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-rw-r--r--time/localtime.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/time/localtime.c b/time/localtime.c
index 5743347641..4c68ab22dc 100644
--- a/time/localtime.c
+++ b/time/localtime.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -16,24 +16,29 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
-#include <stddef.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <errno.h>
#include <time.h>
+/* The C Standard says that localtime and gmtime return the same pointer. */
+struct tm _tmbuf;
/* Return the `struct tm' representation of *TIMER in the local timezone. */
struct tm *
localtime (timer)
const time_t *timer;
{
+ return __localtime_r (timer, &_tmbuf);
+}
+
+struct tm *
+__localtime_r (timer, tp)
+ const time_t *timer;
+ struct tm *tp;
+{
extern int __use_tzfile;
extern int __tz_compute __P ((time_t timer, struct tm *tp));
extern int __tzfile_compute __P ((time_t timer,
long int *leap_correct, int *leap_hit));
- register struct tm *tp;
long int leap_correction;
int leap_extra_secs;
@@ -57,21 +62,22 @@ localtime (timer)
}
else
{
- tp = gmtime (timer);
- if (tp == NULL)
+ struct tm *gmtp = __gmtime_r (timer, tp);
+ if (gmtp == NULL)
return NULL;
- if (! __tz_compute (*timer, tp))
+ if (! __tz_compute (*timer, gmtp))
return NULL;
leap_correction = 0L;
leap_extra_secs = 0;
}
- tp = __offtime (timer, __timezone - leap_correction);
+ __offtime (timer, __timezone - leap_correction, tp);
tp->tm_sec += leap_extra_secs;
tp->tm_isdst = __daylight;
tp->tm_gmtoff = __timezone;
tp->tm_zone = __tzname[__daylight];
return tp;
}
+weak_alias (__localtime_r, localtime_r)