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Move ff_dynarray_add to lavu and make it public.

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This commit is contained in:
Anton Khirnov
2011-04-29 17:33:38 +02:00
parent 9ac1bf88c0
commit 35ceaa7376
6 changed files with 36 additions and 26 deletions
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21
libavformat/cutils.c
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@ -21,27 +21,6 @@
#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 ffmpeg.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)