| 1 | /* |
| 2 | * Copyright (c) 2000-2010 Apple Inc. |
| 3 | * All rights reserved. |
| 4 | */ |
| 5 | |
| 6 | #ifndef _STDINT_H_ |
| 7 | #define _STDINT_H_ |
| 8 | |
| 9 | #if __LP64__ |
| 10 | #define __WORDSIZE 64 |
| 11 | #else |
| 12 | #define __WORDSIZE 32 |
| 13 | #endif |
| 14 | |
| 15 | /* from ISO/IEC 988:1999 spec */ |
| 16 | |
| 17 | /* 7.18.1.1 Exact-width integer types */ |
| 18 | #include <sys/_types/_int8_t.h> |
| 19 | #include <sys/_types/_int16_t.h> |
| 20 | #include <sys/_types/_int32_t.h> |
| 21 | #include <sys/_types/_int64_t.h> |
| 22 | |
| 23 | #include <_types/_uint8_t.h> |
| 24 | #include <_types/_uint16_t.h> |
| 25 | #include <_types/_uint32_t.h> |
| 26 | #include <_types/_uint64_t.h> |
| 27 | |
| 28 | /* 7.18.1.2 Minimum-width integer types */ |
| 29 | typedef int8_t int_least8_t; |
| 30 | typedef int16_t int_least16_t; |
| 31 | typedef int32_t int_least32_t; |
| 32 | typedef int64_t int_least64_t; |
| 33 | typedef uint8_t uint_least8_t; |
| 34 | typedef uint16_t uint_least16_t; |
| 35 | typedef uint32_t uint_least32_t; |
| 36 | typedef uint64_t uint_least64_t; |
| 37 | |
| 38 | |
| 39 | /* 7.18.1.3 Fastest-width integer types */ |
| 40 | typedef int8_t int_fast8_t; |
| 41 | typedef int16_t int_fast16_t; |
| 42 | typedef int32_t int_fast32_t; |
| 43 | typedef int64_t int_fast64_t; |
| 44 | typedef uint8_t uint_fast8_t; |
| 45 | typedef uint16_t uint_fast16_t; |
| 46 | typedef uint32_t uint_fast32_t; |
| 47 | typedef uint64_t uint_fast64_t; |
| 48 | |
| 49 | |
| 50 | /* 7.18.1.4 Integer types capable of holding object pointers */ |
| 51 | |
| 52 | #include <sys/_types.h> |
| 53 | #include <sys/_types/_intptr_t.h> |
| 54 | #include <sys/_types/_uintptr_t.h> |
| 55 | |
| 56 | |
| 57 | /* 7.18.1.5 Greatest-width integer types */ |
| 58 | #include <_types/_intmax_t.h> |
| 59 | #include <_types/_uintmax_t.h> |
| 60 | |
| 61 | /* 7.18.4 Macros for integer constants */ |
| 62 | #define INT8_C(v) (v) |
| 63 | #define INT16_C(v) (v) |
| 64 | #define INT32_C(v) (v) |
| 65 | #define INT64_C(v) (v ## LL) |
| 66 | |
| 67 | #define UINT8_C(v) (v) |
| 68 | #define UINT16_C(v) (v) |
| 69 | #define UINT32_C(v) (v ## U) |
| 70 | #define UINT64_C(v) (v ## ULL) |
| 71 | |
| 72 | #ifdef __LP64__ |
| 73 | #define INTMAX_C(v) (v ## L) |
| 74 | #define UINTMAX_C(v) (v ## UL) |
| 75 | #else |
| 76 | #define INTMAX_C(v) (v ## LL) |
| 77 | #define UINTMAX_C(v) (v ## ULL) |
| 78 | #endif |
| 79 | |
| 80 | /* 7.18.2 Limits of specified-width integer types: |
| 81 | * These #defines specify the minimum and maximum limits |
| 82 | * of each of the types declared above. |
| 83 | * |
| 84 | * They must have "the same type as would an expression that is an |
| 85 | * object of the corresponding type converted according to the integer |
| 86 | * promotion". |
| 87 | */ |
| 88 | |
| 89 | |
| 90 | /* 7.18.2.1 Limits of exact-width integer types */ |
| 91 | #define INT8_MAX 127 |
| 92 | #define INT16_MAX 32767 |
| 93 | #define INT32_MAX 2147483647 |
| 94 | #define INT64_MAX 9223372036854775807LL |
| 95 | |
| 96 | #define INT8_MIN -128 |
| 97 | #define INT16_MIN -32768 |
| 98 | /* |
| 99 | Note: the literal "most negative int" cannot be written in C -- |
| 100 | the rules in the standard (section 6.4.4.1 in C99) will give it |
| 101 | an unsigned type, so INT32_MIN (and the most negative member of |
| 102 | any larger signed type) must be written via a constant expression. |
| 103 | */ |
| 104 | #define INT32_MIN (-INT32_MAX-1) |
| 105 | #define INT64_MIN (-INT64_MAX-1) |
| 106 | |
| 107 | #define UINT8_MAX 255 |
| 108 | #define UINT16_MAX 65535 |
| 109 | #define UINT32_MAX 4294967295U |
| 110 | #define UINT64_MAX 18446744073709551615ULL |
| 111 | |
| 112 | /* 7.18.2.2 Limits of minimum-width integer types */ |
| 113 | #define INT_LEAST8_MIN INT8_MIN |
| 114 | #define INT_LEAST16_MIN INT16_MIN |
| 115 | #define INT_LEAST32_MIN INT32_MIN |
| 116 | #define INT_LEAST64_MIN INT64_MIN |
| 117 | |
| 118 | #define INT_LEAST8_MAX INT8_MAX |
| 119 | #define INT_LEAST16_MAX INT16_MAX |
| 120 | #define INT_LEAST32_MAX INT32_MAX |
| 121 | #define INT_LEAST64_MAX INT64_MAX |
| 122 | |
| 123 | #define UINT_LEAST8_MAX UINT8_MAX |
| 124 | #define UINT_LEAST16_MAX UINT16_MAX |
| 125 | #define UINT_LEAST32_MAX UINT32_MAX |
| 126 | #define UINT_LEAST64_MAX UINT64_MAX |
| 127 | |
| 128 | /* 7.18.2.3 Limits of fastest minimum-width integer types */ |
| 129 | #define INT_FAST8_MIN INT8_MIN |
| 130 | #define INT_FAST16_MIN INT16_MIN |
| 131 | #define INT_FAST32_MIN INT32_MIN |
| 132 | #define INT_FAST64_MIN INT64_MIN |
| 133 | |
| 134 | #define INT_FAST8_MAX INT8_MAX |
| 135 | #define INT_FAST16_MAX INT16_MAX |
| 136 | #define INT_FAST32_MAX INT32_MAX |
| 137 | #define INT_FAST64_MAX INT64_MAX |
| 138 | |
| 139 | #define UINT_FAST8_MAX UINT8_MAX |
| 140 | #define UINT_FAST16_MAX UINT16_MAX |
| 141 | #define UINT_FAST32_MAX UINT32_MAX |
| 142 | #define UINT_FAST64_MAX UINT64_MAX |
| 143 | |
| 144 | /* 7.18.2.4 Limits of integer types capable of holding object pointers */ |
| 145 | |
| 146 | #if __WORDSIZE == 64 |
| 147 | #define INTPTR_MAX 9223372036854775807L |
| 148 | #else |
| 149 | #define INTPTR_MAX 2147483647L |
| 150 | #endif |
| 151 | #define INTPTR_MIN (-INTPTR_MAX-1) |
| 152 | |
| 153 | #if __WORDSIZE == 64 |
| 154 | #define UINTPTR_MAX 18446744073709551615UL |
| 155 | #else |
| 156 | #define UINTPTR_MAX 4294967295UL |
| 157 | #endif |
| 158 | |
| 159 | /* 7.18.2.5 Limits of greatest-width integer types */ |
| 160 | #define INTMAX_MAX INTMAX_C(9223372036854775807) |
| 161 | #define UINTMAX_MAX UINTMAX_C(18446744073709551615) |
| 162 | #define INTMAX_MIN (-INTMAX_MAX-1) |
| 163 | |
| 164 | /* 7.18.3 "Other" */ |
| 165 | #if __WORDSIZE == 64 |
| 166 | #define PTRDIFF_MIN	 INTMAX_MIN |
| 167 | #define PTRDIFF_MAX	 INTMAX_MAX |
| 168 | #else |
| 169 | #define PTRDIFF_MIN INT32_MIN |
| 170 | #define PTRDIFF_MAX INT32_MAX |
| 171 | #endif |
| 172 | |
| 173 | #define SIZE_MAX UINTPTR_MAX |
| 174 | |
| 175 | #if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1 |
| 176 | #define RSIZE_MAX (SIZE_MAX >> 1) |
| 177 | #endif |
| 178 | |
| 179 | #ifndef WCHAR_MAX |
| 180 | # ifdef __WCHAR_MAX__ |
| 181 | # define WCHAR_MAX __WCHAR_MAX__ |
| 182 | # else |
| 183 | # define WCHAR_MAX 0x7fffffff |
| 184 | # endif |
| 185 | #endif |
| 186 | |
| 187 | /* WCHAR_MIN should be 0 if wchar_t is an unsigned type and |
| 188 | (-WCHAR_MAX-1) if wchar_t is a signed type. Unfortunately, |
| 189 | it turns out that -fshort-wchar changes the signedness of |
| 190 | the type. */ |
| 191 | #ifndef WCHAR_MIN |
| 192 | # if WCHAR_MAX == 0xffff |
| 193 | # define WCHAR_MIN 0 |
| 194 | # else |
| 195 | # define WCHAR_MIN (-WCHAR_MAX-1) |
| 196 | # endif |
| 197 | #endif |
| 198 | |
| 199 | #define WINT_MIN	 INT32_MIN |
| 200 | #define WINT_MAX	 INT32_MAX |
| 201 | |
| 202 | #define SIG_ATOMIC_MIN	 INT32_MIN |
| 203 | #define SIG_ATOMIC_MAX	 INT32_MAX |
| 204 | |
| 205 | #endif /* _STDINT_H_ */ |