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/*
* default memory allocator for libavcodec
* Copyright (c) 2002 Fabrice Bellard.
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "avcodec.h"
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
/* you can redefine av_malloc and av_free in your project to use your
memory allocator. You do not need to suppress this file because the
linker will do it automatically */
/* memory alloc */
void *av_malloc(int size)
{
void *ptr;
#if defined ( ARCH_X86 ) && defined ( HAVE_MEMALIGN ) && 0
ptr = memalign(64,size);
/* Why 64?
Indeed, we should align it:
on 4 for 386
on 16 for 486
on 32 for 586, PPro - k6-III
on 64 for K7 (maybe for P3 too).
Because L1 and L2 caches are aligned on those values.
But I don't want to code such logic here!
*/
#else
ptr = malloc(size);
#endif
if (!ptr)
return NULL;
/* NOTE: this memset should not be present */
memset(ptr, 0, size);
return ptr;
}
/* NOTE: ptr = NULL is explicetly allowed */
void av_free(void *ptr)
{
/* XXX: this test should not be needed on most libcs */
if (ptr)
free(ptr);
}
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