1#ifndef _LIMITS_H___ 2#define _LIMITS_H___ 3 4/* Number of bits in a `char'. */ 5#undef CHAR_BIT 6#define CHAR_BIT __CHAR_BIT__ 7 8/* Maximum length of a multibyte character. */ 9#ifndef MB_LEN_MAX 10#define MB_LEN_MAX 1 11#endif 12 13/* Minimum and maximum values a `signed char' can hold. */ 14#undef SCHAR_MIN 15#define SCHAR_MIN (-SCHAR_MAX - 1) 16#undef SCHAR_MAX 17#define SCHAR_MAX __SCHAR_MAX__ 18 19/* Maximum value an `unsigned char' can hold. (Minimum is 0). */ 20#undef UCHAR_MAX 21#if __SCHAR_MAX__ == __INT_MAX__ 22# define UCHAR_MAX (SCHAR_MAX * 2U + 1U) 23#else 24# define UCHAR_MAX (SCHAR_MAX * 2 + 1) 25#endif 26 27/* Minimum and maximum values a `char' can hold. */ 28#ifdef __CHAR_UNSIGNED__ 29# undef CHAR_MIN 30# if __SCHAR_MAX__ == __INT_MAX__ 31# define CHAR_MIN 0U 32# else 33# define CHAR_MIN 0 34# endif 35# undef CHAR_MAX 36# define CHAR_MAX UCHAR_MAX 37#else 38# undef CHAR_MIN 39# define CHAR_MIN SCHAR_MIN 40# undef CHAR_MAX 41# define CHAR_MAX SCHAR_MAX 42#endif 43 44/* Minimum and maximum values a `signed short int' can hold. */ 45#undef SHRT_MIN 46#define SHRT_MIN (-SHRT_MAX - 1) 47#undef SHRT_MAX 48#define SHRT_MAX __SHRT_MAX__ 49 50/* Maximum value an `unsigned short int' can hold. (Minimum is 0). */ 51#undef USHRT_MAX 52#if __SHRT_MAX__ == __INT_MAX__ 53# define USHRT_MAX (SHRT_MAX * 2U + 1U) 54#else 55# define USHRT_MAX (SHRT_MAX * 2 + 1) 56#endif 57 58/* Minimum and maximum values a `signed int' can hold. */ 59#undef INT_MIN 60#define INT_MIN (-INT_MAX - 1) 61#undef INT_MAX 62#define INT_MAX __INT_MAX__ 63 64/* Maximum value an `unsigned int' can hold. (Minimum is 0). */ 65#undef UINT_MAX 66#define UINT_MAX (INT_MAX * 2U + 1U) 67 68/* Minimum and maximum values a `signed long int' can hold. 69 (Same as `int'). */ 70#undef LONG_MIN 71#define LONG_MIN (-LONG_MAX - 1L) 72#undef LONG_MAX 73#define LONG_MAX __LONG_MAX__ 74 75/* Maximum value an `unsigned long int' can hold. (Minimum is 0). */ 76#undef ULONG_MAX 77#define ULONG_MAX (LONG_MAX * 2UL + 1UL) 78 79#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 80/* Minimum and maximum values a `signed long long int' can hold. */ 81# undef LLONG_MIN 82# define LLONG_MIN (-LLONG_MAX - 1LL) 83# undef LLONG_MAX 84# define LLONG_MAX __LONG_LONG_MAX__ 85 86/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ 87# undef ULLONG_MAX 88# define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL) 89#endif 90 91#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__) 92/* Minimum and maximum values a `signed long long int' can hold. */ 93# undef LONG_LONG_MIN 94# define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL) 95# undef LONG_LONG_MAX 96# define LONG_LONG_MAX __LONG_LONG_MAX__ 97 98/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ 99# undef ULONG_LONG_MAX 100# define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL) 101#endif 102 103#endif /* _LIMITS_H___ */ 104