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      1 /* Copyright (C) 2001-2002, 2004-2012 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__ \
     42     && defined _SYS_TYPES_H_ && !defined _SSIZE_T_DEFINED_
     43 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
     44 #else
     45 
     46 /* Get those types that are already defined in other system include
     47    files, so that we can "#define int8_t signed char" below without
     48    worrying about a later system include file containing a "typedef
     49    signed char int8_t;" that will get messed up by our macro.  Our
     50    macros should all be consistent with the system versions, except
     51    for the "fast" types and macros, which we recommend against using
     52    in public interfaces due to compiler differences.  */
     53 
     54 #if @HAVE_STDINT_H@
     55 # if defined __sgi && ! defined __c99
     56    /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
     57       with "This header file is to be used only for c99 mode compilations"
     58       diagnostics.  */
     59 #  define __STDINT_H__
     60 # endif
     61 
     62   /* Some pre-C++11 <stdint.h> implementations need this.  */
     63 # ifdef __cplusplus
     64 #  ifndef __STDC_CONSTANT_MACROS
     65 #   define __STDC_CONSTANT_MACROS 1
     66 #  endif
     67 #  ifndef __STDC_LIMIT_MACROS
     68 #   define __STDC_LIMIT_MACROS 1
     69 #  endif
     70 # endif
     71 
     72   /* Other systems may have an incomplete or buggy <stdint.h>.
     73      Include it before <inttypes.h>, since any "#include <stdint.h>"
     74      in <inttypes.h> would reinclude us, skipping our contents because
     75      _@GUARD_PREFIX@_STDINT_H is defined.
     76      The include_next requires a split double-inclusion guard.  */
     77 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
     78 #endif
     79 
     80 #if ! defined _@GUARD_PREFIX@_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
     81 #define _@GUARD_PREFIX@_STDINT_H
     82 
     83 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
     84    IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
     85    AIX 5.2 <sys/types.h> isn't needed and causes troubles.
     86    Mac OS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
     87    relies on the system <stdint.h> definitions, so include
     88    <sys/types.h> after @NEXT_STDINT_H@.  */
     89 #if @HAVE_SYS_TYPES_H@ && ! defined _AIX
     90 # include <sys/types.h>
     91 #endif
     92 
     93 /* Get SCHAR_MIN, SCHAR_MAX, UCHAR_MAX, INT_MIN, INT_MAX,
     94    LONG_MIN, LONG_MAX, ULONG_MAX.  */
     95 #include <limits.h>
     96 
     97 #if @HAVE_INTTYPES_H@
     98   /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
     99      int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
    100      <inttypes.h> also defines intptr_t and uintptr_t.  */
    101 # include <inttypes.h>
    102 #elif @HAVE_SYS_INTTYPES_H@
    103   /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
    104      the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX.  */
    105 # include <sys/inttypes.h>
    106 #endif
    107 
    108 #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
    109   /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
    110      int{8,16,32,64}_t and __BIT_TYPES_DEFINED__.  In libc5 >= 5.2.2 it is
    111      included by <sys/types.h>.  */
    112 # include <sys/bitypes.h>
    113 #endif
    114 
    115 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
    116 
    117 /* Minimum and maximum values for an integer type under the usual assumption.
    118    Return an unspecified value if BITS == 0, adding a check to pacify
    119    picky compilers.  */
    120 
    121 #define _STDINT_MIN(signed, bits, zero) \
    122   ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
    123 
    124 #define _STDINT_MAX(signed, bits, zero) \
    125   ((signed) \
    126    ? ~ _STDINT_MIN (signed, bits, zero) \
    127    : /* The expression for the unsigned case.  The subtraction of (signed) \
    128         is a nop in the unsigned case and avoids "signed integer overflow" \
    129         warnings in the signed case.  */ \
    130      ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
    131 
    132 #if !GNULIB_defined_stdint_types
    133 
    134 /* 7.18.1.1. Exact-width integer types */
    135 
    136 /* Here we assume a standard architecture where the hardware integer
    137    types have 8, 16, 32, optionally 64 bits.  */
    138 
    139 #undef int8_t
    140 #undef uint8_t
    141 typedef signed char gl_int8_t;
    142 typedef unsigned char gl_uint8_t;
    143 #define int8_t gl_int8_t
    144 #define uint8_t gl_uint8_t
    145 
    146 #undef int16_t
    147 #undef uint16_t
    148 typedef short int gl_int16_t;
    149 typedef unsigned short int gl_uint16_t;
    150 #define int16_t gl_int16_t
    151 #define uint16_t gl_uint16_t
    152 
    153 #undef int32_t
    154 #undef uint32_t
    155 typedef int gl_int32_t;
    156 typedef unsigned int gl_uint32_t;
    157 #define int32_t gl_int32_t
    158 #define uint32_t gl_uint32_t
    159 
    160 /* If the system defines INT64_MAX, assume int64_t works.  That way,
    161    if the underlying platform defines int64_t to be a 64-bit long long
    162    int, the code below won't mistakenly define it to be a 64-bit long
    163    int, which would mess up C++ name mangling.  We must use #ifdef
    164    rather than #if, to avoid an error with HP-UX 10.20 cc.  */
    165 
    166 #ifdef INT64_MAX
    167 # define GL_INT64_T
    168 #else
    169 /* Do not undefine int64_t if gnulib is not being used with 64-bit
    170    types, since otherwise it breaks platforms like Tandem/NSK.  */
    171 # if LONG_MAX >> 31 >> 31 == 1
    172 #  undef int64_t
    173 typedef long int gl_int64_t;
    174 #  define int64_t gl_int64_t
    175 #  define GL_INT64_T
    176 # elif defined _MSC_VER
    177 #  undef int64_t
    178 typedef __int64 gl_int64_t;
    179 #  define int64_t gl_int64_t
    180 #  define GL_INT64_T
    181 # elif @HAVE_LONG_LONG_INT@
    182 #  undef int64_t
    183 typedef long long int gl_int64_t;
    184 #  define int64_t gl_int64_t
    185 #  define GL_INT64_T
    186 # endif
    187 #endif
    188 
    189 #ifdef UINT64_MAX
    190 # define GL_UINT64_T
    191 #else
    192 # if ULONG_MAX >> 31 >> 31 >> 1 == 1
    193 #  undef uint64_t
    194 typedef unsigned long int gl_uint64_t;
    195 #  define uint64_t gl_uint64_t
    196 #  define GL_UINT64_T
    197 # elif defined _MSC_VER
    198 #  undef uint64_t
    199 typedef unsigned __int64 gl_uint64_t;
    200 #  define uint64_t gl_uint64_t
    201 #  define GL_UINT64_T
    202 # elif @HAVE_UNSIGNED_LONG_LONG_INT@
    203 #  undef uint64_t
    204 typedef unsigned long long int gl_uint64_t;
    205 #  define uint64_t gl_uint64_t
    206 #  define GL_UINT64_T
    207 # endif
    208 #endif
    209 
    210 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc.  */
    211 #define _UINT8_T
    212 #define _UINT32_T
    213 #define _UINT64_T
    214 
    215 
    216 /* 7.18.1.2. Minimum-width integer types */
    217 
    218 /* Here we assume a standard architecture where the hardware integer
    219    types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
    220    are the same as the corresponding N_t types.  */
    221 
    222 #undef int_least8_t
    223 #undef uint_least8_t
    224 #undef int_least16_t
    225 #undef uint_least16_t
    226 #undef int_least32_t
    227 #undef uint_least32_t
    228 #undef int_least64_t
    229 #undef uint_least64_t
    230 #define int_least8_t int8_t
    231 #define uint_least8_t uint8_t
    232 #define int_least16_t int16_t
    233 #define uint_least16_t uint16_t
    234 #define int_least32_t int32_t
    235 #define uint_least32_t uint32_t
    236 #ifdef GL_INT64_T
    237 # define int_least64_t int64_t
    238 #endif
    239 #ifdef GL_UINT64_T
    240 # define uint_least64_t uint64_t
    241 #endif
    242 
    243 /* 7.18.1.3. Fastest minimum-width integer types */
    244 
    245 /* Note: Other <stdint.h> substitutes may define these types differently.
    246    It is not recommended to use these types in public header files. */
    247 
    248 /* Here we assume a standard architecture where the hardware integer
    249    types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
    250    are taken from the same list of types.  The following code normally
    251    uses types consistent with glibc, as that lessens the chance of
    252    incompatibility with older GNU hosts.  */
    253 
    254 #undef int_fast8_t
    255 #undef uint_fast8_t
    256 #undef int_fast16_t
    257 #undef uint_fast16_t
    258 #undef int_fast32_t
    259 #undef uint_fast32_t
    260 #undef int_fast64_t
    261 #undef uint_fast64_t
    262 typedef signed char gl_int_fast8_t;
    263 typedef unsigned char gl_uint_fast8_t;
    264 
    265 #ifdef __sun
    266 /* Define types compatible with SunOS 5.10, so that code compiled under
    267    earlier SunOS versions works with code compiled under SunOS 5.10.  */
    268 typedef int gl_int_fast32_t;
    269 typedef unsigned int gl_uint_fast32_t;
    270 #else
    271 typedef long int gl_int_fast32_t;
    272 typedef unsigned long int gl_uint_fast32_t;
    273 #endif
    274 typedef gl_int_fast32_t gl_int_fast16_t;
    275 typedef gl_uint_fast32_t gl_uint_fast16_t;
    276 
    277 #define int_fast8_t gl_int_fast8_t
    278 #define uint_fast8_t gl_uint_fast8_t
    279 #define int_fast16_t gl_int_fast16_t
    280 #define uint_fast16_t gl_uint_fast16_t
    281 #define int_fast32_t gl_int_fast32_t
    282 #define uint_fast32_t gl_uint_fast32_t
    283 #ifdef GL_INT64_T
    284 # define int_fast64_t int64_t
    285 #endif
    286 #ifdef GL_UINT64_T
    287 # define uint_fast64_t uint64_t
    288 #endif
    289 
    290 /* 7.18.1.4. Integer types capable of holding object pointers */
    291 
    292 #undef intptr_t
    293 #undef uintptr_t
    294 typedef long int gl_intptr_t;
    295 typedef unsigned long int gl_uintptr_t;
    296 #define intptr_t gl_intptr_t
    297 #define uintptr_t gl_uintptr_t
    298 
    299 /* 7.18.1.5. Greatest-width integer types */
    300 
    301 /* Note: These types are compiler dependent. It may be unwise to use them in
    302    public header files. */
    303 
    304 /* If the system defines INTMAX_MAX, assume that intmax_t works, and
    305    similarly for UINTMAX_MAX and uintmax_t.  This avoids problems with
    306    assuming one type where another is used by the system.  */
    307 
    308 #ifndef INTMAX_MAX
    309 # undef INTMAX_C
    310 # undef intmax_t
    311 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
    312 typedef long long int gl_intmax_t;
    313 #  define intmax_t gl_intmax_t
    314 # elif defined GL_INT64_T
    315 #  define intmax_t int64_t
    316 # else
    317 typedef long int gl_intmax_t;
    318 #  define intmax_t gl_intmax_t
    319 # endif
    320 #endif
    321 
    322 #ifndef UINTMAX_MAX
    323 # undef UINTMAX_C
    324 # undef uintmax_t
    325 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
    326 typedef unsigned long long int gl_uintmax_t;
    327 #  define uintmax_t gl_uintmax_t
    328 # elif defined GL_UINT64_T
    329 #  define uintmax_t uint64_t
    330 # else
    331 typedef unsigned long int gl_uintmax_t;
    332 #  define uintmax_t gl_uintmax_t
    333 # endif
    334 #endif
    335 
    336 /* Verify that intmax_t and uintmax_t have the same size.  Too much code
    337    breaks if this is not the case.  If this check fails, the reason is likely
    338    to be found in the autoconf macros.  */
    339 typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t)
    340                                 ? 1 : -1];
    341 
    342 #define GNULIB_defined_stdint_types 1
    343 #endif /* !GNULIB_defined_stdint_types */
    344 
    345 /* 7.18.2. Limits of specified-width integer types */
    346 
    347 /* 7.18.2.1. Limits of exact-width integer types */
    348 
    349 /* Here we assume a standard architecture where the hardware integer
    350    types have 8, 16, 32, optionally 64 bits.  */
    351 
    352 #undef INT8_MIN
    353 #undef INT8_MAX
    354 #undef UINT8_MAX
    355 #define INT8_MIN  (~ INT8_MAX)
    356 #define INT8_MAX  127
    357 #define UINT8_MAX  255
    358 
    359 #undef INT16_MIN
    360 #undef INT16_MAX
    361 #undef UINT16_MAX
    362 #define INT16_MIN  (~ INT16_MAX)
    363 #define INT16_MAX  32767
    364 #define UINT16_MAX  65535
    365 
    366 #undef INT32_MIN
    367 #undef INT32_MAX
    368 #undef UINT32_MAX
    369 #define INT32_MIN  (~ INT32_MAX)
    370 #define INT32_MAX  2147483647
    371 #define UINT32_MAX  4294967295U
    372 
    373 #if defined GL_INT64_T && ! defined INT64_MAX
    374 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
    375    evaluates the latter incorrectly in preprocessor expressions.  */
    376 # define INT64_MIN  (- INTMAX_C (1) << 63)
    377 # define INT64_MAX  INTMAX_C (9223372036854775807)
    378 #endif
    379 
    380 #if defined GL_UINT64_T && ! defined UINT64_MAX
    381 # define UINT64_MAX  UINTMAX_C (18446744073709551615)
    382 #endif
    383 
    384 /* 7.18.2.2. Limits of minimum-width integer types */
    385 
    386 /* Here we assume a standard architecture where the hardware integer
    387    types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
    388    are the same as the corresponding N_t types.  */
    389 
    390 #undef INT_LEAST8_MIN
    391 #undef INT_LEAST8_MAX
    392 #undef UINT_LEAST8_MAX
    393 #define INT_LEAST8_MIN  INT8_MIN
    394 #define INT_LEAST8_MAX  INT8_MAX
    395 #define UINT_LEAST8_MAX  UINT8_MAX
    396 
    397 #undef INT_LEAST16_MIN
    398 #undef INT_LEAST16_MAX
    399 #undef UINT_LEAST16_MAX
    400 #define INT_LEAST16_MIN  INT16_MIN
    401 #define INT_LEAST16_MAX  INT16_MAX
    402 #define UINT_LEAST16_MAX  UINT16_MAX
    403 
    404 #undef INT_LEAST32_MIN
    405 #undef INT_LEAST32_MAX
    406 #undef UINT_LEAST32_MAX
    407 #define INT_LEAST32_MIN  INT32_MIN
    408 #define INT_LEAST32_MAX  INT32_MAX
    409 #define UINT_LEAST32_MAX  UINT32_MAX
    410 
    411 #undef INT_LEAST64_MIN
    412 #undef INT_LEAST64_MAX
    413 #ifdef GL_INT64_T
    414 # define INT_LEAST64_MIN  INT64_MIN
    415 # define INT_LEAST64_MAX  INT64_MAX
    416 #endif
    417 
    418 #undef UINT_LEAST64_MAX
    419 #ifdef GL_UINT64_T
    420 # define UINT_LEAST64_MAX  UINT64_MAX
    421 #endif
    422 
    423 /* 7.18.2.3. Limits of fastest minimum-width integer types */
    424 
    425 /* Here we assume a standard architecture where the hardware integer
    426    types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
    427    are taken from the same list of types.  */
    428 
    429 #undef INT_FAST8_MIN
    430 #undef INT_FAST8_MAX
    431 #undef UINT_FAST8_MAX
    432 #define INT_FAST8_MIN  SCHAR_MIN
    433 #define INT_FAST8_MAX  SCHAR_MAX
    434 #define UINT_FAST8_MAX  UCHAR_MAX
    435 
    436 #undef INT_FAST16_MIN
    437 #undef INT_FAST16_MAX
    438 #undef UINT_FAST16_MAX
    439 #define INT_FAST16_MIN  INT_FAST32_MIN
    440 #define INT_FAST16_MAX  INT_FAST32_MAX
    441 #define UINT_FAST16_MAX  UINT_FAST32_MAX
    442 
    443 #undef INT_FAST32_MIN
    444 #undef INT_FAST32_MAX
    445 #undef UINT_FAST32_MAX
    446 #ifdef __sun
    447 # define INT_FAST32_MIN  INT_MIN
    448 # define INT_FAST32_MAX  INT_MAX
    449 # define UINT_FAST32_MAX  UINT_MAX
    450 #else
    451 # define INT_FAST32_MIN  LONG_MIN
    452 # define INT_FAST32_MAX  LONG_MAX
    453 # define UINT_FAST32_MAX  ULONG_MAX
    454 #endif
    455 
    456 #undef INT_FAST64_MIN
    457 #undef INT_FAST64_MAX
    458 #ifdef GL_INT64_T
    459 # define INT_FAST64_MIN  INT64_MIN
    460 # define INT_FAST64_MAX  INT64_MAX
    461 #endif
    462 
    463 #undef UINT_FAST64_MAX
    464 #ifdef GL_UINT64_T
    465 # define UINT_FAST64_MAX  UINT64_MAX
    466 #endif
    467 
    468 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
    469 
    470 #undef INTPTR_MIN
    471 #undef INTPTR_MAX
    472 #undef UINTPTR_MAX
    473 #define INTPTR_MIN  LONG_MIN
    474 #define INTPTR_MAX  LONG_MAX
    475 #define UINTPTR_MAX  ULONG_MAX
    476 
    477 /* 7.18.2.5. Limits of greatest-width integer types */
    478 
    479 #ifndef INTMAX_MAX
    480 # undef INTMAX_MIN
    481 # ifdef INT64_MAX
    482 #  define INTMAX_MIN  INT64_MIN
    483 #  define INTMAX_MAX  INT64_MAX
    484 # else
    485 #  define INTMAX_MIN  INT32_MIN
    486 #  define INTMAX_MAX  INT32_MAX
    487 # endif
    488 #endif
    489 
    490 #ifndef UINTMAX_MAX
    491 # ifdef UINT64_MAX
    492 #  define UINTMAX_MAX  UINT64_MAX
    493 # else
    494 #  define UINTMAX_MAX  UINT32_MAX
    495 # endif
    496 #endif
    497 
    498 /* 7.18.3. Limits of other integer types */
    499 
    500 /* ptrdiff_t limits */
    501 #undef PTRDIFF_MIN
    502 #undef PTRDIFF_MAX
    503 #if @APPLE_UNIVERSAL_BUILD@
    504 # ifdef _LP64
    505 #  define PTRDIFF_MIN  _STDINT_MIN (1, 64, 0l)
    506 #  define PTRDIFF_MAX  _STDINT_MAX (1, 64, 0l)
    507 # else
    508 #  define PTRDIFF_MIN  _STDINT_MIN (1, 32, 0)
    509 #  define PTRDIFF_MAX  _STDINT_MAX (1, 32, 0)
    510 # endif
    511 #else
    512 # define PTRDIFF_MIN  \
    513     _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
    514 # define PTRDIFF_MAX  \
    515     _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
    516 #endif
    517 
    518 /* sig_atomic_t limits */
    519 #undef SIG_ATOMIC_MIN
    520 #undef SIG_ATOMIC_MAX
    521 #define SIG_ATOMIC_MIN  \
    522    _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
    523                 0@SIG_ATOMIC_T_SUFFIX@)
    524 #define SIG_ATOMIC_MAX  \
    525    _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
    526                 0@SIG_ATOMIC_T_SUFFIX@)
    527 
    528 
    529 /* size_t limit */
    530 #undef SIZE_MAX
    531 #if @APPLE_UNIVERSAL_BUILD@
    532 # ifdef _LP64
    533 #  define SIZE_MAX  _STDINT_MAX (0, 64, 0ul)
    534 # else
    535 #  define SIZE_MAX  _STDINT_MAX (0, 32, 0ul)
    536 # endif
    537 #else
    538 # define SIZE_MAX  _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
    539 #endif
    540 
    541 /* wchar_t limits */
    542 /* Get WCHAR_MIN, WCHAR_MAX.
    543    This include is not on the top, above, because on OSF/1 4.0 we have a
    544    sequence of nested includes
    545    <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
    546    <stdint.h> and assumes its types are already defined.  */
    547 #if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
    548   /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
    549      included before <wchar.h>.  */
    550 # include <stddef.h>
    551 # include <stdio.h>
    552 # include <time.h>
    553 # define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
    554 # include <wchar.h>
    555 # undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
    556 #endif
    557 #undef WCHAR_MIN
    558 #undef WCHAR_MAX
    559 #define WCHAR_MIN  \
    560    _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
    561 #define WCHAR_MAX  \
    562    _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
    563 
    564 /* wint_t limits */
    565 #undef WINT_MIN
    566 #undef WINT_MAX
    567 #define WINT_MIN  \
    568    _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
    569 #define WINT_MAX  \
    570    _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
    571 
    572 /* 7.18.4. Macros for integer constants */
    573 
    574 /* 7.18.4.1. Macros for minimum-width integer constants */
    575 /* According to ISO C 99 Technical Corrigendum 1 */
    576 
    577 /* Here we assume a standard architecture where the hardware integer
    578    types have 8, 16, 32, optionally 64 bits, and int is 32 bits.  */
    579 
    580 #undef INT8_C
    581 #undef UINT8_C
    582 #define INT8_C(x) x
    583 #define UINT8_C(x) x
    584 
    585 #undef INT16_C
    586 #undef UINT16_C
    587 #define INT16_C(x) x
    588 #define UINT16_C(x) x
    589 
    590 #undef INT32_C
    591 #undef UINT32_C
    592 #define INT32_C(x) x
    593 #define UINT32_C(x) x ## U
    594 
    595 #undef INT64_C
    596 #undef UINT64_C
    597 #if LONG_MAX >> 31 >> 31 == 1
    598 # define INT64_C(x) x##L
    599 #elif defined _MSC_VER
    600 # define INT64_C(x) x##i64
    601 #elif @HAVE_LONG_LONG_INT@
    602 # define INT64_C(x) x##LL
    603 #endif
    604 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
    605 # define UINT64_C(x) x##UL
    606 #elif defined _MSC_VER
    607 # define UINT64_C(x) x##ui64
    608 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
    609 # define UINT64_C(x) x##ULL
    610 #endif
    611 
    612 /* 7.18.4.2. Macros for greatest-width integer constants */
    613 
    614 #ifndef INTMAX_C
    615 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
    616 #  define INTMAX_C(x)   x##LL
    617 # elif defined GL_INT64_T
    618 #  define INTMAX_C(x)   INT64_C(x)
    619 # else
    620 #  define INTMAX_C(x)   x##L
    621 # endif
    622 #endif
    623 
    624 #ifndef UINTMAX_C
    625 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
    626 #  define UINTMAX_C(x)  x##ULL
    627 # elif defined GL_UINT64_T
    628 #  define UINTMAX_C(x)  UINT64_C(x)
    629 # else
    630 #  define UINTMAX_C(x)  x##UL
    631 # endif
    632 #endif
    633 
    634 #endif /* _@GUARD_PREFIX@_STDINT_H */
    635 #endif /* !(defined __ANDROID__ && ...) */
    636 #endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */
    637