#define XCONCATENATE(x, y) x ## y
#define CONCATENATE(x, y) XCONCATENATE(x, y)
-#define UNIQUE(prefix) CONCATENATE(prefix, __LINE__)
-
/* Rounds up */
#define ALIGN4(l) (((l) + 3) & ~3)
((_A) > (_B)) ? (_A) : (_B), \
(void)0))
+/* takes two types and returns the size of the larger one */
+#define MAXSIZE(A, B) (sizeof(union _packed_ { typeof(A) a; typeof(B) b; }))
+
#define MAX3(x,y,z) \
__extension__ ({ \
const typeof(x) _c = MAX(x,y); \
#else
#define assert_cc(expr) \
DISABLE_WARNING_DECLARATION_AFTER_STATEMENT; \
- struct UNIQUE(_assert_struct_) { \
+ struct CONCATENATE(_assert_struct_, __LINE__) { \
char x[(expr) ? 0 : -1]; \
}; \
REENABLE_WARNING