farpd-0.2/0040755000175000017500000000000007640541260010605 5ustar jfsjfsfarpd-0.2/LICENSE0100644000175000017500000000303407452361542011613 0ustar jfsjfs Copyright (c) 2000, 2001, 2002 Dug Song Copyright (c) 2002 Niels Provos All rights reserved, all wrongs reversed. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The names of the authors and copyright holders may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. farpd-0.2/Makefile.am0100644000175000017500000000041607456572352012652 0ustar jfsjfs AUTOMAKE_OPTIONS = foreign no-dependencies INCLUDES = @DNETINC@ @EVENTINC@ @PCAPINC@ LDADD = @LIBOBJS@ @DNETLIB@ @EVENTLIB@ @PCAPLIB@ sbin_PROGRAMS = arpd arpd_SOURCES = arpd.c err.h tree.h man_MANS = arpd.8 EXTRA_DIST = LICENSE $(man_MANS) DISTCLEANFILES = *~ farpd-0.2/Makefile.in0100644000175000017500000002624307621517177012667 0ustar jfsjfs# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am # Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. 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AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>, <>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>, <>; do case " <<$>>CONFIG_HEADERS " in *" <<$>>am_file "*<<)>> echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx ;; esac am_indx=`expr "<<$>>am_indx" + 1` done<<>>dnl>>) changequote([,]))]) farpd-0.2/arpd.80100644000175000017500000000300107621353633011617 0ustar jfsjfs.\" .\" Copyright (c) 2001 Dug Song .\" .Dd August 4, 2001 .Dt ARPD 8 .Sh NAME .Nm arpd .Nd ARP reply daemon .Sh SYNOPSIS .Nm arpd .Op Fl d .Op Fl i Ar interface .Op Ar net ... .Sh DESCRIPTION .Nm replies to any ARP request for an IP address matching the specified destination .Ar net with the hardware MAC address of the specified .Ar interface , but only after determining if another host already claims it. .Pp Any IP address claimed by .Nm is eventually forgotten after a period of inactivity or after a hard timeout, and is relinquished if the real owner shows up. .Pp This enables a single host to claim all unassigned addresses on a LAN for network monitoring or simulation. .Pp .Nm exits on an interrupt or termination signal. .Pp The options are as follows: .Bl -tag -width Ds .It Fl d Do not daemonize, and enable verbose debugging messages. .It Fl i Ar interface Listen on .Ar interface . If unspecified, .Nm searches the system interface list for the lowest numbered, configured ``up'' interface (excluding loopback). .It Ar net The IP address or network (specified in CIDR notation) or IP address ranges to claim (e.g. ``10.0.0.3'', ``10.0.0.0/16'' or ``10.0.0.5-10.0.0.15''). If unspecified, .Nm will attempt to claim any IP address it sees an ARP request for. Mutiple addresses may be specified. .El .Sh FILES .Bl -tag -width /var/run/arpd.pid .It Pa /var/run/arpd.pid .El .Sh SEE ALSO .Xr pcapd 8 , .Xr synackd 8 .Sh AUTHORS Dug Song .Aq dugsong@monkey.org , Niels Provos .Aq provos@citi.umich.edu farpd-0.2/arpd.c0100644000175000017500000002644507621353430011706 0ustar jfsjfs/* * arpd.c * * Copyright (c) 2001, 2002 Dug Song * Copyright (c) 2002 Niels Provos * * $Id: arpd.c,v 1.16 2003/02/09 04:20:40 provos Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include /* XXX - libevent */ #undef timeout_pending #undef timeout_initialized #include #include #include "tree.h" #define ARPD_MAX_ACTIVE 600 #define ARPD_MAX_INACTIVE 300 #define PIDFILE "/var/run/arpd.pid" struct arp_req { struct addr pa; int cnt; int negative; struct event active; struct event inactive; struct event discover; struct addr ha; SPLAY_ENTRY(arp_req) next; }; static SPLAY_HEAD(tree, arp_req) arpd_reqs; int compare(struct arp_req *a, struct arp_req *b) { return (addr_cmp(&a->pa, &b->pa)); } SPLAY_PROTOTYPE(tree, arp_req, next, compare); SPLAY_GENERATE(tree, arp_req, next, compare); static pcap_t *arpd_pcap; static arp_t *arpd_arp; static eth_t *arpd_eth; static struct intf_entry arpd_ifent; static int arpd_sig; static void usage(void) { fprintf(stderr, "Usage: arpd [-d] [-i interface] [net]\n"); exit(1); } /* * Expands several command line arguments into a complete pcap filter string. * Deals with normal CIDR notation and IP-IP ranges. */ static char * arpd_expandips(int naddresses, char **addresses) { static char filter[1024]; char line[1024], *p; struct addr dst; if (naddresses == 0) return (NULL); filter[0] = '\0'; while (naddresses--) { /* Get current address */ p = *addresses++; if (filter[0] != '\0') { if (strlcat(filter, " or ", sizeof(filter)) >= sizeof(filter)) errx(1, "%s: too many address for filter", __func__); } if (addr_pton(p, &dst) != -1) { snprintf(line, sizeof(line), "dst %s%s", dst.addr_bits != 32 ? "net ": "", p); } else { char *first, *second; struct addr astart, aend; struct in_addr in; ip_addr_t istart, iend; second = p; first = strsep(&second, "-"); if (second == NULL) errx(1, "%s: Invalid network range: %s", __func__, p); line[0] = '\0'; if (addr_pton(first, &astart) == -1 || addr_pton(second, &aend) == -1) errx(1, "%s: bad addresses %s-%s", __func__, first, second); #ifdef HAVE_BROKEN_DNET if (addr_cmp(&astart, &aend) <= 0) #else if (addr_cmp(&astart, &aend) >= 0) #endif errx(1, "%s: inverted range %s-%s", __func__, first, second); /* Completely, IPv4 specific */ istart = ntohl(astart.addr_ip); iend = ntohl(aend.addr_ip); while (istart <= iend) { char single[32]; int count = 0, done = 0; ip_addr_t tmp; do { ip_addr_t bit = 1 << count; ip_addr_t mask; mask = ~(~0 << count); tmp = istart | mask; if (istart & bit) done = 1; if (iend < tmp) { count--; mask = ~(~0 << count); tmp = istart | mask; break; } else if (done) break; count++; } while (count < IP_ADDR_BITS); if (line[0] != '\0') strlcat(line, " or ", sizeof(line)); in.s_addr = htonl(istart); snprintf(single, sizeof(single), "dst net %s/%d", inet_ntoa(in), 32 - count); strlcat(line, single, sizeof(line)); istart = tmp + 1; } } if (strlcat(filter, line, sizeof(filter)) >= sizeof(filter)) errx(1, "%s: too many address for filter", __func__); } return (filter); } static void arpd_init(char *dev, int naddresses, char **addresses) { struct bpf_program fcode; char filter[1024], ebuf[PCAP_ERRBUF_SIZE], *dst; intf_t *intf; dst = arpd_expandips(naddresses, addresses); SPLAY_INIT(&arpd_reqs); if ((arpd_arp = arp_open()) == NULL) err(1, "arp_open"); if ((intf = intf_open()) == NULL) err(1, "intf_open"); if (dev == NULL) { if ((dev = pcap_lookupdev(ebuf)) == NULL) errx(1, "pcap_lookupdev: %s", ebuf); } arpd_ifent.intf_len = sizeof(arpd_ifent); strncpy(arpd_ifent.intf_name, dev, sizeof(arpd_ifent.intf_name) - 1); arpd_ifent.intf_name[sizeof(arpd_ifent.intf_name) - 1] = '\0'; if (intf_get(intf, &arpd_ifent) < 0) err(1, "intf_get"); if (arpd_ifent.intf_addr.addr_type != ADDR_TYPE_IP || arpd_ifent.intf_link_addr.addr_type != ADDR_TYPE_ETH) errx(1, "bad interface configuration: not IP or Ethernet"); arpd_ifent.intf_addr.addr_bits = IP_ADDR_BITS; snprintf(filter, sizeof(filter), "arp %s%s%s and not ether src %s", dst ? "and (" : "", dst ? dst : "", dst ? ")" : "", addr_ntoa(&arpd_ifent.intf_link_addr)); if ((arpd_pcap = pcap_open_live(dev, 128, 0, 500, ebuf)) == NULL) errx(1, "pcap_open_live: %s", ebuf); if (pcap_compile(arpd_pcap, &fcode, filter, 1, 0) < 0 || pcap_setfilter(arpd_pcap, &fcode) < 0) errx(1, "bad pcap filter: %s", pcap_geterr(arpd_pcap)); #if defined(BSD) && defined(BIOCIMMEDIATE) { int on = 1; if (ioctl(pcap_fileno(arpd_pcap), BIOCIMMEDIATE, &on) < 0) err(1, "BIOCIMMEDIATE"); } #endif if ((arpd_eth = eth_open(dev)) == NULL) errx(1, "eth_open"); #ifndef LOG_PERROR #define LOG_PERROR 0 #endif openlog("arpd", LOG_PERROR|LOG_PID|LOG_CONS, LOG_DAEMON); syslog(LOG_INFO, "listening on %s: %s", dev, filter); } static void arpd_exit(int status) { eth_close(arpd_eth); pcap_close(arpd_pcap); arp_close(arpd_arp); closelog(); unlink(PIDFILE); exit(status); } static void arpd_send(eth_t *eth, int op, struct addr *sha, struct addr *spa, struct addr *tha, struct addr *tpa) { u_char pkt[ETH_HDR_LEN + ARP_HDR_LEN + ARP_ETHIP_LEN]; eth_pack_hdr(pkt, tha->addr_eth, sha->addr_eth, ETH_TYPE_ARP); arp_pack_hdr_ethip(pkt + ETH_HDR_LEN, op, sha->addr_eth, spa->addr_ip, tha->addr_eth, tpa->addr_ip); if (op == ARP_OP_REQUEST) { syslog(LOG_DEBUG, __FUNCTION__ ": who-has %s tell %s", addr_ntoa(tpa), addr_ntoa(spa)); } else if (op == ARP_OP_REPLY) { syslog(LOG_INFO, "arp reply %s is-at %s", addr_ntoa(spa), addr_ntoa(sha)); } if (eth_send(eth, pkt, sizeof(pkt)) != sizeof(pkt)) syslog(LOG_ERR, "couldn't send packet: %m"); } static int arpd_lookup(struct addr *addr) { struct arp_entry arpent; int error; if (addr_cmp(addr, &arpd_ifent.intf_addr) == 0) { syslog(LOG_DEBUG, __FUNCTION__ ": %s at %s", addr_ntoa(addr), addr_ntoa(&arpd_ifent.intf_link_addr)); return (0); } memcpy(&arpent.arp_pa, addr, sizeof(*addr)); error = arp_get(arpd_arp, &arpent); if (error == -1) { syslog(LOG_DEBUG, __FUNCTION__ ": no entry for %s", addr_ntoa(addr)); } else { syslog(LOG_DEBUG, __FUNCTION__ ": %s at %s", addr_ntoa(addr), addr_ntoa(&arpent.arp_ha)); } return (error); } static void arpd_free(struct arp_req *req) { timeout_del(&req->active); timeout_del(&req->inactive); timeout_del(&req->discover); free(req); } static void arpd_timeout(int fd, short event, void *arg) { struct arp_req *req = arg; SPLAY_REMOVE(tree, &arpd_reqs, req); syslog(LOG_DEBUG, "%s: expiring %s",__FUNCTION__, addr_ntoa(&req->pa)); arpd_free(req); } static void arpd_discover(struct arp_req *req, struct addr *ha) { struct timeval tv = {0, 500000}; if (ha != NULL) memcpy(&req->ha, ha, sizeof(*ha)); if (req->cnt < 2) { arpd_send(arpd_eth, ARP_OP_REQUEST, &arpd_ifent.intf_link_addr, &arpd_ifent.intf_addr, &req->ha, &req->pa); timeout_add(&req->discover, &tv); } req->cnt++; } static void arpd_discovercb(int fd, short event, void *arg) { struct arp_req *req = arg; arpd_discover(req, NULL); } static void arpd_recv_cb(u_char *u, const struct pcap_pkthdr *pkthdr, const u_char *pkt) { struct arp_hdr *arp; struct arp_ethip *ethip; struct arp_req *req, tmp; struct arp_entry src; struct timeval tv; if (pkthdr->caplen < ETH_HDR_LEN + ARP_HDR_LEN + ARP_ETHIP_LEN) return; arp = (struct arp_hdr *)(pkt + ETH_HDR_LEN); /* XXX */ ethip = (struct arp_ethip *)(arp + 1); addr_pack(&src.arp_ha, ADDR_TYPE_ETH, ETH_ADDR_BITS, ETH_ADDR_BROADCAST, ETH_ADDR_LEN); addr_pack(&src.arp_pa, ADDR_TYPE_IP, IP_ADDR_BITS, ethip->ar_spa, IP_ADDR_LEN); switch (ntohs(arp->ar_op)) { case ARP_OP_REQUEST: addr_pack(&tmp.pa, ADDR_TYPE_IP, IP_ADDR_BITS, ðip->ar_tpa, IP_ADDR_LEN); req = SPLAY_FIND(tree, &arpd_reqs, &tmp); if (req == NULL) { if ((req = calloc(1, sizeof(*req))) == NULL) { syslog(LOG_ERR, "calloc: %m"); arpd_exit(1); } memcpy(&req->pa, &tmp.pa, sizeof(tmp.pa)); timeout_set(&req->active, arpd_timeout, req); timeout_set(&req->inactive, arpd_timeout, req); timeout_set(&req->discover, arpd_discovercb, req); timerclear(&tv); tv.tv_sec = ARPD_MAX_ACTIVE; timeout_add(&req->active, &tv); SPLAY_INSERT(tree, &arpd_reqs, req); /* Turn into negative cache */ if (arpd_lookup(&tmp.pa) == 0) req->negative = 1; else arpd_discover(req, &src.arp_ha); } else { timerclear(&tv); tv.tv_sec = ARPD_MAX_INACTIVE; timeout_add(&req->inactive, &tv); if (req->negative) { syslog(LOG_DEBUG, "%s: %s is allocated", __FUNCTION__, addr_ntoa(&req->pa)); return; } if (req->cnt >= 3) { arpd_send(arpd_eth, ARP_OP_REPLY, &arpd_ifent.intf_link_addr, &tmp.pa, &src.arp_ha, &src.arp_pa); } else { syslog(LOG_DEBUG, "%s: %s still discovering (%d)", __FUNCTION__, addr_ntoa(&req->pa), req->cnt); } } break; case ARP_OP_REPLY: addr_pack(&tmp.pa, ADDR_TYPE_IP, IP_ADDR_BITS, ðip->ar_spa, IP_ADDR_LEN); if ((req = SPLAY_FIND(tree, &arpd_reqs, &tmp)) != NULL) { addr_pack(&src.arp_ha, ADDR_TYPE_ETH, ETH_ADDR_BITS, ethip->ar_sha, ETH_ADDR_LEN); syslog(LOG_DEBUG, __FUNCTION__ ": %s at %s", addr_ntoa(&req->pa), addr_ntoa(&src.arp_ha)); /* This address is claimed */ req->negative = 1; } break; } } static void arpd_recv(int fd, short type, void *ev) { event_add((struct event *)ev, NULL); if (pcap_dispatch(arpd_pcap, -1, arpd_recv_cb, NULL) < 0) syslog(LOG_ERR, "pcap_dispatch: %s", pcap_geterr(arpd_pcap)); } void terminate_handler(int sig) { extern int event_gotsig; event_gotsig = 1; arpd_sig = sig; } int arpd_signal(void) { syslog(LOG_INFO, "exiting on signal %d", arpd_sig); arpd_exit(0); /* NOTREACHED */ return (-1); } int main(int argc, char *argv[]) { struct event recv_ev; extern int (*event_sigcb)(void); char *dev; int c, debug; FILE *fp; dev = NULL; debug = 0; while ((c = getopt(argc, argv, "di:h?")) != -1) { switch (c) { case 'd': debug = 1; break; case 'i': dev = optarg; break; default: usage(); break; } } argc -= optind; argv += optind; if (argc == 0) arpd_init(dev, 0, NULL); else arpd_init(dev, argc, argv); if ((fp = fopen(PIDFILE, "w")) == NULL) err(1, "fopen"); if (!debug) { setlogmask(LOG_UPTO(LOG_INFO)); if (daemon(1, 0) < 0) { unlink(PIDFILE); err(1, "daemon"); } } fprintf(fp, "%d\n", getpid()); fclose(fp); chmod(PIDFILE, 0644); event_init(); event_set(&recv_ev, pcap_fileno(arpd_pcap), EV_READ, arpd_recv, &recv_ev); event_add(&recv_ev, NULL); /* Setup signal handler */ if (signal(SIGINT, terminate_handler) == SIG_ERR) { perror("signal"); 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Make sure there is not a broken alias in your environment" >&2;} { (exit 1); exit 1; }; } fi test "$2" = conftestfile ) then # Ok. : else { { echo "$as_me:1066: error: newly created file is older than distributed files! Check your system clock" >&5 echo "$as_me: error: newly created file is older than distributed files! Check your system clock" >&2;} { (exit 1); exit 1; }; } fi rm -f conftest* echo "$as_me:1073: result: yes" >&5 echo "${ECHO_T}yes" >&6 test "$program_prefix" != NONE && program_transform_name="s,^,$program_prefix,;$program_transform_name" # Use a double $ so make ignores it. test "$program_suffix" != NONE && program_transform_name="s,\$,$program_suffix,;$program_transform_name" # Double any \ or $. echo might interpret backslashes. # By default was `s,x,x', remove it if useless. cat <<\_ACEOF >conftest.sed s/[\\$]/&&/g;s/;s,x,x,$// _ACEOF program_transform_name=`echo $program_transform_name | sed -f conftest.sed` rm conftest.sed echo "$as_me:1088: checking whether ${MAKE-make} sets \${MAKE}" >&5 echo $ECHO_N "checking whether ${MAKE-make} sets \${MAKE}... $ECHO_C" >&6 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,./+-,__p_,'` if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.make <<\EOF all: @echo 'ac_maketemp="${MAKE}"' EOF # GNU make sometimes prints "make[1]: Entering...", which would confuse us. eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=` if test -n "$ac_maketemp"; then eval ac_cv_prog_make_${ac_make}_set=yes else eval ac_cv_prog_make_${ac_make}_set=no fi rm -f conftest.make fi if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then echo "$as_me:1108: result: yes" >&5 echo "${ECHO_T}yes" >&6 SET_MAKE= else echo "$as_me:1112: result: no" >&5 echo "${ECHO_T}no" >&6 SET_MAKE="MAKE=${MAKE-make}" fi PACKAGE=arpd VERSION=0.2 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then { { echo "$as_me:1122: error: source directory already configured; run \"make distclean\" there first" >&5 echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;} { (exit 1); exit 1; }; } fi cat >>confdefs.h <>confdefs.h <&5 echo $ECHO_N "checking for working aclocal... $ECHO_C" >&6 # Run test in a subshell; some versions of sh will print an error if # an executable is not found, even if stderr is redirected. # Redirect stdin to placate older versions of autoconf. Sigh. if (aclocal --version) < /dev/null > /dev/null 2>&1; then ACLOCAL=aclocal echo "$as_me:1143: result: found" >&5 echo "${ECHO_T}found" >&6 else ACLOCAL="$missing_dir/missing aclocal" echo "$as_me:1147: result: missing" >&5 echo "${ECHO_T}missing" >&6 fi echo "$as_me:1151: checking for working autoconf" >&5 echo $ECHO_N "checking for working autoconf... $ECHO_C" >&6 # Run test in a subshell; some versions of sh will print an error if # an executable is not found, even if stderr is redirected. # Redirect stdin to placate older versions of autoconf. Sigh. if (autoconf --version) < /dev/null > /dev/null 2>&1; then AUTOCONF=autoconf echo "$as_me:1158: result: found" >&5 echo "${ECHO_T}found" >&6 else AUTOCONF="$missing_dir/missing autoconf" echo "$as_me:1162: result: missing" >&5 echo "${ECHO_T}missing" >&6 fi echo "$as_me:1166: checking for working automake" >&5 echo $ECHO_N "checking for working automake... $ECHO_C" >&6 # Run test in a subshell; some versions of sh will print an error if # an executable is not found, even if stderr is redirected. # Redirect stdin to placate older versions of autoconf. Sigh. if (automake --version) < /dev/null > /dev/null 2>&1; then AUTOMAKE=automake echo "$as_me:1173: result: found" >&5 echo "${ECHO_T}found" >&6 else AUTOMAKE="$missing_dir/missing automake" echo "$as_me:1177: result: missing" >&5 echo "${ECHO_T}missing" >&6 fi echo "$as_me:1181: checking for working autoheader" >&5 echo $ECHO_N "checking for working autoheader... $ECHO_C" >&6 # Run test in a subshell; some versions of sh will print an error if # an executable is not found, even if stderr is redirected. # Redirect stdin to placate older versions of autoconf. Sigh. if (autoheader --version) < /dev/null > /dev/null 2>&1; then AUTOHEADER=autoheader echo "$as_me:1188: result: found" >&5 echo "${ECHO_T}found" >&6 else AUTOHEADER="$missing_dir/missing autoheader" echo "$as_me:1192: result: missing" >&5 echo "${ECHO_T}missing" >&6 fi echo "$as_me:1196: checking for working makeinfo" >&5 echo $ECHO_N "checking for working makeinfo... $ECHO_C" >&6 # Run test in a subshell; some versions of sh will print an error if # an executable is not found, even if stderr is redirected. # Redirect stdin to placate older versions of autoconf. Sigh. if (makeinfo --version) < /dev/null > /dev/null 2>&1; then MAKEINFO=makeinfo echo "$as_me:1203: result: found" >&5 echo "${ECHO_T}found" >&6 else MAKEINFO="$missing_dir/missing makeinfo" echo "$as_me:1207: result: missing" >&5 echo "${ECHO_T}missing" >&6 fi ac_config_headers="$ac_config_headers config.h" ac_config_commands="$ac_config_commands default-1" if test "$prefix" = "NONE"; then prefix="/usr/local" fi for ac_prog in mawk gawk nawk awk do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo "$as_me:1223: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_AWK+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$AWK"; then ac_cv_prog_AWK="$AWK" # Let the user override the test. else ac_save_IFS=$IFS; IFS=$ac_path_separator ac_dummy="$PATH" for ac_dir in $ac_dummy; do IFS=$ac_save_IFS test -z "$ac_dir" && ac_dir=. $as_executable_p "$ac_dir/$ac_word" || continue ac_cv_prog_AWK="$ac_prog" echo "$as_me:1238: found $ac_dir/$ac_word" >&5 break done fi fi AWK=$ac_cv_prog_AWK if test -n "$AWK"; then echo "$as_me:1246: result: $AWK" >&5 echo "${ECHO_T}$AWK" >&6 else echo "$as_me:1249: result: no" >&5 echo "${ECHO_T}no" >&6 fi test -n "$AWK" && break done 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:1264: 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="$CC" # Let the user override the test. else ac_save_IFS=$IFS; IFS=$ac_path_separator ac_dummy="$PATH" for ac_dir in $ac_dummy; do IFS=$ac_save_IFS test -z "$ac_dir" && ac_dir=. $as_executable_p "$ac_dir/$ac_word" || continue ac_cv_prog_CC="${ac_tool_prefix}gcc" echo "$as_me:1279: found $ac_dir/$ac_word" >&5 break done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:1287: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:1290: 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:1299: 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="$ac_ct_CC" # Let the user override the test. else ac_save_IFS=$IFS; IFS=$ac_path_separator ac_dummy="$PATH" for ac_dir in $ac_dummy; do IFS=$ac_save_IFS test -z "$ac_dir" && ac_dir=. $as_executable_p "$ac_dir/$ac_word" || continue ac_cv_prog_ac_ct_CC="gcc" echo "$as_me:1314: found $ac_dir/$ac_word" >&5 break done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:1322: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:1325: 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:1338: 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="$CC" # Let the user override the test. else ac_save_IFS=$IFS; IFS=$ac_path_separator ac_dummy="$PATH" for ac_dir in $ac_dummy; do IFS=$ac_save_IFS test -z "$ac_dir" && ac_dir=. $as_executable_p "$ac_dir/$ac_word" || continue ac_cv_prog_CC="${ac_tool_prefix}cc" echo "$as_me:1353: found $ac_dir/$ac_word" >&5 break done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:1361: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:1364: 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:1373: 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="$ac_ct_CC" # Let the user override the test. else ac_save_IFS=$IFS; IFS=$ac_path_separator ac_dummy="$PATH" for ac_dir in $ac_dummy; do IFS=$ac_save_IFS test -z "$ac_dir" && ac_dir=. $as_executable_p "$ac_dir/$ac_word" || continue ac_cv_prog_ac_ct_CC="cc" echo "$as_me:1388: found $ac_dir/$ac_word" >&5 break done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:1396: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:1399: 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:1412: 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="$CC" # Let the user override the test. else ac_prog_rejected=no ac_save_IFS=$IFS; IFS=$ac_path_separator ac_dummy="$PATH" for ac_dir in $ac_dummy; do IFS=$ac_save_IFS test -z "$ac_dir" && ac_dir=. $as_executable_p "$ac_dir/$ac_word" || continue if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" echo "$as_me:1432: found $ac_dir/$ac_word" >&5 break 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 $# != 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift set dummy "$ac_dir/$ac_word" ${1+"$@"} shift ac_cv_prog_CC="$@" fi fi fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:1454: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:1457: 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:1468: 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="$CC" # Let the user override the test. else ac_save_IFS=$IFS; IFS=$ac_path_separator ac_dummy="$PATH" for ac_dir in $ac_dummy; do IFS=$ac_save_IFS test -z "$ac_dir" && ac_dir=. $as_executable_p "$ac_dir/$ac_word" || continue ac_cv_prog_CC="$ac_tool_prefix$ac_prog" echo "$as_me:1483: found $ac_dir/$ac_word" >&5 break done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:1491: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:1494: 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:1507: 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="$ac_ct_CC" # Let the user override the test. else ac_save_IFS=$IFS; IFS=$ac_path_separator ac_dummy="$PATH" for ac_dir in $ac_dummy; do IFS=$ac_save_IFS test -z "$ac_dir" && ac_dir=. $as_executable_p "$ac_dir/$ac_word" || continue ac_cv_prog_ac_ct_CC="$ac_prog" echo "$as_me:1522: found $ac_dir/$ac_word" >&5 break done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:1530: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:1533: 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 "$as_me:1545: error: no acceptable cc found in \$PATH" >&5 echo "$as_me: error: no acceptable cc found in \$PATH" >&2;} { (exit 1); exit 1; }; } # Provide some information about the compiler. echo "$as_me:1550:" \ "checking for C compiler version" >&5 ac_compiler=`set X $ac_compile; echo $2` { (eval echo "$as_me:1553: \"$ac_compiler --version &5\"") >&5 (eval $ac_compiler --version &5) 2>&5 ac_status=$? echo "$as_me:1556: \$? = $ac_status" >&5 (exit $ac_status); } { (eval echo "$as_me:1558: \"$ac_compiler -v &5\"") >&5 (eval $ac_compiler -v &5) 2>&5 ac_status=$? echo "$as_me:1561: \$? = $ac_status" >&5 (exit $ac_status); } { (eval echo "$as_me:1563: \"$ac_compiler -V &5\"") >&5 (eval $ac_compiler -V &5) 2>&5 ac_status=$? echo "$as_me:1566: \$? = $ac_status" >&5 (exit $ac_status); } cat >conftest.$ac_ext <<_ACEOF #line 1570 "configure" #include "confdefs.h" int main () { ; return 0; } _ACEOF ac_clean_files_save=$ac_clean_files ac_clean_files="$ac_clean_files a.out a.exe" # 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:1586: checking for C compiler default output" >&5 echo $ECHO_N "checking for C compiler default output... $ECHO_C" >&6 ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` if { (eval echo "$as_me:1589: \"$ac_link_default\"") >&5 (eval $ac_link_default) 2>&5 ac_status=$? echo "$as_me:1592: \$? = $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. for ac_file in `ls a.exe conftest.exe 2>/dev/null; ls a.out conftest 2>/dev/null; ls a.* conftest.* 2>/dev/null`; do case $ac_file in *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;; a.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 --akim. export ac_cv_exeext break;; * ) break;; esac done else echo "$as_me: failed program was:" >&5 cat conftest.$ac_ext >&5 { { echo "$as_me:1615: error: C compiler cannot create executables" >&5 echo "$as_me: error: C compiler cannot create executables" >&2;} { (exit 77); exit 77; }; } fi ac_exeext=$ac_cv_exeext echo "$as_me:1621: result: $ac_file" >&5 echo "${ECHO_T}$ac_file" >&6 # Check the compiler produces executables we can run. If not, either # the compiler is broken, or we cross compile. echo "$as_me:1626: checking whether the C compiler works" >&5 echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6 # FIXME: These cross compiler hacks should be removed for Autoconf 3.0 # If not cross compiling, check that we can run a simple program. if test "$cross_compiling" != yes; then if { ac_try='./$ac_file' { (eval echo "$as_me:1632: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:1635: \$? = $ac_status" >&5 (exit $ac_status); }; }; then cross_compiling=no else if test "$cross_compiling" = maybe; then cross_compiling=yes else { { echo "$as_me:1642: error: cannot run C compiled programs. If you meant to cross compile, use \`--host'." >&5 echo "$as_me: error: cannot run C compiled programs. If you meant to cross compile, use \`--host'." >&2;} { (exit 1); exit 1; }; } fi fi fi echo "$as_me:1650: result: yes" >&5 echo "${ECHO_T}yes" >&6 rm -f a.out a.exe conftest$ac_cv_exeext ac_clean_files=$ac_clean_files_save # Check the compiler produces executables we can run. If not, either # the compiler is broken, or we cross compile. echo "$as_me:1657: checking whether we are cross compiling" >&5 echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6 echo "$as_me:1659: result: $cross_compiling" >&5 echo "${ECHO_T}$cross_compiling" >&6 echo "$as_me:1662: checking for executable suffix" >&5 echo $ECHO_N "checking for executable suffix... $ECHO_C" >&6 if { (eval echo "$as_me:1664: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:1667: \$? = $ac_status" >&5 (exit $ac_status); }; then # If both `conftest.exe' and `conftest' are `present' (well, observable) # catch `conftest.exe'. 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then CPP= fi if test -z "$CPP"; then if test "${ac_cv_prog_CPP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else # Double quotes because CPP needs to be expanded for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" do ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF #line 2329 "configure" #include "confdefs.h" #include Syntax error _ACEOF if { (eval echo "$as_me:2334: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? egrep -v '^ *\+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:2340: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_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 cat 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.$ac_ext <<_ACEOF #line 2363 "configure" #include "confdefs.h" #include _ACEOF if { (eval echo "$as_me:2367: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? egrep -v '^ *\+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:2373: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_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 cat 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:2410: result: $CPP" >&5 echo "${ECHO_T}$CPP" >&6 ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF #line 2420 "configure" #include "confdefs.h" #include Syntax error _ACEOF if { (eval echo "$as_me:2425: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? egrep -v '^ *\+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:2431: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_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 cat 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.$ac_ext <<_ACEOF #line 2454 "configure" #include "confdefs.h" #include _ACEOF if { (eval echo "$as_me:2458: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? egrep -v '^ *\+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:2464: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_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 cat 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:2492: error: C preprocessor \"$CPP\" fails sanity check" >&5 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check" >&2;} { (exit 1); exit 1; }; } fi ac_ext=c ac_cpp='$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:2503: 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 #line 2509 "configure" #include "confdefs.h" #include #include #include #include _ACEOF if { (eval echo "$as_me:2517: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? egrep -v '^ *\+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:2523: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then ac_cv_header_stdc=yes else echo "$as_me: failed program was:" >&5 cat conftest.$ac_ext >&5 ac_cv_header_stdc=no fi rm -f conftest.err conftest.$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 #line 2545 "configure" #include "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 #line 2563 "configure" #include "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.$ac_ext <<_ACEOF #line 2584 "configure" #include "confdefs.h" #include #if ((' ' & 0x0FF) == 0x020) # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) #else # define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } _ACEOF rm -f conftest$ac_exeext if { (eval echo "$as_me:2610: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:2613: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (eval echo "$as_me:2615: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:2618: \$? = $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 cat conftest.$ac_ext >&5 ac_cv_header_stdc=no fi rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi fi echo "$as_me:2631: result: $ac_cv_header_stdc" >&5 echo "${ECHO_T}$ac_cv_header_stdc" >&6 if test $ac_cv_header_stdc = yes; then cat >>confdefs.h <<\EOF #define STDC_HEADERS 1 EOF fi for ac_header in paths.h sys/ioctl.h syslog.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` echo "$as_me:2644: 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 #line 2650 "configure" #include "confdefs.h" #include <$ac_header> _ACEOF if { (eval echo "$as_me:2654: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? egrep -v '^ *\+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:2660: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then eval "$as_ac_Header=yes" else echo "$as_me: failed program was:" >&5 cat conftest.$ac_ext >&5 eval "$as_ac_Header=no" fi rm -f conftest.err conftest.$ac_ext fi echo "$as_me:2679: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <&5 echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6 if test "${ac_cv_prog_cc_stdc+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_prog_cc_stdc=no ac_save_CC=$CC cat >conftest.$ac_ext <<_ACEOF #line 2697 "configure" #include "confdefs.h" #include #include #include #include /* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ struct buf { int x; }; FILE * (*rcsopen) (struct buf *, struct stat *, int); static char *e (p, i) char **p; int i; { return p[i]; } static char *f (char * (*g) (char **, int), char **p, ...) { char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s; } int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);}; int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); int argc; char **argv; int main () { return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; ; return 0; } _ACEOF # Don't try gcc -ansi; that turns off useful extensions and # breaks some systems' header files. # AIX -qlanglvl=ansi # Ultrix and OSF/1 -std1 # HP-UX 10.20 and later -Ae # HP-UX older versions -Aa -D_HPUX_SOURCE # SVR4 -Xc -D__EXTENSIONS__ for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" do CC="$ac_save_CC $ac_arg" rm -f conftest.$ac_objext if { (eval echo "$as_me:2746: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:2749: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:2752: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:2755: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_prog_cc_stdc=$ac_arg break else echo "$as_me: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -f conftest.$ac_objext done rm -f conftest.$ac_ext conftest.$ac_objext CC=$ac_save_CC fi case "x$ac_cv_prog_cc_stdc" in x|xno) echo "$as_me:2772: result: none needed" >&5 echo "${ECHO_T}none needed" >&6 ;; *) echo "$as_me:2775: result: $ac_cv_prog_cc_stdc" >&5 echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6 CC="$CC $ac_cv_prog_cc_stdc" ;; esac echo "$as_me:2780: 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 #line 2786 "configure" #include "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:2844: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:2847: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:2850: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:2853: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_c_const=yes else echo "$as_me: failed program was:" >&5 cat conftest.$ac_ext >&5 ac_cv_c_const=no fi rm -f conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:2863: result: $ac_cv_c_const" >&5 echo "${ECHO_T}$ac_cv_c_const" >&6 if test $ac_cv_c_const = no; then cat >>confdefs.h <<\EOF #define const EOF fi echo "$as_me:2873: checking whether time.h and sys/time.h may both be included" >&5 echo $ECHO_N "checking whether time.h and sys/time.h may both be included... $ECHO_C" >&6 if test "${ac_cv_header_time+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF #line 2879 "configure" #include "confdefs.h" #include #include #include int main () { if ((struct tm *) 0) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:2895: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:2898: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:2901: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:2904: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_header_time=yes else echo "$as_me: failed program was:" >&5 cat conftest.$ac_ext >&5 ac_cv_header_time=no fi rm -f conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:2914: result: $ac_cv_header_time" >&5 echo "${ECHO_T}$ac_cv_header_time" >&6 if test $ac_cv_header_time = yes; then cat >>confdefs.h <<\EOF #define TIME_WITH_SYS_TIME 1 EOF fi if test $ac_cv_c_compiler_gnu = yes; then echo "$as_me:2925: checking whether $CC needs -traditional" >&5 echo $ECHO_N "checking whether $CC needs -traditional... $ECHO_C" >&6 if test "${ac_cv_prog_gcc_traditional+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_pattern="Autoconf.*'x'" cat >conftest.$ac_ext <<_ACEOF #line 2932 "configure" #include "confdefs.h" #include Autoconf TIOCGETP _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "$ac_pattern" >/dev/null 2>&1; then ac_cv_prog_gcc_traditional=yes else ac_cv_prog_gcc_traditional=no fi rm -f conftest* if test $ac_cv_prog_gcc_traditional = no; then cat >conftest.$ac_ext <<_ACEOF #line 2947 "configure" #include "confdefs.h" #include Autoconf TCGETA _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "$ac_pattern" >/dev/null 2>&1; then ac_cv_prog_gcc_traditional=yes fi rm -f conftest* fi fi echo "$as_me:2960: result: $ac_cv_prog_gcc_traditional" >&5 echo "${ECHO_T}$ac_cv_prog_gcc_traditional" >&6 if test $ac_cv_prog_gcc_traditional = yes; then CC="$CC -traditional" fi fi if test "$GCC" = yes; then CFLAGS="$CFLAGS -Wall" fi echo "$as_me:2971: checking return type of signal handlers" >&5 echo $ECHO_N "checking return type of signal handlers... $ECHO_C" >&6 if test "${ac_cv_type_signal+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF #line 2977 "configure" #include "confdefs.h" #include #include #ifdef signal # undef signal #endif #ifdef __cplusplus extern "C" void (*signal (int, void (*)(int)))(int); #else void (*signal ()) (); #endif int main () { int i; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:2999: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? 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AC_CHECK_LIB(socket, socket) AC_CHECK_LIB(nsl, gethostbyname) dnl Checks for (installed) libdnet AC_MSG_CHECKING(for libdnet) AC_ARG_WITH(libdnet, [ --with-libdnet=DIR use libdnet in DIR], [ case "$withval" in yes|no) AC_MSG_RESULT(no) ;; *) AC_MSG_RESULT($withval) if test -f $withval/src/libdnet.a; then DNETINC="-I$withval/include" DNETLIB="-L$withval/src -ldnet `$withval/dnet-config --libs`" elif test -x $withval/bin/dnet-config; then DNETINC="`$withval/bin/dnet-config --cflags`" DNETLIB="`$withval/bin/dnet-config --libs`" else AC_ERROR(dnet-config not found in $withval/bin) fi ;; esac ], [ if test -x ${prefix}/bin/dnet-config; then DNETINC="`${prefix}/bin/dnet-config --cflags`" DNETLIB="`${prefix}/bin/dnet-config --libs`" else AC_MSG_RESULT(no) AC_ERROR(libdnet not found) fi AC_MSG_RESULT(yes) ] ) AC_SUBST(DNETINC) AC_SUBST(DNETLIB) dnl Checks for libevent AC_MSG_CHECKING(for libevent) AC_ARG_WITH(libevent, [ --with-libevent=DIR use libevent in DIR], [ case "$withval" in yes|no) AC_MSG_RESULT(no) ;; *) AC_MSG_RESULT($withval) if test -f $withval/include/event.h -a -f $withval/lib/libevent.a; then owd=`pwd` if cd $withval; then withval=`pwd`; cd $owd; fi EVENTINC="-I$withval/include" EVENTLIB="-L$withval/lib -levent" elif test -f $withval/event.h -a -f $withval/libevent.a; then owd=`pwd` if cd $withval; then withval=`pwd`; cd $owd; fi EVENTINC="-I$withval" EVENTLIB="-L$withval -levent" else AC_ERROR(event.h or libevent.a not found in $withval) fi ;; esac ], [ if test -f ${prefix}/include/event.h -a -f ${prefix}/lib/libevent.a; then EVENTINC="-I${prefix}/include" EVENTLIB="-L${prefix}/lib -levent" else AC_MSG_RESULT(no) AC_ERROR(libevent not found) fi AC_MSG_RESULT(yes) ] ) AC_SUBST(EVENTINC) AC_SUBST(EVENTLIB) dnl Checks for libpcap AC_MSG_CHECKING(for libpcap) AC_ARG_WITH(libpcap, [ --with-libpcap=DIR use libpcap in DIR], [ case "$withval" in yes|no) AC_MSG_RESULT(no) ;; *) AC_MSG_RESULT($withval) if test -f $withval/pcap.h -a -f $withval/libpcap.a; then owd=`pwd` if cd $withval; then withval=`pwd`; cd $owd; fi PCAPINC="-I$withval -I$withval/bpf" PCAPLIB="-L$withval -lpcap" elif test -f $withval/include/pcap.h -a \ -f $withval/include/net/bpf.h; then owd=`pwd` if cd $withval; then withval=`pwd`; cd $owd; fi PCAPINC="-I$withval/include" if test -f $withval/lib/libwpcap.a; then PCAPLIB="-L$withval/lib -lwpcap" else PCAPLIB="-L$withval/lib -lpcap" fi else AC_ERROR(pcap.h, net/bpf.h, or libpcap.a not found in $withval) fi ;; esac ], [ if test -f ${prefix}/include/pcap.h; then PCAPINC="-I${prefix}/include" if test -f ${prefix}/lib/libwpcap.a; then PCAPLIB="-L${prefix}/lib -lwpcap" else PCAPLIB="-L${prefix}/lib -lpcap" fi elif test -f /usr/include/pcap/pcap.h; then PCAPINC="-I/usr/include/pcap" PCAPLIB="-lpcap" elif test -f /usr/include/pcap.h; then PCAPLIB="-lpcap" else AC_MSG_RESULT(no) AC_ERROR(libpcap not found) fi AC_MSG_RESULT(yes) ] ) AC_SUBST(PCAPINC) AC_SUBST(PCAPLIB) dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS(paths.h sys/ioctl.h syslog.h unistd.h) dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_HEADER_TIME AC_PROG_GCC_TRADITIONAL if test "$GCC" = yes; then CFLAGS="$CFLAGS -Wall" fi dnl Checks for library functions. AC_TYPE_SIGNAL AC_REPLACE_FUNCS(daemon) CFLAGS=$DNETINC LIBS=$DNETLIB dnl see if dnet works AC_MSG_CHECKING(for working addr_cmp in libdnet) AC_TRY_RUN( #include #include #include int main(int argc, char **argv) { struct addr a1; struct addr a2; memset(&a1, 0, sizeof(a1)); memset(&a2, 0, sizeof(a2)); a1.addr_type = a2.addr_type = ADDR_TYPE_IP; a1.addr_bits = a2.addr_bits = IP_ADDR_BITS; memset(&a2.addr_ip, 1, sizeof(a2.addr_ip)); exit(addr_cmp(&a1, &a2) > 0); }, AC_MSG_RESULT(yes), [ AC_MSG_RESULT(no) AC_DEFINE(HAVE_BROKEN_DNET) ], AC_MSG_RESULT(yes)) AC_OUTPUT(Makefile) farpd-0.2/daemon.c0100644000175000017500000000441307456572352012226 0ustar jfsjfs/*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include int daemon(int nochdir, int noclose) { int fd; switch (fork()) { case -1: return (-1); case 0: break; default: _exit(0); } if (setsid() == -1) return (-1); if (!nochdir) chdir("/"); if (!noclose && (fd = open("/dev/null", O_RDWR, 0)) != -1) { dup2(fd, STDIN_FILENO); dup2(fd, STDOUT_FILENO); dup2(fd, STDERR_FILENO); if (fd > 2) close (fd); } return (0); } farpd-0.2/err.h0100644000175000017500000000421607456572352011561 0ustar jfsjfs/* * err.h * * Adapted from OpenBSD libc *err* *warn* code. * * Copyright (c) 2000 Dug Song * * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)err.h 8.1 (Berkeley) 6/2/93 */ #ifndef _ERR_H_ #define _ERR_H_ void err(int eval, const char *fmt, ...); void warn(const char *fmt, ...); void errx(int eval, const char *fmt, ...); void warnx(const char *fmt, ...); #endif /* !_ERR_H_ */ farpd-0.2/install-sh0100755000175000017500000001272007456572352012623 0ustar jfsjfs#!/bin/sh # # install - install a program, script, or datafile # This comes from X11R5 (mit/util/scripts/install.sh). # # Copyright 1991 by the Massachusetts Institute of Technology # # Permission to use, copy, modify, distribute, and sell this software and its # documentation for any purpose is hereby granted without fee, provided that # the above copyright notice appear in all copies and that both that # copyright notice and this permission notice appear in supporting # documentation, and that the name of M.I.T. not be used in advertising or # publicity pertaining to distribution of the software without specific, # written prior permission. M.I.T. makes no representations about the # suitability of this software for any purpose. It is provided "as is" # without express or implied warranty. # # 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. It can only install one file at a time, a restriction # shared with many OS's install programs. # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit="${DOITPROG-}" # put in absolute paths if you don't have them in your path; or use env. vars. mvprog="${MVPROG-mv}" cpprog="${CPPROG-cp}" chmodprog="${CHMODPROG-chmod}" chownprog="${CHOWNPROG-chown}" chgrpprog="${CHGRPPROG-chgrp}" stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" transformbasename="" transform_arg="" instcmd="$mvprog" chmodcmd="$chmodprog 0755" chowncmd="" chgrpcmd="" stripcmd="" rmcmd="$rmprog -f" mvcmd="$mvprog" src="" dst="" dir_arg="" while [ x"$1" != x ]; do case $1 in -c) instcmd="$cpprog" shift continue;; -d) dir_arg=true shift continue;; -m) chmodcmd="$chmodprog $2" shift shift continue;; -o) chowncmd="$chownprog $2" shift shift continue;; -g) chgrpcmd="$chgrpprog $2" shift shift continue;; -s) stripcmd="$stripprog" shift continue;; -t=*) transformarg=`echo $1 | sed 's/-t=//'` shift continue;; -b=*) transformbasename=`echo $1 | sed 's/-b=//'` shift continue;; *) if [ x"$src" = x ] then src=$1 else # this colon is to work around a 386BSD /bin/sh bug : dst=$1 fi shift continue;; esac done if [ x"$src" = x ] then echo "install: no input file specified" exit 1 else true fi if [ x"$dir_arg" != x ]; then dst=$src src="" if [ -d $dst ]; then instcmd=: else instcmd=mkdir fi else # Waiting for this to be detected by the "$instcmd $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. if [ -f $src -o -d $src ] then true else echo "install: $src does not exist" exit 1 fi if [ x"$dst" = x ] then echo "install: no destination specified" exit 1 else true fi # If destination is a directory, append the input filename; if your system # does not like double slashes in filenames, you may need to add some logic if [ -d $dst ] then dst="$dst"/`basename $src` else true fi fi ## this sed command emulates the dirname command dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` # Make sure that the destination directory exists. # this part is taken from Noah Friedman's mkinstalldirs script # Skip lots of stat calls in the usual case. if [ ! -d "$dstdir" ]; then defaultIFS=' ' IFS="${IFS-${defaultIFS}}" oIFS="${IFS}" # Some sh's can't handle IFS=/ for some reason. IFS='%' set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'` IFS="${oIFS}" pathcomp='' while [ $# -ne 0 ] ; do pathcomp="${pathcomp}${1}" shift if [ ! -d "${pathcomp}" ] ; then $mkdirprog "${pathcomp}" else true fi pathcomp="${pathcomp}/" done fi if [ x"$dir_arg" != x ] then $doit $instcmd $dst && if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi else # If we're going to rename the final executable, determine the name now. if [ x"$transformarg" = x ] then dstfile=`basename $dst` else dstfile=`basename $dst $transformbasename | sed $transformarg`$transformbasename fi # don't allow the sed command to completely eliminate the filename if [ x"$dstfile" = x ] then dstfile=`basename $dst` else true fi # Make a temp file name in the proper directory. dsttmp=$dstdir/#inst.$$# # Move or copy the file name to the temp name $doit $instcmd $src $dsttmp && trap "rm -f ${dsttmp}" 0 && # and set any options; do chmod last to preserve setuid bits # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $instcmd $src $dsttmp" command. if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi && # Now rename the file to the real destination. $doit $rmcmd -f $dstdir/$dstfile && $doit $mvcmd $dsttmp $dstdir/$dstfile fi && exit 0 farpd-0.2/missing0100755000175000017500000001420207456572352012213 0ustar jfsjfs#! /bin/sh # Common stub for a few missing GNU programs while installing. # Copyright (C) 1996, 1997 Free Software Foundation, Inc. # Franc,ois Pinard , 1996. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. if test $# -eq 0; then echo 1>&2 "Try \`$0 --help' for more information" exit 1 fi case "$1" in -h|--h|--he|--hel|--help) echo "\ $0 [OPTION]... PROGRAM [ARGUMENT]... Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an error status if there is no known handling for PROGRAM. Options: -h, --help display this help and exit -v, --version output version information and exit Supported PROGRAM values: aclocal touch file \`aclocal.m4' autoconf touch file \`configure' autoheader touch file \`config.h.in' automake touch all \`Makefile.in' files bison create \`y.tab.[ch]', if possible, from existing .[ch] flex create \`lex.yy.c', if possible, from existing .c lex create \`lex.yy.c', if possible, from existing .c makeinfo touch the output file yacc create \`y.tab.[ch]', if possible, from existing .[ch]" ;; -v|--v|--ve|--ver|--vers|--versi|--versio|--version) echo "missing - GNU libit 0.0" ;; -*) echo 1>&2 "$0: Unknown \`$1' option" echo 1>&2 "Try \`$0 --help' for more information" exit 1 ;; aclocal) echo 1>&2 "\ WARNING: \`$1' is missing on your system. You should only need it if you modified \`acinclude.m4' or \`configure.in'. You might want to install the \`Automake' and \`Perl' packages. Grab them from any GNU archive site." touch aclocal.m4 ;; autoconf) echo 1>&2 "\ WARNING: \`$1' is missing on your system. You should only need it if you modified \`configure.in'. You might want to install the \`Autoconf' and \`GNU m4' packages. Grab them from any GNU archive site." touch configure ;; autoheader) echo 1>&2 "\ WARNING: \`$1' is missing on your system. You should only need it if you modified \`acconfig.h' or \`configure.in'. You might want to install the \`Autoconf' and \`GNU m4' packages. Grab them from any GNU archive site." files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER([^):]*:\([^)]*\)).*/\1/p' configure.in` if test -z "$files"; then files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^):]*\)).*/\1/p' configure.in` test -z "$files" || files="$files.in" else files=`echo "$files" | sed -e 's/:/ /g'` fi test -z "$files" && files="config.h.in" touch $files ;; automake) echo 1>&2 "\ WARNING: \`$1' is missing on your system. You should only need it if you modified \`Makefile.am', \`acinclude.m4' or \`configure.in'. You might want to install the \`Automake' and \`Perl' packages. Grab them from any GNU archive site." find . -type f -name Makefile.am -print \ | sed 's/^\(.*\).am$/touch \1.in/' \ | sh ;; bison|yacc) echo 1>&2 "\ WARNING: \`$1' is missing on your system. You should only need it if you modified a \`.y' file. You may need the \`Bison' package in order for those modifications to take effect. You can get \`Bison' from any GNU archive site." rm -f y.tab.c y.tab.h if [ $# -ne 1 ]; then eval LASTARG="\${$#}" case "$LASTARG" in *.y) SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` if [ -f "$SRCFILE" ]; then cp "$SRCFILE" y.tab.c fi SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` if [ -f "$SRCFILE" ]; then cp "$SRCFILE" y.tab.h fi ;; esac fi if [ ! -f y.tab.h ]; then echo >y.tab.h fi if [ ! -f y.tab.c ]; then echo 'main() { return 0; }' >y.tab.c fi ;; lex|flex) echo 1>&2 "\ WARNING: \`$1' is missing on your system. You should only need it if you modified a \`.l' file. You may need the \`Flex' package in order for those modifications to take effect. You can get \`Flex' from any GNU archive site." rm -f lex.yy.c if [ $# -ne 1 ]; then eval LASTARG="\${$#}" case "$LASTARG" in *.l) SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` if [ -f "$SRCFILE" ]; then cp "$SRCFILE" lex.yy.c fi ;; esac fi if [ ! -f lex.yy.c ]; then echo 'main() { return 0; }' >lex.yy.c fi ;; makeinfo) echo 1>&2 "\ WARNING: \`$1' is missing on your system. You should only need it if you modified a \`.texi' or \`.texinfo' file, or any other file indirectly affecting the aspect of the manual. The spurious call might also be the consequence of using a buggy \`make' (AIX, DU, IRIX). You might want to install the \`Texinfo' package or the \`GNU make' package. Grab either from any GNU archive site." file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'` if test -z "$file"; then file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file` fi touch $file ;; *) echo 1>&2 "\ WARNING: \`$1' is needed, and you do not seem to have it handy on your system. You might have modified some files without having the proper tools for further handling them. Check the \`README' file, it often tells you about the needed prerequirements for installing this package. You may also peek at any GNU archive site, in case some other package would contain this missing \`$1' program." exit 1 ;; esac exit 0 farpd-0.2/mkinstalldirs0100755000175000017500000000133207456572352013422 0ustar jfsjfs#! /bin/sh # mkinstalldirs --- make directory hierarchy # Author: Noah Friedman # Created: 1993-05-16 # Public domain # $Id: mkinstalldirs,v 1.1 2002/04/15 15:42:34 dugsong Exp $ errstatus=0 for file do set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'` shift pathcomp= for d do pathcomp="$pathcomp$d" case "$pathcomp" in -* ) pathcomp=./$pathcomp ;; esac if test ! -d "$pathcomp"; then echo "mkdir $pathcomp" 1>&2 mkdir "$pathcomp" || lasterr=$? if test ! -d "$pathcomp"; then errstatus=$lasterr fi fi pathcomp="$pathcomp/" done done exit $errstatus # mkinstalldirs ends here farpd-0.2/stamp-h.in0100644000175000017500000000001207456572352012507 0ustar jfsjfstimestamp farpd-0.2/tree.h0100644000175000017500000005316007456572352011732 0ustar jfsjfs/* * Copyright 2002 Niels Provos * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SYS_TREE_H_ #define _SYS_TREE_H_ /* * This file defines data structures for different types of trees: * splay trees and red-black trees. * * A splay tree is a self-organizing data structure. Every operation * on the tree causes a splay to happen. The splay moves the requested * node to the root of the tree and partly rebalances it. * * This has the benefit that request locality causes faster lookups as * the requested nodes move to the top of the tree. On the other hand, * every lookup causes memory writes. * * The Balance Theorem bounds the total access time for m operations * and n inserts on an initially empty tree as O((m + n)lg n). The * amortized cost for a sequence of m accesses to a splay tree is O(lg n); * * A red-black tree is a binary search tree with the node color as an * extra attribute. It fulfills a set of conditions: * - every search path from the root to a leaf consists of the * same number of black nodes, * - each red node (except for the root) has a black parent, * - each leaf node is black. * * Every operation on a red-black tree is bounded as O(lg n). * The maximum height of a red-black tree is 2lg (n+1). */ #define SPLAY_HEAD(name, type) \ struct name { \ struct type *sph_root; /* root of the tree */ \ } #define SPLAY_INIT(root) do { \ (root)->sph_root = NULL; \ } while (0) #define SPLAY_ENTRY(type) \ struct { \ struct type *spe_left; /* left element */ \ struct type *spe_right; /* right element */ \ } #define SPLAY_LEFT(elm, field) (elm)->field.spe_left #define SPLAY_RIGHT(elm, field) (elm)->field.spe_right #define SPLAY_ROOT(head) (head)->sph_root /* SPLAY_ROTATE_{LEFT,RIGHT} expect that tmp hold SPLAY_{RIGHT,LEFT} */ #define SPLAY_ROTATE_RIGHT(head, tmp, field) do { \ SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(tmp, field); \ SPLAY_RIGHT(tmp, field) = (head)->sph_root; \ (head)->sph_root = tmp; \ } while (0) #define SPLAY_ROTATE_LEFT(head, tmp, field) do { \ SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(tmp, field); \ SPLAY_LEFT(tmp, field) = (head)->sph_root; \ (head)->sph_root = tmp; \ } while (0) #define SPLAY_LINKLEFT(head, tmp, field) do { \ SPLAY_LEFT(tmp, field) = (head)->sph_root; \ tmp = (head)->sph_root; \ (head)->sph_root = SPLAY_LEFT((head)->sph_root, field); \ } while (0) #define SPLAY_LINKRIGHT(head, tmp, field) do { \ SPLAY_RIGHT(tmp, field) = (head)->sph_root; \ tmp = (head)->sph_root; \ (head)->sph_root = SPLAY_RIGHT((head)->sph_root, field); \ } while (0) #define SPLAY_ASSEMBLE(head, node, left, right, field) do { \ SPLAY_RIGHT(left, field) = SPLAY_LEFT((head)->sph_root, field); \ SPLAY_LEFT(right, field) = SPLAY_RIGHT((head)->sph_root, field);\ SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(node, field); \ SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(node, field); \ } while (0) /* Generates prototypes and inline functions */ #define SPLAY_PROTOTYPE(name, type, field, cmp) \ void name##_SPLAY(struct name *, struct type *); \ void name##_SPLAY_MINMAX(struct name *, int); \ \ static __inline void \ name##_SPLAY_INSERT(struct name *head, struct type *elm) \ { \ if ((head)->sph_root == NULL) { \ SPLAY_LEFT(elm, field) = SPLAY_RIGHT(elm, field) = NULL; \ } else { \ int __comp; \ name##_SPLAY(head, elm); \ __comp = (cmp)(elm, (head)->sph_root); \ if(__comp < 0) { \ SPLAY_LEFT(elm, field) = SPLAY_LEFT((head)->sph_root, field);\ SPLAY_RIGHT(elm, field) = (head)->sph_root; \ SPLAY_LEFT((head)->sph_root, field) = NULL; \ } else if (__comp > 0) { \ SPLAY_RIGHT(elm, field) = SPLAY_RIGHT((head)->sph_root, field);\ SPLAY_LEFT(elm, field) = (head)->sph_root; \ SPLAY_RIGHT((head)->sph_root, field) = NULL; \ } else \ return; \ } \ (head)->sph_root = (elm); \ } \ \ static __inline void \ name##_SPLAY_REMOVE(struct name *head, struct type *elm) \ { \ struct type *__tmp; \ if ((head)->sph_root == NULL) \ return; \ name##_SPLAY(head, elm); \ if ((cmp)(elm, (head)->sph_root) == 0) { \ if (SPLAY_LEFT((head)->sph_root, field) == NULL) { \ (head)->sph_root = SPLAY_RIGHT((head)->sph_root, field);\ } else { \ __tmp = SPLAY_RIGHT((head)->sph_root, field); \ (head)->sph_root = SPLAY_LEFT((head)->sph_root, field);\ name##_SPLAY(head, elm); \ SPLAY_RIGHT((head)->sph_root, field) = __tmp; \ } \ } \ } \ \ /* Finds the node with the same key as elm */ \ static __inline struct type * \ name##_SPLAY_FIND(struct name *head, struct type *elm) \ { \ if ((head)->sph_root == NULL) \ return(NULL); \ name##_SPLAY(head, elm); \ if ((cmp)(elm, (head)->sph_root) == 0) \ return (head->sph_root); \ return (NULL); \ } \ \ static __inline struct type * \ name##_SPLAY_NEXT(struct name *head, struct type *elm) \ { \ name##_SPLAY(head, elm); \ if (SPLAY_RIGHT(elm, field) != NULL) { \ elm = SPLAY_RIGHT(elm, field); \ while (SPLAY_LEFT(elm, field) != NULL) { \ elm = SPLAY_LEFT(elm, field); \ } \ } else \ elm = NULL; \ return (elm); \ } \ \ static __inline struct type * \ name##_SPLAY_MIN_MAX(struct name *head, int val) \ { \ name##_SPLAY_MINMAX(head, val); \ return (SPLAY_ROOT(head)); \ } /* Main splay operation. * Moves node close to the key of elm to top */ #define SPLAY_GENERATE(name, type, field, cmp) \ void name##_SPLAY(struct name *head, struct type *elm) \ { \ struct type __node, *__left, *__right, *__tmp; \ int __comp; \ \ SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL;\ __left = __right = &__node; \ \ while ((__comp = (cmp)(elm, (head)->sph_root))) { \ if (__comp < 0) { \ __tmp = SPLAY_LEFT((head)->sph_root, field); \ if (__tmp == NULL) \ break; \ if ((cmp)(elm, __tmp) < 0){ \ SPLAY_ROTATE_RIGHT(head, __tmp, field); \ if (SPLAY_LEFT((head)->sph_root, field) == NULL)\ break; \ } \ SPLAY_LINKLEFT(head, __right, field); \ } else if (__comp > 0) { \ __tmp = SPLAY_RIGHT((head)->sph_root, field); \ if (__tmp == NULL) \ break; \ if ((cmp)(elm, __tmp) > 0){ \ SPLAY_ROTATE_LEFT(head, __tmp, field); \ if (SPLAY_RIGHT((head)->sph_root, field) == NULL)\ break; \ } \ SPLAY_LINKRIGHT(head, __left, field); \ } \ } \ SPLAY_ASSEMBLE(head, &__node, __left, __right, field); \ } \ \ /* Splay with either the minimum or the maximum element \ * Used to find minimum or maximum element in tree. \ */ \ void name##_SPLAY_MINMAX(struct name *head, int __comp) \ { \ struct type __node, *__left, *__right, *__tmp; \ \ SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL;\ __left = __right = &__node; \ \ while (1) { \ if (__comp < 0) { \ __tmp = SPLAY_LEFT((head)->sph_root, field); \ if (__tmp == NULL) \ break; \ if (__comp < 0){ \ SPLAY_ROTATE_RIGHT(head, __tmp, field); \ if (SPLAY_LEFT((head)->sph_root, field) == NULL)\ break; \ } \ SPLAY_LINKLEFT(head, __right, field); \ } else if (__comp > 0) { \ __tmp = SPLAY_RIGHT((head)->sph_root, field); \ if (__tmp == NULL) \ break; \ if (__comp > 0) { \ SPLAY_ROTATE_LEFT(head, __tmp, field); \ if (SPLAY_RIGHT((head)->sph_root, field) == NULL)\ break; \ } \ SPLAY_LINKRIGHT(head, __left, field); \ } \ } \ SPLAY_ASSEMBLE(head, &__node, __left, __right, field); \ } #define SPLAY_NEGINF -1 #define SPLAY_INF 1 #define SPLAY_INSERT(name, x, y) name##_SPLAY_INSERT(x, y) #define SPLAY_REMOVE(name, x, y) name##_SPLAY_REMOVE(x, y) #define SPLAY_FIND(name, x, y) name##_SPLAY_FIND(x, y) #define SPLAY_NEXT(name, x, y) name##_SPLAY_NEXT(x, y) #define SPLAY_MIN(name, x) ((x)->sph_root == NULL ? NULL \ : name##_SPLAY_MIN_MAX(x, SPLAY_NEGINF)) #define SPLAY_MAX(name, x) ((x)->sph_root == NULL ? NULL \ : name##_SPLAY_MIN_MAX(x, SPLAY_INF)) #define SPLAY_FOREACH(x, name, head) \ for ((x) = SPLAY_MIN(name, head); \ (x) != NULL; \ (x) = SPLAY_NEXT(name, head, x)) /* Macros that define a red-back tree */ #define RB_HEAD(name, type) \ struct name { \ struct type *rbh_root; /* root of the tree */ \ } #define RB_INIT(root) do { \ (root)->rbh_root = NULL; \ } while (0) #define RB_BLACK 0 #define RB_RED 1 #define RB_ENTRY(type) \ struct { \ struct type *rbe_left; /* left element */ \ struct type *rbe_right; /* right element */ \ struct type *rbe_parent; /* parent element */ \ int rbe_color; /* node color */ \ } #define RB_LEFT(elm, field) (elm)->field.rbe_left #define RB_RIGHT(elm, field) (elm)->field.rbe_right #define RB_PARENT(elm, field) (elm)->field.rbe_parent #define RB_COLOR(elm, field) (elm)->field.rbe_color #define RB_ROOT(head) (head)->rbh_root #define RB_SET(elm, parent, field) do { \ RB_PARENT(elm, field) = parent; \ RB_LEFT(elm, field) = RB_RIGHT(elm, field) = NULL; \ RB_COLOR(elm, field) = RB_RED; \ } while (0) #define RB_SET_BLACKRED(black, red, field) do { \ RB_COLOR(black, field) = RB_BLACK; \ RB_COLOR(red, field) = RB_RED; \ } while (0) #ifndef RB_AUGMENT #define RB_AUGMENT(x) #endif #define RB_ROTATE_LEFT(head, elm, tmp, field) do { \ (tmp) = RB_RIGHT(elm, field); \ if ((RB_RIGHT(elm, field) = RB_LEFT(tmp, field))) { \ RB_PARENT(RB_LEFT(tmp, field), field) = (elm); \ } \ RB_AUGMENT(elm); \ if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field))) { \ if ((elm) == RB_LEFT(RB_PARENT(elm, field), field)) \ RB_LEFT(RB_PARENT(elm, field), field) = (tmp); \ else \ RB_RIGHT(RB_PARENT(elm, field), field) = (tmp); \ RB_AUGMENT(RB_PARENT(elm, field)); \ } else \ (head)->rbh_root = (tmp); \ RB_LEFT(tmp, field) = (elm); \ RB_PARENT(elm, field) = (tmp); \ RB_AUGMENT(tmp); \ } while (0) #define RB_ROTATE_RIGHT(head, elm, tmp, field) do { \ (tmp) = RB_LEFT(elm, field); \ if ((RB_LEFT(elm, field) = RB_RIGHT(tmp, field))) { \ RB_PARENT(RB_RIGHT(tmp, field), field) = (elm); \ } \ RB_AUGMENT(elm); \ if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field))) { \ if ((elm) == RB_LEFT(RB_PARENT(elm, field), field)) \ RB_LEFT(RB_PARENT(elm, field), field) = (tmp); \ else \ RB_RIGHT(RB_PARENT(elm, field), field) = (tmp); \ RB_AUGMENT(RB_PARENT(elm, field)); \ } else \ (head)->rbh_root = (tmp); \ RB_RIGHT(tmp, field) = (elm); \ RB_PARENT(elm, field) = (tmp); \ RB_AUGMENT(tmp); \ } while (0) /* Generates prototypes and inline functions */ #define RB_PROTOTYPE(name, type, field, cmp) \ void name##_RB_INSERT_COLOR(struct name *, struct type *); \ void name##_RB_REMOVE_COLOR(struct name *, struct type *, struct type *);\ void name##_RB_REMOVE(struct name *, struct type *); \ struct type *name##_RB_INSERT(struct name *, struct type *); \ struct type *name##_RB_FIND(struct name *, struct type *); \ struct type *name##_RB_NEXT(struct name *, struct type *); \ struct type *name##_RB_MINMAX(struct name *, int); \ \ /* Main rb operation. * Moves node close to the key of elm to top */ #define RB_GENERATE(name, type, field, cmp) \ void \ name##_RB_INSERT_COLOR(struct name *head, struct type *elm) \ { \ struct type *parent, *gparent, *tmp; \ while ((parent = RB_PARENT(elm, field)) && \ RB_COLOR(parent, field) == RB_RED) { \ gparent = RB_PARENT(parent, field); \ if (parent == RB_LEFT(gparent, field)) { \ tmp = RB_RIGHT(gparent, field); \ if (tmp && RB_COLOR(tmp, field) == RB_RED) { \ RB_COLOR(tmp, field) = RB_BLACK; \ RB_SET_BLACKRED(parent, gparent, field);\ elm = gparent; \ continue; \ } \ if (RB_RIGHT(parent, field) == elm) { \ RB_ROTATE_LEFT(head, parent, tmp, field);\ tmp = parent; \ parent = elm; \ elm = tmp; \ } \ RB_SET_BLACKRED(parent, gparent, field); \ RB_ROTATE_RIGHT(head, gparent, tmp, field); \ } else { \ tmp = RB_LEFT(gparent, field); \ if (tmp && RB_COLOR(tmp, field) == RB_RED) { \ RB_COLOR(tmp, field) = RB_BLACK; \ RB_SET_BLACKRED(parent, gparent, field);\ elm = gparent; \ continue; \ } \ if (RB_LEFT(parent, field) == elm) { \ RB_ROTATE_RIGHT(head, parent, tmp, field);\ tmp = parent; \ parent = elm; \ elm = tmp; \ } \ RB_SET_BLACKRED(parent, gparent, field); \ RB_ROTATE_LEFT(head, gparent, tmp, field); \ } \ } \ RB_COLOR(head->rbh_root, field) = RB_BLACK; \ } \ \ void \ name##_RB_REMOVE_COLOR(struct name *head, struct type *parent, struct type *elm) \ { \ struct type *tmp; \ while ((elm == NULL || RB_COLOR(elm, field) == RB_BLACK) && \ elm != RB_ROOT(head)) { \ if (RB_LEFT(parent, field) == elm) { \ tmp = RB_RIGHT(parent, field); \ if (RB_COLOR(tmp, field) == RB_RED) { \ RB_SET_BLACKRED(tmp, parent, field); \ RB_ROTATE_LEFT(head, parent, tmp, field);\ tmp = RB_RIGHT(parent, field); \ } \ if ((RB_LEFT(tmp, field) == NULL || \ RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) &&\ (RB_RIGHT(tmp, field) == NULL || \ RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) {\ RB_COLOR(tmp, field) = RB_RED; \ elm = parent; \ parent = RB_PARENT(elm, field); \ } else { \ if (RB_RIGHT(tmp, field) == NULL || \ RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK) {\ struct type *oleft; \ if ((oleft = RB_LEFT(tmp, field)))\ RB_COLOR(oleft, field) = RB_BLACK;\ RB_COLOR(tmp, field) = RB_RED; \ RB_ROTATE_RIGHT(head, tmp, oleft, field);\ tmp = RB_RIGHT(parent, field); \ } \ RB_COLOR(tmp, field) = RB_COLOR(parent, field);\ RB_COLOR(parent, field) = RB_BLACK; \ if (RB_RIGHT(tmp, field)) \ RB_COLOR(RB_RIGHT(tmp, field), field) = RB_BLACK;\ RB_ROTATE_LEFT(head, parent, tmp, field);\ elm = RB_ROOT(head); \ break; \ } \ } else { \ tmp = RB_LEFT(parent, field); \ if (RB_COLOR(tmp, field) == RB_RED) { \ RB_SET_BLACKRED(tmp, parent, field); \ RB_ROTATE_RIGHT(head, parent, tmp, field);\ tmp = RB_LEFT(parent, field); \ } \ if ((RB_LEFT(tmp, field) == NULL || \ RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) &&\ (RB_RIGHT(tmp, field) == NULL || \ RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) {\ RB_COLOR(tmp, field) = RB_RED; \ elm = parent; \ parent = RB_PARENT(elm, field); \ } else { \ if (RB_LEFT(tmp, field) == NULL || \ RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) {\ struct type *oright; \ if ((oright = RB_RIGHT(tmp, field)))\ RB_COLOR(oright, field) = RB_BLACK;\ RB_COLOR(tmp, field) = RB_RED; \ RB_ROTATE_LEFT(head, tmp, oright, field);\ tmp = RB_LEFT(parent, field); \ } \ RB_COLOR(tmp, field) = RB_COLOR(parent, field);\ RB_COLOR(parent, field) = RB_BLACK; \ if (RB_LEFT(tmp, field)) \ RB_COLOR(RB_LEFT(tmp, field), field) = RB_BLACK;\ RB_ROTATE_RIGHT(head, parent, tmp, field);\ elm = RB_ROOT(head); \ break; \ } \ } \ } \ if (elm) \ RB_COLOR(elm, field) = RB_BLACK; \ } \ \ void \ name##_RB_REMOVE(struct name *head, struct type *elm) \ { \ struct type *child, *parent; \ int color; \ if (RB_LEFT(elm, field) == NULL) \ child = RB_RIGHT(elm, field); \ else if (RB_RIGHT(elm, field) == NULL) \ child = RB_LEFT(elm, field); \ else { \ struct type *old = elm, *left; \ elm = RB_RIGHT(elm, field); \ while ((left = RB_LEFT(elm, field))) \ elm = left; \ child = RB_RIGHT(elm, field); \ parent = RB_PARENT(elm, field); \ color = RB_COLOR(elm, field); \ if (child) \ RB_PARENT(child, field) = parent; \ if (parent) { \ if (RB_LEFT(parent, field) == elm) \ RB_LEFT(parent, field) = child; \ else \ RB_RIGHT(parent, field) = child; \ RB_AUGMENT(parent); \ } else \ RB_ROOT(head) = child; \ if (RB_PARENT(elm, field) == old) \ parent = elm; \ (elm)->field = (old)->field; \ if (RB_PARENT(old, field)) { \ if (RB_LEFT(RB_PARENT(old, field), field) == old)\ RB_LEFT(RB_PARENT(old, field), field) = elm;\ else \ RB_RIGHT(RB_PARENT(old, field), field) = elm;\ RB_AUGMENT(RB_PARENT(old, field)); \ } else \ RB_ROOT(head) = elm; \ RB_PARENT(RB_LEFT(old, field), field) = elm; \ if (RB_RIGHT(old, field)) \ RB_PARENT(RB_RIGHT(old, field), field) = elm; \ if (parent) { \ left = parent; \ do { \ RB_AUGMENT(left); \ } while ((left = RB_PARENT(left, field))); \ } \ goto color; \ } \ parent = RB_PARENT(elm, field); \ color = RB_COLOR(elm, field); \ if (child) \ RB_PARENT(child, field) = parent; \ if (parent) { \ if (RB_LEFT(parent, field) == elm) \ RB_LEFT(parent, field) = child; \ else \ RB_RIGHT(parent, field) = child; \ RB_AUGMENT(parent); \ } else \ RB_ROOT(head) = child; \ color: \ if (color == RB_BLACK) \ name##_RB_REMOVE_COLOR(head, parent, child); \ } \ \ /* Inserts a node into the RB tree */ \ struct type * \ name##_RB_INSERT(struct name *head, struct type *elm) \ { \ struct type *tmp; \ struct type *parent = NULL; \ int comp = 0; \ tmp = RB_ROOT(head); \ while (tmp) { \ parent = tmp; \ comp = (cmp)(elm, parent); \ if (comp < 0) \ tmp = RB_LEFT(tmp, field); \ else if (comp > 0) \ tmp = RB_RIGHT(tmp, field); \ else \ return (tmp); \ } \ RB_SET(elm, parent, field); \ if (parent != NULL) { \ if (comp < 0) \ RB_LEFT(parent, field) = elm; \ else \ RB_RIGHT(parent, field) = elm; \ RB_AUGMENT(parent); \ } else \ RB_ROOT(head) = elm; \ name##_RB_INSERT_COLOR(head, elm); \ return (NULL); \ } \ \ /* Finds the node with the same key as elm */ \ struct type * \ name##_RB_FIND(struct name *head, struct type *elm) \ { \ struct type *tmp = RB_ROOT(head); \ int comp; \ while (tmp) { \ comp = cmp(elm, tmp); \ if (comp < 0) \ tmp = RB_LEFT(tmp, field); \ else if (comp > 0) \ tmp = RB_RIGHT(tmp, field); \ else \ return (tmp); \ } \ return (NULL); \ } \ \ struct type * \ name##_RB_NEXT(struct name *head, struct type *elm) \ { \ if (RB_RIGHT(elm, field)) { \ elm = RB_RIGHT(elm, field); \ while (RB_LEFT(elm, field)) \ elm = RB_LEFT(elm, field); \ } else { \ if (RB_PARENT(elm, field) && \ (elm == RB_LEFT(RB_PARENT(elm, field), field))) \ elm = RB_PARENT(elm, field); \ else { \ while (RB_PARENT(elm, field) && \ (elm == RB_RIGHT(RB_PARENT(elm, field), field)))\ elm = RB_PARENT(elm, field); \ elm = RB_PARENT(elm, field); \ } \ } \ return (elm); \ } \ \ struct type * \ name##_RB_MINMAX(struct name *head, int val) \ { \ struct type *tmp = RB_ROOT(head); \ struct type *parent = NULL; \ while (tmp) { \ parent = tmp; \ if (val < 0) \ tmp = RB_LEFT(tmp, field); \ else \ tmp = RB_RIGHT(tmp, field); \ } \ return (parent); \ } #define RB_NEGINF -1 #define RB_INF 1 #define RB_INSERT(name, x, y) name##_RB_INSERT(x, y) #define RB_REMOVE(name, x, y) name##_RB_REMOVE(x, y) #define RB_FIND(name, x, y) name##_RB_FIND(x, y) #define RB_NEXT(name, x, y) name##_RB_NEXT(x, y) #define RB_MIN(name, x) name##_RB_MINMAX(x, RB_NEGINF) #define RB_MAX(name, x) name##_RB_MINMAX(x, RB_INF) #define RB_FOREACH(x, name, head) \ for ((x) = RB_MIN(name, head); \ (x) != NULL; \ (x) = name##_RB_NEXT(head, x)) #endif /* _SYS_TREE_H_ */