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| author | Campbell Barton <ideasman42@gmail.com> | 2014-02-17 16:29:57 +0400 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2014-02-17 16:32:00 +0400 |
| commit | 4c512fb6427e7fda766ed179df2d3429cdae5117 (patch) | |
| tree | d26a8715d8254bdc0068e780aa690b7c433fa97f /source/blender/blenlib/BLI_compiler_attrs.h | |
| parent | 50b2c78ad8b6f994ceba77f548c39b2e510a98be (diff) | |
Compile Attrs: add ATTR_RETURNS_NONNULL
Diffstat (limited to 'source/blender/blenlib/BLI_compiler_attrs.h')
| -rw-r--r-- | source/blender/blenlib/BLI_compiler_attrs.h | 7 |
1 files changed, 7 insertions, 0 deletions
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)) |