sysdeps/generic/stdint.h

   1 /* Copyright (C) 1997-2017 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/types.h>
  28 #include <bits/wchar.h>
  29 #include <bits/wordsize.h>
  30
  31 /* Exact integral types.  */
  32
  33 /* Signed.  */
  34 #include <bits/stdint-intn.h>
  35
  36 /* Unsigned.  */
  37 #include <bits/stdint-uintn.h>
  38
  39
  40 /* Small types.  */
  41
  42 /* Signed.  */
  43 typedef signed char             int_least8_t;
  44 typedef short int               int_least16_t;
  45 typedef int                     int_least32_t;
  46 #if __WORDSIZE == 64
  47 typedef long int                int_least64_t;
  48 #else
  49 __extension__
  50 typedef long long int           int_least64_t;
  51 #endif
  52
  53 /* Unsigned.  */
  54 typedef unsigned char           uint_least8_t;
  55 typedef unsigned short int      uint_least16_t;
  56 typedef unsigned int            uint_least32_t;
  57 #if __WORDSIZE == 64
  58 typedef unsigned long int       uint_least64_t;
  59 #else
  60 __extension__
  61 typedef unsigned long long int  uint_least64_t;
  62 #endif
  63
  64
  65 /* Fast types.  */
  66
  67 /* Signed.  */
  68 typedef signed char             int_fast8_t;
  69 #if __WORDSIZE == 64
  70 typedef long int                int_fast16_t;
  71 typedef long int                int_fast32_t;
  72 typedef long int                int_fast64_t;
  73 #else
  74 typedef int                     int_fast16_t;
  75 typedef int                     int_fast32_t;
  76 __extension__
  77 typedef long long int           int_fast64_t;
  78 #endif
  79
  80 /* Unsigned.  */
  81 typedef unsigned char           uint_fast8_t;
  82 #if __WORDSIZE == 64
  83 typedef unsigned long int       uint_fast16_t;
  84 typedef unsigned long int       uint_fast32_t;
  85 typedef unsigned long int       uint_fast64_t;
  86 #else
  87 typedef unsigned int            uint_fast16_t;
  88 typedef unsigned int            uint_fast32_t;
  89 __extension__
  90 typedef unsigned long long int  uint_fast64_t;
  91 #endif
  92
  93
  94 /* Types for `void *' pointers.  */
  95 #if __WORDSIZE == 64
  96 # ifndef __intptr_t_defined
  97 typedef long int                intptr_t;
  98 #  define __intptr_t_defined
  99 # endif
 100 typedef unsigned long int       uintptr_t;
 101 #else
 102 # ifndef __intptr_t_defined
 103 typedef int                     intptr_t;
 104 #  define __intptr_t_defined
 105 # endif
 106 typedef unsigned int            uintptr_t;
 107 #endif
 108
 109
 110 /* Largest integral types.  */
 111 typedef __intmax_t              intmax_t;
 112 typedef __uintmax_t             uintmax_t;
 113
 114
 115 # if __WORDSIZE == 64
 116 #  define __INT64_C(c)  c ## L
 117 #  define __UINT64_C(c) c ## UL
 118 # else
 119 #  define __INT64_C(c)  c ## LL
 120 #  define __UINT64_C(c) c ## ULL
 121 # endif
 122
 123 /* Limits of integral types.  */
 124
 125 /* Minimum of signed integral types.  */
 126 # define INT8_MIN               (-128)
 127 # define INT16_MIN              (-32767-1)
 128 # define INT32_MIN              (-2147483647-1)
 129 # define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
 130 /* Maximum of signed integral types.  */
 131 # define INT8_MAX               (127)
 132 # define INT16_MAX              (32767)
 133 # define INT32_MAX              (2147483647)
 134 # define INT64_MAX              (__INT64_C(9223372036854775807))
 135
 136 /* Maximum of unsigned integral types.  */
 137 # define UINT8_MAX              (255)
 138 # define UINT16_MAX             (65535)
 139 # define UINT32_MAX             (4294967295U)
 140 # define UINT64_MAX             (__UINT64_C(18446744073709551615))
 141
 142
 143 /* Minimum of signed integral types having a minimum size.  */
 144 # define INT_LEAST8_MIN         (-128)
 145 # define INT_LEAST16_MIN        (-32767-1)
 146 # define INT_LEAST32_MIN        (-2147483647-1)
 147 # define INT_LEAST64_MIN        (-__INT64_C(9223372036854775807)-1)
 148 /* Maximum of signed integral types having a minimum size.  */
 149 # define INT_LEAST8_MAX         (127)
 150 # define INT_LEAST16_MAX        (32767)
 151 # define INT_LEAST32_MAX        (2147483647)
 152 # define INT_LEAST64_MAX        (__INT64_C(9223372036854775807))
 153
 154 /* Maximum of unsigned integral types having a minimum size.  */
 155 # define UINT_LEAST8_MAX        (255)
 156 # define UINT_LEAST16_MAX       (65535)
 157 # define UINT_LEAST32_MAX       (4294967295U)
 158 # define UINT_LEAST64_MAX       (__UINT64_C(18446744073709551615))
 159
 160
 161 /* Minimum of fast signed integral types having a minimum size.  */
 162 # define INT_FAST8_MIN          (-128)
 163 # if __WORDSIZE == 64
 164 #  define INT_FAST16_MIN        (-9223372036854775807L-1)
 165 #  define INT_FAST32_MIN        (-9223372036854775807L-1)
 166 # else
 167 #  define INT_FAST16_MIN        (-2147483647-1)
 168 #  define INT_FAST32_MIN        (-2147483647-1)
 169 # endif
 170 # define INT_FAST64_MIN         (-__INT64_C(9223372036854775807)-1)
 171 /* Maximum of fast signed integral types having a minimum size.  */
 172 # define INT_FAST8_MAX          (127)
 173 # if __WORDSIZE == 64
 174 #  define INT_FAST16_MAX        (9223372036854775807L)
 175 #  define INT_FAST32_MAX        (9223372036854775807L)
 176 # else
 177 #  define INT_FAST16_MAX        (2147483647)
 178 #  define INT_FAST32_MAX        (2147483647)
 179 # endif
 180 # define INT_FAST64_MAX         (__INT64_C(9223372036854775807))
 181
 182 /* Maximum of fast unsigned integral types having a minimum size.  */
 183 # define UINT_FAST8_MAX         (255)
 184 # if __WORDSIZE == 64
 185 #  define UINT_FAST16_MAX       (18446744073709551615UL)
 186 #  define UINT_FAST32_MAX       (18446744073709551615UL)
 187 # else
 188 #  define UINT_FAST16_MAX       (4294967295U)
 189 #  define UINT_FAST32_MAX       (4294967295U)
 190 # endif
 191 # define UINT_FAST64_MAX        (__UINT64_C(18446744073709551615))
 192
 193
 194 /* Values to test for integral types holding `void *' pointer.  */
 195 # if __WORDSIZE == 64
 196 #  define INTPTR_MIN            (-9223372036854775807L-1)
 197 #  define INTPTR_MAX            (9223372036854775807L)
 198 #  define UINTPTR_MAX           (18446744073709551615UL)
 199 # else
 200 #  define INTPTR_MIN            (-2147483647-1)
 201 #  define INTPTR_MAX            (2147483647)
 202 #  define UINTPTR_MAX           (4294967295U)
 203 # endif
 204
 205
 206 /* Minimum for largest signed integral type.  */
 207 # define INTMAX_MIN             (-__INT64_C(9223372036854775807)-1)
 208 /* Maximum for largest signed integral type.  */
 209 # define INTMAX_MAX             (__INT64_C(9223372036854775807))
 210
 211 /* Maximum for largest unsigned integral type.  */
 212 # define UINTMAX_MAX            (__UINT64_C(18446744073709551615))
 213
 214
 215 /* Limits of other integer types.  */
 216
 217 /* Limits of `ptrdiff_t' type.  */
 218 # if __WORDSIZE == 64
 219 #  define PTRDIFF_MIN           (-9223372036854775807L-1)
 220 #  define PTRDIFF_MAX           (9223372036854775807L)
 221 # else
 222 #  if __WORDSIZE32_PTRDIFF_LONG
 223 #   define PTRDIFF_MIN          (-2147483647L-1)
 224 #   define PTRDIFF_MAX          (2147483647L)
 225 #  else
 226 #   define PTRDIFF_MIN          (-2147483647-1)
 227 #   define PTRDIFF_MAX          (2147483647)
 228 #  endif
 229 # endif
 230
 231 /* Limits of `sig_atomic_t'.  */
 232 # define SIG_ATOMIC_MIN         (-2147483647-1)
 233 # define SIG_ATOMIC_MAX         (2147483647)
 234
 235 /* Limit of `size_t' type.  */
 236 # if __WORDSIZE == 64
 237 #  define SIZE_MAX              (18446744073709551615UL)
 238 # else
 239 #  if __WORDSIZE32_SIZE_ULONG
 240 #   define SIZE_MAX             (4294967295UL)
 241 #  else
 242 #   define SIZE_MAX             (4294967295U)
 243 #  endif
 244 # endif
 245
 246 /* Limits of `wchar_t'.  */
 247 # ifndef WCHAR_MIN
 248 /* These constants might also be defined in <wchar.h>.  */
 249 #  define WCHAR_MIN             __WCHAR_MIN
 250 #  define WCHAR_MAX             __WCHAR_MAX
 251 # endif
 252
 253 /* Limits of `wint_t'.  */
 254 # define WINT_MIN               (0u)
 255 # define WINT_MAX               (4294967295u)
 256
 257 /* Signed.  */
 258 # define INT8_C(c)      c
 259 # define INT16_C(c)     c
 260 # define INT32_C(c)     c
 261 # if __WORDSIZE == 64
 262 #  define INT64_C(c)    c ## L
 263 # else
 264 #  define INT64_C(c)    c ## LL
 265 # endif
 266
 267 /* Unsigned.  */
 268 # define UINT8_C(c)     c
 269 # define UINT16_C(c)    c
 270 # define UINT32_C(c)    c ## U
 271 # if __WORDSIZE == 64
 272 #  define UINT64_C(c)   c ## UL
 273 # else
 274 #  define UINT64_C(c)   c ## ULL
 275 # endif
 276
 277 /* Maximal type.  */
 278 # if __WORDSIZE == 64
 279 #  define INTMAX_C(c)   c ## L
 280 #  define UINTMAX_C(c)  c ## UL
 281 # else
 282 #  define INTMAX_C(c)   c ## LL
 283 #  define UINTMAX_C(c)  c ## ULL
 284 # endif
 285
 286 #if __GLIBC_USE (IEC_60559_BFP_EXT)
 287
 288 # define INT8_WIDTH 8
 289 # define UINT8_WIDTH 8
 290 # define INT16_WIDTH 16
 291 # define UINT16_WIDTH 16
 292 # define INT32_WIDTH 32
 293 # define UINT32_WIDTH 32
 294 # define INT64_WIDTH 64
 295 # define UINT64_WIDTH 64
 296
 297 # define INT_LEAST8_WIDTH 8
 298 # define UINT_LEAST8_WIDTH 8
 299 # define INT_LEAST16_WIDTH 16
 300 # define UINT_LEAST16_WIDTH 16
 301 # define INT_LEAST32_WIDTH 32
 302 # define UINT_LEAST32_WIDTH 32
 303 # define INT_LEAST64_WIDTH 64
 304 # define UINT_LEAST64_WIDTH 64
 305
 306 # define INT_FAST8_WIDTH 8
 307 # define UINT_FAST8_WIDTH 8
 308 # define INT_FAST16_WIDTH __WORDSIZE
 309 # define UINT_FAST16_WIDTH __WORDSIZE
 310 # define INT_FAST32_WIDTH __WORDSIZE
 311 # define UINT_FAST32_WIDTH __WORDSIZE
 312 # define INT_FAST64_WIDTH 64
 313 # define UINT_FAST64_WIDTH 64
 314
 315 # define INTPTR_WIDTH __WORDSIZE
 316 # define UINTPTR_WIDTH __WORDSIZE
 317
 318 # define INTMAX_WIDTH 64
 319 # define UINTMAX_WIDTH 64
 320
 321 # define PTRDIFF_WIDTH __WORDSIZE
 322 # define SIG_ATOMIC_WIDTH 32
 323 # define SIZE_WIDTH __WORDSIZE
 324 # define WCHAR_WIDTH 32
 325 # define WINT_WIDTH 32
 326
 327 #endif
 328
 329 #endif /* stdint.h */