#define BITS(T) (sizeof(T) * 8) #define SIGN_BIT(T) (1ULL << (BITS(T) - 1)) #define SMASK(T) (SIGN_BIT(T) - 1) #define UMASK(T) (SIGN_BIT(T) | SMASK(T)) int test(void); int test(void) { #define TEST_BIT(X, T) if (__ ## X ## _BIT__ != BITS(T)) return 1 TEST_BIT(CHAR, char); #define TEST_MAX(X, M) if (__ ## X ## _MAX__ != M) return 1 #define TEST_SMAX(X, T) TEST_MAX(X, SMASK(T)) #define TEST_UMAX(X, T) TEST_MAX(X, UMASK(T)) TEST_SMAX(SCHAR, signed char); TEST_SMAX(SHRT, short); TEST_SMAX(INT, int); TEST_SMAX(LONG, long); TEST_SMAX(LONG_LONG, long long); TEST_MAX( INT8, 0x7f); TEST_MAX(UINT8, 0xffU); TEST_MAX( INT16, 0x7fff); TEST_MAX(UINT16, 0xffffU); TEST_MAX( INT32, 0x7fffffff); TEST_MAX(UINT32, 0xffffffffU); TEST_MAX( INT64, 0x7fffffffffffffffLL); TEST_MAX(UINT64, 0xffffffffffffffffULL); TEST_SMAX(INTMAX, __INTMAX_TYPE__); TEST_UMAX(UINTMAX, __UINTMAX_TYPE__); TEST_SMAX(INTPTR, __INTPTR_TYPE__); TEST_UMAX(UINTPTR, __UINTPTR_TYPE__); TEST_SMAX(PTRDIFF, __PTRDIFF_TYPE__); TEST_UMAX(SIZE, __SIZE_TYPE__); #define TEST_SIZEOF(X, T) if (__SIZEOF_ ## X ## __ != sizeof(T)) return 1 TEST_SIZEOF(SHORT, short); TEST_SIZEOF(INT, int); TEST_SIZEOF(LONG, long); TEST_SIZEOF(LONG_LONG, long long); #ifdef __SIZEOF_INT128__ TEST_SIZEOF(INT128, __int128); #endif TEST_SIZEOF(PTRDIFF_T, __PTRDIFF_TYPE__); TEST_SIZEOF(SIZE_T, __SIZE_TYPE__); TEST_SIZEOF(POINTER, void*); TEST_SIZEOF(FLOAT, float); TEST_SIZEOF(DOUBLE, double); TEST_SIZEOF(LONG_DOUBLE, long double); return 0; } /* * check-name: predefined macros: __SIZEOF___, ... * check-command: test-linearize -Wno-decl $file * check-output-ignore * * check-output-contains: ret\\..*\\$0 */