sysdeps/generic/stdint.h

   1 /* Copyright (C) 1997, 1998, 1999, 2000 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 Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    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    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 /*
  20  *      ISO C99: 7.18 Integer types <stdint.h>
  21  */
  22
  23 #ifndef _STDINT_H
  24 #define _STDINT_H       1
  25
  26 #include <features.h>
  27 #define __need_wchar_t
  28 #include <stddef.h>
  29 #include <bits/wchar.h>
  30 #include <bits/wordsize.h>
  31
  32 /* Exact integral types.  */
  33
  34 /* Signed.  */
  35
  36 /* There is some amount of overlap with <sys/types.h> as known by inet code */
  37 #ifndef __int8_t_defined
  38 # define __int8_t_defined
  39 typedef signed char             int8_t;
  40 typedef short int               int16_t;
  41 typedef int                     int32_t;
  42 # if __WORDSIZE == 64
  43 typedef long int                int64_t;
  44 # else
  45 __extension__
  46 typedef long long int           int64_t;
  47 # endif
  48 #endif
  49
  50 /* Unsigned.  */
  51 typedef unsigned char           uint8_t;
  52 typedef unsigned short int      uint16_t;
  53 #ifndef __uint32_t_defined
  54 typedef unsigned int            uint32_t;
  55 # define __uint32_t_defined
  56 #endif
  57 #if __WORDSIZE == 64
  58 typedef unsigned long int       uint64_t;
  59 #else
  60 __extension__
  61 typedef unsigned long long int  uint64_t;
  62 #endif
  63
  64
  65 /* Small types.  */
  66
  67 /* Signed.  */
  68 typedef signed char             int_least8_t;
  69 typedef short int               int_least16_t;
  70 typedef int                     int_least32_t;
  71 #if __WORDSIZE == 64
  72 typedef long int                int_least64_t;
  73 #else
  74 __extension__
  75 typedef long long int           int_least64_t;
  76 #endif
  77
  78 /* Unsigned.  */
  79 typedef unsigned char           uint_least8_t;
  80 typedef unsigned short int      uint_least16_t;
  81 typedef unsigned int            uint_least32_t;
  82 #if __WORDSIZE == 64
  83 typedef unsigned long int       uint_least64_t;
  84 #else
  85 __extension__
  86 typedef unsigned long long int  uint_least64_t;
  87 #endif
  88
  89
  90 /* Fast types.  */
  91
  92 /* Signed.  */
  93 typedef signed char             int_fast8_t;
  94 #if __WORDSIZE == 64
  95 typedef long int                int_fast16_t;
  96 typedef long int                int_fast32_t;
  97 typedef long int                int_fast64_t;
  98 #else
  99 typedef int                     int_fast16_t;
 100 typedef int                     int_fast32_t;
 101 __extension__
 102 typedef long long int           int_fast64_t;
 103 #endif
 104
 105 /* Unsigned.  */
 106 typedef unsigned char           uint_fast8_t;
 107 #if __WORDSIZE == 64
 108 typedef unsigned long int       uint_fast16_t;
 109 typedef unsigned long int       uint_fast32_t;
 110 typedef unsigned long int       uint_fast64_t;
 111 #else
 112 typedef unsigned int            uint_fast16_t;
 113 typedef unsigned int            uint_fast32_t;
 114 __extension__
 115 typedef unsigned long long int  uint_fast64_t;
 116 #endif
 117
 118
 119 /* Types for `void *' pointers.  */
 120 #if __WORDSIZE == 64
 121 # ifndef __intptr_t_defined
 122 typedef long int                intptr_t;
 123 #  define __intptr_t_defined
 124 # endif
 125 typedef unsigned long int       uintptr_t;
 126 #else
 127 # ifndef __intptr_t_defined
 128 typedef int                     intptr_t;
 129 #  define __intptr_t_defined
 130 # endif
 131 typedef unsigned int            uintptr_t;
 132 #endif
 133
 134
 135 /* Largest integral types.  */
 136 #if __WORDSIZE == 64
 137 typedef long int                intmax_t;
 138 typedef unsigned long int       uintmax_t;
 139 #else
 140 __extension__
 141 typedef long long int           intmax_t;
 142 __extension__
 143 typedef unsigned long long int  uintmax_t;
 144 #endif
 145
 146
 147 /* The ISO C99 standard specifies that in C++ implementations these
 148    macros should only be defined if explicitly requested.  */
 149 #if !defined __cplusplus || defined __STDC_LIMIT_MACROS
 150
 151 # if __WORDSIZE == 64
 152 #  define __INT64_C(c)  c ## L
 153 #  define __UINT64_C(c) c ## UL
 154 # else
 155 #  define __INT64_C(c)  c ## LL
 156 #  define __UINT64_C(c) c ## ULL
 157 # endif
 158
 159 /* Limits of integral types.  */
 160
 161 /* Minimum of signed integral types.  */
 162 # define INT8_MIN               (-128)
 163 # define INT16_MIN              (-32767-1)
 164 # define INT32_MIN              (-2147483647-1)
 165 # define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
 166 /* Maximum of signed integral types.  */
 167 # define INT8_MAX               (127)
 168 # define INT16_MAX              (32767)
 169 # define INT32_MAX              (2147483647)
 170 # define INT64_MAX              (__INT64_C(9223372036854775807))
 171
 172 /* Maximum of unsigned integral types.  */
 173 # define UINT8_MAX              (255)
 174 # define UINT16_MAX             (65535)
 175 # define UINT32_MAX             (4294967295U)
 176 # define UINT64_MAX             (__UINT64_C(18446744073709551615))
 177
 178
 179 /* Minimum of signed integral types having a minimum size.  */
 180 # define INT_LEAST8_MIN         (-128)
 181 # define INT_LEAST16_MIN        (-32767-1)
 182 # define INT_LEAST32_MIN        (-2147483647-1)
 183 # define INT_LEAST64_MIN        (-__INT64_C(9223372036854775807)-1)
 184 /* Maximum of signed integral types having a minimum size.  */
 185 # define INT_LEAST8_MAX         (127)
 186 # define INT_LEAST16_MAX        (32767)
 187 # define INT_LEAST32_MAX        (2147483647)
 188 # define INT_LEAST64_MAX        (__INT64_C(9223372036854775807))
 189
 190 /* Maximum of unsigned integral types having a minimum size.  */
 191 # define UINT_LEAST8_MAX        (255)
 192 # define UINT_LEAST16_MAX       (65535)
 193 # define UINT_LEAST32_MAX       (4294967295U)
 194 # define UINT_LEAST64_MAX       (__UINT64_C(18446744073709551615))
 195
 196
 197 /* Minimum of fast signed integral types having a minimum size.  */
 198 # define INT_FAST8_MIN          (-128)
 199 # if __WORDSIZE == 64
 200 #  define INT_FAST16_MIN        (-9223372036854775807L-1)
 201 #  define INT_FAST32_MIN        (-9223372036854775807L-1)
 202 # else
 203 #  define INT_FAST16_MIN        (-2147483647-1)
 204 #  define INT_FAST32_MIN        (-2147483647-1)
 205 # endif
 206 # define INT_FAST64_MIN         (-__INT64_C(9223372036854775807)-1)
 207 /* Maximum of fast signed integral types having a minimum size.  */
 208 # define INT_FAST8_MAX          (127)
 209 # if __WORDSIZE == 64
 210 #  define INT_FAST16_MAX        (9223372036854775807L)
 211 #  define INT_FAST32_MAX        (9223372036854775807L)
 212 # else
 213 #  define INT_FAST16_MAX        (2147483647)
 214 #  define INT_FAST32_MAX        (2147483647)
 215 # endif
 216 # define INT_FAST64_MAX         (__INT64_C(9223372036854775807))
 217
 218 /* Maximum of fast unsigned integral types having a minimum size.  */
 219 # define UINT_FAST8_MAX         (255)
 220 # if __WORDSIZE == 64
 221 #  define UINT_FAST16_MAX       (18446744073709551615UL)
 222 #  define UINT_FAST32_MAX       (18446744073709551615UL)
 223 # else
 224 #  define UINT_FAST16_MAX       (4294967295U)
 225 #  define UINT_FAST32_MAX       (4294967295U)
 226 # endif
 227 # define UINT_FAST64_MAX        (__UINT64_C(18446744073709551615))
 228
 229
 230 /* Values to test for integral types holding `void *' pointer.  */
 231 # if __WORDSIZE == 64
 232 #  define INTPTR_MIN            (-9223372036854775807L-1)
 233 #  define INTPTR_MAX            (9223372036854775807L)
 234 #  define UINTPTR_MAX           (18446744073709551615UL)
 235 # else
 236 #  define INTPTR_MIN            (-2147483647-1)
 237 #  define INTPTR_MAX            (2147483647)
 238 #  define UINTPTR_MAX           (4294967295U)
 239 # endif
 240
 241
 242 /* Minimum for largest signed integral type.  */
 243 # define INTMAX_MIN             (-__INT64_C(9223372036854775807)-1)
 244 /* Maximum for largest signed integral type.  */
 245 # define INTMAX_MAX             (__INT64_C(9223372036854775807))
 246
 247 /* Maximum for largest unsigned integral type.  */
 248 # define UINTMAX_MAX            (__UINT64_C(18446744073709551615))
 249
 250
 251 /* Limits of other integer types.  */
 252
 253 /* Limits of `ptrdiff_t' type.  */
 254 # if __WORDSIZE == 64
 255 #  define PTRDIFF_MIN           (-9223372036854775807L-1)
 256 #  define PTRDIFF_MAX           (9223372036854775807L)
 257 # else
 258 #  define PTRDIFF_MIN           (-2147483647-1)
 259 #  define PTRDIFF_MAX           (2147483647)
 260 # endif
 261
 262 /* Limits of `sig_atomic_t'.  */
 263 # define SIG_ATOMIC_MIN         (-2147483647-1)
 264 # define SIG_ATOMIC_MAX         (2147483647)
 265
 266 /* Limit of `size_t' type.  */
 267 # if __WORDSIZE == 64
 268 #  define SIZE_MAX              (18446744073709551615UL)
 269 # else
 270 #  define SIZE_MAX              (4294967295U)
 271 # endif
 272
 273 /* Limits of `wchar_t'.  */
 274 # ifndef WCHAR_MIN
 275 /* These constants might also be defined in <wchar.h>.  */
 276 #  define WCHAR_MIN             __WCHAR_MIN
 277 #  define WCHAR_MAX             __WCHAR_MAX
 278 # endif
 279
 280 /* Limits of `wint_t'.  */
 281 # define WINT_MIN               (0u)
 282 # define WINT_MAX               (4294967295u)
 283
 284 #endif  /* C++ && limit macros */
 285
 286
 287 /* The ISO C99 standard specifies that in C++ implementations these
 288    should only be defined if explicitly requested.  */
 289 #if !defined __cplusplus || defined __STDC_CONSTANT_MACROS
 290
 291 /* Signed.  */
 292 # define INT8_C(c)      c
 293 # define INT16_C(c)     c
 294 # define INT32_C(c)     c
 295 # if __WORDSIZE == 64
 296 #  define INT64_C(c)    c ## L
 297 # else
 298 #  define INT64_C(c)    c ## LL
 299 # endif
 300
 301 /* Unsigned.  */
 302 # define UINT8_C(c)     c ## U
 303 # define UINT16_C(c)    c ## U
 304 # define UINT32_C(c)    c ## U
 305 # if __WORDSIZE == 64
 306 #  define UINT64_C(c)   c ## UL
 307 # else
 308 #  define UINT64_C(c)   c ## ULL
 309 # endif
 310
 311 /* Maximal type.  */
 312 # if __WORDSIZE == 64
 313 #  define INTMAX_C(c)   c ## L
 314 #  define UINTMAX_C(c)  c ## UL
 315 # else
 316 #  define INTMAX_C(c)   c ## LL
 317 #  define UINTMAX_C(c)  c ## ULL
 318 # endif
 319
 320 #endif  /* C++ && constant macros */
 321
 322 #endif /* stdint.h */