuse_session *se; int multithreaded; int res; se = cuse_lowlevel_setup(argc, argv, ci, clop, &multithreaded, userdata); if (se == NULL) return 1; if (multithreaded) res = fuse_session_loop_mt(se); else res = fuse_session_loop(se); cuse_lowlevel_teardown(se); if (res == -1) return 1; return 0; } fuse-2.9.7/lib/fuse_versionscript0000644000175000017500000000740612732044227014053 00000000000000FUSE_2.2 { global: fuse_destroy; fuse_exit; fuse_exited; fuse_invalidate; fuse_is_lib_option; fuse_loop; fuse_loop_mt; fuse_loop_mt_proc; fuse_main; fuse_main_compat1; fuse_main_compat2; fuse_mount_compat1; fuse_new_compat1; fuse_new_compat2; fuse_process_cmd; fuse_read_cmd; fuse_set_getcontext_func; fuse_setup_compat2; }; FUSE_2.4 { global: fuse_add_dirent; fuse_chan_bufsize; fuse_chan_data; fuse_chan_destroy; fuse_chan_fd; fuse_chan_receive; fuse_chan_send; fuse_chan_session; fuse_dirent_size; fuse_kern_chan_new; fuse_lowlevel_is_lib_option; fuse_reply_attr; fuse_reply_buf; fuse_reply_entry; fuse_reply_err; fuse_reply_none; fuse_reply_readlink; fuse_reply_write; fuse_reply_xattr; fuse_req_userdata; fuse_session_add_chan; fuse_session_destroy; fuse_session_exit; fuse_session_exited; fuse_session_loop; fuse_session_loop_mt; fuse_session_new; fuse_session_next_chan; fuse_session_process; fuse_session_reset; } FUSE_2.2; FUSE_2.5 { global: fuse_lowlevel_new_compat; fuse_main_real_compat22; fuse_mount_compat22; fuse_new_compat22; fuse_opt_parse; fuse_opt_add_opt; fuse_opt_add_arg; fuse_opt_free_args; fuse_opt_match; fuse_parse_cmdline; fuse_remove_signal_handlers; fuse_reply_create; fuse_reply_open; fuse_reply_open_compat; fuse_reply_statfs; fuse_reply_statfs_compat; fuse_setup_compat22; fuse_set_signal_handlers; } FUSE_2.4; FUSE_2.6 { global: fuse_add_direntry; fuse_chan_new; fuse_chan_new_compat24; fuse_chan_recv; fuse_daemonize; fuse_get_session; fuse_interrupted; fuse_lowlevel_new; fuse_lowlevel_new_compat25; fuse_main_real; fuse_main_real_compat25; fuse_mount; fuse_mount_compat25; fuse_new; fuse_new_compat25; fuse_opt_insert_arg; fuse_reply_lock; fuse_req_interrupt_func; fuse_req_interrupted; fuse_session_remove_chan; fuse_setup; fuse_setup_compat25; fuse_teardown; fuse_teardown_compat22; fuse_unmount; fuse_unmount_compat22; } FUSE_2.5; FUSE_2.7 { global: fuse_fs_access; fuse_fs_bmap; fuse_fs_chmod; fuse_fs_chown; fuse_fs_create; fuse_fs_destroy; fuse_fs_fgetattr; fuse_fs_flush; fuse_fs_fsync; fuse_fs_fsyncdir; fuse_fs_ftruncate; fuse_fs_getattr; fuse_fs_getxattr; fuse_fs_init; fuse_fs_link; fuse_fs_listxattr; fuse_fs_lock; fuse_fs_mkdir; fuse_fs_mknod; fuse_fs_new; fuse_fs_open; fuse_fs_opendir; fuse_fs_read; fuse_fs_readdir; fuse_fs_readlink; fuse_fs_release; fuse_fs_releasedir; fuse_fs_removexattr; fuse_fs_rename; fuse_fs_rmdir; fuse_fs_setxattr; fuse_fs_statfs; fuse_fs_symlink; fuse_fs_truncate; fuse_fs_unlink; fuse_fs_utimens; fuse_fs_write; fuse_register_module; fuse_reply_iov; fuse_version; } FUSE_2.6; FUSE_2.7.5 { global: fuse_reply_bmap; } FUSE_2.7; FUSE_2.8 { global: cuse_lowlevel_new; cuse_lowlevel_main; cuse_lowlevel_setup; cuse_lowlevel_teardown; fuse_fs_ioctl; fuse_fs_poll; fuse_get_context; fuse_getgroups; fuse_lowlevel_notify_inval_entry; fuse_lowlevel_notify_inval_inode; fuse_lowlevel_notify_poll; fuse_notify_poll; fuse_opt_add_opt_escaped; fuse_pollhandle_destroy; fuse_reply_ioctl; fuse_reply_ioctl_iov; fuse_reply_ioctl_retry; fuse_reply_poll; fuse_req_ctx; fuse_req_getgroups; fuse_session_data; } FUSE_2.7.5; FUSE_2.9 { global: fuse_buf_copy; fuse_buf_size; fuse_fs_read_buf; fuse_fs_write_buf; fuse_lowlevel_notify_retrieve; fuse_lowlevel_notify_store; fuse_reply_data; fuse_session_process_buf; fuse_session_receive_buf; fuse_start_cleanup_thread; fuse_stop_cleanup_thread; fuse_clean_cache; fuse_lowlevel_notify_delete; fuse_fs_flock; } FUSE_2.8; FUSE_2.9.1 { global: fuse_fs_fallocate; local: *; } FUSE_2.9; fuse-2.9.7/lib/helper.c0000644000175000017500000002650112732044326011614 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB. */ #include "config.h" #include "fuse_i.h" #include "fuse_misc.h" #include "fuse_opt.h" #include "fuse_lowlevel.h" #include "fuse_common_compat.h" #include #include #include #include #include #include #include #include enum { KEY_HELP, KEY_HELP_NOHEADER, KEY_VERSION, }; struct helper_opts { int singlethread; int foreground; int nodefault_subtype; char *mountpoint; }; #define FUSE_HELPER_OPT(t, p) { t, offsetof(struct helper_opts, p), 1 } static const struct fuse_opt fuse_helper_opts[] = { FUSE_HELPER_OPT("-d", foreground), FUSE_HELPER_OPT("debug", foreground), FUSE_HELPER_OPT("-f", foreground), FUSE_HELPER_OPT("-s", singlethread), FUSE_HELPER_OPT("fsname=", nodefault_subtype), FUSE_HELPER_OPT("subtype=", nodefault_subtype), FUSE_OPT_KEY("-h", KEY_HELP), FUSE_OPT_KEY("--help", KEY_HELP), FUSE_OPT_KEY("-ho", KEY_HELP_NOHEADER), FUSE_OPT_KEY("-V", KEY_VERSION), FUSE_OPT_KEY("--version", KEY_VERSION), FUSE_OPT_KEY("-d", FUSE_OPT_KEY_KEEP), FUSE_OPT_KEY("debug", FUSE_OPT_KEY_KEEP), FUSE_OPT_KEY("fsname=", FUSE_OPT_KEY_KEEP), FUSE_OPT_KEY("subtype=", FUSE_OPT_KEY_KEEP), FUSE_OPT_END }; static void usage(const char *progname) { fprintf(stderr, "usage: %s mountpoint [options]\n\n", progname); fprintf(stderr, "general options:\n" " -o opt,[opt...] mount options\n" " -h --help print help\n" " -V --version print version\n" "\n"); } static void helper_help(void) { fprintf(stderr, "FUSE options:\n" " -d -o debug enable debug output (implies -f)\n" " -f foreground operation\n" " -s disable multi-threaded operation\n" "\n" ); } static void helper_version(void) { fprintf(stderr, "FUSE library version: %s\n", PACKAGE_VERSION); } static int fuse_helper_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) { struct helper_opts *hopts = data; switch (key) { case KEY_HELP: usage(outargs->argv[0]); /* fall through */ case KEY_HELP_NOHEADER: helper_help(); return fuse_opt_add_arg(outargs, "-h"); case KEY_VERSION: helper_version(); return 1; case FUSE_OPT_KEY_NONOPT: if (!hopts->mountpoint) { char mountpoint[PATH_MAX]; if (realpath(arg, mountpoint) == NULL) { fprintf(stderr, "fuse: bad mount point `%s': %s\n", arg, strerror(errno)); return -1; } return fuse_opt_add_opt(&hopts->mountpoint, mountpoint); } else { fprintf(stderr, "fuse: invalid argument `%s'\n", arg); return -1; } default: return 1; } } static int add_default_subtype(const char *progname, struct fuse_args *args) { int res; char *subtype_opt; const char *basename = strrchr(progname, '/'); if (basename == NULL) basename = progname; else if (basename[1] != '\0') basename++; subtype_opt = (char *) malloc(strlen(basename) + 64); if (subtype_opt == NULL) { fprintf(stderr, "fuse: memory allocation failed\n"); return -1; } sprintf(subtype_opt, "-osubtype=%s", basename); res = fuse_opt_add_arg(args, subtype_opt); free(subtype_opt); return res; } int fuse_parse_cmdline(struct fuse_args *args, char **mountpoint, int *multithreaded, int *foreground) { int res; struct helper_opts hopts; memset(&hopts, 0, sizeof(hopts)); res = fuse_opt_parse(args, &hopts, fuse_helper_opts, fuse_helper_opt_proc); if (res == -1) return -1; if (!hopts.nodefault_subtype) { res = add_default_subtype(args->argv[0], args); if (res == -1) goto err; } if (mountpoint) *mountpoint = hopts.mountpoint; else free(hopts.mountpoint); if (multithreaded) *multithreaded = !hopts.singlethread; if (foreground) *foreground = hopts.foreground; return 0; err: free(hopts.mountpoint); return -1; } int fuse_daemonize(int foreground) { if (!foreground) { int nullfd; int waiter[2]; char completed; if (pipe(waiter)) { perror("fuse_daemonize: pipe"); return -1; } /* * demonize current process by forking it and killing the * parent. This makes current process as a child of 'init'. */ switch(fork()) { case -1: perror("fuse_daemonize: fork"); return -1; case 0: break; default: read(waiter[0], &completed, sizeof(completed)); _exit(0); } if (setsid() == -1) { perror("fuse_daemonize: setsid"); return -1; } (void) chdir("/"); nullfd = open("/dev/null", O_RDWR, 0); if (nullfd != -1) { (void) dup2(nullfd, 0); (void) dup2(nullfd, 1); (void) dup2(nullfd, 2); if (nullfd > 2) close(nullfd); } /* Propagate completion of daemon initializatation */ completed = 1; write(waiter[1], &completed, sizeof(completed)); close(waiter[0]); close(waiter[1]); } return 0; } static struct fuse_chan *fuse_mount_common(const char *mountpoint, struct fuse_args *args) { struct fuse_chan *ch; int fd; /* * Make sure file descriptors 0, 1 and 2 are open, otherwise chaos * would ensue. */ do { fd = open("/dev/null", O_RDWR); if (fd > 2) close(fd); } while (fd >= 0 && fd <= 2); fd = fuse_mount_compat25(mountpoint, args); if (fd == -1) return NULL; ch = fuse_kern_chan_new(fd); if (!ch) fuse_kern_unmount(mountpoint, fd); return ch; } struct fuse_chan *fuse_mount(const char *mountpoint, struct fuse_args *args) { return fuse_mount_common(mountpoint, args); } static void fuse_unmount_common(const char *mountpoint, struct fuse_chan *ch) { if (mountpoint) { int fd = ch ? fuse_chan_clearfd(ch) : -1; fuse_kern_unmount(mountpoint, fd); if (ch) fuse_chan_destroy(ch); } } void fuse_unmount(const char *mountpoint, struct fuse_chan *ch) { fuse_unmount_common(mountpoint, ch); } struct fuse *fuse_setup_common(int argc, char *argv[], const struct fuse_operations *op, size_t op_size, char **mountpoint, int *multithreaded, int *fd, void *user_data, int compat) { struct fuse_args args = FUSE_ARGS_INIT(argc, argv); struct fuse_chan *ch; struct fuse *fuse; int foreground; int res; res = fuse_parse_cmdline(&args, mountpoint, multithreaded, &foreground); if (res == -1) return NULL; ch = fuse_mount_common(*mountpoint, &args); if (!ch) { fuse_opt_free_args(&args); goto err_free; } fuse = fuse_new_common(ch, &args, op, op_size, user_data, compat); fuse_opt_free_args(&args); if (fuse == NULL) goto err_unmount; res = fuse_daemonize(foreground); if (res == -1) goto err_unmount; res = fuse_set_signal_handlers(fuse_get_session(fuse)); if (res == -1) goto err_unmount; if (fd) *fd = fuse_chan_fd(ch); return fuse; err_unmount: fuse_unmount_common(*mountpoint, ch); if (fuse) fuse_destroy(fuse); err_free: free(*mountpoint); return NULL; } struct fuse *fuse_setup(int argc, char *argv[], const struct fuse_operations *op, size_t op_size, char **mountpoint, int *multithreaded, void *user_data) { return fuse_setup_common(argc, argv, op, op_size, mountpoint, multithreaded, NULL, user_data, 0); } static void fuse_teardown_common(struct fuse *fuse, char *mountpoint) { struct fuse_session *se = fuse_get_session(fuse); struct fuse_chan *ch = fuse_session_next_chan(se, NULL); fuse_remove_signal_handlers(se); fuse_unmount_common(mountpoint, ch); fuse_destroy(fuse); free(mountpoint); } void fuse_teardown(struct fuse *fuse, char *mountpoint) { fuse_teardown_common(fuse, mountpoint); } static int fuse_main_common(int argc, char *argv[], const struct fuse_operations *op, size_t op_size, void *user_data, int compat) { struct fuse *fuse; char *mountpoint; int multithreaded; int res; fuse = fuse_setup_common(argc, argv, op, op_size, &mountpoint, &multithreaded, NULL, user_data, compat); if (fuse == NULL) return 1; if (multithreaded) res = fuse_loop_mt(fuse); else res = fuse_loop(fuse); fuse_teardown_common(fuse, mountpoint); if (res == -1) return 1; return 0; } int fuse_main_real(int argc, char *argv[], const struct fuse_operations *op, size_t op_size, void *user_data) { return fuse_main_common(argc, argv, op, op_size, user_data, 0); } #undef fuse_main int fuse_main(void); int fuse_main(void) { fprintf(stderr, "fuse_main(): This function does not exist\n"); return -1; } int fuse_version(void) { return FUSE_VERSION; } #include "fuse_compat.h" #if !defined(__FreeBSD__) && !defined(__NetBSD__) struct fuse *fuse_setup_compat22(int argc, char *argv[], const struct fuse_operations_compat22 *op, size_t op_size, char **mountpoint, int *multithreaded, int *fd) { return fuse_setup_common(argc, argv, (struct fuse_operations *) op, op_size, mountpoint, multithreaded, fd, NULL, 22); } struct fuse *fuse_setup_compat2(int argc, char *argv[], const struct fuse_operations_compat2 *op, char **mountpoint, int *multithreaded, int *fd) { return fuse_setup_common(argc, argv, (struct fuse_operations *) op, sizeof(struct fuse_operations_compat2), mountpoint, multithreaded, fd, NULL, 21); } int fuse_main_real_compat22(int argc, char *argv[], const struct fuse_operations_compat22 *op, size_t op_size) { return fuse_main_common(argc, argv, (struct fuse_operations *) op, op_size, NULL, 22); } void fuse_main_compat1(int argc, char *argv[], const struct fuse_operations_compat1 *op) { fuse_main_common(argc, argv, (struct fuse_operations *) op, sizeof(struct fuse_operations_compat1), NULL, 11); } int fuse_main_compat2(int argc, char *argv[], const struct fuse_operations_compat2 *op) { return fuse_main_common(argc, argv, (struct fuse_operations *) op, sizeof(struct fuse_operations_compat2), NULL, 21); } int fuse_mount_compat1(const char *mountpoint, const char *args[]) { /* just ignore mount args for now */ (void) args; return fuse_mount_compat22(mountpoint, NULL); } FUSE_SYMVER(".symver fuse_setup_compat2,__fuse_setup@"); FUSE_SYMVER(".symver fuse_setup_compat22,fuse_setup@FUSE_2.2"); FUSE_SYMVER(".symver fuse_teardown,__fuse_teardown@"); FUSE_SYMVER(".symver fuse_main_compat2,fuse_main@"); FUSE_SYMVER(".symver fuse_main_real_compat22,fuse_main_real@FUSE_2.2"); #endif /* __FreeBSD__ || __NetBSD__ */ struct fuse *fuse_setup_compat25(int argc, char *argv[], const struct fuse_operations_compat25 *op, size_t op_size, char **mountpoint, int *multithreaded, int *fd) { return fuse_setup_common(argc, argv, (struct fuse_operations *) op, op_size, mountpoint, multithreaded, fd, NULL, 25); } int fuse_main_real_compat25(int argc, char *argv[], const struct fuse_operations_compat25 *op, size_t op_size) { return fuse_main_common(argc, argv, (struct fuse_operations *) op, op_size, NULL, 25); } void fuse_teardown_compat22(struct fuse *fuse, int fd, char *mountpoint) { (void) fd; fuse_teardown_common(fuse, mountpoint); } int fuse_mount_compat25(const char *mountpoint, struct fuse_args *args) { return fuse_kern_mount(mountpoint, args); } FUSE_SYMVER(".symver fuse_setup_compat25,fuse_setup@FUSE_2.5"); FUSE_SYMVER(".symver fuse_teardown_compat22,fuse_teardown@FUSE_2.2"); FUSE_SYMVER(".symver fuse_main_real_compat25,fuse_main_real@FUSE_2.5"); FUSE_SYMVER(".symver fuse_mount_compat25,fuse_mount@FUSE_2.5"); fuse-2.9.7/lib/fuse.c0000644000175000017500000033424412732044227011305 00000000000000/* FUSE: Filesystem in Userspace Copyright (C) 2001-2007 Miklos Szeredi This program can be distributed under the terms of the GNU LGPLv2. See the file COPYING.LIB */ /* For pthread_rwlock_t */ #define _GNU_SOURCE #include "config.h" #include "fuse_i.h" #include "fuse_lowlevel.h" #include "fuse_opt.h" #include "fuse_misc.h" #include "fuse_common_compat.h" #include "fuse_compat.h" #include "fuse_kernel.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define FUSE_NODE_SLAB 1 #ifndef MAP_ANONYMOUS #undef FUSE_NODE_SLAB #endif #define FUSE_DEFAULT_INTR_SIGNAL SIGUSR1 #define FUSE_UNKNOWN_INO 0xffffffff #define OFFSET_MAX 0x7fffffffffffffffLL #define NODE_TABLE_MIN_SIZE 8192 struct fuse_config { unsigned int uid; unsigned int gid; unsigned int umask; double entry_timeout; double negative_timeout; double attr_timeout; double ac_attr_timeout; int ac_attr_timeout_set; int remember; int nopath; int debug; int hard_remove; int use_ino; int readdir_ino; int set_mode; int set_uid; int set_gid; int direct_io; int kernel_cache; int auto_cache; int intr; int intr_signal; int help; char *modules; }; struct fuse_fs { struct fuse_operations op; struct fuse_module *m; void *user_data; int compat; int debug; }; struct fusemod_so { void *handle; int ctr; }; struct lock_queue_element { struct lock_queue_element *next; pthread_cond_t cond; fuse_ino_t nodeid1; const char *name1; char **path1; struct node **wnode1; fuse_ino_t nodeid2; const char *name2; char **path2; struct node **wnode2; int err; bool first_locked : 1; bool second_locked : 1; bool done : 1; }; struct node_table { struct node **array; size_t use; size_t size; size_t split; }; #define container_of(ptr, type, member) ({ \ const typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr - offsetof(type,member) );}) #define list_entry(ptr, type, member) \ container_of(ptr, type, member) struct list_head { struct list_head *next; struct list_head *prev; }; struct node_slab { struct list_head list; /* must be the first member */ struct list_head freelist; int used; }; struct fuse { struct fuse_session *se; struct node_table name_table; struct node_table id_table; struct list_head lru_table; fuse_ino_t ctr; unsigned int generation; unsigned int hidectr; pthread_mutex_t lock; struct fuse_config conf; int intr_installed; struct fuse_fs *fs; int nullpath_ok; int utime_omit_ok; struct lock_queue_element *lockq; int pagesize; struct list_head partial_slabs; struct list_head full_slabs; pthread_t prune_thread; }; struct lock { int type; off_t start; off_t end; pid_t pid; uint64_t owner; struct lock *next; }; struct node { struct node *name_next; struct node *id_next; fuse_ino_t nodeid; unsigned int generation; int refctr; struct node *parent; char *name; uint64_t nlookup; int open_count; struct timespec stat_updated; struct timespec mtime; off_t size; struct lock *locks; unsigned int is_hidden : 1; unsigned int cache_valid : 1; int treelock; char inline_name[32]; }; #define TREELOCK_WRITE -1 #define TREELOCK_WAIT_OFFSET INT_MIN struct node_lru { struct node node; struct list_head lru; struct timespec forget_time; }; struct fuse_dh { pthread_mutex_t lock; struct fuse *fuse; fuse_req_t req; char *contents; int allocated; unsigned len; unsigned size; unsigned needlen; int filled; uint64_t fh; int error; fuse_ino_t nodeid; }; /* old dir handle */ struct fuse_dirhandle { fuse_fill_dir_t filler; void *buf; }; struct fuse_context_i { struct fuse_context ctx; fuse_req_t req; }; static pthread_key_t fuse_context_key; static pthread_mutex_t fuse_context_lock = PTHREAD_MUTEX_INITIALIZER; static int fuse_context_ref; static struct fusemod_so *fuse_current_so; static struct fuse_module *fuse_modules; static int fuse_load_so_name(const char *soname) { struct fusemod_so *so; so = calloc(1, sizeof(struct fusemod_so)); if (!so) { fprintf(stderr, "fuse: memory allocation failed\n"); return -1; } fuse_current_so = so; so->handle = dlopen(soname, RTLD_NOW); fuse_current_so = NULL; if (!so->handle) { fprintf(stderr, "fuse: %s\n", dlerror()); goto err; } if (!so->ctr) { fprintf(stderr, "fuse: %s did not register any modules\n", soname); goto err; } return 0; err: if (so->handle) dlclose(so->handle); free(so); return -1; } static int fuse_load_so_module(const char *module) { int res; char *soname = malloc(strlen(module) + 64); if (!soname) { fprintf(stderr, "fuse: memory allocation failed\n"); return -1; } sprintf(soname, "libfusemod_%s.so", module); res = fuse_load_so_name(soname); free(soname); return res; } static struct fuse_module *fuse_find_module(const char *module) { struct fuse_module *m; for (m = fuse_modules; m; m = m->next) { if (strcmp(module, m->name) == 0) { m->ctr++; break; } } return m; } static struct fuse_module *fuse_get_module(const char *module) { struct fuse_module *m; pthread_mutex_lock(&fuse_context_lock); m = fuse_find_module(module); if (!m) { int err = fuse_load_so_module(module); if (!err) m = fuse_find_module(module); } pthread_mutex_unlock(&fuse_context_lock); return m; } static void fuse_put_module(struct fuse_module *m) { pthread_mutex_lock(&fuse_context_lock); assert(m->ctr > 0); m->ctr--; if (!m->ctr && m->so) { struct fusemod_so *so = m->so; assert(so->ctr > 0); so->ctr--; if (!so->ctr) { struct fuse_module **mp; for (mp = &fuse_modules; *mp;) { if ((*mp)->so == so) *mp = (*mp)->next; else mp = &(*mp)->next; } dlclose(so->handle); free(so); } } pthread_mutex_unlock(&fuse_context_lock); } static void init_list_head(struct list_head *list) { list->next = list; list->prev = list; } static int list_empty(const struct list_head *head) { return head->next == head; } static void list_add(struct list_head *new, struct list_head *prev, struct list_head *next) { next->prev = new; new->next = next; new->prev = prev; prev->next = new; } static inline void list_add_head(struct list_head *new, struct list_head *head) { list_add(new, head, head->next); } static inline void list_add_tail(struct list_head *new, struct list_head *head) { list_add(new, head->prev, head); } static inline void list_del(struct list_head *entry) { struct list_head *prev = entry->prev; struct list_head *next = entry->next; next->prev = prev; prev->next = next; } static inline int lru_enabled(struct fuse *f) { return f->conf.remember > 0; } static struct node_lru *node_lru(struct node *node) { return (struct node_lru *) node; } static size_t get_node_size(struct fuse *f) { if (lru_enabled(f)) return sizeof(struct node_lru); else return sizeof(struct node); } #ifdef FUSE_NODE_SLAB static struct node_slab *list_to_slab(struct list_head *head) { return (struct node_slab *) head; } static struct node_slab *node_to_slab(struct fuse *f, struct node *node) { return (struct node_slab *) (((uintptr_t) node) & ~((uintptr_t) f->pagesize - 1)); } static int alloc_slab(struct fuse *f) { void *mem; struct node_slab *slab; char *start; size_t num; size_t i; size_t node_size = get_node_size(f); mem = mmap(NULL, f->pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (mem == MAP_FAILED) return -1; slab = mem; init_list_head(&slab->freelist); slab->used = 0; num = (f->pagesize - sizeof(struct node_slab)) / node_size; start = (char *) mem + f->pagesize - num * node_size; for (i = 0; i < num; i++) { struct list_head *n; n = (struct list_head *) (start + i * node_size); list_add_tail(n, &slab->freelist); } list_add_tail(&slab->list, &f->partial_slabs); return 0; } static struct node *alloc_node(struct fuse *f) { struct node_slab *slab; struct list_head *node; if (list_empty(&f->partial_slabs)) { int res = alloc_slab(f); if (res != 0) return NULL; } slab = list_to_slab(f->partial_slabs.next); slab->used++; node = slab->freelist.next; list_del(node); if (list_empty(&slab->freelist)) { list_del(&slab->list); list_add_tail(&slab->list, &f->full_slabs); } memset(node, 0, sizeof(struct node)); return (struct node *) node; } static void free_slab(struct fuse *f, struct node_slab *slab) { int res; list_del(&slab->list); res = munmap(slab, f->pagesize); if (res == -1) fprintf(stderr, "fuse warning: munmap(%p) failed\n", slab); } static void free_node_mem(struct fuse *f, struct node *node) { struct node_slab *slab = node_to_slab(f, node); struct list_head *n = (struct list_head *) node; slab->used--; if (slab->used) { if (list_empty(&slab->freelist)) { list_del(&slab->list); list_add_tail(&slab->list, &f->partial_slabs); } list_add_head(n, &slab->freelist); } else { free_slab(f, slab); } } #else static struct node *alloc_node(struct fuse *f) { return (struct node *) calloc(1, get_node_size(f)); } static void free_node_mem(struct fuse *f, struct node *node) { (void) f; free(node); } #endif static size_t id_hash(struct fuse *f, fuse_ino_t ino) { uint64_t hash = ((uint32_t) ino * 2654435761U) % f->id_table.size; uint64_t oldhash = hash % (f->id_table.size / 2); if (oldhash >= f->id_table.split) return oldhash; else return hash; } static struct node *get_node_nocheck(struct fuse *f, fuse_ino_t nodeid) { size_t hash = id_hash(f, nodeid); struct node *node; for (node = f->id_table.array[hash]; node != NULL; node = node->id_next) if (node->nodeid == nodeid) return node; return NULL; } static struct node *get_node(struct fuse *f, fuse_ino_t nodeid) { struct node *node = get_node_nocheck(f, nodeid); if (!node) { fprintf(stderr, "fuse internal error: node %llu not found\n", (unsigned long long) nodeid); abort(); } return node; } static void curr_time(struct timespec *now); static double diff_timespec(const struct timespec *t1, const struct timespec *t2); static void remove_node_lru(struct node *node) { struct node_lru *lnode = node_lru(node); list_del(&lnode->lru); init_list_head(&lnode->lru); } static void set_forget_time(struct fuse *f, struct node *node) { struct node_lru *lnode = node_lru(node); list_del(&lnode->lru); list_add_tail(&lnode->lru, &f->lru_table); curr_time(&lnode->forget_time); } static void free_node(struct fuse *f, struct node *node) { if (node->name != node->inline_name) free(node->name); free_node_mem(f, node); } static void node_table_reduce(struct node_table *t) { size_t newsize = t->size / 2; void *newarray; if (newsize < NODE_TABLE_MIN_SIZE) return; newarray = realloc(t->array, sizeof(struct node *) * newsize); if (newarray != NULL) t->array = newarray; t->size = newsize; t->split = t->size / 2; } static void remerge_id(struct fuse *f) { struct node_table *t = &f->id_table; int iter; if (t->split == 0) node_table_reduce(t); for (iter = 8; t->split > 0 && iter; iter--) { struct node **upper; t->split--; upper = &t->array[t->split + t->size / 2]; if (*upper) { struct node **nodep; for (nodep = &t->array[t->split]; *nodep; nodep = &(*nodep)->id_next); *nodep = *upper; *upper = NULL; break; } } } static void unhash_id(struct fuse *f, struct node *node) { struct node **nodep = &f->id_table.array[id_hash(f, node->nodeid)]; for (; *nodep != NULL; nodep = &(*nodep)->id_next) if (*nodep == node) { *nodep = node->id_next; f->id_table.use--; if(f->id_table.use < f->id_table.size / 4) remerge_id(f); return; } } static int node_table_resize(struct node_table *t) { size_t newsize = t->size * 2; void *newarray; newarray = realloc(t->array, sizeof(struct node *) * newsize); if (newarray == NULL) return -1; t->array = newarray; memset(t->array + t->size, 0, t->size * sizeof(struct node *)); t->size = newsize; t->split = 0; return 0; } static void rehash_id(struct fuse *f) { struct node_table *t = &f->id_table; struct node **nodep; struct node **next; size_t hash; if (t->split == t->size / 2) return; hash = t->split; t->split++; for (nodep = &t->array[hash]; *nodep != NULL; nodep = next) { struct node *node = *nodep; size_t newhash = id_hash(f, node->nodeid); if (newhash != hash) { next = nodep; *nodep = node->id_next; node->id_next = t->array[newhash]; t->array[newhash] = node; } else { next = &node->id_next; } } if (t->split == t->size / 2) node_table_resize(t); } static void hash_id(struct fuse *f, struct node *node) { size_t hash = id_hash(f, node->nodeid); node->id_next = f->id_table.array[hash]; f->id_table.array[hash] = node; f->id_table.use++; if (f->id_table.use >= f->id_table.size / 2) rehash_id(f); } static size_t name_hash(struct fuse *f, fuse_ino_t parent, const char *name) { uint64_t hash = parent; uint64_t oldhash; for (; *name; name++) hash = hash * 31 + (unsigned char) *name; hash %= f->name_table.size; oldhash = hash % (f->name_table.size / 2); if (oldhash >= f->name_table.split) return oldhash; else return hash; } static void unref_node(struct fuse *f, struct node *node); static void remerge_name(struct fuse *f) { struct node_table *t = &f->name_table; int iter; if (t->split == 0) node_table_reduce(t); for (iter = 8; t->split > 0 && iter; iter--) { struct node **upper; t->split--; upper = &t->array[t->split + t->size / 2]; if (*upper) { struct node **nodep; for (nodep = &t->array[t->split]; *nodep; nodep = &(*nodep)->name_next); *nodep = *upper; *upper = NULL; break; } } } static void unhash_name(struct fuse *f, struct node *node) { if (node->name) { size_t hash = name_hash(f, node->parent->nodeid, node->name); struct node **nodep = &f->name_table.array[hash]; for (; *nodep != NULL; nodep = &(*nodep)->name_next) if (*nodep == node) { *nodep = node->name_next; node->name_next = NULL; unref_node(f, node->parent); if (node->name != node->inline_name) free(node->name); node->name = NULL; node->parent = NULL; f->name_table.use--; if (f->name_table.use < f->name_table.size / 4) remerge_name(f); return; } fprintf(stderr, "fuse internal error: unable to unhash node: %llu\n", (unsigned long long) node->nodeid); abort(); } } static void rehash_name(struct fuse *f) { struct node_table *t = &f->name_table; struct node **nodep; struct node **next; size_t hash; if (t->split == t->size / 2) return; hash = t->split; t->split++; for (nodep = &t->array[hash]; *nodep != NULL; nodep = next) { struct node *node = *nodep; size_t newhash = name_hash(f, node->parent->nodeid, node->name); if (newhash != hash) { next = nodep; *nodep = node->name_next; node->name_next = t->array[newhash]; t->array[newhash] = node; } else { next = &node->name_next; } } if (t->split == t->size / 2) node_table_resize(t); } static int hash_name(struct fuse *f, struct node *node, fuse_ino_t parentid, const char *name) { size_t hash = name_hash(f, parentid, name); struct node *parent = get_node(f, parentid); if (strlen(name) < sizeof(node->inline_name)) { strcpy(node->inline_name, name); node->name = node->inline_name; } else { node->name = strdup(name); if (node->name == NULL) return -1; } parent->refctr ++; node->parent = parent; node->name_next = f->name_table.array[hash]; f->name_table.array[hash] = node; f->name_table.use++; if (f->name_table.use >= f->name_table.size / 2) rehash_name(f); return 0; } static void delete_node(struct fuse *f, struct node *node) { if (f->conf.debug) fprintf(stderr, "DELETE: %llu\n", (unsigned long long) node->nodeid); assert(node->treelock == 0); unhash_name(f, node); if (lru_enabled(f)) remove_node_lru(node); unhash_id(f, node); free_node(f, node); } static void unref_node(struct fuse *f, struct node *node) { assert(node->refctr > 0); node->refctr --; if (!node->refctr) delete_node(f, node); } static fuse_ino_t next_id(struct fuse *f) { do { f->ctr = (f->ctr + 1) & 0xffffffff; if (!f->ctr) f->generation ++; } while (f->ctr == 0 || f->ctr == FUSE_UNKNOWN_INO || get_node_nocheck(f, f->ctr) != NULL); return f->ctr; } static struct node *lookup_node(struct fuse *f, fuse_ino_t parent, const char *name) { size_t hash = name_hash(f, parent, name); struct node *node; for (node = f->name_table.array[hash]; node != NULL; node = node->name_next) if (node->parent->nodeid == parent && strcmp(node->name, name) == 0) return node; return NULL; } static void inc_nlookup(struct node *node) { if (!node->nlookup) node->refctr++; node->nlookup++; } static struct node *find_node(struct fuse *f, fuse_ino_t parent, const char *name) { struct node *node; pthread_mutex_lock(&f->lock); if (!name) node = get_node(f, parent); else node = lookup_node(f, parent, name); if (node == NULL) { node = alloc_node(f); if (node == NULL) goto out_err; node->nodeid = next_id(f); node->generation = f->generation; if (f->conf.remember) inc_nlookup(node); if (hash_name(f, node, parent, name) == -1) { free_node(f, node); node = NULL; goto out_err; } hash_id(f, node); if (lru_enabled(f)) { struct node_lru *lnode = node_lru(node); init_list_head(&lnode->lru); } } else if (lru_enabled(f) && node->nlookup == 1) { remove_node_lru(node); } inc_nlookup(node); out_err: pthread_mutex_unlock(&f->lock); return node; } static char *add_name(char **buf, unsigned *bufsize, char *s, const char *name) { size_t len = strlen(name); if (s - len <= *buf) { unsigned pathlen = *bufsize - (s - *buf); unsigned newbufsize = *bufsize; char *newbuf; while (newbufsize < pathlen + len + 1) { if (newbufsize >= 0x80000000) newbufsize = 0xffffffff; else newbufsize *= 2; } newbuf = realloc(*buf, newbufsize); if (newbuf == NULL) return NULL; *buf = newbuf; s = newbuf + newbufsize - pathlen; memmove(s, newbuf + *bufsize - pathlen, pathlen); *bufsize = newbufsize; } s -= len; strncpy(s, name, len); s--; *s = '/'; return s; } static void unlock_path(struct fuse *f, fuse_ino_t nodeid, struct node *wnode, struct node *end) { struct node *node; if (wnode) { assert(wnode->treelock == TREELOCK_WRITE); wnode->treelock = 0; } for (node = get_node(f, nodeid); node != end && node->nodeid != FUSE_ROOT_ID; node = node->parent) { assert(node->treelock != 0); assert(node->treelock != TREELOCK_WAIT_OFFSET); assert(node->treelock != TREELOCK_WRITE); node->treelock--; if (node->treelock == TREELOCK_WAIT_OFFSET) node->treelock = 0; } } static int try_get_path(struct fuse *f, fuse_ino_t nodeid, const char *name, char **path, struct node **wnodep, bool need_lock) { unsigned bufsize = 256; char *buf; char *s; struct node *node; struct node *wnode = NULL; int err; *path = NULL; err = -ENOMEM; buf = malloc(bufsize); if (buf == NULL) goto out_err; s = buf + bufsize - 1; *s = '\0'; if (name != NULL) { s = add_name(&buf, &bufsize, s, name); err = -ENOMEM; if (s == NULL) goto out_free; } if (wnodep) { assert(need_lock); wnode = lookup_node(f, nodeid, name); if (wnode) { if (wnode->treelock != 0) { if (wnode->treelock > 0) wnode->treelock += TREELOCK_WAIT_OFFSET; err = -EAGAIN; goto out_free; } wnode->treelock = TREELOCK_WRITE; } } for (node = get_node(f, nodeid); node->nodeid != FUSE_ROOT_ID; node = node->parent) { err = -ENOENT; if (node->name == NULL || node->parent == NULL) goto out_unlock; err = -ENOMEM; s = add_name(&buf, &bufsize, s, node->name); if (s == NULL) goto out_unlock; if (need_lock) { err = -EAGAIN; if (node->treelock < 0) goto out_unlock; node->treelock++; } } if (s[0]) memmove(buf, s, bufsize - (s - buf)); else strcpy(buf, "/"); *path = buf; if (wnodep) *wnodep = wnode; return 0; out_unlock: if (need_lock) unlock_path(f, nodeid, wnode, node); out_free: free(buf); out_err: return err; } static void queue_element_unlock(struct fuse *f, struct lock_queue_element *qe) { struct node *wnode; if (qe->first_locked) { wnode = qe->wnode1 ? *qe->wnode1 : NULL; unlock_path(f, qe->nodeid1, wnode, NULL); qe->first_locked = false; } if (qe->second_locked) { wnode = qe->wnode2 ? *qe->wnode2 : NULL; unlock_path(f, qe->nodeid2, wnode, NULL); qe->second_locked = false; } } static void queue_element_wakeup(struct fuse *f, struct lock_queue_element *qe) { int err; bool first = (qe == f->lockq); if (!qe->path1) { /* Just waiting for it to be unlocked */ if (get_node(f, qe->nodeid1)->treelock == 0) pthread_cond_signal(&qe->cond); return; } if (!qe->first_locked) { err = try_get_path(f, qe->nodeid1, qe->name1, qe->path1, qe->wnode1, true); if (!err) qe->first_locked = true; else if (err != -EAGAIN) goto err_unlock; } if (!qe->second_locked && qe->path2) { err = try_get_path(f, qe->nodeid2, qe->name2, qe->path2, qe->wnode2, true); if (!err) qe->second_locked = true; else if (err != -EAGAIN) goto err_unlock; } if (qe->first_locked && (qe->second_locked || !qe->path2)) { err = 0; goto done; } /* * Only let the first element be partially locked otherwise there could * be a deadlock. * * But do allow the first element to be partially locked to prevent * starvation. */ if (!first) queue_element_unlock(f, qe); /* keep trying */ return; err_unlock: queue_element_unlock(f, qe); done: qe->err = err; qe->done = true; pthread_cond_signal(&qe->cond); } static void wake_up_queued(struct fuse *f) { struct lock_queue_element *qe; for (qe = f->lockq; qe != NULL; qe = qe->next) queue_element_wakeup(f, qe); } static void debug_path(struct fuse *f, const char *msg, fuse_ino_t nodeid, const char *name, bool wr) { if (f->conf.debug) { struct node *wnode = NULL; if (wr) wnode = lookup_node(f, nodeid, name); if (wnode) fprintf(stderr, "%s %li (w)\n", msg, wnode->nodeid); else fprintf(stderr, "%s %li\n", msg, nodeid); } } static void queue_path(struct fuse *f, struct lock_queue_element *qe) { struct lock_queue_element **qp; qe->done = false; qe->first_locked = false; qe->second_locked = false; pthread_cond_init(&qe->cond, NULL); qe->next = NULL; for (qp = &f->lockq; *qp != NULL; qp = &(*qp)->next); *qp = qe; } static void dequeue_path(struct fuse *f, struct lock_queue_element *qe) { struct lock_queue_element **qp; pthread_cond_destroy(&qe->cond); for (qp = &f->lockq; *qp != qe; qp = &(*qp)->next); *qp = qe->next; } static int wait_path(struct fuse *f, struct lock_queue_element *qe) { queue_path(f, qe); do { pthread_cond_wait(&qe->cond, &f->lock); } while (!qe->done); dequeue_path(f, qe); return qe->err; } static int get_path_common(struct fuse *f, fuse_ino_t nodeid, const char *name, char **path, struct node **wnode) { int err; pthread_mutex_lock(&f->lock); err = try_get_path(f, nodeid, name, path, wnode, true); if (err == -EAGAIN) { struct lock_queue_element qe = { .nodeid1 = nodeid, .name1 = name, .path1 = path, .wnode1 = wnode, }; debug_path(f, "QUEUE PATH", nodeid, name, !!wnode); err = wait_path(f, &qe); debug_path(f, "DEQUEUE PATH", nodeid, name, !!wnode); } pthread_mutex_unlock(&f->lock); return err; } static int get_path(struct fuse *f, fuse_ino_t nodeid, char **path) { return get_path_common(f, nodeid, NULL, path, NULL); } static int get_path_nullok(struct fuse *f, fuse_ino_t nodeid, char **path) { int err = 0; if (f->conf.nopath) { *path = NULL; } else { err = get_path_common(f, nodeid, NULL, path, NULL); if (err == -ENOENT && f->nullpath_ok) err = 0; } return err; } static int get_path_name(struct fuse *f, fuse_ino_t nodeid, const char *name, char **path) { return get_path_common(f, nodeid, name, path, NULL); } static int get_path_wrlock(struct fuse *f, fuse_ino_t nodeid, const char *name, char **path, struct node **wnode) { return get_path_common(f, nodeid, name, path, wnode); } static int try_get_path2(struct fuse *f, fuse_ino_t nodeid1, const char *name1, fuse_ino_t nodeid2, const char *name2, char **path1, char **path2, struct node **wnode1, struct node **wnode2) { int err; /* FIXME: locking two paths needs deadlock checking */ err = try_get_path(f, nodeid1, name1, path1, wnode1, true); if (!err) { err = try_get_path(f, nodeid2, name2, path2, wnode2, true); if (err) { struct node *wn1 = wnode1 ? *wnode1 : NULL; unlock_path(f, nodeid1, wn1, NULL); free(*path1); } } return err; } static int get_path2(struct fuse *f, fuse_ino_t nodeid1, const char *name1, fuse_ino_t nodeid2, const char *name2, char **path1, char **path2, struct node **wnode1, struct node **wnode2) { int err; pthread_mutex_lock(&f->lock); err = try_get_path2(f, nodeid1, name1, nodeid2, name2, path1, path2, wnode1, wnode2); if (err == -EAGAIN) { struct lock_queue_element qe = { .nodeid1 = nodeid1, .name1 = name1, .path1 = path1, .wnode1 = wnode1, .nodeid2 = nodeid2, .name2 = name2, .path2 = path2, .wnode2 = wnode2, }; debug_path(f, "QUEUE PATH1", nodeid1, name1, !!wnode1); debug_path(f, " PATH2", nodeid2, name2, !!wnode2); err = wait_path(f, &qe); debug_path(f, "DEQUEUE PATH1", nodeid1, name1, !!wnode1); debug_path(f, " PATH2", nodeid2, name2, !!wnode2); } pthread_mutex_unlock(&f->lock); return err; } static void free_path_wrlock(struct fuse *f, fuse_ino_t nodeid, struct node *wnode, char *path) { pthread_mutex_lock(&f->lock); unlock_path(f, nodeid, wnode, NULL); if (f->lockq) wake_up_queued(f); pthread_mutex_unlock(&f->lock); free(path); } static void free_path(struct fuse *f, fuse_ino_t nodeid, char *path) { if (path) free_path_wrlock(f, nodeid, NULL, path); } static void free_path2(struct fuse *f, fuse_ino_t nodeid1, fuse_ino_t nodeid2, struct node *wnode1, struct node *wnode2, char *path1, char *path2) { pthread_mutex_lock(&f->lock); unlock_path(f, nodeid1, wnode1, NULL); unlock_path(f, nodeid2, wnode2, NULL); wake_up_queued(f); pthread_mutex_unlock(&f->lock); free(path1); free(path2); } static void forget_node(struct fuse *f, fuse_ino_t nodeid, uint64_t nlookup) { struct node *node; if (nodeid == FUSE_ROOT_ID) return; pthread_mutex_lock(&f->lock); node = get_node(f, nodeid); /* * Node may still be locked due to interrupt idiocy in open, * create and opendir */ while (node->nlookup == nlookup && node->treelock) { struct lock_queue_element qe = { .nodeid1 = nodeid, }; debug_path(f, "QUEUE PATH (forget)", nodeid, NULL, false); queue_path(f, &qe); do { pthread_cond_wait(&qe.cond, &f->lock); } while (node->nlookup == nlookup && node->treelock); dequeue_path(f, &qe); debug_path(f, "DEQUEUE_PATH (forget)", nodeid, NULL, false); } assert(node->nlookup >= nlookup); node->nlookup -= nlookup; if (!node->nlookup) { unref_node(f, node); } else if (lru_enabled(f) && node->nlookup == 1) { set_forget_time(f, node); } pthread_mutex_unlock(&f->lock); } static void unlink_node(struct fuse *f, struct node *node) { if (f->conf.remember) { assert(node->nlookup > 1); node->nlookup--; } unhash_name(f, node); } static void remove_node(struct fuse *f, fuse_ino_t dir, const char *name) { struct node *node; pthread_mutex_lock(&f->lock); node = lookup_node(f, dir, name); if (node != NULL) unlink_node(f, node); pthread_mutex_unlock(&f->lock); } static int rename_node(struct fuse *f, fuse_ino_t olddir, const char *oldname, fuse_ino_t newdir, const char *newname, int hide) { struct node *node; struct node *newnode; int err = 0; pthread_mutex_lock(&f->lock); node = lookup_node(f, olddir, oldname); newnode = lookup_node(f, newdir, newname); if (node == NULL) goto out; if (newnode != NULL) { if (hide) { fprintf(stderr, "fuse: hidden file got created during hiding\n"); err = -EBUSY; goto out; } unlink_node(f, newnode); } unhash_name(f, node); if (hash_name(f, node, newdir, newname) == -1) { err = -ENOMEM; goto out; } if (hide) node->is_hidden = 1; out: pthread_mutex_unlock(&f->lock); return err; } static void set_stat(struct fuse *f, fuse_ino_t nodeid, struct stat *stbuf) { if (!f->conf.use_ino) stbuf->st_ino = nodeid; if (f->conf.set_mode) stbuf->st_mode = (stbuf->st_mode & S_IFMT) | (0777 & ~f->conf.umask); if (f->conf.set_uid) stbuf->st_uid = f->conf.uid; if (f->conf.set_gid) stbuf->st_gid = f->conf.gid; } static struct fuse *req_fuse(fuse_req_t req) { return (struct fuse *) fuse_req_userdata(req); } static void fuse_intr_sighandler(int sig) { (void) sig; /* Nothing to do */ } struct fuse_intr_data { pthread_t id; pthread_cond_t cond; int finished; }; static void fuse_interrupt(fuse_req_t req, void *d_) { struct fuse_intr_data *d = d_; struct fuse *f = req_fuse(req); if (d->id == pthread_self()) return; pthread_mutex_lock(&f->lock); while (!d->finished) { struct timeval now; struct timespec timeout; pthread_kill(d->id, f->conf.intr_signal); gettimeofday(&now, NULL); timeout.tv_sec = now.tv_sec + 1; timeout.tv_nsec = now.tv_usec * 1000; pthread_cond_timedwait(&d->cond, &f->lock, &timeout); } pthread_mutex_unlock(&f->lock); } static void fuse_do_finish_interrupt(struct fuse *f, fuse_req_t req, struct fuse_intr_data *d) { pthread_mutex_lock(&f->lock); d->finished = 1; pthread_cond_broadcast(&d->cond); pthread_mutex_unlock(&f->lock); fuse_req_interrupt_func(req, NULL, NULL); pthread_cond_destroy(&d->cond); } static void fuse_do_prepare_interrupt(fuse_req_t req, struct fuse_intr_data *d) { d->id = pthread_self(); pthread_cond_init(&d->cond, NULL); d->finished = 0; fuse_req_interrupt_func(req, fuse_interrupt, d); } static inline void fuse_finish_interrupt(struct fuse *f, fuse_req_t req, struct fuse_intr_data *d) { if (f->conf.intr) fuse_do_finish_interrupt(f, req, d); } static inline void fuse_prepare_interrupt(struct fuse *f, fuse_req_t req, struct fuse_intr_data *d) { if (f->conf.intr) fuse_do_prepare_interrupt(req, d); } #if !defined(__FreeBSD__) && !defined(__NetBSD__) static int fuse_compat_open(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { int err; if (!fs->compat || fs->compat >= 25) err = fs->op.open(path, fi); else if (fs->compat == 22) { struct fuse_file_info_compat tmp; memcpy(&tmp, fi, sizeof(tmp)); err = ((struct fuse_operations_compat22 *) &fs->op)->open(path, &tmp); memcpy(fi, &tmp, sizeof(tmp)); fi->fh = tmp.fh; } else err = ((struct fuse_operations_compat2 *) &fs->op) ->open(path, fi->flags); return err; } static int fuse_compat_release(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { if (!fs->compat || fs->compat >= 22) return fs->op.release(path, fi); else return ((struct fuse_operations_compat2 *) &fs->op) ->release(path, fi->flags); } static int fuse_compat_opendir(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { if (!fs->compat || fs->compat >= 25) return fs->op.opendir(path, fi); else { int err; struct fuse_file_info_compat tmp; memcpy(&tmp, fi, sizeof(tmp)); err = ((struct fuse_operations_compat22 *) &fs->op) ->opendir(path, &tmp); memcpy(fi, &tmp, sizeof(tmp)); fi->fh = tmp.fh; return err; } } static void convert_statfs_compat(struct fuse_statfs_compat1 *compatbuf, struct statvfs *stbuf) { stbuf->f_bsize = compatbuf->block_size; stbuf->f_blocks = compatbuf->blocks; stbuf->f_bfree = compatbuf->blocks_free; stbuf->f_bavail = compatbuf->blocks_free; stbuf->f_files = compatbuf->files; stbuf->f_ffree = compatbuf->files_free; stbuf->f_namemax = compatbuf->namelen; } static void convert_statfs_old(struct statfs *oldbuf, struct statvfs *stbuf) { stbuf->f_bsize = oldbuf->f_bsize; stbuf->f_blocks = oldbuf->f_blocks; stbuf->f_bfree = oldbuf->f_bfree; stbuf->f_bavail = oldbuf->f_bavail; stbuf->f_files = oldbuf->f_files; stbuf->f_ffree = oldbuf->f_ffree; stbuf->f_namemax = oldbuf->f_namelen; } static int fuse_compat_statfs(struct fuse_fs *fs, const char *path, struct statvfs *buf) { int err; if (!fs->compat || fs->compat >= 25) { err = fs->op.statfs(fs->compat == 25 ? "/" : path, buf); } else if (fs->compat > 11) { struct statfs oldbuf; err = ((struct fuse_operations_compat22 *) &fs->op) ->statfs("/", &oldbuf); if (!err) convert_statfs_old(&oldbuf, buf); } else { struct fuse_statfs_compat1 compatbuf; memset(&compatbuf, 0, sizeof(struct fuse_statfs_compat1)); err = ((struct fuse_operations_compat1 *) &fs->op) ->statfs(&compatbuf); if (!err) convert_statfs_compat(&compatbuf, buf); } return err; } #else /* __FreeBSD__ || __NetBSD__ */ static inline int fuse_compat_open(struct fuse_fs *fs, char *path, struct fuse_file_info *fi) { return fs->op.open(path, fi); } static inline int fuse_compat_release(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { return fs->op.release(path, fi); } static inline int fuse_compat_opendir(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { return fs->op.opendir(path, fi); } static inline int fuse_compat_statfs(struct fuse_fs *fs, const char *path, struct statvfs *buf) { return fs->op.statfs(fs->compat == 25 ? "/" : path, buf); } #endif /* __FreeBSD__ || __NetBSD__ */ int fuse_fs_getattr(struct fuse_fs *fs, const char *path, struct stat *buf) { fuse_get_context()->private_data = fs->user_data; if (fs->op.getattr) { if (fs->debug) fprintf(stderr, "getattr %s\n", path); return fs->op.getattr(path, buf); } else { return -ENOSYS; } } int fuse_fs_fgetattr(struct fuse_fs *fs, const char *path, struct stat *buf, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.fgetattr) { if (fs->debug) fprintf(stderr, "fgetattr[%llu] %s\n", (unsigned long long) fi->fh, path); return fs->op.fgetattr(path, buf, fi); } else if (path && fs->op.getattr) { if (fs->debug) fprintf(stderr, "getattr %s\n", path); return fs->op.getattr(path, buf); } else { return -ENOSYS; } } int fuse_fs_rename(struct fuse_fs *fs, const char *oldpath, const char *newpath) { fuse_get_context()->private_data = fs->user_data; if (fs->op.rename) { if (fs->debug) fprintf(stderr, "rename %s %s\n", oldpath, newpath); return fs->op.rename(oldpath, newpath); } else { return -ENOSYS; } } int fuse_fs_unlink(struct fuse_fs *fs, const char *path) { fuse_get_context()->private_data = fs->user_data; if (fs->op.unlink) { if (fs->debug) fprintf(stderr, "unlink %s\n", path); return fs->op.unlink(path); } else { return -ENOSYS; } } int fuse_fs_rmdir(struct fuse_fs *fs, const char *path) { fuse_get_context()->private_data = fs->user_data; if (fs->op.rmdir) { if (fs->debug) fprintf(stderr, "rmdir %s\n", path); return fs->op.rmdir(path); } else { return -ENOSYS; } } int fuse_fs_symlink(struct fuse_fs *fs, const char *linkname, const char *path) { fuse_get_context()->private_data = fs->user_data; if (fs->op.symlink) { if (fs->debug) fprintf(stderr, "symlink %s %s\n", linkname, path); return fs->op.symlink(linkname, path); } else { return -ENOSYS; } } int fuse_fs_link(struct fuse_fs *fs, const char *oldpath, const char *newpath) { fuse_get_context()->private_data = fs->user_data; if (fs->op.link) { if (fs->debug) fprintf(stderr, "link %s %s\n", oldpath, newpath); return fs->op.link(oldpath, newpath); } else { return -ENOSYS; } } int fuse_fs_release(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.release) { if (fs->debug) fprintf(stderr, "release%s[%llu] flags: 0x%x\n", fi->flush ? "+flush" : "", (unsigned long long) fi->fh, fi->flags); return fuse_compat_release(fs, path, fi); } else { return 0; } } int fuse_fs_opendir(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.opendir) { int err; if (fs->debug) fprintf(stderr, "opendir flags: 0x%x %s\n", fi->flags, path); err = fuse_compat_opendir(fs, path, fi); if (fs->debug && !err) fprintf(stderr, " opendir[%lli] flags: 0x%x %s\n", (unsigned long long) fi->fh, fi->flags, path); return err; } else { return 0; } } int fuse_fs_open(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.open) { int err; if (fs->debug) fprintf(stderr, "open flags: 0x%x %s\n", fi->flags, path); err = fuse_compat_open(fs, path, fi); if (fs->debug && !err) fprintf(stderr, " open[%lli] flags: 0x%x %s\n", (unsigned long long) fi->fh, fi->flags, path); return err; } else { return 0; } } static void fuse_free_buf(struct fuse_bufvec *buf) { if (buf != NULL) { size_t i; for (i = 0; i < buf->count; i++) free(buf->buf[i].mem); free(buf); } } int fuse_fs_read_buf(struct fuse_fs *fs, const char *path, struct fuse_bufvec **bufp, size_t size, off_t off, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.read || fs->op.read_buf) { int res; if (fs->debug) fprintf(stderr, "read[%llu] %zu bytes from %llu flags: 0x%x\n", (unsigned long long) fi->fh, size, (unsigned long long) off, fi->flags); if (fs->op.read_buf) { res = fs->op.read_buf(path, bufp, size, off, fi); } else { struct fuse_bufvec *buf; void *mem; buf = malloc(sizeof(struct fuse_bufvec)); if (buf == NULL) return -ENOMEM; mem = malloc(size); if (mem == NULL) { free(buf); return -ENOMEM; } *buf = FUSE_BUFVEC_INIT(size); buf->buf[0].mem = mem; *bufp = buf; res = fs->op.read(path, mem, size, off, fi); if (res >= 0) buf->buf[0].size = res; } if (fs->debug && res >= 0) fprintf(stderr, " read[%llu] %zu bytes from %llu\n", (unsigned long long) fi->fh, fuse_buf_size(*bufp), (unsigned long long) off); if (res >= 0 && fuse_buf_size(*bufp) > (int) size) fprintf(stderr, "fuse: read too many bytes\n"); if (res < 0) return res; return 0; } else { return -ENOSYS; } } int fuse_fs_read(struct fuse_fs *fs, const char *path, char *mem, size_t size, off_t off, struct fuse_file_info *fi) { int res; struct fuse_bufvec *buf = NULL; res = fuse_fs_read_buf(fs, path, &buf, size, off, fi); if (res == 0) { struct fuse_bufvec dst = FUSE_BUFVEC_INIT(size); dst.buf[0].mem = mem; res = fuse_buf_copy(&dst, buf, 0); } fuse_free_buf(buf); return res; } int fuse_fs_write_buf(struct fuse_fs *fs, const char *path, struct fuse_bufvec *buf, off_t off, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.write_buf || fs->op.write) { int res; size_t size = fuse_buf_size(buf); assert(buf->idx == 0 && buf->off == 0); if (fs->debug) fprintf(stderr, "write%s[%llu] %zu bytes to %llu flags: 0x%x\n", fi->writepage ? "page" : "", (unsigned long long) fi->fh, size, (unsigned long long) off, fi->flags); if (fs->op.write_buf) { res = fs->op.write_buf(path, buf, off, fi); } else { void *mem = NULL; struct fuse_buf *flatbuf; struct fuse_bufvec tmp = FUSE_BUFVEC_INIT(size); if (buf->count == 1 && !(buf->buf[0].flags & FUSE_BUF_IS_FD)) { flatbuf = &buf->buf[0]; } else { res = -ENOMEM; mem = malloc(size); if (mem == NULL) goto out; tmp.buf[0].mem = mem; res = fuse_buf_copy(&tmp, buf, 0); if (res <= 0) goto out_free; tmp.buf[0].size = res; flatbuf = &tmp.buf[0]; } res = fs->op.write(path, flatbuf->mem, flatbuf->size, off, fi); out_free: free(mem); } out: if (fs->debug && res >= 0) fprintf(stderr, " write%s[%llu] %u bytes to %llu\n", fi->writepage ? "page" : "", (unsigned long long) fi->fh, res, (unsigned long long) off); if (res > (int) size) fprintf(stderr, "fuse: wrote too many bytes\n"); return res; } else { return -ENOSYS; } } int fuse_fs_write(struct fuse_fs *fs, const char *path, const char *mem, size_t size, off_t off, struct fuse_file_info *fi) { struct fuse_bufvec bufv = FUSE_BUFVEC_INIT(size); bufv.buf[0].mem = (void *) mem; return fuse_fs_write_buf(fs, path, &bufv, off, fi); } int fuse_fs_fsync(struct fuse_fs *fs, const char *path, int datasync, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.fsync) { if (fs->debug) fprintf(stderr, "fsync[%llu] datasync: %i\n", (unsigned long long) fi->fh, datasync); return fs->op.fsync(path, datasync, fi); } else { return -ENOSYS; } } int fuse_fs_fsyncdir(struct fuse_fs *fs, const char *path, int datasync, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.fsyncdir) { if (fs->debug) fprintf(stderr, "fsyncdir[%llu] datasync: %i\n", (unsigned long long) fi->fh, datasync); return fs->op.fsyncdir(path, datasync, fi); } else { return -ENOSYS; } } int fuse_fs_flush(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.flush) { if (fs->debug) fprintf(stderr, "flush[%llu]\n", (unsigned long long) fi->fh); return fs->op.flush(path, fi); } else { return -ENOSYS; } } int fuse_fs_statfs(struct fuse_fs *fs, const char *path, struct statvfs *buf) { fuse_get_context()->private_data = fs->user_data; if (fs->op.statfs) { if (fs->debug) fprintf(stderr, "statfs %s\n", path); return fuse_compat_statfs(fs, path, buf); } else { buf->f_namemax = 255; buf->f_bsize = 512; return 0; } } int fuse_fs_releasedir(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.releasedir) { if (fs->debug) fprintf(stderr, "releasedir[%llu] flags: 0x%x\n", (unsigned long long) fi->fh, fi->flags); return fs->op.releasedir(path, fi); } else { return 0; } } static int fill_dir_old(struct fuse_dirhandle *dh, const char *name, int type, ino_t ino) { int res; struct stat stbuf; memset(&stbuf, 0, sizeof(stbuf)); stbuf.st_mode = type << 12; stbuf.st_ino = ino; res = dh->filler(dh->buf, name, &stbuf, 0); return res ? -ENOMEM : 0; } int fuse_fs_readdir(struct fuse_fs *fs, const char *path, void *buf, fuse_fill_dir_t filler, off_t off, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.readdir) { if (fs->debug) fprintf(stderr, "readdir[%llu] from %llu\n", (unsigned long long) fi->fh, (unsigned long long) off); return fs->op.readdir(path, buf, filler, off, fi); } else if (fs->op.getdir) { struct fuse_dirhandle dh; if (fs->debug) fprintf(stderr, "getdir[%llu]\n", (unsigned long long) fi->fh); dh.filler = filler; dh.buf = buf; return fs->op.getdir(path, &dh, fill_dir_old); } else { return -ENOSYS; } } int fuse_fs_create(struct fuse_fs *fs, const char *path, mode_t mode, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.create) { int err; if (fs->debug) fprintf(stderr, "create flags: 0x%x %s 0%o umask=0%03o\n", fi->flags, path, mode, fuse_get_context()->umask); err = fs->op.create(path, mode, fi); if (fs->debug && !err) fprintf(stderr, " create[%llu] flags: 0x%x %s\n", (unsigned long long) fi->fh, fi->flags, path); return err; } else { return -ENOSYS; } } int fuse_fs_lock(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, int cmd, struct flock *lock) { fuse_get_context()->private_data = fs->user_data; if (fs->op.lock) { if (fs->debug) fprintf(stderr, "lock[%llu] %s %s start: %llu len: %llu pid: %llu\n", (unsigned long long) fi->fh, (cmd == F_GETLK ? "F_GETLK" : (cmd == F_SETLK ? "F_SETLK" : (cmd == F_SETLKW ? "F_SETLKW" : "???"))), (lock->l_type == F_RDLCK ? "F_RDLCK" : (lock->l_type == F_WRLCK ? "F_WRLCK" : (lock->l_type == F_UNLCK ? "F_UNLCK" : "???"))), (unsigned long long) lock->l_start, (unsigned long long) lock->l_len, (unsigned long long) lock->l_pid); return fs->op.lock(path, fi, cmd, lock); } else { return -ENOSYS; } } int fuse_fs_flock(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, int op) { fuse_get_context()->private_data = fs->user_data; if (fs->op.flock) { if (fs->debug) { int xop = op & ~LOCK_NB; fprintf(stderr, "lock[%llu] %s%s\n", (unsigned long long) fi->fh, xop == LOCK_SH ? "LOCK_SH" : (xop == LOCK_EX ? "LOCK_EX" : (xop == LOCK_UN ? "LOCK_UN" : "???")), (op & LOCK_NB) ? "|LOCK_NB" : ""); } return fs->op.flock(path, fi, op); } else { return -ENOSYS; } } int fuse_fs_chown(struct fuse_fs *fs, const char *path, uid_t uid, gid_t gid) { fuse_get_context()->private_data = fs->user_data; if (fs->op.chown) { if (fs->debug) fprintf(stderr, "chown %s %lu %lu\n", path, (unsigned long) uid, (unsigned long) gid); return fs->op.chown(path, uid, gid); } else { return -ENOSYS; } } int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off_t size) { fuse_get_context()->private_data = fs->user_data; if (fs->op.truncate) { if (fs->debug) fprintf(stderr, "truncate %s %llu\n", path, (unsigned long long) size); return fs->op.truncate(path, size); } else { return -ENOSYS; } } int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, off_t size, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.ftruncate) { if (fs->debug) fprintf(stderr, "ftruncate[%llu] %llu\n", (unsigned long long) fi->fh, (unsigned long long) size); return fs->op.ftruncate(path, size, fi); } else if (path && fs->op.truncate) { if (fs->debug) fprintf(stderr, "truncate %s %llu\n", path, (unsigned long long) size); return fs->op.truncate(path, size); } else { return -ENOSYS; } } int fuse_fs_utimens(struct fuse_fs *fs, const char *path, const struct timespec tv[2]) { fuse_get_context()->private_data = fs->user_data; if (fs->op.utimens) { if (fs->debug) fprintf(stderr, "utimens %s %li.%09lu %li.%09lu\n", path, tv[0].tv_sec, tv[0].tv_nsec, tv[1].tv_sec, tv[1].tv_nsec); return fs->op.utimens(path, tv); } else if(fs->op.utime) { struct utimbuf buf; if (fs->debug) fprintf(stderr, "utime %s %li %li\n", path, tv[0].tv_sec, tv[1].tv_sec); buf.actime = tv[0].tv_sec; buf.modtime = tv[1].tv_sec; return fs->op.utime(path, &buf); } else { return -ENOSYS; } } int fuse_fs_access(struct fuse_fs *fs, const char *path, int mask) { fuse_get_context()->private_data = fs->user_data; if (fs->op.access) { if (fs->debug) fprintf(stderr, "access %s 0%o\n", path, mask); return fs->op.access(path, mask); } else { return -ENOSYS; } } int fuse_fs_readlink(struct fuse_fs *fs, const char *path, char *buf, size_t len) { fuse_get_context()->private_data = fs->user_data; if (fs->op.readlink) { if (fs->debug) fprintf(stderr, "readlink %s %lu\n", path, (unsigned long) len); return fs->op.readlink(path, buf, len); } else { return -ENOSYS; } } int fuse_fs_mknod(struct fuse_fs *fs, const char *path, mode_t mode, dev_t rdev) { fuse_get_context()->private_data = fs->user_data; if (fs->op.mknod) { if (fs->debug) fprintf(stderr, "mknod %s 0%o 0x%llx umask=0%03o\n", path, mode, (unsigned long long) rdev, fuse_get_context()->umask); return fs->op.mknod(path, mode, rdev); } else { return -ENOSYS; } } int fuse_fs_mkdir(struct fuse_fs *fs, const char *path, mode_t mode) { fuse_get_context()->private_data = fs->user_data; if (fs->op.mkdir) { if (fs->debug) fprintf(stderr, "mkdir %s 0%o umask=0%03o\n", path, mode, fuse_get_context()->umask); return fs->op.mkdir(path, mode); } else { return -ENOSYS; } } int fuse_fs_setxattr(struct fuse_fs *fs, const char *path, const char *name, const char *value, size_t size, int flags) { fuse_get_context()->private_data = fs->user_data; if (fs->op.setxattr) { if (fs->debug) fprintf(stderr, "setxattr %s %s %lu 0x%x\n", path, name, (unsigned long) size, flags); return fs->op.setxattr(path, name, value, size, flags); } else { return -ENOSYS; } } int fuse_fs_getxattr(struct fuse_fs *fs, const char *path, const char *name, char *value, size_t size) { fuse_get_context()->private_data = fs->user_data; if (fs->op.getxattr) { if (fs->debug) fprintf(stderr, "getxattr %s %s %lu\n", path, name, (unsigned long) size); return fs->op.getxattr(path, name, value, size); } else { return -ENOSYS; } } int fuse_fs_listxattr(struct fuse_fs *fs, const char *path, char *list, size_t size) { fuse_get_context()->private_data = fs->user_data; if (fs->op.listxattr) { if (fs->debug) fprintf(stderr, "listxattr %s %lu\n", path, (unsigned long) size); return fs->op.listxattr(path, list, size); } else { return -ENOSYS; } } int fuse_fs_bmap(struct fuse_fs *fs, const char *path, size_t blocksize, uint64_t *idx) { fuse_get_context()->private_data = fs->user_data; if (fs->op.bmap) { if (fs->debug) fprintf(stderr, "bmap %s blocksize: %lu index: %llu\n", path, (unsigned long) blocksize, (unsigned long long) *idx); return fs->op.bmap(path, blocksize, idx); } else { return -ENOSYS; } } int fuse_fs_removexattr(struct fuse_fs *fs, const char *path, const char *name) { fuse_get_context()->private_data = fs->user_data; if (fs->op.removexattr) { if (fs->debug) fprintf(stderr, "removexattr %s %s\n", path, name); return fs->op.removexattr(path, name); } else { return -ENOSYS; } } int fuse_fs_ioctl(struct fuse_fs *fs, const char *path, int cmd, void *arg, struct fuse_file_info *fi, unsigned int flags, void *data) { fuse_get_context()->private_data = fs->user_data; if (fs->op.ioctl) { if (fs->debug) fprintf(stderr, "ioctl[%llu] 0x%x flags: 0x%x\n", (unsigned long long) fi->fh, cmd, flags); return fs->op.ioctl(path, cmd, arg, fi, flags, data); } else return -ENOSYS; } int fuse_fs_poll(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, struct fuse_pollhandle *ph, unsigned *reventsp) { fuse_get_context()->private_data = fs->user_data; if (fs->op.poll) { int res; if (fs->debug) fprintf(stderr, "poll[%llu] ph: %p\n", (unsigned long long) fi->fh, ph); res = fs->op.poll(path, fi, ph, reventsp); if (fs->debug && !res) fprintf(stderr, " poll[%llu] revents: 0x%x\n", (unsigned long long) fi->fh, *reventsp); return res; } else return -ENOSYS; } int fuse_fs_fallocate(struct fuse_fs *fs, const char *path, int mode, off_t offset, off_t length, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.fallocate) { if (fs->debug) fprintf(stderr, "fallocate %s mode %x, offset: %llu, length: %llu\n", path, mode, (unsigned long long) offset, (unsigned long long) length); return fs->op.fallocate(path, mode, offset, length, fi); } else return -ENOSYS; } static int is_open(struct fuse *f, fuse_ino_t dir, const char *name) { struct node *node; int isopen = 0; pthread_mutex_lock(&f->lock); node = lookup_node(f, dir, name); if (node && node->open_count > 0) isopen = 1; pthread_mutex_unlock(&f->lock); return isopen; } static char *hidden_name(struct fuse *f, fuse_ino_t dir, const char *oldname, char *newname, size_t bufsize) { struct stat buf; struct node *node; struct node *newnode; char *newpath; int res; int failctr = 10; do { pthread_mutex_lock(&f->lock); node = lookup_node(f, dir, oldname); if (node == NULL) { pthread_mutex_unlock(&f->lock); return NULL; } do { f->hidectr ++; snprintf(newname, bufsize, ".fuse_hidden%08x%08x", (unsigned int) node->nodeid, f->hidectr); newnode = lookup_node(f, dir, newname); } while(newnode); res = try_get_path(f, dir, newname, &newpath, NULL, false); pthread_mutex_unlock(&f->lock); if (res) break; memset(&buf, 0, sizeof(buf)); res = fuse_fs_getattr(f->fs, newpath, &buf); if (res == -ENOENT) break; free(newpath); newpath = NULL; } while(res == 0 && --failctr); return newpath; } static int hide_node(struct fuse *f, const char *oldpath, fuse_ino_t dir, const char *oldname) { char newname[64]; char *newpath; int err = -EBUSY; newpath = hidden_name(f, dir, oldname, newname, sizeof(newname)); if (newpath) { err = fuse_fs_rename(f->fs, oldpath, newpath); if (!err) err = rename_node(f, dir, oldname, dir, newname, 1); free(newpath); } return err; } static int mtime_eq(const struct stat *stbuf, const struct timespec *ts) { return stbuf->st_mtime == ts->tv_sec && ST_MTIM_NSEC(stbuf) == ts->tv_nsec; } #ifndef CLOCK_MONOTONIC #define CLOCK_MONOTONIC CLOCK_REALTIME #endif static void curr_time(struct timespec *now) { static clockid_t clockid = CLOCK_MONOTONIC; int res = clock_gettime(clockid, now); if (res == -1 && errno == EINVAL) { clockid = CLOCK_REALTIME; res = clock_gettime(clockid, now); } if (res == -1) { perror("fuse: clock_gettime"); abort(); } } static void update_stat(struct node *node, const struct stat *stbuf) { if (node->cache_valid && (!mtime_eq(stbuf, &node->mtime) || stbuf->st_size != node->size)) node->cache_valid = 0; node->mtime.tv_sec = stbuf->st_mtime; node->mtime.tv_nsec = ST_MTIM_NSEC(stbuf); node->size = stbuf->st_size; curr_time(&node->stat_updated); } static int lookup_path(struct fuse *f, fuse_ino_t nodeid, const char *name, const char *path, struct fuse_entry_param *e, struct fuse_file_info *fi) { int res; memset(e, 0, sizeof(struct fuse_entry_param)); if (fi) res = fuse_fs_fgetattr(f->fs, path, &e->attr, fi); else res = fuse_fs_getattr(f->fs, path, &e->attr); if (res == 0) { struct node *node; node = find_node(f, nodeid, name); if (node == NULL) res = -ENOMEM; else { e->ino = node->nodeid; e->generation = node->generation; e->entry_timeout = f->conf.entry_timeout; e->attr_timeout = f->conf.attr_timeout; if (f->conf.auto_cache) { pthread_mutex_lock(&f->lock); update_stat(node, &e->attr); pthread_mutex_unlock(&f->lock); } set_stat(f, e->ino, &e->attr); if (f->conf.debug) fprintf(stderr, " NODEID: %lu\n", (unsigned long) e->ino); } } return res; } static struct fuse_context_i *fuse_get_context_internal(void) { struct fuse_context_i *c; c = (struct fuse_context_i *) pthread_getspecific(fuse_context_key); if (c == NULL) { c = (struct fuse_context_i *) calloc(1, sizeof(struct fuse_context_i)); if (c == NULL) { /* This is hard to deal with properly, so just abort. If memory is so low that the context cannot be allocated, there's not much hope for the filesystem anyway */ fprintf(stderr, "fuse: failed to allocate thread specific data\n"); abort(); } pthread_setspecific(fuse_context_key, c); } return c; } static void fuse_freecontext(void *data) { free(data); } static int fuse_create_context_key(void) { int err = 0; pthread_mutex_lock(&fuse_context_lock); if (!fuse_context_ref) { err = pthread_key_create(&fuse_context_key, fuse_freecontext); if (err) { fprintf(stderr, "fuse: failed to create thread specific key: %s\n", strerror(err)); pthread_mutex_unlock(&fuse_context_lock); return -1; } } fuse_context_ref++; pthread_mutex_unlock(&fuse_context_lock); return 0; } static void fuse_delete_context_key(void) { pthread_mutex_lock(&fuse_context_lock); fuse_context_ref--; if (!fuse_context_ref) { free(pthread_getspecific(fuse_context_key)); pthread_key_delete(fuse_context_key); } pthread_mutex_unlock(&fuse_context_lock); } static struct fuse *req_fuse_prepare(fuse_req_t req) { struct fuse_context_i *c = fuse_get_context_internal(); const struct fuse_ctx *ctx = fuse_req_ctx(req); c->req = req; c->ctx.fuse = req_fuse(req); c->ctx.uid = ctx->uid; c->ctx.gid = ctx->gid; c->ctx.pid = ctx->pid; c->ctx.umask = ctx->umask; return c->ctx.fuse; } static inline void reply_err(fuse_req_t req, int err) { /* fuse_reply_err() uses non-negated errno values */ fuse_reply_err(req, -err); } static void reply_entry(fuse_req_t req, const struct fuse_entry_param *e, int err) { if (!err) { struct fuse *f = req_fuse(req); if (fuse_reply_entry(req, e) == -ENOENT) { /* Skip forget for negative result */ if (e->ino != 0) forget_node(f, e->ino, 1); } } else reply_err(req, err); } void fuse_fs_init(struct fuse_fs *fs, struct fuse_conn_info *conn) { fuse_get_context()->private_data = fs->user_data; if (!fs->op.write_buf) conn->want &= ~FUSE_CAP_SPLICE_READ; if (!fs->op.lock) conn->want &= ~FUSE_CAP_POSIX_LOCKS; if (!fs->op.flock) conn->want &= ~FUSE_CAP_FLOCK_LOCKS; if (fs->op.init) fs->user_data = fs->op.init(conn); } static void fuse_lib_init(void *data, struct fuse_conn_info *conn) { struct fuse *f = (struct fuse *) data; struct fuse_context_i *c = fuse_get_context_internal(); memset(c, 0, sizeof(*c)); c->ctx.fuse = f; conn->want |= FUSE_CAP_EXPORT_SUPPORT; fuse_fs_init(f->fs, conn); } void fuse_fs_destroy(struct fuse_fs *fs) { fuse_get_context()->private_data = fs->user_data; if (fs->op.destroy) fs->op.destroy(fs->user_data); if (fs->m) fuse_put_module(fs->m); free(fs); } static void fuse_lib_destroy(void *data) { struct fuse *f = (struct fuse *) data; struct fuse_context_i *c = fuse_get_context_internal(); memset(c, 0, sizeof(*c)); c->ctx.fuse = f; fuse_fs_destroy(f->fs); f->fs = NULL; } static void fuse_lib_lookup(fuse_req_t req, fuse_ino_t parent, const char *name) { struct fuse *f = req_fuse_prepare(req); struct fuse_entry_param e; char *path; int err; struct node *dot = NULL; if (name[0] == '.') { int len = strlen(name); if (len == 1 || (name[1] == '.' && len == 2)) { pthread_mutex_lock(&f->lock); if (len == 1) { if (f->conf.debug) fprintf(stderr, "LOOKUP-DOT\n"); dot = get_node_nocheck(f, parent); if (dot == NULL) { pthread_mutex_unlock(&f->lock); reply_entry(req, &e, -ESTALE); return; } dot->refctr++; } else { if (f->conf.debug) fprintf(stderr, "LOOKUP-DOTDOT\n"); parent = get_node(f, parent)->parent->nodeid; } pthread_mutex_unlock(&f->lock); name = NULL; } } err = get_path_name(f, parent, name, &path); if (!err) { struct fuse_intr_data d; if (f->conf.debug) fprintf(stderr, "LOOKUP %s\n", path); fuse_prepare_interrupt(f, req, &d); err = lookup_path(f, parent, name, path, &e, NULL); if (err == -ENOENT && f->conf.negative_timeout != 0.0) { e.ino = 0; e.entry_timeout = f->conf.negative_timeout; err = 0; } fuse_finish_interrupt(f, req, &d); free_path(f, parent, path); } if (dot) { pthread_mutex_lock(&f->lock); unref_node(f, dot); pthread_mutex_unlock(&f->lock); } reply_entry(req, &e, err); } static void do_forget(struct fuse *f, fuse_ino_t ino, uint64_t nlookup) { if (f->conf.debug) fprintf(stderr, "FORGET %llu/%llu\n", (unsigned long long)ino, (unsigned long long) nlookup); forget_node(f, ino, nlookup); } static void fuse_lib_forget(fuse_req_t req, fuse_ino_t ino, unsigned long nlookup) { do_forget(req_fuse(req), ino, nlookup); fuse_reply_none(req); } static void fuse_lib_forget_multi(fuse_req_t req, size_t count, struct fuse_forget_data *forgets) { struct fuse *f = req_fuse(req); size_t i; for (i = 0; i < count; i++) do_forget(f, forgets[i].ino, forgets[i].nlookup); fuse_reply_none(req); } static void fuse_lib_getattr(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct stat buf; char *path; int err; memset(&buf, 0, sizeof(buf)); if (fi != NULL && f->fs->op.fgetattr) err = get_path_nullok(f, ino, &path); else err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); if (fi) err = fuse_fs_fgetattr(f->fs, path, &buf, fi); else err = fuse_fs_getattr(f->fs, path, &buf); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } if (!err) { struct node *node; pthread_mutex_lock(&f->lock); node = get_node(f, ino); if (node->is_hidden && buf.st_nlink > 0) buf.st_nlink--; if (f->conf.auto_cache) update_stat(node, &buf); pthread_mutex_unlock(&f->lock); set_stat(f, ino, &buf); fuse_reply_attr(req, &buf, f->conf.attr_timeout); } else reply_err(req, err); } int fuse_fs_chmod(struct fuse_fs *fs, const char *path, mode_t mode) { fuse_get_context()->private_data = fs->user_data; if (fs->op.chmod) return fs->op.chmod(path, mode); else return -ENOSYS; } static void fuse_lib_setattr(fuse_req_t req, fuse_ino_t ino, struct stat *attr, int valid, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct stat buf; char *path; int err; memset(&buf, 0, sizeof(buf)); if (valid == FUSE_SET_ATTR_SIZE && fi != NULL && f->fs->op.ftruncate && f->fs->op.fgetattr) err = get_path_nullok(f, ino, &path); else err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = 0; if (!err && (valid & FUSE_SET_ATTR_MODE)) err = fuse_fs_chmod(f->fs, path, attr->st_mode); if (!err && (valid & (FUSE_SET_ATTR_UID | FUSE_SET_ATTR_GID))) { uid_t uid = (valid & FUSE_SET_ATTR_UID) ? attr->st_uid : (uid_t) -1; gid_t gid = (valid & FUSE_SET_ATTR_GID) ? attr->st_gid : (gid_t) -1; err = fuse_fs_chown(f->fs, path, uid, gid); } if (!err && (valid & FUSE_SET_ATTR_SIZE)) { if (fi) err = fuse_fs_ftruncate(f->fs, path, attr->st_size, fi); else err = fuse_fs_truncate(f->fs, path, attr->st_size); } #ifdef HAVE_UTIMENSAT if (!err && f->utime_omit_ok && (valid & (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME))) { struct timespec tv[2]; tv[0].tv_sec = 0; tv[1].tv_sec = 0; tv[0].tv_nsec = UTIME_OMIT; tv[1].tv_nsec = UTIME_OMIT; if (valid & FUSE_SET_ATTR_ATIME_NOW) tv[0].tv_nsec = UTIME_NOW; else if (valid & FUSE_SET_ATTR_ATIME) tv[0] = attr->st_atim; if (valid & FUSE_SET_ATTR_MTIME_NOW) tv[1].tv_nsec = UTIME_NOW; else if (valid & FUSE_SET_ATTR_MTIME) tv[1] = attr->st_mtim; err = fuse_fs_utimens(f->fs, path, tv); } else #endif if (!err && (valid & (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME)) == (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME)) { struct timespec tv[2]; tv[0].tv_sec = attr->st_atime; tv[0].tv_nsec = ST_ATIM_NSEC(attr); tv[1].tv_sec = attr->st_mtime; tv[1].tv_nsec = ST_MTIM_NSEC(attr); err = fuse_fs_utimens(f->fs, path, tv); } if (!err) { if (fi) err = fuse_fs_fgetattr(f->fs, path, &buf, fi); else err = fuse_fs_getattr(f->fs, path, &buf); } fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } if (!err) { if (f->conf.auto_cache) { pthread_mutex_lock(&f->lock); update_stat(get_node(f, ino), &buf); pthread_mutex_unlock(&f->lock); } set_stat(f, ino, &buf); fuse_reply_attr(req, &buf, f->conf.attr_timeout); } else reply_err(req, err); } static void fuse_lib_access(fuse_req_t req, fuse_ino_t ino, int mask) { struct fuse *f = req_fuse_prepare(req); char *path; int err; err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_access(f->fs, path, mask); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } reply_err(req, err); } static void fuse_lib_readlink(fuse_req_t req, fuse_ino_t ino) { struct fuse *f = req_fuse_prepare(req); char linkname[PATH_MAX + 1]; char *path; int err; err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_readlink(f->fs, path, linkname, sizeof(linkname)); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } if (!err) { linkname[PATH_MAX] = '\0'; fuse_reply_readlink(req, linkname); } else reply_err(req, err); } static void fuse_lib_mknod(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, dev_t rdev) { struct fuse *f = req_fuse_prepare(req); struct fuse_entry_param e; char *path; int err; err = get_path_name(f, parent, name, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = -ENOSYS; if (S_ISREG(mode)) { struct fuse_file_info fi; memset(&fi, 0, sizeof(fi)); fi.flags = O_CREAT | O_EXCL | O_WRONLY; err = fuse_fs_create(f->fs, path, mode, &fi); if (!err) { err = lookup_path(f, parent, name, path, &e, &fi); fuse_fs_release(f->fs, path, &fi); } } if (err == -ENOSYS) { err = fuse_fs_mknod(f->fs, path, mode, rdev); if (!err) err = lookup_path(f, parent, name, path, &e, NULL); } fuse_finish_interrupt(f, req, &d); free_path(f, parent, path); } reply_entry(req, &e, err); } static void fuse_lib_mkdir(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode) { struct fuse *f = req_fuse_prepare(req); struct fuse_entry_param e; char *path; int err; err = get_path_name(f, parent, name, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_mkdir(f->fs, path, mode); if (!err) err = lookup_path(f, parent, name, path, &e, NULL); fuse_finish_interrupt(f, req, &d); free_path(f, parent, path); } reply_entry(req, &e, err); } static void fuse_lib_unlink(fuse_req_t req, fuse_ino_t parent, const char *name) { struct fuse *f = req_fuse_prepare(req); struct node *wnode; char *path; int err; err = get_path_wrlock(f, parent, name, &path, &wnode); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); if (!f->conf.hard_remove && is_open(f, parent, name)) { err = hide_node(f, path, parent, name); } else { err = fuse_fs_unlink(f->fs, path); if (!err) remove_node(f, parent, name); } fuse_finish_interrupt(f, req, &d); free_path_wrlock(f, parent, wnode, path); } reply_err(req, err); } static void fuse_lib_rmdir(fuse_req_t req, fuse_ino_t parent, const char *name) { struct fuse *f = req_fuse_prepare(req); struct node *wnode; char *path; int err; err = get_path_wrlock(f, parent, name, &path, &wnode); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_rmdir(f->fs, path); fuse_finish_interrupt(f, req, &d); if (!err) remove_node(f, parent, name); free_path_wrlock(f, parent, wnode, path); } reply_err(req, err); } static void fuse_lib_symlink(fuse_req_t req, const char *linkname, fuse_ino_t parent, const char *name) { struct fuse *f = req_fuse_prepare(req); struct fuse_entry_param e; char *path; int err; err = get_path_name(f, parent, name, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_symlink(f->fs, linkname, path); if (!err) err = lookup_path(f, parent, name, path, &e, NULL); fuse_finish_interrupt(f, req, &d); free_path(f, parent, path); } reply_entry(req, &e, err); } static void fuse_lib_rename(fuse_req_t req, fuse_ino_t olddir, const char *oldname, fuse_ino_t newdir, const char *newname) { struct fuse *f = req_fuse_prepare(req); char *oldpath; char *newpath; struct node *wnode1; struct node *wnode2; int err; err = get_path2(f, olddir, oldname, newdir, newname, &oldpath, &newpath, &wnode1, &wnode2); if (!err) { struct fuse_intr_data d; err = 0; fuse_prepare_interrupt(f, req, &d); if (!f->conf.hard_remove && is_open(f, newdir, newname)) err = hide_node(f, newpath, newdir, newname); if (!err) { err = fuse_fs_rename(f->fs, oldpath, newpath); if (!err) err = rename_node(f, olddir, oldname, newdir, newname, 0); } fuse_finish_interrupt(f, req, &d); free_path2(f, olddir, newdir, wnode1, wnode2, oldpath, newpath); } reply_err(req, err); } static void fuse_lib_link(fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, const char *newname) { struct fuse *f = req_fuse_prepare(req); struct fuse_entry_param e; char *oldpath; char *newpath; int err; err = get_path2(f, ino, NULL, newparent, newname, &oldpath, &newpath, NULL, NULL); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_link(f->fs, oldpath, newpath); if (!err) err = lookup_path(f, newparent, newname, newpath, &e, NULL); fuse_finish_interrupt(f, req, &d); free_path2(f, ino, newparent, NULL, NULL, oldpath, newpath); } reply_entry(req, &e, err); } static void fuse_do_release(struct fuse *f, fuse_ino_t ino, const char *path, struct fuse_file_info *fi) { struct node *node; int unlink_hidden = 0; const char *compatpath; if (path != NULL || f->nullpath_ok || f->conf.nopath) compatpath = path; else compatpath = "-"; fuse_fs_release(f->fs, compatpath, fi); pthread_mutex_lock(&f->lock); node = get_node(f, ino); assert(node->open_count > 0); --node->open_count; if (node->is_hidden && !node->open_count) { unlink_hidden = 1; node->is_hidden = 0; } pthread_mutex_unlock(&f->lock); if(unlink_hidden) { if (path) { fuse_fs_unlink(f->fs, path); } else if (f->conf.nopath) { char *unlinkpath; if (get_path(f, ino, &unlinkpath) == 0) fuse_fs_unlink(f->fs, unlinkpath); free_path(f, ino, unlinkpath); } } } static void fuse_lib_create(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; struct fuse_entry_param e; char *path; int err; err = get_path_name(f, parent, name, &path); if (!err) { fuse_prepare_interrupt(f, req, &d); err = fuse_fs_create(f->fs, path, mode, fi); if (!err) { err = lookup_path(f, parent, name, path, &e, fi); if (err) fuse_fs_release(f->fs, path, fi); else if (!S_ISREG(e.attr.st_mode)) { err = -EIO; fuse_fs_release(f->fs, path, fi); forget_node(f, e.ino, 1); } else { if (f->conf.direct_io) fi->direct_io = 1; if (f->conf.kernel_cache) fi->keep_cache = 1; } } fuse_finish_interrupt(f, req, &d); } if (!err) { pthread_mutex_lock(&f->lock); get_node(f, e.ino)->open_count++; pthread_mutex_unlock(&f->lock); if (fuse_reply_create(req, &e, fi) == -ENOENT) { /* The open syscall was interrupted, so it must be cancelled */ fuse_do_release(f, e.ino, path, fi); forget_node(f, e.ino, 1); } } else { reply_err(req, err); } free_path(f, parent, path); } static double diff_timespec(const struct timespec *t1, const struct timespec *t2) { return (t1->tv_sec - t2->tv_sec) + ((double) t1->tv_nsec - (double) t2->tv_nsec) / 1000000000.0; } static void open_auto_cache(struct fuse *f, fuse_ino_t ino, const char *path, struct fuse_file_info *fi) { struct node *node; pthread_mutex_lock(&f->lock); node = get_node(f, ino); if (node->cache_valid) { struct timespec now; curr_time(&now); if (diff_timespec(&now, &node->stat_updated) > f->conf.ac_attr_timeout) { struct stat stbuf; int err; pthread_mutex_unlock(&f->lock); err = fuse_fs_fgetattr(f->fs, path, &stbuf, fi); pthread_mutex_lock(&f->lock); if (!err) update_stat(node, &stbuf); else node->cache_valid = 0; } } if (node->cache_valid) fi->keep_cache = 1; node->cache_valid = 1; pthread_mutex_unlock(&f->lock); } static void fuse_lib_open(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; char *path; int err; err = get_path(f, ino, &path); if (!err) { fuse_prepare_interrupt(f, req, &d); err = fuse_fs_open(f->fs, path, fi); if (!err) { if (f->conf.direct_io) fi->direct_io = 1; if (f->conf.kernel_cache) fi->keep_cache = 1; if (f->conf.auto_cache) open_auto_cache(f, ino, path, fi); } fuse_finish_interrupt(f, req, &d); } if (!err) { pthread_mutex_lock(&f->lock); get_node(f, ino)->open_count++; pthread_mutex_unlock(&f->lock); if (fuse_reply_open(req, fi) == -ENOENT) { /* The open syscall was interrupted, so it must be cancelled */ fuse_do_release(f, ino, path, fi); } } else reply_err(req, err); free_path(f, ino, path); } static void fuse_lib_read(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct fuse_bufvec *buf = NULL; char *path; int res; res = get_path_nullok(f, ino, &path); if (res == 0) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); res = fuse_fs_read_buf(f->fs, path, &buf, size, off, fi); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } if (res == 0) fuse_reply_data(req, buf, FUSE_BUF_SPLICE_MOVE); else reply_err(req, res); fuse_free_buf(buf); } static void fuse_lib_write_buf(fuse_req_t req, fuse_ino_t ino, struct fuse_bufvec *buf, off_t off, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); char *path; int res; res = get_path_nullok(f, ino, &path); if (res == 0) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); res = fuse_fs_write_buf(f->fs, path, buf, off, fi); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } if (res >= 0) fuse_reply_write(req, res); else reply_err(req, res); } static void fuse_lib_fsync(fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); char *path; int err; err = get_path_nullok(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_fsync(f->fs, path, datasync, fi); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } reply_err(req, err); } static struct fuse_dh *get_dirhandle(const struct fuse_file_info *llfi, struct fuse_file_info *fi) { struct fuse_dh *dh = (struct fuse_dh *) (uintptr_t) llfi->fh; memset(fi, 0, sizeof(struct fuse_file_info)); fi->fh = dh->fh; fi->fh_old = dh->fh; return dh; } static void fuse_lib_opendir(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *llfi) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; struct fuse_dh *dh; struct fuse_file_info fi; char *path; int err; dh = (struct fuse_dh *) malloc(sizeof(struct fuse_dh)); if (dh == NULL) { reply_err(req, -ENOMEM); return; } memset(dh, 0, sizeof(struct fuse_dh)); dh->fuse = f; dh->contents = NULL; dh->len = 0; dh->filled = 0; dh->nodeid = ino; fuse_mutex_init(&dh->lock); llfi->fh = (uintptr_t) dh; memset(&fi, 0, sizeof(fi)); fi.flags = llfi->flags; err = get_path(f, ino, &path); if (!err) { fuse_prepare_interrupt(f, req, &d); err = fuse_fs_opendir(f->fs, path, &fi); fuse_finish_interrupt(f, req, &d); dh->fh = fi.fh; } if (!err) { if (fuse_reply_open(req, llfi) == -ENOENT) { /* The opendir syscall was interrupted, so it must be cancelled */ fuse_fs_releasedir(f->fs, path, &fi); pthread_mutex_destroy(&dh->lock); free(dh); } } else { reply_err(req, err); pthread_mutex_destroy(&dh->lock); free(dh); } free_path(f, ino, path); } static int extend_contents(struct fuse_dh *dh, unsigned minsize) { if (minsize > dh->size) { char *newptr; unsigned newsize = dh->size; if (!newsize) newsize = 1024; while (newsize < minsize) { if (newsize >= 0x80000000) newsize = 0xffffffff; else newsize *= 2; } newptr = (char *) realloc(dh->contents, newsize); if (!newptr) { dh->error = -ENOMEM; return -1; } dh->contents = newptr; dh->size = newsize; } return 0; } static int fill_dir(void *dh_, const char *name, const struct stat *statp, off_t off) { struct fuse_dh *dh = (struct fuse_dh *) dh_; struct stat stbuf; size_t newlen; if (statp) stbuf = *statp; else { memset(&stbuf, 0, sizeof(stbuf)); stbuf.st_ino = FUSE_UNKNOWN_INO; } if (!dh->fuse->conf.use_ino) { stbuf.st_ino = FUSE_UNKNOWN_INO; if (dh->fuse->conf.readdir_ino) { struct node *node; pthread_mutex_lock(&dh->fuse->lock); node = lookup_node(dh->fuse, dh->nodeid, name); if (node) stbuf.st_ino = (ino_t) node->nodeid; pthread_mutex_unlock(&dh->fuse->lock); } } if (off) { if (extend_contents(dh, dh->needlen) == -1) return 1; dh->filled = 0; newlen = dh->len + fuse_add_direntry(dh->req, dh->contents + dh->len, dh->needlen - dh->len, name, &stbuf, off); if (newlen > dh->needlen) return 1; } else { newlen = dh->len + fuse_add_direntry(dh->req, NULL, 0, name, NULL, 0); if (extend_contents(dh, newlen) == -1) return 1; fuse_add_direntry(dh->req, dh->contents + dh->len, dh->size - dh->len, name, &stbuf, newlen); } dh->len = newlen; return 0; } static int readdir_fill(struct fuse *f, fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_dh *dh, struct fuse_file_info *fi) { char *path; int err; if (f->fs->op.readdir) err = get_path_nullok(f, ino, &path); else err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; dh->len = 0; dh->error = 0; dh->needlen = size; dh->filled = 1; dh->req = req; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_readdir(f->fs, path, dh, fill_dir, off, fi); fuse_finish_interrupt(f, req, &d); dh->req = NULL; if (!err) err = dh->error; if (err) dh->filled = 0; free_path(f, ino, path); } return err; } static void fuse_lib_readdir(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *llfi) { struct fuse *f = req_fuse_prepare(req); struct fuse_file_info fi; struct fuse_dh *dh = get_dirhandle(llfi, &fi); pthread_mutex_lock(&dh->lock); /* According to SUS, directory contents need to be refreshed on rewinddir() */ if (!off) dh->filled = 0; if (!dh->filled) { int err = readdir_fill(f, req, ino, size, off, dh, &fi); if (err) { reply_err(req, err); goto out; } } if (dh->filled) { if (off < dh->len) { if (off + size > dh->len) size = dh->len - off; } else size = 0; } else { size = dh->len; off = 0; } fuse_reply_buf(req, dh->contents + off, size); out: pthread_mutex_unlock(&dh->lock); } static void fuse_lib_releasedir(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *llfi) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; struct fuse_file_info fi; struct fuse_dh *dh = get_dirhandle(llfi, &fi); char *path; const char *compatpath; get_path_nullok(f, ino, &path); if (path != NULL || f->nullpath_ok || f->conf.nopath) compatpath = path; else compatpath = "-"; fuse_prepare_interrupt(f, req, &d); fuse_fs_releasedir(f->fs, compatpath, &fi); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); pthread_mutex_lock(&dh->lock); pthread_mutex_unlock(&dh->lock); pthread_mutex_destroy(&dh->lock); free(dh->contents); free(dh); reply_err(req, 0); } static void fuse_lib_fsyncdir(fuse_req_t req, fuse_ino_t ino, int datasync, struct fuse_file_info *llfi) { struct fuse *f = req_fuse_prepare(req); struct fuse_file_info fi; char *path; int err; get_dirhandle(llfi, &fi); err = get_path_nullok(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_fsyncdir(f->fs, path, datasync, &fi); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } reply_err(req, err); } static void fuse_lib_statfs(fuse_req_t req, fuse_ino_t ino) { struct fuse *f = req_fuse_prepare(req); struct statvfs buf; char *path = NULL; int err = 0; memset(&buf, 0, sizeof(buf)); if (ino) err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_statfs(f->fs, path ? path : "/", &buf); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } if (!err) fuse_reply_statfs(req, &buf); else reply_err(req, err); } static void fuse_lib_setxattr(fuse_req_t req, fuse_ino_t ino, const char *name, const char *value, size_t size, int flags) { struct fuse *f = req_fuse_prepare(req); char *path; int err; err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_setxattr(f->fs, path, name, value, size, flags); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } reply_err(req, err); } static int common_getxattr(struct fuse *f, fuse_req_t req, fuse_ino_t ino, const char *name, char *value, size_t size) { int err; char *path; err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_getxattr(f->fs, path, name, value, size); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } return err; } static void fuse_lib_getxattr(fuse_req_t req, fuse_ino_t ino, const char *name, size_t size) { struct fuse *f = req_fuse_prepare(req); int res; if (size) { char *value = (char *) malloc(size); if (value == NULL) { reply_err(req, -ENOMEM); return; } res = common_getxattr(f, req, ino, name, value, size); if (res > 0) fuse_reply_buf(req, value, res); else reply_err(req, res); free(value); } else { res = common_getxattr(f, req, ino, name, NULL, 0); if (res >= 0) fuse_reply_xattr(req, res); else reply_err(req, res); } } static int common_listxattr(struct fuse *f, fuse_req_t req, fuse_ino_t ino, char *list, size_t size) { char *path; int err; err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_listxattr(f->fs, path, list, size); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } return err; } static void fuse_lib_listxattr(fuse_req_t req, fuse_ino_t ino, size_t size) { struct fuse *f = req_fuse_prepare(req); int res; if (size) { char *list = (char *) malloc(size); if (list == NULL) { reply_err(req, -ENOMEM); return; } res = common_listxattr(f, req, ino, list, size); if (res > 0) fuse_reply_buf(req, list, res); else reply_err(req, res); free(list); } else { res = common_listxattr(f, req, ino, NULL, 0); if (res >= 0) fuse_reply_xattr(req, res); else reply_err(req, res); } } static void fuse_lib_removexattr(fuse_req_t req, fuse_ino_t ino, const char *name) { struct fuse *f = req_fuse_prepare(req); char *path; int err; err = get_path(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_removexattr(f->fs, path, name); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } reply_err(req, err); } static struct lock *locks_conflict(struct node *node, const struct lock *lock) { struct lock *l; for (l = node->locks; l; l = l->next) if (l->owner != lock->owner && lock->start <= l->end && l->start <= lock->end && (l->type == F_WRLCK || lock->type == F_WRLCK)) break; return l; } static void delete_lock(struct lock **lockp) { struct lock *l = *lockp; *lockp = l->next; free(l); } static void insert_lock(struct lock **pos, struct lock *lock) { lock->next = *pos; *pos = lock; } static int locks_insert(struct node *node, struct lock *lock) { struct lock **lp; struct lock *newl1 = NULL; struct lock *newl2 = NULL; if (lock->type != F_UNLCK || lock->start != 0 || lock->end != OFFSET_MAX) { newl1 = malloc(sizeof(struct lock)); newl2 = malloc(sizeof(struct lock)); if (!newl1 || !newl2) { free(newl1); free(newl2); return -ENOLCK; } } for (lp = &node->locks; *lp;) { struct lock *l = *lp; if (l->owner != lock->owner) goto skip; if (lock->type == l->type) { if (l->end < lock->start - 1) goto skip; if (lock->end < l->start - 1) break; if (l->start <= lock->start && lock->end <= l->end) goto out; if (l->start < lock->start) lock->start = l->start; if (lock->end < l->end) lock->end = l->end; goto delete; } else { if (l->end < lock->start) goto skip; if (lock->end < l->start) break; if (lock->start <= l->start && l->end <= lock->end) goto delete; if (l->end <= lock->end) { l->end = lock->start - 1; goto skip; } if (lock->start <= l->start) { l->start = lock->end + 1; break; } *newl2 = *l; newl2->start = lock->end + 1; l->end = lock->start - 1; insert_lock(&l->next, newl2); newl2 = NULL; } skip: lp = &l->next; continue; delete: delete_lock(lp); } if (lock->type != F_UNLCK) { *newl1 = *lock; insert_lock(lp, newl1); newl1 = NULL; } out: free(newl1); free(newl2); return 0; } static void flock_to_lock(struct flock *flock, struct lock *lock) { memset(lock, 0, sizeof(struct lock)); lock->type = flock->l_type; lock->start = flock->l_start; lock->end = flock->l_len ? flock->l_start + flock->l_len - 1 : OFFSET_MAX; lock->pid = flock->l_pid; } static void lock_to_flock(struct lock *lock, struct flock *flock) { flock->l_type = lock->type; flock->l_start = lock->start; flock->l_len = (lock->end == OFFSET_MAX) ? 0 : lock->end - lock->start + 1; flock->l_pid = lock->pid; } static int fuse_flush_common(struct fuse *f, fuse_req_t req, fuse_ino_t ino, const char *path, struct fuse_file_info *fi) { struct fuse_intr_data d; struct flock lock; struct lock l; int err; int errlock; fuse_prepare_interrupt(f, req, &d); memset(&lock, 0, sizeof(lock)); lock.l_type = F_UNLCK; lock.l_whence = SEEK_SET; err = fuse_fs_flush(f->fs, path, fi); errlock = fuse_fs_lock(f->fs, path, fi, F_SETLK, &lock); fuse_finish_interrupt(f, req, &d); if (errlock != -ENOSYS) { flock_to_lock(&lock, &l); l.owner = fi->lock_owner; pthread_mutex_lock(&f->lock); locks_insert(get_node(f, ino), &l); pthread_mutex_unlock(&f->lock); /* if op.lock() is defined FLUSH is needed regardless of op.flush() */ if (err == -ENOSYS) err = 0; } return err; } static void fuse_lib_release(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; char *path; int err = 0; get_path_nullok(f, ino, &path); if (fi->flush) { err = fuse_flush_common(f, req, ino, path, fi); if (err == -ENOSYS) err = 0; } fuse_prepare_interrupt(f, req, &d); fuse_do_release(f, ino, path, fi); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); reply_err(req, err); } static void fuse_lib_flush(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); char *path; int err; get_path_nullok(f, ino, &path); err = fuse_flush_common(f, req, ino, path, fi); free_path(f, ino, path); reply_err(req, err); } static int fuse_lock_common(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock, int cmd) { struct fuse *f = req_fuse_prepare(req); char *path; int err; err = get_path_nullok(f, ino, &path); if (!err) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_lock(f->fs, path, fi, cmd, lock); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } return err; } static void fuse_lib_getlk(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock) { int err; struct lock l; struct lock *conflict; struct fuse *f = req_fuse(req); flock_to_lock(lock, &l); l.owner = fi->lock_owner; pthread_mutex_lock(&f->lock); conflict = locks_conflict(get_node(f, ino), &l); if (conflict) lock_to_flock(conflict, lock); pthread_mutex_unlock(&f->lock); if (!conflict) err = fuse_lock_common(req, ino, fi, lock, F_GETLK); else err = 0; if (!err) fuse_reply_lock(req, lock); else reply_err(req, err); } static void fuse_lib_setlk(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct flock *lock, int sleep) { int err = fuse_lock_common(req, ino, fi, lock, sleep ? F_SETLKW : F_SETLK); if (!err) { struct fuse *f = req_fuse(req); struct lock l; flock_to_lock(lock, &l); l.owner = fi->lock_owner; pthread_mutex_lock(&f->lock); locks_insert(get_node(f, ino), &l); pthread_mutex_unlock(&f->lock); } reply_err(req, err); } static void fuse_lib_flock(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, int op) { struct fuse *f = req_fuse_prepare(req); char *path; int err; err = get_path_nullok(f, ino, &path); if (err == 0) { struct fuse_intr_data d; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_flock(f->fs, path, fi, op); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } reply_err(req, err); } static void fuse_lib_bmap(fuse_req_t req, fuse_ino_t ino, size_t blocksize, uint64_t idx) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; char *path; int err; err = get_path(f, ino, &path); if (!err) { fuse_prepare_interrupt(f, req, &d); err = fuse_fs_bmap(f->fs, path, blocksize, &idx); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } if (!err) fuse_reply_bmap(req, idx); else reply_err(req, err); } static void fuse_lib_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg, struct fuse_file_info *llfi, unsigned int flags, const void *in_buf, size_t in_bufsz, size_t out_bufsz) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; struct fuse_file_info fi; char *path, *out_buf = NULL; int err; err = -EPERM; if (flags & FUSE_IOCTL_UNRESTRICTED) goto err; if (flags & FUSE_IOCTL_DIR) get_dirhandle(llfi, &fi); else fi = *llfi; if (out_bufsz) { err = -ENOMEM; out_buf = malloc(out_bufsz); if (!out_buf) goto err; } assert(!in_bufsz || !out_bufsz || in_bufsz == out_bufsz); if (out_buf) memcpy(out_buf, in_buf, in_bufsz); err = get_path_nullok(f, ino, &path); if (err) goto err; fuse_prepare_interrupt(f, req, &d); err = fuse_fs_ioctl(f->fs, path, cmd, arg, &fi, flags, out_buf ?: (void *)in_buf); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); fuse_reply_ioctl(req, err, out_buf, out_bufsz); goto out; err: reply_err(req, err); out: free(out_buf); } static void fuse_lib_poll(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, struct fuse_pollhandle *ph) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; char *path; int err; unsigned revents = 0; err = get_path_nullok(f, ino, &path); if (!err) { fuse_prepare_interrupt(f, req, &d); err = fuse_fs_poll(f->fs, path, fi, ph, &revents); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } if (!err) fuse_reply_poll(req, revents); else reply_err(req, err); } static void fuse_lib_fallocate(fuse_req_t req, fuse_ino_t ino, int mode, off_t offset, off_t length, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; char *path; int err; err = get_path_nullok(f, ino, &path); if (!err) { fuse_prepare_interrupt(f, req, &d); err = fuse_fs_fallocate(f->fs, path, mode, offset, length, fi); fuse_finish_interrupt(f, req, &d); free_path(f, ino, path); } reply_err(req, err); } static int clean_delay(struct fuse *f) { /* * This is calculating the delay between clean runs. To * reduce the number of cleans we are doing them 10 times * within the remember window. */ int min_sleep = 60; int max_sleep = 3600; int sleep_time = f->conf.remember / 10; if (sleep_time > max_sleep) return max_sleep; if (sleep_time < min_sleep) return min_sleep; return sleep_time; } int fuse_clean_cache(struct fuse *f) { struct node_lru *lnode; struct list_head *curr, *next; struct node *node; struct timespec now; pthread_mutex_lock(&f->lock); curr_time(&now); for (curr = f->lru_table.next; curr != &f->lru_table; curr = next) { double age; next = curr->next; lnode = list_entry(curr, struct node_lru, lru); node = &lnode->node; age = diff_timespec(&now, &lnode->forget_time); if (age <= f->conf.remember) break; assert(node->nlookup == 1); /* Don't forget active directories */ if (node->refctr > 1) continue; node->nlookup = 0; unhash_name(f, node); unref_node(f, node); } pthread_mutex_unlock(&f->lock); return clean_delay(f); } static struct fuse_lowlevel_ops fuse_path_ops = { .init = fuse_lib_init, .destroy = fuse_lib_destroy, .lookup = fuse_lib_lookup, .forget = fuse_lib_forget, .forget_multi = fuse_lib_forget_multi, .getattr = fuse_lib_getattr, .setattr = fuse_lib_setattr, .access = fuse_lib_access, .readlink = fuse_lib_readlink, .mknod = fuse_lib_mknod, .mkdir = fuse_lib_mkdir, .unlink = fuse_lib_unlink, .rmdir = fuse_lib_rmdir, .symlink = fuse_lib_symlink, .rename = fuse_lib_rename, .link = fuse_lib_link, .create = fuse_lib_create, .open = fuse_lib_open, .read = fuse_lib_read, .write_buf = fuse_lib_write_buf, .flush = fuse_lib_flush, .release = fuse_lib_release, .fsync = fuse_lib_fsync, .opendir = fuse_lib_opendir, .readdir = fuse_lib_readdir, .releasedir = fuse_lib_releasedir, .fsyncdir = fuse_lib_fsyncdir, .statfs = fuse_lib_statfs, .setxattr = fuse_lib_setxattr, .getxattr = fuse_lib_getxattr, .listxattr = fuse_lib_listxattr, .removexattr = fuse_lib_removexattr, .getlk = fuse_lib_getlk, .setlk = fuse_lib_setlk, .flock = fuse_lib_flock, .bmap = fuse_lib_bmap, .ioctl = fuse_lib_ioctl, .poll = fuse_lib_poll, .fallocate = fuse_lib_fallocate, }; int fuse_notify_poll(struct fuse_pollhandle *ph) { return fuse_lowlevel_notify_poll(ph); } static void free_cmd(struct fuse_cmd *cmd) { free(cmd->buf); free(cmd); } void fuse_process_cmd(struct fuse *f, struct fuse_cmd *cmd) { fuse_session_process(f->se, cmd->buf, cmd->buflen, cmd->ch); free_cmd(cmd); } int fuse_exited(struct fuse *f) { return fuse_session_exited(f->se); } struct fuse_session *fuse_get_session(struct fuse *f) { return f->se; } static struct fuse_cmd *fuse_alloc_cmd(size_t bufsize) { struct fuse_cmd *cmd = (struct fuse_cmd *) malloc(sizeof(*cmd)); if (cmd == NULL) { fprintf(stderr, "fuse: failed to allocate cmd\n"); return NULL; } cmd->buf = (char *) malloc(bufsize); if (cmd->buf == NULL) { fprintf(stderr, "fuse: failed to allocate read buffer\n"); free(cmd); return NULL; } return cmd; } struct fuse_cmd *fuse_read_cmd(struct fuse *f) { struct fuse_chan *ch = fuse_session_next_chan(f->se, NULL); size_t bufsize = fuse_chan_bufsize(ch); struct fuse_cmd *cmd = fuse_alloc_cmd(bufsize); if (cmd != NULL) { int res = fuse_chan_recv(&ch, cmd->buf, bufsize); if (res <= 0) { free_cmd(cmd); if (res < 0 && res != -EINTR && res != -EAGAIN) fuse_exit(f); return NULL; } cmd->buflen = res; cmd->ch = ch; } return cmd; } static int fuse_session_loop_remember(struct fuse *f) { struct fuse_session *se = f->se; int res = 0; struct timespec now; time_t next_clean; struct fuse_chan *ch = fuse_session_next_chan(se, NULL); size_t bufsize = fuse_chan_bufsize(ch); char *buf = (char *) malloc(bufsize); struct pollfd fds = { .fd = fuse_chan_fd(ch), .events = POLLIN }; if (!buf) { fprintf(stderr, "fuse: failed to allocate read buffer\n"); return -1; } curr_time(&now); next_clean = now.tv_sec; while (!fuse_session_exited(se)) { struct fuse_chan *tmpch = ch; struct fuse_buf fbuf = { .mem = buf, .size = bufsize, }; unsigned timeout; curr_time(&now); if (now.tv_sec < next_clean) timeout = next_clean - now.tv_sec; else timeout = 0; res = poll(&fds, 1, timeout * 1000); if (res == -1) { if (errno == -EINTR) continue; else break; } else if (res > 0) { res = fuse_session_receive_buf(se, &fbuf, &tmpch); if (res == -EINTR) continue; if (res <= 0) break; fuse_session_process_buf(se, &fbuf, tmpch); } else { timeout = fuse_clean_cache(f); curr_time(&now); next_clean = now.tv_sec + timeout; } } free(buf); fuse_session_reset(se); return res < 0 ? -1 : 0; } int fuse_loop(struct fuse *f) { if (!f) return -1; if (lru_enabled(f)) return fuse_session_loop_remember(f); return fuse_session_loop(f->se); } int fuse_invalidate(struct fuse *f, const char *path) { (void) f; (void) path; return -EINVAL; } void fuse_exit(struct fuse *f) { fuse_session_exit(f->se); } struct fuse_context *fuse_get_context(void) { return &fuse_get_context_internal()->ctx; } /* * The size of fuse_context got extended, so need to be careful about * incompatibility (i.e. a new binary cannot work with an old * library). */ struct fuse_context *fuse_get_context_compat22(void); struct fuse_context *fuse_get_context_compat22(void) { return &fuse_get_context_internal()->ctx; } FUSE_SYMVER(".symver fuse_get_context_compat22,fuse_get_context@FUSE_2.2"); int fuse_getgroups(int size, gid_t list[]) { fuse_req_t req = fuse_get_context_internal()->req; return fuse_req_getgroups(req, size, list); } int fuse_interrupted(void) { return fuse_req_interrupted(fuse_get_context_internal()->req); } void fuse_set_getcontext_func(struct fuse_context *(*func)(void)) { (void) func; /* no-op */ } enum { KEY_HELP, }; #define FUSE_LIB_OPT(t, p, v) { t, offsetof(struct fuse_config, p), v } static const struct fuse_opt fuse_lib_opts[] = { FUSE_OPT_KEY("-h", KEY_HELP), FUSE_OPT_KEY("--help", KEY_HELP), FUSE_OPT_KEY("debug", FUSE_OPT_KEY_KEEP), FUSE_OPT_KEY("-d", FUSE_OPT_KEY_KEEP), FUSE_LIB_OPT("debug", debug, 1), FUSE_LIB_OPT("-d", debug, 1), FUSE_LIB_OPT("hard_remove", hard_remove, 1), FUSE_LIB_OPT("use_ino", use_ino, 1), FUSE_LIB_OPT("readdir_ino", readdir_ino, 1), FUSE_LIB_OPT("direct_io", direct_io, 1), FUSE_LIB_OPT("kernel_cache", kernel_cache, 1), FUSE_LIB_OPT("auto_cache", auto_cache, 1), FUSE_LIB_OPT("noauto_cache", auto_cache, 0), FUSE_LIB_OPT("umask=", set_mode, 1), FUSE_LIB_OPT("umask=%o", umask, 0), FUSE_LIB_OPT("uid=", set_uid, 1), FUSE_LIB_OPT("uid=%d", uid, 0), FUSE_LIB_OPT("gid=", set_gid, 1), FUSE_LIB_OPT("gid=%d", gid, 0), FUSE_LIB_OPT("entry_timeout=%lf", entry_timeout, 0), FUSE_LIB_OPT("attr_timeout=%lf", attr_timeout, 0), FUSE_LIB_OPT("ac_attr_timeout=%lf", ac_attr_timeout, 0), FUSE_LIB_OPT("ac_attr_timeout=", ac_attr_timeout_set, 1), FUSE_LIB_OPT("negative_timeout=%lf", negative_timeout, 0), FUSE_LIB_OPT("noforget", remember, -1), FUSE_LIB_OPT("remember=%u", remember, 0), FUSE_LIB_OPT("nopath", nopath, 1), FUSE_LIB_OPT("intr", intr, 1), FUSE_LIB_OPT("intr_signal=%d", intr_signal, 0), FUSE_LIB_OPT("modules=%s", modules, 0), FUSE_OPT_END }; static void fuse_lib_help(void) { fprintf(stderr, " -o hard_remove immediate removal (don't hide files)\n" " -o use_ino let filesystem set inode numbers\n" " -o readdir_ino try to fill in d_ino in readdir\n" " -o direct_io use direct I/O\n" " -o kernel_cache cache files in kernel\n" " -o [no]auto_cache enable caching based on modification times (off)\n" " -o umask=M set file permissions (octal)\n" " -o uid=N set file owner\n" " -o gid=N set file group\n" " -o entry_timeout=T cache timeout for names (1.0s)\n" " -o negative_timeout=T cache timeout for deleted names (0.0s)\n" " -o attr_timeout=T cache timeout for attributes (1.0s)\n" " -o ac_attr_timeout=T auto cache timeout for attributes (attr_timeout)\n" " -o noforget never forget cached inodes\n" " -o remember=T remember cached inodes for T seconds (0s)\n" " -o nopath don't supply path if not necessary\n" " -o intr allow requests to be interrupted\n" " -o intr_signal=NUM signal to send on interrupt (%i)\n" " -o modules=M1[:M2...] names of modules to push onto filesystem stack\n" "\n", FUSE_DEFAULT_INTR_SIGNAL); } static void fuse_lib_help_modules(void) { struct fuse_module *m; fprintf(stderr, "\nModule options:\n"); pthread_mutex_lock(&fuse_context_lock); for (m = fuse_modules; m; m = m->next) { struct fuse_fs *fs = NULL; struct fuse_fs *newfs; struct fuse_args args = FUSE_ARGS_INIT(0, NULL); if (fuse_opt_add_arg(&args, "") != -1 && fuse_opt_add_arg(&args, "-h") != -1) { fprintf(stderr, "\n[%s]\n", m->name); newfs = m->factory(&args, &fs); assert(newfs == NULL); } fuse_opt_free_args(&args); } pthread_mutex_unlock(&fuse_context_lock); } static int fuse_lib_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) { (void) arg; (void) outargs; if (key == KEY_HELP) { struct fuse_config *conf = (struct fuse_config *) data; fuse_lib_help(); conf->help = 1; } return 1; } int fuse_is_lib_option(const char *opt) { return fuse_lowlevel_is_lib_option(opt) || fuse_opt_match(fuse_lib_opts, opt); } static int fuse_init_intr_signal(int signum, int *installed) { struct sigaction old_sa; if (sigaction(signum, NULL, &old_sa) == -1) { perror("fuse: cannot get old signal handler"); return -1; } if (old_sa.sa_handler == SIG_DFL) { struct sigaction sa; memset(&sa, 0, sizeof(struct sigaction)); sa.sa_handler = fuse_intr_sighandler; sigemptyset(&sa.sa_mask); if (sigaction(signum, &sa, NULL) == -1) { perror("fuse: cannot set interrupt signal handler"); return -1; } *installed = 1; } return 0; } static void fuse_restore_intr_signal(int signum) { struct sigaction sa; memset(&sa, 0, sizeof(struct sigaction)); sa.sa_handler = SIG_DFL; sigaction(signum, &sa, NULL); } static int fuse_push_module(struct fuse *f, const char *module, struct fuse_args *args) { struct fuse_fs *fs[2] = { f->fs, NULL }; struct fuse_fs *newfs; struct fuse_module *m = fuse_get_module(module); if (!m) return -1; newfs = m->factory(args, fs); if (!newfs) { fuse_put_module(m); return -1; } newfs->m = m; f->fs = newfs; f->nullpath_ok = newfs->op.flag_nullpath_ok && f->nullpath_ok; f->conf.nopath = newfs->op.flag_nopath && f->conf.nopath; f->utime_omit_ok = newfs->op.flag_utime_omit_ok && f->utime_omit_ok; return 0; } struct fuse_fs *fuse_fs_new(const struct fuse_operations *op, size_t op_size, void *user_data) { struct fuse_fs *fs; if (sizeof(struct fuse_operations) < op_size) { fprintf(stderr, "fuse: warning: library too old, some operations may not not work\n"); op_size = sizeof(struct fuse_operations); } fs = (struct fuse_fs *) calloc(1, sizeof(struct fuse_fs)); if (!fs) { fprintf(stderr, "fuse: failed to allocate fuse_fs object\n"); return NULL; } fs->user_data = user_data; if (op) memcpy(&fs->op, op, op_size); return fs; } static int node_table_init(struct node_table *t) { t->size = NODE_TABLE_MIN_SIZE; t->array = (struct node **) calloc(1, sizeof(struct node *) * t->size); if (t->array == NULL) { fprintf(stderr, "fuse: memory allocation failed\n"); return -1; } t->use = 0; t->split = 0; return 0; } static void *fuse_prune_nodes(void *fuse) { struct fuse *f = fuse; int sleep_time; while(1) { sleep_time = fuse_clean_cache(f); sleep(sleep_time); } return NULL; } int fuse_start_cleanup_thread(struct fuse *f) { if (lru_enabled(f)) return fuse_start_thread(&f->prune_thread, fuse_prune_nodes, f); return 0; } void fuse_stop_cleanup_thread(struct fuse *f) { if (lru_enabled(f)) { pthread_mutex_lock(&f->lock); pthread_cancel(f->prune_thread); pthread_mutex_unlock(&f->lock); pthread_join(f->prune_thread, NULL); } } struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args, const struct fuse_operations *op, size_t op_size, void *user_data, int compat) { struct fuse *f; struct node *root; struct fuse_fs *fs; struct fuse_lowlevel_ops llop = fuse_path_ops; if (fuse_create_context_key() == -1) goto out; f = (struct fuse *) calloc(1, sizeof(struct fuse)); if (f == NULL) { fprintf(stderr, "fuse: failed to allocate fuse object\n"); goto out_delete_context_key; } fs = fuse_fs_new(op, op_size, user_data); if (!fs) goto out_free; fs->compat = compat; f->fs = fs; f->nullpath_ok = fs->op.flag_nullpath_ok; f->conf.nopath = fs->op.flag_nopath; f->utime_omit_ok = fs->op.flag_utime_omit_ok; /* Oh f**k, this is ugly! */ if (!fs->op.lock) { llop.getlk = NULL; llop.setlk = NULL; } f->conf.entry_timeout = 1.0; f->conf.attr_timeout = 1.0; f->conf.negative_timeout = 0.0; f->conf.intr_signal = FUSE_DEFAULT_INTR_SIGNAL; f->pagesize = getpagesize(); init_list_head(&f->partial_slabs); init_list_head(&f->full_slabs); init_list_head(&f->lru_table); if (fuse_opt_parse(args, &f->conf, fuse_lib_opts, fuse_lib_opt_proc) == -1) goto out_free_fs; if (f->conf.modules) { char *module; char *next; for (module = f->conf.modules; module; module = next) { char *p; for (p = module; *p && *p != ':'; p++); next = *p ? p + 1 : NULL; *p = '\0'; if (module[0] && fuse_push_module(f, module, args) == -1) goto out_free_fs; } } if (!f->conf.ac_attr_timeout_set) f->conf.ac_attr_timeout = f->conf.attr_timeout; #if defined(__FreeBSD__) || defined(__NetBSD__) /* * In FreeBSD, we always use these settings as inode numbers * are needed to make getcwd(3) work. */ f->conf.readdir_ino = 1; #endif if (compat && compat <= 25) { if (fuse_sync_compat_args(args) == -1) goto out_free_fs; } f->se = fuse_lowlevel_new_common(args, &llop, sizeof(llop), f); if (f->se == NULL) { if (f->conf.help) fuse_lib_help_modules(); goto out_free_fs; } fuse_session_add_chan(f->se, ch); if (f->conf.debug) { fprintf(stderr, "nullpath_ok: %i\n", f->nullpath_ok); fprintf(stderr, "nopath: %i\n", f->conf.nopath); fprintf(stderr, "utime_omit_ok: %i\n", f->utime_omit_ok); } /* Trace topmost layer by default */ f->fs->debug = f->conf.debug; f->ctr = 0; f->generation = 0; if (node_table_init(&f->name_table) == -1) goto out_free_session; if (node_table_init(&f->id_table) == -1) goto out_free_name_table; fuse_mutex_init(&f->lock); root = alloc_node(f); if (root == NULL) { fprintf(stderr, "fuse: memory allocation failed\n"); goto out_free_id_table; } if (lru_enabled(f)) { struct node_lru *lnode = node_lru(root); init_list_head(&lnode->lru); } strcpy(root->inline_name, "/"); root->name = root->inline_name; if (f->conf.intr && fuse_init_intr_signal(f->conf.intr_signal, &f->intr_installed) == -1) goto out_free_root; root->parent = NULL; root->nodeid = FUSE_ROOT_ID; inc_nlookup(root); hash_id(f, root); return f; out_free_root: free(root); out_free_id_table: free(f->id_table.array); out_free_name_table: free(f->name_table.array); out_free_session: fuse_session_destroy(f->se); out_free_fs: /* Horrible compatibility hack to stop the destructor from being called on the filesystem without init being called first */ fs->op.destroy = NULL; fuse_fs_destroy(f->fs); free(f->conf.modules); out_free: free(f); out_delete_context_key: fuse_delete_context_key(); out: return NULL; } struct fuse *fuse_new(struct fuse_chan *ch, struct fuse_args *args, const struct fuse_operations *op, size_t op_size, void *user_data) { return fuse_new_common(ch, args, op, op_size, user_data, 0); } void fuse_destroy(struct fuse *f) { size_t i; if (f->conf.intr && f->intr_installed) fuse_restore_intr_signal(f->conf.intr_signal); if (f->fs) { struct fuse_context_i *c = fuse_get_context_internal(); memset(c, 0, sizeof(*c)); c->ctx.fuse = f; for (i = 0; i < f->id_table.size; i++) { struct node *node; for (node = f->id_table.array[i]; node != NULL; node = node->id_next) { if (node->is_hidden) { char *path; if (try_get_path(f, node->nodeid, NULL, &path, NULL, false) == 0) { fuse_fs_unlink(f->fs, path); free(path); } } } } } for (i = 0; i < f->id_table.size; i++) { struct node *node; struct node *next; for (node = f->id_table.array[i]; node != NULL; node = next) { next = node->id_next; free_node(f, node); f->id_table.use--; } } assert(list_empty(&f->partial_slabs)); assert(list_empty(&f->full_slabs)); free(f->id_table.array); free(f->name_table.array); pthread_mutex_destroy(&f->lock); fuse_session_destroy(f->se); free(f->conf.modules); free(f); fuse_delete_context_key(); } static struct fuse *fuse_new_common_compat25(int fd, struct fuse_args *args, const struct fuse_operations *op, size_t op_size, int compat) { struct fuse *f = NULL; struct fuse_chan *ch = fuse_kern_chan_new(fd); if (ch) f = fuse_new_common(ch, args, op, op_size, NULL, compat); return f; } /* called with fuse_context_lock held or during initialization (before main() has been called) */ void fuse_register_module(struct fuse_module *mod) { mod->ctr = 0; mod->so = fuse_current_so; if (mod->so) mod->so->ctr++; mod->next = fuse_modules; fuse_modules = mod; } #if !defined(__FreeBSD__) && !defined(__NetBSD__) static struct fuse *fuse_new_common_compat(int fd, const char *opts, const struct fuse_operations *op, size_t op_size, int compat) { struct fuse *f; struct fuse_args args = FUSE_ARGS_INIT(0, NULL); if (fuse_opt_add_arg(&args, "") == -1) return NULL; if (opts && (fuse_opt_add_arg(&args, "-o") == -1 || fuse_opt_add_arg(&args, opts) == -1)) { fuse_opt_free_args(&args); return NULL; } f = fuse_new_common_compat25(fd, &args, op, op_size, compat); fuse_opt_free_args(&args); return f; } struct fuse *fuse_new_compat22(int fd, const char *opts, const struct fuse_operations_compat22 *op, size_t op_size) { return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, op_size, 22); } struct fuse *fuse_new_compat2(int fd, const char *opts, const struct fuse_operations_compat2 *op) { return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, sizeof(struct fuse_operations_compat2), 21); } struct fuse *fuse_new_compat1(int fd, int flags, const struct fuse_operations_compat1 *op) { const char *opts = NULL; if (flags & FUSE_DEBUG_COMPAT1) opts = "debug"; return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, sizeof(struct fuse_operations_compat1), 11); } FUSE_SYMVER(".symver fuse_exited,__fuse_exited@"); FUSE_SYMVER(".symver fuse_process_cmd,__fuse_process_cmd@"); FUSE_SYMVER(".symver fuse_read_cmd,__fuse_read_cmd@"); FUSE_SYMVER(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@"); FUSE_SYMVER(".symver fuse_new_compat2,fuse_new@"); FUSE_SYMVER(".symver fuse_new_compat22,fuse_new@FUSE_2.2"); #endif /* __FreeBSD__ || __NetBSD__ */ struct fuse *fuse_new_compat25(int fd, struct fuse_args *args, const struct fuse_operations_compat25 *op, size_t op_size) { return fuse_new_common_compat25(fd, args, (struct fuse_operations *) op, op_size, 25); } FUSE_SYMVER(".symver fuse_new_compat25,fuse_new@FUSE_2.5"); fuse-2.9.7/README.NFS0000644000175000017500000000254612645752413010741 00000000000000NFS exporting is supported in Linux kernels 2.6.27 or later. You need to add an fsid=NNN option to /etc/exports to make exporting a FUSE directory work. Filesystem support ------------------ NFS exporting works to some extent on all fuse filesystems, but not perfectly. This is due to the stateless nature of the protocol, the server has no way of knowing whether the client is keeping a reference to a file or not, and hence that file may be removed from the server's cache. In that case there has to be a way to look up that object using the inode number, otherwise an ESTALE error will be returned. 1) low-level interface Filesystems need to implement special lookups for the names "." and "..". The former may be requested on any inode, including non-directories, while the latter is only requested for directories. Otherwise these special lookups should behave identically to ordinary lookups. 2) high-level interface Because the high-level interface is path based, it is not possible to delegate looking up by inode to the filesystem. To work around this, currently a "noforget" option is provided, which makes the library remember nodes forever. This will make the NFS server happy, but also results in an ever growing memory footprint for the filesystem. For this reason if the filesystem is large (or the memory is small), then this option is not recommended.