extern int io_timeout;
extern int no_detach;
extern int default_af_hint;
-@@ -641,6 +642,8 @@ static int rsync_module(int f_in, int f_
+@@ -676,6 +677,8 @@ static int rsync_module(int f_in, int f_
else if (am_root < 0) /* Treat --fake-super from client as --super. */
am_root = 2;
--- old/flist.c
+++ new/flist.c
-@@ -25,6 +25,7 @@
+@@ -26,6 +26,7 @@
#include "io.h"
extern int verbose;
+extern int dry_run;
- extern int list_only;
extern int am_root;
extern int am_server;
-@@ -57,6 +58,7 @@ extern int implied_dirs;
+ extern int am_daemon;
+@@ -58,6 +59,7 @@ extern int implied_dirs;
extern int file_extra_cnt;
extern int ignore_perishable;
extern int non_perishable_cnt;
extern int prune_empty_dirs;
extern int copy_links;
extern int copy_unsafe_links;
-@@ -79,6 +81,9 @@ extern iconv_t ic_send, ic_recv;
+@@ -82,6 +84,9 @@ extern iconv_t ic_send, ic_recv;
#define PTR_SIZE (sizeof (struct file_struct *))
int io_error;
int checksum_len;
dev_t filesystem_dev; /* used to implement -x */
-@@ -101,6 +106,10 @@ static char tmp_sum[MAX_DIGEST_LEN];
- static char empty_sum[MAX_DIGEST_LEN];
+@@ -117,6 +122,10 @@ static char empty_sum[MAX_DIGEST_LEN];
static int flist_count_offset; /* for --delete --progress */
static int dir_count = 0;
-+static struct file_list *checksum_flist = NULL;
+ static int high_hlink_ndx;
+static int checksum_matches = 0;
+static int checksum_updates = 0;
+static int regular_skipped = 0;
++static struct file_list *checksum_flist = NULL;
static void clean_flist(struct file_list *flist, int strip_root);
static void output_flist(struct file_list *flist);
-@@ -317,6 +326,304 @@ static void flist_done_allocating(struct
+@@ -304,6 +313,301 @@ static void flist_done_allocating(struct
flist->pool_boundary = ptr;
}
+/* The len count is the length of the basename + 1 for the null. */
-+static void add_checksum(const char *dirname, const char *basename, int len,
-+ OFF_T file_length, time_t mtime, time_t ctime,
-+ const char *sum, const char *alt_sum, int flags)
++static int add_checksum(const char *dirname, const char *basename, int len,
++ OFF_T file_length, time_t mtime, int32 ctime, int32 inode,
++ const char *sum, const char *alt_sum, int flags)
+{
+ struct file_struct *file;
+ int alloc_len, extra_len;
+ char *bp;
+
+ if (len == 10+1 && *basename == '.' && strcmp(basename, ".rsyncsums") == 0)
-+ return;
++ return 0;
++ if (file_length == 0)
++ return 0;
+
+ if (len < 0)
+ len = strlen(basename) + 1;
+
-+ extra_len = (file_extra_cnt + (file_length > 0xFFFFFFFFu)
-+ + SUM_EXTRA_CNT + TIME_EXTRA_CNT)
++ /* "2" is for a 32-bit ctime num and an 32-bit inode num. */
++ extra_len = (file_extra_cnt + (file_length > 0xFFFFFFFFu) + SUM_EXTRA_CNT + 2)
+ * EXTRA_LEN;
+#if EXTRA_ROUNDING > 0
+ if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
+ file->dirname = dirname;
+ bp = F_SUM(file);
+ memcpy(bp, sum, checksum_len);
-+#if SIZEOF_TIME_T == 4
-+ OPT_EXTRA(file, LEN64_BUMP(file) + SUM_EXTRA_CNT)->num = ctime;
-+#else
-+ memcpy(bp - SIZEOF_TIME_T, &ctime, SIZEOF_TIME_T);
-+#endif
++ F_CTIME(file) = ctime;
++ F_INODE(file) = inode;
+
+ flist_expand(checksum_flist, 1);
-+ checksum_flist->files[checksum_flist->count++] = file;
++ checksum_flist->files[checksum_flist->used++] = file;
+
+ checksum_flist->sorted = checksum_flist->files;
++
++ return 1;
+}
+
+static void write_checksums(const char *next_dirname, int whole_dir)
+ static const char *dirname_save;
+ char fbuf[MAXPATHLEN];
+ const char *dirname;
-+ int count, new_entries, counts_match, no_skipped;
-+ time_t latest_time = 0;
++ int used, new_entries, counts_match, no_skipped;
+ FILE *out_fp;
+ int i;
+
+ if (!dirname)
+ return;
+
-+ count = checksum_flist->count;
++ used = checksum_flist->used;
+ new_entries = checksum_updates != 0;
-+ counts_match = count == checksum_matches;
++ counts_match = used == checksum_matches;
+ no_skipped = whole_dir && regular_skipped == 0;
+
+ clean_flist(checksum_flist, 0);
+
-+ checksum_flist->count = 0;
++ checksum_flist->used = 0;
+ checksum_matches = 0;
+ checksum_updates = 0;
+ regular_skipped = 0;
+ const char *cp = F_SUM(file);
+ const char *end = cp + checksum_len;
+ const char *alt_sum = file->basename + strlen(file->basename) + 1;
-+ time_t ctime;
++ int32 ctime, inode;
+ if (whole_dir && !(file->flags & FLAG_SUM_KEEP))
+ continue;
-+#if SIZEOF_TIME_T == 4
-+ ctime = OPT_EXTRA(file, LEN64_BUMP(file) + SUM_EXTRA_CNT)->num;
-+#else
-+ memcpy(&ctime, cp - SIZEOF_TIME_T, SIZEOF_TIME_T);
-+#endif
++ ctime = F_CTIME(file);
++ inode = F_INODE(file);
+ if (protocol_version >= 30)
+ fprintf(out_fp, "%s ", alt_sum);
+ if (file->flags & FLAG_SUM_MISSING) {
+ } while (++cp != end);
+ } else {
+ do {
-+ fprintf(out_fp, "%02x", CVAL(cp, 0));
++ fprintf(out_fp, "%02x", (int)CVAL(cp, 0));
+ } while (++cp != end);
+ }
+ if (protocol_version < 30)
+ fprintf(out_fp, " %s", alt_sum);
+ if (*alt_sum == '=')
+ new_entries++;
-+ fprintf(out_fp, " %10.0f %10.0f %10.0f %s\n",
++ fprintf(out_fp, " %10.0f %10.0f %10lu %10lu %s\n",
+ (double)F_LENGTH(file), (double)file->modtime,
-+ (double)ctime, file->basename);
-+ if (file->modtime > ctime)
-+ ctime = file->modtime;
-+ if (ctime > latest_time)
-+ latest_time = ctime;
++ (long)ctime, (long)inode, file->basename);
+ }
+
+ fclose(out_fp);
-+
-+ if (whole_dir && new_entries == 0)
-+ set_modtime(fbuf, latest_time, latest_time);
-+ else
-+ set_modtime(fbuf, latest_time-1, latest_time-1);
+}
+
+/* The direname value must remain unchanged during the lifespan of the
+ char line[MAXPATHLEN+1024], fbuf[MAXPATHLEN], sum[MAX_DIGEST_LEN];
+ const char *alt_sum = NULL;
+ OFF_T file_length;
-+ time_t mtime, ctime;
++ time_t mtime;
++ int32 ctime, inode;
+ int len, dlen, i, flags;
+ char *cp;
+ FILE *fp;
+
-+ write_checksums(dirname, 0);
++ if (checksum_updating)
++ write_checksums(dirname, 0);
+
+ if (checksum_flist) {
+ /* Reset the pool memory and empty the file-list array. */
+ pool_free_old(checksum_flist->file_pool,
+ pool_boundary(checksum_flist->file_pool, 0));
-+ checksum_flist->count = 0;
++ checksum_flist->used = 0;
+ } else
+ checksum_flist = flist_new(FLIST_TEMP, "read_checksums");
+
+ break;
+ while (*++cp == ' ') {}
+
++ inode = 0;
++ while (isDigit(cp))
++ inode = inode * 10 + *cp++ - '0';
++ if (*cp != ' ')
++ break;
++ while (*++cp == ' ') {}
++
+ len = strlen(cp);
+ while (len && (cp[len-1] == '\n' || cp[len-1] == '\r'))
+ len--;
+ checksum_matches++;
+ }
+
-+ add_checksum(dirname, cp, len, file_length, mtime, ctime,
++ add_checksum(dirname, cp, len, file_length, mtime, ctime, inode,
+ sum, alt_sum, flags);
+ }
+ fclose(fp);
int push_pathname(const char *dir, int len)
{
if (dir == pathname)
-@@ -980,34 +1287,24 @@ static struct file_struct *recv_file_ent
- return file;
- }
-
--/**
-- * Create a file_struct for a named file by reading its stat()
-- * information and performing extensive checks against global
-- * options.
-- *
-- * @return the new file, or NULL if there was an error or this file
-- * should be excluded.
-+/* Create a file_struct for a named file by reading its stat() information
-+ * and performing extensive checks against global options.
- *
-- * @todo There is a small optimization opportunity here to avoid
-- * stat()ing the file in some circumstances, which has a certain cost.
-- * We are called immediately after doing readdir(), and so we may
-- * already know the d_type of the file. We could for example avoid
-- * statting directories if we're not recursing, but this is not a very
-- * important case. Some systems may not have d_type.
-- **/
-+ * Returns a pointer to the new file struct, or NULL if there was an error
-+ * or this file should be excluded. */
- struct file_struct *make_file(const char *fname, struct file_list *flist,
+@@ -975,7 +1279,7 @@ struct file_struct *make_file(const char
STRUCT_STAT *stp, int flags, int filter_level)
{
static char *lastdir;
- static int lastdir_len = -1;
+ static int lastdir_len = -2;
struct file_struct *file;
-- STRUCT_STAT st;
char thisname[MAXPATHLEN];
char linkname[MAXPATHLEN];
- int alloc_len, basename_len, linkname_len;
- int extra_len = file_extra_cnt * EXTRA_LEN;
- const char *basename;
- alloc_pool_t *pool;
-+ STRUCT_STAT st;
- char *bp;
-
- if (strlcpy(thisname, fname, sizeof thisname) >= sizeof thisname) {
-@@ -1086,6 +1383,8 @@ struct file_struct *make_file(const char
+@@ -1065,6 +1369,8 @@ struct file_struct *make_file(const char
if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) {
if (ignore_perishable)
non_perishable_cnt++;
return NULL;
}
-@@ -1124,9 +1423,16 @@ struct file_struct *make_file(const char
+@@ -1105,9 +1411,16 @@ struct file_struct *make_file(const char
memcpy(lastdir, thisname, len);
lastdir[len] = '\0';
lastdir_len = len;
basename_len = strlen(basename) + 1; /* count the '\0' */
#ifdef SUPPORT_LINKS
-@@ -1202,11 +1508,44 @@ struct file_struct *make_file(const char
+@@ -1183,11 +1496,44 @@ struct file_struct *make_file(const char
}
#endif
+ int j;
+ if (flist && (j = flist_find(checksum_flist, file)) >= 0) {
+ struct file_struct *fp = checksum_flist->sorted[j];
-+ time_t ctime;
-+#if SIZEOF_TIME_T == 4
-+ ctime = OPT_EXTRA(fp, LEN64_BUMP(fp) + SUM_EXTRA_CNT)->num;
-+#else
-+ memcpy(&ctime, F_SUM(fp) - SIZEOF_TIME_T, SIZEOF_TIME_T);
-+#endif
++ int32 ctime = F_CTIME(fp);
++ int32 inode = F_INODE(fp);
+ if (F_LENGTH(fp) == st.st_size
-+ && fp->modtime == st.st_mtime && ctime == st.st_ctime) {
++ && fp->modtime == st.st_mtime
++ && ctime == (int32)st.st_ctime
++ && inode == (int32)st.st_ino) {
+ if (fp->flags & FLAG_SUM_MISSING) {
+ fp->flags &= ~FLAG_SUM_MISSING;
++ checksum_updates++;
+ file_checksum(thisname, tmp_sum, st.st_size);
+ memcpy(F_SUM(fp), tmp_sum, MAX_DIGEST_LEN);
+ } else {
+ compute_new_checksum:
+ file_checksum(thisname, tmp_sum, st.st_size);
+ if (checksum_updating && flist) {
-+ add_checksum(file->dirname, basename, basename_len,
-+ st.st_size, st.st_mtime, st.st_ctime,
-+ tmp_sum, NULL, FLAG_SUM_KEEP);
++ checksum_updates +=
++ add_checksum(file->dirname, basename, basename_len,
++ st.st_size, st.st_mtime, st.st_ctime,
++ st.st_ino, tmp_sum, NULL, FLAG_SUM_KEEP);
+ }
+ }
+ }
/* This code is only used by the receiver when it is building
* a list of files for a delete pass. */
if (keep_dirlinks && linkname_len && flist) {
-@@ -1499,6 +1838,9 @@ static void send_directory(int f, struct
+@@ -1476,6 +1822,9 @@ static void send_directory(int f, struct
closedir(d);
if (f >= 0 && recurse && !divert_dirs) {
int i, end = flist->used - 1;
/* send_if_directory() bumps flist->used, so use "end". */
-@@ -1942,7 +2284,11 @@ struct file_list *send_file_list(int f,
+@@ -2034,7 +2383,11 @@ struct file_list *send_file_list(int f,
* file-list to check if this is a 1-file xfer. */
send_extra_file_list(f, 1);
}
return flist;
}
-@@ -2235,7 +2581,7 @@ void flist_free(struct file_list *flist)
+@@ -2320,7 +2673,7 @@ void flist_free(struct file_list *flist)
if (!flist->prev || !flist_cnt)
pool_destroy(flist->file_pool);
pool_free_old(flist->file_pool, flist->pool_boundary);
if (flist->sorted && flist->sorted != flist->files)
+--- old/ifuncs.h
++++ new/ifuncs.h
+@@ -64,6 +64,12 @@ isDigit(const char *ptr)
+ }
+
+ static inline int
++isXDigit(const char *ptr)
++{
++ return isxdigit(*(unsigned char *)ptr);
++}
++
++static inline int
+ isPrint(const char *ptr)
+ {
+ return isprint(*(unsigned char *)ptr);
--- old/loadparm.c
+++ new/loadparm.c
-@@ -152,6 +152,7 @@ typedef struct
+@@ -153,6 +153,7 @@ typedef struct
int syslog_facility;
int timeout;
BOOL fake_super;
BOOL ignore_errors;
BOOL ignore_nonreadable;
-@@ -200,6 +201,7 @@ static service sDefault =
+@@ -201,6 +202,7 @@ static service sDefault =
/* syslog_facility; */ LOG_DAEMON,
/* timeout; */ 0,
/* fake_super; */ False,
/* ignore_errors; */ False,
/* ignore_nonreadable; */ False,
-@@ -316,6 +318,7 @@ static struct parm_struct parm_table[] =
+@@ -317,6 +319,7 @@ static struct parm_struct parm_table[] =
{"lock file", P_STRING, P_LOCAL, &sDefault.lock_file, NULL,0},
{"log file", P_STRING, P_LOCAL, &sDefault.log_file, NULL,0},
{"log format", P_STRING, P_LOCAL, &sDefault.log_format, NULL,0},
{"max connections", P_INTEGER,P_LOCAL, &sDefault.max_connections, NULL,0},
{"max verbosity", P_INTEGER,P_LOCAL, &sDefault.max_verbosity, NULL,0},
{"name", P_STRING, P_LOCAL, &sDefault.name, NULL,0},
-@@ -421,6 +424,7 @@ FN_LOCAL_BOOL(lp_fake_super, fake_super)
+@@ -422,6 +425,7 @@ FN_LOCAL_BOOL(lp_fake_super, fake_super)
FN_LOCAL_BOOL(lp_ignore_errors, ignore_errors)
FN_LOCAL_BOOL(lp_ignore_nonreadable, ignore_nonreadable)
FN_LOCAL_BOOL(lp_list, list)
FN_LOCAL_BOOL(lp_transfer_logging, transfer_logging)
--- old/options.c
+++ new/options.c
-@@ -109,6 +109,7 @@ size_t bwlimit_writemax = 0;
+@@ -110,6 +110,7 @@ size_t bwlimit_writemax = 0;
int ignore_existing = 0;
int ignore_non_existing = 0;
int need_messages_from_generator = 0;
int max_delete = INT_MIN;
OFF_T max_size = 0;
OFF_T min_size = 0;
-@@ -303,6 +304,7 @@ void usage(enum logcode F)
+@@ -310,6 +311,7 @@ void usage(enum logcode F)
rprintf(F," -q, --quiet suppress non-error messages\n");
rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
rprintf(F," -r, --recursive recurse into directories\n");
-@@ -544,6 +546,7 @@ static struct poptOption long_options[]
+@@ -557,6 +559,7 @@ static struct poptOption long_options[]
{"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
{"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
{"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
{"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
{"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
{"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
-@@ -1913,7 +1916,9 @@ void server_options(char **args,int *arg
+@@ -1958,7 +1961,9 @@ void server_options(char **args, int *ar
args[ac++] = basis_dir[i];
}
}
+ args[ac++] = "--checksum-updating";
+
- if (append_mode)
- args[ac++] = "--append";
+ if (append_mode) {
+ if (append_mode > 1)
--- old/rsync.h
+++ new/rsync.h
-@@ -592,6 +592,7 @@ extern int xattrs_ndx;
- #define DEV_EXTRA_CNT 2
- #define DIRNODE_EXTRA_CNT 3
- #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN)
-+#define TIME_EXTRA_CNT ((SIZEOF_TIME_T + EXTRA_LEN - 1) / EXTRA_LEN)
+@@ -639,6 +639,10 @@ extern int xattrs_ndx;
+ #define F_SUM(f) ((char*)OPT_EXTRA(f, LEN64_BUMP(f) + HLINK_BUMP(f) \
+ + SUM_EXTRA_CNT - 1))
- #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx))
- #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump))
-@@ -1077,6 +1078,12 @@ isDigit(const char *ptr)
- }
-
- static inline int
-+isXDigit(const char *ptr)
-+{
-+ return isxdigit(*(unsigned char *)ptr);
-+}
++/* These are only valid on an entry read from a checksum file. */
++#define F_CTIME(f) OPT_EXTRA(f, LEN64_BUMP(f) + SUM_EXTRA_CNT)->num
++#define F_INODE(f) OPT_EXTRA(f, LEN64_BUMP(f) + SUM_EXTRA_CNT + 1)->num
+
-+static inline int
- isPrint(const char *ptr)
- {
- return isprint(*(unsigned char *)ptr);
+ /* Some utility defines: */
+ #define F_IS_ACTIVE(f) (f)->basename[0]
+ #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED)
--- old/rsync.yo
+++ new/rsync.yo
@@ -322,6 +322,7 @@ to the detailed description below for a
-a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)
--no-OPTION turn off an implied OPTION (e.g. --no-D)
-r, --recursive recurse into directories
-@@ -518,9 +519,9 @@ uses a "quick check" that (by default) c
+@@ -520,9 +521,9 @@ uses a "quick check" that (by default) c
of last modification match between the sender and receiver. This option
changes this to compare a 128-bit MD4 checksum for each file that has a
matching size. Generating the checksums means that both sides will expend
The sending side generates its checksums while it is doing the file-system
scan that builds the list of the available files. The receiver generates
-@@ -528,12 +529,42 @@ its checksums when it is scanning for ch
+@@ -530,12 +531,42 @@ its checksums when it is scanning for ch
file that has the same size as the corresponding sender's file: files with
either a changed size or a changed checksum are selected for transfer.
everything (with -H being a notable omission).
--- old/rsyncd.conf.yo
+++ new/rsyncd.conf.yo
-@@ -198,6 +198,20 @@ locking on this file to ensure that the
+@@ -199,6 +199,20 @@ locking on this file to ensure that the
exceeded for the modules sharing the lock file.
The default is tt(/var/run/rsyncd.lock).
attempted uploads will fail. If "read only" is false then uploads will
--- old/support/rsyncsums
+++ new/support/rsyncsums
-@@ -0,0 +1,184 @@
+@@ -0,0 +1,175 @@
+#!/usr/bin/perl -w
+use strict;
+
+
+our $SUMS_FILE = '.rsyncsums';
+
-+our($recurse_opt, $force_reading, $help_opt);
++our($recurse_opt, $help_opt);
+our $verbosity = 0;
+
+&Getopt::Long::Configure('bundling');
+&usage if !&GetOptions(
+ 'recurse|r' => \$recurse_opt,
-+ 'force|f' => \$force_reading,
+ 'verbose|v+' => \$verbosity,
+ 'help|h' => \$help_opt,
+) || $help_opt;
+ my %cache;
+ my @subdirs;
+ my $cnt = 0;
-+ my $latest_time = 0;
+ while (defined(my $fn = readdir(DP))) {
+ next if $fn =~ /^\.\.?$/ || $fn =~ /^\Q$SUMS_FILE\E$/o || -l $fn;
+ if (-d _) {
+ }
+ next unless -f _;
+
-+ my($size,$mtime,$ctime) = (stat(_))[7,9,10];
++ my($size,$mtime,$ctime,$inode) = (stat(_))[7,9,10,1];
++ next if $size == 0;
+
-+ $cache{$fn} = [ $size, $mtime, $ctime ];
++ $cache{$fn} = [ $size, $mtime, $ctime & 0xFFFFFFFF, $inode & 0xFFFFFFFF ];
+ $cnt++;
-+
-+ $latest_time = $mtime if $mtime > $latest_time;
-+ $latest_time = $ctime if $ctime > $latest_time;
+ }
+
+ closedir DP;
+ next;
+ }
+
-+ if (defined($sums_mtime) && $sums_mtime == $latest_time && !$force_reading) {
-+ print "OK\n" if $verbosity;
-+ next;
-+ }
-+
+ if (open(FP, '+<', $SUMS_FILE)) {
+ while (<FP>) {
+ chomp;
-+ my($sum4, $sum5, $size, $mtime, $ctime, $fn) = split(' ', $_, 6);
++ my($sum4, $sum5, $size, $mtime, $ctime, $inode, $fn) = split(' ', $_, 7);
+ my $ref = $cache{$fn};
+ if (defined $ref) {
+ if ($$ref[0] == $size
-+ && $$ref[1] == $mtime && $$ref[2] == $ctime
++ && $$ref[1] == $mtime
++ && $$ref[2] == $ctime
++ && $$ref[3] == $inode
+ && $sum4 !~ /=/ && $sum5 !~ /=/) {
-+ $$ref[3] = $sum4;
-+ $$ref[4] = $sum5;
++ $$ref[4] = $sum4;
++ $$ref[5] = $sum5;
+ $cnt--;
+ } else {
-+ $$ref[3] = $$ref[4] = undef;
++ $$ref[4] = $$ref[5] = undef;
+ }
+ } else {
+ $cnt = -1; # Force rewrite due to removed line.
+ }
+
+ if ($cnt) {
-+ print "updating\n" if $verbosity;
++ print "UPDATING\n" if $verbosity;
+ while (my($fn, $ref) = each %cache) {
+ next if defined $$ref[3] && defined $$ref[4];
+ if (!open(IN, $fn)) {
+ next;
+ }
+
-+ my($size,$mtime,$ctime) = (stat(IN))[7,9,10];
-+ my($sum4, $sum5);
++ my($size,$mtime,$ctime,$inode) = (stat(IN))[7,9,10,1];
++ if ($size == 0) {
++ close IN;
++ next;
++ }
+
++ my($sum4, $sum5);
+ while (1) {
+ while (sysread(IN, $_, 64*1024)) {
+ $md4->add($_);
+ $sum5 = $md5->hexdigest;
+ print " $sum4 $sum5" if $verbosity > 2;
+ print " $fn\n" if $verbosity > 1;
-+ my($size2,$mtime2,$ctime2) = (stat(IN))[7,9,10];
-+ last if $size == $size2 && $mtime == $mtime2 && $ctime == $ctime2;
++ my($size2,$mtime2,$ctime2,$inode2) = (stat(IN))[7,9,10,1];
++ last if $size == $size2 && $mtime == $mtime2
++ && $ctime == $ctime2 && $inode == $inode2;
+ $size = $size2;
+ $mtime = $mtime2;
+ $ctime = $ctime2;
++ $inode = $inode2;
+ sysseek(IN, 0, 0);
+ }
+
+ close IN;
+
-+ $cache{$fn} = [ $size, $mtime, $ctime, $sum4, $sum5 ];
++ $cache{$fn} = [ $size, $mtime, $ctime, $inode, $sum4, $sum5 ];
+ }
+
-+ $latest_time = 0;
+ seek(FP, 0, 0);
+ foreach my $fn (sort keys %cache) {
+ my $ref = $cache{$fn};
-+ my($size, $mtime, $ctime, $sum4, $sum5) = @$ref;
-+ printf FP '%s %s %10d %10d %10d %s' . "\n", $sum4, $sum5, $size, $mtime, $ctime, $fn;
-+
-+ $latest_time = $mtime if $mtime > $latest_time;
-+ $latest_time = $ctime if $ctime > $latest_time;
++ my($size, $mtime, $ctime, $inode, $sum4, $sum5) = @$ref;
++ printf FP '%s %s %10d %10d %10d %10d %s' . "\n", $sum4, $sum5, $size, $mtime, $ctime, $inode, $fn;
+ }
+ truncate(FP, tell(FP));
+ } else {
-+ print "OK.\n" if $verbosity;
++ print "ok\n" if $verbosity;
+ }
+
+ close FP;
-+
-+ utime $latest_time, $latest_time, $SUMS_FILE;
+}
+
+sub usage
+
+Options:
+ -r, --recurse Update $SUMS_FILE files in subdirectories too.
-+ -f, --force Force the reading of an $SUMS_FILE file that looks to be
-+ up-to-date. (Useful for weeding out old entries.)
+ -v, --verbose Mention what we're doing. Repeat for more info.
+ -h, --help Display this help message.
+EOT