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authorAndrew Tridgell <tridge@samba.org>2002-06-28 03:52:22 +0000
committerAndrew Tridgell <tridge@samba.org>2002-06-28 03:52:22 +0000
commit310e85d7fb3f6d97e6ec7421eb928cad9c8a8838 (patch)
treeff35205e94e7406015eb09947abe98e47d3e36c9 /source3
parent01eec582433744967d35d611e6b153262fa8f9f2 (diff)
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don't backup to a newer file
(This used to be commit ae2f8aa9d0678aa0014d96fc8b1b52f42cba8349)
Diffstat (limited to 'source3')
-rw-r--r--source3/tdb/tdbbackup.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/source3/tdb/tdbbackup.c b/source3/tdb/tdbbackup.c
index 48c4272d33..f59f98a90f 100644
--- a/source3/tdb/tdbbackup.c
+++ b/source3/tdb/tdbbackup.c
@@ -224,6 +224,21 @@ static int verify_tdb(const char *fname, const char *bak_name)
}
+/*
+ see if one file is newer than another
+*/
+static int file_newer(const char *fname1, const char *fname2)
+{
+ struct stat st1, st2;
+ if (stat(fname1, &st1) != 0) {
+ return 0;
+ }
+ if (stat(fname2, &st2) != 0) {
+ return 1;
+ }
+ return (st1.st_mtime > st2.st_mtime);
+}
+
static void usage(void)
{
printf("Usage: tdbbackup [options] <fname...>\n\n");
@@ -276,7 +291,8 @@ static void usage(void)
ret = 1;
}
} else {
- if (backup_tdb(fname, bak_name) != 0) {
+ if (file_newer(fname, bak_name) &&
+ backup_tdb(fname, bak_name) != 0) {
ret = 1;
}
}