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authorUlrich Drepper <drepper@redhat.com>1996-08-26 10:28:45 +0000
committerUlrich Drepper <drepper@redhat.com>1996-08-26 10:28:45 +0000
commitdcf0671d905200c449f92ead6cf43c184637a0d5 (patch)
tree91dc217311db41e89545d487b991865a6433205e /time/strftime.c
parent4884d0f03c5a3b3d2459655e76fa2d0684d389dc (diff)
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handle password file locking.cvs/libc-960826
Diffstat (limited to 'time/strftime.c')
-rw-r--r--time/strftime.c40
1 files changed, 25 insertions, 15 deletions
diff --git a/time/strftime.c b/time/strftime.c
index 214f82f..129fd14 100644
--- a/time/strftime.c
+++ b/time/strftime.c
@@ -470,27 +470,37 @@ strftime (s, maxsize, format, tp)
case 'z':
{
struct tm tml = *tp;
- time_t t = mktime (&tml);
struct tm tmg;
+ time_t t;
+ time_t offset = 0;
int diff;
- tml = *localtime (&t); /* Canonicalize the local time. */
- tmg = *gmtime (&t);
+ t = __mktime_internal (&tml, __localtime_r, &offset);
- /* Compute the difference. */
- diff = tml.tm_min - tmg.tm_min;
- diff += 60 * (tml.tm_hour - tmg.tm_hour);
-
- if (tml.tm_mon != tmg.tm_mon)
+ /* Canonicalize the local time. */
+ if (t == (time_t) -1 || __localtime_r (&t, &tml) == NULL)
+ /* We didn't managed to get the local time. Assume it
+ GMT as a reasonable default value. */
+ diff = 0;
+ else
{
- /* We assume no timezone differs from UTC by more than
- +- 23 hours. This should be safe. */
- if (tmg.tm_mday == 1)
- tml.tm_mday = 0;
- else /* tml.tm_mday == 1 */
- tmg.tm_mday = 0;
+ __gmtime_r (&t, &tmg);
+
+ /* Compute the difference. */
+ diff = tml.tm_min - tmg.tm_min;
+ diff += 60 * (tml.tm_hour - tmg.tm_hour);
+
+ if (tml.tm_mon != tmg.tm_mon)
+ {
+ /* We assume no timezone differs from UTC by more
+ than +- 23 hours. This should be safe. */
+ if (tmg.tm_mday == 1)
+ tml.tm_mday = 0;
+ else /* tml.tm_mday == 1 */
+ tmg.tm_mday = 0;
+ }
+ diff += 1440 * (tml.tm_mday - tmg.tm_mday);
}
- diff += 1440 * (tml.tm_mday - tmg.tm_mday);
if (diff < 0)
{