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-rw-r--r--archival/gzip.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/archival/gzip.c b/archival/gzip.c
index a93d2175a..46367f9e6 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -2007,7 +2007,7 @@ static void ct_init(void)
* IN assertions: the input and output buffers are cleared.
*/
-static void zip(ulg time_stamp)
+static void zip(void)
{
ush deflate_flags = 0; /* pkzip -es, -en or -ex equivalent */
@@ -2018,7 +2018,7 @@ static void zip(ulg time_stamp)
/* compression method: 8 (DEFLATED) */
/* general flags: 0 */
put_32bit(0x00088b1f);
- put_32bit(time_stamp);
+ put_32bit(0); /* Unix timestamp */
/* Write deflated file to zip file */
G1.crc = ~0;
@@ -2044,8 +2044,6 @@ static void zip(ulg time_stamp)
static
IF_DESKTOP(long long) int FAST_FUNC pack_gzip(transformer_state_t *xstate UNUSED_PARAM)
{
- struct stat s;
-
/* Clear input and output buffers */
G1.outcnt = 0;
#ifdef DEBUG
@@ -2077,9 +2075,23 @@ IF_DESKTOP(long long) int FAST_FUNC pack_gzip(transformer_state_t *xstate UNUSED
G2.bl_desc.max_length = MAX_BL_BITS;
//G2.bl_desc.max_code = 0;
+#if 0
+ /* Saving of timestamp is disabled. Why?
+ * - it is not Y2038-safe.
+ * - some people want deterministic results
+ * (normally they'd use -n, but our -n is a nop).
+ * - it's bloat.
+ * Per RFC 1952, gzfile.time=0 is "no timestamp".
+ * If users will demand this to be reinstated,
+ * implement -n "don't save timestamp".
+ */
+ struct stat s;
s.st_ctime = 0;
fstat(STDIN_FILENO, &s);
zip(s.st_ctime);
+#else
+ zip();
+#endif
return 0;
}