diff options
Diffstat (limited to 'libc/include/sys/cdefs.h')
| -rw-r--r-- | libc/include/sys/cdefs.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h index a4c1aff..175c28b 100644 --- a/libc/include/sys/cdefs.h +++ b/libc/include/sys/cdefs.h @@ -526,6 +526,14 @@ #define __BIONIC__ 1 #include <android/api-level.h> +/* + * When _FORTIFY_SOURCE is defined, automatic bounds checking is + * added to commonly used libc functions. If a buffer overrun is + * detected, the program is safely aborted. + * + * See + * http://gcc.gnu.org/onlinedocs/gcc/Object-Size-Checking.html for details. + */ #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0 #define __BIONIC_FORTIFY 1 #if _FORTIFY_SOURCE == 2 @@ -533,6 +541,7 @@ #else #define __bos(s) __builtin_object_size((s), 0) #endif +#define __bos0(s) __builtin_object_size((s), 0) #define __BIONIC_FORTIFY_INLINE \ extern inline \ |