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avutil/mem: Fix invalid use of av_alloc_size

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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);
      | ^~~~~~~~~~~~~

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4361293fcf59edb56879c36edcd25f0a91e0edf8)
This commit is contained in:
Mark Harris 2018-11-24 13:02:02 -08:00 committed by James Almer
parent 88588a24e9
commit 266b784bb3
1 changed files with 1 additions and 1 deletions
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libavutil/mem.h
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@ -182,7 +182,7 @@ av_alloc_size(2, 3) void *av_realloc_array(void *ptr, size_t nmemb, size_t size)
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
*/
av_alloc_size(2, 3) int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
/**
* Free a memory block which has been allocated with av_malloc(z)() or