mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
ed6dad3737
While a standalone implementation is nice, we already depend on gmtime and gmtime_r in a number of places. Signed-off-by: Martin Storsjö <martin@martin.st>
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*
|
|
* various simple utilities for libavformat
|
|
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/time_internal.h"
|
|
#include "avformat.h"
|
|
#include "internal.h"
|
|
|
|
/* add one element to a dynamic array */
|
|
void ff_dynarray_add(intptr_t **tab_ptr, int *nb_ptr, intptr_t elem)
|
|
{
|
|
/* see similar avconv.c:grow_array() */
|
|
int nb, nb_alloc;
|
|
intptr_t *tab;
|
|
|
|
nb = *nb_ptr;
|
|
tab = *tab_ptr;
|
|
if ((nb & (nb - 1)) == 0) {
|
|
if (nb == 0)
|
|
nb_alloc = 1;
|
|
else
|
|
nb_alloc = nb * 2;
|
|
tab = av_realloc(tab, nb_alloc * sizeof(intptr_t));
|
|
*tab_ptr = tab;
|
|
}
|
|
tab[nb++] = elem;
|
|
*nb_ptr = nb;
|
|
}
|
|
|
|
#define ISLEAP(y) (((y) % 4 == 0) && (((y) % 100) != 0 || ((y) % 400) == 0))
|
|
#define LEAPS_COUNT(y) ((y)/4 - (y)/100 + (y)/400)
|
|
|
|
/* This is our own gmtime_r. It differs from its POSIX counterpart in a
|
|
couple of places, though. */
|
|
struct tm *ff_brktimegm(time_t secs, struct tm *tm)
|
|
{
|
|
tm = gmtime_r(&secs, tm);
|
|
|
|
tm->tm_year += 1900; /* unlike gmtime_r we store complete year here */
|
|
tm->tm_mon += 1; /* unlike gmtime_r tm_mon is from 1 to 12 */
|
|
|
|
return tm;
|
|
}
|