diff options
Diffstat (limited to 'utils.h')
-rw-r--r-- | utils.h | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -38,4 +38,18 @@ void *__calloc_a(size_t len, ...); #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) #endif +#define __BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) + +#ifdef __OPTIMIZE__ +extern int __BUILD_BUG_ON_CONDITION_FAILED; +#define BUILD_BUG_ON(condition) \ + do { \ + __BUILD_BUG_ON(condition); \ + if (condition) \ + __BUILD_BUG_ON_CONDITION_FAILED = 1; \ + } while(0) +#else +#define BUILD_BUG_ON __BUILD_BUG_ON +#endif + #endif |