X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/57469f6c31cec390c014cde5851ec8b279d2c287..13c5b463610baf30f9af52d32a7da6de1bdbaa53:/flist.c

diff --git a/flist.c b/flist.c
index d8115b66..58e3da00 100644
--- a/flist.c
+++ b/flist.c
@@ -43,6 +43,7 @@ extern int ignore_errors;
 extern int cvs_exclude;
 
 extern int recurse;
+extern char curr_dir[MAXPATHLEN];
 extern char *files_from;
 extern int filesfrom_fd;
 
@@ -184,17 +185,18 @@ static void list_file_entry(struct file_struct *f)
 
 	permstring(perms, f->mode);
 
+#if SUPPORT_LINKS
 	if (preserve_links && S_ISLNK(f->mode)) {
 		rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
 			perms,
 			(double) f->length, timestring(f->modtime),
 			f_name(f), f->u.link);
-	} else {
+	} else
+#endif
 		rprintf(FINFO, "%s %11.0f %s %s\n",
 			perms,
 			(double) f->length, timestring(f->modtime),
 			f_name(f));
-	}
 }
 
 
@@ -298,8 +300,10 @@ static void set_filesystem(char *fname)
 
 static int to_wire_mode(mode_t mode)
 {
+#if SUPPORT_LINKS
 	if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
 		return (mode & ~(_S_IFMT)) | 0120000;
+#endif
 	return (int) mode;
 }
 
@@ -314,6 +318,7 @@ static mode_t from_wire_mode(int mode)
 static void send_directory(int f, struct file_list *flist, char *dir);
 
 static char *flist_dir;
+static int flist_dir_len;
 
 
 /**
@@ -340,7 +345,8 @@ static void flist_expand(struct file_list *flist)
 		}
 
 		if (verbose >= 2) {
-			rprintf(FINFO, "expand file_list to %.0f bytes, did%s move\n",
+			rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n",
+				who_am_i(),
 				(double)sizeof(flist->files[0])
 				* flist->malloced,
 				(new_ptr == flist->files) ? " not" : "");
@@ -358,7 +364,7 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
 	unsigned short flags;
 	static time_t modtime;
 	static mode_t mode;
-	static DEV64_T rdev;	/* just high bytes in p28 onward */
+	static DEV64_T rdev, rdev_high;
 	static DEV64_T dev;
 	static uid_t uid;
 	static gid_t gid;
@@ -372,7 +378,7 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
 	if (!file) {
 		write_byte(f, 0);
 		modtime = 0, mode = 0;
-		rdev = 0, dev = 0;
+		rdev = 0, rdev_high = 0, dev = 0;
 		uid = 0, gid = 0;
 		*lastname = '\0';
 		return;
@@ -380,125 +386,135 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
 
 	io_write_phase = "send_file_entry";
 
-	fname = f_name_to(file, fbuf, sizeof fbuf);
+	fname = f_name_to(file, fbuf);
 
 	flags = base_flags;
 
 	if (file->mode == mode)
-		flags |= SAME_MODE;
+		flags |= XMIT_SAME_MODE;
 	else
 		mode = file->mode;
 	if (preserve_devices) {
 		if (protocol_version < 28) {
 			if (IS_DEVICE(mode)) {
 				if (file->u.rdev == rdev) {
-					/* Set both flags so that the test when
-					 * writing the data is simpler. */
-					flags |= SAME_RDEV_pre28|SAME_HIGH_RDEV;
+					/* Set both flags to simplify the test
+					 * when writing the data. */
+					flags |= XMIT_SAME_RDEV_pre28
+					       | XMIT_SAME_HIGH_RDEV;
 				} else
 					rdev = file->u.rdev;
 			} else
 				rdev = 0;
 		} else if (IS_DEVICE(mode)) {
-			if ((file->u.rdev & ~0xFF) == rdev)
-				flags |= SAME_HIGH_RDEV;
-			else
-				rdev = file->u.rdev & ~0xFF;
+			if ((file->u.rdev & ~0xFF) == rdev_high)
+				flags |= XMIT_SAME_HIGH_RDEV;
+			else {
+				rdev = file->u.rdev;
+				rdev_high = rdev & ~0xFF;
+			}
 		}
 	}
 	if (file->uid == uid)
-		flags |= SAME_UID;
+		flags |= XMIT_SAME_UID;
 	else
 		uid = file->uid;
 	if (file->gid == gid)
-		flags |= SAME_GID;
+		flags |= XMIT_SAME_GID;
 	else
 		gid = file->gid;
 	if (file->modtime == modtime)
-		flags |= SAME_TIME;
+		flags |= XMIT_SAME_TIME;
 	else
 		modtime = file->modtime;
+#if SUPPORT_HARD_LINKS
 	if (file->link_u.idev) {
 		if (file->F_DEV == dev) {
 			if (protocol_version >= 28)
-				flags |= SAME_DEV;
+				flags |= XMIT_SAME_DEV;
 		} else
 			dev = file->F_DEV;
-		flags |= HAS_INODE_DATA;
+		flags |= XMIT_HAS_IDEV_DATA;
 	}
+#endif
 
 	for (l1 = 0;
 	     lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
 	     l1++) {}
-	l2 = strlen(fname) - l1;
+	l2 = strlen(fname+l1);
 
 	if (l1 > 0)
-		flags |= SAME_NAME;
+		flags |= XMIT_SAME_NAME;
 	if (l2 > 255)
-		flags |= LONG_NAME;
+		flags |= XMIT_LONG_NAME;
 
-	/* We must make sure we don't send a zero flags byte or
-	 * the other end will terminate the flist transfer. */
-	if (flags == 0 && !S_ISDIR(mode))
-		flags |= FLAG_DELETE; /* NOTE: no meaning for non-dir */
+	/* We must make sure we don't send a zero flag byte or the
+	 * other end will terminate the flist transfer.  Note that
+	 * the use of XMIT_TOP_DIR on a non-dir has no meaning, so
+	 * it's harmless way to add a bit to the first flag byte. */
 	if (protocol_version >= 28) {
-		if ((flags & 0xFF00) || flags == 0) {
-			flags |= EXTENDED_FLAGS;
+		if (!flags && !S_ISDIR(mode))
+			flags |= XMIT_TOP_DIR;
+		if ((flags & 0xFF00) || !flags) {
+			flags |= XMIT_EXTENDED_FLAGS;
 			write_byte(f, flags);
 			write_byte(f, flags >> 8);
 		} else
 			write_byte(f, flags);
 	} else {
-		if (flags == 0)
-			flags |= LONG_NAME;
+		if (!(flags & 0xFF) && !S_ISDIR(mode))
+			flags |= XMIT_TOP_DIR;
+		if (!(flags & 0xFF))
+			flags |= XMIT_LONG_NAME;
 		write_byte(f, flags);
 	}
-	if (flags & SAME_NAME)
+	if (flags & XMIT_SAME_NAME)
 		write_byte(f, l1);
-	if (flags & LONG_NAME)
+	if (flags & XMIT_LONG_NAME)
 		write_int(f, l2);
 	else
 		write_byte(f, l2);
 	write_buf(f, fname + l1, l2);
 
 	write_longint(f, file->length);
-	if (!(flags & SAME_TIME))
+	if (!(flags & XMIT_SAME_TIME))
 		write_int(f, modtime);
-	if (!(flags & SAME_MODE))
+	if (!(flags & XMIT_SAME_MODE))
 		write_int(f, to_wire_mode(mode));
-	if (preserve_uid && !(flags & SAME_UID)) {
+	if (preserve_uid && !(flags & XMIT_SAME_UID)) {
 		add_uid(uid);
 		write_int(f, uid);
 	}
-	if (preserve_gid && !(flags & SAME_GID)) {
+	if (preserve_gid && !(flags & XMIT_SAME_GID)) {
 		add_gid(gid);
 		write_int(f, gid);
 	}
 	if (preserve_devices && IS_DEVICE(mode)) {
-		/* If SAME_HIGH_RDEV is off, SAME_RDEV_pre28 is also off.
-		 * Also, avoid using "rdev" because it may be incomplete. */
-		if (!(flags & SAME_HIGH_RDEV))
-			write_int(f, file->u.rdev);
+		/* If XMIT_SAME_HIGH_RDEV is off, XMIT_SAME_RDEV_pre28 is
+		 * also off. */
+		if (!(flags & XMIT_SAME_HIGH_RDEV))
+			write_int(f, rdev);
 		else if (protocol_version >= 28)
-			write_byte(f, file->u.rdev);
+			write_byte(f, rdev);
 	}
 
 #if SUPPORT_LINKS
 	if (preserve_links && S_ISLNK(mode)) {
-		write_int(f, strlen(file->u.link));
-		write_buf(f, file->u.link, strlen(file->u.link));
+		int len = strlen(file->u.link);
+		write_int(f, len);
+		write_buf(f, file->u.link, len);
 	}
 #endif
 
 #if SUPPORT_HARD_LINKS
-	if (flags & HAS_INODE_DATA) {
+	if (flags & XMIT_HAS_IDEV_DATA) {
 		if (protocol_version < 26) {
 			/* 32-bit dev_t and ino_t */
 			write_int(f, dev);
 			write_int(f, file->F_INODE);
 		} else {
 			/* 64-bit dev_t and ino_t */
-			if (!(flags & SAME_DEV))
+			if (!(flags & XMIT_SAME_DEV))
 				write_longint(f, dev);
 			write_longint(f, file->F_INODE);
 		}
@@ -521,7 +537,6 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
 	}
 
 	strlcpy(lastname, fname, MAXPATHLEN);
-	lastname[MAXPATHLEN - 1] = 0;
 
 	io_write_phase = "unknown";
 }
@@ -532,7 +547,7 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
 {
 	static time_t modtime;
 	static mode_t mode;
-	static DEV64_T rdev;	/* just high bytes in p28 onward */
+	static DEV64_T rdev, rdev_high;
 	static DEV64_T dev;
 	static uid_t uid;
 	static gid_t gid;
@@ -544,16 +559,16 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
 
 	if (!fptr) {
 		modtime = 0, mode = 0;
-		rdev = 0, dev = 0;
+		rdev = 0, rdev_high = 0, dev = 0;
 		uid = 0, gid = 0;
 		*lastname = '\0';
 		return;
 	}
 
-	if (flags & SAME_NAME)
+	if (flags & XMIT_SAME_NAME)
 		l1 = read_byte(f);
 
-	if (flags & LONG_NAME)
+	if (flags & XMIT_LONG_NAME)
 		l2 = read_int(f);
 	else
 		l2 = read_byte(f);
@@ -576,13 +591,11 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
 	thisname[l1 + l2] = 0;
 
 	strlcpy(lastname, thisname, MAXPATHLEN);
-	lastname[MAXPATHLEN - 1] = 0;
 
 	clean_fname(thisname);
 
-	if (sanitize_paths) {
+	if (sanitize_paths)
 		sanitize_path(thisname, NULL);
-	}
 
 	if ((p = strrchr(thisname, '/'))) {
 		static char *lastdir;
@@ -602,65 +615,69 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
 	if (!file->basename)
 		out_of_memory("receive_file_entry 1");
 
-	file->flags = flags;
+	file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0;
 	file->length = read_longint(f);
-	if (!(flags & SAME_TIME))
+	if (!(flags & XMIT_SAME_TIME))
 		modtime = (time_t)read_int(f);
 	file->modtime = modtime;
-	if (!(flags & SAME_MODE))
+	if (!(flags & XMIT_SAME_MODE))
 		mode = from_wire_mode(read_int(f));
 	file->mode = mode;
 
 	if (preserve_uid) {
-		if (!(flags & SAME_UID))
+		if (!(flags & XMIT_SAME_UID))
 			uid = (uid_t)read_int(f);
 		file->uid = uid;
 	}
 	if (preserve_gid) {
-		if (!(flags & SAME_GID))
+		if (!(flags & XMIT_SAME_GID))
 			gid = (gid_t)read_int(f);
 		file->gid = gid;
 	}
 	if (preserve_devices) {
 		if (protocol_version < 28) {
 			if (IS_DEVICE(mode)) {
-				if (!(flags & SAME_RDEV_pre28))
+				if (!(flags & XMIT_SAME_RDEV_pre28))
 					rdev = (DEV64_T)read_int(f);
 				file->u.rdev = rdev;
 			} else
 				rdev = 0;
 		} else if (IS_DEVICE(mode)) {
-			if (!(flags & SAME_HIGH_RDEV)) {
-				file->u.rdev = (DEV64_T)read_int(f);
-				rdev = file->u.rdev & ~0xFF;
+			if (!(flags & XMIT_SAME_HIGH_RDEV)) {
+				rdev = (DEV64_T)read_int(f);
+				rdev_high = rdev & ~0xFF;
 			} else
-				file->u.rdev = rdev | (DEV64_T)read_byte(f);
+				rdev = rdev_high | (DEV64_T)read_byte(f);
+			file->u.rdev = rdev;
 		}
 	}
 
+#if SUPPORT_LINKS
 	if (preserve_links && S_ISLNK(mode)) {
-		int l = read_int(f);
-		if (l < 0) {
-			rprintf(FERROR, "overflow: l=%d\n", l);
+		int len = read_int(f);
+		if (len < 0 || len >= MAXPATHLEN) {
+			rprintf(FERROR, "overflow: len=%d\n", len);
 			overflow("receive_file_entry");
 		}
-		if (!(file->u.link = new_array(char, l + 1)))
+		if (!(file->u.link = new_array(char, len + 1)))
 			out_of_memory("receive_file_entry 2");
-		read_sbuf(f, file->u.link, l);
+		read_sbuf(f, file->u.link, len);
 		if (sanitize_paths)
 			sanitize_path(file->u.link, file->dirname);
 	}
+#endif
+
 #if SUPPORT_HARD_LINKS
 	if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
-		flags |= HAS_INODE_DATA;
-	if (flags & HAS_INODE_DATA) {
+		flags |= XMIT_HAS_IDEV_DATA;
+	if (flags & XMIT_HAS_IDEV_DATA) {
 		if (!(file->link_u.idev = new(struct idev)))
 			out_of_memory("file inode data");
 		if (protocol_version < 26) {
 			dev = read_int(f);
 			file->F_INODE = read_int(f);
 		} else {
-			if (!(flags & SAME_DEV))
+			if (!(flags & XMIT_SAME_DEV))
 				dev = read_longint(f);
 			file->F_INODE = read_longint(f);
 		}
@@ -694,32 +711,6 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
 }
 
 
-/* determine if a file in a different filesstem should be skipped
-   when one_file_system is set. We bascally only want to include
-   the mount points - but they can be hard to find! */
-static int skip_filesystem(char *fname, STRUCT_STAT * st)
-{
-	STRUCT_STAT st2;
-	char *p = strrchr(fname, '/');
-
-	/* skip all but directories */
-	if (!S_ISDIR(st->st_mode))
-		return 1;
-
-	/* if its not a subdirectory then allow */
-	if (!p)
-		return 0;
-
-	*p = 0;
-	if (link_stat(fname, &st2)) {
-		*p = '/';
-		return 0;
-	}
-	*p = '/';
-
-	return (st2.st_dev != filesystem_dev);
-}
-
 #define STRDUP(ap, p)	(ap ? string_area_strdup(ap, p) : strdup(p))
 /* IRIX cc cares that the operands to the ternary have the same type. */
 #define MALLOC(ap, i)	(ap ? (void*) string_area_malloc(ap, i) : malloc(i))
@@ -746,32 +737,35 @@ struct file_struct *make_file(char *fname, struct string_area **ap,
 	STRUCT_STAT st;
 	char sum[SUM_LENGTH];
 	char *p;
-	char cleaned_name[MAXPATHLEN];
-	char linkbuf[MAXPATHLEN];
+	char thisname[MAXPATHLEN];
+	char linkname[MAXPATHLEN];
+	unsigned short flags = 0;
 
-	strlcpy(cleaned_name, fname, MAXPATHLEN);
-	cleaned_name[MAXPATHLEN - 1] = 0;
-	clean_fname(cleaned_name);
+	if (strlcpy(thisname, fname, sizeof thisname)
+	    >= sizeof thisname - flist_dir_len) {
+		rprintf(FINFO, "skipping overly long name: %s\n", fname);
+		return NULL;
+	}
+	clean_fname(thisname);
 	if (sanitize_paths)
-		sanitize_path(cleaned_name, NULL);
-	fname = cleaned_name;
+		sanitize_path(thisname, NULL);
 
 	memset(sum, 0, SUM_LENGTH);
 
-	if (readlink_stat(fname, &st, linkbuf) != 0) {
+	if (readlink_stat(thisname, &st, linkname) != 0) {
 		int save_errno = errno;
 		if (errno == ENOENT && exclude_level != NO_EXCLUDES) {
 			/* either symlink pointing nowhere or file that
 			 * was removed during rsync run; see if excluded
 			 * before reporting an error */
-			if (check_exclude_file(fname, 0, exclude_level)) {
+			if (check_exclude_file(thisname, 0, exclude_level)) {
 				/* file is excluded anyway, ignore silently */
 				return NULL;
 			}
 		}
 		io_error |= IOERR_GENERAL;
 		rprintf(FERROR, "readlink %s failed: %s\n",
-			full_fname(fname), strerror(save_errno));
+			full_fname(thisname), strerror(save_errno));
 		return NULL;
 	}
 
@@ -780,45 +774,51 @@ struct file_struct *make_file(char *fname, struct string_area **ap,
 		goto skip_excludes;
 
 	if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
-		rprintf(FINFO, "skipping directory %s\n", fname);
+		rprintf(FINFO, "skipping directory %s\n", thisname);
 		return NULL;
 	}
 
 	if (one_file_system && st.st_dev != filesystem_dev) {
-		if (skip_filesystem(fname, &st))
+		/* We allow a directory though to preserve the mount point.
+		 * However, flag it so that we don't recurse. */
+		if (!S_ISDIR(st.st_mode))
 			return NULL;
+		flags |= FLAG_MOUNT_POINT;
 	}
 
-	if (check_exclude_file(fname, S_ISDIR(st.st_mode) != 0, exclude_level))
+	if (check_exclude_file(thisname, S_ISDIR(st.st_mode) != 0, exclude_level))
 		return NULL;
 
-	if (lp_ignore_nonreadable(module_id) && access(fname, R_OK) != 0)
+	if (lp_ignore_nonreadable(module_id) && access(thisname, R_OK) != 0)
 		return NULL;
 
       skip_excludes:
 
-	if (verbose > 2)
-		rprintf(FINFO, "make_file(%s,*,%d)\n", fname, exclude_level);
+	if (verbose > 2) {
+		rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
+			who_am_i(), thisname, exclude_level);
+	}
 
 	file = new(struct file_struct);
 	if (!file)
 		out_of_memory("make_file");
 	memset((char *) file, 0, sizeof(*file));
+	file->flags = flags;
 
-	if ((p = strrchr(fname, '/'))) {
+	if ((p = strrchr(thisname, '/'))) {
 		static char *lastdir;
 		*p = 0;
-		if (lastdir && strcmp(fname, lastdir) == 0)
+		if (lastdir && strcmp(thisname, lastdir) == 0)
 			file->dirname = lastdir;
 		else {
-			file->dirname = strdup(fname);
+			file->dirname = strdup(thisname);
 			lastdir = file->dirname;
 		}
 		file->basename = STRDUP(ap, p + 1);
 		*p = '/';
 	} else {
 		file->dirname = NULL;
-		file->basename = STRDUP(ap, fname);
+		file->basename = STRDUP(ap, thisname);
 	}
 
 	file->modtime = st.st_mtime;
@@ -826,6 +826,18 @@ struct file_struct *make_file(char *fname, struct string_area **ap,
 	file->mode = st.st_mode;
 	file->uid = st.st_uid;
 	file->gid = st.st_gid;
+
+#ifdef HAVE_STRUCT_STAT_ST_RDEV
+	if (preserve_devices && IS_DEVICE(st.st_mode))
+		file->u.rdev = st.st_rdev;
+#endif
+
+#if SUPPORT_LINKS
+	if (S_ISLNK(st.st_mode))
+		file->u.link = STRDUP(ap, linkname);
+#endif
+
+#if SUPPORT_HARD_LINKS
 	if (preserve_hard_links) {
 		if (protocol_version < 28 ? S_ISREG(st.st_mode)
 		    : !S_ISDIR(st.st_mode) && st.st_nlink > 1) {
@@ -835,32 +847,15 @@ struct file_struct *make_file(char *fname, struct string_area **ap,
 			file->F_INODE = st.st_ino;
 		}
 	}
-#ifdef HAVE_STRUCT_STAT_ST_RDEV
-	if (IS_DEVICE(st.st_mode))
-		file->u.rdev = st.st_rdev;
-#endif
-
-#if SUPPORT_LINKS
-	if (S_ISLNK(st.st_mode))
-		file->u.link = STRDUP(ap, linkbuf);
 #endif
 
 	if (always_checksum && S_ISREG(st.st_mode)) {
 		if (!(file->u.sum = (char*)MALLOC(ap, MD4_SUM_LENGTH)))
 			out_of_memory("md4 sum");
-		file_checksum(fname, file->u.sum, st.st_size);
+		file_checksum(thisname, file->u.sum, st.st_size);
 	}
 
-	if (flist_dir) {
-		static char *lastdir;
-		if (lastdir && strcmp(lastdir, flist_dir) == 0)
-			file->basedir = lastdir;
-		else {
-			file->basedir = strdup(flist_dir);
-			lastdir = file->basedir;
-		}
-	} else
-		file->basedir = NULL;
+	file->basedir = flist_dir;
 
 	if (!S_ISDIR(st.st_mode))
 		stats.total_size += st.st_size;
@@ -889,17 +884,17 @@ void send_file_name(int f, struct file_list *flist, char *fname,
 	flist_expand(flist);
 
 	if (write_batch)
-		file->flags |= FLAG_DELETE;
+		file->flags |= FLAG_TOP_DIR;
 
 	if (file->basename[0]) {
 		flist->files[flist->count++] = file;
 		send_file_entry(file, f, base_flags);
 	}
 
-	if (S_ISDIR(file->mode) && recursive) {
-		struct exclude_struct **last_exclude_list =
-		    local_exclude_list;
-		send_directory(f, flist, f_name_to(file, fbuf, sizeof fbuf));
+	if (recursive && S_ISDIR(file->mode)
+	    && !(file->flags & FLAG_MOUNT_POINT)) {
+		struct exclude_struct **last_exclude_list = local_exclude_list;
+		send_directory(f, flist, f_name_to(file, fbuf));
 		local_exclude_list = last_exclude_list;
 		return;
 	}
@@ -911,7 +906,7 @@ static void send_directory(int f, struct file_list *flist, char *dir)
 	DIR *d;
 	struct dirent *di;
 	char fname[MAXPATHLEN];
-	int l;
+	unsigned int offset;
 	char *p;
 
 	d = opendir(dir);
@@ -922,28 +917,27 @@ static void send_directory(int f, struct file_list *flist, char *dir)
 		return;
 	}
 
-	strlcpy(fname, dir, MAXPATHLEN);
-	l = strlen(fname);
-	if (fname[l - 1] != '/') {
-		if (l == MAXPATHLEN - 1) {
+	offset = strlcpy(fname, dir, MAXPATHLEN);
+	p = fname + offset;
+	if (offset >= MAXPATHLEN || p[-1] != '/') {
+		if (offset >= MAXPATHLEN - 1) {
 			io_error |= IOERR_GENERAL;
 			rprintf(FERROR, "skipping long-named directory: %s\n",
 				full_fname(fname));
 			closedir(d);
 			return;
 		}
-		strlcat(fname, "/", MAXPATHLEN);
-		l++;
+		*p++ = '/';
+		offset++;
 	}
-	p = fname + strlen(fname);
 
 	local_exclude_list = NULL;
 
 	if (cvs_exclude) {
-		if (strlen(fname) + strlen(".cvsignore") <= MAXPATHLEN - 1) {
-			strcpy(p, ".cvsignore");
+		if (strlcpy(p, ".cvsignore", MAXPATHLEN - offset)
+		    < MAXPATHLEN - offset)
 			add_exclude_file(&local_exclude_list,fname,MISSING_OK,ADD_EXCLUDE);
-		} else {
+		else {
 			io_error |= IOERR_GENERAL;
 			rprintf(FINFO,
 				"cannot cvs-exclude in long-named directory %s\n",
@@ -956,13 +950,19 @@ static void send_directory(int f, struct file_list *flist, char *dir)
 		if (dname[0] == '.' && (dname[1] == '\0'
 		    || (dname[1] == '.' && dname[2] == '\0')))
 			continue;
-		strlcpy(p, dname, MAXPATHLEN - l);
-		send_file_name(f, flist, fname, recurse, 0);
+		if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset)
+			send_file_name(f, flist, fname, recurse, 0);
+		else {
+			io_error |= IOERR_GENERAL;
+			rprintf(FINFO,
+				"cannot send long-named file %s\n",
+				full_fname(fname));
+		}
 	}
 	if (errno) {
 		io_error |= IOERR_GENERAL;
 		rprintf(FERROR, "readdir(%s): (%d) %s\n",
-		    dir, errno, strerror(errno));
+			dir, errno, strerror(errno));
 	}
 
 	if (local_exclude_list)
@@ -982,7 +982,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 {
 	int l;
 	STRUCT_STAT st;
-	char *p, *dir, *olddir;
+	char *p, *dir, olddir[sizeof curr_dir];
 	char lastpath[MAXPATHLEN] = "";
 	struct file_list *flist;
 	int64 start_write;
@@ -998,7 +998,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 	if (f != -1) {
 		io_start_buffering_out(f);
 		if (filesfrom_fd >= 0) {
-			if (argv[0] && !push_dir(argv[0], 0)) {
+			if (argv[0] && !push_dir(argv[0])) {
 				rprintf(FERROR, "push_dir %s failed: %s\n",
 					full_fname(argv[0]), strerror(errno));
 				exit_cleanup(RERR_FILESELECT);
@@ -1028,8 +1028,9 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 			if (l == 2 && fname[0] == '.') {
 				/* Turn "./" into just "." rather than "./." */
 				fname[1] = '\0';
-			} else {
-				strlcat(fname, ".", MAXPATHLEN);
+			} else if (l < MAXPATHLEN) {
+				fname[l++] = '.';
+				fname[l] = '\0';
 			}
 		}
 
@@ -1048,7 +1049,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 		}
 
 		dir = NULL;
-		olddir = NULL;
+		olddir[0] = '\0';
 
 		if (!relative_paths) {
 			p = strrchr(fname, '/');
@@ -1099,26 +1100,36 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 			fname = ".";
 
 		if (dir && *dir) {
-			olddir = push_dir(dir, 1);
+			static char *lastdir;
+			static int lastdir_len;
+
+			strcpy(olddir, curr_dir); /* can't overflow */
 
-			if (!olddir) {
+			if (!push_dir(dir)) {
 				io_error |= IOERR_GENERAL;
 				rprintf(FERROR, "push_dir %s failed: %s\n",
 					full_fname(dir), strerror(errno));
 				continue;
 			}
 
-			flist_dir = dir;
+			if (lastdir && strcmp(lastdir, dir) == 0) {
+				flist_dir = lastdir;
+				flist_dir_len = lastdir_len;
+			} else {
+				flist_dir = lastdir = strdup(dir);
+				flist_dir_len = lastdir_len = strlen(dir);
+			}
 		}
 
 		if (one_file_system)
 			set_filesystem(fname);
 
-		send_file_name(f, flist, fname, recurse, FLAG_DELETE);
+		send_file_name(f, flist, fname, recurse, XMIT_TOP_DIR);
 
-		if (olddir != NULL) {
+		if (olddir[0]) {
 			flist_dir = NULL;
-			if (pop_dir(olddir) != 0) {
+			flist_dir_len = 0;
+			if (!pop_dir(olddir)) {
 				rprintf(FERROR, "pop_dir %s failed: %s\n",
 					full_fname(dir), strerror(errno));
 				exit_cleanup(RERR_FILESELECT);
@@ -1185,7 +1196,7 @@ struct file_list *recv_file_list(int f)
 
 		flist_expand(flist);
 
-		if (protocol_version >= 28 && (flags & EXTENDED_FLAGS))
+		if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
 			flags |= read_byte(f) << 8;
 		receive_file_entry(&flist->files[i], flags, f);
 
@@ -1297,10 +1308,12 @@ void free_file(struct file_struct *file)
 		return;
 	if (file->basename)
 		free(file->basename);
-	if (!IS_DEVICE(file->mode) && file->u.link)
-		free(file->u.link); /* Handles u.sum too. */
+	if (!IS_DEVICE(file->mode) && file->u.sum)
+		free(file->u.sum); /* Handles u.link too. */
+#if SUPPORT_HARD_LINKS
 	if (file->link_u.idev)
 		free((char*)file->link_u.idev); /* Handles link_u.links too. */
+#endif
 	*file = null_file;
 }
 
@@ -1385,8 +1398,8 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
 			/* Make sure that if we unduplicate '.', that we don't
 			 * lose track of a user-specified starting point (or
 			 * else deletions will mysteriously fail with -R). */
-			if (flist->files[i]->flags & FLAG_DELETE)
-				flist->files[prev_i]->flags |= FLAG_DELETE;
+			if (flist->files[i]->flags & FLAG_TOP_DIR)
+				flist->files[prev_i]->flags |= FLAG_TOP_DIR;
 			/* it's not great that the flist knows the semantics of
 			 * the file memory usage, but i'd rather not add a flag
 			 * byte to that struct.
@@ -1422,8 +1435,9 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
 		return;
 
 	for (i = 0; i < flist->count; i++) {
-		rprintf(FINFO, "[%ld] i=%d %s %s mode=0%o len=%.0f\n",
-			(long) getpid(), i,
+		rprintf(FINFO, "[%s] i=%d %s %s %s mode=0%o len=%.0f\n",
+			who_am_i(), i,
+			NS(flist->files[i]->basedir),
 			NS(flist->files[i]->dirname),
 			NS(flist->files[i]->basename),
 			(int) flist->files[i]->mode,
@@ -1503,19 +1517,21 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
 
 
 /* Return a copy of the full filename of a flist entry, using the indicated
- * buffer.
+ * buffer.  No size-checking is done because we checked the size when creating
+ * the file_struct entry.
  */
-char *f_name_to(struct file_struct *f, char *fbuf, int bsize)
+char *f_name_to(struct file_struct *f, char *fbuf)
 {
 	if (!f || !f->basename)
 		return NULL;
 
 	if (f->dirname) {
-		int off = strlcpy(fbuf, f->dirname, bsize);
-		off += strlcpy(fbuf + off, "/", bsize - off);
-		strlcpy(fbuf + off, f->basename, bsize - off);
+		int len = strlen(f->dirname);
+		memcpy(fbuf, f->dirname, len);
+		fbuf[len] = '/';
+		strcpy(fbuf + len + 1, f->basename);
 	} else
-		strlcpy(fbuf, f->basename, bsize);
+		strcpy(fbuf, f->basename);
 	return fbuf;
 }
 
@@ -1529,5 +1545,5 @@ char *f_name(struct file_struct *f)
 
 	n = (n + 1) % (sizeof names / sizeof names[0]);
 
-	return f_name_to(f, names[n], sizeof names[0]);
+	return f_name_to(f, names[n]);
 }