void *av_malloc(size_t size)
{
void *ptr = NULL;
-#if CONFIG_MEMALIGN_HACK
- long diff;
-#endif
/* let's disallow possibly 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 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;
void *av_realloc(void *ptr, size_t size)
{
-#if CONFIG_MEMALIGN_HACK
- int diff;
-#endif
-
/* let's disallow possibly ambiguous cases */
if (size > (max_alloc_size - 32))
return NULL;
-#if CONFIG_MEMALIGN_HACK
- //FIXME this isn't aligned correctly, though it probably isn't needed
- if (!ptr)
- return av_malloc(size);
- diff = ((char *)ptr)[-1];
- av_assert0(diff>0 && diff<=ALIGN);
- ptr = realloc((char *)ptr - diff, size + diff);
- if (ptr)
- ptr = (char *)ptr + diff;
- return ptr;
-#elif HAVE_ALIGNED_MALLOC
+#if HAVE_ALIGNED_MALLOC
return _aligned_realloc(ptr, size + !size, ALIGN);
#else
return realloc(ptr, size + !size);
void av_free(void *ptr)
{
-#if CONFIG_MEMALIGN_HACK
- if (ptr) {
- int v= ((char *)ptr)[-1];
- av_assert0(v>0 && v<=ALIGN);
- free((char *)ptr - v);
- }
-#elif HAVE_ALIGNED_MALLOC
+#if HAVE_ALIGNED_MALLOC
_aligned_free(ptr);
#else
free(ptr);