void *av_malloc(size_t size)

{

    void *ptr = NULL;

#if CONFIG_MEMALIGN_HACK

    long diff;

#endif



    /* let's disallow possible ambiguous cases */

    if (size > (max_alloc_size - 32))

        return NULL;



#if CONFIG_MEMALIGN_HACK

    ptr = malloc(size + ALIGN);

    if (!ptr)

        return ptr;

    diff              = ((~(long)ptr)&(ALIGN - 1)) + 1;

    ptr               = (char *)ptr + diff;

    ((char *)ptr)[-1] = diff;

#elif HAVE_POSIX_MEMALIGN

    if (size) //OS X on SDK 10.6 has a broken posix_memalign implementation

    if (posix_memalign(&ptr, ALIGN, size))

        ptr = NULL;

#elif HAVE_ALIGNED_MALLOC

    ptr = _aligned_malloc(size, ALIGN);

#elif HAVE_MEMALIGN

#ifndef __DJGPP__

    ptr = memalign(ALIGN, size);

#else

    ptr = memalign(size, ALIGN);

#endif

    /* 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!

     */

    /* Why 32?

     * For AVX ASM. SSE / NEON needs only 16.

     * Why not larger? Because I did not see a difference in benchmarks ...

     */

    /* benchmarks with P3

     * memalign(64) + 1          3071, 3051, 3032

     * memalign(64) + 2          3051, 3032, 3041

     * memalign(64) + 4          2911, 2896, 2915

     * memalign(64) + 8          2545, 2554, 2550

     * memalign(64) + 16         2543, 2572, 2563

     * memalign(64) + 32         2546, 2545, 2571

     * memalign(64) + 64         2570, 2533, 2558

     *

     * BTW, malloc seems to do 8-byte alignment by default here.

     */

#else

    ptr = malloc(size);

#endif

    if(!ptr && !size) {

        size = 1;

        ptr= av_malloc(1);

    }

#if CONFIG_MEMORY_POISONING

    if (ptr)

        memset(ptr, 0x2a, size);

#endif

    return ptr;

}

void *av_malloc(size_t size)

{

    void *ptr = NULL;

#if CONFIG_MEMALIGN_HACK

    long diff;

#endif



    

    if (size > (max_alloc_size - 32))

        return NULL;



#if CONFIG_MEMALIGN_HACK

    ptr = malloc(size + ALIGN);

    if (!ptr)

        return ptr;

    diff              = ((~(long)ptr)&(ALIGN - 1)) + 1;

    ptr               = (char *)ptr + diff;

    ((char *)ptr)[-1] = diff;

#elif HAVE_POSIX_MEMALIGN

    if (size) 

    if (posix_memalign(&ptr, ALIGN, size))

        ptr = NULL;

#elif HAVE_ALIGNED_MALLOC

    ptr = _aligned_malloc(size, ALIGN);

#elif HAVE_MEMALIGN

#ifndef __DJGPP__

    ptr = memalign(ALIGN, size);

#else

    ptr = memalign(size, ALIGN);

#endif

    

















    







    





















#else

    ptr = malloc(size);

#endif

    if(!ptr && !size) {

        size = 1;

        ptr= av_malloc(1);

    }

#if CONFIG_MEMORY_POISONING

    if (ptr)

        memset(ptr, 0x2a, size);

#endif

    return ptr;

}

void *FUNC_0(size_t VAR_0)

{

    void *VAR_1 = NULL;

#if CONFIG_MEMALIGN_HACK

    long diff;

#endif



    

    if (VAR_0 > (max_alloc_size - 32))

        return NULL;



#if CONFIG_MEMALIGN_HACK

    VAR_1 = malloc(VAR_0 + ALIGN);

    if (!VAR_1)

        return VAR_1;

    diff              = ((~(long)VAR_1)&(ALIGN - 1)) + 1;

    VAR_1               = (char *)VAR_1 + diff;

    ((char *)VAR_1)[-1] = diff;

#elif HAVE_POSIX_MEMALIGN

    if (VAR_0) 

    if (posix_memalign(&VAR_1, ALIGN, VAR_0))

        VAR_1 = NULL;

#elif HAVE_ALIGNED_MALLOC

    VAR_1 = _aligned_malloc(VAR_0, ALIGN);

#elif HAVE_MEMALIGN

#ifndef __DJGPP__

    VAR_1 = memalign(ALIGN, VAR_0);

#else

    VAR_1 = memalign(VAR_0, ALIGN);

#endif

    

















    







    





















#else

    VAR_1 = malloc(VAR_0);

#endif

    if(!VAR_1 && !VAR_0) {

        VAR_0 = 1;

        VAR_1= FUNC_0(1);

    }

#if CONFIG_MEMORY_POISONING

    if (VAR_1)

        memset(VAR_1, 0x2a, VAR_0);

#endif

    return VAR_1;

}

void *FUNC_0(size_t VAR_0)
{ void *VAR_1 = NULL; #if CONFIG_MEMALIGN_HACK
long diff; #endif
if (VAR_0 > (max_alloc_size - 32))
return NULL; #if CONFIG_MEMALIGN_HACK
VAR_1 = malloc(VAR_0 + ALIGN); if (!VAR_1)
return VAR_1; diff              = ((~(long)VAR_1)&(ALIGN - 1)) + 1; VAR_1               = (char *)VAR_1 + diff; ((char *)VAR_1)[-1] = diff; #elif HAVE_POSIX_MEMALIGN
if (VAR_0)
if (posix_memalign(&VAR_1, ALIGN, VAR_0))
VAR_1 = NULL; #elif HAVE_ALIGNED_MALLOC
VAR_1 = _aligned_malloc(VAR_0, ALIGN); #elif HAVE_MEMALIGN
#ifndef __DJGPP__
VAR_1 = memalign(ALIGN, VAR_0); #else
VAR_1 = memalign(VAR_0, ALIGN); #endif
#else
VAR_1 = malloc(VAR_0); #endif
if(!VAR_1 && !VAR_0) { VAR_0 = 1; VAR_1= FUNC_0(1); } #if CONFIG_MEMORY_POISONING
if (VAR_1)
memset(VAR_1, 0x2a, VAR_0); #endif
return VAR_1; }