diff options
| author | Marcus Meissner <meissner@grape.suse.de> | 2008-09-01 10:27:25 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2008-12-12 20:16:27 +0100 |
| commit | f3f1b8bb63a574853e2fbcafe47b121da972ca23 (patch) | |
| tree | 5d2a8a35cfcfd82a50b8bb4e0c6a14c6a7ca420e /avahi-common/gccmacro.h | |
| parent | abc3a9efd1124d74155c6a70798d10710b20786d (diff) | |
attribute alloc_size for newer gccs.
This patch marks up the allocator functions with the
GCC 4.3 (and later) attribute alloc_size.
This will pass the size of allocations of known size
(at compile time) to the overflow checking memcpy/strcpy
and related functions.
Ciao, Marcus
Signed-off-by: Lennart Poettering <lennart@poettering.net>
Diffstat (limited to 'avahi-common/gccmacro.h')
| -rw-r--r-- | avahi-common/gccmacro.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/avahi-common/gccmacro.h b/avahi-common/gccmacro.h index 78a09a7..dd49502 100644 --- a/avahi-common/gccmacro.h +++ b/avahi-common/gccmacro.h @@ -28,6 +28,15 @@ AVAHI_C_DECL_BEGIN +#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3) +#define AVAHI_GCC_ALLOC_SIZE(x) __attribute__ ((__alloc_size__(x))) +#define AVAHI_GCC_ALLOC_SIZE2(x,y) __attribute__ ((__alloc_size__(x,y))) +#else +/** Macro for usage of GCC's alloc_size attribute */ +#define AVAHI_GCC_ALLOC_SIZE(x) +#define AVAHI_GCC_ALLOC_SIZE2(x,y) +#endif + #if defined(__GNUC__) && (__GNUC__ >= 4) #define AVAHI_GCC_SENTINEL __attribute__ ((sentinel)) #else |