1/* Reentrant time functions like localtime_r.
2
3   Copyright (C) 2003, 2006, 2007 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 2, or (at your option)
8   any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License along
16   with this program; if not, write to the Free Software Foundation,
17   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
18
19/* Written by Paul Eggert.  */
20
21#include <config.h>
22
23#include <time.h>
24
25#include <string.h>
26
27static struct tm *
28copy_tm_result (struct tm *dest, struct tm const *src)
29{
30  if (! src)
31    return 0;
32  *dest = *src;
33  return dest;
34}
35
36
37struct tm *
38gmtime_r (time_t const * restrict t, struct tm * restrict tp)
39{
40  return copy_tm_result (tp, gmtime (t));
41}
42
43struct tm *
44localtime_r (time_t const * restrict t, struct tm * restrict tp)
45{
46  return copy_tm_result (tp, localtime (t));
47}
48