1 /* Copyright (C) 1997-2015 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <http://www.gnu.org/licenses/>. */ 17 18 /* 19 * ISO C99: 7.18 Integer types <stdint.h> 20 */ 21 22 #ifndef _STDINT_H 23 #define _STDINT_H 1 24 25 #include <features.h> 26 #include <bits/wchar.h> 27 #include <bits/wordsize.h> 28 29 /* Exact integral types. */ 30 31 /* Signed. */ 32 33 /* There is some amount of overlap with <sys/types.h> as known by inet code */ 34 #ifndef __int8_t_defined 35 # define __int8_t_defined 36 typedef signed char int8_t; 37 typedef short int int16_t; 38 typedef int int32_t; 39 # if __WORDSIZE == 64 40 typedef long int int64_t; 41 # else 42 __extension__ 43 typedef long long int int64_t; 44 # endif 45 #endif 46 47 /* Unsigned. */ 48 typedef unsigned char uint8_t; 49 typedef unsigned short int uint16_t; 50 #ifndef __uint32_t_defined 51 typedef unsigned int uint32_t; 52 # define __uint32_t_defined 53 #endif 54 #if __WORDSIZE == 64 55 typedef unsigned long int uint64_t; 56 #else 57 __extension__ 58 typedef unsigned long long int uint64_t; 59 #endif 60 61 62 /* Small types. */ 63 64 /* Signed. */ 65 typedef signed char int_least8_t; 66 typedef short int int_least16_t; 67 typedef int int_least32_t; 68 #if __WORDSIZE == 64 69 typedef long int int_least64_t; 70 #else 71 __extension__ 72 typedef long long int int_least64_t; 73 #endif 74 75 /* Unsigned. */ 76 typedef unsigned char uint_least8_t; 77 typedef unsigned short int uint_least16_t; 78 typedef unsigned int uint_least32_t; 79 #if __WORDSIZE == 64 80 typedef unsigned long int uint_least64_t; 81 #else 82 __extension__ 83 typedef unsigned long long int uint_least64_t; 84 #endif 85 86 87 /* Fast types. */ 88 89 /* Signed. */ 90 typedef signed char int_fast8_t; 91 #if __WORDSIZE == 64 92 typedef long int int_fast16_t; 93 typedef long int int_fast32_t; 94 typedef long int int_fast64_t; 95 #else 96 typedef int int_fast16_t; 97 typedef int int_fast32_t; 98 __extension__ 99 typedef long long int int_fast64_t; 100 #endif 101 102 /* Unsigned. */ 103 typedef unsigned char uint_fast8_t; 104 #if __WORDSIZE == 64 105 typedef unsigned long int uint_fast16_t; 106 typedef unsigned long int uint_fast32_t; 107 typedef unsigned long int uint_fast64_t; 108 #else 109 typedef unsigned int uint_fast16_t; 110 typedef unsigned int uint_fast32_t; 111 __extension__ 112 typedef unsigned long long int uint_fast64_t; 113 #endif 114 115 116 /* Types for `void *' pointers. */ 117 #if __WORDSIZE == 64 118 # ifndef __intptr_t_defined 119 typedef long int intptr_t; 120 # define __intptr_t_defined 121 # endif 122 typedef unsigned long int uintptr_t; 123 #else 124 # ifndef __intptr_t_defined 125 typedef int intptr_t; 126 # define __intptr_t_defined 127 # endif 128 typedef unsigned int uintptr_t; 129 #endif 130 131 132 /* Largest integral types. */ 133 #if __WORDSIZE == 64 134 typedef long int intmax_t; 135 typedef unsigned long int uintmax_t; 136 #else 137 __extension__ 138 typedef long long int intmax_t; 139 __extension__ 140 typedef unsigned long long int uintmax_t; 141 #endif 142 143 144 # if __WORDSIZE == 64 145 # define __INT64_C(c) c ## L 146 # define __UINT64_C(c) c ## UL 147 # else 148 # define __INT64_C(c) c ## LL 149 # define __UINT64_C(c) c ## ULL 150 # endif 151 152 /* Limits of integral types. */ 153 154 /* Minimum of signed integral types. */ 155 # define INT8_MIN (-128) 156 # define INT16_MIN (-32767-1) 157 # define INT32_MIN (-2147483647-1) 158 # define INT64_MIN (-__INT64_C(9223372036854775807)-1) 159 /* Maximum of signed integral types. */ 160 # define INT8_MAX (127) 161 # define INT16_MAX (32767) 162 # define INT32_MAX (2147483647) 163 # define INT64_MAX (__INT64_C(9223372036854775807)) 164 165 /* Maximum of unsigned integral types. */ 166 # define UINT8_MAX (255) 167 # define UINT16_MAX (65535) 168 # define UINT32_MAX (4294967295U) 169 # define UINT64_MAX (__UINT64_C(18446744073709551615)) 170 171 172 /* Minimum of signed integral types having a minimum size. */ 173 # define INT_LEAST8_MIN (-128) 174 # define INT_LEAST16_MIN (-32767-1) 175 # define INT_LEAST32_MIN (-2147483647-1) 176 # define INT_LEAST64_MIN (-__INT64_C(9223372036854775807)-1) 177 /* Maximum of signed integral types having a minimum size. */ 178 # define INT_LEAST8_MAX (127) 179 # define INT_LEAST16_MAX (32767) 180 # define INT_LEAST32_MAX (2147483647) 181 # define INT_LEAST64_MAX (__INT64_C(9223372036854775807)) 182 183 /* Maximum of unsigned integral types having a minimum size. */ 184 # define UINT_LEAST8_MAX (255) 185 # define UINT_LEAST16_MAX (65535) 186 # define UINT_LEAST32_MAX (4294967295U) 187 # define UINT_LEAST64_MAX (__UINT64_C(18446744073709551615)) 188 189 190 /* Minimum of fast signed integral types having a minimum size. */ 191 # define INT_FAST8_MIN (-128) 192 # if __WORDSIZE == 64 193 # define INT_FAST16_MIN (-9223372036854775807L-1) 194 # define INT_FAST32_MIN (-9223372036854775807L-1) 195 # else 196 # define INT_FAST16_MIN (-2147483647-1) 197 # define INT_FAST32_MIN (-2147483647-1) 198 # endif 199 # define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1) 200 /* Maximum of fast signed integral types having a minimum size. */ 201 # define INT_FAST8_MAX (127) 202 # if __WORDSIZE == 64 203 # define INT_FAST16_MAX (9223372036854775807L) 204 # define INT_FAST32_MAX (9223372036854775807L) 205 # else 206 # define INT_FAST16_MAX (2147483647) 207 # define INT_FAST32_MAX (2147483647) 208 # endif 209 # define INT_FAST64_MAX (__INT64_C(9223372036854775807)) 210 211 /* Maximum of fast unsigned integral types having a minimum size. */ 212 # define UINT_FAST8_MAX (255) 213 # if __WORDSIZE == 64 214 # define UINT_FAST16_MAX (18446744073709551615UL) 215 # define UINT_FAST32_MAX (18446744073709551615UL) 216 # else 217 # define UINT_FAST16_MAX (4294967295U) 218 # define UINT_FAST32_MAX (4294967295U) 219 # endif 220 # define UINT_FAST64_MAX (__UINT64_C(18446744073709551615)) 221 222 223 /* Values to test for integral types holding `void *' pointer. */ 224 # if __WORDSIZE == 64 225 # define INTPTR_MIN (-9223372036854775807L-1) 226 # define INTPTR_MAX (9223372036854775807L) 227 # define UINTPTR_MAX (18446744073709551615UL) 228 # else 229 # define INTPTR_MIN (-2147483647-1) 230 # define INTPTR_MAX (2147483647) 231 # define UINTPTR_MAX (4294967295U) 232 # endif 233 234 235 /* Minimum for largest signed integral type. */ 236 # define INTMAX_MIN (-__INT64_C(9223372036854775807)-1) 237 /* Maximum for largest signed integral type. */ 238 # define INTMAX_MAX (__INT64_C(9223372036854775807)) 239 240 /* Maximum for largest unsigned integral type. */ 241 # define UINTMAX_MAX (__UINT64_C(18446744073709551615)) 242 243 244 /* Limits of other integer types. */ 245 246 /* Limits of `ptrdiff_t' type. */ 247 # if __WORDSIZE == 64 248 # define PTRDIFF_MIN (-9223372036854775807L-1) 249 # define PTRDIFF_MAX (9223372036854775807L) 250 # else 251 # define PTRDIFF_MIN (-2147483647-1) 252 # define PTRDIFF_MAX (2147483647) 253 # endif 254 255 /* Limits of `sig_atomic_t'. */ 256 # define SIG_ATOMIC_MIN (-2147483647-1) 257 # define SIG_ATOMIC_MAX (2147483647) 258 259 /* Limit of `size_t' type. */ 260 # if __WORDSIZE == 64 261 # define SIZE_MAX (18446744073709551615UL) 262 # else 263 # ifdef __WORDSIZE32_SIZE_ULONG 264 # define SIZE_MAX (4294967295UL) 265 # else 266 # define SIZE_MAX (4294967295U) 267 # endif 268 # endif 269 270 /* Limits of `wchar_t'. */ 271 # ifndef WCHAR_MIN 272 /* These constants might also be defined in <wchar.h>. */ 273 # define WCHAR_MIN __WCHAR_MIN 274 # define WCHAR_MAX __WCHAR_MAX 275 # endif 276 277 /* Limits of `wint_t'. */ 278 # define WINT_MIN (0u) 279 # define WINT_MAX (4294967295u) 280 281 /* Signed. */ 282 # define INT8_C(c) c 283 # define INT16_C(c) c 284 # define INT32_C(c) c 285 # if __WORDSIZE == 64 286 # define INT64_C(c) c ## L 287 # else 288 # define INT64_C(c) c ## LL 289 # endif 290 291 /* Unsigned. */ 292 # define UINT8_C(c) c 293 # define UINT16_C(c) c 294 # define UINT32_C(c) c ## U 295 # if __WORDSIZE == 64 296 # define UINT64_C(c) c ## UL 297 # else 298 # define UINT64_C(c) c ## ULL 299 # endif 300 301 /* Maximal type. */ 302 # if __WORDSIZE == 64 303 # define INTMAX_C(c) c ## L 304 # define UINTMAX_C(c) c ## UL 305 # else 306 # define INTMAX_C(c) c ## LL 307 # define UINTMAX_C(c) c ## ULL 308 # endif 309 310 #endif /* stdint.h */ 311