glibc/time/gmtime.c
1996-08-26 10:28:45 +00:00

50 lines
1.4 KiB
C

/* Copyright (C) 1991, 1993, 1995, 1996 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
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
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 <time.h>
/* Defined in localtime.c. */
extern struct tm _tmbuf;
/* Return the `struct tm' representation of *T in UTC. */
struct tm *
gmtime (t)
const time_t *t;
{
return __gmtime_r (t, &_tmbuf);
}
/* Return the `struct tm' representation of *T in UTC,
using *TP to store the result. */
struct tm *
__gmtime_r (t, tp)
const time_t *t;
struct tm *tp;
{
__offtime (t, 0L, tp);
tp->tm_isdst = 0;
tp->tm_gmtoff = 0L;
tp->tm_zone = "GMT";
return tp;
}
weak_alias (__gmtime_r, gmtime_r)