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 # if __WORDSIZE == 64
 147 #  define __INT64_C(c)  c ## L
 148 #  define __UINT64_C(c) c ## UL
 149 # else
 150 #  define __INT64_C(c)  c ## LL
 151 #  define __UINT64_C(c) c ## ULL
 152 # endif
 153
 154 /* Limits of integral types.  */
 155
 156 /* Minimum of signed integral types.  */
 157 # define INT8_MIN               (-128)
 158 # define INT16_MIN              (-32767-1)
 159 # define INT32_MIN              (-2147483647-1)
 160 # define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
 161 /* Maximum of signed integral types.  */
 162 # define INT8_MAX               (127)
 163 # define INT16_MAX              (32767)
 164 # define INT32_MAX              (2147483647)
 165 # define INT64_MAX              (__INT64_C(9223372036854775807))
 166
 167 /* Maximum of unsigned integral types.  */
 168 # define UINT8_MAX              (255)
 169 # define UINT16_MAX             (65535)
 170 # define UINT32_MAX             (4294967295U)
 171 # define UINT64_MAX             (__UINT64_C(18446744073709551615))
 172
 173
 174 /* Minimum of signed integral types having a minimum size.  */
 175 # define INT_LEAST8_MIN         (-128)
 176 # define INT_LEAST16_MIN        (-32767-1)
 177 # define INT_LEAST32_MIN        (-2147483647-1)
 178 # define INT_LEAST64_MIN        (-__INT64_C(9223372036854775807)-1)
 179 /* Maximum of signed integral types having a minimum size.  */
 180 # define INT_LEAST8_MAX         (127)
 181 # define INT_LEAST16_MAX        (32767)
 182 # define INT_LEAST32_MAX        (2147483647)
 183 # define INT_LEAST64_MAX        (__INT64_C(9223372036854775807))
 184
 185 /* Maximum of unsigned integral types having a minimum size.  */
 186 # define UINT_LEAST8_MAX        (255)
 187 # define UINT_LEAST16_MAX       (65535)
 188 # define UINT_LEAST32_MAX       (4294967295U)
 189 # define UINT_LEAST64_MAX       (__UINT64_C(18446744073709551615))
 190
 191
 192 /* Minimum of fast signed integral types having a minimum size.  */
 193 # define INT_FAST8_MIN          (-128)
 194 # if __WORDSIZE == 64
 195 #  define INT_FAST16_MIN        (-9223372036854775807L-1)
 196 #  define INT_FAST32_MIN        (-9223372036854775807L-1)
 197 # else
 198 #  define INT_FAST16_MIN        (-2147483647-1)
 199 #  define INT_FAST32_MIN        (-2147483647-1)
 200 # endif
 201 # define INT_FAST64_MIN         (-__INT64_C(9223372036854775807)-1)
 202 /* Maximum of fast signed integral types having a minimum size.  */
 203 # define INT_FAST8_MAX          (127)
 204 # if __WORDSIZE == 64
 205 #  define INT_FAST16_MAX        (9223372036854775807L)
 206 #  define INT_FAST32_MAX        (9223372036854775807L)
 207 # else
 208 #  define INT_FAST16_MAX        (2147483647)
 209 #  define INT_FAST32_MAX        (2147483647)
 210 # endif
 211 # define INT_FAST64_MAX         (__INT64_C(9223372036854775807))
 212
 213 /* Maximum of fast unsigned integral types having a minimum size.  */
 214 # define UINT_FAST8_MAX         (255)
 215 # if __WORDSIZE == 64
 216 #  define UINT_FAST16_MAX       (18446744073709551615UL)
 217 #  define UINT_FAST32_MAX       (18446744073709551615UL)
 218 # else
 219 #  define UINT_FAST16_MAX       (4294967295U)
 220 #  define UINT_FAST32_MAX       (4294967295U)
 221 # endif
 222 # define UINT_FAST64_MAX        (__UINT64_C(18446744073709551615))
 223
 224
 225 /* Values to test for integral types holding `void *' pointer.  */
 226 # if __WORDSIZE == 64
 227 #  define INTPTR_MIN            (-9223372036854775807L-1)
 228 #  define INTPTR_MAX            (9223372036854775807L)
 229 #  define UINTPTR_MAX           (18446744073709551615UL)
 230 # else
 231 #  define INTPTR_MIN            (-2147483647-1)
 232 #  define INTPTR_MAX            (2147483647)
 233 #  define UINTPTR_MAX           (4294967295U)
 234 # endif
 235
 236
 237 /* Minimum for largest signed integral type.  */
 238 # define INTMAX_MIN             (-__INT64_C(9223372036854775807)-1)
 239 /* Maximum for largest signed integral type.  */
 240 # define INTMAX_MAX             (__INT64_C(9223372036854775807))
 241
 242 /* Maximum for largest unsigned integral type.  */
 243 # define UINTMAX_MAX            (__UINT64_C(18446744073709551615))
 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 #  define SIZE_MAX              (4294967295U)
 265 # endif
 266
 267 #ifdef __UCLIBC_HAS_WCHAR__
 268 /* Limits of `wchar_t'.  */
 269 # ifndef WCHAR_MIN
 270 /* These constants might also be defined in <wchar.h>.  */
 271 #  define WCHAR_MIN             __WCHAR_MIN
 272 #  define WCHAR_MAX             __WCHAR_MAX
 273 # endif
 274
 275 /* Limits of `wint_t'.  */
 276 # define WINT_MIN               (0u)
 277 # define WINT_MAX               (4294967295u)
 278 #endif /* __UCLIBC_HAS_WCHAR__ */
 279
 280
 281 /* Signed.  */
 282 # define INT8_C(c)      c
 283 # define INT16_C(c)     c
 284 # define INT32_C(c)     c
 285 # if __WORDSIZE == 64
 286 #  define INT64_C(c)    c ## L
 287 # else
 288 #  define INT64_C(c)    c ## LL
 289 # endif
 290
 291 /* Unsigned.  */
 292 # define UINT8_C(c)     c
 293 # define UINT16_C(c)    c
 294 # define UINT32_C(c)    c ## U
 295 # if __WORDSIZE == 64
 296 #  define UINT64_C(c)   c ## UL
 297 # else
 298 #  define UINT64_C(c)   c ## ULL
 299 # endif
 300
 301 /* Maximal type.  */
 302 # if __WORDSIZE == 64
 303 #  define INTMAX_C(c)   c ## L
 304 #  define UINTMAX_C(c)  c ## UL
 305 # else
 306 #  define INTMAX_C(c)   c ## LL
 307 #  define UINTMAX_C(c)  c ## ULL
 308 # endif
 309
 310 #endif /* stdint.h */