[FFmpeg-devel] [PATCH] define _DARWIN_C_SOURCE for MAP_ANON

[Måns Rullgård]

Ramiro Polla <ramiro.polla at gmail.com> writes:

> swscale-test crashes on macosx/64-bit because MAP_ANON is under
> (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE), which makes swscale use plain
> old malloc() to allocate memory for the mmx2 scaler, which ends up
> crashing (it doesn't crash on 32-bit though).
>
> Attached patch adds the define for darwin.
>
> Index: libswscale/utils.c
> ===================================================================
> --- libswscale/utils.c	(revision 31758)
> +++ libswscale/utils.c	(working copy)
> @@ -19,6 +19,7 @@
>   */
>  
>  #define _SVID_SOURCE //needed for MAP_ANONYMOUS
> +#define _DARWIN_C_SOURCE // needed for MAP_ANON

Reluctantly OK with me.

BTW, the dyncode thing is missing a cache sync operation.

-- 
M?ns Rullg?rd
mans at mansr.com