1 /* 2 * Copyright (c) 2000, 2001, 2003, 2004, 2008 Apple Computer, Inc. 3 * All rights reserved. 4 */ 5 6 #ifndef _STDINT_H_ 7 #define _STDINT_H_ 8 9 #if defined(__LP64__) && __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 #ifndef _INT8_T 19 #define _INT8_T 20 typedef signed char int8_t; 21 #endif /*_INT8_T */ 22 23 #ifndef _INT16_T 24 #define _INT16_T 25 typedef short int16_t; 26 #endif /* _INT16_T */ 27 28 #ifndef _INT32_T 29 #define _INT32_T 30 typedef int int32_t; 31 #endif /* _INT32_T */ 32 33 #ifndef _INT64_T 34 #define _INT64_T 35 typedef long long int64_t; 36 #endif /* _INT64_T */ 37 38 #ifndef _UINT8_T 39 #define _UINT8_T 40 typedef unsigned char uint8_t; 41 #endif /*_UINT8_T */ 42 43 #ifndef _UINT16_T 44 #define _UINT16_T 45 typedef unsigned short uint16_t; 46 #endif /* _UINT16_T */ 47 48 #ifndef _UINT32_T 49 #define _UINT32_T 50 typedef unsigned int uint32_t; 51 #endif /* _UINT32_T */ 52 53 #ifndef _UINT64_T 54 #define _UINT64_T 55 typedef unsigned long long uint64_t; 56 #endif /* _UINT64_T */ 57 58 /* 7.18.1.2 Minimum-width integer types */ 59 typedef int8_t int_least8_t; 60 typedef int16_t int_least16_t; 61 typedef int32_t int_least32_t; 62 typedef int64_t int_least64_t; 63 typedef uint8_t uint_least8_t; 64 typedef uint16_t uint_least16_t; 65 typedef uint32_t uint_least32_t; 66 typedef uint64_t uint_least64_t; 67 68 69 /* 7.18.1.3 Fastest-width integer types */ 70 typedef int8_t int_fast8_t; 71 typedef int16_t int_fast16_t; 72 typedef int32_t int_fast32_t; 73 typedef int64_t int_fast64_t; 74 typedef uint8_t uint_fast8_t; 75 typedef uint16_t uint_fast16_t; 76 typedef uint32_t uint_fast32_t; 77 typedef uint64_t uint_fast64_t; 78 79 80 /* 7.18.1.4 Integer types capable of holding object pointers */ 81 82 #ifndef _INTPTR_T 83 #define _INTPTR_T 84 typedef long intptr_t; 85 #endif /* _INTPTR_T */ 86 87 #ifndef _UINTPTR_T 88 #define _UINTPTR_T 89 typedef unsigned long uintptr_t; 90 #endif /* _UINTPTR_T */ 91 92 93 /* 7.18.1.5 Greatest-width integer types */ 94 #ifndef _INTMAX_T 95 #define _INTMAX_T 96 #ifdef __INTMAX_TYPE__ 97 typedef __INTMAX_TYPE__ intmax_t; 98 #else /* __INTMAX_TYPE__ */ 99 typedef long long intmax_t; 100 #endif /* __INTMAX_TYPE__ */ 101 #endif /* _INTMAX_T */ 102 103 #ifndef _UINTMAX_T 104 #define _UINTMAX_T 105 #ifdef __UINTMAX_TYPE__ 106 typedef __UINTMAX_TYPE__ uintmax_t; 107 #else /* __UINTMAX_TYPE__ */ 108 typedef unsigned long long uintmax_t; 109 #endif /* __UINTMAX_TYPE__ */ 110 #endif /* _UINTMAX_T */ 111 112 /* 7.18.2 Limits of specified-width integer types: 113 * These #defines specify the minimum and maximum limits 114 * of each of the types declared above. 115 */ 116 117 118 /* 7.18.2.1 Limits of exact-width integer types */ 119 #define INT8_MAX 127 120 #define INT16_MAX 32767 121 #define INT32_MAX 2147483647 122 #define INT64_MAX 9223372036854775807LL 123 124 #define INT8_MIN -128 125 #define INT16_MIN -32768 126 /* 127 Note: the literal "most negative int" cannot be written in C -- 128 the rules in the standard (section 6.4.4.1 in C99) will give it 129 an unsigned type, so INT32_MIN (and the most negative member of 130 any larger signed type) must be written via a constant expression. 131 */ 132 #define INT32_MIN (-INT32_MAX-1) 133 #define INT64_MIN (-INT64_MAX-1) 134 135 #define UINT8_MAX 255 136 #define UINT16_MAX 65535 137 #define UINT32_MAX 4294967295U 138 #define UINT64_MAX 18446744073709551615ULL 139 140 /* 7.18.2.2 Limits of minimum-width integer types */ 141 #define INT_LEAST8_MIN INT8_MIN 142 #define INT_LEAST16_MIN INT16_MIN 143 #define INT_LEAST32_MIN INT32_MIN 144 #define INT_LEAST64_MIN INT64_MIN 145 146 #define INT_LEAST8_MAX INT8_MAX 147 #define INT_LEAST16_MAX INT16_MAX 148 #define INT_LEAST32_MAX INT32_MAX 149 #define INT_LEAST64_MAX INT64_MAX 150 151 #define UINT_LEAST8_MAX UINT8_MAX 152 #define UINT_LEAST16_MAX UINT16_MAX 153 #define UINT_LEAST32_MAX UINT32_MAX 154 #define UINT_LEAST64_MAX UINT64_MAX 155 156 /* 7.18.2.3 Limits of fastest minimum-width integer types */ 157 #define INT_FAST8_MIN INT8_MIN 158 #define INT_FAST16_MIN INT16_MIN 159 #define INT_FAST32_MIN INT32_MIN 160 #define INT_FAST64_MIN INT64_MIN 161 162 #define INT_FAST8_MAX INT8_MAX 163 #define INT_FAST16_MAX INT16_MAX 164 #define INT_FAST32_MAX INT32_MAX 165 #define INT_FAST64_MAX INT64_MAX 166 167 #define UINT_FAST8_MAX UINT8_MAX 168 #define UINT_FAST16_MAX UINT16_MAX 169 #define UINT_FAST32_MAX UINT32_MAX 170 #define UINT_FAST64_MAX UINT64_MAX 171 172 /* 7.18.2.4 Limits of integer types capable of holding object pointers */ 173 174 #if __WORDSIZE == 64 175 #define INTPTR_MIN INT64_MIN 176 #define INTPTR_MAX INT64_MAX 177 #else 178 #define INTPTR_MIN INT32_MIN 179 #define INTPTR_MAX INT32_MAX 180 #endif 181 182 #if __WORDSIZE == 64 183 #define UINTPTR_MAX UINT64_MAX 184 #else 185 #define UINTPTR_MAX UINT32_MAX 186 #endif 187 188 /* 7.18.2.5 Limits of greatest-width integer types */ 189 #define INTMAX_MIN INT64_MIN 190 #define INTMAX_MAX INT64_MAX 191 192 #define UINTMAX_MAX UINT64_MAX 193 194 /* 7.18.3 "Other" */ 195 #if __WORDSIZE == 64 196 #define PTRDIFF_MIN INT64_MIN 197 #define PTRDIFF_MAX INT64_MAX 198 #else 199 #define PTRDIFF_MIN INT32_MIN 200 #define PTRDIFF_MAX INT32_MAX 201 #endif 202 203 /* We have no sig_atomic_t yet, so no SIG_ATOMIC_{MIN,MAX}. 204 Should end up being {-127,127} or {0,255} ... or bigger. 205 My bet would be on one of {U}INT32_{MIN,MAX}. */ 206 207 #if __WORDSIZE == 64 208 #define SIZE_MAX UINT64_MAX 209 #else 210 #define SIZE_MAX UINT32_MAX 211 #endif 212 213 #ifndef WCHAR_MAX 214 # ifdef __WCHAR_MAX__ 215 # define WCHAR_MAX __WCHAR_MAX__ 216 # else 217 # define WCHAR_MAX 0x7fffffff 218 # endif 219 #endif 220 221 /* WCHAR_MIN should be 0 if wchar_t is an unsigned type and 222 (-WCHAR_MAX-1) if wchar_t is a signed type. Unfortunately, 223 it turns out that -fshort-wchar changes the signedness of 224 the type. */ 225 #ifndef WCHAR_MIN 226 # if WCHAR_MAX == 0xffff 227 # define WCHAR_MIN 0 228 # else 229 # define WCHAR_MIN (-WCHAR_MAX-1) 230 # endif 231 #endif 232 233 #define WINT_MIN INT32_MIN 234 #define WINT_MAX INT32_MAX 235 236 #define SIG_ATOMIC_MIN INT32_MIN 237 #define SIG_ATOMIC_MAX INT32_MAX 238 239 /* 7.18.4 Macros for integer constants */ 240 #define INT8_C(v) (v) 241 #define INT16_C(v) (v) 242 #define INT32_C(v) (v) 243 #define INT64_C(v) (v ## LL) 244 245 #define UINT8_C(v) (v ## U) 246 #define UINT16_C(v) (v ## U) 247 #define UINT32_C(v) (v ## U) 248 #define UINT64_C(v) (v ## ULL) 249 250 #define INTMAX_C(v) (v ## LL) 251 #define UINTMAX_C(v) (v ## ULL) 252 253 #endif /* _STDINT_H_ */ 254
