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
