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f8e27d88 CB |
1 | /* Reentrant time functions like localtime_r. |
2 | ||
5df4cba6 | 3 | Copyright (C) 2003, 2006-2007, 2010-2020 Free Software Foundation, Inc. |
f8e27d88 CB |
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 3, 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 | |
c0c3707f | 16 | with this program; if not, see <https://www.gnu.org/licenses/>. */ |
f8e27d88 CB |
17 | |
18 | /* Written by Paul Eggert. */ | |
19 | ||
20 | #include <config.h> | |
21 | ||
22 | #include <time.h> | |
23 | ||
24 | static struct tm * | |
25 | copy_tm_result (struct tm *dest, struct tm const *src) | |
26 | { | |
27 | if (! src) | |
28 | return 0; | |
29 | *dest = *src; | |
30 | return dest; | |
31 | } | |
32 | ||
33 | ||
34 | struct tm * | |
35 | gmtime_r (time_t const * restrict t, struct tm * restrict tp) | |
36 | { | |
37 | return copy_tm_result (tp, gmtime (t)); | |
38 | } | |
39 | ||
40 | struct tm * | |
41 | localtime_r (time_t const * restrict t, struct tm * restrict tp) | |
42 | { | |
43 | return copy_tm_result (tp, localtime (t)); | |
44 | } |