On 11/25/2018 10:01 PM, Michael Niedermayer wrote: > 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 ?
The attribute is only used when __GNUC__ is defined, so it should for any such compiler (GCC and Clang). https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html > > thx > > [...] > > > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
