newlib/libc/include/stdint.h

   1 /*
   2  * Copyright (c) 2004, 2005 by
   3  * Ralf Corsepius, Ulm/Germany. All rights reserved.
   4  *
   5  * Permission to use, copy, modify, and distribute this software
   6  * is freely granted, provided that this notice is preserved.
   7  */
   8
   9 #ifndef _STDINT_H
  10 #define _STDINT_H
  11
  12 #include <machine/_default_types.h>
  13 #include <sys/_intsup.h>
  14 #include <sys/_stdint.h>
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 #ifdef ___int_least8_t_defined
  21 typedef __int_least8_t int_least8_t;
  22 typedef __uint_least8_t uint_least8_t;
  23 #define __int_least8_t_defined 1
  24 #endif
  25
  26 #ifdef ___int_least16_t_defined
  27 typedef __int_least16_t int_least16_t;
  28 typedef __uint_least16_t uint_least16_t;
  29 #define __int_least16_t_defined 1
  30 #endif
  31
  32 #ifdef ___int_least32_t_defined
  33 typedef __int_least32_t int_least32_t;
  34 typedef __uint_least32_t uint_least32_t;
  35 #define __int_least32_t_defined 1
  36 #endif
  37
  38 #ifdef ___int_least64_t_defined
  39 typedef __int_least64_t int_least64_t;
  40 typedef __uint_least64_t uint_least64_t;
  41 #define __int_least64_t_defined 1
  42 #endif
  43
  44 /*
  45  * Fastest minimum-width integer types
  46  *
  47  * Assume int to be the fastest type for all types with a width
  48  * less than __INT_MAX__ rsp. INT_MAX
  49  */
  50 #ifdef __INT_FAST8_TYPE__
  51   typedef __INT_FAST8_TYPE__ int_fast8_t;
  52   typedef __UINT_FAST8_TYPE__ uint_fast8_t;
  53 #define __int_fast8_t_defined 1
  54 #elif __STDINT_EXP(INT_MAX) >= 0x7f
  55   typedef signed int int_fast8_t;
  56   typedef unsigned int uint_fast8_t;
  57 #define __int_fast8_t_defined 1
  58 #endif
  59
  60 #ifdef __INT_FAST16_TYPE__
  61   typedef __INT_FAST16_TYPE__ int_fast16_t;
  62   typedef __UINT_FAST16_TYPE__ uint_fast16_t;
  63 #define __int_fast16_t_defined 1
  64 #elif __STDINT_EXP(INT_MAX) >= 0x7fff
  65   typedef signed int int_fast16_t;
  66   typedef unsigned int uint_fast16_t;
  67 #define __int_fast16_t_defined 1
  68 #endif
  69
  70 #ifdef __INT_FAST32_TYPE__
  71   typedef __INT_FAST32_TYPE__ int_fast32_t;
  72   typedef __UINT_FAST32_TYPE__ uint_fast32_t;
  73 #define __int_fast32_t_defined 1
  74 #elif __STDINT_EXP(INT_MAX) >= 0x7fffffff
  75   typedef signed int int_fast32_t;
  76   typedef unsigned int uint_fast32_t;
  77 #define __int_fast32_t_defined 1
  78 #endif
  79
  80 #ifdef __INT_FAST64_TYPE__
  81   typedef __INT_FAST64_TYPE__ int_fast64_t;
  82   typedef __UINT_FAST64_TYPE__ uint_fast64_t;
  83 #define __int_fast64_t_defined 1
  84 #elif __STDINT_EXP(INT_MAX) > 0x7fffffff
  85   typedef signed int int_fast64_t;
  86   typedef unsigned int uint_fast64_t;
  87 #define __int_fast64_t_defined 1
  88 #endif
  89
  90 /*
  91  * Fall back to [u]int_least<N>_t for [u]int_fast<N>_t types
  92  * not having been defined, yet.
  93  * Leave undefined, if [u]int_least<N>_t should not be available.
  94  */
  95 #if !__int_fast8_t_defined
  96 #if __int_least8_t_defined
  97   typedef int_least8_t int_fast8_t;
  98   typedef uint_least8_t uint_fast8_t;
  99 #define __int_fast8_t_defined 1
 100 #endif
 101 #endif
 102
 103 #if !__int_fast16_t_defined
 104 #if __int_least16_t_defined
 105   typedef int_least16_t int_fast16_t;
 106   typedef uint_least16_t uint_fast16_t;
 107 #define __int_fast16_t_defined 1
 108 #endif
 109 #endif
 110
 111 #if !__int_fast32_t_defined
 112 #if __int_least32_t_defined
 113   typedef int_least32_t int_fast32_t;
 114   typedef uint_least32_t uint_fast32_t;
 115 #define __int_fast32_t_defined 1
 116 #endif
 117 #endif
 118
 119 #if !__int_fast64_t_defined
 120 #if __int_least64_t_defined
 121   typedef int_least64_t int_fast64_t;
 122   typedef uint_least64_t uint_fast64_t;
 123 #define __int_fast64_t_defined 1
 124 #endif
 125 #endif
 126
 127 #ifdef __INTPTR_TYPE__
 128 #define INTPTR_MIN (-__INTPTR_MAX__ - 1)
 129 #define INTPTR_MAX (__INTPTR_MAX__)
 130 #define UINTPTR_MAX (__UINTPTR_MAX__)
 131 #elif defined(__PTRDIFF_TYPE__)
 132 #define INTPTR_MAX PTRDIFF_MAX
 133 #define INTPTR_MIN PTRDIFF_MIN
 134 #ifdef __UINTPTR_MAX__
 135 #define UINTPTR_MAX (__UINTPTR_MAX__)
 136 #else
 137 #define UINTPTR_MAX (2UL * PTRDIFF_MAX + 1)
 138 #endif
 139 #else
 140 /*
 141  * Fallback to hardcoded values,
 142  * should be valid on cpu's with 32bit int/32bit void*
 143  */
 144 #define INTPTR_MAX (__STDINT_EXP(LONG_MAX))
 145 #define INTPTR_MIN (-__STDINT_EXP(LONG_MAX) - 1)
 146 #define UINTPTR_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
 147 #endif
 148
 149 /* Limits of Specified-Width Integer Types */
 150
 151 #ifdef __INT8_MAX__
 152 #define INT8_MIN (-__INT8_MAX__ - 1)
 153 #define INT8_MAX (__INT8_MAX__)
 154 #define UINT8_MAX (__UINT8_MAX__)
 155 #elif defined(__int8_t_defined)
 156 #define INT8_MIN        (-128)
 157 #define INT8_MAX         (127)
 158 #define UINT8_MAX        (255)
 159 #endif
 160
 161 #ifdef __INT_LEAST8_MAX__
 162 #define INT_LEAST8_MIN (-__INT_LEAST8_MAX__ - 1)
 163 #define INT_LEAST8_MAX (__INT_LEAST8_MAX__)
 164 #define UINT_LEAST8_MAX (__UINT_LEAST8_MAX__)
 165 #elif defined(__int_least8_t_defined)
 166 #define INT_LEAST8_MIN  (-128)
 167 #define INT_LEAST8_MAX   (127)
 168 #define UINT_LEAST8_MAX  (255)
 169 #else
 170 #error required type int_least8_t missing
 171 #endif
 172
 173 #ifdef __INT16_MAX__
 174 #define INT16_MIN (-__INT16_MAX__ - 1)
 175 #define INT16_MAX (__INT16_MAX__)
 176 #define UINT16_MAX (__UINT16_MAX__)
 177 #elif defined(__int16_t_defined)
 178 #define INT16_MIN       (-32768)
 179 #define INT16_MAX        (32767)
 180 #define UINT16_MAX       (65535)
 181 #endif
 182
 183 #ifdef __INT_LEAST16_MAX__
 184 #define INT_LEAST16_MIN (-__INT_LEAST16_MAX__ - 1)
 185 #define INT_LEAST16_MAX (__INT_LEAST16_MAX__)
 186 #define UINT_LEAST16_MAX (__UINT_LEAST16_MAX__)
 187 #elif defined(__int_least16_t_defined)
 188 #define INT_LEAST16_MIN (-32768)
 189 #define INT_LEAST16_MAX  (32767)
 190 #define UINT_LEAST16_MAX (65535)
 191 #else
 192 #error required type int_least16_t missing
 193 #endif
 194
 195 #ifdef __INT32_MAX__
 196 #define INT32_MIN (-__INT32_MAX__ - 1)
 197 #define INT32_MAX (__INT32_MAX__)
 198 #define UINT32_MAX (__UINT32_MAX__)
 199 #elif defined(__int32_t_defined)
 200 #if defined (_INT32_EQ_LONG)
 201 #define INT32_MIN        (-2147483647L-1)
 202 #define INT32_MAX        (2147483647L)
 203 #define UINT32_MAX       (4294967295UL)
 204 #else
 205 #define INT32_MIN        (-2147483647-1)
 206 #define INT32_MAX        (2147483647)
 207 #define UINT32_MAX       (4294967295U)
 208 #endif
 209 #endif
 210
 211 #ifdef __INT_LEAST32_MAX__
 212 #define INT_LEAST32_MIN (-__INT_LEAST32_MAX__ - 1)
 213 #define INT_LEAST32_MAX (__INT_LEAST32_MAX__)
 214 #define UINT_LEAST32_MAX (__UINT_LEAST32_MAX__)
 215 #elif defined(__int_least32_t_defined)
 216 #if defined (_INT32_EQ_LONG)
 217 #define INT_LEAST32_MIN  (-2147483647L-1)
 218 #define INT_LEAST32_MAX  (2147483647L)
 219 #define UINT_LEAST32_MAX (4294967295UL)
 220 #else
 221 #define INT_LEAST32_MIN  (-2147483647-1)
 222 #define INT_LEAST32_MAX  (2147483647)
 223 #define UINT_LEAST32_MAX (4294967295U)
 224 #endif
 225 #else
 226 #error required type int_least32_t missing
 227 #endif
 228
 229 #ifdef __INT64_MAX__
 230 #define INT64_MIN (-__INT64_MAX__ - 1)
 231 #define INT64_MAX (__INT64_MAX__)
 232 #define UINT64_MAX (__UINT64_MAX__)
 233 #elif defined(__int64_t_defined)
 234 #if __have_long64
 235 #define INT64_MIN       (-9223372036854775807L-1L)
 236 #define INT64_MAX        (9223372036854775807L)
 237 #define UINT64_MAX      (18446744073709551615U)
 238 #elif __have_longlong64
 239 #define INT64_MIN       (-9223372036854775807LL-1LL)
 240 #define INT64_MAX        (9223372036854775807LL)
 241 #define UINT64_MAX      (18446744073709551615ULL)
 242 #endif
 243 #endif
 244
 245 #ifdef __INT_LEAST64_MAX__
 246 #define INT_LEAST64_MIN (-__INT_LEAST64_MAX__ - 1)
 247 #define INT_LEAST64_MAX (__INT_LEAST64_MAX__)
 248 #define UINT_LEAST64_MAX (__UINT_LEAST64_MAX__)
 249 #elif defined(__int_least64_t_defined)
 250 #if __have_long64
 251 #define INT_LEAST64_MIN  (-9223372036854775807L-1L)
 252 #define INT_LEAST64_MAX  (9223372036854775807L)
 253 #define UINT_LEAST64_MAX (18446744073709551615U)
 254 #elif __have_longlong64
 255 #define INT_LEAST64_MIN  (-9223372036854775807LL-1LL)
 256 #define INT_LEAST64_MAX  (9223372036854775807LL)
 257 #define UINT_LEAST64_MAX (18446744073709551615ULL)
 258 #endif
 259 #endif
 260
 261 #ifdef __INT_FAST8_MAX__
 262 #define INT_FAST8_MIN (-__INT_FAST8_MAX__ - 1)
 263 #define INT_FAST8_MAX (__INT_FAST8_MAX__)
 264 #define UINT_FAST8_MAX (__UINT_FAST8_MAX__)
 265 #elif defined(__int_fast8_t_defined)
 266 #if __STDINT_EXP(INT_MAX) >= 0x7f
 267 #define INT_FAST8_MIN   (-__STDINT_EXP(INT_MAX)-1)
 268 #define INT_FAST8_MAX   (__STDINT_EXP(INT_MAX))
 269 #define UINT_FAST8_MAX  (__STDINT_EXP(INT_MAX)*2U+1U)
 270 #else
 271 #define INT_FAST8_MIN   INT_LEAST8_MIN
 272 #define INT_FAST8_MAX   INT_LEAST8_MAX
 273 #define UINT_FAST8_MAX  UINT_LEAST8_MAX
 274 #endif
 275 #endif
 276
 277 #ifdef __INT_FAST16_MAX__
 278 #define INT_FAST16_MIN (-__INT_FAST16_MAX__ - 1)
 279 #define INT_FAST16_MAX (__INT_FAST16_MAX__)
 280 #define UINT_FAST16_MAX (__UINT_FAST16_MAX__)
 281 #elif defined(__int_fast16_t_defined)
 282 #if __STDINT_EXP(INT_MAX) >= 0x7fff
 283 #define INT_FAST16_MIN  (-__STDINT_EXP(INT_MAX)-1)
 284 #define INT_FAST16_MAX  (__STDINT_EXP(INT_MAX))
 285 #define UINT_FAST16_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
 286 #else
 287 #define INT_FAST16_MIN  INT_LEAST16_MIN
 288 #define INT_FAST16_MAX  INT_LEAST16_MAX
 289 #define UINT_FAST16_MAX UINT_LEAST16_MAX
 290 #endif
 291 #endif
 292
 293 #ifdef __INT_FAST32_MAX__
 294 #define INT_FAST32_MIN (-__INT_FAST32_MAX__ - 1)
 295 #define INT_FAST32_MAX (__INT_FAST32_MAX__)
 296 #define UINT_FAST32_MAX (__UINT_FAST32_MAX__)
 297 #elif defined(__int_fast32_t_defined)
 298 #if __STDINT_EXP(INT_MAX) >= 0x7fffffff
 299 #define INT_FAST32_MIN  (-__STDINT_EXP(INT_MAX)-1)
 300 #define INT_FAST32_MAX  (__STDINT_EXP(INT_MAX))
 301 #define UINT_FAST32_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
 302 #else
 303 #define INT_FAST32_MIN  INT_LEAST32_MIN
 304 #define INT_FAST32_MAX  INT_LEAST32_MAX
 305 #define UINT_FAST32_MAX UINT_LEAST32_MAX
 306 #endif
 307 #endif
 308
 309 #ifdef __INT_FAST64_MAX__
 310 #define INT_FAST64_MIN (-__INT_FAST64_MAX__ - 1)
 311 #define INT_FAST64_MAX (__INT_FAST64_MAX__)
 312 #define UINT_FAST64_MAX (__UINT_FAST64_MAX__)
 313 #elif defined(__int_fast64_t_defined)
 314 #if __STDINT_EXP(INT_MAX) > 0x7fffffff
 315 #define INT_FAST64_MIN  (-__STDINT_EXP(INT_MAX)-1)
 316 #define INT_FAST64_MAX  (__STDINT_EXP(INT_MAX))
 317 #define UINT_FAST64_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
 318 #else
 319 #define INT_FAST64_MIN  INT_LEAST64_MIN
 320 #define INT_FAST64_MAX  INT_LEAST64_MAX
 321 #define UINT_FAST64_MAX UINT_LEAST64_MAX
 322 #endif
 323 #endif
 324
 325 #ifdef __INTMAX_MAX__
 326 #define INTMAX_MAX (__INTMAX_MAX__)
 327 #define INTMAX_MIN (-INTMAX_MAX - 1)
 328 #elif defined(__INTMAX_TYPE__)
 329 /* All relevant GCC versions prefer long to long long for intmax_t.  */
 330 #define INTMAX_MAX INT64_MAX
 331 #define INTMAX_MIN INT64_MIN
 332 #endif
 333
 334 #ifdef __UINTMAX_MAX__
 335 #define UINTMAX_MAX (__UINTMAX_MAX__)
 336 #elif defined(__UINTMAX_TYPE__)
 337 /* All relevant GCC versions prefer long to long long for intmax_t.  */
 338 #define UINTMAX_MAX UINT64_MAX
 339 #endif
 340
 341 /* This must match size_t in stddef.h, currently long unsigned int */
 342 #ifdef __SIZE_MAX__
 343 #define SIZE_MAX (__SIZE_MAX__)
 344 #else
 345 #define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
 346 #endif
 347
 348 /* This must match sig_atomic_t in <signal.h> (currently int) */
 349 #define SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1)
 350 #define SIG_ATOMIC_MAX (__STDINT_EXP(INT_MAX))
 351
 352 /* This must match ptrdiff_t  in <stddef.h> (currently long int) */
 353 #ifdef __PTRDIFF_MAX__
 354 #define PTRDIFF_MAX (__PTRDIFF_MAX__)
 355 #else
 356 #define PTRDIFF_MAX (__STDINT_EXP(LONG_MAX))
 357 #endif
 358 #define PTRDIFF_MIN (-PTRDIFF_MAX - 1)
 359
 360 /* This must match definition in <wchar.h> */
 361 #ifndef WCHAR_MIN
 362 #ifdef __WCHAR_MIN__
 363 #define WCHAR_MIN (__WCHAR_MIN__)
 364 #elif defined(__WCHAR_UNSIGNED__) || (L'\0' - 1 > 0)
 365 #define WCHAR_MIN (0 + L'\0')
 366 #else
 367 #define WCHAR_MIN (-0x7fffffff - 1 + L'\0')
 368 #endif
 369 #endif
 370
 371 /* This must match definition in <wchar.h> */
 372 #ifndef WCHAR_MAX
 373 #ifdef __WCHAR_MAX__
 374 #define WCHAR_MAX (__WCHAR_MAX__)
 375 #elif defined(__WCHAR_UNSIGNED__) || (L'\0' - 1 > 0)
 376 #define WCHAR_MAX (0xffffffffu + L'\0')
 377 #else
 378 #define WCHAR_MAX (0x7fffffff + L'\0')
 379 #endif
 380 #endif
 381
 382 /* wint_t is unsigned int on almost all GCC targets.  */
 383 #ifdef __WINT_MAX__
 384 #define WINT_MAX (__WINT_MAX__)
 385 #else
 386 #define WINT_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U)
 387 #endif
 388 #ifdef __WINT_MIN__
 389 #define WINT_MIN (__WINT_MIN__)
 390 #else
 391 #define WINT_MIN (0U)
 392 #endif
 393
 394 /** Macros for minimum-width integer constant expressions */
 395 #ifdef __INT8_C
 396 #define INT8_C(x) __INT8_C(x)
 397 #define UINT8_C(x) __UINT8_C(x)
 398 #else
 399 #define INT8_C(x)       x
 400 #if __STDINT_EXP(INT_MAX) > 0x7f
 401 #define UINT8_C(x)      x
 402 #else
 403 #define UINT8_C(x)      x##U
 404 #endif
 405 #endif
 406
 407 #ifdef __INT16_C
 408 #define INT16_C(x) __INT16_C(x)
 409 #define UINT16_C(x) __UINT16_C(x)
 410 #else
 411 #define INT16_C(x)      x
 412 #if __STDINT_EXP(INT_MAX) > 0x7fff
 413 #define UINT16_C(x)     x
 414 #else
 415 #define UINT16_C(x)     x##U
 416 #endif
 417 #endif
 418
 419 #ifdef __INT32_C
 420 #define INT32_C(x) __INT32_C(x)
 421 #define UINT32_C(x) __UINT32_C(x)
 422 #else
 423 #if defined (_INT32_EQ_LONG)
 424 #define INT32_C(x)      x##L
 425 #define UINT32_C(x)     x##UL
 426 #else
 427 #define INT32_C(x)      x
 428 #define UINT32_C(x)     x##U
 429 #endif
 430 #endif
 431
 432 #ifdef __INT64_C
 433 #define INT64_C(x) __INT64_C(x)
 434 #define UINT64_C(x) __UINT64_C(x)
 435 #else
 436 #if __int64_t_defined
 437 #if __have_long64
 438 #define INT64_C(x)      x##L
 439 #define UINT64_C(x)     x##UL
 440 #else
 441 #define INT64_C(x)      x##LL
 442 #define UINT64_C(x)     x##ULL
 443 #endif
 444 #endif
 445 #endif
 446
 447 /** Macros for greatest-width integer constant expression */
 448 #ifdef __INTMAX_C
 449 #define INTMAX_C(x) __INTMAX_C(x)
 450 #define UINTMAX_C(x) __UINTMAX_C(x)
 451 #else
 452 #if __have_long64
 453 #define INTMAX_C(x)     x##L
 454 #define UINTMAX_C(x)    x##UL
 455 #else
 456 #define INTMAX_C(x)     x##LL
 457 #define UINTMAX_C(x)    x##ULL
 458 #endif
 459 #endif
 460
 461
 462 #ifdef __cplusplus
 463 }
 464 #endif
 465
 466 #endif /* _STDINT_H */