lib/stdint.in.h

   1 /* Copyright (C) 2001-2002, 2004-2011 Free Software Foundation, Inc.
   2    Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
   3    This file is part of gnulib.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as published by
   7    the Free Software Foundation; either version 2, or (at your option)
   8    any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public License
  16    along with this program; if not, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 /*
  20  * ISO C 99 <stdint.h> for platforms that lack it.
  21  * <http://www.opengroup.org/susv3xbd/stdint.h.html>
  22  */
  23
  24 #ifndef _@GUARD_PREFIX@_STDINT_H
  25
  26 #if __GNUC__ >= 3
  27 @PRAGMA_SYSTEM_HEADER@
  28 #endif
  29 @PRAGMA_COLUMNS@
  30
  31 /* When including a system file that in turn includes <inttypes.h>,
  32    use the system <inttypes.h>, not our substitute.  This avoids
  33    problems with (for example) VMS, whose <sys/bitypes.h> includes
  34    <inttypes.h>.  */
  35 #define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
  36
  37 /* Get those types that are already defined in other system include
  38    files, so that we can "#define int8_t signed char" below without
  39    worrying about a later system include file containing a "typedef
  40    signed char int8_t;" that will get messed up by our macro.  Our
  41    macros should all be consistent with the system versions, except
  42    for the "fast" types and macros, which we recommend against using
  43    in public interfaces due to compiler differences.  */
  44
  45 #if @HAVE_STDINT_H@
  46 # if defined __sgi && ! defined __c99
  47    /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
  48       with "This header file is to be used only for c99 mode compilations"
  49       diagnostics.  */
  50 #  define __STDINT_H__
  51 # endif
  52   /* Other systems may have an incomplete or buggy <stdint.h>.
  53      Include it before <inttypes.h>, since any "#include <stdint.h>"
  54      in <inttypes.h> would reinclude us, skipping our contents because
  55      _@GUARD_PREFIX@_STDINT_H is defined.
  56      The include_next requires a split double-inclusion guard.  */
  57 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
  58 #endif
  59
  60 #if ! defined _@GUARD_PREFIX@_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
  61 #define _@GUARD_PREFIX@_STDINT_H
  62
  63 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
  64    IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
  65    AIX 5.2 <sys/types.h> isn't needed and causes troubles.
  66    MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
  67    relies on the system <stdint.h> definitions, so include
  68    <sys/types.h> after @NEXT_STDINT_H@.  */
  69 #if @HAVE_SYS_TYPES_H@ && ! defined _AIX
  70 # include <sys/types.h>
  71 #endif
  72
  73 /* Get LONG_MIN, LONG_MAX, ULONG_MAX.  */
  74 #include <limits.h>
  75
  76 #if @HAVE_INTTYPES_H@
  77   /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
  78      int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
  79      <inttypes.h> also defines intptr_t and uintptr_t.  */
  80 # include <inttypes.h>
  81 #elif @HAVE_SYS_INTTYPES_H@
  82   /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
  83      the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX.  */
  84 # include <sys/inttypes.h>
  85 #endif
  86
  87 #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
  88   /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
  89      int{8,16,32,64}_t and __BIT_TYPES_DEFINED__.  In libc5 >= 5.2.2 it is
  90      included by <sys/types.h>.  */
  91 # include <sys/bitypes.h>
  92 #endif
  93
  94 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
  95
  96 /* Minimum and maximum values for an integer type under the usual assumption.
  97    Return an unspecified value if BITS == 0, adding a check to pacify
  98    picky compilers.  */
  99
 100 #define _STDINT_MIN(signed, bits, zero) \
 101   ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
 102
 103 #define _STDINT_MAX(signed, bits, zero) \
 104   ((signed) \
 105    ? ~ _STDINT_MIN (signed, bits, zero) \
 106    : /* The expression for the unsigned case.  The subtraction of (signed) \
 107         is a nop in the unsigned case and avoids "signed integer overflow" \
 108         warnings in the signed case.  */ \
 109      ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
 110
 111 #if !GNULIB_defined_stdint_types
 112
 113 /* 7.18.1.1. Exact-width integer types */
 114
 115 /* Here we assume a standard architecture where the hardware integer
 116    types have 8, 16, 32, optionally 64 bits.  */
 117
 118 #undef int8_t
 119 #undef uint8_t
 120 typedef signed char gl_int8_t;
 121 typedef unsigned char gl_uint8_t;
 122 #define int8_t gl_int8_t
 123 #define uint8_t gl_uint8_t
 124
 125 #undef int16_t
 126 #undef uint16_t
 127 typedef short int gl_int16_t;
 128 typedef unsigned short int gl_uint16_t;
 129 #define int16_t gl_int16_t
 130 #define uint16_t gl_uint16_t
 131
 132 #undef int32_t
 133 #undef uint32_t
 134 typedef int gl_int32_t;
 135 typedef unsigned int gl_uint32_t;
 136 #define int32_t gl_int32_t
 137 #define uint32_t gl_uint32_t
 138
 139 /* If the system defines INT64_MAX, assume int64_t works.  That way,
 140    if the underlying platform defines int64_t to be a 64-bit long long
 141    int, the code below won't mistakenly define it to be a 64-bit long
 142    int, which would mess up C++ name mangling.  We must use #ifdef
 143    rather than #if, to avoid an error with HP-UX 10.20 cc.  */
 144
 145 #ifdef INT64_MAX
 146 # define GL_INT64_T
 147 #else
 148 /* Do not undefine int64_t if gnulib is not being used with 64-bit
 149    types, since otherwise it breaks platforms like Tandem/NSK.  */
 150 # if LONG_MAX >> 31 >> 31 == 1
 151 #  undef int64_t
 152 typedef long int gl_int64_t;
 153 #  define int64_t gl_int64_t
 154 #  define GL_INT64_T
 155 # elif defined _MSC_VER
 156 #  undef int64_t
 157 typedef __int64 gl_int64_t;
 158 #  define int64_t gl_int64_t
 159 #  define GL_INT64_T
 160 # elif @HAVE_LONG_LONG_INT@
 161 #  undef int64_t
 162 typedef long long int gl_int64_t;
 163 #  define int64_t gl_int64_t
 164 #  define GL_INT64_T
 165 # endif
 166 #endif
 167
 168 #ifdef UINT64_MAX
 169 # define GL_UINT64_T
 170 #else
 171 # if ULONG_MAX >> 31 >> 31 >> 1 == 1
 172 #  undef uint64_t
 173 typedef unsigned long int gl_uint64_t;
 174 #  define uint64_t gl_uint64_t
 175 #  define GL_UINT64_T
 176 # elif defined _MSC_VER
 177 #  undef uint64_t
 178 typedef unsigned __int64 gl_uint64_t;
 179 #  define uint64_t gl_uint64_t
 180 #  define GL_UINT64_T
 181 # elif @HAVE_UNSIGNED_LONG_LONG_INT@
 182 #  undef uint64_t
 183 typedef unsigned long long int gl_uint64_t;
 184 #  define uint64_t gl_uint64_t
 185 #  define GL_UINT64_T
 186 # endif
 187 #endif
 188
 189 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc.  */
 190 #define _UINT8_T
 191 #define _UINT32_T
 192 #define _UINT64_T
 193
 194
 195 /* 7.18.1.2. Minimum-width integer types */
 196
 197 /* Here we assume a standard architecture where the hardware integer
 198    types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
 199    are the same as the corresponding N_t types.  */
 200
 201 #undef int_least8_t
 202 #undef uint_least8_t
 203 #undef int_least16_t
 204 #undef uint_least16_t
 205 #undef int_least32_t
 206 #undef uint_least32_t
 207 #undef int_least64_t
 208 #undef uint_least64_t
 209 #define int_least8_t int8_t
 210 #define uint_least8_t uint8_t
 211 #define int_least16_t int16_t
 212 #define uint_least16_t uint16_t
 213 #define int_least32_t int32_t
 214 #define uint_least32_t uint32_t
 215 #ifdef GL_INT64_T
 216 # define int_least64_t int64_t
 217 #endif
 218 #ifdef GL_UINT64_T
 219 # define uint_least64_t uint64_t
 220 #endif
 221
 222 /* 7.18.1.3. Fastest minimum-width integer types */
 223
 224 /* Note: Other <stdint.h> substitutes may define these types differently.
 225    It is not recommended to use these types in public header files. */
 226
 227 /* Here we assume a standard architecture where the hardware integer
 228    types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
 229    are taken from the same list of types.  Assume that 'long int'
 230    is fast enough for all narrower integers.  */
 231
 232 #undef int_fast8_t
 233 #undef uint_fast8_t
 234 #undef int_fast16_t
 235 #undef uint_fast16_t
 236 #undef int_fast32_t
 237 #undef uint_fast32_t
 238 #undef int_fast64_t
 239 #undef uint_fast64_t
 240 typedef long int gl_int_fast8_t;
 241 typedef unsigned long int gl_uint_fast8_t;
 242 typedef long int gl_int_fast16_t;
 243 typedef unsigned long int gl_uint_fast16_t;
 244 typedef long int gl_int_fast32_t;
 245 typedef unsigned long int gl_uint_fast32_t;
 246 #define int_fast8_t gl_int_fast8_t
 247 #define uint_fast8_t gl_uint_fast8_t
 248 #define int_fast16_t gl_int_fast16_t
 249 #define uint_fast16_t gl_uint_fast16_t
 250 #define int_fast32_t gl_int_fast32_t
 251 #define uint_fast32_t gl_uint_fast32_t
 252 #ifdef GL_INT64_T
 253 # define int_fast64_t int64_t
 254 #endif
 255 #ifdef GL_UINT64_T
 256 # define uint_fast64_t uint64_t
 257 #endif
 258
 259 /* 7.18.1.4. Integer types capable of holding object pointers */
 260
 261 #undef intptr_t
 262 #undef uintptr_t
 263 typedef long int gl_intptr_t;
 264 typedef unsigned long int gl_uintptr_t;
 265 #define intptr_t gl_intptr_t
 266 #define uintptr_t gl_uintptr_t
 267
 268 /* 7.18.1.5. Greatest-width integer types */
 269
 270 /* Note: These types are compiler dependent. It may be unwise to use them in
 271    public header files. */
 272
 273 /* If the system defines INTMAX_MAX, assume that intmax_t works, and
 274    similarly for UINTMAX_MAX and uintmax_t.  This avoids problems with
 275    assuming one type where another is used by the system.  */
 276
 277 #ifndef INTMAX_MAX
 278 # undef INTMAX_C
 279 # undef intmax_t
 280 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
 281 typedef long long int gl_intmax_t;
 282 #  define intmax_t gl_intmax_t
 283 # elif defined GL_INT64_T
 284 #  define intmax_t int64_t
 285 # else
 286 typedef long int gl_intmax_t;
 287 #  define intmax_t gl_intmax_t
 288 # endif
 289 #endif
 290
 291 #ifndef UINTMAX_MAX
 292 # undef UINTMAX_C
 293 # undef uintmax_t
 294 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
 295 typedef unsigned long long int gl_uintmax_t;
 296 #  define uintmax_t gl_uintmax_t
 297 # elif defined GL_UINT64_T
 298 #  define uintmax_t uint64_t
 299 # else
 300 typedef unsigned long int gl_uintmax_t;
 301 #  define uintmax_t gl_uintmax_t
 302 # endif
 303 #endif
 304
 305 /* Verify that intmax_t and uintmax_t have the same size.  Too much code
 306    breaks if this is not the case.  If this check fails, the reason is likely
 307    to be found in the autoconf macros.  */
 308 typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t)
 309                                 ? 1 : -1];
 310
 311 #define GNULIB_defined_stdint_types 1
 312 #endif /* !GNULIB_defined_stdint_types */
 313
 314 /* 7.18.2. Limits of specified-width integer types */
 315
 316 #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
 317
 318 /* 7.18.2.1. Limits of exact-width integer types */
 319
 320 /* Here we assume a standard architecture where the hardware integer
 321    types have 8, 16, 32, optionally 64 bits.  */
 322
 323 #undef INT8_MIN
 324 #undef INT8_MAX
 325 #undef UINT8_MAX
 326 #define INT8_MIN  (~ INT8_MAX)
 327 #define INT8_MAX  127
 328 #define UINT8_MAX  255
 329
 330 #undef INT16_MIN
 331 #undef INT16_MAX
 332 #undef UINT16_MAX
 333 #define INT16_MIN  (~ INT16_MAX)
 334 #define INT16_MAX  32767
 335 #define UINT16_MAX  65535
 336
 337 #undef INT32_MIN
 338 #undef INT32_MAX
 339 #undef UINT32_MAX
 340 #define INT32_MIN  (~ INT32_MAX)
 341 #define INT32_MAX  2147483647
 342 #define UINT32_MAX  4294967295U
 343
 344 #if defined GL_INT64_T && ! defined INT64_MAX
 345 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
 346    evaluates the latter incorrectly in preprocessor expressions.  */
 347 # define INT64_MIN  (- INTMAX_C (1) << 63)
 348 # define INT64_MAX  INTMAX_C (9223372036854775807)
 349 #endif
 350
 351 #if defined GL_UINT64_T && ! defined UINT64_MAX
 352 # define UINT64_MAX  UINTMAX_C (18446744073709551615)
 353 #endif
 354
 355 /* 7.18.2.2. Limits of minimum-width integer types */
 356
 357 /* Here we assume a standard architecture where the hardware integer
 358    types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
 359    are the same as the corresponding N_t types.  */
 360
 361 #undef INT_LEAST8_MIN
 362 #undef INT_LEAST8_MAX
 363 #undef UINT_LEAST8_MAX
 364 #define INT_LEAST8_MIN  INT8_MIN
 365 #define INT_LEAST8_MAX  INT8_MAX
 366 #define UINT_LEAST8_MAX  UINT8_MAX
 367
 368 #undef INT_LEAST16_MIN
 369 #undef INT_LEAST16_MAX
 370 #undef UINT_LEAST16_MAX
 371 #define INT_LEAST16_MIN  INT16_MIN
 372 #define INT_LEAST16_MAX  INT16_MAX
 373 #define UINT_LEAST16_MAX  UINT16_MAX
 374
 375 #undef INT_LEAST32_MIN
 376 #undef INT_LEAST32_MAX
 377 #undef UINT_LEAST32_MAX
 378 #define INT_LEAST32_MIN  INT32_MIN
 379 #define INT_LEAST32_MAX  INT32_MAX
 380 #define UINT_LEAST32_MAX  UINT32_MAX
 381
 382 #undef INT_LEAST64_MIN
 383 #undef INT_LEAST64_MAX
 384 #ifdef GL_INT64_T
 385 # define INT_LEAST64_MIN  INT64_MIN
 386 # define INT_LEAST64_MAX  INT64_MAX
 387 #endif
 388
 389 #undef UINT_LEAST64_MAX
 390 #ifdef GL_UINT64_T
 391 # define UINT_LEAST64_MAX  UINT64_MAX
 392 #endif
 393
 394 /* 7.18.2.3. Limits of fastest minimum-width integer types */
 395
 396 /* Here we assume a standard architecture where the hardware integer
 397    types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
 398    are taken from the same list of types.  */
 399
 400 #undef INT_FAST8_MIN
 401 #undef INT_FAST8_MAX
 402 #undef UINT_FAST8_MAX
 403 #define INT_FAST8_MIN  LONG_MIN
 404 #define INT_FAST8_MAX  LONG_MAX
 405 #define UINT_FAST8_MAX  ULONG_MAX
 406
 407 #undef INT_FAST16_MIN
 408 #undef INT_FAST16_MAX
 409 #undef UINT_FAST16_MAX
 410 #define INT_FAST16_MIN  LONG_MIN
 411 #define INT_FAST16_MAX  LONG_MAX
 412 #define UINT_FAST16_MAX  ULONG_MAX
 413
 414 #undef INT_FAST32_MIN
 415 #undef INT_FAST32_MAX
 416 #undef UINT_FAST32_MAX
 417 #define INT_FAST32_MIN  LONG_MIN
 418 #define INT_FAST32_MAX  LONG_MAX
 419 #define UINT_FAST32_MAX  ULONG_MAX
 420
 421 #undef INT_FAST64_MIN
 422 #undef INT_FAST64_MAX
 423 #ifdef GL_INT64_T
 424 # define INT_FAST64_MIN  INT64_MIN
 425 # define INT_FAST64_MAX  INT64_MAX
 426 #endif
 427
 428 #undef UINT_FAST64_MAX
 429 #ifdef GL_UINT64_T
 430 # define UINT_FAST64_MAX  UINT64_MAX
 431 #endif
 432
 433 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
 434
 435 #undef INTPTR_MIN
 436 #undef INTPTR_MAX
 437 #undef UINTPTR_MAX
 438 #define INTPTR_MIN  LONG_MIN
 439 #define INTPTR_MAX  LONG_MAX
 440 #define UINTPTR_MAX  ULONG_MAX
 441
 442 /* 7.18.2.5. Limits of greatest-width integer types */
 443
 444 #ifndef INTMAX_MAX
 445 # undef INTMAX_MIN
 446 # ifdef INT64_MAX
 447 #  define INTMAX_MIN  INT64_MIN
 448 #  define INTMAX_MAX  INT64_MAX
 449 # else
 450 #  define INTMAX_MIN  INT32_MIN
 451 #  define INTMAX_MAX  INT32_MAX
 452 # endif
 453 #endif
 454
 455 #ifndef UINTMAX_MAX
 456 # ifdef UINT64_MAX
 457 #  define UINTMAX_MAX  UINT64_MAX
 458 # else
 459 #  define UINTMAX_MAX  UINT32_MAX
 460 # endif
 461 #endif
 462
 463 /* 7.18.3. Limits of other integer types */
 464
 465 /* ptrdiff_t limits */
 466 #undef PTRDIFF_MIN
 467 #undef PTRDIFF_MAX
 468 #if @APPLE_UNIVERSAL_BUILD@
 469 # ifdef _LP64
 470 #  define PTRDIFF_MIN  _STDINT_MIN (1, 64, 0l)
 471 #  define PTRDIFF_MAX  _STDINT_MAX (1, 64, 0l)
 472 # else
 473 #  define PTRDIFF_MIN  _STDINT_MIN (1, 32, 0)
 474 #  define PTRDIFF_MAX  _STDINT_MAX (1, 32, 0)
 475 # endif
 476 #else
 477 # define PTRDIFF_MIN  \
 478     _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
 479 # define PTRDIFF_MAX  \
 480     _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
 481 #endif
 482
 483 /* sig_atomic_t limits */
 484 #undef SIG_ATOMIC_MIN
 485 #undef SIG_ATOMIC_MAX
 486 #define SIG_ATOMIC_MIN  \
 487    _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
 488                 0@SIG_ATOMIC_T_SUFFIX@)
 489 #define SIG_ATOMIC_MAX  \
 490    _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
 491                 0@SIG_ATOMIC_T_SUFFIX@)
 492
 493
 494 /* size_t limit */
 495 #undef SIZE_MAX
 496 #if @APPLE_UNIVERSAL_BUILD@
 497 # ifdef _LP64
 498 #  define SIZE_MAX  _STDINT_MAX (0, 64, 0ul)
 499 # else
 500 #  define SIZE_MAX  _STDINT_MAX (0, 32, 0ul)
 501 # endif
 502 #else
 503 # define SIZE_MAX  _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
 504 #endif
 505
 506 /* wchar_t limits */
 507 /* Get WCHAR_MIN, WCHAR_MAX.
 508    This include is not on the top, above, because on OSF/1 4.0 we have a
 509    sequence of nested includes
 510    <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
 511    <stdint.h> and assumes its types are already defined.  */
 512 #if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
 513   /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
 514      included before <wchar.h>.  */
 515 # include <stddef.h>
 516 # include <stdio.h>
 517 # include <time.h>
 518 # define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
 519 # include <wchar.h>
 520 # undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
 521 #endif
 522 #undef WCHAR_MIN
 523 #undef WCHAR_MAX
 524 #define WCHAR_MIN  \
 525    _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
 526 #define WCHAR_MAX  \
 527    _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
 528
 529 /* wint_t limits */
 530 #undef WINT_MIN
 531 #undef WINT_MAX
 532 #define WINT_MIN  \
 533    _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
 534 #define WINT_MAX  \
 535    _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
 536
 537 #endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
 538
 539 /* 7.18.4. Macros for integer constants */
 540
 541 #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
 542
 543 /* 7.18.4.1. Macros for minimum-width integer constants */
 544 /* According to ISO C 99 Technical Corrigendum 1 */
 545
 546 /* Here we assume a standard architecture where the hardware integer
 547    types have 8, 16, 32, optionally 64 bits, and int is 32 bits.  */
 548
 549 #undef INT8_C
 550 #undef UINT8_C
 551 #define INT8_C(x) x
 552 #define UINT8_C(x) x
 553
 554 #undef INT16_C
 555 #undef UINT16_C
 556 #define INT16_C(x) x
 557 #define UINT16_C(x) x
 558
 559 #undef INT32_C
 560 #undef UINT32_C
 561 #define INT32_C(x) x
 562 #define UINT32_C(x) x ## U
 563
 564 #undef INT64_C
 565 #undef UINT64_C
 566 #if LONG_MAX >> 31 >> 31 == 1
 567 # define INT64_C(x) x##L
 568 #elif defined _MSC_VER
 569 # define INT64_C(x) x##i64
 570 #elif @HAVE_LONG_LONG_INT@
 571 # define INT64_C(x) x##LL
 572 #endif
 573 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
 574 # define UINT64_C(x) x##UL
 575 #elif defined _MSC_VER
 576 # define UINT64_C(x) x##ui64
 577 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
 578 # define UINT64_C(x) x##ULL
 579 #endif
 580
 581 /* 7.18.4.2. Macros for greatest-width integer constants */
 582
 583 #ifndef INTMAX_C
 584 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
 585 #  define INTMAX_C(x)   x##LL
 586 # elif defined GL_INT64_T
 587 #  define INTMAX_C(x)   INT64_C(x)
 588 # else
 589 #  define INTMAX_C(x)   x##L
 590 # endif
 591 #endif
 592
 593 #ifndef UINTMAX_C
 594 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
 595 #  define UINTMAX_C(x)  x##ULL
 596 # elif defined GL_UINT64_T
 597 #  define UINTMAX_C(x)  UINT64_C(x)
 598 # else
 599 #  define UINTMAX_C(x)  x##UL
 600 # endif
 601 #endif
 602
 603 #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
 604
 605 #endif /* _@GUARD_PREFIX@_STDINT_H */
 606 #endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */