code.delx.au - gnu-emacs/blob - lib/stdint.in.h

   1 /* Copyright (C) 2001-2002, 2004-2016 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 General Public License as published by
   7    the Free Software Foundation; either version 3, 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 General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, see <http://www.gnu.org/licenses/>.  */
  17
  18 /*
  19  * ISO C 99 <stdint.h> for platforms that lack it.
  20  * <http://www.opengroup.org/susv3xbd/stdint.h.html>
  21  */
  22
  23 #ifndef _@GUARD_PREFIX@_STDINT_H
  24
  25 #if __GNUC__ >= 3
  26 @PRAGMA_SYSTEM_HEADER@
  27 #endif
  28 @PRAGMA_COLUMNS@
  29
  30 /* When including a system file that in turn includes <inttypes.h>,
  31    use the system <inttypes.h>, not our substitute.  This avoids
  32    problems with (for example) VMS, whose <sys/bitypes.h> includes
  33    <inttypes.h>.  */
  34 #define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
  35
  36 /* On Android (Bionic libc), <sys/types.h> includes this file before
  37    having defined 'time_t'.  Therefore in this case avoid including
  38    other system header files; just include the system's <stdint.h>.
  39    Ideally we should test __BIONIC__ here, but it is only defined after
  40    <sys/cdefs.h> has been included; hence test __ANDROID__ instead.  */
  41 #if defined __ANDROID__ && defined _GL_INCLUDING_SYS_TYPES_H
  42 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
  43 #else
  44
  45 /* Get those types that are already defined in other system include
  46    files, so that we can "#define int8_t signed char" below without
  47    worrying about a later system include file containing a "typedef
  48    signed char int8_t;" that will get messed up by our macro.  Our
  49    macros should all be consistent with the system versions, except
  50    for the "fast" types and macros, which we recommend against using
  51    in public interfaces due to compiler differences.  */
  52
  53 #if @HAVE_STDINT_H@
  54 # if defined __sgi && ! defined __c99
  55    /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
  56       with "This header file is to be used only for c99 mode compilations"
  57       diagnostics.  */
  58 #  define __STDINT_H__
  59 # endif
  60
  61   /* Some pre-C++11 <stdint.h> implementations need this.  */
  62 # ifdef __cplusplus
  63 #  ifndef __STDC_CONSTANT_MACROS
  64 #   define __STDC_CONSTANT_MACROS 1
  65 #  endif
  66 #  ifndef __STDC_LIMIT_MACROS
  67 #   define __STDC_LIMIT_MACROS 1
  68 #  endif
  69 # endif
  70
  71   /* Other systems may have an incomplete or buggy <stdint.h>.
  72      Include it before <inttypes.h>, since any "#include <stdint.h>"
  73      in <inttypes.h> would reinclude us, skipping our contents because
  74      _@GUARD_PREFIX@_STDINT_H is defined.
  75      The include_next requires a split double-inclusion guard.  */
  76 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
  77 #endif
  78
  79 #if ! defined _@GUARD_PREFIX@_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
  80 #define _@GUARD_PREFIX@_STDINT_H
  81
  82 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
  83    IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
  84    AIX 5.2 <sys/types.h> isn't needed and causes troubles.
  85    Mac OS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
  86    relies on the system <stdint.h> definitions, so include
  87    <sys/types.h> after @NEXT_STDINT_H@.  */
  88 #if @HAVE_SYS_TYPES_H@ && ! defined _AIX
  89 # include <sys/types.h>
  90 #endif
  91
  92 /* Get SCHAR_MIN, SCHAR_MAX, UCHAR_MAX, INT_MIN, INT_MAX,
  93    LONG_MIN, LONG_MAX, ULONG_MAX.  */
  94 #include <limits.h>
  95
  96 #if @HAVE_INTTYPES_H@
  97   /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
  98      int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
  99      <inttypes.h> also defines intptr_t and uintptr_t.  */
 100 # include <inttypes.h>
 101 #elif @HAVE_SYS_INTTYPES_H@
 102   /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
 103      the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX.  */
 104 # include <sys/inttypes.h>
 105 #endif
 106
 107 #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
 108   /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
 109      int{8,16,32,64}_t and __BIT_TYPES_DEFINED__.  In libc5 >= 5.2.2 it is
 110      included by <sys/types.h>.  */
 111 # include <sys/bitypes.h>
 112 #endif
 113
 114 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
 115
 116 /* Minimum and maximum values for an integer type under the usual assumption.
 117    Return an unspecified value if BITS == 0, adding a check to pacify
 118    picky compilers.  */
 119
 120 #define _STDINT_MIN(signed, bits, zero) \
 121   ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
 122
 123 #define _STDINT_MAX(signed, bits, zero) \
 124   ((signed) \
 125    ? ~ _STDINT_MIN (signed, bits, zero) \
 126    : /* The expression for the unsigned case.  The subtraction of (signed) \
 127         is a nop in the unsigned case and avoids "signed integer overflow" \
 128         warnings in the signed case.  */ \
 129      ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
 130
 131 #if !GNULIB_defined_stdint_types
 132
 133 /* 7.18.1.1. Exact-width integer types */
 134
 135 /* Here we assume a standard architecture where the hardware integer
 136    types have 8, 16, 32, optionally 64 bits.  */
 137
 138 #undef int8_t
 139 #undef uint8_t
 140 typedef signed char gl_int8_t;
 141 typedef unsigned char gl_uint8_t;
 142 #define int8_t gl_int8_t
 143 #define uint8_t gl_uint8_t
 144
 145 #undef int16_t
 146 #undef uint16_t
 147 typedef short int gl_int16_t;
 148 typedef unsigned short int gl_uint16_t;
 149 #define int16_t gl_int16_t
 150 #define uint16_t gl_uint16_t
 151
 152 #undef int32_t
 153 #undef uint32_t
 154 typedef int gl_int32_t;
 155 typedef unsigned int gl_uint32_t;
 156 #define int32_t gl_int32_t
 157 #define uint32_t gl_uint32_t
 158
 159 /* If the system defines INT64_MAX, assume int64_t works.  That way,
 160    if the underlying platform defines int64_t to be a 64-bit long long
 161    int, the code below won't mistakenly define it to be a 64-bit long
 162    int, which would mess up C++ name mangling.  We must use #ifdef
 163    rather than #if, to avoid an error with HP-UX 10.20 cc.  */
 164
 165 #ifdef INT64_MAX
 166 # define GL_INT64_T
 167 #else
 168 /* Do not undefine int64_t if gnulib is not being used with 64-bit
 169    types, since otherwise it breaks platforms like Tandem/NSK.  */
 170 # if LONG_MAX >> 31 >> 31 == 1
 171 #  undef int64_t
 172 typedef long int gl_int64_t;
 173 #  define int64_t gl_int64_t
 174 #  define GL_INT64_T
 175 # elif defined _MSC_VER
 176 #  undef int64_t
 177 typedef __int64 gl_int64_t;
 178 #  define int64_t gl_int64_t
 179 #  define GL_INT64_T
 180 # elif @HAVE_LONG_LONG_INT@
 181 #  undef int64_t
 182 typedef long long int gl_int64_t;
 183 #  define int64_t gl_int64_t
 184 #  define GL_INT64_T
 185 # endif
 186 #endif
 187
 188 #ifdef UINT64_MAX
 189 # define GL_UINT64_T
 190 #else
 191 # if ULONG_MAX >> 31 >> 31 >> 1 == 1
 192 #  undef uint64_t
 193 typedef unsigned long int gl_uint64_t;
 194 #  define uint64_t gl_uint64_t
 195 #  define GL_UINT64_T
 196 # elif defined _MSC_VER
 197 #  undef uint64_t
 198 typedef unsigned __int64 gl_uint64_t;
 199 #  define uint64_t gl_uint64_t
 200 #  define GL_UINT64_T
 201 # elif @HAVE_UNSIGNED_LONG_LONG_INT@
 202 #  undef uint64_t
 203 typedef unsigned long long int gl_uint64_t;
 204 #  define uint64_t gl_uint64_t
 205 #  define GL_UINT64_T
 206 # endif
 207 #endif
 208
 209 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc.  */
 210 #define _UINT8_T
 211 #define _UINT32_T
 212 #define _UINT64_T
 213
 214
 215 /* 7.18.1.2. Minimum-width integer types */
 216
 217 /* Here we assume a standard architecture where the hardware integer
 218    types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
 219    are the same as the corresponding N_t types.  */
 220
 221 #undef int_least8_t
 222 #undef uint_least8_t
 223 #undef int_least16_t
 224 #undef uint_least16_t
 225 #undef int_least32_t
 226 #undef uint_least32_t
 227 #undef int_least64_t
 228 #undef uint_least64_t
 229 #define int_least8_t int8_t
 230 #define uint_least8_t uint8_t
 231 #define int_least16_t int16_t
 232 #define uint_least16_t uint16_t
 233 #define int_least32_t int32_t
 234 #define uint_least32_t uint32_t
 235 #ifdef GL_INT64_T
 236 # define int_least64_t int64_t
 237 #endif
 238 #ifdef GL_UINT64_T
 239 # define uint_least64_t uint64_t
 240 #endif
 241
 242 /* 7.18.1.3. Fastest minimum-width integer types */
 243
 244 /* Note: Other <stdint.h> substitutes may define these types differently.
 245    It is not recommended to use these types in public header files. */
 246
 247 /* Here we assume a standard architecture where the hardware integer
 248    types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
 249    are taken from the same list of types.  The following code normally
 250    uses types consistent with glibc, as that lessens the chance of
 251    incompatibility with older GNU hosts.  */
 252
 253 #undef int_fast8_t
 254 #undef uint_fast8_t
 255 #undef int_fast16_t
 256 #undef uint_fast16_t
 257 #undef int_fast32_t
 258 #undef uint_fast32_t
 259 #undef int_fast64_t
 260 #undef uint_fast64_t
 261 typedef signed char gl_int_fast8_t;
 262 typedef unsigned char gl_uint_fast8_t;
 263
 264 #ifdef __sun
 265 /* Define types compatible with SunOS 5.10, so that code compiled under
 266    earlier SunOS versions works with code compiled under SunOS 5.10.  */
 267 typedef int gl_int_fast32_t;
 268 typedef unsigned int gl_uint_fast32_t;
 269 #else
 270 typedef long int gl_int_fast32_t;
 271 typedef unsigned long int gl_uint_fast32_t;
 272 #endif
 273 typedef gl_int_fast32_t gl_int_fast16_t;
 274 typedef gl_uint_fast32_t gl_uint_fast16_t;
 275
 276 #define int_fast8_t gl_int_fast8_t
 277 #define uint_fast8_t gl_uint_fast8_t
 278 #define int_fast16_t gl_int_fast16_t
 279 #define uint_fast16_t gl_uint_fast16_t
 280 #define int_fast32_t gl_int_fast32_t
 281 #define uint_fast32_t gl_uint_fast32_t
 282 #ifdef GL_INT64_T
 283 # define int_fast64_t int64_t
 284 #endif
 285 #ifdef GL_UINT64_T
 286 # define uint_fast64_t uint64_t
 287 #endif
 288
 289 /* 7.18.1.4. Integer types capable of holding object pointers */
 290
 291 /* kLIBC's stdint.h defines _INTPTR_T_DECLARED and needs its own
 292    definitions of intptr_t and uintptr_t (which use int and unsigned)
 293    to avoid clashes with declarations of system functions like sbrk.  */
 294 #ifndef _INTPTR_T_DECLARED
 295 #undef intptr_t
 296 #undef uintptr_t
 297 typedef long int gl_intptr_t;
 298 typedef unsigned long int gl_uintptr_t;
 299 #define intptr_t gl_intptr_t
 300 #define uintptr_t gl_uintptr_t
 301 #endif
 302
 303 /* 7.18.1.5. Greatest-width integer types */
 304
 305 /* Note: These types are compiler dependent. It may be unwise to use them in
 306    public header files. */
 307
 308 /* If the system defines INTMAX_MAX, assume that intmax_t works, and
 309    similarly for UINTMAX_MAX and uintmax_t.  This avoids problems with
 310    assuming one type where another is used by the system.  */
 311
 312 #ifndef INTMAX_MAX
 313 # undef INTMAX_C
 314 # undef intmax_t
 315 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
 316 typedef long long int gl_intmax_t;
 317 #  define intmax_t gl_intmax_t
 318 # elif defined GL_INT64_T
 319 #  define intmax_t int64_t
 320 # else
 321 typedef long int gl_intmax_t;
 322 #  define intmax_t gl_intmax_t
 323 # endif
 324 #endif
 325
 326 #ifndef UINTMAX_MAX
 327 # undef UINTMAX_C
 328 # undef uintmax_t
 329 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
 330 typedef unsigned long long int gl_uintmax_t;
 331 #  define uintmax_t gl_uintmax_t
 332 # elif defined GL_UINT64_T
 333 #  define uintmax_t uint64_t
 334 # else
 335 typedef unsigned long int gl_uintmax_t;
 336 #  define uintmax_t gl_uintmax_t
 337 # endif
 338 #endif
 339
 340 /* Verify that intmax_t and uintmax_t have the same size.  Too much code
 341    breaks if this is not the case.  If this check fails, the reason is likely
 342    to be found in the autoconf macros.  */
 343 typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t)
 344                                 ? 1 : -1];
 345
 346 #define GNULIB_defined_stdint_types 1
 347 #endif /* !GNULIB_defined_stdint_types */
 348
 349 /* 7.18.2. Limits of specified-width integer types */
 350
 351 /* 7.18.2.1. Limits of exact-width integer types */
 352
 353 /* Here we assume a standard architecture where the hardware integer
 354    types have 8, 16, 32, optionally 64 bits.  */
 355
 356 #undef INT8_MIN
 357 #undef INT8_MAX
 358 #undef UINT8_MAX
 359 #define INT8_MIN  (~ INT8_MAX)
 360 #define INT8_MAX  127
 361 #define UINT8_MAX  255
 362
 363 #undef INT16_MIN
 364 #undef INT16_MAX
 365 #undef UINT16_MAX
 366 #define INT16_MIN  (~ INT16_MAX)
 367 #define INT16_MAX  32767
 368 #define UINT16_MAX  65535
 369
 370 #undef INT32_MIN
 371 #undef INT32_MAX
 372 #undef UINT32_MAX
 373 #define INT32_MIN  (~ INT32_MAX)
 374 #define INT32_MAX  2147483647
 375 #define UINT32_MAX  4294967295U
 376
 377 #if defined GL_INT64_T && ! defined INT64_MAX
 378 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
 379    evaluates the latter incorrectly in preprocessor expressions.  */
 380 # define INT64_MIN  (- INTMAX_C (1) << 63)
 381 # define INT64_MAX  INTMAX_C (9223372036854775807)
 382 #endif
 383
 384 #if defined GL_UINT64_T && ! defined UINT64_MAX
 385 # define UINT64_MAX  UINTMAX_C (18446744073709551615)
 386 #endif
 387
 388 /* 7.18.2.2. Limits of minimum-width integer types */
 389
 390 /* Here we assume a standard architecture where the hardware integer
 391    types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
 392    are the same as the corresponding N_t types.  */
 393
 394 #undef INT_LEAST8_MIN
 395 #undef INT_LEAST8_MAX
 396 #undef UINT_LEAST8_MAX
 397 #define INT_LEAST8_MIN  INT8_MIN
 398 #define INT_LEAST8_MAX  INT8_MAX
 399 #define UINT_LEAST8_MAX  UINT8_MAX
 400
 401 #undef INT_LEAST16_MIN
 402 #undef INT_LEAST16_MAX
 403 #undef UINT_LEAST16_MAX
 404 #define INT_LEAST16_MIN  INT16_MIN
 405 #define INT_LEAST16_MAX  INT16_MAX
 406 #define UINT_LEAST16_MAX  UINT16_MAX
 407
 408 #undef INT_LEAST32_MIN
 409 #undef INT_LEAST32_MAX
 410 #undef UINT_LEAST32_MAX
 411 #define INT_LEAST32_MIN  INT32_MIN
 412 #define INT_LEAST32_MAX  INT32_MAX
 413 #define UINT_LEAST32_MAX  UINT32_MAX
 414
 415 #undef INT_LEAST64_MIN
 416 #undef INT_LEAST64_MAX
 417 #ifdef GL_INT64_T
 418 # define INT_LEAST64_MIN  INT64_MIN
 419 # define INT_LEAST64_MAX  INT64_MAX
 420 #endif
 421
 422 #undef UINT_LEAST64_MAX
 423 #ifdef GL_UINT64_T
 424 # define UINT_LEAST64_MAX  UINT64_MAX
 425 #endif
 426
 427 /* 7.18.2.3. Limits of fastest minimum-width integer types */
 428
 429 /* Here we assume a standard architecture where the hardware integer
 430    types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
 431    are taken from the same list of types.  */
 432
 433 #undef INT_FAST8_MIN
 434 #undef INT_FAST8_MAX
 435 #undef UINT_FAST8_MAX
 436 #define INT_FAST8_MIN  SCHAR_MIN
 437 #define INT_FAST8_MAX  SCHAR_MAX
 438 #define UINT_FAST8_MAX  UCHAR_MAX
 439
 440 #undef INT_FAST16_MIN
 441 #undef INT_FAST16_MAX
 442 #undef UINT_FAST16_MAX
 443 #define INT_FAST16_MIN  INT_FAST32_MIN
 444 #define INT_FAST16_MAX  INT_FAST32_MAX
 445 #define UINT_FAST16_MAX  UINT_FAST32_MAX
 446
 447 #undef INT_FAST32_MIN
 448 #undef INT_FAST32_MAX
 449 #undef UINT_FAST32_MAX
 450 #ifdef __sun
 451 # define INT_FAST32_MIN  INT_MIN
 452 # define INT_FAST32_MAX  INT_MAX
 453 # define UINT_FAST32_MAX  UINT_MAX
 454 #else
 455 # define INT_FAST32_MIN  LONG_MIN
 456 # define INT_FAST32_MAX  LONG_MAX
 457 # define UINT_FAST32_MAX  ULONG_MAX
 458 #endif
 459
 460 #undef INT_FAST64_MIN
 461 #undef INT_FAST64_MAX
 462 #ifdef GL_INT64_T
 463 # define INT_FAST64_MIN  INT64_MIN
 464 # define INT_FAST64_MAX  INT64_MAX
 465 #endif
 466
 467 #undef UINT_FAST64_MAX
 468 #ifdef GL_UINT64_T
 469 # define UINT_FAST64_MAX  UINT64_MAX
 470 #endif
 471
 472 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
 473
 474 #undef INTPTR_MIN
 475 #undef INTPTR_MAX
 476 #undef UINTPTR_MAX
 477 #define INTPTR_MIN  LONG_MIN
 478 #define INTPTR_MAX  LONG_MAX
 479 #define UINTPTR_MAX  ULONG_MAX
 480
 481 /* 7.18.2.5. Limits of greatest-width integer types */
 482
 483 #ifndef INTMAX_MAX
 484 # undef INTMAX_MIN
 485 # ifdef INT64_MAX
 486 #  define INTMAX_MIN  INT64_MIN
 487 #  define INTMAX_MAX  INT64_MAX
 488 # else
 489 #  define INTMAX_MIN  INT32_MIN
 490 #  define INTMAX_MAX  INT32_MAX
 491 # endif
 492 #endif
 493
 494 #ifndef UINTMAX_MAX
 495 # ifdef UINT64_MAX
 496 #  define UINTMAX_MAX  UINT64_MAX
 497 # else
 498 #  define UINTMAX_MAX  UINT32_MAX
 499 # endif
 500 #endif
 501
 502 /* 7.18.3. Limits of other integer types */
 503
 504 /* ptrdiff_t limits */
 505 #undef PTRDIFF_MIN
 506 #undef PTRDIFF_MAX
 507 #if @APPLE_UNIVERSAL_BUILD@
 508 # ifdef _LP64
 509 #  define PTRDIFF_MIN  _STDINT_MIN (1, 64, 0l)
 510 #  define PTRDIFF_MAX  _STDINT_MAX (1, 64, 0l)
 511 # else
 512 #  define PTRDIFF_MIN  _STDINT_MIN (1, 32, 0)
 513 #  define PTRDIFF_MAX  _STDINT_MAX (1, 32, 0)
 514 # endif
 515 #else
 516 # define PTRDIFF_MIN  \
 517     _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
 518 # define PTRDIFF_MAX  \
 519     _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
 520 #endif
 521
 522 /* sig_atomic_t limits */
 523 #undef SIG_ATOMIC_MIN
 524 #undef SIG_ATOMIC_MAX
 525 #define SIG_ATOMIC_MIN  \
 526    _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
 527                 0@SIG_ATOMIC_T_SUFFIX@)
 528 #define SIG_ATOMIC_MAX  \
 529    _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
 530                 0@SIG_ATOMIC_T_SUFFIX@)
 531
 532
 533 /* size_t limit */
 534 #undef SIZE_MAX
 535 #if @APPLE_UNIVERSAL_BUILD@
 536 # ifdef _LP64
 537 #  define SIZE_MAX  _STDINT_MAX (0, 64, 0ul)
 538 # else
 539 #  define SIZE_MAX  _STDINT_MAX (0, 32, 0ul)
 540 # endif
 541 #else
 542 # define SIZE_MAX  _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
 543 #endif
 544
 545 /* wchar_t limits */
 546 /* Get WCHAR_MIN, WCHAR_MAX.
 547    This include is not on the top, above, because on OSF/1 4.0 we have a
 548    sequence of nested includes
 549    <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
 550    <stdint.h> and assumes its types are already defined.  */
 551 #if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
 552   /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
 553      included before <wchar.h>.  */
 554 # include <stddef.h>
 555 # include <stdio.h>
 556 # include <time.h>
 557 # define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
 558 # include <wchar.h>
 559 # undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
 560 #endif
 561 #undef WCHAR_MIN
 562 #undef WCHAR_MAX
 563 #define WCHAR_MIN  \
 564    _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
 565 #define WCHAR_MAX  \
 566    _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
 567
 568 /* wint_t limits */
 569 #undef WINT_MIN
 570 #undef WINT_MAX
 571 #define WINT_MIN  \
 572    _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
 573 #define WINT_MAX  \
 574    _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
 575
 576 /* 7.18.4. Macros for integer constants */
 577
 578 /* 7.18.4.1. Macros for minimum-width integer constants */
 579 /* According to ISO C 99 Technical Corrigendum 1 */
 580
 581 /* Here we assume a standard architecture where the hardware integer
 582    types have 8, 16, 32, optionally 64 bits, and int is 32 bits.  */
 583
 584 #undef INT8_C
 585 #undef UINT8_C
 586 #define INT8_C(x) x
 587 #define UINT8_C(x) x
 588
 589 #undef INT16_C
 590 #undef UINT16_C
 591 #define INT16_C(x) x
 592 #define UINT16_C(x) x
 593
 594 #undef INT32_C
 595 #undef UINT32_C
 596 #define INT32_C(x) x
 597 #define UINT32_C(x) x ## U
 598
 599 #undef INT64_C
 600 #undef UINT64_C
 601 #if LONG_MAX >> 31 >> 31 == 1
 602 # define INT64_C(x) x##L
 603 #elif defined _MSC_VER
 604 # define INT64_C(x) x##i64
 605 #elif @HAVE_LONG_LONG_INT@
 606 # define INT64_C(x) x##LL
 607 #endif
 608 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
 609 # define UINT64_C(x) x##UL
 610 #elif defined _MSC_VER
 611 # define UINT64_C(x) x##ui64
 612 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
 613 # define UINT64_C(x) x##ULL
 614 #endif
 615
 616 /* 7.18.4.2. Macros for greatest-width integer constants */
 617
 618 #ifndef INTMAX_C
 619 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
 620 #  define INTMAX_C(x)   x##LL
 621 # elif defined GL_INT64_T
 622 #  define INTMAX_C(x)   INT64_C(x)
 623 # else
 624 #  define INTMAX_C(x)   x##L
 625 # endif
 626 #endif
 627
 628 #ifndef UINTMAX_C
 629 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
 630 #  define UINTMAX_C(x)  x##ULL
 631 # elif defined GL_UINT64_T
 632 #  define UINTMAX_C(x)  UINT64_C(x)
 633 # else
 634 #  define UINTMAX_C(x)  x##UL
 635 # endif
 636 #endif
 637
 638 #endif /* _@GUARD_PREFIX@_STDINT_H */
 639 #endif /* !(defined __ANDROID__ && ...) */
 640 #endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */