From 4c512fb6427e7fda766ed179df2d3429cdae5117 Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Mon, 17 Feb 2014 23:29:57 +1100 Subject: [PATCH] Compile Attrs: add ATTR_RETURNS_NONNULL --- source/blender/blenlib/BLI_compiler_attrs.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/source/blender/blenlib/BLI_compiler_attrs.h b/source/blender/blenlib/BLI_compiler_attrs.h index fc16e7dbba6..0a93ae2566b 100644 --- a/source/blender/blenlib/BLI_compiler_attrs.h +++ b/source/blender/blenlib/BLI_compiler_attrs.h @@ -50,6 +50,13 @@ # define ATTR_NONNULL(...) #endif +/* never returns NULL */ +# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 409 /* gcc4.9+ only */ +# define ATTR_RETURNS_NONNULL __attribute__((returns_nonnull)) +#else +# define ATTR_RETURNS_NONNULL +#endif + /* hint to mark function as it wouldn't return */ #if defined(__GNUC__) || defined(__clang__) # define ATTR_NORETURN __attribute__((noreturn))