1 /* This administrivia gets added to the beginning of limits.h 2 if the system has its own version of limits.h. */ 3 4 /* APPLE LOCAL begin 4401222 */ 5 #ifndef _LIBC_LIMITS_H_ 6 /* Use "..." so that we find syslimits.h only in this same directory. */ 7 #include "syslimits.h" 8 #endif 9 #ifdef _GCC_NEXT_LIMITS_H 10 #include_next <limits.h> 11 #undef _GCC_NEXT_LIMITS_H 12 #endif 13 /* APPLE LOCAL end 4401222 */ 14 #ifndef _LIMITS_H___ 15 #define _LIMITS_H___ 16 17 /* Number of bits in a `char'. */ 18 #undef CHAR_BIT 19 #define CHAR_BIT __CHAR_BIT__ 20 21 /* Maximum length of a multibyte character. */ 22 #ifndef MB_LEN_MAX 23 #define MB_LEN_MAX 1 24 #endif 25 26 /* Minimum and maximum values a `signed char' can hold. */ 27 #undef SCHAR_MIN 28 #define SCHAR_MIN (-SCHAR_MAX - 1) 29 #undef SCHAR_MAX 30 #define SCHAR_MAX __SCHAR_MAX__ 31 32 /* Maximum value an `unsigned char' can hold. (Minimum is 0). */ 33 #undef UCHAR_MAX 34 #if __SCHAR_MAX__ == __INT_MAX__ 35 # define UCHAR_MAX (SCHAR_MAX * 2U + 1U) 36 #else 37 # define UCHAR_MAX (SCHAR_MAX * 2 + 1) 38 #endif 39 40 /* Minimum and maximum values a `char' can hold. */ 41 #ifdef __CHAR_UNSIGNED__ 42 # undef CHAR_MIN 43 # if __SCHAR_MAX__ == __INT_MAX__ 44 # define CHAR_MIN 0U 45 # else 46 # define CHAR_MIN 0 47 # endif 48 # undef CHAR_MAX 49 # define CHAR_MAX UCHAR_MAX 50 #else 51 # undef CHAR_MIN 52 # define CHAR_MIN SCHAR_MIN 53 # undef CHAR_MAX 54 # define CHAR_MAX SCHAR_MAX 55 #endif 56 57 /* Minimum and maximum values a `signed short int' can hold. */ 58 #undef SHRT_MIN 59 #define SHRT_MIN (-SHRT_MAX - 1) 60 #undef SHRT_MAX 61 #define SHRT_MAX __SHRT_MAX__ 62 63 /* Maximum value an `unsigned short int' can hold. (Minimum is 0). */ 64 #undef USHRT_MAX 65 #if __SHRT_MAX__ == __INT_MAX__ 66 # define USHRT_MAX (SHRT_MAX * 2U + 1U) 67 #else 68 # define USHRT_MAX (SHRT_MAX * 2 + 1) 69 #endif 70 71 /* Minimum and maximum values a `signed int' can hold. */ 72 #undef INT_MIN 73 #define INT_MIN (-INT_MAX - 1) 74 #undef INT_MAX 75 #define INT_MAX __INT_MAX__ 76 77 /* Maximum value an `unsigned int' can hold. (Minimum is 0). */ 78 #undef UINT_MAX 79 #define UINT_MAX (INT_MAX * 2U + 1U) 80 81 /* Minimum and maximum values a `signed long int' can hold. 82 (Same as `int'). */ 83 #undef LONG_MIN 84 #define LONG_MIN (-LONG_MAX - 1L) 85 #undef LONG_MAX 86 #define LONG_MAX __LONG_MAX__ 87 88 /* Maximum value an `unsigned long int' can hold. (Minimum is 0). */ 89 #undef ULONG_MAX 90 #define ULONG_MAX (LONG_MAX * 2UL + 1UL) 91 92 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 93 /* Minimum and maximum values a `signed long long int' can hold. */ 94 # undef LLONG_MIN 95 # define LLONG_MIN (-LLONG_MAX - 1LL) 96 # undef LLONG_MAX 97 # define LLONG_MAX __LONG_LONG_MAX__ 98 99 /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ 100 # undef ULLONG_MAX 101 # define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL) 102 #endif 103 104 #if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__) 105 /* Minimum and maximum values a `signed long long int' can hold. */ 106 # undef LONG_LONG_MIN 107 # define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL) 108 # undef LONG_LONG_MAX 109 # define LONG_LONG_MAX __LONG_LONG_MAX__ 110 111 /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ 112 # undef ULONG_LONG_MAX 113 # define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL) 114 #endif 115 116 #endif /* _LIMITS_H___ */ 117 /* APPLE LOCAL begin 4401222 */ 118 /* APPLE LOCAL end 4401222 */ 119
