[FFmpeg-devel] [PATCH] avutil/mem: Fix invalid use of av_alloc_size

[Michael Niedermayer]

On Sat, Nov 24, 2018 at 01:02:02PM -0800, Mark Harris wrote:
> The alloc_size attribute is valid only on functions that return a
> pointer.  GCC 9 (not yet released) warns about invalid usage:
> 
> ./libavutil/mem.h:342:1: warning: 'alloc_size' attribute ignored on a function returning int' [-Wattributes]
>   342 | av_alloc_size(2, 3) int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
>       | ^~~~~~~~~~~~~

Is the attribute also useless on all other compilers ?

thx

[...]
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