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);
| ^~~~~~~~~~~~~
---
libavutil/mem.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/mem.h b/libavutil/mem.h
index 55ae573ac9..5fb1a02dd9 100644
--- a/libavutil/mem.h
+++ b/libavutil/mem.h
@@ -339,7 +339,7 @@ av_alloc_size(2, 3) void *av_realloc_array(void *ptr,
size_t nmemb, size_t size)
* @warning Unlike av_malloc(), the allocated memory is not guaranteed to be
* correctly aligned.
*/
-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);
/**
* Reallocate the given buffer if it is not large enough, otherwise do nothing.
--
2.19.2
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