sysdeps/generic/stdint.h

   1 /* Copyright (C) 1997-2013 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 /* The ISO C99 standard specifies that in C++ implementations these
 145    macros should only be defined if explicitly requested.  */
 146 #if !defined __cplusplus || defined __STDC_LIMIT_MACROS
 147
 148 # if __WORDSIZE == 64
 149 #  define __INT64_C(c)  c ## L
 150 #  define __UINT64_C(c) c ## UL
 151 # else
 152 #  define __INT64_C(c)  c ## LL
 153 #  define __UINT64_C(c) c ## ULL
 154 # endif
 155
 156 /* Limits of integral types.  */
 157
 158 /* Minimum of signed integral types.  */
 159 # define INT8_MIN               (-128)
 160 # define INT16_MIN              (-32767-1)
 161 # define INT32_MIN              (-2147483647-1)
 162 # define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
 163 /* Maximum of signed integral types.  */
 164 # define INT8_MAX               (127)
 165 # define INT16_MAX              (32767)
 166 # define INT32_MAX              (2147483647)
 167 # define INT64_MAX              (__INT64_C(9223372036854775807))
 168
 169 /* Maximum of unsigned integral types.  */
 170 # define UINT8_MAX              (255)
 171 # define UINT16_MAX             (65535)
 172 # define UINT32_MAX             (4294967295U)
 173 # define UINT64_MAX             (__UINT64_C(18446744073709551615))
 174
 175
 176 /* Minimum of signed integral types having a minimum size.  */
 177 # define INT_LEAST8_MIN         (-128)
 178 # define INT_LEAST16_MIN        (-32767-1)
 179 # define INT_LEAST32_MIN        (-2147483647-1)
 180 # define INT_LEAST64_MIN        (-__INT64_C(9223372036854775807)-1)
 181 /* Maximum of signed integral types having a minimum size.  */
 182 # define INT_LEAST8_MAX         (127)
 183 # define INT_LEAST16_MAX        (32767)
 184 # define INT_LEAST32_MAX        (2147483647)
 185 # define INT_LEAST64_MAX        (__INT64_C(9223372036854775807))
 186
 187 /* Maximum of unsigned integral types having a minimum size.  */
 188 # define UINT_LEAST8_MAX        (255)
 189 # define UINT_LEAST16_MAX       (65535)
 190 # define UINT_LEAST32_MAX       (4294967295U)
 191 # define UINT_LEAST64_MAX       (__UINT64_C(18446744073709551615))
 192
 193
 194 /* Minimum of fast signed integral types having a minimum size.  */
 195 # define INT_FAST8_MIN          (-128)
 196 # if __WORDSIZE == 64
 197 #  define INT_FAST16_MIN        (-9223372036854775807L-1)
 198 #  define INT_FAST32_MIN        (-9223372036854775807L-1)
 199 # else
 200 #  define INT_FAST16_MIN        (-2147483647-1)
 201 #  define INT_FAST32_MIN        (-2147483647-1)
 202 # endif
 203 # define INT_FAST64_MIN         (-__INT64_C(9223372036854775807)-1)
 204 /* Maximum of fast signed integral types having a minimum size.  */
 205 # define INT_FAST8_MAX          (127)
 206 # if __WORDSIZE == 64
 207 #  define INT_FAST16_MAX        (9223372036854775807L)
 208 #  define INT_FAST32_MAX        (9223372036854775807L)
 209 # else
 210 #  define INT_FAST16_MAX        (2147483647)
 211 #  define INT_FAST32_MAX        (2147483647)
 212 # endif
 213 # define INT_FAST64_MAX         (__INT64_C(9223372036854775807))
 214
 215 /* Maximum of fast unsigned integral types having a minimum size.  */
 216 # define UINT_FAST8_MAX         (255)
 217 # if __WORDSIZE == 64
 218 #  define UINT_FAST16_MAX       (18446744073709551615UL)
 219 #  define UINT_FAST32_MAX       (18446744073709551615UL)
 220 # else
 221 #  define UINT_FAST16_MAX       (4294967295U)
 222 #  define UINT_FAST32_MAX       (4294967295U)
 223 # endif
 224 # define UINT_FAST64_MAX        (__UINT64_C(18446744073709551615))
 225
 226
 227 /* Values to test for integral types holding `void *' pointer.  */
 228 # if __WORDSIZE == 64
 229 #  define INTPTR_MIN            (-9223372036854775807L-1)
 230 #  define INTPTR_MAX            (9223372036854775807L)
 231 #  define UINTPTR_MAX           (18446744073709551615UL)
 232 # else
 233 #  define INTPTR_MIN            (-2147483647-1)
 234 #  define INTPTR_MAX            (2147483647)
 235 #  define UINTPTR_MAX           (4294967295U)
 236 # endif
 237
 238
 239 /* Minimum for largest signed integral type.  */
 240 # define INTMAX_MIN             (-__INT64_C(9223372036854775807)-1)
 241 /* Maximum for largest signed integral type.  */
 242 # define INTMAX_MAX             (__INT64_C(9223372036854775807))
 243
 244 /* Maximum for largest unsigned integral type.  */
 245 # define UINTMAX_MAX            (__UINT64_C(18446744073709551615))
 246
 247
 248 /* Limits of other integer types.  */
 249
 250 /* Limits of `ptrdiff_t' type.  */
 251 # if __WORDSIZE == 64
 252 #  define PTRDIFF_MIN           (-9223372036854775807L-1)
 253 #  define PTRDIFF_MAX           (9223372036854775807L)
 254 # else
 255 #  define PTRDIFF_MIN           (-2147483647-1)
 256 #  define PTRDIFF_MAX           (2147483647)
 257 # endif
 258
 259 /* Limits of `sig_atomic_t'.  */
 260 # define SIG_ATOMIC_MIN         (-2147483647-1)
 261 # define SIG_ATOMIC_MAX         (2147483647)
 262
 263 /* Limit of `size_t' type.  */
 264 # if __WORDSIZE == 64
 265 #  define SIZE_MAX              (18446744073709551615UL)
 266 # else
 267 #  define SIZE_MAX              (4294967295U)
 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 #endif  /* C++ && limit macros */
 282
 283
 284 /* The ISO C99 standard specifies that in C++ implementations these
 285    should only be defined if explicitly requested.  */
 286 #if !defined __cplusplus || defined __STDC_CONSTANT_MACROS
 287
 288 /* Signed.  */
 289 # define INT8_C(c)      c
 290 # define INT16_C(c)     c
 291 # define INT32_C(c)     c
 292 # if __WORDSIZE == 64
 293 #  define INT64_C(c)    c ## L
 294 # else
 295 #  define INT64_C(c)    c ## LL
 296 # endif
 297
 298 /* Unsigned.  */
 299 # define UINT8_C(c)     c
 300 # define UINT16_C(c)    c
 301 # define UINT32_C(c)    c ## U
 302 # if __WORDSIZE == 64
 303 #  define UINT64_C(c)   c ## UL
 304 # else
 305 #  define UINT64_C(c)   c ## ULL
 306 # endif
 307
 308 /* Maximal type.  */
 309 # if __WORDSIZE == 64
 310 #  define INTMAX_C(c)   c ## L
 311 #  define UINTMAX_C(c)  c ## UL
 312 # else
 313 #  define INTMAX_C(c)   c ## LL
 314 #  define UINTMAX_C(c)  c ## ULL
 315 # endif
 316
 317 #endif  /* C++ && constant macros */
 318
 319 #endif /* stdint.h */