diff options
Diffstat (limited to 'src/mesa/main/compiler.h')
| -rw-r--r-- | src/mesa/main/compiler.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h index 921e3022288..25d9810538a 100644 --- a/src/mesa/main/compiler.h +++ b/src/mesa/main/compiler.h @@ -310,6 +310,18 @@ static INLINE GLuint CPU_TO_LE32(GLuint x) #endif #endif + +/** + * Static (compile-time) assertion. + * Basically, use COND to dimension an array. If COND is false/zero the + * array size will be -1 and we'll get a compilation error. + */ +#define STATIC_ASSERT(COND) \ + do { \ + typedef int static_assertion_failed[(!!(COND))*2-1]; \ + } while (0) + + #if (__GNUC__ >= 3) #define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a))) #else |