Display ??:??:?? when a time estimate gets too big.
[rsync.git] / tls.c
diff --git a/tls.c b/tls.c
index 4ffca33edbe5e409458e7b3011d73bc70c5d04b8..0ddb579d14faa8ffb0a084b80c5a85d2ed84f028 100644 (file)
--- a/tls.c
+++ b/tls.c
@@ -2,7 +2,7 @@
  * Trivial ls for comparing two directories after running an rsync.
  *
  * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
- * Copyright (C) 2003-2018 Wayne Davison
+ * Copyright (C) 2003-2021 Wayne Davison
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -49,10 +49,6 @@ int list_only = 0;
 int link_times = 0;
 int link_owner = 0;
 int nsec_times = 0;
-int preserve_perms = 0;
-int preserve_executability = 0;
-int preallocate_files = 0;
-int inplace = 0;
 
 #ifdef SUPPORT_XATTRS
 
@@ -64,7 +60,8 @@ int inplace = 0;
 
 static int stat_xattr(const char *fname, STRUCT_STAT *fst)
 {
-       int mode, rdev_major, rdev_minor, uid, gid, len;
+       unsigned int mode;
+       int rdev_major, rdev_minor, uid, gid, len;
        char buf[256];
 
        if (am_root >= 0 || IS_DEVICE(fst->st_mode) || IS_SPECIAL(fst->st_mode))
@@ -111,6 +108,11 @@ static int stat_xattr(const char *fname, STRUCT_STAT *fst)
 
 #endif
 
+static int display_atimes = 0;
+#ifdef SUPPORT_CRTIMES
+static int display_crtimes = 0;
+#endif
+
 static void failed(char const *what, char const *where)
 {
        fprintf(stderr, PROGRAM ": %s %s: %s\n",
@@ -118,16 +120,49 @@ static void failed(char const *what, char const *where)
        exit(1);
 }
 
+static void storetime(char *dest, size_t destsize, time_t t, int nsecs)
+{
+       if (t) {
+               int len;
+               struct tm *mt = gmtime(&t);
+
+               len = snprintf(dest, destsize,
+                       " %04d-%02d-%02d %02d:%02d:%02d",
+                       (int)mt->tm_year + 1900,
+                       (int)mt->tm_mon + 1,
+                       (int)mt->tm_mday,
+                       (int)mt->tm_hour,
+                       (int)mt->tm_min,
+                       (int)mt->tm_sec);
+               if (nsecs >= 0 && len >= 0)
+                       snprintf(dest + len, destsize - len, ".%09d", nsecs);
+       } else {
+               int has_nsecs = nsecs >= 0 ? 1 : 0;
+               int len = MIN(20 + 10*has_nsecs, (int)destsize - 1);
+               memset(dest, ' ', len);
+               dest[len] = '\0';
+       }
+}
+
 static void list_file(const char *fname)
 {
        STRUCT_STAT buf;
+#ifdef SUPPORT_CRTIMES
+       time_t crtime = 0;
+#endif
        char permbuf[PERMSTRING_SIZE];
-       struct tm *mt;
-       char datebuf[50];
+       char mtimebuf[50];
+       char atimebuf[50];
+       char crtimebuf[50];
        char linkbuf[4096];
+       int nsecs;
 
        if (do_lstat(fname, &buf) < 0)
                failed("stat", fname);
+#ifdef SUPPORT_CRTIMES
+       if (display_crtimes && (crtime = get_create_time(fname, &buf)) == 0)
+               failed("get_create_time", fname);
+#endif
 #ifdef SUPPORT_XATTRS
        if (am_root < 0)
                stat_xattr(fname, &buf);
@@ -150,58 +185,54 @@ static void list_file(const char *fname)
                        buf.st_uid = buf.st_gid = 0;
                strlcpy(linkbuf, " -> ", sizeof linkbuf);
                /* const-cast required for silly UNICOS headers */
-               len = do_readlink((char *) fname, linkbuf+4, sizeof(linkbuf) - 4);
+               len = do_readlink((char*)fname, linkbuf+4, sizeof linkbuf - 4);
                if (len == -1)
                        failed("do_readlink", fname);
                else
                        /* it's not nul-terminated */
                        linkbuf[4+len] = 0;
        } else {
-               linkbuf[0] = 0;
+               linkbuf[0] = '\0';
        }
 
        permstring(permbuf, buf.st_mode);
-
-       if (buf.st_mtime) {
-               int len;
-               mt = gmtime(&buf.st_mtime);
-
-               len = snprintf(datebuf, sizeof datebuf,
-                       "%04d-%02d-%02d %02d:%02d:%02d",
-                       (int)mt->tm_year + 1900,
-                       (int)mt->tm_mon + 1,
-                       (int)mt->tm_mday,
-                       (int)mt->tm_hour,
-                       (int)mt->tm_min,
-                       (int)mt->tm_sec);
 #ifdef ST_MTIME_NSEC
-               if (nsec_times) {
-                       snprintf(datebuf + len, sizeof datebuf - len,
-                               ".%09d", (int)buf.ST_MTIME_NSEC);
-               }
+       if (nsec_times)
+               nsecs = (int)buf.ST_MTIME_NSEC;
+       else
 #endif
-       } else {
-               int len = MIN(19 + 9*nsec_times, (int)sizeof datebuf - 1);
-               memset(datebuf, ' ', len);
-               datebuf[len] = '\0';
-       }
+               nsecs = -1;
+       storetime(mtimebuf, sizeof mtimebuf, buf.st_mtime, nsecs);
+       if (display_atimes)
+               storetime(atimebuf, sizeof atimebuf, S_ISDIR(buf.st_mode) ? 0 : buf.st_atime, -1);
+       else
+               atimebuf[0] = '\0';
+#ifdef SUPPORT_CRTIMES
+       if (display_crtimes)
+               storetime(crtimebuf, sizeof crtimebuf, crtime, -1);
+       else
+#endif
+               crtimebuf[0] = '\0';
 
        /* TODO: Perhaps escape special characters in fname? */
-
        printf("%s ", permbuf);
+
        if (S_ISCHR(buf.st_mode) || S_ISBLK(buf.st_mode)) {
-               printf("%5ld,%6ld",
-                   (long)major(buf.st_rdev),
-                   (long)minor(buf.st_rdev));
+               printf("%5ld,%6ld", (long)major(buf.st_rdev), (long)minor(buf.st_rdev));
        } else
                printf("%15s", do_big_num(buf.st_size, 1, NULL));
-       printf(" %6ld.%-6ld %6ld %s %s%s\n",
+
+       printf(" %6ld.%-6ld %6ld%s%s%s %s%s\n",
               (long)buf.st_uid, (long)buf.st_gid, (long)buf.st_nlink,
-              datebuf, fname, linkbuf);
+              mtimebuf, atimebuf, crtimebuf, fname, linkbuf);
 }
 
 static struct poptOption long_options[] = {
   /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+  {"atimes",          'U', POPT_ARG_NONE,   &display_atimes, 0, 0, 0},
+#ifdef SUPPORT_CRTIMES
+  {"crtimes",         'N', POPT_ARG_NONE,   &display_crtimes, 0, 0, 0},
+#endif
   {"link-times",      'l', POPT_ARG_NONE,   &link_times, 0, 0, 0 },
   {"link-owner",      'L', POPT_ARG_NONE,   &link_owner, 0, 0, 0 },
 #ifdef SUPPORT_XATTRS
@@ -214,12 +245,16 @@ static struct poptOption long_options[] = {
   {0,0,0,0,0,0,0}
 };
 
-static void tls_usage(int ret)
+static void NORETURN tls_usage(int ret)
 {
   FILE *F = ret ? stderr : stdout;
   fprintf(F,"usage: " PROGRAM " [OPTIONS] FILE ...\n");
   fprintf(F,"Trivial file listing program for portably checking rsync\n");
   fprintf(F,"\nOptions:\n");
+  fprintf(F," -U, --atimes                display access (last-used) times\n");
+#ifdef SUPPORT_CRTIMES
+  fprintf(F," -N, --crtimes               display create times (newness)\n");
+#endif
   fprintf(F," -l, --link-times            display the time on a symlink\n");
   fprintf(F," -L, --link-owner            display the owner+group on a symlink\n");
 #ifdef SUPPORT_XATTRS
@@ -236,15 +271,13 @@ main(int argc, char *argv[])
        const char **extra_args;
        int opt;
 
-       pc = poptGetContext(PROGRAM, argc, (const char **)argv,
-                           long_options, 0);
+       pc = poptGetContext(PROGRAM, argc, (const char **)argv, long_options, 0);
        while ((opt = poptGetNextOpt(pc)) != -1) {
                switch (opt) {
                case 'h':
                        tls_usage(0);
                default:
-                       fprintf(stderr,
-                               "%s: %s\n",
+                       fprintf(stderr, "%s: %s\n",
                                poptBadOption(pc, POPT_BADOPTION_NOALIAS),
                                poptStrerror(opt));
                        tls_usage(1);