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1 | /* |
2 | * various simple utilities for libavformat | |
3 | * Copyright (c) 2000, 2001, 2002 Fabrice Bellard | |
4 | * | |
5 | * This file is part of FFmpeg. | |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * FFmpeg is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with FFmpeg; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
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21 | |
22 | #include "libavutil/time_internal.h" | |
2ba45a60 DM |
23 | #include "avformat.h" |
24 | #include "internal.h" | |
25 | ||
26 | #define ISLEAP(y) (((y) % 4 == 0) && (((y) % 100) != 0 || ((y) % 400) == 0)) | |
27 | #define LEAPS_COUNT(y) ((y)/4 - (y)/100 + (y)/400) | |
28 | ||
29 | /* This is our own gmtime_r. It differs from its POSIX counterpart in a | |
30 | couple of places, though. */ | |
31 | struct tm *ff_brktimegm(time_t secs, struct tm *tm) | |
32 | { | |
f6fa7814 | 33 | tm = gmtime_r(&secs, tm); |
2ba45a60 | 34 | |
f6fa7814 DM |
35 | tm->tm_year += 1900; /* unlike gmtime_r we store complete year here */ |
36 | tm->tm_mon += 1; /* unlike gmtime_r tm_mon is from 1 to 12 */ | |
2ba45a60 DM |
37 | |
38 | return tm; | |
39 | } |