devio-1.2/0002777000175000017500000000000010362574702007477 500000000000000devio-1.2/AUTHORS0000644000175000017500000000004110251073005010437 00000000000000jbowler at users.sourceforge.net devio-1.2/COPYING0000644000175000017500000000206110251073005010426 00000000000000Copyright (C) 2005 John Bowler Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. devio-1.2/ChangeLog0000644000175000017500000000017610325742622011164 00000000000000initial Initial version 1.0 First file release, added -p option 1.1 Added xp command and i,o operators devio-1.2/INSTALL0000644000175000017500000002240610251426472010443 00000000000000Installation Instructions ************************* Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005 Free Software Foundation, Inc. This file is free documentation; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. Basic Installation ================== These are generic installation instructions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. (Caching is disabled by default to prevent problems with accidental use of stale cache files.) 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While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. 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PACKAGE='devio' VERSION='1.2' cat >>confdefs.h <<_ACEOF #define PACKAGE "$PACKAGE" _ACEOF cat >>confdefs.h <<_ACEOF #define VERSION "$VERSION" _ACEOF # Some tools Automake needs. ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} install_sh=${install_sh-"$am_aux_dir/install-sh"} # Installed binaries are usually stripped using `strip' when the user # run `make install-strip'. However `strip' might not be the right # tool to use in cross-compilation environments, therefore Automake # will honor the `STRIP' environment variable to overrule this program. if test "$cross_compiling" != no; then if test -n "$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=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_STRIP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then echo "$as_me:$LINENO: result: $STRIP" >&5 echo "${ECHO_T}$STRIP" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}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=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done test -z "$ac_cv_prog_ac_ct_STRIP" && ac_cv_prog_ac_ct_STRIP=":" fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5 echo "${ECHO_T}$ac_ct_STRIP" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi STRIP=$ac_ct_STRIP else STRIP="$ac_cv_prog_STRIP" fi fi INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" # We need awk for the "check" target. The system "awk" is bad on # some platforms. # Always define AMTAR for backward compatibility. AMTAR=${AMTAR-"${am_missing_run}tar"} am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -' ac_config_headers="$ac_config_headers config.h" # Checks for programs. 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 if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. set dummy ${ac_tool_prefix}gcc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}gcc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="gcc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi CC=$ac_ct_CC else CC="$ac_cv_prog_CC" fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. set dummy ${ac_tool_prefix}cc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi CC=$ac_ct_CC else CC="$ac_cv_prog_CC" fi fi if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else ac_prog_rejected=no as_save_IFS=$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done if test $ac_prog_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $ac_cv_prog_CC shift if test $# != 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" fi fi fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then for ac_prog in cl 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=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="$ac_tool_prefix$ac_prog" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi test -n "$CC" && break done fi if test -z "$CC"; then ac_ct_CC=$CC for ac_prog in cl do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$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 $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="$ac_prog" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi test -n "$ac_ct_CC" && break done CC=$ac_ct_CC fi fi test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH See \`config.log' for more details." >&5 echo "$as_me: error: no acceptable C compiler found in \$PATH See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } # Provide some information about the compiler. echo "$as_me:$LINENO:" \ "checking for C compiler version" >&5 ac_compiler=`set X $ac_compile; echo $2` { (eval echo "$as_me:$LINENO: \"$ac_compiler --version &5\"") >&5 (eval $ac_compiler --version &5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } { (eval echo "$as_me:$LINENO: \"$ac_compiler -v &5\"") >&5 (eval $ac_compiler -v &5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } { (eval echo "$as_me:$LINENO: \"$ac_compiler -V &5\"") >&5 (eval $ac_compiler -V &5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ int main () { ; return 0; } _ACEOF ac_clean_files_save=$ac_clean_files ac_clean_files="$ac_clean_files a.out a.exe b.out" # Try to create an executable without -o first, disregard a.out. # It will help us diagnose broken compilers, and finding out an intuition # of exeext. echo "$as_me:$LINENO: checking for C compiler default output file name" >&5 echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6 ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5 (eval $ac_link_default) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; then # Find the output, starting from the most likely. This scheme is # not robust to junk in `.', hence go to wildcards (a.*) only as a last # resort. # Be careful to initialize this variable, since it used to be cached. # Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile. ac_cv_exeext= # b.out is created by i960 compilers. for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out do test -f "$ac_file" || continue case $ac_file in *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;; conftest.$ac_ext ) # This is the source file. ;; [ab].out ) # We found the default executable, but exeext='' is most # certainly right. break;; *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` # FIXME: I believe we export ac_cv_exeext for Libtool, # but it would be cool to find out if it's true. Does anybody # maintain Libtool? --akim. export ac_cv_exeext break;; * ) break;; esac done else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 { { echo "$as_me:$LINENO: error: C compiler cannot create executables See \`config.log' for more details." >&5 echo "$as_me: error: C compiler cannot create executables See \`config.log' for more details." >&2;} { (exit 77); exit 77; }; } fi ac_exeext=$ac_cv_exeext echo "$as_me:$LINENO: result: $ac_file" >&5 echo "${ECHO_T}$ac_file" >&6 # Check the compiler produces executables we can run. 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Now check whether non-existent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then # Broken: success on invalid input. continue else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then break fi done ac_cv_prog_CPP=$CPP fi CPP=$ac_cv_prog_CPP else ac_cv_prog_CPP=$CPP fi echo "$as_me:$LINENO: result: $CPP" >&5 echo "${ECHO_T}$CPP" >&6 ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # Prefer to if __STDC__ is defined, since # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #ifdef __STDC__ # include #else # include #endif Syntax error _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Broken: fails on valid input. continue fi rm -f conftest.err conftest.$ac_ext # OK, works on sane cases. Now check whether non-existent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then # Broken: success on invalid input. continue else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then : else { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&5 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi 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 echo "$as_me:$LINENO: checking for egrep" >&5 echo $ECHO_N "checking for egrep... $ECHO_C" >&6 if test "${ac_cv_prog_egrep+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if echo a | (grep -E '(a|b)') >/dev/null 2>&1 then ac_cv_prog_egrep='grep -E' else ac_cv_prog_egrep='egrep' fi fi echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5 echo "${ECHO_T}$ac_cv_prog_egrep" >&6 EGREP=$ac_cv_prog_egrep echo "$as_me:$LINENO: checking for ANSI C header files" >&5 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 if test "${ac_cv_header_stdc+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include #include int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_header_stdc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_header_stdc=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "memchr" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "free" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. if test "$cross_compiling" = yes; then : else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #if ((' ' & 0x0FF) == 0x020) # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) #else # define ISLOWER(c) \ (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } _ACEOF rm -f conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then : else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_header_stdc=no fi rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi fi echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 echo "${ECHO_T}$ac_cv_header_stdc" >&6 if test $ac_cv_header_stdc = yes; then cat >>confdefs.h <<\_ACEOF #define STDC_HEADERS 1 _ACEOF fi # On IRIX 5.3, sys/types and inttypes.h are conflicting. for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ inttypes.h stdint.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then eval "$as_ac_Header=yes" else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 eval "$as_ac_Header=no" fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done for ac_header in fcntl.h limits.h stdlib.h string.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if eval "test \"\${$as_ac_Header+set}\" = set"; then echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 else # Is the header compilable? echo "$as_me:$LINENO: checking $ac_header usability" >&5 echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6 # Is the header present? echo "$as_me:$LINENO: checking $ac_header presence" >&5 echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <$ac_header> _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6 # So? What about this header? case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in yes:no: ) { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} ac_header_preproc=yes ;; no:yes:* ) { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} ( cat <<\_ASBOX ## ----------------------------------------------------- ## ## Report this to http://sourceforge.net/projects/devio/ ## ## ----------------------------------------------------- ## _ASBOX ) | sed "s/^/$as_me: WARNING: /" >&2 ;; esac echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else eval "$as_ac_Header=\$ac_header_preproc" fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 fi if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done # Checks for typedefs, structures, and compiler characteristics. echo "$as_me:$LINENO: checking whether stat file-mode macros are broken" >&5 echo $ECHO_N "checking whether stat file-mode macros are broken... $ECHO_C" >&6 if test "${ac_cv_header_stat_broken+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #if defined(S_ISBLK) && defined(S_IFDIR) # if S_ISBLK (S_IFDIR) You lose. # endif #endif #if defined(S_ISBLK) && defined(S_IFCHR) # if S_ISBLK (S_IFCHR) You lose. # endif #endif #if defined(S_ISLNK) && defined(S_IFREG) # if S_ISLNK (S_IFREG) You lose. # endif #endif #if defined(S_ISSOCK) && defined(S_IFREG) # if S_ISSOCK (S_IFREG) You lose. # endif #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "You lose" >/dev/null 2>&1; then ac_cv_header_stat_broken=yes else ac_cv_header_stat_broken=no fi rm -f conftest* fi echo "$as_me:$LINENO: result: $ac_cv_header_stat_broken" >&5 echo "${ECHO_T}$ac_cv_header_stat_broken" >&6 if test $ac_cv_header_stat_broken = yes; then cat >>confdefs.h <<\_ACEOF #define STAT_MACROS_BROKEN 1 _ACEOF fi echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5 echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6 if test "${ac_cv_c_const+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ int main () { /* FIXME: Include the comments suggested by Paul. */ #ifndef __cplusplus /* Ultrix mips cc rejects this. */ typedef int charset[2]; const charset x; /* SunOS 4.1.1 cc rejects this. */ char const *const *ccp; char **p; /* NEC SVR4.0.2 mips cc rejects this. */ struct point {int x, y;}; static struct point const zero = {0,0}; /* AIX XL C 1.02.0.0 rejects this. It does not let you subtract one const X* pointer from another in an arm of an if-expression whose if-part is not a constant expression */ const char *g = "string"; ccp = &g + (g ? g-g : 0); /* HPUX 7.0 cc rejects these. */ ++ccp; p = (char**) ccp; ccp = (char const *const *) p; { /* SCO 3.2v4 cc rejects this. */ char *t; char const *s = 0 ? (char *) 0 : (char const *) 0; *t++ = 0; } { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ int x[] = {25, 17}; const int *foo = &x[0]; ++foo; } { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ typedef const int *iptr; iptr p = 0; ++p; } { /* AIX XL C 1.02.0.0 rejects this saying "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ struct s { int j; const int *ap[3]; }; struct s *b; b->j = 5; } { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ const int foo = 10; } #endif ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_c_const=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_c_const=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5 echo "${ECHO_T}$ac_cv_c_const" >&6 if test $ac_cv_c_const = no; then cat >>confdefs.h <<\_ACEOF #define const _ACEOF fi echo "$as_me:$LINENO: checking for off_t" >&5 echo $ECHO_N "checking for off_t... $ECHO_C" >&6 if test "${ac_cv_type_off_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { if ((off_t *) 0) return 0; if (sizeof (off_t)) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_type_off_t=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_type_off_t=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: $ac_cv_type_off_t" >&5 echo "${ECHO_T}$ac_cv_type_off_t" >&6 if test $ac_cv_type_off_t = yes; then : else cat >>confdefs.h <<_ACEOF #define off_t long _ACEOF fi echo "$as_me:$LINENO: checking for size_t" >&5 echo $ECHO_N "checking for size_t... $ECHO_C" >&6 if test "${ac_cv_type_size_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { if ((size_t *) 0) return 0; if (sizeof (size_t)) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_type_size_t=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_type_size_t=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5 echo "${ECHO_T}$ac_cv_type_size_t" >&6 if test $ac_cv_type_size_t = yes; then : else cat >>confdefs.h <<_ACEOF #define size_t unsigned _ACEOF fi echo "$as_me:$LINENO: checking for struct stat.st_blksize" >&5 echo $ECHO_N "checking for struct stat.st_blksize... $ECHO_C" >&6 if test "${ac_cv_member_struct_stat_st_blksize+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static struct stat ac_aggr; if (ac_aggr.st_blksize) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_member_struct_stat_st_blksize=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static struct stat ac_aggr; if (sizeof ac_aggr.st_blksize) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_member_struct_stat_st_blksize=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_member_struct_stat_st_blksize=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: $ac_cv_member_struct_stat_st_blksize" >&5 echo "${ECHO_T}$ac_cv_member_struct_stat_st_blksize" >&6 if test $ac_cv_member_struct_stat_st_blksize = yes; then cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_BLKSIZE 1 _ACEOF fi echo "$as_me:$LINENO: checking for struct stat.st_blocks" >&5 echo $ECHO_N "checking for struct stat.st_blocks... $ECHO_C" >&6 if test "${ac_cv_member_struct_stat_st_blocks+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static struct stat ac_aggr; if (ac_aggr.st_blocks) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_member_struct_stat_st_blocks=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static struct stat ac_aggr; if (sizeof ac_aggr.st_blocks) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_member_struct_stat_st_blocks=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_member_struct_stat_st_blocks=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: $ac_cv_member_struct_stat_st_blocks" >&5 echo "${ECHO_T}$ac_cv_member_struct_stat_st_blocks" >&6 if test $ac_cv_member_struct_stat_st_blocks = yes; then cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_BLOCKS 1 _ACEOF cat >>confdefs.h <<\_ACEOF #define HAVE_ST_BLOCKS 1 _ACEOF else case $LIBOBJS in "fileblocks.$ac_objext" | \ *" fileblocks.$ac_objext" | \ "fileblocks.$ac_objext "* | \ *" fileblocks.$ac_objext "* ) ;; *) LIBOBJS="$LIBOBJS fileblocks.$ac_objext" ;; esac fi echo "$as_me:$LINENO: checking for struct stat.st_rdev" >&5 echo $ECHO_N "checking for struct stat.st_rdev... $ECHO_C" >&6 if test "${ac_cv_member_struct_stat_st_rdev+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static struct stat ac_aggr; if (ac_aggr.st_rdev) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_member_struct_stat_st_rdev=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static struct stat ac_aggr; if (sizeof ac_aggr.st_rdev) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_member_struct_stat_st_rdev=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_member_struct_stat_st_rdev=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: $ac_cv_member_struct_stat_st_rdev" >&5 echo "${ECHO_T}$ac_cv_member_struct_stat_st_rdev" >&6 if test $ac_cv_member_struct_stat_st_rdev = yes; then cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_RDEV 1 _ACEOF fi # Checks for library functions. for ac_header in stdlib.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if eval "test \"\${$as_ac_Header+set}\" = set"; then echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 else # Is the header compilable? echo "$as_me:$LINENO: checking $ac_header usability" >&5 echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6 # Is the header present? 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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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # 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 outputing dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac if test -z "$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" # 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 case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ## The second -e expression handles DOS-style file names with drive letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the `deleted header file' problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. tr ' ' ' ' < "$tmpdepfile" | ## 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. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/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 $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). 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Also, the AIX compiler puts `$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` tmpdepfile="$stripped.u" if test "$libtool" = yes; then "$@" -Wc,-M else "$@" -M fi stat=$? if test -f "$tmpdepfile"; then : else stripped=`echo "$stripped" | sed 's,^.*/,,'` tmpdepfile="$stripped.u" fi if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi if test -f "$tmpdepfile"; then outname="$stripped.o" # Each line is of the form `foo.o: dependent.h'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" else # The sourcefile does not contain any dependencies, so just # store a dummy comment line, to avoid errors with the Makefile # "include basename.Plo" scheme. echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" ;; icc) # Intel's C compiler understands `-MD -MF file'. However on # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c # ICC 7.0 will fill foo.d with something like # foo.o: sub/foo.c # foo.o: sub/foo.h # which is wrong. We want: # sub/foo.o: sub/foo.c # sub/foo.o: sub/foo.h # sub/foo.c: # sub/foo.h: # ICC 7.1 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using \ : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$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" ;; 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. dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` test "x$dir" = "x$object" && dir= base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then # With Tru64 cc, shared objects can also be used to make a # static library. This mecanism is used in libtool 1.4 series to # handle both shared and static libraries in a single compilation. # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. # # With libtool 1.5 this exception was removed, and libtool now # generates 2 separate objects for the 2 libraries. These two # compilations output dependencies in 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. 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IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. 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Allows access to specific regions * of the device and allows output of numbers from specific locations. * * Copyright (C) 2005 John Bowler * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation files * (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, * merge, publish, distribute, sublicense, and/or sell copies of the * Software, and to permit persons to whom the Software is furnished * to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #ifndef S_ISSOCK #define S_ISSOCK(fd) 0 #endif /* Define to 0 to remove the detailed help. */ #ifndef HELP #define HELP 1 #endif #ifndef STR_MAX #define STR_MAX 4096 #endif /* common error-and-die functions - reduces code size slightly. */ static int error_level = 1; /* Increased by write operations. */ static int progress = 0; /* used to indicate need for extra \n in output. */ /* NDEBUG will only save about 600 bytes! */ /* The noreturn attribute helps reduce size by 300 bytes, and removes * warning messages */ #if NDEBUG static void do_die(const unsigned char *why) __attribute__((noreturn)); static void do_die(const unsigned char *why) { if (progress) fputc('\n', stderr); fprintf(stderr, "devio: %s\n", why); exit(error_level); } #define die(a,b) do_die(a) #else static void do_die(const unsigned char *why, const unsigned char *infile) __attribute__((noreturn)); static void do_die(const unsigned char *why, const unsigned char *infile) { if (progress) fputc('\n', stderr); fprintf(stderr, "devio: %s: %s\n", infile, why); exit(error_level); } #define die(a,b) do_die((a),(b)) #endif #if NDEBUG static void do_pdie(const unsigned char *why) __attribute__((noreturn)); static void do_pdie(const unsigned char *why) { if (progress) fputc('\n', stderr); fprintf(stderr, "devio: %s: %s\n", why, strerror(errno)); exit(error_level); } #define pdie(a,b) do_pdie(a) #else static void do_pdie(const unsigned char *why, const unsigned char *infile) __attribute__((noreturn)); static void do_pdie(const unsigned char *why, const unsigned char *infile) { if (progress) fputc('\n', stderr); fprintf(stderr, "devio: %s: %s: %s\n", infile, why, strerror(errno)); exit(error_level); } #define pdie(a,b) do_pdie((a),(b)) #endif /* This is a non-standard assert but it saves quite a lot of * space (1kbyte) over the OS version. */ #if NDEBUG #define assert(condition) do;while(0) #elif 0 /* Expensive string asserts (lots of space in strings). */ static void do_assert(const unsigned char *why) __attribute__((noreturn)); static void do_assert(const unsigned char *why) { fprintf(stderr, "devio: internal error: %s\n", why); exit(error_level); } #define assert(condition) do if (!(condition)) do_assert(#condition); while (0) #else static void do_assert(int line) __attribute__((noreturn)); static void do_assert(int line) { fprintf(stderr, "devio: internal error: %d\n", line); exit(error_level); } #define assert(condition) do if (!(condition)) do_assert(__LINE__); while (0) #endif /* This is a non-ANSI extension. */ unsigned char *my_strdup(const unsigned char *from) { size_t cb = strlen(from)+1; unsigned char *to = malloc(cb); if (to == 0) die("out of memory", from); memcpy(to, from, cb); return to; } /*********************************************************************** * mtd_file * * Basic device safe IO. * Set mtd_seek to set the desired read or write point. * Use mtd_getb and mtd_putb to read/write a single byte. * Use mtd_readbytes and mtd_writebytes to move multiple bytes. *********************************************************************/ /* File structure, used for read and write operations. stdio() should do * everything this does pretty much except that this allows for no-write * buffering and it is 'weird' in that it won't overwrite beyond the end * of the data. */ typedef struct mtd_file { unsigned char* pname; int fwrite; int fverify; /* do not write, just verify */ int fprogress;/* output a progress indicator */ int fwritten; /* something to do! */ int fchanged; /* something was done! */ int fd; struct stat stat; size_t cbbuf; /* The user pointer is at 'useroffset', the buffer contains data from * 'bufferoffset' to 'deviceoffset' (exclusive - the buffer may be empty), so * the file descriptor is pointing to 'deviceoffset', which may be just beyond * the end of the file. */ off_t useroffset; /* Current user position */ off_t bufferoffset; /* Base of current buffer */ off_t deviceoffset; /* End of current buffer */ off_t endoffset; /* Length of char or block device. */ unsigned char* pbuf; unsigned char* pwritebuf; } mtd_file; /* Initialise an mtd structure. */ static void init_mtd(mtd_file *pfile) { pfile->pname = 0; pfile->fwrite = 0; pfile->fverify = 0; pfile->fwritten = 0; pfile->fchanged = 0; pfile->fd = (-1); memset(&pfile->stat, 0, sizeof pfile->stat); pfile->cbbuf = 0; pfile->useroffset = 0; pfile->bufferoffset = 0; pfile->deviceoffset = 0; pfile->endoffset = (off_t)-1; pfile->pbuf = 0; pfile->pwritebuf = 0; } /* Return the size, in bytes. */ static size_t size_mtd(mtd_file *pfile) { if (S_ISCHR(pfile->stat.st_mode) || S_ISBLK(pfile->stat.st_mode)) { if (pfile->endoffset == (off_t)-1) { off_t len; assert(pfile->stat.st_size == 0); assert(pfile->stat.st_blocks == 0); assert(pfile->stat.st_blksize > 0); /* So seek to the end then come back here. */ len = lseek(pfile->fd, -pfile->stat.st_blksize, SEEK_END); if (len == (off_t)-1) pdie("lseek(length)", pfile->pname); if (lseek(pfile->fd, pfile->deviceoffset, SEEK_SET) != pfile->deviceoffset) pdie("lseek(length reset)", pfile->pname); len += pfile->stat.st_blksize; pfile->endoffset = len; } return pfile->endoffset; } else if (S_ISDIR(pfile->stat.st_mode) || S_ISFIFO(pfile->stat.st_mode) || S_ISSOCK(pfile->stat.st_mode)) die("cannot find size of this device", pfile->pname); else return pfile->stat.st_size; } /* Open the named file for read or write, the structure is initialised * appropriately. The name is copied. */ static void new_mtd(mtd_file *pfile, const char *pname, int fwrite, int fverify, int fprogress, int fd) { pfile->pname = my_strdup(pname); pfile->fwrite = fwrite; pfile->fverify = fverify; pfile->fprogress = fprogress; pfile->fwritten = 0; pfile->fchanged = 0; pfile->fd = fd; if (fstat(fd, &pfile->stat) != 0) pdie("fstat", pname); /* This can be made to work with fifos on read because it is possible * to seek by reading so long as we only seek forward, but it really * isn't worth spending time on this. */ if (S_ISDIR(pfile->stat.st_mode) || S_ISFIFO(pfile->stat.st_mode) || S_ISSOCK(pfile->stat.st_mode)) die("invalid device", pname); /* Allow writing to a file for testing - i.e. S_ISREG is fine above. */ pfile->cbbuf = pfile->stat.st_blksize; if (pfile->cbbuf == 0) pfile->cbbuf = 4096; pfile->useroffset = 0; pfile->bufferoffset = 0; pfile->deviceoffset = 0; pfile->pbuf = 0; pfile->pwritebuf = 0; } static void open_mtd(mtd_file *pfile, const char *pname, int fwrite, int fverify, int fprogress) { int fd = open(pname, (fwrite && !fverify) ? O_RDWR : O_RDONLY); if (fd < 0) pdie("open", pname); else if (fd < 3) die("no standard streams", "-"); new_mtd(pfile, pname, fwrite, fverify, fprogress, fd); } /* Do the actual write. Any pending write buffers are checked and output * to the device. Happens on close and can be called before. Does not * do an fsync. The fwritten flag indicates that write_mtd needs to be * called, the fchanged flag indicates that something has been written and * an fdatasync needs to happen before the close. */ static void write_mtd(mtd_file *pfile) { if (pfile->fwritten) { size_t count = pfile->deviceoffset - pfile->bufferoffset; unsigned char *pbuf = pfile->pwritebuf; assert(pfile->pbuf != 0); assert(pbuf != 0); assert(pfile->deviceoffset > pfile->bufferoffset); assert(pfile->deviceoffset <= pfile->bufferoffset + pfile->cbbuf); /* If it changed write it. */ if (memcmp(pfile->pbuf, pbuf, count) != 0) { /* If verifying the verify just failed... */ if (pfile->fverify) die("verification failed", pfile->pname); /* So write the whole of this buffer back. Do not do a sync here * because that would force a complete write of the flash erase * block - not good. */ if (lseek(pfile->fd, pfile->bufferoffset, SEEK_SET) != pfile->bufferoffset) pdie("lseek(write)", pfile->pname); /* write, well, you have to keep doing it until it works, you * also have to RTFM several times to get this write, so if * this looks wrong please fix it. No, not that, that was * deliberate. */ do { ssize_t cb = write(pfile->fd, pbuf, count); assert(cb != 0); assert(cb <= count); if (cb < 0) switch (errno) { case EINTR: /* shall we try that again then? */ /* This is the common case - this does happen, it is * necessary to deal with it and it is sufficient to * try again. */ break; case EAGAIN: /* what, oh well, if at once you don't succeed. */ /* We didn't say O_NONBLOCK above so this should never * happen, however it has. The code will therefore go into * a tight loop in the manner of a certain Scottish nobleman. */ break; case EPIPE: /* you don't love me any more. */ /* This is a little difficult, it means we were squirting * data down a pipe, so somehow someone has managed to work * out both how to create a named pipe and how much fun to * have by passing it to this program on the command line, * then they have worked out how to make the shell ignore * SIGPIPE in a spawned program (possible with some shells) * then they want to see the really dumb message that comes * out as a result. We just say no. */ exit(1); default: pdie("write", pfile->pname); } else { count -= cb; /* It is now necessary to fdatasync this file descriptor * to ensure that this data really does get to its final * destination. (Note that even this is probably not certain * if the destination is a disk with a RAM buffer - which * means *any* disk these days.) */ pfile->fchanged = 1; /* Something has been written to flash, but not everything * has (necessarily) been written yet, so if something goes * wrong after this point we are in deep, deep, trouble. */ error_level = 3; } } while (count > 0); /* So now the device matches the write buffer and the device * pointer is back where it was before. */ memcpy(pfile->pbuf, pfile->pwritebuf, pfile->deviceoffset-pfile->bufferoffset); /* Written a block, write a progress indicator. */ if (pfile->fprogress) (void)fputc('+', stderr); } else if (pfile->fprogress) (void)fputc('.', stderr); /* Nothing remains to write from this buffer (hence nothing at all * for this device.) */ pfile->fwritten = 0; } } /* Close the file, if anything was written out does an fsync. */ static void close_mtd(mtd_file *pfile) { write_mtd(pfile); assert(!pfile->fwritten); if (pfile->pbuf != 0) { free(pfile->pbuf); pfile->pbuf = 0; } if (pfile->pwritebuf != 0) { free(pfile->pwritebuf); pfile->pwritebuf = 0; } if (pfile->fd >= 0) { /* For a write file be very very careful. For read ignore errors: * it is more important to successfully write than to whine about * strange close errors from a file we don't care about. For a * write file with nothing written we don't care either. */ if (pfile->fchanged) { /* This is the all important bit. Doing the fdatasync is what * flushes the data to the flash. If this isn't done there is * no guarantee that close will detect a write error, 'cause the * flash may not have completed the write before the close * returns. */ if (pfile->fprogress) fputc('*', stderr); if (fdatasync(pfile->fd) != 0) { /* Trying an fdatasync on a pipe, etc, is silly, but we do * it anyway. EROFS means we just tried to write to a * read only file system, safe but still an error. */ if (errno != EINVAL) pdie("sync", pfile->pname); } if (pfile->fprogress) fputc(';', stderr); if (close(pfile->fd) != 0) pdie("close", pfile->pname); } else (void)close(pfile->fd); pfile->fd = (-1); } if (pfile->pname != 0) { free(pfile->pname); pfile->pname = 0; } init_mtd(pfile); } /* Obtain an input and, if necessary, an output buffer. */ static void buffer_mtd(mtd_file *pfile) { if (pfile->pbuf == 0) { size_t blksize = pfile->cbbuf; assert(blksize > 0); assert(pfile->pwritebuf == 0); /* Get blksize bytes (note: things could be speeded up by aligning * the buffer but this really doesn't matter, all the time goes in * read/write of the flash!) */ pfile->pbuf = malloc(blksize); if (pfile->fwrite) pfile->pwritebuf = malloc(blksize); if (pfile->pbuf == 0 || (pfile->fwrite && pfile->pwritebuf == 0)) die("out of memory", pfile->pname); } } /* Read some data including the current user position. This will also *write* data * if something is waiting to be written. * * NOTE: in the original design I conceived of some scheme whereby all the writes * would be buffered up for the end, but I can't see how this would actually help * anything because even if data has to be read from the device to determine read * locations it tends to happen before the relevant writes. In the access patterns * I know (they are very simple - and that is important in itself) there is never * a need to read from a write device. */ static void read_mtd(mtd_file *pfile) { size_t cbread; int ioffset; /* 'useroffset' is where we need to read from, 'deviceoffset' is where we are * at (sic) and 'bufferoffset'..'deviceoffset' is what we have already. */ if (pfile->useroffset >= pfile->bufferoffset && pfile->useroffset < pfile->deviceoffset) return; if (pfile->useroffset < 0 || pfile->useroffset >= size_mtd(pfile)) die("read outside file", pfile->pname); /* Make sure there is a buffer. */ buffer_mtd(pfile); /* This is the maximum amount which can be read. */ cbread = pfile->cbbuf; if (pfile->useroffset >= pfile->bufferoffset && pfile->useroffset < pfile->bufferoffset + cbread) { /* Just fill the rest of the buffer. */ ioffset = pfile->deviceoffset - pfile->bufferoffset; assert(pfile->deviceoffset < pfile->bufferoffset + cbread); cbread -= ioffset; } else { off_t base; /* We to move the buffer therefore any pending write needs to be flushed. */ write_mtd(pfile); assert(!pfile->fwritten); /* Seek to the aligned buffer boundary if necessary. */ base = (pfile->useroffset / cbread) * cbread; if (base != pfile->deviceoffset) { if (lseek(pfile->fd, base, SEEK_SET) != base) pdie("lseek(read)", pfile->pname); pfile->deviceoffset = base; } pfile->bufferoffset = base; ioffset = 0; } /* Reading is like writing, EINTR can stop it succeeding but is a * continuable error. */ assert(pfile->bufferoffset <= pfile->useroffset); assert(pfile->useroffset < pfile->bufferoffset + cbread); assert(pfile->deviceoffset <= pfile->useroffset); do { ssize_t cb = read(pfile->fd, pfile->pbuf+ioffset, cbread); if (cb < 0) switch (errno) { case EINTR: /* simple restart */ /* POSIX allows this to happen when something has been * read. Reset the file pointer just in case. */ if (lseek(pfile->fd, pfile->deviceoffset, SEEK_SET) != pfile->deviceoffset) pdie("lseek(read reset)", pfile->pname); break; case EAGAIN: /* O_NONBLOCK on the input? */ break; default: pdie("read", pfile->pname); } else if (cb == 0) { die("unexpected end of file", pfile->pname); } else { /* Save a copy of the data so that it can be written out again * by a write file. */ if (pfile->pwritebuf != 0) memcpy(pfile->pwritebuf+ioffset, pfile->pbuf+ioffset, cb); cbread -= cb; ioffset += cb; pfile->deviceoffset += cb; } } while (cbread > 0 && pfile->useroffset >= pfile->deviceoffset); assert(pfile->useroffset < pfile->deviceoffset); } /* Basic IO - these are the functions to use, not the internal read/write * functions above. */ /* Set the current read/write pointer on this file. */ #if 0 /*UNUSED*/ static void mtd_seek(mtd_file *pfile, off_t offset) { pfile->useroffset = offset; } #endif /* Get a single byte (returned) and advance the read pointer by one. */ static unsigned char mtd_getb(mtd_file *pfile) { read_mtd(pfile); return (pfile->fwrite ? pfile->pwritebuf : pfile->pbuf)[ pfile->useroffset++ - pfile->bufferoffset]; } /* Store a single byte in a write file and advance the pointer by one. */ static void mtd_putb(mtd_file *pfile, unsigned long b) { if (!pfile->fwrite) die("file is not writeable", pfile->pname); read_mtd(pfile); if (b != pfile->pwritebuf[pfile->useroffset-pfile->bufferoffset]) { pfile->pwritebuf[pfile->useroffset-pfile->bufferoffset] = b; pfile->fwritten = 1; } ++(pfile->useroffset); } /* Read a given number of bytes, which must exist in the file, and * advance the pointer by that amount. */ static void mtd_readbytes(mtd_file *pfile, unsigned char *pbuf, size_t cb) { if (pfile->useroffset+cb > size_mtd(pfile)) die("read beyond end of file", pfile->pname); while (cb > 0) { int cbavail; read_mtd(pfile); cbavail = pfile->deviceoffset - pfile->useroffset; assert(cbavail > 0 && cbavail <= pfile->cbbuf); if (cbavail > cb) cbavail = cb; assert(pfile->useroffset >= pfile->bufferoffset); assert(pfile->useroffset < pfile->deviceoffset); assert(pfile->deviceoffset <= pfile->bufferoffset + pfile->cbbuf); memcpy(pbuf, (pfile->fwrite ? pfile->pwritebuf : pfile->pbuf) + (pfile->useroffset-pfile->bufferoffset), cbavail); pfile->useroffset += cbavail; pbuf += cbavail; cb -= cbavail; } } /* Write a given number of bytes and advance the pointer. As with readbytes * the bytes must already exist in the file - mtd_file will never extend the * file only change existing bytes. */ static void mtd_writebytes(mtd_file *pfile, const unsigned char *pbuf, size_t cb) { if (!pfile->fwrite) die("file is not writeable", pfile->pname); if (pfile->useroffset+cb > size_mtd(pfile)) die("write beyond end of file", pfile->pname); while (cb > 0) { int cbavail; /* This may look strange but it is correct - this code always reads * before it writes to avoid unnecessary writes. */ read_mtd(pfile); cbavail = pfile->deviceoffset - pfile->useroffset; if (cbavail > cb) cbavail = cb; memcpy(pfile->pwritebuf + (pfile->useroffset-pfile->bufferoffset), pbuf, cbavail); pfile->fwritten = 1; pfile->useroffset += cbavail; pbuf += cbavail; cb -= cbavail; } } #if 0 /* Commented out because I don't think this is worth while. */ /* Copy bytes from the pointer in one file to the pointer in another * file (avoids an intermediate buffer compared to readbytes/writebytes.) */ static void mtd_copy(mtd_file *pto, mtd_file *pfrom, size_t cb) { int cbfrom, cbto; if (!pto->fwrite) die("file is not writeable", pto->pname); if (pto->useroffset+cb > size_mtd(pto)) die("write beyond end of file", pto->pname); if (pfrom->useroffset+cb > size_mtd(pfrom)) die("read beyond end of file", pfrom->pname); /* Copying from and to the same place has no effect. */ if (pfrom == pto) return; cbfrom = cbto = 0; while (cb > 0) { int cbavail; if (cbfrom <= 0) { read_mtd(pfrom); cbfrom = pfrom->deviceoffset - pfrom->useroffset; compared to readbytes/writebytes} if (cbto <= 0) { read_mtd(pto); cbto = pto->deviceoffset - pto->useroffset; } /* Take the smallest byte count and copy it. */ cbavail = cbfrom; if (cbavail > cbto) cbavail = cbto; if (cbavail > cb) cbavail = cb; memcpy(pto->pwritebuf + (pto->useroffset-pto->bufferoffset), pfrom->pbuf + (pfrom->useroffset-pfrom->bufferoffset), cbavail); pto->fwritten = 1; pto->useroffset += cbavail; cbto -= cbavail; pfrom->useroffset += cbavail; cbfrom -= cbavail; cb -= cbavail; } } #endif /*********************************************************************** * parse * * Parse a command line option or a single line. See the help below * for details... ***********************************************************************/ #define STACK_BASE 8 #define STACK_SIZE 256 #define NUM_FILES 16 typedef struct parse_buf { int fverify; /* Just verifying, do no write. */ int fprogress; /* Output a progress inidicator. */ int cstack; int fbreak; /* Break in an expression. */ mtd_file* pfrom; mtd_file* pto; /* The buffers. */ unsigned long variables[256]; unsigned long stack[STACK_SIZE]; mtd_file files[NUM_FILES]; } parse_buf; /* Initialiser. */ static void init_parse(parse_buf *pp, int fverify, int fprogress) { int i; memset(pp, 0, sizeof *pp); pp->fverify = fverify; pp->fprogress = fprogress; pp->cstack = STACK_BASE; pp->fbreak = 0; pp->pfrom = 0; pp->pto = 0; for (i=0; ifiles+i); } /* Terminator. */ static void quit(parse_buf *pp, int exit_code) __attribute__((noreturn)); static void quit(parse_buf *pp, int exit_code) { int i; /* Close all the files. */ for (i=0; ifiles[i].pname != 0) close_mtd(pp->files+i); /* And make sure the output worked too. */ if (fflush(stdout) == EOF || ferror(stdout) || fclose(stdout) == EOF) pdie("output failed", "stdout"); exit(exit_code); } /* Input a single byte. */ static unsigned char inb(parse_buf *pp) { int b; if (pp->pfrom == 0) { b = getchar(); if (b == EOF) pdie("read error", "stdin"); } else { b = mtd_getb(pp->pfrom); } return b; } /* Output a single byte. */ static void outb(parse_buf *pp, unsigned long b) { if (pp->pto == 0) { if (putchar(b) == EOF) pdie("write error", "stdout"); } else { mtd_putb(pp->pto, b); } } /* Output these bytes. */ static void outputbytes(parse_buf *pp, const char *pbuf, size_t cb) { if (pp->pto == 0) { if (fwrite(pbuf, cb, 1, stdout) != 1) pdie("write error", "stdout"); } else mtd_writebytes(pp->pto, pbuf, cb); } /* Swap a buffer of bytes - count will always be a power of 2 and * cbavail will be a multiple of count. */ static void swapbytes(unsigned char *buf, size_t cb, size_t count) { while (cb >= count) { int i; for (i=0; i*2 < count; ++i) { unsigned char tmp = buf[i]; buf[i] = buf[count-i-1]; buf[count-i-1] = tmp; } buf += count; cb -= count; } } /* Copy a stream of bytes. */ static void copybytes(parse_buf *pp, size_t cb, size_t count) { while (cb > 0) { size_t cbavail = cb; unsigned char buf[1024]; if (cbavail > sizeof buf) cbavail = sizeof buf; if (pp->pfrom == 0) { if (fread(buf, cbavail, 1, stdin) != 1) pdie("read error", "stdin"); } else mtd_readbytes(pp->pfrom, buf, cbavail); if (count > 1) swapbytes(buf, cbavail, count); outputbytes(pp, buf, cbavail); cb -= cbavail; } } /* Fill the output with a count of bytes of a given value. */ static void fillbytes(parse_buf *pp, unsigned long val, size_t cb) { unsigned char buf[1024]; memset(buf, val, sizeof buf); while (cb > 0) { size_t cbavail = cb; if (cbavail > sizeof buf) cbavail = sizeof buf; outputbytes(pp, buf, cbavail); cb -= cbavail; } } /* Push a single numeric value onto the stack. */ static void push(parse_buf *pp, unsigned long num, const unsigned char *str) { if (pp->cstack >= STACK_SIZE) die("stack overflow", str); pp->stack[pp->cstack++] = num; } /* Pop one or move variables. */ static void pop(parse_buf *pp, int num, const unsigned char *str) { if (pp->cstack < STACK_BASE+num) die("stack underflow", str); pp->cstack -= num; } /* Return (and pop) the top of stack. */ static unsigned long top(parse_buf *pp, const unsigned char *str) { if (pp->cstack <= STACK_BASE) die("stack underflow", str); return pp->stack[--(pp->cstack)]; } /* Store the result of an operator. */ static void op(parse_buf *pp, int numpop, unsigned long num, const unsigned char *str) { pop(pp, numpop, str); push(pp, num, str); } /* Parse a single expression, which may be empty. The conditional execution * stuff is identical to that for a command except that (:?) are used instead * of $($:$?$) */ static int parse_expression(parse_buf *pp, const unsigned char *line, int Ac, int AcEnd) { int SP = 0, fnoexec = 0, test = 0; int stack[16]; for (;Ac= 16) die("() stack overflow", lp); stack[SP++] = Ac; if (fnoexec) { fnoexec += 3; } else { fnoexec = top(pp, lp) == 0; } break; case '[': /* test start */ /* If fnoexec >= 3 the whole block is disabled. */ if (fnoexec <= 2) { /* Valid only inside an () block and there should only * be one active at once. */ if (test != 0 || SP <= 0) goto badnest; /* Record the start of the test. */ test = Ac+1; /* If the previous block executed record this. */ if (fnoexec == 0) fnoexec = 2; } break; case ':': /* elif */ /* fnoexec is 1 if nothing has executed in this block yet, * and if the block itself is executing, it is 2 if something * did execute, it is >2 for a non-executed block, including * one with a break. */ if (fnoexec <= 2) { if (test == 0 || SP <= 0) goto badnest; assert(fnoexec > 0); assert(!pp->fbreak); /* 1: nothing has executed yet. * 2: an if or elif has executed. */ if (fnoexec == 1) { /* Parse the test. If this results in a break no * condition is popped from the stack, otherwise * the condition which the expression should push * is popped. */ (void)parse_expression(pp, line, test, Ac); if (pp->fbreak) { fnoexec = 3; pp->fbreak = 0; } else fnoexec = top(pp, lp) == 0; } /* And the test has been consumed. */ test = 0; } break; case ')': /* end+loop if */ /* The stack must always be popped. */ if (SP <= 0) goto badnest; --SP; /* If fnoexec>2 then this is a nested disabled block or, in * the case of 3, a break. In neither case is the expression * evaluated and the test setting is for an enclosing block. */ if (fnoexec > 2) { fnoexec -= 3; } else { /* In this case there must be a test. */ if (test == 0) goto badnest; /* Execution resumes regardless. */ fnoexec = 0; assert(!pp->fbreak); /* So make the loop test now - this may cause a branch back * to the ( and that will push the stack again. Evaluate * the test. */ (void)parse_expression(pp, line, test, Ac); if (pp->fbreak) pp->fbreak = 0; else if (top(pp, lp) != 0) { Ac = stack[SP]-1; /* Ac is incremented below */ } /* And the test has been consumed. */ test = 0; } break; badnest: die("bad [: or [) nesting", lp); break; case ';': case '\n': /* end of line terminates the loop, but Ac is stepped beyond the * terminator. */ ++Ac; goto end; case ' ': case '\f': case '\r': case '\t': case '\v': case ',': /* Treat as a space */ /* Skip other white space. */ break; /* Everything else is glommed together because the fnoexec case * can be simply handled by skipping character-by-character (because * (:?); do not occur inside numbers!) */ default: if (fnoexec) break; if (isupper(ch)) push(pp, pp->variables[ch], lp); else if (isdigit(ch)) { char *end = (char*)lp; unsigned long num; errno = 0; num = strtoul(lp, &end, 0); if (num == ULONG_MAX && (errno == EINVAL || errno == ERANGE)) pdie("invalid number", lp); push(pp, num, lp); /* strotul returns a pointer to the first invalid character in * end, so Ac becomes end-line-1, because it is incremented below. */ Ac = (const unsigned char*)end-line-1; } else { /* The operators are handled here. An unrecognised character is an * error at this point. The left, right are always valid because * the stack has 8 unused slots at the top... */ unsigned long left = pp->stack[pp->cstack - 2]; unsigned long right = pp->stack[pp->cstack - 1]; switch (ch) { case '?': /* break */ /* break inside a condition is actually allowed, so this may * happen with SP==0 while evaluating a condition. For the * moment ? is also allowed outside a loop, it terminates the * processing of the whole expression. */ if (top(pp, lp) != 0) { /* break: skip to the ) and do not do the test on * that either. */ fnoexec = 3; } break; #define DIOP(operator) op(pp, 2, left operator right, lp); break #define MONOP(operator) op(pp, 1, operator right, lp); break /* The C operators */ case '*': DIOP(*); case '+': DIOP(+); case '-': DIOP(-); case '/': DIOP(/); case '%': DIOP(%); case '<': DIOP(<); case '>': DIOP(>); case '|': DIOP(|); case '&': DIOP(&); case '^': DIOP(^); case '~': MONOP(~); case '!': MONOP(!); case '=': /* equality */ op(pp, 2, left == right, lp); break; case '{': /* shift left */ op(pp, 2, left << right, lp); break; case '}': /* shift right */ op(pp, 2, left >> right, lp); break; case 'r': /* rotate right */ op(pp, 2, (left >> right) + (left << (32-right)), lp); break; case 'e': /* sign extend (right is number of valid bits). */ op(pp, 2, (long)(left << (32-right)) >> (32-right), lp); break; case 'm': /* mask (right is number of valid bits). */ op(pp, 2, (left << (32-right)) >> (32-right), lp); break; case '$': /* Size of input. */ if (pp->pfrom == 0) die("size of input unknown", lp); push(pp, size_mtd(pp->pfrom), lp); break; case 'f': /* position of input ('from' pointer). */ if (pp->pfrom == 0) die("position of input unknown", lp); push(pp, pp->pfrom->useroffset, lp); break; case '#': /* Size of output. */ if (pp->pto == 0) die("size of output unknown", lp); push(pp, size_mtd(pp->pto), lp); break; case 't': /* position of output ('to' pointer). */ if (pp->pto == 0) die("position of output unknown", lp); push(pp, pp->pto->useroffset, lp); break; case 'd': /* device number of the input device */ if (pp->pfrom == 0) die("input device number unknown", lp); push(pp, pp->pfrom->stat.st_rdev == 0 ? pp->pfrom->stat.st_dev : pp->pfrom->stat.st_rdev, lp); break; case 'o': /* block size of output device */ if (pp->pto == 0) die("output block size unknown", lp); push(pp, pp->pto->stat.st_blksize, lp); break; case 'i': /* block size of input device */ if (pp->pfrom == 0) die("input block size unknown", lp); push(pp, pp->pfrom->stat.st_blksize, lp); break; case '@': /* one byte read. */ push(pp, inb(pp), lp); break; case 'b': /* big endian 4 byte read. */ #define P(st) (void)parse_expression(pp, st, 0, (sizeof st)-1) P("@8{@+8{@+8{@+;# 4 byte big-endian read"); break; case 'l': /* little endian 4 byte read. */ P("@@@@8{+8{+8{+;# 4 byte little-endian read"); break; case '.': /* copy (dup) */ push(pp, right, lp); break; case 'p': /* pop */ pop(pp, 1, lp); break; case 's': /* swap (top two elements of the stack) */ pop(pp, 2, lp); push(pp, right, lp); push(pp, left, lp); break; default: die("invalid operator", lp); } } } } /* Here on terminator or Ac==AcEnd. */ end: /* If SP>0 then there was some bad nesting going on - i.e. the brackets have * not been closed. fnoexec must be zero if SP is 0. */ if (SP > 0) die("unclosed ( )", line); assert(fnoexec == 0 || fnoexec == 3); if (fnoexec == 3) pp->fbreak = 1; return Ac; } /* Parse an expression and return numbers off the top of stack. */ static int need(parse_buf *pp, unsigned long arg[2], const unsigned char *line, int Ac, int AcEnd, int num) { int Acnew = parse_expression(pp, line, Ac, AcEnd); assert(num <= 2); if (pp->cstack < STACK_BASE+num) die("too few arguments", line+Ac); while (num > 0) arg[--num] = pp->stack[--(pp->cstack)]; /* cancel a break at the top level. */ pp->fbreak = 0; return Acnew; } /* Parse a string. The string ends up in the buffer and is limited in * size to STR_MAX. The API returns a null string for empty quoted * strings and for the unquoted case where there is only whitespace * in the rest of the command. The result is the index of the first * character after the end of the command (*not* the end of the string.) */ static int string(unsigned char *buffer, const unsigned char *line, int Ac) { int start, end; while (isspace(line[Ac]) && line[Ac] != '\n') ++Ac; if (line[Ac] == '"' || line[Ac] == '\'') { const unsigned char quote = line[Ac]; start = Ac; end = Ac+1; while (line[end] != 0 && line[end] != '\n' && line[end] != quote) ++end; if (line[end] != quote) die("unterminated quoted string", line+start); Ac = end+1; while (isspace(line[Ac]) && line[Ac] != '\n') ++Ac; if (line[Ac] != 0 && line[Ac] != ';' && line[Ac] != '\n') die("stuff on line after quoted string", line+start); ++start; } else { start = Ac; while (line[Ac] != 0 && line[Ac] != ';' && line[Ac] != '\n') ++Ac; end = Ac; } end -= start; if (end >= STR_MAX) die("string too long", line+start); /* Copy out the string into the buffer and null terminate it. */ memcpy(buffer, line+start, end); buffer[end] = 0; /* Skip over EOL, if present, and store the string pointer back. */ if (line[Ac] != 0) ++Ac; return Ac; } /* Find the end of line, Ac always points to the start. */ static int eol(const unsigned char *line, int Ac) { unsigned char quote = 0; while (line[Ac] != '\n' && (line[Ac] != ';' || quote)) { if (line[Ac] == 0) return Ac; if (line[Ac] == '"' || line[Ac] == '\"') { if (quote == 0) quote = line[Ac]; else if (quote == line[Ac]) quote = 0; } ++Ac; } return Ac+1; } /* Find a file given its name. */ static mtd_file *find_file(parse_buf *pp, const unsigned char *name) { int i; for (i=0; ifiles[i].pname != 0 && strcmp(name, pp->files[i].pname) == 0) return pp->files+i; } return 0; } /* Open a file for read or write. */ static mtd_file *open_file(parse_buf *pp, const unsigned char *name, int fwrite) { int i; for (i=0; ifiles[i].pname == 0) break; if (i >= NUM_FILES) die("no more files", name); open_mtd(pp->files+i, name, fwrite, pp->fverify, pp->fprogress); return pp->files+i; } /* Basic parse function. Does all the work. Simple line-by-line command * parser. The input is a vector of strings (an argv), 'input' says where * it came from. */ static void parse(parse_buf *pp, int lines, const char **prog) { /* The program pointer is a line index Al and a character within the * line Ac. The exec stack just has those references (i.e. (Al,Ac) * is a PC). */ int Al = 0, SP = 0, fnoexec = 0; struct stack { int Al, Ac; } stack[16]; /* fnoexec has these values: * 0: normal execution * 1: within an if $($:$) and none of the tests have passed (so * nothing has been executed in this block.) * 2: within an if and a test has passed (a previous block has * been executed.) * 3: within an if and a break ($?) has succeeded, execute nothing * until *and including* the $) (i.e. do not evaluate the value * on that either.) * This applies to nested if blocks too when the block is executable. * If a block is nested within a non-executing environment the $( * adds 3 to fnoexec. The $) always subtracts 3 unless fnoexec is * 0, 1, 2 or 3 thus the prior state is reliably restored. */ while (Al < lines) { int Ac = 0; const unsigned char *line = prog[Al]; const int AcEnd = strlen(line); while (line[Ac]) { const unsigned char *lp = line+Ac; unsigned char ch = *lp; /* A command is two characters, except that ';' is end-of-line, * skip these things until we see a command, then use the next * two characters. line[Ac] != 0 so the read of Ac+1 is safe. */ if (isspace(ch) || ch == ';') { ++Ac; } else if ((ch != '$' && fnoexec) || ch == '#') { /* disabled execution and not a control flow command, or * a comment. */ Ac = eol(line, Ac); } else switch ((ch << 8) + line[Ac+1]) { unsigned long arg[2]; unsigned char buffer[STR_MAX]; /* Control flow. These commands have to explicitly check * the fnoexec state because they manipulate it. */ #define CASE(l,r) case (((l)<<8)+(r)) CASE('$','('): /* if */ if (SP >= 16) die("exec stack overflow", lp); stack[SP].Al = Al; stack[SP++].Ac = Ac; if (fnoexec) { fnoexec += 3; goto noexec; } Ac = need(pp, arg, line, Ac+2, AcEnd, 1); fnoexec = arg[0] == 0; break; CASE('$',':'): /* elif */ /* fnoexec is 1 if nothing has executed in this block yet, * and if the block itself is executing. */ if (SP <= 0) goto underflow; if (fnoexec != 1) { /* If the previous block executed record this. */ if (fnoexec == 0) fnoexec = 2; goto noexec; } Ac = need(pp, arg, line, Ac+2, AcEnd, 1); fnoexec = arg[0] == 0; break; CASE('$',')'): /* end+loop if */ /* The stack must always be popped. */ if (SP <= 0) goto underflow; --SP; /* If fnoexec>2 then this is a nested disabled block or, in * the case of 3, a break. In neither case is the expression * evaluated. */ if (fnoexec > 2) { fnoexec -= 3; goto noexec; } fnoexec = 0; /* So make the loop test now - this may cause a branch back * to the $( and that will push the stack again. */ Ac = need(pp, arg, line, Ac+2, AcEnd, 1); if (arg[0] != 0) { Al = stack[SP].Al; Ac = stack[SP].Ac; /* Do not ever forget this, because we may not exit the * immediately enclosing loop and line is set up outside * it! */ line = prog[Al]; } break; CASE('$','?'): /* break */ if (SP <= 0) goto underflow; if (fnoexec) goto noexec; Ac = need(pp, arg, line, Ac+2, AcEnd, 1); if (arg[0] != 0) { /* break: skip to the $) and do not do the test on * that either. */ fnoexec = 3; } break; underflow: die("exec stack underflow", lp); noexec: /* Control flow no-exec case. */ Ac = eol(line, Ac); break; /* Program termination */ CASE('!','?'): /* exit if non-zero */ Ac = need(pp, arg, line, Ac+2, AcEnd, 1); if (arg[0] != 0) quit(pp, arg[0]); break; CASE('!','!'): /* exit unconditionally */ Ac = need(pp, arg, line, Ac+2, AcEnd, 1); quit(pp, arg[0]); break; /* Input/output */ CASE('>','>'): /* write to (no argument reverts to stdout) */ Ac = string(buffer, line, Ac+2); if (buffer[0] != 0) { mtd_file *pfile = find_file(pp, buffer); if (pfile == 0) pfile = open_file(pp, buffer, 1); else if (!pfile->fwrite) die("attempt to open a read file for write", buffer); pp->pto = pfile; } else pp->pto = 0; break; CASE('<','<'): /* read from */ Ac = string(buffer, line, Ac+2); if (buffer[0] != 0) { mtd_file *pfile = find_file(pp, buffer); if (pfile == 0) pfile = open_file(pp, buffer, 0); pp->pfrom = pfile; } else pp->pfrom = 0; break; CASE('<','>'): /* close */ CASE('>','<'): /* synonym of close */ Ac = string(buffer, line, Ac+2); if (buffer[0] != 0) { mtd_file *pfile = find_file(pp, buffer); if (pfile == 0) die("no such file to close", buffer); if (pfile == pp->pfrom) pp->pfrom = 0; if (pfile == pp->pto) pp->pto = 0; close_mtd(pfile); } else die("<> (close) requires an argument", lp); break; CASE('>','='): /* set to pointer */ Ac = need(pp, arg, line, Ac+2, AcEnd, 1); if (pp->pto == 0) die("no output file", lp); pp->pto->useroffset = arg[0]; break; CASE('<','='): /* set from pointer */ Ac = need(pp, arg, line, Ac+2, AcEnd, 1); if (pp->pfrom == 0) die("no input file", lp); pp->pfrom->useroffset = arg[0]; break; /* writing to output */ CASE('w','b'): /* bigendian number bytes */ Ac = need(pp, arg, line, Ac+2, AcEnd, 2); switch (arg[1]) { case 4: outb(pp, arg[0] >> 24); case 3: outb(pp, arg[0] >> 16); case 2: outb(pp, arg[0] >> 8); case 1: outb(pp, arg[0]); break; default:die("byte count out of range", lp); } break; CASE('w','l'): /* little endian number bytes */ Ac = need(pp, arg, line, Ac+2, AcEnd, 2); switch (arg[1]) { case 4: outb(pp, arg[0]); arg[0] >>= 8; case 3: outb(pp, arg[0]); arg[0] >>= 8; case 2: outb(pp, arg[0]); arg[0] >>= 8; case 1: outb(pp, arg[0]); break; default:die("byte count out of range", lp); } break; CASE('w','s'): /* write string */ Ac = string(buffer, line, Ac+2); outputbytes(pp, buffer, strlen(buffer)); break; CASE('f','b'): /* fill bytes */ Ac = need(pp, arg, line, Ac+2, AcEnd, 2); /* The likely error is forgetting an argument, that may * put the byte count into the fill value. */ if (arg[1] > 255) die("fill value out of range", lp); /* Now call fillbytes, arguments same order as memset, but * the reverse from the command (fb number value). */ fillbytes(pp, arg[1], arg[0]); break; CASE('c','p'): /* copy bytes */ Ac = need(pp, arg, line, Ac+2, AcEnd, 1); copybytes(pp, arg[0], 1); break; CASE('x','p'): /* byte swap bytes (length, byte count) */ Ac = need(pp, arg, line, Ac+2, AcEnd, 2); if (arg[1] > 256 || /* too large */ (arg[1] & (arg[1] - 1)) || /* not a power of 2 */ (arg[0] & (arg[1] - 1))) /* length not a multiple of count */ die("invalid byte count", lp); copybytes(pp, arg[0], arg[1]); break; /* writing to stdout */ CASE('p','r'): /* printf("%lu\n") */ Ac = need(pp, arg, line, Ac+2, AcEnd, 1); printf("%lu\n", arg[0]); stdout_check: if (ferror(stdout)) pdie("write error", "stdout"); break; CASE('p','f'): /* printf(string) */ Ac = string(buffer, line, Ac+2); /* This flushes the whole stack, so "printf;" can be useful * under some circumstances! */ { unsigned long *stack = pp->stack + pp->cstack - 1; pp->cstack = STACK_BASE; printf(buffer, stack[0], stack[-1], stack[-2], stack[-3], stack[-4], stack[-5], stack[-6], stack[-7]); } goto stdout_check; CASE('p','n'): /* printf("\n") */ Ac = need(pp, arg, line, Ac+2, AcEnd, 0); printf("\n"); goto stdout_check; CASE('.','='): /* eval */ Ac = need(pp, arg, line, Ac+2, AcEnd, 0); break; default: /* Assignment is handled here. */ if (isupper(ch) && line[Ac+1] == '=') { /* Assignment. */ Ac = need(pp, arg, line, Ac+2, AcEnd, 1); pp->variables[ch] = arg[0]; } else die("unknown command", lp); break; } } /* end of line (line[Ac] is '\0'), move to the next line. */ ++Al; } /* If SP>0 then there was some bad nesting going on - i.e. the brackets have * not been closed. fnoexec must be zero if SP is 0. */ if (SP > 0) die("unclosed $( $)", "eof"); assert(fnoexec == 0); } /* The command only understands three options: * -v for verify * -p for a progress indicator * -h for help */ int main(int argc, const char **argv) { int i = 0, fhelp = 0, fverify = 0, fprogress = 0; parse_buf p; /* the option(s) must be the first argument(s). */ while (++i < argc && argv[i][0] == '-') { int j = 0; while (argv[i][++j] != 0) switch (argv[i][j]) { case 'v': case 'V': fverify = 1; break; case 'p': case 'P': fprogress = 1; progress = 1; break; case '-': break; default: fhelp = 1; break; } } if (i >= argc || fhelp) { fprintf(stderr, "%s: usage: %s ([-v] [-p] {comands} |-h [command])\n", argv[0], argv[0]); #if HELP if (i >= argc) { fprintf(stderr, " options:\n" " -v: do not write, just verify a previous write\n" " -p: output a progress indicator on write\n" " -h: output this help\n" " -h commands: output command help\n" " -h : output help for command \n"); } else { for (; i {arguments} ;\n\n" " command: a two character command: [additional info]\n" " conditional execution: $( $: $? $) [conditional]\n" " program termination: !? !! [exit]\n" " input/output control: >> << <> >= <= [io]\n" " writing to the output: wb wl ws fb cp xp [write]\n" " writing to stdout: pr pf pn [messages]\n" " assignment: = .= [assign]\n" " comment: #\n\n" " -h : output the syntax of command \n\n" " arguments: a string or a postfix numeric expression\n" " -h string: output the syntax of a string argument\n" " -h number: output the syntax of a numeric argument\n" " -h operator: output a summary of the operators\n\n" " A command which starts with '#' is ignored (a comment)."; else p = "conditional evalation\n" " Conditional evalation has the general form:\n\n" " $( cond; $? cond; $: cond; $) cond; (command form)\n" " cond(, cond?, [cond:, [cond), (operator from)\n\n" " Conditional commands bracket other commands, conditional\n" " operators bracket other numbers and operators in the expression\n" " The conditions (cond) are intrepreted as boolean values, with 0\n" " false and any other value true. Notice that the numbers come off\n" " the number stack so it is not necessary for them to be given with\n" " the specific command or before the specifc operator but it can\n" " be very confusing if this is not done.\n\n" " The commands/operators behave exactly as the following ANSI C\n" " syntax:\n\n" " $( n do if (n) {\n" " $? n if (n) break;\n" " $: n } else if (n) {\n" " $) n } while (n);\n\n" " Thus a simple if/then/else sequence might be:\n\n" " $( condition; $: 1; $) 0\n" " condition( [1: [0)\n\n" " And a simple do while loop:\n\n" " $( 1; $) condition\n" " 1( [condition)\n\n" " Notice that the operator syntax requires [cond: and [cond)"; break; CASE('$','('): /* if */ p = "conditional: $( condition; do if (condition) {\n"; break; CASE('$',':'): /* elif */ p = "conditional: $( condition; } else if (condition) {\n"; break; CASE('$',')'): /* end+loop if */ p = "conditional: $: condition; } while (condition);\n"; break; CASE('$','?'): /* break */ p = "conditional: $: condition; if (condition) break;\n"; break; CASE('e','x'): p = "program termination commands:\n" " !? and !! cause immediate termination of the program.\n" " The currently opened files are closed (and flushed) on\n" " termination and the program exits with the given code.\n" " !? is condition - it only causes an exit if the code is\n" " non zero."; break; CASE('!','?'): /* exit if non-zero */ p = "exit: !? code; if (code != 0) exit(code);\n"; break; CASE('!','!'): /* exit unconditionally */ p = "exit: !! code; exit(code);\n"; break; CASE('i','o'): p = "input/output control:\n" " >> << allow files to be opened for write or read (respectively)\n" " A file may be opened for both write and read, but in that case\n" " the first open must be the write one. Such a file has only one\n" " position pointer. Supplying an empty file name to the commands\n" " causes the standard IO stream (stdout or stdin) to be used, but\n" " the file remains open. A file may be reselected by repeating\n" " the open command. The position pointer will not have changed.\n\n" " <> closes a file. If it is the current input or output then the\n" " input or output, as appropriate, is redirected to the standard\n" " streams.\n\n" " <= >= set the input (from) or output (to) pointer. The pointer is\n" " changed on the current input or output device and is a property of\n" " that device, not a global setting."; break; CASE('>','>'): /* write to (no argument reverts to stdout) */ p = "io: >> file; select file as the current output device\n" " >> ; select stdout as the current output device\n"; break; CASE('<','<'): /* read from */ p = "io: << file; select file as the current input device\n" " << ; select stdin as the current input device\n"; break; CASE('<','>'): /* close */ p = "io: <> file; close file\n"; break; CASE('>','<'): /* synonym of close */ p = "io: >< file; close file\n"; break; CASE('>','='): /* set to pointer */ p = "io: >= offset; set the 'to' pointer: output device file pointer\n"; break; CASE('<','='): /* set from pointer */ p = "io: <= offset; set the 'from' pointer: input device file pointer\n"; break; CASE('w','r'): p = "writing to the output:\n" " wb, wl, ws, fb, cp and xp write bytes to the current output device\n" " at the current output position (which may be set using >=.)\n\n" " See the individual command descriptions for more information."; break; CASE('w','b'): /* bigendian number bytes */ p = "write: wb number bytes; write number in bytes big endian bytes\n"; break; CASE('w','l'): /* little endian number bytes */ p = "write: wl number bytes; write number in bytes little endian bytes\n"; break; CASE('w','s'): /* write string */ p = "write: ws string; write string\n"; break; CASE('f','b'): /* fill bytes */ p = "write: fb number byte; write number bytes of value 'byte'\n"; break; CASE('c','p'): /* copy bytes */ p = "write: cp number; copy number bytes from input to output\n"; break; CASE('x','p'): /* byte swap bytes */ p = "write: xp number bytes; byte swap number bytes from input to output\n" " each group of 'bytes' bytes is swapped\n"; break; CASE('m','e'): p = "writing to stdout:\n" " pr pf and pn allow output to stdout ignoring the current output\n" " device. pf uses a C printf(3) format string and no checking is\n" " made on the validity or number of parameters. The program will\n" " crash if a pointer format (like %s) is used. This is by design.\n" " Use of \\ escapes within the string will probably not produce the\n" " expected result. The only way to output a newline is via the\n" " separate pn command."; break; CASE('p','r'): /* printf("%lu\n") */ p = "message: pr number; printf(\"%lu\\n\", number);\n"; break; CASE('p','f'): /* printf(string) */ p = "message: pf string; printf(string, 1, 2, 3, 4, 5, 6, 7, 8)\n" " uses string as a format string for the\n" " top (up to) 8 arguments on the stack\n" " Empties the stack!\n"; break; CASE('p','n'): /* printf("\n") */ p = "message: pn; prints a newline (printf(\"\\n\");)\n"; break; CASE('.','='): p = ".= [number]\n" " The number is evaluated and pushed to the stack"; CASE('a','s'): p = "= [number] ( is an upper case character in the range A-Z)\n" " The number is assigned to the variable ."; break; CASE('s','t'): p = "string format\n" " A string is either quoted or unquoted. An unquoted string is\n" " the rest of the line, terminated by ';' or newline (or the end\n" " of the command). A quoted string is enclosed in either single\n" " or double quotes (which are removed) and must be the only thing\n" " on the line apart from white space."; break; CASE('n','u'): p = "number format\n" " A number is a post-fix expression consisting of numeric values,\n" " variable values and operators.\n" " A numeric value is anything starting with a digit. 0x prefixes a\n" " hexadecimal value, 0 prefixes an octal value otherwise the value\n" " is interpreted as decimal.\n" " Variables are single upper case characters in the range A-Z,\n" " thus 26 variables are available.\n" " Numeric values and variables are pushed onto a stack which can\n" " store up to 248 numbers.\n" " Operators are single characters not identified as numeric values\n" " or variables. They operate on the stack combining elements.\n" " Use -h operators for more information."; break; CASE('o','p'): p = "operators\n" " The following operators are defined. Operators take one or\n" " two elements from the stack and push back up to two elements\n" " The conditional operators (:?) are special, see the description\n" " under -h conditionals for more information. (Conditional\n" " operators and the conditional commands behave identically.)\n\n" " In the following descriptions 'left' is the last-but-one\n" " number on the stack and 'right' is the last number pushed.\n" " 'new' is a new number pushed on to the top of the stack.\n\n" " arithmetic operators:\n" " *: new := left * right (multiplication)\n" " +: new := left + right\n" " -: new := left - right\n" " /: new := left / right (division)\n" " %: new := left % right (i.e. C style modulus)\n" " <: new := left < right\n" " >: new := left > right\n" " =: new := left == right (i.e. equality)\n" " |: new := left | right (bitwise or)\n" " &: new := left & right (bitwise and)\n" " ^: new := left ^ right (bitwise xor)\n" " ~: new := ~right (ones complement)\n" " !: new := !right (logical complement - right == 0)\n" " {: new := left << right (bitwise shift left by right bits)\n" " }: new := left << right (bitwise shift right by right bits)\n" " r: new := left ROR right (bitwise rotate right by right bits)\n" " e: new := left SXT right (right least significant bits of\n" " left are sign extended to 32 bits)\n" " m: new := left MASK right (right least significant bits of left\n" " are masked, upper bits become 0)\n" " operators to read bytes:\n" " @: new := input-byte (one byte is read from current input)\n" " b: new := input-big-endian (4 big endian bytes are read)\n" " l: new := input-little-endian (4 little endian bytes)\n" " enquiry operators:\n" " $: the size of the current input device\n" " f: the current 'from' offset\n" " #: the size of the current output device\n" " t: the current 'to' offset\n" " d: the full device number of the current input device\n" " this returns the number of the underlying device for a file\n" " o: the block size of the current output device\n" " i: the block size of the current input device\n" " operators to manipulate the stack:\n" " .: new := right,right (i.e. right is duplicated)\n" " p: pop - right is removed from the stack\n" " s: swap - right and left are swapped on the stack\n" " conditional operators:\n" " ( exec := right (execution is stopped if right is 0)\n" " : exec := else if right (execution is resumed or stopped)\n" " ? if right break (break out of if/loop if right)\n" " ) loop if right (end of current if/loop)"; break; default: fprintf(stderr, "command '%s' not recognised\n", p); p = 0; } if (p != 0) fprintf(stderr, "%s\n", p); } } #endif exit(1); } init_parse(&p, fverify, fprogress); parse(&p, argc-i, argv+i); quit(&p, 0); }