time_internal: Do not attempt to override *time_r() macros
[libav.git] / libavutil / time_internal.h
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef AVUTIL_TIME_INTERNAL_H
20 #define AVUTIL_TIME_INTERNAL_H
21
22 #include <time.h>
23 #include "config.h"
24
25 #if !HAVE_GMTIME_R && !defined(gmtime_r)
26 static inline struct tm *gmtime_r(const time_t* clock, struct tm *result)
27 {
28 struct tm *ptr = gmtime(clock);
29 if (!ptr)
30 return NULL;
31 *result = *ptr;
32 return result;
33 }
34 #endif
35
36 #if !HAVE_LOCALTIME_R && !defined(localtime_r)
37 static inline struct tm *localtime_r(const time_t* clock, struct tm *result)
38 {
39 struct tm *ptr = localtime(clock);
40 if (!ptr)
41 return NULL;
42 *result = *ptr;
43 return result;
44 }
45 #endif
46
47 #endif /* AVUTIL_TIME_INTERNAL_H */