diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2012-12-30 13:07:07 -0500 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2013-02-18 17:18:57 -0500 |
| commit | 2f62b9ee0c086f72ded8abfe84c6d5ab86c49ab1 (patch) | |
| tree | 67367e2cac7b1f1263ee90edcb7f3388df51bec4 /misc/sys/cdefs.h | |
| parent | 6ff444c4184433586a8879376bd5006eb793499a (diff) | |
sys/cdefs.h: export __attribute_alloc_size__
Since we want to use this in installed headers, move it to the installed
sys/cdefs.h. This requires a slight tweaking of the name (add trailing
underscores).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'misc/sys/cdefs.h')
| -rw-r--r-- | misc/sys/cdefs.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 7794e4e26d..f5f18e914c 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -214,6 +214,15 @@ # define __attribute_malloc__ /* Ignore */ #endif +/* Tell the compiler which arguments to an allocation function + indicate the size of the allocation. */ +#if __GNUC_PREREQ (4, 3) +# define __attribute_alloc_size__(params) \ + __attribute__ ((__alloc_size__ params)) +#else +# define __attribute_alloc_size__(params) /* Ignore. */ +#endif + /* At some point during the gcc 2.96 development the `pure' attribute for functions was introduced. We don't want to use it unconditionally (although this would be possible) since it generates warnings. */ |