include/stdint.h

   1 /* Copyright (C) 1997,1998,1999,2000,2001,2006 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 #ifdef __UCLIBC_HAS_WCHAR__
  27 #include <bits/wchar.h>
  28 #endif /* __UCLIBC_HAS_WCHAR__ */
  29 #include <bits/wordsize.h>
  30
  31 /* Exact integral types.  */
  32
  33 /* Signed.  */
  34
  35 /* There is some amount of overlap with <sys/types.h> as known by inet code */
  36 #ifndef __int8_t_defined
  37 # define __int8_t_defined
  38 typedef signed char             int8_t;
  39 typedef short int               int16_t;
  40 typedef int                     int32_t;
  41 # if __WORDSIZE == 64
  42 typedef long int                int64_t;
  43 # else
  44 __extension__
  45 typedef long long int           int64_t;
  46 # endif
  47 #endif
  48
  49 /* Unsigned.  */
  50 typedef unsigned char           uint8_t;
  51 typedef unsigned short int      uint16_t;
  52 #ifndef __uint32_t_defined
  53 typedef unsigned int            uint32_t;
  54 # define __uint32_t_defined
  55 #endif
  56 #if __WORDSIZE == 64
  57 typedef unsigned long int       uint64_t;
  58 #else
  59 __extension__
  60 typedef unsigned long long int  uint64_t;
  61 #endif
  62
  63
  64 /* Small types.  */
  65
  66 /* Signed.  */
  67 typedef signed char             int_least8_t;
  68 typedef short int               int_least16_t;
  69 typedef int                     int_least32_t;
  70 #if __WORDSIZE == 64
  71 typedef long int                int_least64_t;
  72 #else
  73 __extension__
  74 typedef long long int           int_least64_t;
  75 #endif
  76
  77 /* Unsigned.  */
  78 typedef unsigned char           uint_least8_t;
  79 typedef unsigned short int      uint_least16_t;
  80 typedef unsigned int            uint_least32_t;
  81 #if __WORDSIZE == 64
  82 typedef unsigned long int       uint_least64_t;
  83 #else
  84 __extension__
  85 typedef unsigned long long int  uint_least64_t;
  86 #endif
  87
  88
  89 /* Fast types.  */
  90
  91 /* Signed.  */
  92 typedef signed char             int_fast8_t;
  93 #if __WORDSIZE == 64
  94 typedef long int                int_fast16_t;
  95 typedef long int                int_fast32_t;
  96 typedef long int                int_fast64_t;
  97 #else
  98 typedef int                     int_fast16_t;
  99 typedef int                     int_fast32_t;
 100 __extension__
 101 typedef long long int           int_fast64_t;
 102 #endif
 103
 104 /* Unsigned.  */
 105 typedef unsigned char           uint_fast8_t;
 106 #if __WORDSIZE == 64
 107 typedef unsigned long int       uint_fast16_t;
 108 typedef unsigned long int       uint_fast32_t;
 109 typedef unsigned long int       uint_fast64_t;
 110 #else
 111 typedef unsigned int            uint_fast16_t;
 112 typedef unsigned int            uint_fast32_t;
 113 __extension__
 114 typedef unsigned long long int  uint_fast64_t;
 115 #endif
 116
 117
 118 /* Types for `void *' pointers.  */
 119 #if __WORDSIZE == 64
 120 # ifndef __intptr_t_defined
 121 typedef long int                intptr_t;
 122 #  define __intptr_t_defined
 123 # endif
 124 typedef unsigned long int       uintptr_t;
 125 #else
 126 # ifndef __intptr_t_defined
 127 typedef int                     intptr_t;
 128 #  define __intptr_t_defined
 129 # endif
 130 typedef unsigned int            uintptr_t;
 131 #endif
 132
 133
 134 /* Largest integral types.  */
 135 #if __WORDSIZE == 64
 136 typedef long int                intmax_t;
 137 typedef unsigned long int       uintmax_t;
 138 #else
 139 __extension__
 140 typedef long long int           intmax_t;
 141 __extension__
 142 typedef unsigned long long int  uintmax_t;
 143 #endif
 144
 145
 146 /* The ISO C99 standard specifies that in C++ implementations these
 147    macros should only be defined if explicitly requested.  */
 148 #if !defined __cplusplus || defined __STDC_LIMIT_MACROS
 149
 150 # if __WORDSIZE == 64
 151 #  define __INT64_C(c)  c ## L
 152 #  define __UINT64_C(c) c ## UL
 153 # else
 154 #  define __INT64_C(c)  c ## LL
 155 #  define __UINT64_C(c) c ## ULL
 156 # endif
 157
 158 /* Limits of integral types.  */
 159
 160 /* Minimum of signed integral types.  */
 161 # define INT8_MIN               (-128)
 162 # define INT16_MIN              (-32767-1)
 163 # define INT32_MIN              (-2147483647-1)
 164 # define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
 165 /* Maximum of signed integral types.  */
 166 # define INT8_MAX               (127)
 167 # define INT16_MAX              (32767)
 168 # define INT32_MAX              (2147483647)
 169 # define INT64_MAX              (__INT64_C(9223372036854775807))
 170
 171 /* Maximum of unsigned integral types.  */
 172 # define UINT8_MAX              (255)
 173 # define UINT16_MAX             (65535)
 174 # define UINT32_MAX             (4294967295U)
 175 # define UINT64_MAX             (__UINT64_C(18446744073709551615))
 176
 177
 178 /* Minimum of signed integral types having a minimum size.  */
 179 # define INT_LEAST8_MIN         (-128)
 180 # define INT_LEAST16_MIN        (-32767-1)
 181 # define INT_LEAST32_MIN        (-2147483647-1)
 182 # define INT_LEAST64_MIN        (-__INT64_C(9223372036854775807)-1)
 183 /* Maximum of signed integral types having a minimum size.  */
 184 # define INT_LEAST8_MAX         (127)
 185 # define INT_LEAST16_MAX        (32767)
 186 # define INT_LEAST32_MAX        (2147483647)
 187 # define INT_LEAST64_MAX        (__INT64_C(9223372036854775807))
 188
 189 /* Maximum of unsigned integral types having a minimum size.  */
 190 # define UINT_LEAST8_MAX        (255)
 191 # define UINT_LEAST16_MAX       (65535)
 192 # define UINT_LEAST32_MAX       (4294967295U)
 193 # define UINT_LEAST64_MAX       (__UINT64_C(18446744073709551615))
 194
 195
 196 /* Minimum of fast signed integral types having a minimum size.  */
 197 # define INT_FAST8_MIN          (-128)
 198 # if __WORDSIZE == 64
 199 #  define INT_FAST16_MIN        (-9223372036854775807L-1)
 200 #  define INT_FAST32_MIN        (-9223372036854775807L-1)
 201 # else
 202 #  define INT_FAST16_MIN        (-2147483647-1)
 203 #  define INT_FAST32_MIN        (-2147483647-1)
 204 # endif
 205 # define INT_FAST64_MIN         (-__INT64_C(9223372036854775807)-1)
 206 /* Maximum of fast signed integral types having a minimum size.  */
 207 # define INT_FAST8_MAX          (127)
 208 # if __WORDSIZE == 64
 209 #  define INT_FAST16_MAX        (9223372036854775807L)
 210 #  define INT_FAST32_MAX        (9223372036854775807L)
 211 # else
 212 #  define INT_FAST16_MAX        (2147483647)
 213 #  define INT_FAST32_MAX        (2147483647)
 214 # endif
 215 # define INT_FAST64_MAX         (__INT64_C(9223372036854775807))
 216
 217 /* Maximum of fast unsigned integral types having a minimum size.  */
 218 # define UINT_FAST8_MAX         (255)
 219 # if __WORDSIZE == 64
 220 #  define UINT_FAST16_MAX       (18446744073709551615UL)
 221 #  define UINT_FAST32_MAX       (18446744073709551615UL)
 222 # else
 223 #  define UINT_FAST16_MAX       (4294967295U)
 224 #  define UINT_FAST32_MAX       (4294967295U)
 225 # endif
 226 # define UINT_FAST64_MAX        (__UINT64_C(18446744073709551615))
 227
 228
 229 /* Values to test for integral types holding `void *' pointer.  */
 230 # if __WORDSIZE == 64
 231 #  define INTPTR_MIN            (-9223372036854775807L-1)
 232 #  define INTPTR_MAX            (9223372036854775807L)
 233 #  define UINTPTR_MAX           (18446744073709551615UL)
 234 # else
 235 #  define INTPTR_MIN            (-2147483647-1)
 236 #  define INTPTR_MAX            (2147483647)
 237 #  define UINTPTR_MAX           (4294967295U)
 238 # endif
 239
 240
 241 /* Minimum for largest signed integral type.  */
 242 # define INTMAX_MIN             (-__INT64_C(9223372036854775807)-1)
 243 /* Maximum for largest signed integral type.  */
 244 # define INTMAX_MAX             (__INT64_C(9223372036854775807))
 245
 246 /* Maximum for largest unsigned integral type.  */
 247 # define UINTMAX_MAX            (__UINT64_C(18446744073709551615))
 248
 249 /* Limits of other integer types.  */
 250
 251 /* Limits of `ptrdiff_t' type.  */
 252 # if __WORDSIZE == 64
 253 #  define PTRDIFF_MIN           (-9223372036854775807L-1)
 254 #  define PTRDIFF_MAX           (9223372036854775807L)
 255 # else
 256 #  define PTRDIFF_MIN           (-2147483647-1)
 257 #  define PTRDIFF_MAX           (2147483647)
 258 # endif
 259
 260 /* Limits of `sig_atomic_t'.  */
 261 # define SIG_ATOMIC_MIN         (-2147483647-1)
 262 # define SIG_ATOMIC_MAX         (2147483647)
 263
 264 /* Limit of `size_t' type.  */
 265 # if __WORDSIZE == 64
 266 #  define SIZE_MAX              (18446744073709551615UL)
 267 # else
 268 #  define SIZE_MAX              (4294967295U)
 269 # endif
 270
 271 #ifdef __UCLIBC_HAS_WCHAR__
 272 /* Limits of `wchar_t'.  */
 273 # ifndef WCHAR_MIN
 274 /* These constants might also be defined in <wchar.h>.  */
 275 #  define WCHAR_MIN             __WCHAR_MIN
 276 #  define WCHAR_MAX             __WCHAR_MAX
 277 # endif
 278
 279 /* Limits of `wint_t'.  */
 280 # define WINT_MIN               (0u)
 281 # define WINT_MAX               (4294967295u)
 282 #endif /* __UCLIBC_HAS_WCHAR__ */
 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
 303 # define UINT16_C(c)    c
 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 */