[Ffmpeg-devel] [RFC] another attempt at memalign realloc

[Steve Lhomme]

Reimar D?ffinger wrote:
> Hello,
> On Wed, Dec 06, 2006 at 09:38:51PM +0100, Michael Niedermayer wrote:
>> On Wed, Dec 06, 2006 at 05:34:12PM +0100, Reimar D?ffinger wrote:
> [...]
>>> -    return realloc(ptr - diff, size + diff) + diff;
>>> +    ptr2 = realloc(ptr - diff, size + 16) + diff;
>>> +    if(!((int)ptr2&15))
>> hmm didnt this cast cause same silly warning with gcc on x86-64 or
>> something, anyway long and int casts are mixed not a real issue though
> 
> The result of reusing code from other tries ;-)
> 
>>> +        return ptr2;
>>> +    ptr = ptr2 - diff;
>> void * arithmetic
> 
> Fixed, but most of the code actually is copy&paste from av_malloc, which
> seems to use void * arithmetic, too...

You can always replace/cast the void* to char*.

Steve