/* Test definitions from stdint.h */ #include #include #include #include #include #include /* All macros from stdint.h must be evaluatable by the preprocessor */ #if INT8_MIN #endif #if INT8_MAX #endif #if INT16_MIN #endif #if INT16_MAX #endif #if INT32_MIN #endif #if INT32_MAX #endif #if UINT8_MAX #endif #if UINT16_MAX #endif #if UINT32_MAX #endif #if INT_LEAST8_MIN #endif #if INT_LEAST8_MAX #endif #if INT_LEAST16_MIN #endif #if INT_LEAST16_MAX #endif #if INT_LEAST32_MIN #endif #if INT_LEAST32_MAX #endif #if UINT_LEAST8_MAX #endif #if UINT_LEAST16_MAX #endif #if UINT_LEAST32_MAX #endif #if INT_FAST8_MIN #endif #if INT_FAST8_MAX #endif #if INT_FAST16_MIN #endif #if INT_FAST16_MAX #endif #if INT_FAST32_MIN #endif #if INT_FAST32_MAX #endif #if UINT_FAST8_MAX #endif #if UINT_FAST16_MAX #endif #if UINT_FAST32_MAX #endif #if INTPTR_MIN #endif #if INTPTR_MAX #endif #if UINTPTR_MAX #endif #if INTMAX_MIN #endif #if INTMAX_MAX #endif #if UINTMAX_MAX #endif #if PTRDIFF_MIN #endif #if PTRDIFF_MAX #endif #if SIG_ATOMIC_MIN #endif #if SIG_ATOMIC_MAX #endif #if SIZE_MAX #endif #define SMIN(type) ((type)(1L << (sizeof(type) * CHAR_BIT - 1))) #define SMAX(type) ((type)(~SMIN(type))) #define UMAX(type) ((type)(~(type)0)) #define SMIN_CHECK(type, val) \ if (SMIN(type) != val) { \ ++failures; \ printf("Mismatch for %s, minimum (%ld) is not %s (%ld)\n", \ #type, (long)SMIN(type), #val, (long)val); \ } #define SMAX_CHECK(type, val) \ if (SMAX(type) != val) { \ ++failures; \ printf("Mismatch for %s, maximum (%ld) is not %s (%ld)\n", \ #type, (long)SMAX(type), #val, (long)val); \ } #define UMAX_CHECK(type, val) \ if (UMAX(type) != val) { \ ++failures; \ printf("Mismatch for %s, maximum (%lu) is not %s (%lu)\n", \ #type, (unsigned long)UMAX(type), #val, \ (unsigned long)val); \ } static unsigned failures = 0; int main() { SMIN_CHECK(int8_t, INT8_MIN); SMAX_CHECK(int8_t, INT8_MAX); SMIN_CHECK(int16_t, INT16_MIN); SMAX_CHECK(int16_t, INT16_MAX); SMIN_CHECK(int32_t, INT32_MIN); SMAX_CHECK(int32_t, INT32_MAX); UMAX_CHECK(uint8_t, UINT8_MAX); UMAX_CHECK(uint16_t, UINT16_MAX); UMAX_CHECK(uint32_t, UINT32_MAX); SMIN_CHECK(int_least8_t, INT_LEAST8_MIN); SMAX_CHECK(int_least8_t, INT_LEAST8_MAX); SMIN_CHECK(int_least16_t, INT_LEAST16_MIN); SMAX_CHECK(int_least16_t, INT_LEAST16_MAX); SMIN_CHECK(int_least32_t, INT_LEAST32_MIN); SMAX_CHECK(int_least32_t, INT_LEAST32_MAX); UMAX_CHECK(uint_least8_t, UINT_LEAST8_MAX); UMAX_CHECK(uint_least16_t, UINT_LEAST16_MAX); UMAX_CHECK(uint_least32_t, UINT_LEAST32_MAX); SMIN_CHECK(int_fast8_t, INT_FAST8_MIN); SMAX_CHECK(int_fast8_t, INT_FAST8_MAX); SMIN_CHECK(int_fast16_t, INT_FAST16_MIN); SMAX_CHECK(int_fast16_t, INT_FAST16_MAX); SMIN_CHECK(int_fast32_t, INT_FAST32_MIN); SMAX_CHECK(int_fast32_t, INT_FAST32_MAX); UMAX_CHECK(uint_fast8_t, UINT_FAST8_MAX); UMAX_CHECK(uint_fast16_t, UINT_FAST16_MAX); UMAX_CHECK(uint_fast32_t, UINT_FAST32_MAX); SMIN_CHECK(intptr_t, INTPTR_MIN); SMAX_CHECK(intptr_t, INTPTR_MAX); UMAX_CHECK(uintptr_t, UINTPTR_MAX); SMIN_CHECK(intmax_t, INTMAX_MIN); SMAX_CHECK(intmax_t, INTMAX_MAX); UMAX_CHECK(uintmax_t, UINTMAX_MAX); SMIN_CHECK(ptrdiff_t, PTRDIFF_MIN); SMAX_CHECK(ptrdiff_t, PTRDIFF_MAX); #if SIG_ATOMIC_MIN < 0 SMIN_CHECK(sig_atomic_t, SIG_ATOMIC_MIN); SMAX_CHECK(sig_atomic_t, SIG_ATOMIC_MAX); #else UMAX_CHECK(sig_atomic_t, SIG_ATOMIC_MAX); #endif UMAX_CHECK(size_t, SIZE_MAX); return failures; }