Add support for transferring & setting nsec time values.

[rsync/rsync.git] / tls.c

diff --git a/tls.c b/tls.c
index 1c5953d..aa43b91 100644 (file)
--- a/tls.c
+++ b/tls.c
@@ -48,10 +48,19 @@ int read_only = 1;
 int list_only = 0;
 int link_times = 0;
 int link_owner = 0;
+int nsec_times = 0;
 int preserve_perms = 0;
 int preserve_executability = 0;
 char number_separator;
 
+#ifdef HAVE_UTIMENSAT
+#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
+#define ST_MTIME_NSEC st_mtim.tv_nsec
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
+#define ST_MTIME_NSEC st_mtimensec
+#endif
+#endif
+
 #ifdef SUPPORT_XATTRS
 
 #ifdef HAVE_LINUX_XATTRS
@@ -161,9 +170,10 @@ static void list_file(const char *fname)
        permstring(permbuf, buf.st_mode);
 
        if (buf.st_mtime) {
+               int len;
                mt = gmtime(&buf.st_mtime);
 
-               snprintf(datebuf, sizeof datebuf,
+               len = snprintf(datebuf, sizeof datebuf,
                        "%04d-%02d-%02d %02d:%02d:%02d",
                        (int)mt->tm_year + 1900,
                        (int)mt->tm_mon + 1,
@@ -171,8 +181,17 @@ static void list_file(const char *fname)
                        (int)mt->tm_hour,
                        (int)mt->tm_min,
                        (int)mt->tm_sec);
-       } else
-               strlcpy(datebuf, "                   ", sizeof datebuf);
+#ifdef ST_MTIME_NSEC
+               if (nsec_times) {
+                       snprintf(datebuf + len, sizeof datebuf - len,
+                               ".%09d", (int)buf.ST_MTIME_NSEC);
+               }
+#endif
+       } else {
+               int len = MIN(19 + 9*nsec_times, (int)sizeof datebuf - 1);
+               memset(datebuf, ' ', len);
+               datebuf[len] = '\0';
+       }
 
        /* TODO: Perhaps escape special characters in fname? */
 
@@ -194,6 +213,9 @@ static struct poptOption long_options[] = {
   {"link-owner",      'L', POPT_ARG_NONE,   &link_owner, 0, 0, 0 },
 #ifdef SUPPORT_XATTRS
   {"fake-super",      'f', POPT_ARG_VAL,    &am_root, -1, 0, 0 },
+#endif
+#ifdef ST_MTIME_NSEC
+  {"nsec",            's', POPT_ARG_NONE,   &nsec_times, 0, 0, 0 },
 #endif
   {"help",            'h', POPT_ARG_NONE,   0, 'h', 0, 0 },
   {0,0,0,0,0,0,0}