preparing for release of 2.3.1

catches most sorts of io errors and ensures we report a error in our
exit status.

Makefile.in

@@ -65,6 +65,9 @@ proto:
 clean:
 	rm -f *~ $(OBJS) rsync 
 
+distclean: clean
+	rm -f config.h config.cache config.status Makefile
+
 
 # this target is really just for my use. It only works on a limited
 # range of machines and is used to produce a list of potentially

README

@@ -22,23 +22,29 @@ Basically you use rsync just like rcp, but rsync has many additional options.
 
 Here is a brief description of rsync usage:
 
-Usage: rsync [OPTION]... SRC [USER@]HOST:DEST
+Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST
   or   rsync [OPTION]... [USER@]HOST:SRC DEST
-  or   rsync [OPTION]... SRC DEST
+  or   rsync [OPTION]... SRC [SRC]... DEST
   or   rsync [OPTION]... [USER@]HOST::SRC [DEST]
-  or   rsync [OPTION]... SRC [USER@]HOST::DEST
+  or   rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST
   or   rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]
+SRC on single-colon remote HOST will be expanded by remote shell
+SRC on server remote HOST may contain shell wildcards or multiple
+  sources separated by space as long as they have same top-level
 
 Options
  -v, --verbose               increase verbosity
+ -q, --quiet                 decrease verbosity
  -c, --checksum              always checksum
  -a, --archive               archive mode
  -r, --recursive             recurse into directories
  -R, --relative              use relative path names
- -b, --backup                make backups (default ~ extension)
+ -b, --backup                make backups (default ~ suffix)
+     --suffix=SUFFIX         override backup suffix
  -u, --update                update only (don't overwrite newer files)
  -l, --links                 preserve soft links
  -L, --copy-links            treat soft links like regular files
+     --copy-unsafe-links     copy links outside the source tree
      --safe-links            ignore links outside the destination tree
  -H, --hard-links            preserve hard links
  -p, --perms                 preserve permissions
@@ -50,16 +56,18 @@ Options
  -n, --dry-run               show what would have been transferred
  -W, --whole-file            copy whole files, no incremental checks
  -x, --one-file-system       don't cross filesystem boundaries
- -B, --block-size=SIZE       checksum blocking size
+ -B, --block-size=SIZE       checksum blocking size (default 700)
  -e, --rsh=COMMAND           specify rsh replacement
      --rsync-path=PATH       specify path to rsync on the remote machine
  -C, --cvs-exclude           auto ignore files in the same way CVS does
      --delete                delete files that don't exist on the sending side
+     --delete-excluded       also delete excluded files on the receiving side
      --partial               keep partially transferred files
      --force                 force deletion of directories even if not empty
      --numeric-ids           don't map uid/gid values by user/group name
      --timeout=TIME          set IO timeout in seconds
  -I, --ignore-times          don't exclude files that match length and time
+     --size-only             only use file size when determining if a file should be transferred
  -T  --temp-dir=DIR          create temporary files in directory DIR
      --compare-dest=DIR      also compare destination files relative to DIR
  -z, --compress              compress file data
@@ -67,7 +75,6 @@ Options
      --exclude-from=FILE     exclude patterns listed in FILE
      --include=PATTERN       don't exclude files matching PATTERN
      --include-from=FILE     don't exclude patterns listed in FILE
-     --suffix=SUFFIX         override backup suffix
      --version               print version number
      --daemon                run as a rsync daemon
      --config=FILE           specify alternate rsyncd.conf file
@@ -75,9 +82,11 @@ Options
      --stats                 give some file transfer stats
      --progress              show progress during transfer
      --log-format=FORMAT     log file transfers using specified format
+     --password-file=FILE    get password from FILE
  -h, --help                  show this help screen
 
 
+
 SETUP
 -----
 

acconfig.h

@@ -8,4 +8,5 @@
 #undef ino_t
 #undef HAVE_CONNECT
 #undef HAVE_SHORT_INO_T
+#undef HAVE_GETOPT_LONG
 #undef REPLACE_INET_NTOA

authenticate.c

@@ -87,12 +87,14 @@ static int get_secret(int module, char *user, char *secret, int len)
 	if (do_stat(fname, &st) == -1) {
 		rprintf(FERROR,"stat(%s) : %s\n", fname, strerror(errno));
 		ok = 0;
-	} else if ((st.st_mode & 06) != 0) {
-		rprintf(FERROR,"secrets file must not be other-accessible\n");
-		ok = 0;
-	} else if (am_root && (st.st_uid != 0)) {
-		rprintf(FERROR,"secrets file must be owned by root when running as root\n");
-		ok = 0;
+	} else if (lp_strict_modes(module)) {
+		if ((st.st_mode & 06) != 0) {
+			rprintf(FERROR,"secrets file must not be other-accessible (see strict modes option)\n");
+			ok = 0;
+		} else if (am_root && (st.st_uid != 0)) {
+			rprintf(FERROR,"secrets file must be owned by root when running as root (see strict modes)\n");
+			ok = 0;
+		}
 	}
 	if (!ok) {
 		rprintf(FERROR,"continuing without secrets file\n");
@@ -130,6 +132,55 @@ static int get_secret(int module, char *user, char *secret, int len)
 	return 1;
 }
 
+static char *getpassf(char *filename)
+{
+	char buffer[100];
+	int len=0;
+	int fd=0;
+	STRUCT_STAT st;
+	int ok = 1;
+	extern int am_root;
+	char *envpw=getenv("RSYNC_PASSWORD");
+
+	if (!filename) return NULL;
+
+	if ( (fd=open(filename,O_RDONLY)) == -1) {
+		rprintf(FERROR,"could not open password file \"%s\"\n",filename);
+		if (envpw) rprintf(FERROR,"falling back to RSYNC_PASSWORD environment variable.\n");	
+		return NULL;
+	}
+	
+	if (do_stat(filename, &st) == -1) {
+		rprintf(FERROR,"stat(%s) : %s\n", filename, strerror(errno));
+		ok = 0;
+	} else if ((st.st_mode & 06) != 0) {
+		rprintf(FERROR,"password file must not be other-accessible\n");
+		ok = 0;
+	} else if (am_root && (st.st_uid != 0)) {
+		rprintf(FERROR,"password file must be owned by root when running as root\n");
+		ok = 0;
+	}
+	if (!ok) {
+		rprintf(FERROR,"continuing without password file\n");
+		if (envpw) rprintf(FERROR,"using RSYNC_PASSWORD environment variable.\n");
+		close(fd);
+		return NULL;
+	}
+
+	if (envpw) rprintf(FERROR,"RSYNC_PASSWORD environment variable ignored\n");
+
+	buffer[sizeof(buffer)-1]='\0';
+	if ( (len=read(fd,buffer,sizeof(buffer)-1)) > 0)
+	{
+		char *p = strtok(buffer,"\n\r");
+		close(fd);
+		if (p) p = strdup(p);
+		return p;
+	}	
+
+	return NULL;
+}
+
 /* generate a 16 byte hash from a password and challenge */
 static void generate_hash(char *in, char *challenge, char *out)
 {
@@ -216,10 +267,11 @@ void auth_client(int fd, char *user, char *challenge)
 {
 	char *pass;
 	char pass2[30];
+	extern char *password_file;
 
 	if (!user || !*user) return;
 
-	if (!(pass=getenv("RSYNC_PASSWORD"))) {
+	if (!(pass=getpassf(password_file)) && !(pass=getenv("RSYNC_PASSWORD"))) {
 		pass = getpass("Password: ");
 	}
 
@@ -228,7 +280,7 @@ void auth_client(int fd, char *user, char *challenge)
 	}
 
 	generate_hash(pass, challenge, pass2);
-	
 	io_printf(fd, "%s %s\n", user, pass2);
 }
 
+

cleanup.c

@@ -30,11 +30,14 @@ static struct file_struct *cleanup_file;
 static int cleanup_fd1, cleanup_fd2;
 static struct map_struct *cleanup_buf;
 static int cleanup_pid = 0;
+extern int io_error;
 
 void _exit_cleanup(int code, const char *file, int line)
 {
 	extern int keep_partial;
 
+	if (code == 0 && io_error) code = RERR_FILEIO;
+
 	signal(SIGUSR1, SIG_IGN);
 
 	if (cleanup_got_literal && cleanup_fname && keep_partial) {

clientserver.c

@@ -34,7 +34,6 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
 	char line[MAXPATHLEN];
 	char *p, *user=NULL;
 	extern int remote_version;
-	extern int am_client;
 	extern int am_sender;
 
 	if (*path == '/') {
@@ -52,8 +51,6 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
 	if (!user) user = getenv("USER");
 	if (!user) user = getenv("LOGNAME");
 
-	am_client = 1;
-
 	fd = open_socket_out(host, rsync_port);
 	if (fd == -1) {
 		exit_cleanup(RERR_SOCKETIO);
@@ -138,16 +135,16 @@ static int rsync_module(int fd, int i)
 		return -1;
 	}
 
-	if (!claim_connection(lp_lock_file(), lp_max_connections())) {
+	if (!claim_connection(lp_lock_file(i), lp_max_connections(i))) {
 		if (errno) {
 			rprintf(FERROR,"failed to open lock file %s : %s\n",
-				lp_lock_file(), strerror(errno));
+				lp_lock_file(i), strerror(errno));
 			io_printf(fd,"@ERROR: failed to open lock file %s : %s\n",
-				  lp_lock_file(), strerror(errno));
+				  lp_lock_file(i), strerror(errno));
 		} else {
 			rprintf(FERROR,"max connections (%d) reached\n",
-				lp_max_connections());
-			io_printf(fd,"@ERROR: max connections (%d) reached - try again later\n", lp_max_connections());
+				lp_max_connections(i));
+			io_printf(fd,"@ERROR: max connections (%d) reached - try again later\n", lp_max_connections(i));
 		}
 		return -1;
 	}
@@ -167,24 +164,28 @@ static int rsync_module(int fd, int i)
 	if (lp_read_only(i))
 		read_only = 1;
 
-	p = lp_uid(i);
-	if (!name_to_uid(p, &uid)) {
-		if (!isdigit(*p)) {
-			rprintf(FERROR,"Invalid uid %s\n", p);
-			io_printf(fd,"@ERROR: invalid uid\n");
-			return -1;
-		} 
-		uid = atoi(p);
-	}
+	am_root = (getuid() == 0);
 
-	p = lp_gid(i);
-	if (!name_to_gid(p, &gid)) {
-		if (!isdigit(*p)) {
-			rprintf(FERROR,"Invalid gid %s\n", p);
-			io_printf(fd,"@ERROR: invalid gid\n");
-			return -1;
-		} 
-		gid = atoi(p);
+	if (am_root) {
+		p = lp_uid(i);
+		if (!name_to_uid(p, &uid)) {
+			if (!isdigit(*p)) {
+				rprintf(FERROR,"Invalid uid %s\n", p);
+				io_printf(fd,"@ERROR: invalid uid\n");
+				return -1;
+			} 
+			uid = atoi(p);
+		}
+
+		p = lp_gid(i);
+		if (!name_to_gid(p, &gid)) {
+			if (!isdigit(*p)) {
+				rprintf(FERROR,"Invalid gid %s\n", p);
+				io_printf(fd,"@ERROR: invalid gid\n");
+				return -1;
+			} 
+			gid = atoi(p);
+		}
 	}
 
 	p = lp_include_from(i);
@@ -208,24 +209,12 @@ static int rsync_module(int fd, int i)
 			return -1;
 		}
 
-		if (chdir("/")) {
+		if (!push_dir("/", 0)) {
 			rprintf(FERROR,"chdir %s failed\n", lp_path(i));
 			io_printf(fd,"@ERROR: chdir failed\n");
 			return -1;
 		}
 
-		if (setgid(gid) || getgid() != gid) {
-			rprintf(FERROR,"setgid %d failed\n", gid);
-			io_printf(fd,"@ERROR: setgid failed\n");
-			return -1;
-		}
-
-		if (setuid(uid) || getuid() != uid) {
-			rprintf(FERROR,"setuid %d failed\n", uid);
-			io_printf(fd,"@ERROR: setuid failed\n");
-			return -1;
-		}
-
 	} else {
 		if (!push_dir(lp_path(i), 0)) {
 			rprintf(FERROR,"chdir %s failed\n", lp_path(i));
@@ -234,7 +223,21 @@ static int rsync_module(int fd, int i)
 		}
 	}
 
-	am_root = (getuid() == 0);
+	if (am_root) {
+		if (setgid(gid)) {
+			rprintf(FERROR,"setgid %d failed\n", gid);
+			io_printf(fd,"@ERROR: setgid failed\n");
+			return -1;
+		}
+
+		if (setuid(uid)) {
+			rprintf(FERROR,"setuid %d failed\n", uid);
+			io_printf(fd,"@ERROR: setuid failed\n");
+			return -1;
+		}
+
+		am_root = (getuid() == 0);
+	}
 
 	io_printf(fd,"@RSYNCD: OK\n");
 
@@ -286,7 +289,7 @@ static int rsync_module(int fd, int i)
 		}
 	}
 
-	ret = parse_arguments(argc, argv);
+	ret = parse_arguments(argc, argv, 0);
 
 	if (request) {
 		if (*auth_user) {
@@ -414,13 +417,9 @@ static int start_daemon(int fd)
 int daemon_main(void)
 {
 	extern char *config_file;
+	extern int orig_umask;
 	char *pid_file;
 
-	/* this ensures that we don't call getcwd after the chroot,
-           which doesn't work on platforms that use popen("pwd","r")
-           for getcwd */
-	push_dir("/", 0);
-
 	if (is_a_socket(STDIN_FILENO)) {
 		int i;
 
@@ -449,16 +448,19 @@ int daemon_main(void)
 	rprintf(FINFO,"rsyncd version %s starting\n",VERSION);
 
 	if (((pid_file = lp_pid_file()) != NULL) && (*pid_file != '\0')) {
-		FILE *f;
+		char pidbuf[16];
+		int fd;
 		int pid = (int) getpid();
 		cleanup_set_pid(pid);
-		if ((f = fopen(lp_pid_file(), "w")) == NULL) {
+		if ((fd = do_open(lp_pid_file(), O_WRONLY|O_CREAT|O_TRUNC,
+					0666 & ~orig_umask)) == -1) {
 		    cleanup_set_pid(0);
 		    fprintf(stderr,"failed to create pid file %s\n", pid_file);
 		    exit_cleanup(RERR_FILEIO);
 		}
-		fprintf(f, "%d\n", pid);
-		fclose(f);
+		slprintf(pidbuf, sizeof(pidbuf), "%d\n", pid);
+		write(fd, pidbuf, strlen(pidbuf));
+		close(fd);
 	}
 
 	start_accept_loop(rsync_port, start_daemon);

config.guess

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 93, 94, 95, 1996 Free Software Foundation, Inc.
+#   Copyright (C) 1992, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -46,20 +46,60 @@ UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
 UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 
-trap 'rm -f dummy.c dummy.o dummy; exit 1' 1 2 15
+dummy=dummy-$$
+trap 'rm -f $dummy.c $dummy.o $dummy; exit 1' 1 2 15
 
 # Note: order is significant - the case branches are not exclusive.
 
 case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
-    news*:NEWS-OS:6.*:*)
-        echo mips-sony-newsos6
-        exit 0 ;;
     alpha:OSF1:*:*)
+	if test $UNAME_RELEASE = "V4.0"; then
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+	fi
 	# A Vn.n version is a released version.
 	# A Tn.n version is a released field test version.
 	# A Xn.n version is an unreleased experimental baselevel.
 	# 1.2 uses "1.2" for uname -r.
-	echo alpha-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//'`
+	cat <<EOF >$dummy.s
+	.globl main
+	.ent main
+main:
+	.frame \$30,0,\$26,0
+	.prologue 0
+	.long 0x47e03d80 # implver $0
+	lda \$2,259
+	.long 0x47e20c21 # amask $2,$1
+	srl \$1,8,\$2
+	sll \$2,2,\$2
+	sll \$0,3,\$0
+	addl \$1,\$0,\$0
+	addl \$2,\$0,\$0
+	ret \$31,(\$26),1
+	.end main
+EOF
+	${CC-cc} $dummy.s -o $dummy 2>/dev/null
+	if test "$?" = 0 ; then
+		./$dummy
+		case "$?" in
+			7)
+				UNAME_MACHINE="alpha"
+				;;
+			15)
+				UNAME_MACHINE="alphaev5"
+				;;
+			14)
+				UNAME_MACHINE="alphaev56"
+				;;
+			10)
+				UNAME_MACHINE="alphapca56"
+				;;
+			16)
+				UNAME_MACHINE="alphaev6"
+				;;
+		esac
+	fi
+	rm -f $dummy.s $dummy
+	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//' | tr [[A-Z]] [[a-z]]`
 	exit 0 ;;
     21064:Windows_NT:50:3)
 	echo alpha-dec-winnt3.5
@@ -71,23 +111,57 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
       echo m68k-cbm-netbsd${UNAME_RELEASE}
       exit 0 ;;
     amiga:OpenBSD:*:*)
-      echo m68k-cbm-openbsd${UNAME_RELEASE}
-      exit 0 ;;
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    *:[Aa]miga[Oo][Ss]:*:*)
+	echo ${UNAME_MACHINE}-unknown-amigaos
+	exit 0 ;;
+    arc64:OpenBSD:*:*)
+	echo mips64el-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    arc:OpenBSD:*:*)
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    hkmips:OpenBSD:*:*)
+	echo mips-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    pmax:OpenBSD:*:*)
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    sgi:OpenBSD:*:*)
+	echo mips-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    wgrisc:OpenBSD:*:*)
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
 	echo arm-acorn-riscix${UNAME_RELEASE}
 	exit 0;;
-    Pyramid*:OSx*:*:*)
+    arm32:NetBSD:*:*)
+	echo arm-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+	exit 0 ;;
+    SR2?01:HI-UX/MPP:*:*)
+	echo hppa1.1-hitachi-hiuxmpp
+	exit 0;;
+    Pyramid*:OSx*:*:*|MIS*:OSx*:*:*|MIS*:SMP_DC-OSx*:*:*)
+	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
 	if test "`(/bin/universe) 2>/dev/null`" = att ; then
 		echo pyramid-pyramid-sysv3
 	else
 		echo pyramid-pyramid-bsd
 	fi
 	exit 0 ;;
-    sun4*:SunOS:5.*:*)
+    NILE:*:*:dcosx)
+	echo pyramid-pyramid-svr4
+	exit 0 ;;
+    sun4H:SunOS:5.*:*)
+	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit 0 ;;
+    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
 	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit 0 ;;
     i86pc:SunOS:5.*:*)
-	echo i386-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit 0 ;;
     sun4*:SunOS:6*:*)
 	# According to config.sub, this is the proper way to canonicalize
@@ -107,23 +181,53 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     sun3*:SunOS:*:*)
 	echo m68k-sun-sunos${UNAME_RELEASE}
 	exit 0 ;;
+    sun*:*:4.2BSD:*)
+	UNAME_RELEASE=`(head -1 /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+	case "`/bin/arch`" in
+	    sun3)
+		echo m68k-sun-sunos${UNAME_RELEASE}
+		;;
+	    sun4)
+		echo sparc-sun-sunos${UNAME_RELEASE}
+		;;
+	esac
+	exit 0 ;;
+    aushp:SunOS:*:*)
+	echo sparc-auspex-sunos${UNAME_RELEASE}
+	exit 0 ;;
     atari*:NetBSD:*:*)
 	echo m68k-atari-netbsd${UNAME_RELEASE}
 	exit 0 ;;
     atari*:OpenBSD:*:*)
-	echo m68k-atari-openbsd${UNAME_RELEASE}
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     sun3*:NetBSD:*:*)
 	echo m68k-sun-netbsd${UNAME_RELEASE}
 	exit 0 ;;
     sun3*:OpenBSD:*:*)
-	echo m68k-sun-openbsd${UNAME_RELEASE}
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     mac68k:NetBSD:*:*)
 	echo m68k-apple-netbsd${UNAME_RELEASE}
 	exit 0 ;;
     mac68k:OpenBSD:*:*)
-	echo m68k-apple-openbsd${UNAME_RELEASE}
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    mvme68k:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    mvme88k:OpenBSD:*:*)
+	echo m88k-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    powerpc:machten:*:*)
+	echo powerpc-apple-machten${UNAME_RELEASE}
+	exit 0 ;;
+    macppc:NetBSD:*:*)
+        echo powerpc-apple-netbsd${UNAME_RELEASE}
+        exit 0 ;;
+    RISC*:Mach:*:*)
+	echo mips-dec-mach_bsd4.3
 	exit 0 ;;
     RISC*:ULTRIX:*:*)
 	echo mips-dec-ultrix${UNAME_RELEASE}
@@ -131,10 +235,30 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     VAX*:ULTRIX*:*:*)
 	echo vax-dec-ultrix${UNAME_RELEASE}
 	exit 0 ;;
-    mips:*:4*:UMIPS)
-	echo mips-mips-riscos4sysv
+    2020:CLIX:*:*)
+	echo clipper-intergraph-clix${UNAME_RELEASE}
 	exit 0 ;;
-    mips:*:5*:RISCos)
+    mips:*:*:UMIPS | mips:*:*:RISCos)
+	sed 's/^	//' << EOF >$dummy.c
+	int main (argc, argv) int argc; char **argv; {
+	#if defined (host_mips) && defined (MIPSEB)
+	#if defined (SYSTYPE_SYSV)
+	  printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_SVR4)
+	  printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+	  printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+	#endif
+	#endif
+	  exit (-1);
+	}
+EOF
+	${CC-cc} $dummy.c -o $dummy \
+	  && ./$dummy `echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` \
+	  && rm $dummy.c $dummy && exit 0
+	rm -f $dummy.c $dummy
 	echo mips-mips-riscos${UNAME_RELEASE}
 	exit 0 ;;
     Night_Hawk:Power_UNIX:*:*)
@@ -178,15 +302,15 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     *:IRIX*:*:*)
 	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
 	exit 0 ;;
-   ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+    ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
 	echo romp-ibm-aix      # uname -m gives an 8 hex-code CPU id
 	exit 0 ;;              # Note that: echo "'`uname -s`'" gives 'AIX '
-    i[34]86:AIX:*:*)
+    i?86:AIX:*:*)
 	echo i386-ibm-aix
 	exit 0 ;;
     *:AIX:2:3)
 	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
-		sed 's/^		//' << EOF >dummy.c
+		sed 's/^		//' << EOF >$dummy.c
 		#include <sys/systemcfg.h>
 
 		main()
@@ -197,8 +321,8 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 			exit(0);
 			}
 EOF
-		${CC-cc} dummy.c -o dummy && ./dummy && rm dummy.c dummy && exit 0
-		rm -f dummy.c dummy
+		${CC-cc} $dummy.c -o $dummy && ./$dummy && rm $dummy.c $dummy && exit 0
+		rm -f $dummy.c $dummy
 		echo rs6000-ibm-aix3.2.5
 	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
 		echo rs6000-ibm-aix3.2.4
@@ -207,7 +331,8 @@ EOF
 	fi
 	exit 0 ;;
     *:AIX:*:4)
-	if /usr/sbin/lsattr -EHl proc0 | grep POWER >/dev/null 2>&1; then
+	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | head -1 | awk '{ print $1 }'`
+	if /usr/sbin/lsattr -EHl ${IBM_CPU_ID} | grep POWER >/dev/null 2>&1; then
 		IBM_ARCH=rs6000
 	else
 		IBM_ARCH=powerpc
@@ -226,7 +351,7 @@ EOF
 	echo romp-ibm-bsd4.4
 	exit 0 ;;
     ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC NetBSD and
-	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to 
+	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
 	exit 0 ;;                           # report: romp-ibm BSD 4.3
     *:BOSX:*:*)
 	echo rs6000-bull-bosx
@@ -240,18 +365,50 @@ EOF
     hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
 	echo m68k-hp-bsd4.4
 	exit 0 ;;
-    9000/[3478]??:HP-UX:*:*)
+    9000/[34678]??:HP-UX:*:*)
 	case "${UNAME_MACHINE}" in
 	    9000/31? )            HP_ARCH=m68000 ;;
 	    9000/[34]?? )         HP_ARCH=m68k ;;
-	    9000/7?? | 9000/8?[679] ) HP_ARCH=hppa1.1 ;;
-	    9000/8?? )            HP_ARCH=hppa1.0 ;;
+	    9000/6?? | 9000/7?? | 9000/80[24] | 9000/8?[13679] | 9000/892 )
+              sed 's/^              //' << EOF >$dummy.c
+              #include <stdlib.h>
+              #include <unistd.h>
+              
+              int main ()
+              {
+              #if defined(_SC_KERNEL_BITS)
+                  long bits = sysconf(_SC_KERNEL_BITS);
+              #endif 
+                  long cpu  = sysconf (_SC_CPU_VERSION);
+              
+                  switch (cpu) 
+              	{
+              	case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+              	case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+              	case CPU_PA_RISC2_0: 
+              #if defined(_SC_KERNEL_BITS)
+              	    switch (bits) 
+              		{
+              		case 64: puts ("hppa2.0w"); break;
+              		case 32: puts ("hppa2.0n"); break;
+              		default: puts ("hppa2.0"); break;
+              		} break;
+              #else  /* !defined(_SC_KERNEL_BITS) */
+              	    puts ("hppa2.0"); break;
+              #endif 
+              	default: puts ("hppa1.0"); break;
+              	}
+                  exit (0);
+              }
+EOF
+	(${CC-cc} $dummy.c -o $dummy 2>/dev/null ) && HP_ARCH=`./$dummy`
+	rm -f $dummy.c $dummy
 	esac
 	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
 	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
 	exit 0 ;;
     3050*:HI-UX:*:*)
-	sed 's/^	//' << EOF >dummy.c
+	sed 's/^	//' << EOF >$dummy.c
 	#include <unistd.h>
 	int
 	main ()
@@ -276,8 +433,8 @@ EOF
 	  exit (0);
 	}
 EOF
-	${CC-cc} dummy.c -o dummy && ./dummy && rm dummy.c dummy && exit 0
-	rm -f dummy.c dummy
+	${CC-cc} $dummy.c -o $dummy && ./$dummy && rm $dummy.c $dummy && exit 0
+	rm -f $dummy.c $dummy
 	echo unknown-hitachi-hiuxwe2
 	exit 0 ;;
     9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
@@ -292,6 +449,13 @@ EOF
     hp8??:OSF1:*:*)
 	echo hppa1.0-hp-osf
 	exit 0 ;;
+    i?86:OSF1:*:*)
+	if [ -x /usr/sbin/sysversion ] ; then
+	    echo ${UNAME_MACHINE}-unknown-osf1mk
+	else
+	    echo ${UNAME_MACHINE}-unknown-osf1
+	fi
+	exit 0 ;;
     parisc*:Lites*:*:*)
 	echo hppa1.1-hp-lites
 	exit 0 ;;
@@ -313,31 +477,47 @@ EOF
     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
 	echo c4-convex-bsd
         exit 0 ;;
-    CRAY*T3E:*:*:*)
-        echo t3e-cray-unicos_mk
-        exit 0 ;;
     CRAY*X-MP:*:*:*)
 	echo xmp-cray-unicos
         exit 0 ;;
     CRAY*Y-MP:*:*:*)
 	echo ymp-cray-unicos${UNAME_RELEASE}
 	exit 0 ;;
-    CRAY*C90:*:*:*)
-	echo c90-cray-unicos${UNAME_RELEASE}
+    CRAY*[A-Z]90:*:*:*)
+	echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
+	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
 	exit 0 ;;
     CRAY*TS:*:*:*)
 	echo t90-cray-unicos${UNAME_RELEASE}
 	exit 0 ;;
+    CRAY*T3E:*:*:*)
+	echo t3e-cray-unicosmk${UNAME_RELEASE}
+	exit 0 ;;
     CRAY-2:*:*:*)
 	echo cray2-cray-unicos
         exit 0 ;;
+    F300:UNIX_System_V:*:*)
+        FUJITSU_SYS=`uname -p | tr [A-Z] [a-z] | sed -e 's/\///'`
+        FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+        echo "f300-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+        exit 0 ;;
+    F301:UNIX_System_V:*:*)
+       echo f301-fujitsu-uxpv`echo $UNAME_RELEASE | sed 's/ .*//'`
+       exit 0 ;;
     hp3[0-9][05]:NetBSD:*:*)
 	echo m68k-hp-netbsd${UNAME_RELEASE}
 	exit 0 ;;
-    hp3[0-9][05]:OpenBSD:*:*)
-	echo m68k-hp-openbsd${UNAME_RELEASE}
+    hp300:OpenBSD:*:*)
+	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
-    i[34]86:BSD/386:*:* | *:BSD/OS:*:*)
+    sparc*:BSD/OS:*:*)
+	echo sparc-unknown-bsdi${UNAME_RELEASE}
+	exit 0 ;;
+    i?86:BSD/386:*:* | i?86:BSD/OS:*:*)
+	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+	exit 0 ;;
+    *:BSD/OS:*:*)
 	echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
 	exit 0 ;;
     *:FreeBSD:*:*)
@@ -350,83 +530,201 @@ EOF
 	echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
 	exit 0 ;;
     i*:CYGWIN*:*)
-	echo i386-unknown-cygwin32
+	echo ${UNAME_MACHINE}-pc-cygwin
+	exit 0 ;;
+    i*:MINGW*:*)
+	echo ${UNAME_MACHINE}-pc-mingw32
 	exit 0 ;;
     p*:CYGWIN*:*)
-	echo powerpcle-unknown-cygwin32
+	echo powerpcle-unknown-cygwin
 	exit 0 ;;
     prep*:SunOS:5.*:*)
 	echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit 0 ;;
     *:GNU:*:*)
-	echo `echo ${UNAME_MACHINE}|sed -e 's,/.*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
 	exit 0 ;;
     *:Linux:*:*)
+	# uname on the ARM produces all sorts of strangeness, and we need to
+	# filter it out.
+	case "$UNAME_MACHINE" in
+	  arm* | sa110*)	      UNAME_MACHINE="arm" ;;
+	esac
+
 	# The BFD linker knows what the default object file format is, so
 	# first see if it will tell us.
 	ld_help_string=`ld --help 2>&1`
-	if echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf_i[345]86"; then
-	  echo "${UNAME_MACHINE}-unknown-linux" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i[345]86linux"; then
-	  echo "${UNAME_MACHINE}-unknown-linuxaout" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i[345]86coff"; then
-	  echo "${UNAME_MACHINE}-unknown-linuxcoff" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68kelf"; then
-	  echo "${UNAME_MACHINE}-unknown-linux" ; exit 0
-	elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68klinux"; then
-	  echo "${UNAME_MACHINE}-unknown-linuxaout" ; exit 0
-	elif test "${UNAME_MACHINE}" = "alpha" ; then
-	  echo alpha-unknown-linux ; exit 0
-	else
-	  # Either a pre-BFD a.out linker (linuxoldld) or one that does not give us
-	  # useful --help.  Gcc wants to distinguish between linuxoldld and linuxaout.
-	  test ! -d /usr/lib/ldscripts/. \
-	    && echo "${UNAME_MACHINE}-unknown-linuxoldld" && exit 0
-	  # Determine whether the default compiler is a.out or elf
-	  cat >dummy.c <<EOF
+	ld_supported_emulations=`echo $ld_help_string \
+			 | sed -ne '/supported emulations:/!d
+				    s/[ 	][ 	]*/ /g
+				    s/.*supported emulations: *//
+				    s/ .*//
+				    p'`
+        case "$ld_supported_emulations" in
+	  i?86linux)  echo "${UNAME_MACHINE}-pc-linux-gnuaout"      ; exit 0 ;;
+	  i?86coff)   echo "${UNAME_MACHINE}-pc-linux-gnucoff"      ; exit 0 ;;
+	  sparclinux) echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+	  armlinux)   echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+	  m68klinux)  echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+	  elf32ppc)   echo "powerpc-unknown-linux-gnu"              ; exit 0 ;;
+	esac
+
+	if test "${UNAME_MACHINE}" = "alpha" ; then
+		sed 's/^	//'  <<EOF >$dummy.s
+		.globl main
+		.ent main
+	main:
+		.frame \$30,0,\$26,0
+		.prologue 0
+		.long 0x47e03d80 # implver $0
+		lda \$2,259
+		.long 0x47e20c21 # amask $2,$1
+		srl \$1,8,\$2
+		sll \$2,2,\$2
+		sll \$0,3,\$0
+		addl \$1,\$0,\$0
+		addl \$2,\$0,\$0
+		ret \$31,(\$26),1
+		.end main
+EOF
+		LIBC=""
+		${CC-cc} $dummy.s -o $dummy 2>/dev/null
+		if test "$?" = 0 ; then
+			./$dummy
+			case "$?" in
+			7)
+				UNAME_MACHINE="alpha"
+				;;
+			15)
+				UNAME_MACHINE="alphaev5"
+				;;
+			14)
+				UNAME_MACHINE="alphaev56"
+				;;
+			10)
+				UNAME_MACHINE="alphapca56"
+				;;
+			16)
+				UNAME_MACHINE="alphaev6"
+				;;
+			esac	
+
+			objdump --private-headers $dummy | \
+			  grep ld.so.1 > /dev/null
+			if test "$?" = 0 ; then
+				LIBC="libc1"
+			fi
+		fi	
+		rm -f $dummy.s $dummy
+		echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} ; exit 0
+	elif test "${UNAME_MACHINE}" = "mips" ; then
+	  cat >$dummy.c <<EOF
 main(argc, argv)
-int argc;
-char *argv[];
+     int argc;
+     char *argv[];
 {
-#ifdef __ELF__
-  printf ("%s-unknown-linux\n", argv[1]);
-#else
-  printf ("%s-unknown-linuxaout\n", argv[1]);
+#ifdef __MIPSEB__
+  printf ("%s-unknown-linux-gnu\n", argv[1]);
+#endif
+#ifdef __MIPSEL__
+  printf ("%sel-unknown-linux-gnu\n", argv[1]);
 #endif
   return 0;
 }
 EOF
-	  ${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy "${UNAME_MACHINE}" && rm dummy.c dummy && exit 0
-	  rm -f dummy.c dummy
+	  ${CC-cc} $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm $dummy.c $dummy && exit 0
+	  rm -f $dummy.c $dummy
+	else
+	  # Either a pre-BFD a.out linker (linux-gnuoldld)
+	  # or one that does not give us useful --help.
+	  # GCC wants to distinguish between linux-gnuoldld and linux-gnuaout.
+	  # If ld does not provide *any* "supported emulations:"
+	  # that means it is gnuoldld.
+	  echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations:"
+	  test $? != 0 && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
+
+	  case "${UNAME_MACHINE}" in
+	  i?86)
+	    VENDOR=pc;
+	    ;;
+	  *)
+	    VENDOR=unknown;
+	    ;;
+	  esac
+	  # Determine whether the default compiler is a.out or elf
+	  cat >$dummy.c <<EOF
+#include <features.h>
+main(argc, argv)
+     int argc;
+     char *argv[];
+{
+#ifdef __ELF__
+# ifdef __GLIBC__
+#  if __GLIBC__ >= 2
+    printf ("%s-${VENDOR}-linux-gnu\n", argv[1]);
+#  else
+    printf ("%s-${VENDOR}-linux-gnulibc1\n", argv[1]);
+#  endif
+# else
+   printf ("%s-${VENDOR}-linux-gnulibc1\n", argv[1]);
+# endif
+#else
+  printf ("%s-${VENDOR}-linux-gnuaout\n", argv[1]);
+#endif
+  return 0;
+}
+EOF
+	  ${CC-cc} $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm $dummy.c $dummy && exit 0
+	  rm -f $dummy.c $dummy
 	fi ;;
 # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.  earlier versions
 # are messed up and put the nodename in both sysname and nodename.
-    i[34]86:DYNIX/ptx:4*:*)
+    i?86:DYNIX/ptx:4*:*)
 	echo i386-sequent-sysv4
 	exit 0 ;;
-    i[34]86:*:4.*:* | i[34]86:SYSTEM_V:4.*:*)
+    i?86:UNIX_SV:4.2MP:2.*)
+        # Unixware is an offshoot of SVR4, but it has its own version
+        # number series starting with 2...
+        # I am not positive that other SVR4 systems won't match this,
+	# I just have to hope.  -- rms.
+        # Use sysv4.2uw... so that sysv4* matches it.
+	echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+	exit 0 ;;
+    i?86:*:4.*:* | i?86:SYSTEM_V:4.*:*)
 	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
 		echo ${UNAME_MACHINE}-univel-sysv${UNAME_RELEASE}
 	else
-		echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}
+		echo ${UNAME_MACHINE}-pc-sysv${UNAME_RELEASE}
 	fi
 	exit 0 ;;
-    i[34]86:*:3.2:*)
+    i?86:*:3.2:*)
 	if test -f /usr/options/cb.name; then
 		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
-		echo ${UNAME_MACHINE}-unknown-isc$UNAME_REL
+		echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
 	elif /bin/uname -X 2>/dev/null >/dev/null ; then
 		UNAME_REL=`(/bin/uname -X|egrep Release|sed -e 's/.*= //')`
 		(/bin/uname -X|egrep i80486 >/dev/null) && UNAME_MACHINE=i486
 		(/bin/uname -X|egrep '^Machine.*Pentium' >/dev/null) \
 			&& UNAME_MACHINE=i586
-		echo ${UNAME_MACHINE}-unknown-sco$UNAME_REL
+		echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
 	else
-		echo ${UNAME_MACHINE}-unknown-sysv32
+		echo ${UNAME_MACHINE}-pc-sysv32
 	fi
 	exit 0 ;;
+    i?86:UnixWare:*:*)
+	if /bin/uname -X 2>/dev/null >/dev/null ; then
+	  (/bin/uname -X|egrep '^Machine.*Pentium' >/dev/null) \
+	    && UNAME_MACHINE=i586
+	fi
+	echo ${UNAME_MACHINE}-unixware-${UNAME_RELEASE}-${UNAME_VERSION}
+	exit 0 ;;
+    pc:*:*:*)
+        # uname -m prints for DJGPP always 'pc', but it prints nothing about
+        # the processor, so we play safe by assuming i386.
+	echo i386-pc-msdosdjgpp
+        exit 0 ;;
     Intel:Mach:3*:*)
-	echo i386-unknown-mach3
+	echo i386-pc-mach3
 	exit 0 ;;
     paragon:*:*:*)
 	echo i860-intel-osf1
@@ -442,28 +740,36 @@ EOF
 	# "miniframe"
 	echo m68010-convergent-sysv
 	exit 0 ;;
-    M680[234]0:*:R3V[567]*:*)
+    M68*:*:R3V[567]*:*)
 	test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;;
-    3[34]??:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0)
-        uname -p 2>/dev/null | grep 86 >/dev/null \
-          && echo i486-ncr-sysv4.3 && exit 0 ;;
+    3[34]??:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 4850:*:4.0:3.0)
+	OS_REL=''
+	test -r /etc/.relid \
+	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && echo i486-ncr-sysv4.3${OS_REL} && exit 0
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	  && echo i586-ncr-sysv4.3${OS_REL} && exit 0 ;;
     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
-        uname -p 2>/dev/null | grep 86 >/dev/null \
+        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
           && echo i486-ncr-sysv4 && exit 0 ;;
-    m680[234]0:LynxOS:2.[23]*:*)
-	echo m68k-lynx-lynxos${UNAME_RELEASE}
+    m68*:LynxOS:2.*:*)
+	echo m68k-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
     mc68030:UNIX_System_V:4.*:*)
 	echo m68k-atari-sysv4
 	exit 0 ;;
-    i[34]86:LynxOS:2.[23]*:*)
-	echo i386-lynx-lynxos${UNAME_RELEASE}
+    i?86:LynxOS:2.*:*)
+	echo i386-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
-    TSUNAMI:LynxOS:2.[23]*:*)
-	echo sparc-lynx-lynxos${UNAME_RELEASE}
+    TSUNAMI:LynxOS:2.*:*)
+	echo sparc-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
-    rs6000:LynxOS:2.[23]*:*)
-	echo rs6000-lynx-lynxos${UNAME_RELEASE}
+    rs6000:LynxOS:2.*:* | PowerPC:LynxOS:2.*:*)
+	echo rs6000-unknown-lynxos${UNAME_RELEASE}
+	exit 0 ;;
+    SM[BE]S:UNIX_SV:*:*)
+	echo mips-dde-sysv${UNAME_RELEASE}
 	exit 0 ;;
     RM*:SINIX-*:*:*)
 	echo mips-sni-sysv4
@@ -476,22 +782,59 @@ EOF
 		echo ns32k-sni-sysv
 	fi
 	exit 0 ;;
+    PENTIUM:CPunix:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+                           # says <Richard.M.Bartel@ccMail.Census.GOV>
+        echo i586-unisys-sysv4
+        exit 0 ;;
+    *:UNIX_System_V:4*:FTX*)
+	# From Gerald Hewes <hewes@openmarket.com>.
+	# How about differentiating between stratus architectures? -djm
+	echo hppa1.1-stratus-sysv4
+	exit 0 ;;
+    *:*:*:FTX*)
+	# From seanf@swdc.stratus.com.
+	echo i860-stratus-sysv4
+	exit 0 ;;
     mc68*:A/UX:*:*)
 	echo m68k-apple-aux${UNAME_RELEASE}
 	exit 0 ;;
-    R3000:*System_V*:*:*)
+    news*:NEWS-OS:*:6*)
+	echo mips-sony-newsos6
+	exit 0 ;;
+    R3000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R4000:UNIX_SV:*:*)
 	if [ -d /usr/nec ]; then
 	        echo mips-nec-sysv${UNAME_RELEASE}
 	else
 	        echo mips-unknown-sysv${UNAME_RELEASE}
 	fi
         exit 0 ;;
+    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
+	echo powerpc-be-beos
+	exit 0 ;;
+    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
+	echo powerpc-apple-beos
+	exit 0 ;;
+    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
+	echo i586-pc-beos
+	exit 0 ;;
+    SX-4:SUPER-UX:*:*)
+	echo sx4-nec-superux${UNAME_RELEASE}
+	exit 0 ;;
+    SX-5:SUPER-UX:*:*)
+	echo sx5-nec-superux${UNAME_RELEASE}
+	exit 0 ;;
+    Power*:Rhapsody:*:*)
+	echo powerpc-apple-rhapsody${UNAME_RELEASE}
+	exit 0 ;;
+    *:Rhapsody:*:*)
+	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+	exit 0 ;;
 esac
 
 #echo '(No uname command or uname output not recognized.)' 1>&2
 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
 
-cat >dummy.c <<EOF
+cat >$dummy.c <<EOF
 #ifdef _SEQUENT_
 # include <sys/types.h>
 # include <sys/utsname.h>
@@ -529,7 +872,10 @@ main ()
 #endif
   int version;
   version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
-  printf ("%s-next-nextstep%s\n", __ARCHITECTURE__,  version==2 ? "2" : "3");
+  if (version < 4)
+    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
+  else
+    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
   exit (0);
 #endif
 
@@ -546,7 +892,7 @@ main ()
 #endif
 
 #if defined (__386BSD__)
-  printf ("i386-unknown-bsd\n"); exit (0);
+  printf ("i386-pc-bsd\n"); exit (0);
 #endif
 
 #if defined (sequent)
@@ -589,8 +935,8 @@ main ()
 }
 EOF
 
-${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy && rm dummy.c dummy && exit 0
-rm -f dummy.c dummy
+${CC-cc} $dummy.c -o $dummy 2>/dev/null && ./$dummy && rm $dummy.c $dummy && exit 0
+rm -f $dummy.c $dummy
 
 # Apollos put the system type in the environment.
 

config.sub

@@ -1,9 +1,9 @@
 #! /bin/sh
 # Configuration validation subroutine script, version 1.1.
-#   Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+#   Copyright (C) 1991, 92-97, 1998 Free Software Foundation, Inc.
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
-# can handle that machine.  It does not imply ALL GNU software can. 
+# can handle that machine.  It does not imply ALL GNU software can.
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -41,6 +41,8 @@
 # The goal of this file is to map all the various variations of a given
 # machine specification into a single specification in the form:
 #	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+#	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
 # It is wrong to echo any other type of specification.
 
 if [ x$1 = x ]
@@ -62,11 +64,21 @@ case $1 in
 	;;
 esac
 
-# Separate what the user gave into CPU-COMPANY and OS (if any).
-basic_machine=`echo $1 | sed 's/-[^-]*$//'`
-if [ $basic_machine != $1 ]
-then os=`echo $1 | sed 's/.*-/-/'`
-else os=; fi
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+  linux-gnu*)
+    os=-$maybe_os
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+    ;;
+  *)
+    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+    if [ $basic_machine != $1 ]
+    then os=`echo $1 | sed 's/.*-/-/'`
+    else os=; fi
+    ;;
+esac
 
 ### Let's recognize common machines as not being operating systems so
 ### that things like config.sub decstation-3100 work.  We also
@@ -81,52 +93,43 @@ case $os in
 	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
 	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
-	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp )
+	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+	-apple)
 		os=
 		basic_machine=$1
 		;;
-	-sim | -cisco | -oki | -wec | -winbond )	# CYGNUS LOCAL
-		os=
-		basic_machine=$1
-		;;
-	-apple*)					# CYGNUS LOCAL
-		os=
-		basic_machine=$1
-		;;
-	-scout)						# CYGNUS LOCAL
-		;;
-	-wrs)						# CYGNUS LOCAL
-		os=vxworks
-		basic_machine=$1
-		;;
 	-hiux*)
 		os=-hiuxwe2
 		;;
+	-sco5)
+		os=sco3.2v5
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
 	-sco4)
 		os=-sco3.2v4
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco3.2.[4-9]*)
 		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco3.2v[4-9]*)
 		# Don't forget version if it is 3.2v4 or newer.
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco*)
 		os=-sco3.2v2
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
 	-isc)
 		os=-isc2.2
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
 	-clix*)
 		basic_machine=clipper-intergraph
 		;;
 	-isc*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
 	-lynx*)
 		os=-lynxos
@@ -137,67 +140,58 @@ case $os in
 	-windowsnt*)
 		os=`echo $os | sed -e 's/windowsnt/winnt/'`
 		;;
+	-psos*)
+		os=-psos
+		;;
 esac
 
 # Decode aliases for certain CPU-COMPANY combinations.
 case $basic_machine in
 	# Recognize the basic CPU types without company name.
 	# Some are omitted here because they have special meanings below.
-	tahoe | i[345]86 | i860 | m68k | m68000 | m88k | ns32k | arm | armeb \
-		| armel | pyramid \
-		| tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
-		| alpha | we32k | ns16k | clipper | sparclite | i370 | sh \
-		| powerpc | powerpcle | sparc64 | 1750a | dsp16xx | mips64 | mipsel \
-		| pdp11 | mips64el | mips64orion | mips64orionel \
-		| sparc | sparc8 | supersparc | microsparc | ultrasparc)
-		basic_machine=$basic_machine-unknown
-		;;
-	m88110 | m680[012346]0 | m683?2 | m68360 | z8k | v70 | h8500 | w65) # CYGNUS LOCAL
-		basic_machine=$basic_machine-unknown
-		;;
-	mips64vr4300 | mips64vr4300el) # CYGNUS LOCAL jsmith
+	tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
+		| arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
+		| 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 | hppa2.0 \
+		| alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
+		| i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
+		| mips64 | mipsel | mips64el | mips64orion | mips64orionel \
+		| mipstx39 | mipstx39el \
+		| sparc | sparclet | sparclite | sparc64 | v850)
 		basic_machine=$basic_machine-unknown
 		;;
+	# We use `pc' rather than `unknown'
+	# because (1) that's what they normally are, and
+	# (2) the word "unknown" tends to confuse beginning users.
+	i[34567]86)
+	  basic_machine=$basic_machine-pc
+	  ;;
 	# Object if more than one company name word.
 	*-*-*)
 		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 		exit 1
 		;;
 	# Recognize the basic CPU types with company name.
-	vax-* | tahoe-* | i[3456]86-* | i860-* | m68k-* | m68000-* | m88k-* \
-	      | sparc-* | ns32k-* | fx80-* | arm-* | arme[lb]-* | c[123]* \
-	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
-	      | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
-	      | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
-	      | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
-	      | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* \
-	      | mips64-* | mipsel-* | mips64el-* | mips64orion-* \
-	      | mips64orionel-* | sparc8-* | supersparc-* | microsparc-* | ultrasparc-*)
-		;;
-	m88110-* | m680[012346]0-* | m683?2-* | m68360-* | z8k-* | h8500-*) # CYGNUS LOCAL
-		;;
-	mips64vr4300-* | mips64vr4300el-*) # CYGNUS LOCAL jsmith
+	vax-* | tahoe-* | i[34567]86-* | i860-* | m32r-* | m68k-* | m68000-* \
+	      | m88k-* | sparc-* | ns32k-* | fx80-* | arc-* | arm-* | c[123]* \
+	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
+	      | power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
+	      | xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* \
+	      | alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \
+	      | ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
+	      | sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
+	      | sparc64-* | mips64-* | mipsel-* \
+	      | mips64el-* | mips64orion-* | mips64orionel-*  \
+	      | mipstx39-* | mipstx39el-* \
+	      | f301-*)
 		;;
 	# Recognize the various machine names and aliases which stand
 	# for a CPU type and a company and sometimes even an OS.
-	386bsd)						# CYGNUS LOCAL
-		basic_machine=i386-unknown
-		os=-bsd
-		;;
 	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 		basic_machine=m68000-att
 		;;
 	3b*)
 		basic_machine=we32k-att
 		;;
-	a29khif)					# CYGNUS LOCAL
-		basic_machine=a29k-amd
-		os=-udi
-		;;
-	adobe68k)					# CYGNUS LOCAL
-		basic_machine=m68010-adobe
-		os=-scout
-		;;
 	alliant | fx80)
 		basic_machine=fx80-alliant
 		;;
@@ -215,9 +209,9 @@ case $basic_machine in
 	amiga | amiga-*)
 		basic_machine=m68k-cbm
 		;;
-	amigados)
+	amigaos | amigados)
 		basic_machine=m68k-cbm
-		os=-amigados
+		os=-amigaos
 		;;
 	amigaunix | amix)
 		basic_machine=m68k-cbm
@@ -227,26 +221,14 @@ case $basic_machine in
 		basic_machine=m68k-apollo
 		os=-sysv
 		;;
-	apollo68bsd)					# CYGNUS LOCAL
-		basic_machine=m68k-apollo
-		os=-bsd
-		;;
-	arm | armel | armeb)
-		basic_machine=arm-arm
-		os=-aout
+	aux)
+		basic_machine=m68k-apple
+		os=-aux
 		;;
 	balance)
 		basic_machine=ns32k-sequent
 		os=-dynix
 		;;
-	[ctj]90-cray)
-		basic_machine=c90-cray
-		os=-unicos
-		;;
-	t3e-cray)
-		basic_machine=t3e-cray
-		os=-unicos_mk
-		;;
 	convex-c1)
 		basic_machine=c1-convex
 		os=-bsd
@@ -275,6 +257,10 @@ case $basic_machine in
 		basic_machine=cray2-cray
 		os=-unicos
 		;;
+	[ctj]90-cray)
+		basic_machine=c90-cray
+		os=-unicos
+		;;
 	crds | unos)
 		basic_machine=m68k-crds
 		;;
@@ -311,10 +297,6 @@ case $basic_machine in
 	encore | umax | mmax)
 		basic_machine=ns32k-encore
 		;;
-	es1800 | OSE68k | ose68k | ose | OSE)		# CYGNUS LOCAL
-		basic_machine=m68k-ericsson
-		os=-ose
-		;;
 	fx2800)
 		basic_machine=i860-alliant
 		;;
@@ -333,14 +315,6 @@ case $basic_machine in
 		basic_machine=h8300-hitachi
 		os=-hms
 		;;
-	h8300xray)					# CYGNUS LOCAL
-		basic_machine=h8300-hitachi
-		os=-xray
-		;;
-	h8500hms)					# CYGNUS LOCAL
-		basic_machine=h8500-hitachi
-		os=-hms
-		;;
 	harris)
 		basic_machine=m88k-harris
 		os=-sysv3
@@ -356,22 +330,6 @@ case $basic_machine in
 		basic_machine=m68k-hp
 		os=-hpux
 		;;
-        w89k-*)						# CYGNUS LOCAL
-                basic_machine=hppa1.1-winbond
-                os=-proelf
-                ;;
-        op50n-*)					# CYGNUS LOCAL
-                basic_machine=hppa1.1-oki
-                os=-proelf
-                ;;
-        op60c-*)					# CYGNUS LOCAL
-                basic_machine=hppa1.1-oki
-                os=-proelf
-                ;;
-        hppro)						# CYGNUS LOCAL
-                basic_machine=hppa1.1-hp
-                os=-proelf
-                ;;
 	hp9k2[0-9][0-9] | hp9k31[0-9])
 		basic_machine=m68000-hp
 		;;
@@ -384,43 +342,30 @@ case $basic_machine in
 	hp9k8[0-9][0-9] | hp8[0-9][0-9])
 		basic_machine=hppa1.0-hp
 		;;
-	hppaosf)					# CYGNUS LOCAL
-		basic_machine=hppa1.1-hp
-		os=-osf
+	hppa-next)
+		os=-nextstep3
 		;;
 	i370-ibm* | ibm*)
 		basic_machine=i370-ibm
 		os=-mvs
 		;;
 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
-	i[3456]86v32)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
+	i[34567]86v32)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-sysv32
 		;;
-	i[3456]86v4*)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
+	i[34567]86v4*)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-sysv4
 		;;
-	i[3456]86v)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
+	i[34567]86v)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-sysv
 		;;
-	i[3456]86sol2)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
+	i[34567]86sol2)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-solaris2
 		;;
-	i386mach)					# CYGNUS LOCAL
-		basic_machine=i386-mach
-		os=-mach
-		;;
-	i386-vsta | vsta)				# CYGNUS LOCAL
-		basic_machine=i386-unknown
-		os=-vsta
-		;;
-	i386-go32 | go32)				# CYGNUS LOCAL
-		basic_machine=i386-unknown
-		os=-go32
-		;;
 	iris | iris4d)
 		basic_machine=mips-sgi
 		case $os in
@@ -449,28 +394,24 @@ case $basic_machine in
 	miniframe)
 		basic_machine=m68000-convergent
 		;;
+	mipsel*-linux*)
+		basic_machine=mipsel-unknown
+		os=-linux-gnu
+		;;
+	mips*-linux*)
+		basic_machine=mips-unknown
+		os=-linux-gnu
+		;;
 	mips3*-*)
 		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 		;;
 	mips3*)
 		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 		;;
-	monitor)					# CYGNUS LOCAL
-		basic_machine=m68k-rom68k
-		os=-coff
-		;;
-	msdos)						# CYGNUS LOCAL
-		basic_machine=i386-unknown	
-		os=-msdos
-		;;
 	ncr3000)
 		basic_machine=i486-ncr
 		os=-sysv4
 		;;
-	netbsd386)
-		basic_machine=i386-unknown		# CYGNUS LOCAL
-		os=-netbsd
-		;;
 	news | news700 | news800 | news900)
 		basic_machine=m68k-sony
 		os=-newsos
@@ -483,10 +424,6 @@ case $basic_machine in
 		basic_machine=mips-sony
 		os=-newsos
 		;;
-	necv70)						# CYGNUS LOCAL
-		basic_machine=v70-nec
-		os=-sysv
-		;;
 	next | m*-next )
 		basic_machine=m68k-next
 		case $os in
@@ -515,14 +452,6 @@ case $basic_machine in
 	np1)
 		basic_machine=np1-gould
 		;;
-	OSE68000 | ose68000)				# CYGNUS LOCAL
-		basic_machine=m68000-ericsson
-		os=-ose
-		;;
-	os68k)						# CYGNUS LOCAL
-		basic_machine=m68k-none
-		os=-os68k
-		;;
 	pa-hitachi)
 		basic_machine=hppa1.1-hitachi
 		os=-hiuxwe2
@@ -540,25 +469,23 @@ case $basic_machine in
         pc532 | pc532-*)
 		basic_machine=ns32k-pc532
 		;;
-	pentium | p5)
-		basic_machine=i586-intel
+	pentium | p5 | k5 | nexen)
+		basic_machine=i586-pc
 		;;
-	pentiumpro | p6)
-		basic_machine=i686-intel
+	pentiumpro | p6 | k6 | 6x86)
+		basic_machine=i686-pc
 		;;
-	pentium-* | p5-*)
+	pentiumii | pentium2)
+		basic_machine=i786-pc
+		;;
+	pentium-* | p5-* | k5-* | nexen-*)
 		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	pentiumpro-* | p6-*)
+	pentiumpro-* | p6-* | k6-* | 6x86-*)
 		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	k5)
-		# We don't have specific support for AMD's K5 yet, so just call it a Pentium
-		basic_machine=i586-amd
-		;;
-	nexgen)
-		# We don't have specific support for Nexgen yet, so just call it a Pentium
-		basic_machine=i586-nexgen
+	pentiumii-* | pentium2-*)
+		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pn)
 		basic_machine=pn-gould
@@ -578,20 +505,12 @@ case $basic_machine in
 	ps2)
 		basic_machine=i386-ibm
 		;;
-	rom68k)						# CYGNUS LOCAL
-		basic_machine=m68k-rom68k
-		os=-coff
-		;;
 	rm[46]00)
 		basic_machine=mips-siemens
 		;;
 	rtpc | rtpc-*)
 		basic_machine=romp-ibm
 		;;
-	sa29200)					# CYGNUS LOCAL
-		basic_machine=a29k-amd
-		os=-udi
-		;;
 	sequent)
 		basic_machine=i386-sequent
 		;;
@@ -599,24 +518,6 @@ case $basic_machine in
 		basic_machine=sh-hitachi
 		os=-hms
 		;;
-	sparclite-wrs)					# CYGNUS LOCAL
-		basic_machine=sparclite-wrs
-		os=-vxworks
-		;;
-	sparcfrw)					# CYGNUS LOCAL
-		basic_machine=sparcfrw-sun
-		os=-sunos4
-		;;
-	sparcfrwcompat)					# CYGNUS LOCAL
-		basic_machine=sparcfrwcompat-sun
-		os=-sunos4
-		;;
-	sparclitefrw)					# CYGNUS LOCAL
-		basic_machine=sparclitefrw-fujitsu
-		;;
-	sparclitefrwcompat)				# CYGNUS LOCAL
-		basic_machine=sparclitefrwcompat-fujitsu
-		;;
 	sps7)
 		basic_machine=m68k-bull
 		os=-sysv2
@@ -624,13 +525,6 @@ case $basic_machine in
 	spur)
 		basic_machine=spur-unknown
 		;;
-	st2000)						# CYGNUS LOCAL
-		basic_machine=m68k-tandem
-		;;
-	stratus)					# CYGNUS LOCAL
-		basic_machine=i860-stratus
-		os=-sysv4
-		;;
 	sun2)
 		basic_machine=m68000-sun
 		;;
@@ -675,6 +569,12 @@ case $basic_machine in
 		basic_machine=i386-sequent
 		os=-dynix
 		;;
+	tx39)
+		basic_machine=mipstx39-unknown
+		;;
+	tx39el)
+		basic_machine=mipstx39el-unknown
+		;;
 	tower | tower-32)
 		basic_machine=m68k-ncr
 		;;
@@ -686,10 +586,6 @@ case $basic_machine in
 		basic_machine=a29k-nyu
 		os=-sym1
 		;;
-	v810 | necv810)					# CYGNUS LOCAL
-		basic_machine=v810-nec
-		os=-none
-		;;
 	vaxv)
 		basic_machine=vax-dec
 		os=-sysv
@@ -698,6 +594,9 @@ case $basic_machine in
 		basic_machine=vax-dec
 		os=-vms
 		;;
+	vpp*|vx|vx-*)
+               basic_machine=f301-fujitsu
+               ;;
 	vxworks960)
 		basic_machine=i960-wrs
 		os=-vxworks
@@ -706,13 +605,9 @@ case $basic_machine in
 		basic_machine=m68k-wrs
 		os=-vxworks
 		;;
-        vxworks29k)					# CYGNUS LOCAL
-                basic_machine=a29k-wrs
-                os=-vxworks
-                ;;
-	w65*)						# CYGNUS LOCAL
- 		basic_machine=w65-wdc
- 		os=-none
+	vxworks29k)
+		basic_machine=a29k-wrs
+		os=-vxworks
 		;;
 	xmp)
 		basic_machine=xmp-cray
@@ -721,10 +616,6 @@ case $basic_machine in
         xps | xps100)
 		basic_machine=xps100-honeywell
 		;;
-	z8k-*-coff)					# CYGNUS LOCAL
-		basic_machine=z8k-unknown
-		os=-sim
-		;;
 	none)
 		basic_machine=none-none
 		os=-none
@@ -732,17 +623,12 @@ case $basic_machine in
 
 # Here we handle the default manufacturer of certain CPU types.  It is in
 # some cases the only manufacturer, in others, it is the most popular.
-	w89k)						# CYGNUS LOCAL
-		basic_machine=hppa1.1-winbond
-		;;
-	op50n)						# CYGNUS LOCAL
-		basic_machine=hppa1.1-oki
-		;;
-	op60c)						# CYGNUS LOCAL
-		basic_machine=hppa1.1-oki
-		;;
 	mips)
-		basic_machine=mips-mips
+		if [ x$os = x-linux-gnu ]; then
+			basic_machine=mips-unknown
+		else
+			basic_machine=mips-mips
+		fi
 		;;
 	romp)
 		basic_machine=romp-ibm
@@ -771,12 +657,6 @@ case $basic_machine in
 	orion105)
 		basic_machine=clipper-highlevel
 		;;
-	mac | mpw | mac-mpw)				# CYGNUS LOCAL
-		basic_machine=m68k-apple
-		;;
-	pmac | pmac-mpw)				# CYGNUS LOCAL
-		basic_machine=powerpc-apple
-		;;
 	*)
 		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 		exit 1
@@ -800,6 +680,8 @@ esac
 if [ x"$os" != x"" ]
 then
 case $os in
+        # First match some system type aliases
+        # that might get confused with valid system types.
 	# -solaris* is a basic system type, with this one exception.
 	-solaris1 | -solaris1.*)
 		os=`echo $os | sed -e 's|solaris1|sunos4|'`
@@ -807,35 +689,37 @@ case $os in
 	-solaris)
 		os=-solaris2
 		;;
-	-unixware* | svr4*)
+	-svr4*)
 		os=-sysv4
 		;;
+	-unixware*)
+		os=-sysv4.2uw
+		;;
 	-gnu/linux*)
-		os=`echo $os | sed -e 's|gnu/linux|linux|'`
+		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 		;;
 	# First accept the basic system types.
 	# The portable systems comes first.
-	# Each alternative must end in a *, to match a version number.
+	# Each alternative MUST END IN A *, to match a version number.
 	# -sysv* is not here because it comes later, after sysvr4.
-	-gnu* | -bsd* | -mach* | -lites* | -minix* | -genix* | -ultrix* | -irix* \
-	      | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[3456]* \
+	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
-	      | -amigados* | -msdos* | -moss* | -newsos* | -unicos* | -aos* \
-	      | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \
-	      | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \
-	      | -hiux* | -386bsd* | -netbsd* | -freebsd* | -openbsd* \
-	      | -riscix*  | -lites* \
+	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+	      | -aos* \
+	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
 	      | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
-	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta | -udi \
-	      | -eabi* | -ieee*)
+	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -rhapsody* \
+	      | -openstep*)
+	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
-	# CYGNUS LOCAL
-	-go32 | -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
-	      | -windows* | -osx | -abug |  -netware* | -proelf | -os9* \
-	      | -macos* | -mpw* | -magic* | -pe* | -win32)
-		;;
-	-mac*)						# CYGNUS LOCAL
-		os=`echo $os | sed -e 's|mac|macos|'`
+	-linux*)
+		os=`echo $os | sed -e 's|linux|linux-gnu|'`
 		;;
 	-sunos5*)
 		os=`echo $os | sed -e 's|sunos5|solaris2|'`
@@ -858,12 +742,12 @@ case $os in
 	-acis*)
 		os=-aos
 		;;
-	-386bsd)					# CYGNUS LOCAL
-		os=-bsd
-		;;
 	-ctix* | -uts*)
 		os=-sysv
 		;;
+	-ns2 )
+	        os=-nextstep2
+		;;
 	# Preserve the version number of sinix5.
 	-sinix5.*)
 		os=`echo $os | sed -e 's|sinix|sysv|'`
@@ -889,12 +773,6 @@ case $os in
 	# This must come after -sysvr4.
 	-sysv*)
 		;;
-	-ose*)						# CYGNUS LOCAL
-		os=-ose
-		;;
-	-es1800*)					# CYGNUS LOCAL
-		os=-ose
-		;;
 	-xenix)
 		os=-xenix
 		;;
@@ -923,6 +801,9 @@ case $basic_machine in
 	*-acorn)
 		os=-riscix1.2
 		;;
+	arm*-semi)
+		os=-aout
+		;;
         pdp11-*)
 		os=-none
 		;;
@@ -941,30 +822,18 @@ case $basic_machine in
 		# default.
 		# os=-sunos4
 		;;
-	m68*-cisco)					# CYGNUS LOCAL
-		os=-aout
-		;;
-	mips*-cisco)					# CYGNUS LOCAL
-		os=-elf
-		;;
 	*-tti)	# must be before sparc entry or we get the wrong os.
 		os=-sysv3
 		;;
 	sparc-* | *-sun)
 		os=-sunos4.1.1
 		;;
+	*-be)
+		os=-beos
+		;;
 	*-ibm)
 		os=-aix
 		;;
-	*-wec)						# CYGNUS LOCAL
-		os=-proelf
-		;;
-	*-winbond)					# CYGNUS LOCAL
-		os=-proelf
-		;;
-	*-oki)						# CYGNUS LOCAL
-		os=-proelf
-		;;
 	*-hp)
 		os=-hpux
 		;;
@@ -975,7 +844,7 @@ case $basic_machine in
 		os=-sysv
 		;;
 	*-cbm)
-		os=-amigados
+		os=-amigaos
 		;;
 	*-dg)
 		os=-dgux
@@ -989,6 +858,9 @@ case $basic_machine in
 	m88k-omron*)
 		os=-luna
 		;;
+	*-next )
+		os=-nextstep
+		;;
 	*-sequent)
 		os=-ptx
 		;;
@@ -1022,14 +894,8 @@ case $basic_machine in
 	*-masscomp)
 		os=-rtu
 		;;
-	*-rom68k)					# CYGNUS LOCAL
-		os=-coff
-		;;
-	*-*bug)						# CYGNUS LOCAL
-		os=-coff
-		;;
-	*-apple)					# CYGNUS LOCAL
-		os=-macos
+	f301-fujitsu)
+		os=-uxpv
 		;;
 	*)
 		os=-none
@@ -1049,12 +915,6 @@ case $basic_machine in
 			-sunos*)
 				vendor=sun
 				;;
-			-bosx*)				# CYGNUS LOCAL
-				vendor=bull
-				;;
-			-lynxos*)
-				vendor=lynx
-				;;
 			-aix*)
 				vendor=ibm
 				;;
@@ -1082,13 +942,10 @@ case $basic_machine in
 			-ptx*)
 				vendor=sequent
 				;;
-			-vxworks*)
+			-vxsim* | -vxworks*)
 				vendor=wrs
 				;;
-			-hms*)				# CYGNUS LOCAL
-				vendor=hitachi
-				;;
-			-mpw* | -macos*)		# CYGNUS LOCAL
+			-aux*)
 				vendor=apple
 				;;
 		esac

configure.in

@@ -37,6 +37,7 @@ AC_TYPE_MODE_T
 AC_TYPE_OFF_T
 AC_TYPE_SIZE_T
 AC_TYPE_PID_T
+AC_TYPE_GETGROUPS
 AC_STRUCT_ST_RDEV
 AC_CHECK_TYPE(ino_t,unsigned)
 
@@ -49,22 +50,40 @@ fi
 
 AC_FUNC_MEMCMP
 AC_FUNC_UTIME_NULL
-AC_CHECK_FUNCS(mmap munmap waitpid getcwd strdup strerror chown chmod mknod)
+AC_CHECK_FUNCS(waitpid wait4 getcwd strdup strerror chown chmod mknod)
 AC_CHECK_FUNCS(fchmod fstat strchr readlink link utime utimes strftime)
-AC_CHECK_FUNCS(memmove getopt_long lchown vsnprintf snprintf setsid glob strpbrk)
+AC_CHECK_FUNCS(memmove lchown vsnprintf snprintf setsid glob strpbrk)
 AC_CHECK_FUNCS(strlcat strlcpy)
 
-echo $ac_n "checking for working fnmatch... $ac_c"
+AC_CACHE_CHECK([for working fnmatch],rsync_cv_HAVE_FNMATCH,[
 AC_TRY_RUN([#include <fnmatch.h>
-main() { exit(fnmatch("*.o", "x.o", 0) == 0? 0: 1); }],
-echo yes;AC_DEFINE(HAVE_FNMATCH), 
-echo no)
+main() { exit(fnmatch("*.o", "x.o", FNM_PATHNAME) == 0? 0: 1); }],
+rsync_cv_HAVE_FNMATCH=yes,rsync_cv_HAVE_FNMATCH=no,rsync_cv_HAVE_FNMATCH=cross)])
+if test x"$rsync_cv_HAVE_FNMATCH" = x"yes"; then
+    AC_DEFINE(HAVE_FNMATCH)
+fi
 
-AC_CACHE_CHECK([for long long],rsync_cv_have_longlong,[
+# sometimes getopt_long cannot parse same arguments twice
+# e.g. on certain versions of CygWin32
+AC_CACHE_CHECK([for working getopt_long],rsync_cv_HAVE_GETOPT_LONG,[
+AC_TRY_RUN([#include <getopt.h>
+main() {
+    int i, x = 0; char *argv[] = { "x", "--xx" };
+    struct option o[] = {{"xx", 0, 0, 1}, {0,0,0,0}};
+    getopt_long(2, argv, "x", o, &i) == 1 ? x++ : 0; optind = 0;
+    getopt_long(2, argv, "x", o, &i) == 1 ? x++ : 0;
+    exit(x == 2 ? 0 : 1);
+}], rsync_cv_HAVE_GETOPT_LONG=yes,rsync_cv_HAVE_GETOPT_LONG=no,
+    rsync_cv_HAVE_GETOPT_LONG=cross)])
+if test x"$rsync_cv_HAVE_GETOPT_LONG" = x"yes"; then
+    AC_DEFINE(HAVE_GETOPT_LONG)
+fi
+
+AC_CACHE_CHECK([for long long],rsync_cv_HAVE_LONGLONG,[
 AC_TRY_RUN([#include <stdio.h>
 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
-rsync_cv_have_longlong=yes,rsync_cv_have_longlong=no,rsync_cv_have_longlong=cross)])
-if test x"$rsync_cv_have_longlong" = x"yes"; then
+rsync_cv_HAVE_LONGLONG=yes,rsync_cv_HAVE_LONGLONG=no,rsync_cv_HAVE_LONGLONG=cross)])
+if test x"$rsync_cv_HAVE_LONGLONG" = x"yes"; then
     AC_DEFINE(HAVE_LONGLONG)
 fi
 
@@ -77,13 +96,15 @@ if test x"$rsync_cv_HAVE_OFF64_T" = x"yes"; then
     AC_DEFINE(HAVE_OFF64_T)
 fi
 
-echo $ac_n "checking for short ino_t ... $ac_c"
+AC_CACHE_CHECK([for short ino_t],rsync_cv_HAVE_SHORT_INO_T,[
 AC_TRY_RUN([#include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 main() { if (sizeof(ino_t) < sizeof(unsigned int)) return 0; return 1; }],
-echo yes;AC_DEFINE(HAVE_SHORT_INO_T), 
-echo no)
+rsync_cv_HAVE_SHORT_INO_T=yes,rsync_cv_HAVE_SHORT_INO_T=no,rsync_cv_HAVE_SHORT_INO_T=cross)])
+if test x"$rsync_cv_HAVE_SHORT_INO_T" = x"yes"; then
+    AC_DEFINE(HAVE_SHORT_INO_T)
+fi
 
 AC_CACHE_CHECK([for unsigned char],rsync_cv_HAVE_UNSIGNED_CHAR,[
 AC_TRY_RUN([#include <stdio.h>
@@ -173,24 +194,29 @@ fi
 #
 # The following test was mostly taken from the tcl/tk plus patches
 #
-echo $ac_n "checking whether -c -o works ... $ac_c"
+AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
 rm -rf conftest*
 cat > conftest.$ac_ext <<EOF
 int main() { return 0; }
 EOF
 ${CC-cc} -c -o conftest..o conftest.$ac_ext
 if test -f conftest..o; then
+    rsync_cv_DASHC_WORKS_WITH_DASHO=yes
+else
+    rsync_cv_DASHC_WORKS_WITH_DASHO=no
+fi
+rm -rf conftest*
+])
+if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
     OBJ_SAVE="#"
     OBJ_RESTORE="#"
     CC_SHOBJ_FLAG='-o $@'
-    echo yes
 else
     OBJ_SAVE='	@b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
     OBJ_RESTORE='	@b=`basename $@ .o`;if test "$$b.o" != "$@"; then mv $$b.o $@; if test -f $$b.o.sav; then mv $$b.o.sav $$b.o; fi; fi'
     CC_SHOBJ_FLAG=""
-    echo no
 fi
-rm -rf conftest*
+
 AC_SUBST(OBJ_SAVE)
 AC_SUBST(OBJ_RESTORE)
 AC_SUBST(CC_SHOBJ_FLAG)

exclude.c

@@ -23,6 +23,7 @@
 #include "rsync.h"
 
 extern int verbose;
+extern int delete_mode;
 
 static struct exclude_struct **exclude_list;
 
@@ -41,7 +42,7 @@ int send_included_file_names(int f,struct file_list *flist)
 	int n;
 	char *p;
 
-	if (!only_included_files || (exclude_the_rest == NULL))
+	if (!only_included_files || (exclude_the_rest == NULL) || delete_mode)
 		return 0;
 
 	if (verbose > 1) {
@@ -60,7 +61,10 @@ int send_included_file_names(int f,struct file_list *flist)
 			/* skip the allowed beginning slashes */
 			p++;
 		}
-		send_file_name(f,flist,p,0,0);
+		/* silently skip files that don't exist to
+		   be more like non-optimized case */
+		if (access(p,0) == 0)
+			send_file_name(f,flist,p,0,0);
 	}
 	exclude_list = ex_list;
 	
@@ -97,6 +101,7 @@ static struct exclude_struct *make_exclude(char *pattern, int include)
 		    only_included_files = 0;
 	    }
 	    ret->regular_exp = 1;
+	    ret->fnmatch_flags = strstr(pattern, "**") ? 0 : FNM_PATHNAME;
 	} else if (!ret->include) {
 		only_included_files = 0;
 	}
@@ -140,7 +145,7 @@ static int check_one_exclude(char *name,struct exclude_struct *ex,
 	}
 
 	if (ex->regular_exp) {
-		if (fnmatch(pattern, name, 0) == 0)
+		if (fnmatch(pattern, name, ex->fnmatch_flags) == 0)
 			return 1;
 	} else {
 		int l1 = strlen(name);
@@ -234,7 +239,12 @@ struct exclude_struct **make_exclude_list(char *fname,
 		int l = strlen(line);
 		if (l && line[l-1] == '\n') l--;
 		line[l] = 0;
-		if (line[0]) add_exclude_list(line,&list,include);
+		if (line[0] && (line[0] != ';') && (line[0] != '#')) {
+			/* Skip lines starting with semicolon or pound.
+			   It probably wouldn't cause any harm to not skip
+			     them but there's no need to save them. */
+			add_exclude_list(line,&list,include);
+		}
 	}
 	fclose(f);
 	return list;
@@ -293,14 +303,62 @@ void recv_exclude_list(int f)
 	}
 }
 
+/* Get the next include/exclude arg from the string. It works in a similar way
+** to strtok - initially an arg is sent over, from then on NULL. This
+** routine takes into account any +/- in the strings and does not
+** consider the space following it as a delimeter.
+*/
+char *get_exclude_tok(char *p)
+{
+	static char *s;
+	static int more;
+	char *t;
 
+	if (p) {
+		s=p;
+		if (*p)
+			more=1;
+	}
+
+	if (!more)
+		return(NULL);
+
+	/* Skip over any initial spaces */
+	while(isspace(*s))
+		s++;
+
+	/* Are we at the end of the string? */
+	if (*s) {
+		/* remember the beginning of the token */
+		t=s;
+
+		/* Is this a '+' or '-' followed by a space (not whitespace)? */
+		if ((*s=='+' || *s=='-') && *(s+1)==' ')
+			s+=2;
+	
+		/* Skip to the next space or the end of the string */
+		while(!isspace(*s) && *s!='\0')
+			s++;
+	} else {
+		t=NULL;
+	}
+
+	/* Have we reached the end of the string? */
+	if (*s)
+		*s++='\0';
+	else
+		more=0;
+	return(t);
+}
+
+	
 void add_exclude_line(char *p)
 {
 	char *tok;
 	if (!p || !*p) return;
 	p = strdup(p);
 	if (!p) out_of_memory("add_exclude_line");
-	for (tok=strtok(p," "); tok; tok=strtok(NULL," "))
+ 	for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL))
 		add_exclude(tok, 0);
 	free(p);
 }
@@ -311,7 +369,7 @@ void add_include_line(char *p)
 	if (!p || !*p) return;
 	p = strdup(p);
 	if (!p) out_of_memory("add_include_line");
-	for (tok=strtok(p," "); tok; tok=strtok(NULL," "))
+	for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL))
 		add_exclude(tok, 1);
 	free(p);
 }

fileio.c

@@ -49,8 +49,9 @@ static int write_sparse(int f,char *buf,int len)
 	if (l1 == len || l2 > 0)
 		last_sparse=1;
 
-	if (l1 > 0)
+	if (l1 > 0) {
 		do_lseek(f,l1,SEEK_CUR);  
+	}
 
 	if (l1 == len) 
 		return len;
@@ -72,8 +73,9 @@ int write_file(int f,char *buf,int len)
 {
 	int ret = 0;
 
-	if (!sparse_files) 
+	if (!sparse_files) {
 		return write(f,buf,len);
+	}
 
 	while (len>0) {
 		int len1 = MIN(len, SPARSE_WRITE_SIZE);
@@ -91,123 +93,116 @@ int write_file(int f,char *buf,int len)
 
 
 
+/* this provides functionality somewhat similar to mmap() but using
+   read(). It gives sliding window access to a file. mmap() is not
+   used because of the possibility of another program (such as a
+   mailer) truncating the file thus giving us a SIGBUS */
 struct map_struct *map_file(int fd,OFF_T len)
 {
-	struct map_struct *ret;
-	ret = (struct map_struct *)malloc(sizeof(*ret));
-	if (!ret) out_of_memory("map_file");
+	struct map_struct *map;
+	map = (struct map_struct *)malloc(sizeof(*map));
+	if (!map) out_of_memory("map_file");
 
-	ret->map = NULL;
-	ret->fd = fd;
-	ret->size = len;
-	ret->p = NULL;
-	ret->p_size = 0;
-	ret->p_offset = 0;
-	ret->p_len = 0;
+	map->fd = fd;
+	map->file_size = len;
+	map->p = NULL;
+	map->p_size = 0;
+	map->p_offset = 0;
+	map->p_fd_offset = 0;
+	map->p_len = 0;
 
-#ifdef USE_MMAP
-	len = MIN(len, MAX_MAP_SIZE);
-	ret->map = (char *)do_mmap(NULL,len,PROT_READ,MAP_SHARED,fd,0);
-	if (ret->map == (char *)-1) {
-		ret->map = NULL;
-	} else {
-		ret->p_len = len;
-	}
-#endif
-	return ret;
+	return map;
 }
 
-
+/* slide the read window in the file */
 char *map_ptr(struct map_struct *map,OFF_T offset,int len)
 {
 	int nread;
+	OFF_T window_start, read_start;
+	int window_size, read_size, read_offset;
 
-	if (len == 0) 
+	if (len == 0) {
 		return NULL;
-
-	if (len > (map->size-offset))
-		len = map->size-offset;
-
-#ifdef USE_MMAP
-	if (map->map) {
-		if (offset >= map->p_offset && 
-		    offset+len <= map->p_offset+map->p_len) {
-			return (map->map + (offset - map->p_offset));
-		}
-		if (munmap(map->map, map->p_len) != 0) {
-			rprintf(FERROR,"munmap failed : %s\n", strerror(errno));
-			exit_cleanup(RERR_MALLOC);
-		}
-
-		/* align the mmap region on a nice boundary back a bit from
-		   where it is asked for to allow for some seeking */
-		if (offset > 2*CHUNK_SIZE) {
-			map->p_offset = offset - 2*CHUNK_SIZE;
-			map->p_offset &= ~((OFF_T)(CHUNK_SIZE-1));
-		} else {
-			map->p_offset = 0;
-		}
-		
-		/* map up to MAX_MAP_SIZE */
-		map->p_len = MAX(len, MAX_MAP_SIZE);
-		map->p_len = MIN(map->p_len, map->size - map->p_offset);
-
-		map->map = (char *)do_mmap(NULL,map->p_len,PROT_READ,
-					   MAP_SHARED,map->fd,map->p_offset);
-
-		if (map->map == (char *)-1) {
-			map->map = NULL;
-			map->p_len = 0;
-			map->p_offset = 0;
-		} else {
-			return (map->map + (offset - map->p_offset));
-		}
 	}
-#endif
 
+	/* can't go beyond the end of file */
+	if (len > (map->file_size - offset)) {
+		len = map->file_size - offset;
+	}
+
+	/* in most cases the region will already be available */
 	if (offset >= map->p_offset && 
 	    offset+len <= map->p_offset+map->p_len) {
 		return (map->p + (offset - map->p_offset));
 	}
 
-	len = MAX(len,CHUNK_SIZE);
-	if (len > (map->size-offset))
-		len = map->size-offset;
 
-	if (len > map->p_size) {
-		if (map->p) free(map->p);
-		map->p = (char *)malloc(len);
+	/* nope, we are going to have to do a read. Work out our desired window */
+	if (offset > 2*CHUNK_SIZE) {
+		window_start = offset - 2*CHUNK_SIZE;
+		window_start &= ~((OFF_T)(CHUNK_SIZE-1)); /* assumes power of 2 */
+	} else {
+		window_start = 0;
+	}
+	window_size = MAX_MAP_SIZE;
+	if (window_start + window_size > map->file_size) {
+		window_size = map->file_size - window_start;
+	}
+	if (offset + len > window_start + window_size) {
+		window_size = (offset+len) - window_start;
+	}
+
+	/* make sure we have allocated enough memory for the window */
+	if (window_size > map->p_size) {
+		map->p = (char *)Realloc(map->p, window_size);
 		if (!map->p) out_of_memory("map_ptr");
-		map->p_size = len;
+		map->p_size = window_size;
 	}
 
-	map->p_offset = offset;
-	map->p_len = len;
-
-	if (do_lseek(map->fd,offset,SEEK_SET) != offset) {
-		rprintf(FERROR,"lseek failed in map_ptr\n");
-		exit_cleanup(RERR_FILEIO);
+	/* now try to avoid re-reading any bytes by reusing any bytes from the previous
+	   buffer. */
+	if (window_start >= map->p_offset &&
+	    window_start < map->p_offset + map->p_len &&
+	    window_start + window_size >= map->p_offset + map->p_len) {
+		read_start = map->p_offset + map->p_len;
+		read_offset = read_start - window_start;
+		read_size = window_size - read_offset;
+		memmove(map->p, map->p + (map->p_len - read_offset), read_offset);
+	} else {
+		read_start = window_start;
+		read_size = window_size;
+		read_offset = 0;
 	}
 
-	if ((nread=read(map->fd,map->p,len)) != len) {		
-		if (nread < 0) nread = 0;
-		/* the best we can do is zero the buffer - the file
-                   has changed mid transfer! */
-		memset(map->p+nread, 0, len - nread);
+	if (read_size <= 0) {
+		rprintf(FINFO,"Warning: unexpected read size of %d in map_ptr\n", read_size);
+	} else {
+		if (map->p_fd_offset != read_start) {
+			if (do_lseek(map->fd,read_start,SEEK_SET) != read_start) {
+				rprintf(FERROR,"lseek failed in map_ptr\n");
+				exit_cleanup(RERR_FILEIO);
+			}
+			map->p_fd_offset = read_start;
+		}
+
+		if ((nread=read(map->fd,map->p + read_offset,read_size)) != read_size) {
+			if (nread < 0) nread = 0;
+			/* the best we can do is zero the buffer - the file
+			   has changed mid transfer! */
+			memset(map->p+read_offset+nread, 0, read_size - nread);
+		}
+		map->p_fd_offset += nread;
 	}
+
+	map->p_offset = window_start;
+	map->p_len = window_size;
   
-	return map->p; 
+	return map->p + (offset - map->p_offset); 
 }
 
 
 void unmap_file(struct map_struct *map)
 {
-#ifdef USE_MMAP
-	if (map->map) {
-		munmap(map->map,map->p_len);
-		map->map = NULL;
-	}
-#endif
 	if (map->p) {
 		free(map->p);
 		map->p = NULL;

flist.c

@@ -44,9 +44,12 @@ extern int preserve_gid;
 extern int preserve_times;
 extern int relative_paths;
 extern int copy_links;
+extern int copy_unsafe_links;
 extern int remote_version;
 extern int io_error;
 
+static char topsrcname[MAXPATHLEN];
+
 static struct exclude_struct **local_exclude_list;
 
 static void clean_flist(struct file_list *flist, int strip_root);
@@ -85,6 +88,32 @@ static void list_file_entry(struct file_struct *f)
 }
 
 
+int readlink_stat(const char *Path, STRUCT_STAT *Buffer, char *Linkbuf) 
+{
+#if SUPPORT_LINKS
+	if (copy_links) {
+		return do_stat(Path, Buffer);
+	}
+	if (do_lstat(Path, Buffer) == -1) {
+		return -1;
+	}
+	if (S_ISLNK(Buffer->st_mode)) {
+		int l;
+		if ((l = readlink(Path,Linkbuf,MAXPATHLEN-1)) == -1) {
+			return -1;
+		}
+		Linkbuf[l] = 0;
+		if (copy_unsafe_links && (topsrcname[0] != '\0') &&
+				    unsafe_symlink(Linkbuf, topsrcname)) {
+			return do_stat(Path, Buffer);
+		}
+	}
+	return 0;
+#else
+	return do_stat(Path, Buffer);
+#endif
+}
+
 int link_stat(const char *Path, STRUCT_STAT *Buffer) 
 {
 #if SUPPORT_LINKS
@@ -366,13 +395,15 @@ static int skip_filesystem(char *fname, STRUCT_STAT *st)
 	return (st2.st_dev != filesystem_dev);
 }
 
-static struct file_struct *make_file(char *fname)
+static struct file_struct *make_file(int f, char *fname)
 {
 	struct file_struct *file;
 	STRUCT_STAT st;
 	char sum[SUM_LENGTH];
 	char *p;
 	char cleaned_name[MAXPATHLEN];
+	char linkbuf[MAXPATHLEN];
+	extern int delete_excluded;
 
 	strlcpy(cleaned_name, fname, MAXPATHLEN);
 	cleaned_name[MAXPATHLEN-1] = 0;
@@ -381,7 +412,7 @@ static struct file_struct *make_file(char *fname)
 
 	memset(sum,0,SUM_LENGTH);
 
-	if (link_stat(fname,&st) != 0) {
+	if (readlink_stat(fname,&st,linkbuf) != 0) {
 		io_error = 1;
 		rprintf(FERROR,"%s: %s\n",
 			fname,strerror(errno));
@@ -398,11 +429,12 @@ static struct file_struct *make_file(char *fname)
 			return NULL;
 	}
 	
-	if (!match_file_name(fname,&st))
+	/* f is set to -1 when calculating deletion file list */
+	if (((f != -1) || !delete_excluded) && !match_file_name(fname,&st))
 		return NULL;
 	
 	if (verbose > 2)
-		rprintf(FINFO,"make_file(%s)\n",fname);
+		rprintf(FINFO,"make_file(%d,%s)\n",f,fname);
 	
 	file = (struct file_struct *)malloc(sizeof(*file));
 	if (!file) out_of_memory("make_file");
@@ -437,16 +469,7 @@ static struct file_struct *make_file(char *fname)
 
 #if SUPPORT_LINKS
 	if (S_ISLNK(st.st_mode)) {
-		int l;
-		char lnk[MAXPATHLEN];
-		if ((l=readlink(fname,lnk,MAXPATHLEN-1)) == -1) {
-			io_error=1;
-			rprintf(FERROR,"readlink %s : %s\n",
-				fname,strerror(errno));
-			return NULL;
-		}
-		lnk[l] = 0;
-		file->link = strdup(lnk);
+		file->link = strdup(linkbuf);
 	}
 #endif
 
@@ -488,7 +511,7 @@ void send_file_name(int f,struct file_list *flist,char *fname,
 {
   struct file_struct *file;
 
-  file = make_file(fname);
+  file = make_file(f,fname);
 
   if (!file) return;  
   
@@ -609,14 +632,22 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 	}
 
 	for (i=0;i<argc;i++) {
-		char fname2[MAXPATHLEN];
-		char *fname = fname2;
+		char *fname = topsrcname;
 
 		strlcpy(fname,argv[i],MAXPATHLEN);
 
 		l = strlen(fname);
 		if (l != 1 && fname[l-1] == '/') {
-			strlcat(fname,".",MAXPATHLEN);
+			if ((l == 2) && (fname[0] == '.')) {
+				/*  Turn ./ into just . rather than ./.
+				    This was put in to avoid a problem with
+				      rsync -aR --delete from ./
+				    The send_file_name() below of ./ was
+				    mysteriously preventing deletes */
+				fname[1] = 0;
+			} else {
+				strlcat(fname,".",MAXPATHLEN);
+			}
 		}
 
 		if (link_stat(fname,&st) != 0) {
@@ -652,10 +683,17 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 				*p = '/';
 				for (p=fname+1; (p=strchr(p,'/')); p++) {
 					int copy_links_saved = copy_links;
+					int recurse_saved = recurse;
 					*p = 0;
-					copy_links = 0;
+					copy_links = copy_unsafe_links;
+					/* set recurse to 1 to prevent make_file
+					   from ignoring directory, but still
+					   turn off the recursive parameter to
+					   send_file_name */
+					recurse = 1;
 					send_file_name(f, flist, fname, 0, 0);
 					copy_links = copy_links_saved;
+					recurse = recurse_saved;
 					*p = '/';
 				}
 			} else {
@@ -695,6 +733,8 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 		}
 	}
 
+	topsrcname[0] = '\0';
+
 	if (f != -1) {
 		send_file_entry(NULL,f,0);
 	}

generator.c

@@ -31,6 +31,7 @@ extern int whole_file;
 extern int block_size;
 extern int csum_length;
 extern int ignore_times;
+extern int size_only;
 extern int io_timeout;
 extern int remote_version;
 extern int always_checksum;
@@ -52,6 +53,10 @@ static int skip_file(char *fname,
 		return (memcmp(sum,file->sum,csum_length) == 0);
 	}
 
+	if (size_only) {
+		return 1;
+	}
+
 	if (ignore_times) {
 		return 0;
 	}
@@ -177,7 +182,7 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
 	if (S_ISDIR(file->mode)) {
 		if (dry_run) return;
 		if (statret == 0 && !S_ISDIR(st.st_mode)) {
-			if (do_unlink(fname) != 0) {
+			if (robust_unlink(fname) != 0) {
 				rprintf(FERROR,"unlink %s : %s\n",fname,strerror(errno));
 				return;
 			}
@@ -312,7 +317,8 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
 	}
 
 	if (skip_file(fname, file, &st)) {
-		set_perms(fname,file,&st,1);
+		if (fnamecmp == fname)
+			set_perms(fname,file,&st,1);
 		return;
 	}
 

hlink.c

@@ -120,7 +120,7 @@ static void hard_link_one(int i)
 	} else {
 		if (st2.st_dev == st1.st_dev && st2.st_ino == st1.st_ino) return;
 		
-		if (do_unlink(f_name(&hlink_list[i])) != 0 ||
+		if (robust_unlink(f_name(&hlink_list[i])) != 0 ||
 		    do_link(f_name(&hlink_list[i-1]),f_name(&hlink_list[i])) != 0) {
 			if (verbose > 0)
 				rprintf(FINFO,"link %s => %s : %s\n",

lib/compat.c

@@ -46,7 +46,25 @@
 #ifndef HAVE_WAITPID
  pid_t waitpid(pid_t pid, int *statptr, int options)
 {
+#ifdef HAVE_WAIT4
 	return wait4(pid, statptr, options, NULL);
+#else
+	/* If wait4 is also not available, try wait3 for SVR3 variants */
+	/* Less ideal because can't actually request a specific pid */
+	/* At least the WNOHANG option is supported */
+	/* Code borrowed from apache fragment written by dwd@bell-labs.com */
+	int tmp_pid, dummystat;;
+	if (kill(pid, 0) == -1) {
+		errno = ECHILD;
+		return -1;
+	}
+	if (statptr == NULL)
+		statptr = &dummystat;
+	while (((tmp_pid = wait3(statptr, options, 0)) != pid) &&
+		    (tmp_pid != -1) && (tmp_pid != 0) && (pid != -1))
+	    ;
+	return tmp_pid;
+#endif
 }
 #endif
 
@@ -54,7 +72,7 @@
 #ifndef HAVE_MEMMOVE
  void *memmove(void *dest, const void *src, size_t n)
 {
-	memcpy(dest, src, n);
+	bcopy((char *) src, (char *) dest, n);
 	return dest;
 }
 #endif

loadparm.c

@@ -44,9 +44,6 @@
  */
 
 #include "rsync.h"
-#define BOOL int
-#define False 0
-#define True 1
 #define PTR_DIFF(p1,p2) ((ptrdiff_t)(((char *)(p1)) - (char *)(p2)))
 #define strequal(a,b) (strcasecmp(a,b)==0)
 #define BOOLSTR(b) ((b) ? "Yes" : "No")
@@ -97,11 +94,9 @@ static BOOL bLoaded = False;
 typedef struct
 {
 	char *motd_file;
-	char *lock_file;
 	char *log_file;
 	char *pid_file;
 	int syslog_facility;
-	int max_connections;
 	char *socket_options;
 } global;
 
@@ -117,6 +112,7 @@ typedef struct
 	char *name;
 	char *path;
 	char *comment;
+	char *lock_file;
 	BOOL read_only;
 	BOOL list;
 	BOOL use_chroot;
@@ -127,6 +123,7 @@ typedef struct
 	char *hosts_deny;
 	char *auth_users;
 	char *secrets_file;
+	BOOL strict_modes;
 	char *exclude;
 	char *exclude_from;
 	char *include;
@@ -135,6 +132,7 @@ typedef struct
 	char *refuse_options;
 	char *dont_compress;
 	int timeout;
+	int max_connections;
 } service;
 
 
@@ -144,6 +142,7 @@ static service sDefault =
 	NULL,    /* name */
 	NULL,    /* path */
 	NULL,    /* comment */
+	DEFAULT_LOCK_FILE,    /* lock file */
 	True,    /* read only */
 	True,    /* list */
 	True,    /* use chroot */
@@ -154,6 +153,7 @@ static service sDefault =
 	NULL,    /* hosts deny */
 	NULL,    /* auth users */
 	NULL,    /* secrets file */
+	True,   /* strict modes */
 	NULL,    /* exclude */
 	NULL,    /* exclude from */
 	NULL,    /* include */
@@ -161,7 +161,8 @@ static service sDefault =
 	"%o %h [%a] %m (%u) %f %l",    /* log format */
 	NULL,    /* refuse options */
 	"*.gz *.tgz *.zip *.z *.rpm *.deb",    /* dont compress */
-	0        /* timeout */
+	0,        /* timeout */
+	0        /* max connections */
 };
 
 
@@ -244,17 +245,17 @@ static struct enum_list enum_facilities[] = {
 /* note that we do not initialise the defaults union - it is not allowed in ANSI C */
 static struct parm_struct parm_table[] =
 {
-  {"max connections",  P_INTEGER, P_GLOBAL, &Globals.max_connections,NULL, 0},
   {"motd file",        P_STRING,  P_GLOBAL, &Globals.motd_file,    NULL,   0},
-  {"lock file",        P_STRING,  P_GLOBAL, &Globals.lock_file,    NULL,   0},
   {"syslog facility",  P_ENUM,    P_GLOBAL, &Globals.syslog_facility, enum_facilities,0},
   {"socket options",   P_STRING,  P_GLOBAL, &Globals.socket_options,NULL,  0},
   {"log file",         P_STRING,  P_GLOBAL, &Globals.log_file,      NULL,  0},
   {"pid file",         P_STRING,  P_GLOBAL, &Globals.pid_file,      NULL,  0},
 
   {"timeout",          P_INTEGER, P_LOCAL,  &sDefault.timeout,     NULL,  0},
+  {"max connections",  P_INTEGER, P_LOCAL,  &sDefault.max_connections,NULL, 0},
   {"name",             P_STRING,  P_LOCAL,  &sDefault.name,        NULL,   0},
   {"comment",          P_STRING,  P_LOCAL,  &sDefault.comment,     NULL,   0},
+  {"lock file",        P_STRING,  P_LOCAL,  &sDefault.lock_file,   NULL,   0},
   {"path",             P_STRING,  P_LOCAL,  &sDefault.path,        NULL,   0},
   {"read only",        P_BOOL,    P_LOCAL,  &sDefault.read_only,   NULL,   0},
   {"list",             P_BOOL,    P_LOCAL,  &sDefault.list,        NULL,   0},
@@ -265,6 +266,7 @@ static struct parm_struct parm_table[] =
   {"hosts deny",       P_STRING,  P_LOCAL,  &sDefault.hosts_deny,  NULL,   0},
   {"auth users",       P_STRING,  P_LOCAL,  &sDefault.auth_users,  NULL,   0},
   {"secrets file",     P_STRING,  P_LOCAL,  &sDefault.secrets_file,NULL,   0},
+  {"strict modes",     P_BOOL,    P_LOCAL,  &sDefault.strict_modes,NULL,   0},
   {"exclude",          P_STRING,  P_LOCAL,  &sDefault.exclude,     NULL,   0},
   {"exclude from",     P_STRING,  P_LOCAL,  &sDefault.exclude_from,NULL,   0},
   {"include",          P_STRING,  P_LOCAL,  &sDefault.include,     NULL,   0},
@@ -286,7 +288,6 @@ static void init_globals(void)
 #ifdef LOG_DAEMON
 	Globals.syslog_facility = LOG_DAEMON;
 #endif
-	Globals.lock_file = "/var/run/rsyncd.lock";
 }
 
 /***************************************************************************
@@ -322,16 +323,15 @@ static void init_locals(void)
 
 
 FN_GLOBAL_STRING(lp_motd_file, &Globals.motd_file)
-FN_GLOBAL_STRING(lp_lock_file, &Globals.lock_file)
 FN_GLOBAL_STRING(lp_log_file, &Globals.log_file)
 FN_GLOBAL_STRING(lp_pid_file, &Globals.pid_file)
 FN_GLOBAL_STRING(lp_socket_options, &Globals.socket_options)
-FN_GLOBAL_INTEGER(lp_max_connections, &Globals.max_connections)
 FN_GLOBAL_INTEGER(lp_syslog_facility, &Globals.syslog_facility)
 
 FN_LOCAL_STRING(lp_name, name)
 FN_LOCAL_STRING(lp_comment, comment)
 FN_LOCAL_STRING(lp_path, path)
+FN_LOCAL_STRING(lp_lock_file, lock_file)
 FN_LOCAL_BOOL(lp_read_only, read_only)
 FN_LOCAL_BOOL(lp_list, list)
 FN_LOCAL_BOOL(lp_use_chroot, use_chroot)
@@ -342,6 +342,7 @@ FN_LOCAL_STRING(lp_hosts_allow, hosts_allow)
 FN_LOCAL_STRING(lp_hosts_deny, hosts_deny)
 FN_LOCAL_STRING(lp_auth_users, auth_users)
 FN_LOCAL_STRING(lp_secrets_file, secrets_file)
+FN_LOCAL_BOOL(lp_strict_modes, strict_modes)
 FN_LOCAL_STRING(lp_exclude, exclude)
 FN_LOCAL_STRING(lp_exclude_from, exclude_from)
 FN_LOCAL_STRING(lp_include, include)
@@ -350,6 +351,7 @@ FN_LOCAL_STRING(lp_log_format, log_format)
 FN_LOCAL_STRING(lp_refuse_options, refuse_options)
 FN_LOCAL_STRING(lp_dont_compress, dont_compress)
 FN_LOCAL_INTEGER(lp_timeout, timeout)
+FN_LOCAL_INTEGER(lp_max_connections, max_connections)
 
 /* local prototypes */
 static int    strwicmp( char *psz1, char *psz2 );

log.c

@@ -87,8 +87,11 @@ void log_open(void)
 	int len;
 	FILE *f=NULL;
 	extern int am_daemon;
+	extern int quiet;
 	/* recursion can happen with certain fatal conditions */
 
+	if (quiet != 0 && fd == FINFO) return;
+
 	va_start(ap, format);
 	len = vslprintf(buf, sizeof(buf), format, ap);
 	va_end(ap);
@@ -289,9 +292,9 @@ void log_recv(struct file_struct *file, struct stats *initial_stats)
 	extern char *log_format;
 
 	if (lp_transfer_logging(module_id)) {
-		log_formatted(FLOG, lp_log_format(module_id), "send", file, initial_stats);
+		log_formatted(FLOG, lp_log_format(module_id), "recv", file, initial_stats);
 	} else if (log_format && !am_server) {
-		log_formatted(FINFO, log_format, "send", file, initial_stats);
+		log_formatted(FINFO, log_format, "recv", file, initial_stats);
 	}
 }
 

main.c

@@ -34,32 +34,46 @@ static void report(int f)
 	extern int am_sender;
 	extern int am_daemon;
 	extern int do_stats;
+	extern int remote_version;
+	int send_stats;
 
 	if (am_daemon) {
 		log_exit(0, __FILE__, __LINE__);
 		if (f == -1 || !am_sender) return;
 	}
 
-	if (!verbose) return;
-
-	if (am_server && !am_sender) return;
-
-	if (am_server && am_sender) {
-		write_longint(f,stats.total_read);
-		write_longint(f,stats.total_written);
-		write_longint(f,stats.total_size);
+	send_stats = verbose || (remote_version >= 20);
+	if (am_server) {
+		if (am_sender && send_stats) {
+			int64 w;
+			/* store total_written in a temporary
+			    because write_longint changes it */
+			w = stats.total_written;
+			write_longint(f,stats.total_read);
+			write_longint(f,w);
+			write_longint(f,stats.total_size);
+		}
 		return;
 	}
-    
-	if (!am_sender) {
+
+	/* this is the client */
+	    
+	if (!am_sender && send_stats) {
 		int64 r;
 		stats.total_written = read_longint(f);
+		/* store total_read in a temporary, read_longint changes it */
 		r = read_longint(f);
 		stats.total_size = read_longint(f);
 		stats.total_read = r;
 	}
 
 	if (do_stats) {
+		if (!am_sender && !send_stats) {
+		    /* missing the bytes written by the generator */
+		    rprintf(FINFO, "\nCannot show stats as receiver because remote protocol version is less than 20\n");
+		    rprintf(FINFO, "Use --stats -v to show stats\n");
+		    return;
+		}
 		rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files);
 		rprintf(FINFO,"Number of files transferred: %d\n", 
 		       stats.num_transferred_files);
@@ -78,13 +92,15 @@ static void report(int f)
 		       (double)stats.total_read);
 	}
 	
-	rprintf(FINFO,"wrote %.0f bytes  read %.0f bytes  %.2f bytes/sec\n",
-	       (double)stats.total_written,
-	       (double)stats.total_read,
-	       (stats.total_written+stats.total_read)/(0.5 + (t-starttime)));
-	rprintf(FINFO,"total size is %.0f  speedup is %.2f\n",
-	       (double)stats.total_size,
-	       (1.0*stats.total_size)/(stats.total_written+stats.total_read));
+	if (verbose || do_stats) {
+		rprintf(FINFO,"wrote %.0f bytes  read %.0f bytes  %.2f bytes/sec\n",
+		       (double)stats.total_written,
+		       (double)stats.total_read,
+		       (stats.total_written+stats.total_read)/(0.5 + (t-starttime)));
+		rprintf(FINFO,"total size is %.0f  speedup is %.2f\n",
+		       (double)stats.total_size,
+		       (1.0*stats.total_size)/(stats.total_written+stats.total_read));
+	}
 
 	fflush(stdout);
 	fflush(stderr);
@@ -171,7 +187,10 @@ static char *get_local_name(struct file_list *flist,char *name)
 
 	if (verbose > 2)
 		rprintf(FINFO,"get_local_name count=%d %s\n", 
-			flist->count, name);
+			flist->count, NS(name));
+
+	if (!name) 
+		return NULL;
 
 	if (do_stat(name,&st) == 0) {
 		if (S_ISDIR(st.st_mode)) {
@@ -189,12 +208,9 @@ static char *get_local_name(struct file_list *flist,char *name)
 		return name;
 	}
 
-	if (flist->count == 1)
+	if (flist->count <= 1)
 		return name;
 
-	if (!name) 
-		return NULL;
-
 	if (do_mkdir(name,0777 & ~orig_umask) != 0) {
 		rprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
 		exit_cleanup(RERR_FILEIO);
@@ -318,6 +334,7 @@ static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
 	char *local_name=NULL;
 	char *dir = NULL;
 	extern int delete_mode;
+	extern int delete_excluded;
 	extern int am_daemon;
 
 	if (verbose > 2)
@@ -334,12 +351,12 @@ static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
 		}    
 	}
 
-	if (delete_mode)
+	if (delete_mode && !delete_excluded)
 		recv_exclude_list(f_in);
 
 	flist = recv_file_list(f_in);
-	if (!flist || flist->count == 0) {
-		rprintf(FERROR,"server_recv: nothing to do\n");
+	if (!flist) {
+		rprintf(FERROR,"server_recv: recv_file_list error\n");
 		exit_cleanup(RERR_FILESELECT);
 	}
 	
@@ -391,9 +408,10 @@ int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
 	if (am_sender) {
 		extern int cvs_exclude;
 		extern int delete_mode;
+		extern int delete_excluded;
 		if (cvs_exclude)
 			add_cvs_excludes();
-		if (delete_mode) 
+		if (delete_mode && !delete_excluded) 
 			send_exclude_list(f_out);
 		flist = send_file_list(f_out,argc,argv);
 		if (verbose > 3) 
@@ -592,7 +610,7 @@ int main(int argc,char *argv[])
 	   carried across */
 	orig_umask = (int)umask(0);
 
-	if (!parse_arguments(argc, argv)) {
+	if (!parse_arguments(argc, argv, 1)) {
 		exit_cleanup(RERR_SYNTAX);
 	}
 
@@ -606,6 +624,12 @@ int main(int argc,char *argv[])
 	signal(SIGHUP,SIGNAL_CAST sig_int);
 	signal(SIGTERM,SIGNAL_CAST sig_int);
 
+	/* Initialize push_dir here because on some old systems getcwd
+	   (implemented by forking "pwd" and reading its output) doesn't
+	   work when there are other child processes.  Also, on all systems
+	   that implement getcwd that way "pwd" can't be found after chroot. */
+	push_dir(NULL,0);
+
 	if (am_daemon) {
 		return daemon_main();
 	}

match.c

@@ -120,7 +120,7 @@ static void matched(int f,struct sum_struct *s,struct map_struct *buf,
 		last_match = offset;
 
 	if (buf)
-		show_progress(last_match, buf->size);
+		show_progress(last_match, buf->file_size);
 
 	if (i == -1) end_progress();
 }
@@ -130,12 +130,16 @@ static void hash_search(int f,struct sum_struct *s,
 			struct map_struct *buf,OFF_T len)
 {
 	OFF_T offset;
-	int j,k;
+	int j,k, last_i;
 	int end;
 	char sum2[SUM_LENGTH];
 	uint32 s1, s2, sum; 
 	schar *map;
 
+	/* last_i is used to encourage adjacent matches, allowing the RLL coding of the
+	   output to work more efficiently */
+	last_i = -1;
+
 	if (verbose > 2)
 		rprintf(FINFO,"hash search b=%d len=%d\n",s->n,(int)len);
 
@@ -172,16 +176,19 @@ static void hash_search(int f,struct sum_struct *s,
 		sum = (s1 & 0xffff) | (s2 << 16);
 		tag_hits++;
 		for (; j<s->count && targets[j].t == t; j++) {
-			int i = targets[j].i;
+			int l, i = targets[j].i;
 			
 			if (sum != s->sums[i].sum1) continue;
 			
+			/* also make sure the two blocks are the same length */
+			l = MIN(s->n,len-offset);
+			if (l != s->sums[i].len) continue;			
+
 			if (verbose > 3)
 				rprintf(FINFO,"potential match at %d target=%d %d sum=%08x\n",
 					(int)offset,j,i,sum);
 			
 			if (!done_csum2) {
-				int l = MIN(s->n,len-offset);
 				map = (schar *)map_ptr(buf,offset,l);
 				get_checksum2((char *)map,l,sum2);
 				done_csum2 = 1;
@@ -191,6 +198,22 @@ static void hash_search(int f,struct sum_struct *s,
 				false_alarms++;
 				continue;
 			}
+
+			/* we've found a match, but now check to see
+                           if last_i can hint at a better match */
+			for (j++; j<s->count && targets[j].t == t; j++) {
+				int i2 = targets[j].i;
+				if (i2 == last_i + 1) {
+					if (sum != s->sums[i2].sum1) break;
+					if (memcmp(sum2,s->sums[i2].sum2,csum_length) != 0) break;
+					/* we've found an adjacent match - the RLL coder 
+					   will be happy */
+					i = i2;
+					break;
+				}
+			}
+
+			last_i = i;
 			
 			matched(f,s,buf,offset,i);
 			offset += s->sums[i].len - 1;

md4.c

@@ -1,263 +0,0 @@
-/*
-   This code is from rfc1186. 
-
-   It has been modified to use the SIVAL() macro to make it
-   byte order and length independent, so we don't need the LOWBYTEFIRST define
-*/
-
- /*
- ** ********************************************************************
- ** md4.c -- Implementation of MD4 Message Digest Algorithm           **
- ** Updated: 2/16/90 by Ronald L. Rivest                              **
- ** (C) 1990 RSA Data Security, Inc.                                  **
- ** ********************************************************************
- */
-
- /*
- ** To use MD4:
- **   -- Include md4.h in your program
- **   -- Declare an MDstruct MD to hold the state of the digest
- **          computation.
- **   -- Initialize MD using MDbegin(&MD)
- **   -- For each full block (64 bytes) X you wish to process, call
- **          MDupdate(&MD,X,512)
- **      (512 is the number of bits in a full block.)
- **   -- For the last block (less than 64 bytes) you wish to process,
- **          MDupdate(&MD,X,n)
- **      where n is the number of bits in the partial block. A partial
- **      block terminates the computation, so every MD computation
- **      should terminate by processing a partial block, even if it
- **      has n = 0.
- **   -- The message digest is available in MD.buffer[0] ...
- **      MD.buffer[3].  (Least-significant byte of each word
- **      should be output first.)
- **   -- You can print out the digest using MDprint(&MD)
- */
-
-#define TRUE  1
-#define FALSE 0
-
- /* Compile-time includes
- */
-
-#include "rsync.h"
-
- /* Compile-time declarations of MD4 "magic constants".
- */
-#define I0  0x67452301       /* Initial values for MD buffer */
-#define I1  0xefcdab89
-#define I2  0x98badcfe
-#define I3  0x10325476
-#define C2  013240474631     /* round 2 constant = sqrt(2) in octal */
-#define C3  015666365641     /* round 3 constant = sqrt(3) in octal */
- /* C2 and C3 are from Knuth, The Art of Programming, Volume 2
- ** (Seminumerical Algorithms), Second Edition (1981), Addison-Wesley.
- ** Table 2, page 660.
- */
-
-#define fs1  3               /* round 1 shift amounts */
-#define fs2  7
-#define fs3 11
-#define fs4 19
-#define gs1  3               /* round 2 shift amounts */
-#define gs2  5
-#define gs3  9
-#define gs4 13
-#define hs1  3               /* round 3 shift amounts */
-#define hs2  9
-#define hs3 11
-#define hs4 15
-
- /* Compile-time macro declarations for MD4.
- ** Note: The "rot" operator uses the variable "tmp".
- ** It assumes tmp is declared as unsigned int, so that the >>
- ** operator will shift in zeros rather than extending the sign bit.
- */
-#define f(X,Y,Z)             ((X&Y) | ((~X)&Z))
-#define g(X,Y,Z)             ((X&Y) | (X&Z) | (Y&Z))
-#define h(X,Y,Z)             (X^Y^Z)
-#define rot(X,S)             (tmp=X,(tmp<<S) | (tmp>>(32-S)))
-#define ff(A,B,C,D,i,s)      A = rot((A + f(B,C,D) + X[i]),s)
-#define gg(A,B,C,D,i,s)      A = rot((A + g(B,C,D) + X[i] + C2),s)
-#define hh(A,B,C,D,i,s)      A = rot((A + h(B,C,D) + X[i] + C3),s)
-
- /* MDbegin(MDp)
- ** Initialize message digest buffer MDp.
- ** This is a user-callable routine.
- */
- void
- MDbegin(MDp)
- MDptr MDp;
- { int i;
-   MDp->buffer[0] = I0;
-   MDp->buffer[1] = I1;
-   MDp->buffer[2] = I2;
-   MDp->buffer[3] = I3;
-   for (i=0;i<8;i++) MDp->count[i] = 0;
-   MDp->done = 0;
- }
-
- /* MDreverse(X)
- ** Reverse the byte-ordering of every int in X.
- ** Assumes X is an array of 16 ints.
- ** The macro revx reverses the byte-ordering of the next word of X.
- */
-static void MDreverse(X)
- unsigned int32 *X;
- { register unsigned int32 t;
-   register unsigned int i;
-
-   for(i = 0; i < 16; i++) {
-	  t = X[i];
-	  SIVAL(X,i*4,t);
-	}
- }
-
- /* MDblock(MDp,X)
- ** Update message digest buffer MDp->buffer using 16-word data block X.
- ** Assumes all 16 words of X are full of data.
- ** Does not update MDp->count.
- ** This routine is not user-callable.
- */
- static void
- MDblock(MDp,X)
- MDptr MDp;
- unsigned int32 *X;
- {
-   register unsigned int32 tmp, A, B, C, D;
-   MDreverse(X);
-   A = MDp->buffer[0];
-   B = MDp->buffer[1];
-   C = MDp->buffer[2];
-   D = MDp->buffer[3];
-   /* Update the message digest buffer */
-   ff(A , B , C , D ,  0 , fs1); /* Round 1 */
-   ff(D , A , B , C ,  1 , fs2);
-   ff(C , D , A , B ,  2 , fs3);
-   ff(B , C , D , A ,  3 , fs4);
-   ff(A , B , C , D ,  4 , fs1);
-   ff(D , A , B , C ,  5 , fs2);
-   ff(C , D , A , B ,  6 , fs3);
-   ff(B , C , D , A ,  7 , fs4);
-   ff(A , B , C , D ,  8 , fs1);
-   ff(D , A , B , C ,  9 , fs2);
-   ff(C , D , A , B , 10 , fs3);
-   ff(B , C , D , A , 11 , fs4);
-   ff(A , B , C , D , 12 , fs1);
-   ff(D , A , B , C , 13 , fs2);
-   ff(C , D , A , B , 14 , fs3);
-   ff(B , C , D , A , 15 , fs4);
-   gg(A , B , C , D ,  0 , gs1); /* Round 2 */
-   gg(D , A , B , C ,  4 , gs2);
-   gg(C , D , A , B ,  8 , gs3);
-   gg(B , C , D , A , 12 , gs4);
-   gg(A , B , C , D ,  1 , gs1);
-   gg(D , A , B , C ,  5 , gs2);
-   gg(C , D , A , B ,  9 , gs3);
-   gg(B , C , D , A , 13 , gs4);
-   gg(A , B , C , D ,  2 , gs1);
-   gg(D , A , B , C ,  6 , gs2);
-   gg(C , D , A , B , 10 , gs3);
-   gg(B , C , D , A , 14 , gs4);
-   gg(A , B , C , D ,  3 , gs1);
-   gg(D , A , B , C ,  7 , gs2);
-   gg(C , D , A , B , 11 , gs3);
-   gg(B , C , D , A , 15 , gs4);
-   hh(A , B , C , D ,  0 , hs1); /* Round 3 */
-   hh(D , A , B , C ,  8 , hs2);
-   hh(C , D , A , B ,  4 , hs3);
-   hh(B , C , D , A , 12 , hs4);
-   hh(A , B , C , D ,  2 , hs1);
-   hh(D , A , B , C , 10 , hs2);
-   hh(C , D , A , B ,  6 , hs3);
-   hh(B , C , D , A , 14 , hs4);
-   hh(A , B , C , D ,  1 , hs1);
-   hh(D , A , B , C ,  9 , hs2);
-   hh(C , D , A , B ,  5 , hs3);
-   hh(B , C , D , A , 13 , hs4);
-   hh(A , B , C , D ,  3 , hs1);
-   hh(D , A , B , C , 11 , hs2);
-   hh(C , D , A , B ,  7 , hs3);
-   hh(B , C , D , A , 15 , hs4);
-   MDp->buffer[0] += A;
-   MDp->buffer[1] += B;
-   MDp->buffer[2] += C;
-   MDp->buffer[3] += D;
- }
-
- /* MDupdate(MDp,X,count)
- ** Input: MDp -- an MDptr
- **        X -- a pointer to an array of unsigned characters.
- **        count -- the number of bits of X to use.
- **          (if not a multiple of 8, uses high bits of last byte.)
- ** Update MDp using the number of bits of X given by count.
- ** This is the basic input routine for an MD4 user.
- ** The routine completes the MD computation when count < 512, so
- ** every MD computation should end with one call to MDupdate with a
- ** count less than 512.  A call with count 0 will be ignored if the
- ** MD has already been terminated (done != 0), so an extra call with
- ** count 0 can be given as a "courtesy close" to force termination
- ** if desired.
- */
- void
- MDupdate(MDp,X,count)
- MDptr MDp;
- unsigned char *X;
- unsigned int count;
- { unsigned int32 i, tmp, bit, byte, mask;
-   unsigned char XX[64];
-   unsigned char *p;
-   /* return with no error if this is a courtesy close with count
-   ** zero and MDp->done is true.
-   */
-   if (count == 0 && MDp->done) return;
-   /* check to see if MD is already done and report error */
-   if (MDp->done)
-          { rprintf(FERROR,"\nError: MDupdate MD already done."); return; }
-   /* Add count to MDp->count */
-   tmp = count;
-   p = MDp->count;
-   while (tmp)
-     { tmp += *p;
-       *p++ = tmp;
-       tmp = tmp >> 8;
-     }
-   /* Process data */
-   if (count == 512)
-     { /* Full block of data to handle */
-       MDblock(MDp,(unsigned int32 *)X);
-     }
-   else if (count > 512) /* Check for count too large */
-     { rprintf(FERROR,"\nError: MDupdate called with illegal count value %d."
-              ,count);
-       return;
-     }
-   else /* partial block -- must be last block so finish up */
-     { /* Find out how many bytes and residual bits there are */
-       byte = count >> 3;
-       bit =  count & 7;
-       /* Copy X into XX since we need to modify it */
-       for (i=0;i<=byte;i++)   XX[i] = X[i];
-       for (i=byte+1;i<64;i++) XX[i] = 0;
-       /* Add padding '1' bit and low-order zeros in last byte */
-       mask = 1 << (7 - bit);
-       XX[byte] = (XX[byte] | mask) & ~( mask - 1);
-       /* If room for bit count, finish up with this block */
-       if (byte <= 55)
-         { for (i=0;i<8;i++) XX[56+i] = MDp->count[i];
-           MDblock(MDp,(unsigned int32 *)XX);
-         }
-       else /* need to do two blocks to finish up */
-         { MDblock(MDp,(unsigned int32 *)XX);
-           for (i=0;i<56;i++) XX[i] = 0;
-           for (i=0;i<8;i++)  XX[56+i] = MDp->count[i];
-           MDblock(MDp,(unsigned int32 *)XX);
-         }
-       /* Set flag saying we're done with MD computation */
-       MDp->done = 1;
-     }
- }
-
- /*
- ** End of md4.c
- */

md4.h

@@ -1,49 +0,0 @@
-/*
-   This code is from rfc1186. 
-*/
-
- /*
- ** ********************************************************************
- ** md4.h -- Header file for implementation of                        **
- ** MD4 Message Digest Algorithm                                      **
- ** Updated: 2/13/90 by Ronald L. Rivest                              **
- ** (C) 1990 RSA Data Security, Inc.                                  **
- ** ********************************************************************
- */
-
- /* MDstruct is the data structure for a message digest computation.
- */
- typedef struct {
-   unsigned int32 buffer[4]; /* Holds 4-word result of MD computation */
-   unsigned char count[8]; /* Number of bits processed so far */
-   unsigned int done;      /* Nonzero means MD computation finished */
- } MDstruct, *MDptr;
-
- /* MDbegin(MD)
-
-
-
- ** Input: MD -- an MDptr
- ** Initialize the MDstruct prepatory to doing a message digest
- ** computation.
- */
- extern void MDbegin();
-
- /* MDupdate(MD,X,count)
- ** Input: MD -- an MDptr
- **        X -- a pointer to an array of unsigned characters.
- **        count -- the number of bits of X to use (an unsigned int).
- ** Updates MD using the first "count" bits of X.
- ** The array pointed to by X is not modified.
- ** If count is not a multiple of 8, MDupdate uses high bits of
- ** last byte.
- ** This is the basic input routine for a user.
- ** The routine terminates the MD computation when count < 512, so
- ** every MD computation should end with one call to MDupdate with a
- ** count less than 512.  Zero is OK for a count.
- */
- extern void MDupdate();
-
- /*
- ** End of md4.h
- */

options.c

@@ -37,6 +37,7 @@ int dry_run=0;
 int local_server=0;
 int ignore_times=0;
 int delete_mode=0;
+int delete_excluded=0;
 int one_file_system=0;
 int remote_version=0;
 int sparse_files=0;
@@ -54,13 +55,13 @@ int am_server = 0;
 int am_sender=0;
 int recurse = 0;
 int am_daemon=0;
-int am_client=0;
 int do_stats=0;
 int do_progress=0;
 int keep_partial=0;
 int safe_symlinks=0;
-
+int copy_unsafe_links=0;
 int block_size=BLOCK_SIZE;
+int size_only=0;
 
 char *backup_suffix = BACKUP_SUFFIX;
 char *tmpdir = NULL;
@@ -68,11 +69,12 @@ char *compare_dest = NULL;
 char *config_file = RSYNCD_CONF;
 char *shell_cmd = NULL;
 char *log_format = NULL;
-
+char *password_file = NULL;
 char *rsync_path = RSYNC_NAME;
 int rsync_port = RSYNC_PORT;
 
 int verbose = 0;
+int quiet = 0;
 int always_checksum = 0;
 int list_only = 0;
 
@@ -83,22 +85,28 @@ void usage(int F)
 
   rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
 
-  rprintf(F,"Usage: rsync [OPTION]... SRC [USER@]HOST:DEST\n");
+  rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
   rprintf(F,"  or   rsync [OPTION]... [USER@]HOST:SRC DEST\n");
-  rprintf(F,"  or   rsync [OPTION]... SRC DEST\n");
+  rprintf(F,"  or   rsync [OPTION]... SRC [SRC]... DEST\n");
   rprintf(F,"  or   rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
-  rprintf(F,"  or   rsync [OPTION]... SRC [USER@]HOST::DEST\n");
+  rprintf(F,"  or   rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
   rprintf(F,"  or   rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
+  rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
+  rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
+  rprintf(F,"  sources separated by space as long as they have same top-level\n");
   rprintf(F,"\nOptions\n");
   rprintf(F," -v, --verbose               increase verbosity\n");
+  rprintf(F," -q, --quiet                 decrease verbosity\n");
   rprintf(F," -c, --checksum              always checksum\n");
   rprintf(F," -a, --archive               archive mode\n");
   rprintf(F," -r, --recursive             recurse into directories\n");
   rprintf(F," -R, --relative              use relative path names\n");
-  rprintf(F," -b, --backup                make backups (default ~ extension)\n");
+  rprintf(F," -b, --backup                make backups (default %s suffix)\n",BACKUP_SUFFIX);
+  rprintf(F,"     --suffix=SUFFIX         override backup suffix\n");  
   rprintf(F," -u, --update                update only (don't overwrite newer files)\n");
   rprintf(F," -l, --links                 preserve soft links\n");
   rprintf(F," -L, --copy-links            treat soft links like regular files\n");
+  rprintf(F,"     --copy-unsafe-links     copy links outside the source tree\n");
   rprintf(F,"     --safe-links            ignore links outside the destination tree\n");
   rprintf(F," -H, --hard-links            preserve hard links\n");
   rprintf(F," -p, --perms                 preserve permissions\n");
@@ -110,16 +118,18 @@ void usage(int F)
   rprintf(F," -n, --dry-run               show what would have been transferred\n");
   rprintf(F," -W, --whole-file            copy whole files, no incremental checks\n");
   rprintf(F," -x, --one-file-system       don't cross filesystem boundaries\n");
-  rprintf(F," -B, --block-size=SIZE       checksum blocking size\n");  
+  rprintf(F," -B, --block-size=SIZE       checksum blocking size (default %d)\n",BLOCK_SIZE);  
   rprintf(F," -e, --rsh=COMMAND           specify rsh replacement\n");
   rprintf(F,"     --rsync-path=PATH       specify path to rsync on the remote machine\n");
   rprintf(F," -C, --cvs-exclude           auto ignore files in the same way CVS does\n");
   rprintf(F,"     --delete                delete files that don't exist on the sending side\n");
+  rprintf(F,"     --delete-excluded       also delete excluded files on the receiving side\n");
   rprintf(F,"     --partial               keep partially transferred files\n");
   rprintf(F,"     --force                 force deletion of directories even if not empty\n");
   rprintf(F,"     --numeric-ids           don't map uid/gid values by user/group name\n");
   rprintf(F,"     --timeout=TIME          set IO timeout in seconds\n");
   rprintf(F," -I, --ignore-times          don't exclude files that match length and time\n");
+  rprintf(F,"     --size-only             only use file size when determining if a file should be transferred\n");
   rprintf(F," -T  --temp-dir=DIR          create temporary files in directory DIR\n");
   rprintf(F,"     --compare-dest=DIR      also compare destination files relative to DIR\n");
   rprintf(F," -z, --compress              compress file data\n");
@@ -127,7 +137,6 @@ void usage(int F)
   rprintf(F,"     --exclude-from=FILE     exclude patterns listed in FILE\n");
   rprintf(F,"     --include=PATTERN       don't exclude files matching PATTERN\n");
   rprintf(F,"     --include-from=FILE     don't exclude patterns listed in FILE\n");
-  rprintf(F,"     --suffix=SUFFIX         override backup suffix\n");  
   rprintf(F,"     --version               print version number\n");  
   rprintf(F,"     --daemon                run as a rsync daemon\n");  
   rprintf(F,"     --config=FILE           specify alternate rsyncd.conf file\n");  
@@ -135,29 +144,30 @@ void usage(int F)
   rprintf(F,"     --stats                 give some file transfer stats\n");  
   rprintf(F,"     --progress              show progress during transfer\n");  
   rprintf(F,"     --log-format=FORMAT     log file transfers using specified format\n");  
+  rprintf(F,"     --password-file=FILE    get password from FILE\n");
   rprintf(F," -h, --help                  show this help screen\n");
 
   rprintf(F,"\n");
-  rprintf(F,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
-  rprintf(F,"the block size defaults to %d\n",BLOCK_SIZE);  
 
   rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
   rprintf(F,"See http://rsync.samba.org/ for updates and bug reports\n");
 }
 
-enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
-      OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH,
-      OPT_FORCE,OPT_TIMEOUT,OPT_DAEMON,OPT_CONFIG,OPT_PORT,
+enum {OPT_VERSION, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
+      OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
+      OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
       OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
-      OPT_SAFE_LINKS, OPT_COMPARE_DEST, OPT_LOG_FORMAT};
+      OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
+      OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY};
 
-static char *short_options = "oblLWHpguDCtcahvrRIxnSe:B:T:z";
+static char *short_options = "oblLWHpguDCtcahvqrRIxnSe:B:T:z";
 
 static struct option long_options[] = {
   {"version",     0,     0,    OPT_VERSION},
   {"server",      0,     0,    OPT_SERVER},
   {"sender",      0,     0,    OPT_SENDER},
   {"delete",      0,     0,    OPT_DELETE},
+  {"delete-excluded", 0, 0,    OPT_DELETE_EXCLUDED},
   {"force",       0,     0,    OPT_FORCE},
   {"numeric-ids", 0,     0,    OPT_NUMERIC_IDS},
   {"exclude",     1,     0,    OPT_EXCLUDE},
@@ -165,8 +175,10 @@ static struct option long_options[] = {
   {"include",     1,     0,    OPT_INCLUDE},
   {"include-from",1,     0,    OPT_INCLUDE_FROM},
   {"rsync-path",  1,     0,    OPT_RSYNC_PATH},
+  {"password-file", 1,	0,     OPT_PASSWORD_FILE},
   {"one-file-system",0,  0,    'x'},
   {"ignore-times",0,     0,    'I'},
+  {"size-only",   0,     0,    OPT_SIZE_ONLY},
   {"help",        0,     0,    'h'},
   {"dry-run",     0,     0,    'n'},
   {"sparse",      0,     0,    'S'},
@@ -176,12 +188,14 @@ static struct option long_options[] = {
   {"backup",      0,     0,    'b'},
   {"update",      0,     0,    'u'},
   {"verbose",     0,     0,    'v'},
+  {"quiet",       0,     0,    'q'},
   {"recursive",   0,     0,    'r'},
   {"relative",    0,     0,    'R'},
   {"devices",     0,     0,    'D'},
   {"perms",       0,     0,    'p'},
   {"links",       0,     0,    'l'},
   {"copy-links",  0,     0,    'L'},
+  {"copy-unsafe-links", 0, 0,  OPT_COPY_UNSAFE_LINKS},
   {"safe-links",  0,     0,    OPT_SAFE_LINKS},
   {"whole-file",  0,     0,    'W'},
   {"hard-links",  0,     0,    'H'},
@@ -248,7 +262,7 @@ static int check_refuse_options(char *ref, int opt)
 }
 
 
-int parse_arguments(int argc, char *argv[])
+int parse_arguments(int argc, char *argv[], int frommain)
 {
 	int opt;
 	int option_index;
@@ -276,11 +290,19 @@ int parse_arguments(int argc, char *argv[])
 		case OPT_RSYNC_PATH:
 			rsync_path = optarg;
 			break;
-			
+	
+		case OPT_PASSWORD_FILE:
+			password_file =optarg;
+			break;		
+
 		case 'I':
 			ignore_times = 1;
 			break;
 
+		case OPT_SIZE_ONLY:
+			size_only = 1;
+			break;
+
 		case 'x':
 			one_file_system=1;
 			break;
@@ -289,6 +311,11 @@ int parse_arguments(int argc, char *argv[])
 			delete_mode = 1;
 			break;
 
+		case OPT_DELETE_EXCLUDED:
+			delete_excluded = 1;
+			delete_mode = 1;
+			break;
+
 		case OPT_FORCE:
 			force_delete = 1;
 			break;
@@ -313,6 +340,10 @@ int parse_arguments(int argc, char *argv[])
 			add_exclude_file(optarg,1, 1);
 			break;
 
+		case OPT_COPY_UNSAFE_LINKS:
+			copy_unsafe_links=1;
+			break;
+
 		case OPT_SAFE_LINKS:
 			safe_symlinks=1;
 			break;
@@ -391,6 +422,10 @@ int parse_arguments(int argc, char *argv[])
 			verbose++;
 			break;
 
+		case 'q':
+			if (frommain) quiet++;
+			break;
+
 		case 'a':
 			recurse=1;
 #if SUPPORT_LINKS
@@ -503,6 +538,7 @@ void server_options(char **args,int *argc)
 	argstr[0] = '-';
 	for (i=0;i<verbose;i++)
 		argstr[x++] = 'v';
+	/* the -q option is intentionally left out */
 	if (make_backups)
 		argstr[x++] = 'b';
 	if (update_only)
@@ -562,15 +598,24 @@ void server_options(char **args,int *argc)
 		args[ac++] = backup_suffix;
 	}
 
-	if (delete_mode)
+	if (delete_mode && !delete_excluded)
 		args[ac++] = "--delete";
 
+	if (delete_excluded)
+		args[ac++] = "--delete-excluded";
+
+	if (size_only)
+		args[ac++] = "--size-only";
+
 	if (keep_partial)
 		args[ac++] = "--partial";
 
 	if (force_delete)
 		args[ac++] = "--force";
 
+	if (copy_unsafe_links)
+		args[ac++] = "--copy-unsafe-links";
+
 	if (safe_symlinks)
 		args[ac++] = "--safe-links";
 

packaging/redhat/5.0/rsync.spec

@@ -1,10 +1,10 @@
 Summary: Program for efficient remote updates of files.
 Name: rsync
-Version: 2.2.1
+Version: 2.3.1
 Release: 1
 Copyright: GPL
 Group: Applications/Networking
-Source:	ftp://samba.anu.edu.au/pub/rsync/rsync-2.2.1.tar.gz
+Source:	ftp://samba.anu.edu.au/pub/rsync/rsync-2.3.1.tar.gz
 URL: http://samba.anu.edu.au/rsync/
 Packager: Andrew Tridgell <tridge@samba.anu.edu.au>
 BuildRoot: /tmp/rsync
@@ -21,6 +21,8 @@ A technical report describing the rsync algorithm is included with
 this package. 
 
 %changelog
+* Mon Jan 25 1999 Stefan Hornburg <racke@linuxia.de>
+  quoted RPM_OPT_FLAGS for the sake of robustness  
 * Mon May 18 1998 Andrew Tridgell <tridge@samba.anu.edu.au>
   reworked for auto-building when I release rsync (tridge@samba.anu.edu.au)
 
@@ -58,7 +60,7 @@ previous package(s).)
 
 %build
 ./configure --prefix=/usr
-make CFLAGS=$RPM_OPT_FLAGS
+make CFLAGS="$RPM_OPT_FLAGS"
 strip rsync
 
 %install

packaging/redhat/5.0/rsync.spec.tmpl

@@ -21,6 +21,8 @@ A technical report describing the rsync algorithm is included with
 this package. 
 
 %changelog
+* Mon Jan 25 1999 Stefan Hornburg <racke@linuxia.de>
+  quoted RPM_OPT_FLAGS for the sake of robustness  
 * Mon May 18 1998 Andrew Tridgell <tridge@samba.anu.edu.au>
   reworked for auto-building when I release rsync (tridge@samba.anu.edu.au)
 
@@ -58,7 +60,7 @@ previous package(s).)
 
 %build
 ./configure --prefix=/usr
-make CFLAGS=$RPM_OPT_FLAGS
+make CFLAGS="$RPM_OPT_FLAGS"
 strip rsync
 
 %install

params.c

@@ -74,9 +74,6 @@
  */
 
 #include "rsync.h"
-#define BOOL int
-#define False 0
-#define True 1
 
 /* -------------------------------------------------------------------------- **
  * Constants...

receiver.c

@@ -83,7 +83,7 @@ static void add_delete_entry(struct file_struct *file)
 static void delete_one(struct file_struct *f)
 {
 	if (!S_ISDIR(f->mode)) {
-		if (do_unlink(f_name(f)) != 0) {
+		if (robust_unlink(f_name(f)) != 0) {
 			rprintf(FERROR,"unlink %s : %s\n",f_name(f),strerror(errno));
 		} else if (verbose) {
 			rprintf(FINFO,"deleting %s\n",f_name(f));
@@ -412,17 +412,21 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen)
 		   setuid/setgid bits to ensure that there is no race
 		   condition. They are then correctly updated after
 		   the lchown. Thanks to snabb@epipe.fi for pointing
-		   this out */
+		   this out.  We also set it initially without group
+		   access because of a similar race condition. */
 		fd2 = do_open(fnametmp,O_WRONLY|O_CREAT|O_EXCL,
-			      file->mode & ACCESSPERMS);
+			      file->mode & INITACCESSPERMS);
 
+		/* in most cases parent directories will already exist
+		   because their information should have been previously
+		   transferred, but that may not be the case with -R */
 		if (fd2 == -1 && relative_paths && errno == ENOENT && 
 		    create_directory_path(fnametmp) == 0) {
 			fd2 = do_open(fnametmp,O_WRONLY|O_CREAT|O_EXCL,
-				      file->mode & ACCESSPERMS);
+				      file->mode & INITACCESSPERMS);
 		}
 		if (fd2 == -1) {
-			rprintf(FERROR,"open %s : %s\n",fnametmp,strerror(errno));
+			rprintf(FERROR,"cannot create %s : %s\n",fnametmp,strerror(errno));
 			receive_data(f_in,buf,-1,NULL,file->length);
 			if (buf) unmap_file(buf);
 			if (fd1 != -1) close(fd1);
@@ -473,7 +477,7 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen)
 	for (i = 0; i < flist->count; i++) {
 		file = flist->files[i];
 		if (!file->basename || !S_ISDIR(file->mode)) continue;
-		recv_generator(f_name(file),flist,i,-1);
+		recv_generator(local_name?local_name:f_name(file),flist,i,-1);
 	}
 
 	if (verbose > 2)

rsync.c

@@ -57,7 +57,7 @@ int delete_file(char *fname)
 	int ret;
 	extern int recurse;
 
-	if (do_unlink(fname) == 0 || errno == ENOENT) return 0;
+	if (robust_unlink(fname) == 0 || errno == ENOENT) return 0;
 
 #if SUPPORT_LINKS
 	ret = do_lstat(fname, &st);
@@ -113,12 +113,46 @@ int delete_file(char *fname)
 	return 0;
 }
 
+static int is_in_group(gid_t gid)
+{
+#ifdef GETGROUPS_T
+	static gid_t last_in = (gid_t) -2, last_out;
+	static int ngroups = -2;
+	static GETGROUPS_T *gidset;
+	int n;
+
+	if (gid == last_in)
+		return last_out;
+	if (ngroups < -1) {
+		/* treat failure (-1) as if not member of any group */
+		ngroups = getgroups(0, 0);
+		if (ngroups > 0) {
+			gidset = (GETGROUPS_T *) malloc(ngroups * sizeof(GETGROUPS_T));
+			ngroups = getgroups(ngroups, gidset);
+		}
+	}
+
+	last_in = gid;
+	last_out = 0;
+	for (n = 0; n < ngroups; n++) {
+		if (gidset[n] == gid) {
+			last_out = 1;
+			break;
+		}
+	}
+	return last_out;
+
+#else
+	return 0;
+#endif
+}
 
 int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
 	      int report)
 {
 	int updated = 0;
 	STRUCT_STAT st2;
+	int change_uid, change_gid;
 	extern int am_daemon;
 
 	if (dry_run) return 0;
@@ -145,33 +179,40 @@ int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
 		}
 	}
 
-	if ((am_root || !am_daemon) &&
-	    ((am_root && preserve_uid && st->st_uid != file->uid) || 
-	     (preserve_gid && st->st_gid != file->gid))) {
+	change_uid = am_root && preserve_uid && st->st_uid != file->uid;
+	change_gid = !am_daemon && preserve_gid && file->gid != (gid_t) -1 && \
+				st->st_gid != file->gid;
+	if (change_gid && !am_root) {
+		/* enforce bsd-style group semantics: non-root can only
+		    change to groups that the user is a member of */
+		change_gid = is_in_group(file->gid);
+	}
+	if (change_uid || change_gid) {
 		if (do_lchown(fname,
-			      (am_root&&preserve_uid)?file->uid:-1,
-			      preserve_gid?file->gid:-1) != 0) {
-			if (preserve_uid && st->st_uid != file->uid)
-				updated = 1;
-			if (verbose>1 || preserve_uid) {
-				rprintf(FERROR,"chown %s : %s\n",
-					fname,strerror(errno));
-				return 0;
-			}
-		} else {
-			updated = 1;
+			      change_uid?file->uid:st->st_uid,
+			      change_gid?file->gid:st->st_gid) != 0) {
+			/* shouldn't have attempted to change uid or gid
+			     unless have the privilege */
+			rprintf(FERROR,"chown %s : %s\n", fname,strerror(errno));
+			return 0;
 		}
+		updated = 1;
 	}
 
 #ifdef HAVE_CHMOD
-	if (preserve_perms && !S_ISLNK(st->st_mode) &&
-	    (st->st_mode != file->mode || 
-	     (updated && (file->mode & ~ACCESSPERMS)))) {
-		updated = 1;
-		if (do_chmod(fname,file->mode) != 0) {
-			rprintf(FERROR,"failed to set permissions on %s : %s\n",
-				fname,strerror(errno));
-			return 0;
+	if (!S_ISLNK(st->st_mode)) {
+		int file_mode;
+		if (preserve_perms)
+			file_mode = file->mode;
+		else
+			file_mode = file->mode & ACCESSPERMS;
+		if (st->st_mode != file->mode) {
+			updated = 1;
+			if (do_chmod(fname,file_mode) != 0) {
+				rprintf(FERROR,"failed to set permissions on %s : %s\n",
+					fname,strerror(errno));
+				return 0;
+			}
 		}
 	}
 #endif
@@ -199,10 +240,11 @@ int make_backup(char *fname)
 		return 0;
 	}
 
-	slprintf(fnamebak,sizeof(fnamebak)-1,"%s%s",fname,backup_suffix);
+	slprintf(fnamebak,sizeof(fnamebak),"%s%s",fname,backup_suffix);
 	if (do_rename(fname,fnamebak) != 0) {
-		if (errno != ENOENT) {
-			rprintf(FERROR,"rename %s %s : s\n",fname,fnamebak,strerror(errno));
+		/* cygwin (at least version b19) reports EINVAL */
+		if (errno != ENOENT && errno != EINVAL) {
+			rprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno));
 			return 0;
 		}
 	} else if (verbose > 1) {
@@ -220,22 +262,21 @@ void finish_transfer(char *fname, char *fnametmp, struct file_struct *file)
 		return;
 
 	/* move tmp file over real file */
-	if (do_rename(fnametmp,fname) != 0) {
+	if (robust_rename(fnametmp,fname) != 0) {
 		if (errno == EXDEV) {
 			/* rename failed on cross-filesystem link.  
 			   Copy the file instead. */
-			if (copy_file(fnametmp,fname, file->mode & ACCESSPERMS)) {
+			if (copy_file(fnametmp,fname, file->mode & INITACCESSPERMS)) {
 				rprintf(FERROR,"copy %s -> %s : %s\n",
 					fnametmp,fname,strerror(errno));
 			} else {
 				set_perms(fname,file,NULL,0);
 			}
-			do_unlink(fnametmp);
 		} else {
 			rprintf(FERROR,"rename %s -> %s : %s\n",
 				fnametmp,fname,strerror(errno));
-			do_unlink(fnametmp);
 		}
+		do_unlink(fnametmp);
 	} else {
 		set_perms(fname,file,NULL,0);
 	}

rsync.h

@@ -17,18 +17,22 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#define False 0
+#define True 1
+
 #define BLOCK_SIZE 700
 #define RSYNC_RSH_ENV "RSYNC_RSH"
 
 #define RSYNC_NAME "rsync"
 #define RSYNCD_CONF "/etc/rsyncd.conf"
 
+#define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
 #define URL_PREFIX "rsync://"
 
 #define BACKUP_SUFFIX "~"
 
 /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
-   imcompatible with older versions :-( */
+   incompatible with older versions :-( */
 #define CHAR_OFFSET 0
 
 
@@ -43,7 +47,7 @@
 #define SAME_TIME (1<<7)
 
 /* update this if you make incompatible changes */
-#define PROTOCOL_VERSION 19
+#define PROTOCOL_VERSION 20
 #define MIN_PROTOCOL_VERSION 11
 #define MAX_PROTOCOL_VERSION 30
 
@@ -52,7 +56,7 @@
 #define SPARSE_WRITE_SIZE (1024)
 #define WRITE_SIZE (32*1024)
 #define CHUNK_SIZE (32*1024)
-#define MAX_MAP_SIZE (1*1024*1024)
+#define MAX_MAP_SIZE (256*1024)
 #define IO_BUFFER_SIZE (4092)
 #define MAX_READ_BUFFER (1024*1024)
 
@@ -148,11 +152,6 @@
 #endif
 #include <errno.h>
 
-#if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
-#include <sys/mman.h>
-#define USE_MMAP 1
-#endif
-
 #ifdef HAVE_UTIME_H
 #include <utime.h>
 #endif
@@ -274,6 +273,10 @@
 #define MAX(a,b) ((a)>(b)?(a):(b))
 #endif
 
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 256
+#endif
+
 /* the length of the md4 checksum */
 #define MD4_SUM_LENGTH 16
 #define SUM_LENGTH 16
@@ -303,6 +306,7 @@ struct file_struct {
 	char *sum;
 };
 
+
 struct file_list {
 	int count;
 	int malloced;
@@ -326,15 +330,16 @@ struct sum_struct {
 };
 
 struct map_struct {
-	char *map,*p;
+	char *p;
 	int fd,p_size,p_len;
-	OFF_T size, p_offset;
+	OFF_T file_size, p_offset, p_fd_offset;
 };
 
 struct exclude_struct {
 	char *orig;
 	char *pattern;
 	int regular_exp;
+	int fnmatch_flags;
 	int include;
 	int directory;
 	int local;
@@ -460,6 +465,10 @@ extern int errno;
 #ifndef ACCESSPERMS
 #define ACCESSPERMS 0777
 #endif
+/* Initial mask on permissions given to temporary files.  Mask off setuid
+     bits and group access because of potential race-condition security
+     holes, and mask other access because mode 707 is bizarre */
+#define INITACCESSPERMS 0700
 
 /* handler for null strings in printf format */
 #define NS(s) ((s)?(s):"<NULL>")

rsync.yo

@@ -1,19 +1,19 @@
 mailto(rsync-bugs@samba.org)
-manpage(rsync)(1)(24 Nov 1998)()()
+manpage(rsync)(1)(1 Mar 1999)()()
 manpagename(rsync)(faster, flexible replacement for rcp)
 manpagesynopsis()
 
-rsync [options] [user@]host:path path
+rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST
 
-rsync [options] path [user@]host:path
+rsync [OPTION]... [USER@]HOST:SRC DEST
 
-rsync [options] path path
+rsync [OPTION]... SRC [SRC]... DEST
 
-rsync [options] [user@]host::module[/path] path
+rsync [OPTION]... [USER@]HOST::SRC [DEST]
 
-rsync [options] path [user@]host::module[/path]
+rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST
 
-rsync [options] rsync://[user@]host[:port]/module/path path
+rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]
 
 manpagedescription()
 
@@ -54,7 +54,7 @@ itemize(
 	single : separator.
 
 	it() for copying from a remote machine to the local machine
-	using a remote shell program. This is invoked when the local path
+	using a remote shell program. This is invoked when the source
 	contains a : separator.
 
 	it() for copying from a remote rsync server to the local
@@ -159,7 +159,11 @@ itemize(
 Some paths on the remote server may require authentication. If so then
 you will receive a password prompt when you connect. You can avoid the
 password prompt by setting the environment variable RSYNC_PASSWORD to
-the password you want to use. This may be useful when scripting rsync.
+the password you want to use or using the --password-file option. This
+may be useful when scripting rsync.
+
+WARNING: On some systems environment variables are visible to all
+users. On those systems using --password-file is recommended.
 
 manpagesection(RUNNING AN RSYNC SERVER)
 
@@ -207,23 +211,29 @@ Here is a short summary of the options available in rsync. Please refer
 to the detailed description below for a complete description.
 
 verb(
-Usage: rsync [OPTION]... SRC [USER@]HOST:DEST
+Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST
   or   rsync [OPTION]... [USER@]HOST:SRC DEST
-  or   rsync [OPTION]... SRC DEST
+  or   rsync [OPTION]... SRC [SRC]... DEST
   or   rsync [OPTION]... [USER@]HOST::SRC [DEST]
-  or   rsync [OPTION]... SRC [USER@]HOST::DEST
+  or   rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST
   or   rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]
+SRC on single-colon remote HOST will be expanded by remote shell
+SRC on server remote HOST may contain shell wildcards or multiple
+  sources separated by space as long as they have same top-level
 
 Options
  -v, --verbose               increase verbosity
+ -q, --quiet                 decrease verbosity
  -c, --checksum              always checksum
  -a, --archive               archive mode
  -r, --recursive             recurse into directories
  -R, --relative              use relative path names
- -b, --backup                make backups (default ~ extension)
+ -b, --backup                make backups (default ~ suffix)
+     --suffix=SUFFIX         override backup suffix
  -u, --update                update only (don't overwrite newer files)
  -l, --links                 preserve soft links
  -L, --copy-links            treat soft links like regular files
+     --copy-unsafe-links     copy links outside the source tree
      --safe-links            ignore links outside the destination tree
  -H, --hard-links            preserve hard links
  -p, --perms                 preserve permissions
@@ -235,24 +245,25 @@ Options
  -n, --dry-run               show what would have been transferred
  -W, --whole-file            copy whole files, no incremental checks
  -x, --one-file-system       don't cross filesystem boundaries
- -B, --block-size=SIZE       checksum blocking size
+ -B, --block-size=SIZE       checksum blocking size (default 700)
  -e, --rsh=COMMAND           specify rsh replacement
      --rsync-path=PATH       specify path to rsync on the remote machine
  -C, --cvs-exclude           auto ignore files in the same way CVS does
      --delete                delete files that don't exist on the sending side
+     --delete-excluded       also delete excluded files on the receiving side
      --partial               keep partially transferred files
      --force                 force deletion of directories even if not empty
      --numeric-ids           don't map uid/gid values by user/group name
      --timeout=TIME          set IO timeout in seconds
  -I, --ignore-times          don't exclude files that match length and time
+     --size-only             only use file size when determining if a file should be transferred
  -T  --temp-dir=DIR          create temporary files in directory DIR
      --compare-dest=DIR      also compare destination files relative to DIR
  -z, --compress              compress file data
      --exclude=PATTERN       exclude files matching PATTERN
-     --exclude-from=FILE     exclude files listed in FILE
+     --exclude-from=FILE     exclude patterns listed in FILE
      --include=PATTERN       don't exclude files matching PATTERN
-     --include-from=FILE     don't exclude files listed in FILE
-     --suffix=SUFFIX         override backup suffix
+     --include-from=FILE     don't exclude patterns listed in FILE
      --version               print version number
      --daemon                run as a rsync daemon
      --config=FILE           specify alternate rsyncd.conf file
@@ -260,6 +271,7 @@ Options
      --stats                 give some file transfer stats
      --progress              show progress during transfer
      --log-format=FORMAT     log file transfers using specified format
+     --password-file=FILE    get password from FILE
  -h, --help                  show this help screen
 )
 
@@ -268,6 +280,8 @@ manpageoptions()
 rsync uses the GNU long options package. Many of the command line
 options have two variants, one short and one long.  These are shown
 below, separated by commas. Some options only have a long variant.
+The '=' for options that take a parameter is optional; whitespace
+can be used instead.
 
 startdit()
 dit(bf(-h, --help)) Print a short help page describing the options
@@ -283,23 +297,37 @@ information on what files are being skipped and slightly more
 information at the end. More than two -v flags should only be used if
 you are debugging rsync.
 
+dit(bf(-q, --quiet)) This option decreases the amount of information you
+are given during the transfer, notably suppressing information messages
+from the remote server. This flag is useful when invoking rsync from
+cron.
+
 dit(bf(-I, --ignore-times)) Normally rsync will skip any files that are
 already the same length and have the same time-stamp. This option turns
 off this behavior.
 
+dit(bf(-I, --size-only)) Normally rsync will skip any files that are
+already the same length and have the same time-stamp. With the
+--size-only option files will be skipped if they have the same size,
+regardless of timestamp. This is useful when starting to use rsync
+after using another mirroring system which may not preserve timestamps
+exactly.
+
 dit(bf(-c, --checksum)) This forces the sender to checksum all files using
 a 128-bit MD4 checksum before transfer. The checksum is then
 explicitly checked on the receiver and any files of the same name
 which already exist and have the same checksum and size on the
 receiver are skipped.  This option can be quite slow.
 
-dit(bf(-a, --archive)) This is equivalent to -rlptDg. It is a quick way
+dit(bf(-a, --archive)) This is equivalent to -rlptg. It is a quick way
 of saying you want recursion and want to preserve everything.
 
-Note: if the user launching rsync is root then the -o option (preserve
-uid) is also implied.
+Note: if the user launching rsync is root then the -o (preserve
+uid) and -D (preserve devices) options are also implied.
 
-dit(bf(-r, --recursive)) This tells rsync to copy directories recursively.
+dit(bf(-r, --recursive)) This tells rsync to copy directories
+recursively. If you don't specify this then rsync won't copy
+directories at all.
 
 dit(bf(-R, --relative)) Use relative paths. This means that the full path
 names specified on the command line are sent to the server rather than
@@ -321,6 +349,9 @@ dit(bf(-b, --backup)) With this option preexisting destination files are
 renamed with a ~ extension as each file is transferred.  You can
 control the backup suffix using the --suffix option.
 
+dit(bf(--suffix=SUFFIX)) This option allows you to override the default
+backup suffix used with the -b option. The default is a ~.
+
 dit(bf(-u, --update)) This forces rsync to skip any files for which the
 destination file already exists and has a date later than the source
 file.
@@ -330,7 +361,12 @@ remote system  to  be the same as the local system. Without this
 option, all symbolic links are skipped.
 
 dit(bf(-L, --copy-links)) This tells rsync to treat symbolic links just
-like  ordinary files.
+like ordinary files.
+
+dit(bf(--copy-unsafe-links)) This tells rsync to treat symbolic links that
+point outside the source tree like ordinary files.  Absolute symlinks are
+also treated like ordinary files, and so are any symlinks in the source
+path itself when --relative is used.
 
 dit(bf(--safe-links)) This tells rsync to ignore any symbolic links
 which point outside the destination tree. All absolute symlinks are
@@ -366,9 +402,9 @@ the --numeric-ids option is implied because the source system cannot get
 access to the usernames.
 
 dit(bf(-g, --group)) This option causes rsync to update the  remote  group
-of the file to be the same as the local group.  Note that if the source
-system is a daemon using chroot, the --numeric-ids option is implied because
-the source system cannot get access to the group names.
+of the file to be the same as the local group.  If the receving system is
+not running as the super-user, only groups that the receiver is a member of
+will be preserved (by group name, not group id number).
 
 dit(bf(-D, --devices)) This option causes rsync to transfer character and
 block device information to the remote system to recreate these
@@ -397,12 +433,14 @@ boundaries  when recursing.  This  is useful for transferring the
 contents of only one filesystem.
 
 dit(bf(--delete)) This tells rsync to delete any files on the receiving
-side that aren't on the sending side. This option can be dangerous if
-used incorrectly!
+side that aren't on the sending side.   Files that are excluded from
+transfer are excluded from being deleted unless you use --delete-excluded.
 
-It is a very good idea to run first using the dry run option (-n) to
-see what files would be deleted to make sure important files aren't
-listed.
+This option has no effect if directory recursion is not selected.
+
+This option can be dangerous if used incorrectly!  It is a very good idea
+to run first using the dry run option (-n) to see what files would be
+deleted to make sure important files aren't listed.
 
 rsync 1.6.4 changed the behavior of --delete to make it less
 dangerous.  rsync now only scans directories on the receiving side
@@ -419,19 +457,22 @@ prevent temporary filesystem failures (such as NFS errors) on the
 sending side causing a massive deletion of files on the
 destination. 
 
+dit(bf(--delete-excluded)) In addition to deleting the files on the
+receiving side that are not on the sending side, this tells rsync to also
+delete any files on the receiving side that are excluded (see --exclude).
+
 dit(bf(--force)) This options tells rsync to delete directories even if
 they are not empty.  This applies to both the --delete option and to
 cases where rsync tries to copy a normal file but the destination
-contains a directory of the same name. Normally rsync will refuse to
-do a recursive directory deletion in such cases, by using --force
-the recursive deletion will be done.
+contains a directory of the same name. 
 
-Use this option with caution!
+Since this option was added, deletions were reordered to be done depth-first
+so it is hardly ever needed anymore except in very obscure cases.
 
-dit(bf(-B , --block_size BLOCKSIZE)) This controls the block size used in
+dit(bf(-B , --block_size=BLOCKSIZE)) This controls the block size used in
 the rsync algorithm. See the technical report for details.
 
-dit(bf(-e, --rsh COMMAND)) This option allows you to choose an alternative
+dit(bf(-e, --rsh=COMMAND)) This option allows you to choose an alternative
 remote shell program to use for communication between the local and
 remote copies of rsync. By default, rsync will use rsh, but you may
 like to instead use ssh because of its high security.
@@ -439,10 +480,10 @@ like to instead use ssh because of its high security.
 You can also choose the remote shell program using the RSYNC_RSH
 environment variable.
 
-dit(bf(--rsync-path PATH)) Use this to specify the path to the copy of
+dit(bf(--rsync-path=PATH)) Use this to specify the path to the copy of
 rsync on the remote machine. Useful when it's not in your path.
 
-dit(bf(--exclude pattern)) This option allows you to selectively exclude
+dit(bf(--exclude=PATTERN)) This option allows you to selectively exclude
 certain files from the list of files to be transferred. This is most
 useful in combination with a recursive transfer.
 
@@ -452,18 +493,19 @@ to build up the list of files to exclude.
 See the section on exclude patterns for information on the syntax of 
 this option.
 
-dit(bf(--exclude-from FILE)) This option is similar to the --exclude
+dit(bf(--exclude-from=FILE)) This option is similar to the --exclude
 option, but instead it adds all filenames listed in the file FILE to
-the exclude list.
+the exclude list.  Blank lines in FILE and lines starting with ';' or '#'
+are ignored.
 
-dit(bf(--include pattern)) This option tells rsync to not exclude the
+dit(bf(--include=PATTERN)) This option tells rsync to not exclude the
 specified pattern of filenames. This is useful as it allows you to
 build up quite complex exclude/include rules.
 
 See the section of exclude patterns for information on the syntax of 
 this option.
 
-dit(bf(--include-from FILE)) This specifies a list of include patterns
+dit(bf(--include-from=FILE)) This specifies a list of include patterns
 from a file.
 
 dit(bf(-C, --cvs-exclude)) This is a useful shorthand for excluding a
@@ -483,10 +525,7 @@ files listed in the CVSIGNORE environment variable (space delimited).
 Finally in each directory any files listed in the .cvsignore file in
 that directory are added to the list.
 
-dit(bf(--suffix SUFFIX)) This option allows you to override the default
-backup suffix used with the -b option. The default is a ~.
-
-dit(bf(--csum-length LENGTH)) By default the primary checksum used in
+dit(bf(--csum-length=LENGTH)) By default the primary checksum used in
 rsync is a very strong 16 byte MD4 checksum. In most cases you will
 find that a truncated version of this checksum is quite efficient, and
 this will decrease the size of the checksum data sent over the link,
@@ -505,12 +544,12 @@ checksum length by default, using a 16 byte file checksum to determine
 if a 2nd pass is required with a longer block checksum. Only use this
 option if you have read the source code and know what you are doing.
 
-dit(bf(-T, --temp-dir DIR)) This option instructs rsync to use DIR as a
+dit(bf(-T, --temp-dir=DIR)) This option instructs rsync to use DIR as a
 scratch directory when creating temporary copies of the files
 transferred on the receiving side.  The default behavior is to create
 the temporary files in the receiving directory.
 
-dit(bf(--compare-dest DIR)) This option instructs rsync to use DIR as an
+dit(bf(--compare-dest=DIR)) This option instructs rsync to use DIR as an
 additional directory to compare destination files against when doing
 transfers.  This is useful for doing transfers to a new destination while
 leaving existing files intact, and then doing a flash-cutover when all
@@ -557,11 +596,11 @@ config file (/etc/rsyncd.conf) on each connect made by a client and
 respond to requests accordingly. See the rsyncd.conf(5) man page for more
 details. 
 
-dit(bf(--config FILE)) This specifies an alternate config file than
+dit(bf(--config=FILE)) This specifies an alternate config file than
 the default /etc/rsyncd.conf. This is only relevant when --daemon is
 specified. 
 
-dit(bf(--port PORT)) This specifies an alternate TCP port number to use
+dit(bf(--port=PORT)) This specifies an alternate TCP port number to use
 rather than the default port 873.
 
 dit(bf(--log-format=FORMAT)) This allows you to specify exactly what the
@@ -571,13 +610,18 @@ rsyncd.conf.
 
 dit(bf(--stats)) This tells rsync to print a verbose set of statistics
 on the file transfer, allowing you to tell how effective the rsync
-algorithm is for your data. This option only works in conjunction with
-the -v (verbose) option.
+algorithm is for your data.
 
 dit(bf(--progress)) This option tells rsync to print information
 showing the progress of the transfer. This gives a bored user
 something to watch.
 
+dit(bf(--password-file)) This option allows you to provide a password
+in a file for accessing a remote rsync server. Note that this option
+is only useful when accessing a rsync server using the built in
+transport, not when using a remote shell as the transport. The file
+must not be world readable.
+
 enddit()
 
 manpagesection(EXCLUDE PATTERNS)
@@ -606,21 +650,22 @@ itemize(
   directory, not a file, link or device.
 
   it() if the pattern contains a wildcard character from the set
-  *?[ then regular expression matching is applied using the
-  normal shell filename matching rules. Otherwise a simple string
-  match is used.
+  *?[ then expression matching is applied using the shell filename
+  matching rules. Otherwise a simple string match is used.
 
   it() if the pattern contains a / (not counting a trailing /) then it
   is matched against the full filename, including any leading
   directory. If the pattern doesn't contain a / then it is matched
-  only against the final component of the filename.
+  only against the final component of the filename.  Furthermore, if
+  the pattern includes a double asterisk "**" then all wildcards in
+  the pattern will match slashes, otherwise they will stop at slashes.
 
   it() if the pattern starts with "+ " (a plus followed by a space)
-  then it is always considered a include pattern, even if specified as
+  then it is always considered an include pattern, even if specified as
   part of an exclude option. The "+ " part is discarded before matching.
 
   it() if the pattern starts with "- " (a minus followed by a space)
-  then it is always considered a exclude pattern, even if specified as
+  then it is always considered an exclude pattern, even if specified as
   part of an include option. The "- " part is discarded before matching.
 
   it() if the pattern is a single exclamation mark ! then the current
@@ -636,6 +681,10 @@ itemize(
   it() --exclude "*.o" would exclude all filenames matching *.o
   it() --exclude "/foo" would exclude a file in the base directory called foo
   it() --exclude "foo/" would exclude any directory called foo
+  it() --exclude "/foo/*/bar" would exclude any file called bar two
+  levels below a base directory called foo
+  it() --exclude "/foo/**/bar" would exclude any file called bar two
+  or more levels below a base directory called foo
   it() --include "*/" --include "*.c" --exclude "*" would include all 
   directories and C source files
   it() --include "foo/" --include "foo/bar.c" --exclude "*" would include
@@ -659,7 +708,7 @@ verb(
 )
        
 then look at out.dat. If everything is working correctly then out.dat
-should be a zero length file. You you are getting the above error from
+should be a zero length file. If you are getting the above error from
 rsync then you will probably find that out.dat contains some text or
 data. Look at the contents and try to work out what is producing
 it. The most common cause is incorrectly configured shell startup

rsyncd.conf.yo

@@ -1,5 +1,5 @@
 mailto(rsync-bugs@samba.org)
-manpage(rsyncd.conf)(5)(25 Nov 1998)()()
+manpage(rsyncd.conf)(5)(12 Feb 1999)()()
 manpagename(rsyncd.conf)(configuration file for rsync server)
 manpagesynopsis()
 
@@ -80,17 +80,6 @@ dit(bf(motd file)) The "motd file" option allows you to specify a
 usually contains site information and any legal notices. The default
 is no motd file.
 
-dit(bf(max connections)) The "max connections" option allows you to
-specify the maximum number of simultaneous connections you will allow
-to your rsync server. Any clients connecting when the maximum has
-been reached will receive a message telling them to try later. 
-The default is 0 which means no limit.
-
-dit(bf(lock file)) The "lock file" option specifies the file to use to
-support the "max connections" option. The rsync server uses record
-locking on this file to ensure that the max connections limit is not
-exceeded. The default is tt(/var/run/rsyncd.lock).
-
 dit(bf(log file)) The "log file" option tells the rsync daemon to log
 messages to that file rather than using syslog. This is particularly
 useful on systems (such as AIX) where syslog() doesn't work for
@@ -141,6 +130,17 @@ holes, but it has the disadvantages of requiring super-user privileges and
 of not being able to follow symbolic links outside of the new root path.
 The default is to use chroot.
 
+dit(bf(max connections)) The "max connections" option allows you to
+specify the maximum number of simultaneous connections you will allow
+to this module of your rsync server. Any clients connecting when the
+maximum has been reached will receive a message telling them to try
+later.  The default is 0 which means no limit.
+
+dit(bf(lock file)) The "lock file" option specifies the file to use to
+support the "max connections" option. The rsync server uses record
+locking on this file to ensure that the max connections limit is not
+exceeded. The default is tt(/var/run/rsyncd.lock).
+
 dit(bf(read only)) The "read only" option determines whether clients
 will be able to upload files or not. If "read only" is true then any
 attempted uploads will fail. If "read only" is false then uploads will
@@ -153,18 +153,24 @@ setting this to false you can create hidden modules. The default is
 for modules to be listable.
 
 dit(bf(uid)) The "uid" option specifies the user name or user id that
-file transfers to and from that module should take place as. In
-combination with the "gid" option this determines what file
-permissions are available. The default is the user "nobody".
+file transfers to and from that module should take place as when the daemon
+was run as root. In combination with the "gid" option this determines what
+file permissions are available. The default is the user "nobody".
 
 dit(bf(gid)) The "gid" option specifies the group name or group id that
-file transfers to and from that module should take place as. This
-complements the "uid" option. The default is the group "nobody".
+file transfers to and from that module should take place as when the daemon
+was run as root. This complements the "uid" option. The default is the
+group "nobody".
 
 dit(bf(exclude)) The "exclude" option allows you to specify a space
 separated list of patterns to add to the exclude list. This is
 equivalent to the client specifying these patterns with the --exclude
-option. Note that this option is not designed with strong security in
+option except that the exclude list is not passed to the client and
+thus only apply on the server.  Only one "exclude" option may be
+specified, but you can use "-" and "+" before patterns to specify
+exclude/include.
+
+Note that this option is not designed with strong security in
 mind, it is quite possible that a client may find a way to bypass this
 exclude list. If you want to absolutely ensure that certain files
 cannot be accessed then use the uid/gid options in combination with
@@ -173,17 +179,19 @@ file permissions.
 dit(bf(exclude from)) The "exclude from" option specifies a filename
 on the server that contains exclude patterns, one per line. This is
 equivalent to the client specifying the --exclude-from option with a
-equivalent file. See also the note about security for the exclude
-option above.
+equivalent file except that the resulting exclude patterns are not
+passed to the client and thus only apply on the server. See also the
+note about security for the exclude option above.
 
 dit(bf(include)) The "include" option allows you to specify a space
 separated list of patterns which rsync should not exclude. This is
 equivalent to the client specifying these patterns with the --include
-option. This is useful as it allows you to build up quite complex
-exclude/include rules.
+option.  This is useful as it allows you to build up quite complex
+exclude/include rules.  Only one "include" option may be specified, but you
+can use "+" and "-" before patterns to switch include/exclude.
 
-See the section of exclude patterns for information  on the syntax of
-this option.
+See the section of exclude patterns in the rsync man page for information
+on the syntax of this option.
 
 dit(bf(include from)) The "include from" option specifies a filename
 on the server that contains include patterns, one per line. This is
@@ -210,10 +218,15 @@ can contain any characters but be warned that many operating systems
 limit the length of passwords that can be typed at the client end, so
 you may find that passwords longer than 8 characters don't work. 
 
-bf(You should make sure that the secrets file is not readable by anyone
-other than the system administrator.) There is no default for the
-"secrets file" option, you must choose a name (such as
-tt(/etc/rsyncd.secrets)).
+There is no default for the "secrets file" option, you must choose a name
+(such as tt(/etc/rsyncd.secrets)).
+
+dit(bf(strict modes)) The "strict modes" option determines whether or not 
+the permissions on the secrets file will be checked.  If "strict modes" is
+true, then the secrets file must not be readable by any user id other
+than the one that the rsync daemon is running under.  If "strict modes" is
+false, the check is not performed.  The default is true.  This option
+was added to accommodate rsync running on the Windows operating system.
 
 dit(bf(hosts allow)) The "hosts allow" option allows you to specify a
 list of patterns that are matched against a connecting clients
@@ -281,14 +294,15 @@ itemize(
   it() %f for the filename
   it() %P for the module path
   it() %m for the module name
-  it() %t for the current time
+  it() %t for the current date time
   it() %u for the authenticated username (or the null string)
   it() %b for the number of bytes actually transferred 
   it() %c when sending files this gives the number of checksum bytes
     received for this file
 )
 
-The default log format is "%o %h [%a] %m (%u) %f %l"
+The default log format is "%o %h [%a] %m (%u) %f %l", and a "%t [%p] "
+is always added to the beginning when using the "log file" option.
 
 A perl script called rsyncstats to summarize this format is included
 in the rsync source code distribution.

socket.c

@@ -67,7 +67,7 @@ static int open_socket_in(int type, int port)
 {
 	struct hostent *hp;
 	struct sockaddr_in sock;
-	char host_name[200];
+	char host_name[MAXHOSTNAMELEN];
 	int res;
 	int one=1;
 

syscall.c

@@ -24,8 +24,9 @@
 
 extern int dry_run;
 extern int read_only;
+extern int list_only;
 
-#define CHECK_RO if (read_only) {errno = EROFS; return -1;}
+#define CHECK_RO if (read_only || list_only) {errno = EROFS; return -1;}
 
 int do_unlink(char *fname)
 {

uidlist.c

@@ -28,6 +28,7 @@
 extern int preserve_uid;
 extern int preserve_gid;
 extern int numeric_ids;
+extern int am_root;
 
 struct idlist {
 	struct idlist *next;
@@ -122,7 +123,10 @@ static gid_t match_gid(gid_t gid)
 		list = list->next;
 	}
 	
-	last_out = gid;
+	if (am_root)
+		last_out = gid;
+	else
+		last_out = (gid_t) -1;
 	return last_out;
 }
 
@@ -276,12 +280,12 @@ void recv_uid_list(int f, struct file_list *flist)
 		}
 	}
 
-	if (!uidlist && !gidlist) return;
+	if (!(am_root && preserve_uid) && !preserve_gid) return;
 
 	/* now convert the uid/gid of all files in the list to the mapped
 	   uid/gid */
 	for (i=0;i<flist->count;i++) {
-		if (preserve_uid && flist->files[i]->uid != 0) {
+		if (am_root && preserve_uid && flist->files[i]->uid != 0) {
 			flist->files[i]->uid = match_uid(flist->files[i]->uid);
 		}
 		if (preserve_gid && flist->files[i]->gid != 0) {

util.c

@@ -24,6 +24,8 @@
   */
 #include "rsync.h"
 
+extern int verbose;
+
 /****************************************************************************
 Set a fd into nonblocking mode. Uses POSIX O_NONBLOCK if available,
 else
@@ -287,7 +289,7 @@ int copy_file(char *source, char *dest, mode_t mode)
 		return -1;
 	}
 
-	if (do_unlink(dest) && errno != ENOENT) {
+	if (robust_unlink(dest) && errno != ENOENT) {
 		rprintf(FERROR,"unlink %s: %s\n",
 			dest,strerror(errno));
 		return -1;
@@ -323,6 +325,81 @@ int copy_file(char *source, char *dest, mode_t mode)
 	return 0;
 }
 
+/*
+  Robust unlink: some OS'es (HPUX) refuse to unlink busy files, so
+  rename to <path>/.rsyncNNN instead. Note that successive rsync runs
+  will shuffle the filenames around a bit as long as the file is still
+  busy; this is because this function does not know if the unlink call
+  is due to a new file coming in, or --delete trying to remove old
+  .rsyncNNN files, hence it renames it each time.
+*/
+/* MAX_RENAMES should be 10**MAX_RENAMES_DIGITS */
+#define MAX_RENAMES_DIGITS 3
+#define MAX_RENAMES 1000
+
+int robust_unlink(char *fname)
+{
+#ifndef ETXTBSY
+	return do_unlink(fname);
+#else
+	static int counter = 1;
+	int rc, pos, start;
+	char path[MAXPATHLEN];
+
+	rc = do_unlink(fname);
+	if ((rc == 0) || (errno != ETXTBSY))
+		return rc;
+
+	strlcpy(path, fname, MAXPATHLEN);
+
+	pos = strlen(path);
+	while((path[--pos] != '/') && (pos >= 0))
+		;
+	++pos;
+	strlcpy(&path[pos], ".rsync", MAXPATHLEN-pos);
+	pos += sizeof(".rsync")-1;
+
+	if (pos > (MAXPATHLEN-MAX_RENAMES_DIGITS-1)) {
+		errno = ETXTBSY;
+		return -1;
+	}
+
+	/* start where the last one left off to reduce chance of clashes */
+	start = counter;
+	do {
+		sprintf(&path[pos], "%03d", counter);
+		if (++counter >= MAX_RENAMES)
+			counter = 1;
+	} while (((rc = access(path, 0)) == 0) && (counter != start));
+
+	if (verbose > 0)
+		rprintf(FINFO,"renaming %s to %s because of text busy\n",
+					    fname, path);
+
+	/* maybe we should return rename()'s exit status? Nah. */
+	if (do_rename(fname, path) != 0) {
+		errno = ETXTBSY;
+		return -1;
+	}
+	return 0;
+#endif
+}
+
+int robust_rename(char *from, char *to)
+{
+#ifndef ETXTBSY
+	return do_rename(from, to);
+#else
+	int rc = do_rename(from, to);
+	if ((rc == 0) || (errno != ETXTBSY))
+		return rc;
+	if (robust_unlink(to) != 0)
+		return -1;
+	return do_rename(from, to);
+#endif
+    }
+
+
 /* sleep for a while via select */
 void u_sleep(int usec)
 {
@@ -638,6 +715,8 @@ char *push_dir(char *dir, int save)
 		getcwd(curr_dir, sizeof(curr_dir)-1);
 	}
 
+	if (!dir) return NULL; /* this call was probably just to initialize */
+
 	if (chdir(dir)) return NULL;
 
 	if (save) {

version.h

@@ -1 +1 @@
-#define VERSION "2.2.1"
+#define VERSION "2.3.1"