sysdeps/generic/stdint.h

   1 /* Copyright (C) 1997-2016 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 #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
  26 #include <bits/libc-header-start.h>
  27 #include <bits/wchar.h>
  28 #include <bits/wordsize.h>
  29
  30 /* Exact integral types.  */
  31
  32 /* Signed.  */
  33
  34 /* There is some amount of overlap with <sys/types.h> as known by inet code */
  35 #ifndef __int8_t_defined
  36 # define __int8_t_defined
  37 typedef signed char             int8_t;
  38 typedef short int               int16_t;
  39 typedef int                     int32_t;
  40 # if __WORDSIZE == 64
  41 typedef long int                int64_t;
  42 # else
  43 __extension__
  44 typedef long long int           int64_t;
  45 # endif
  46 #endif
  47
  48 /* Unsigned.  */
  49 typedef unsigned char           uint8_t;
  50 typedef unsigned short int      uint16_t;
  51 #ifndef __uint32_t_defined
  52 typedef unsigned int            uint32_t;
  53 # define __uint32_t_defined
  54 #endif
  55 #if __WORDSIZE == 64
  56 typedef unsigned long int       uint64_t;
  57 #else
  58 __extension__
  59 typedef unsigned long long int  uint64_t;
  60 #endif
  61
  62
  63 /* Small types.  */
  64
  65 /* Signed.  */
  66 typedef signed char             int_least8_t;
  67 typedef short int               int_least16_t;
  68 typedef int                     int_least32_t;
  69 #if __WORDSIZE == 64
  70 typedef long int                int_least64_t;
  71 #else
  72 __extension__
  73 typedef long long int           int_least64_t;
  74 #endif
  75
  76 /* Unsigned.  */
  77 typedef unsigned char           uint_least8_t;
  78 typedef unsigned short int      uint_least16_t;
  79 typedef unsigned int            uint_least32_t;
  80 #if __WORDSIZE == 64
  81 typedef unsigned long int       uint_least64_t;
  82 #else
  83 __extension__
  84 typedef unsigned long long int  uint_least64_t;
  85 #endif
  86
  87
  88 /* Fast types.  */
  89
  90 /* Signed.  */
  91 typedef signed char             int_fast8_t;
  92 #if __WORDSIZE == 64
  93 typedef long int                int_fast16_t;
  94 typedef long int                int_fast32_t;
  95 typedef long int                int_fast64_t;
  96 #else
  97 typedef int                     int_fast16_t;
  98 typedef int                     int_fast32_t;
  99 __extension__
 100 typedef long long int           int_fast64_t;
 101 #endif
 102
 103 /* Unsigned.  */
 104 typedef unsigned char           uint_fast8_t;
 105 #if __WORDSIZE == 64
 106 typedef unsigned long int       uint_fast16_t;
 107 typedef unsigned long int       uint_fast32_t;
 108 typedef unsigned long int       uint_fast64_t;
 109 #else
 110 typedef unsigned int            uint_fast16_t;
 111 typedef unsigned int            uint_fast32_t;
 112 __extension__
 113 typedef unsigned long long int  uint_fast64_t;
 114 #endif
 115
 116
 117 /* Types for `void *' pointers.  */
 118 #if __WORDSIZE == 64
 119 # ifndef __intptr_t_defined
 120 typedef long int                intptr_t;
 121 #  define __intptr_t_defined
 122 # endif
 123 typedef unsigned long int       uintptr_t;
 124 #else
 125 # ifndef __intptr_t_defined
 126 typedef int                     intptr_t;
 127 #  define __intptr_t_defined
 128 # endif
 129 typedef unsigned int            uintptr_t;
 130 #endif
 131
 132
 133 /* Largest integral types.  */
 134 #if __WORDSIZE == 64
 135 typedef long int                intmax_t;
 136 typedef unsigned long int       uintmax_t;
 137 #else
 138 __extension__
 139 typedef long long int           intmax_t;
 140 __extension__
 141 typedef unsigned long long int  uintmax_t;
 142 #endif
 143
 144
 145 # if __WORDSIZE == 64
 146 #  define __INT64_C(c)  c ## L
 147 #  define __UINT64_C(c) c ## UL
 148 # else
 149 #  define __INT64_C(c)  c ## LL
 150 #  define __UINT64_C(c) c ## ULL
 151 # endif
 152
 153 /* Limits of integral types.  */
 154
 155 /* Minimum of signed integral types.  */
 156 # define INT8_MIN               (-128)
 157 # define INT16_MIN              (-32767-1)
 158 # define INT32_MIN              (-2147483647-1)
 159 # define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
 160 /* Maximum of signed integral types.  */
 161 # define INT8_MAX               (127)
 162 # define INT16_MAX              (32767)
 163 # define INT32_MAX              (2147483647)
 164 # define INT64_MAX              (__INT64_C(9223372036854775807))
 165
 166 /* Maximum of unsigned integral types.  */
 167 # define UINT8_MAX              (255)
 168 # define UINT16_MAX             (65535)
 169 # define UINT32_MAX             (4294967295U)
 170 # define UINT64_MAX             (__UINT64_C(18446744073709551615))
 171
 172
 173 /* Minimum of signed integral types having a minimum size.  */
 174 # define INT_LEAST8_MIN         (-128)
 175 # define INT_LEAST16_MIN        (-32767-1)
 176 # define INT_LEAST32_MIN        (-2147483647-1)
 177 # define INT_LEAST64_MIN        (-__INT64_C(9223372036854775807)-1)
 178 /* Maximum of signed integral types having a minimum size.  */
 179 # define INT_LEAST8_MAX         (127)
 180 # define INT_LEAST16_MAX        (32767)
 181 # define INT_LEAST32_MAX        (2147483647)
 182 # define INT_LEAST64_MAX        (__INT64_C(9223372036854775807))
 183
 184 /* Maximum of unsigned integral types having a minimum size.  */
 185 # define UINT_LEAST8_MAX        (255)
 186 # define UINT_LEAST16_MAX       (65535)
 187 # define UINT_LEAST32_MAX       (4294967295U)
 188 # define UINT_LEAST64_MAX       (__UINT64_C(18446744073709551615))
 189
 190
 191 /* Minimum of fast signed integral types having a minimum size.  */
 192 # define INT_FAST8_MIN          (-128)
 193 # if __WORDSIZE == 64
 194 #  define INT_FAST16_MIN        (-9223372036854775807L-1)
 195 #  define INT_FAST32_MIN        (-9223372036854775807L-1)
 196 # else
 197 #  define INT_FAST16_MIN        (-2147483647-1)
 198 #  define INT_FAST32_MIN        (-2147483647-1)
 199 # endif
 200 # define INT_FAST64_MIN         (-__INT64_C(9223372036854775807)-1)
 201 /* Maximum of fast signed integral types having a minimum size.  */
 202 # define INT_FAST8_MAX          (127)
 203 # if __WORDSIZE == 64
 204 #  define INT_FAST16_MAX        (9223372036854775807L)
 205 #  define INT_FAST32_MAX        (9223372036854775807L)
 206 # else
 207 #  define INT_FAST16_MAX        (2147483647)
 208 #  define INT_FAST32_MAX        (2147483647)
 209 # endif
 210 # define INT_FAST64_MAX         (__INT64_C(9223372036854775807))
 211
 212 /* Maximum of fast unsigned integral types having a minimum size.  */
 213 # define UINT_FAST8_MAX         (255)
 214 # if __WORDSIZE == 64
 215 #  define UINT_FAST16_MAX       (18446744073709551615UL)
 216 #  define UINT_FAST32_MAX       (18446744073709551615UL)
 217 # else
 218 #  define UINT_FAST16_MAX       (4294967295U)
 219 #  define UINT_FAST32_MAX       (4294967295U)
 220 # endif
 221 # define UINT_FAST64_MAX        (__UINT64_C(18446744073709551615))
 222
 223
 224 /* Values to test for integral types holding `void *' pointer.  */
 225 # if __WORDSIZE == 64
 226 #  define INTPTR_MIN            (-9223372036854775807L-1)
 227 #  define INTPTR_MAX            (9223372036854775807L)
 228 #  define UINTPTR_MAX           (18446744073709551615UL)
 229 # else
 230 #  define INTPTR_MIN            (-2147483647-1)
 231 #  define INTPTR_MAX            (2147483647)
 232 #  define UINTPTR_MAX           (4294967295U)
 233 # endif
 234
 235
 236 /* Minimum for largest signed integral type.  */
 237 # define INTMAX_MIN             (-__INT64_C(9223372036854775807)-1)
 238 /* Maximum for largest signed integral type.  */
 239 # define INTMAX_MAX             (__INT64_C(9223372036854775807))
 240
 241 /* Maximum for largest unsigned integral type.  */
 242 # define UINTMAX_MAX            (__UINT64_C(18446744073709551615))
 243
 244
 245 /* Limits of other integer types.  */
 246
 247 /* Limits of `ptrdiff_t' type.  */
 248 # if __WORDSIZE == 64
 249 #  define PTRDIFF_MIN           (-9223372036854775807L-1)
 250 #  define PTRDIFF_MAX           (9223372036854775807L)
 251 # else
 252 #  define PTRDIFF_MIN           (-2147483647-1)
 253 #  define PTRDIFF_MAX           (2147483647)
 254 # endif
 255
 256 /* Limits of `sig_atomic_t'.  */
 257 # define SIG_ATOMIC_MIN         (-2147483647-1)
 258 # define SIG_ATOMIC_MAX         (2147483647)
 259
 260 /* Limit of `size_t' type.  */
 261 # if __WORDSIZE == 64
 262 #  define SIZE_MAX              (18446744073709551615UL)
 263 # else
 264 #  ifdef __WORDSIZE32_SIZE_ULONG
 265 #   define SIZE_MAX             (4294967295UL)
 266 #  else
 267 #   define SIZE_MAX             (4294967295U)
 268 #  endif
 269 # endif
 270
 271 /* Limits of `wchar_t'.  */
 272 # ifndef WCHAR_MIN
 273 /* These constants might also be defined in <wchar.h>.  */
 274 #  define WCHAR_MIN             __WCHAR_MIN
 275 #  define WCHAR_MAX             __WCHAR_MAX
 276 # endif
 277
 278 /* Limits of `wint_t'.  */
 279 # define WINT_MIN               (0u)
 280 # define WINT_MAX               (4294967295u)
 281
 282 /* Signed.  */
 283 # define INT8_C(c)      c
 284 # define INT16_C(c)     c
 285 # define INT32_C(c)     c
 286 # if __WORDSIZE == 64
 287 #  define INT64_C(c)    c ## L
 288 # else
 289 #  define INT64_C(c)    c ## LL
 290 # endif
 291
 292 /* Unsigned.  */
 293 # define UINT8_C(c)     c
 294 # define UINT16_C(c)    c
 295 # define UINT32_C(c)    c ## U
 296 # if __WORDSIZE == 64
 297 #  define UINT64_C(c)   c ## UL
 298 # else
 299 #  define UINT64_C(c)   c ## ULL
 300 # endif
 301
 302 /* Maximal type.  */
 303 # if __WORDSIZE == 64
 304 #  define INTMAX_C(c)   c ## L
 305 #  define UINTMAX_C(c)  c ## UL
 306 # else
 307 #  define INTMAX_C(c)   c ## LL
 308 #  define UINTMAX_C(c)  c ## ULL
 309 # endif
 310
 311 #if __GLIBC_USE (IEC_60559_BFP_EXT)
 312
 313 # define INT8_WIDTH 8
 314 # define UINT8_WIDTH 8
 315 # define INT16_WIDTH 16
 316 # define UINT16_WIDTH 16
 317 # define INT32_WIDTH 32
 318 # define UINT32_WIDTH 32
 319 # define INT64_WIDTH 64
 320 # define UINT64_WIDTH 64
 321
 322 # define INT_LEAST8_WIDTH 8
 323 # define UINT_LEAST8_WIDTH 8
 324 # define INT_LEAST16_WIDTH 16
 325 # define UINT_LEAST16_WIDTH 16
 326 # define INT_LEAST32_WIDTH 32
 327 # define UINT_LEAST32_WIDTH 32
 328 # define INT_LEAST64_WIDTH 64
 329 # define UINT_LEAST64_WIDTH 64
 330
 331 # define INT_FAST8_WIDTH 8
 332 # define UINT_FAST8_WIDTH 8
 333 # define INT_FAST16_WIDTH __WORDSIZE
 334 # define UINT_FAST16_WIDTH __WORDSIZE
 335 # define INT_FAST32_WIDTH __WORDSIZE
 336 # define UINT_FAST32_WIDTH __WORDSIZE
 337 # define INT_FAST64_WIDTH 64
 338 # define UINT_FAST64_WIDTH 64
 339
 340 # define INTPTR_WIDTH __WORDSIZE
 341 # define UINTPTR_WIDTH __WORDSIZE
 342
 343 # define INTMAX_WIDTH 64
 344 # define UINTMAX_WIDTH 64
 345
 346 # define PTRDIFF_WIDTH __WORDSIZE
 347 # define SIG_ATOMIC_WIDTH 32
 348 # define SIZE_WIDTH __WORDSIZE
 349 # define WCHAR_WIDTH 32
 350 # define WINT_WIDTH 32
 351
 352 #endif
 353
 354 #endif /* stdint.h */