1 /* Copyright (C) 2001-2002, 2004-2010 Free Software Foundation, Inc.
2 Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
3 This file is part of gnulib.
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 2, or (at your option)
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.
15 You should have received a copy of the GNU 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. */
20 * ISO C 99 <stdint.h> for platforms that lack it.
21 * <http://www.opengroup.org/susv3xbd/stdint.h.html>
27 @PRAGMA_SYSTEM_HEADER@
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
35 #define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
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. */
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"
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 _GL_STDINT_H is defined.
56 The include_next requires a split double-inclusion guard. */
57 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
60 #if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
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>
73 /* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
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>
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>
94 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
96 /* Minimum and maximum values for a integer type under the usual assumption.
97 Return an unspecified value if BITS == 0, adding a check to pacify
100 #define _STDINT_MIN(signed, bits, zero) \
101 ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
103 #define _STDINT_MAX(signed, bits, zero) \
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)
111 /* 7.18.1.1. Exact-width integer types */
113 /* Here we assume a standard architecture where the hardware integer
114 types have 8, 16, 32, optionally 64 bits. */
118 typedef signed char gl_int8_t;
119 typedef unsigned char gl_uint8_t;
120 #define int8_t gl_int8_t
121 #define uint8_t gl_uint8_t
125 typedef short int gl_int16_t;
126 typedef unsigned short int gl_uint16_t;
127 #define int16_t gl_int16_t
128 #define uint16_t gl_uint16_t
132 typedef int gl_int32_t;
133 typedef unsigned int gl_uint32_t;
134 #define int32_t gl_int32_t
135 #define uint32_t gl_uint32_t
137 /* If the system defines INT64_MAX, assume int64_t works. That way,
138 if the underlying platform defines int64_t to be a 64-bit long long
139 int, the code below won't mistakenly define it to be a 64-bit long
140 int, which would mess up C++ name mangling. */
145 /* Do not undefine int64_t if gnulib is not being used with 64-bit
146 types, since otherwise it breaks platforms like Tandem/NSK. */
147 # if LONG_MAX >> 31 >> 31 == 1
149 typedef long int gl_int64_t;
150 # define int64_t gl_int64_t
152 # elif defined _MSC_VER
154 typedef __int64 gl_int64_t;
155 # define int64_t gl_int64_t
157 # elif @HAVE_LONG_LONG_INT@
159 typedef long long int gl_int64_t;
160 # define int64_t gl_int64_t
168 # if ULONG_MAX >> 31 >> 31 >> 1 == 1
170 typedef unsigned long int gl_uint64_t;
171 # define uint64_t gl_uint64_t
173 # elif defined _MSC_VER
175 typedef unsigned __int64 gl_uint64_t;
176 # define uint64_t gl_uint64_t
178 # elif @HAVE_UNSIGNED_LONG_LONG_INT@
180 typedef unsigned long long int gl_uint64_t;
181 # define uint64_t gl_uint64_t
186 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
192 /* 7.18.1.2. Minimum-width integer types */
194 /* Here we assume a standard architecture where the hardware integer
195 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
196 are the same as the corresponding N_t types. */
201 #undef uint_least16_t
203 #undef uint_least32_t
205 #undef uint_least64_t
206 #define int_least8_t int8_t
207 #define uint_least8_t uint8_t
208 #define int_least16_t int16_t
209 #define uint_least16_t uint16_t
210 #define int_least32_t int32_t
211 #define uint_least32_t uint32_t
213 # define int_least64_t int64_t
216 # define uint_least64_t uint64_t
219 /* 7.18.1.3. Fastest minimum-width integer types */
221 /* Note: Other <stdint.h> substitutes may define these types differently.
222 It is not recommended to use these types in public header files. */
224 /* Here we assume a standard architecture where the hardware integer
225 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
226 are taken from the same list of types. Assume that 'long int'
227 is fast enough for all narrower integers. */
237 typedef long int gl_int_fast8_t;
238 typedef unsigned long int gl_uint_fast8_t;
239 typedef long int gl_int_fast16_t;
240 typedef unsigned long int gl_uint_fast16_t;
241 typedef long int gl_int_fast32_t;
242 typedef unsigned long int gl_uint_fast32_t;
243 #define int_fast8_t gl_int_fast8_t
244 #define uint_fast8_t gl_uint_fast8_t
245 #define int_fast16_t gl_int_fast16_t
246 #define uint_fast16_t gl_uint_fast16_t
247 #define int_fast32_t gl_int_fast32_t
248 #define uint_fast32_t gl_uint_fast32_t
250 # define int_fast64_t int64_t
253 # define uint_fast64_t uint64_t
256 /* 7.18.1.4. Integer types capable of holding object pointers */
260 typedef long int gl_intptr_t;
261 typedef unsigned long int gl_uintptr_t;
262 #define intptr_t gl_intptr_t
263 #define uintptr_t gl_uintptr_t
265 /* 7.18.1.5. Greatest-width integer types */
267 /* Note: These types are compiler dependent. It may be unwise to use them in
268 public header files. */
271 #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
272 typedef long long int gl_intmax_t;
273 # define intmax_t gl_intmax_t
274 #elif defined GL_INT64_T
275 # define intmax_t int64_t
277 typedef long int gl_intmax_t;
278 # define intmax_t gl_intmax_t
282 #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
283 typedef unsigned long long int gl_uintmax_t;
284 # define uintmax_t gl_uintmax_t
285 #elif defined GL_UINT64_T
286 # define uintmax_t uint64_t
288 typedef unsigned long int gl_uintmax_t;
289 # define uintmax_t gl_uintmax_t
292 /* Verify that intmax_t and uintmax_t have the same size. Too much code
293 breaks if this is not the case. If this check fails, the reason is likely
294 to be found in the autoconf macros. */
295 typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t)
298 /* 7.18.2. Limits of specified-width integer types */
300 #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
302 /* 7.18.2.1. Limits of exact-width integer types */
304 /* Here we assume a standard architecture where the hardware integer
305 types have 8, 16, 32, optionally 64 bits. */
310 #define INT8_MIN (~ INT8_MAX)
312 #define UINT8_MAX 255
317 #define INT16_MIN (~ INT16_MAX)
318 #define INT16_MAX 32767
319 #define UINT16_MAX 65535
324 #define INT32_MIN (~ INT32_MAX)
325 #define INT32_MAX 2147483647
326 #define UINT32_MAX 4294967295U
328 #if defined GL_INT64_T && ! defined INT64_MAX
329 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
330 evaluates the latter incorrectly in preprocessor expressions. */
331 # define INT64_MIN (- INTMAX_C (1) << 63)
332 # define INT64_MAX INTMAX_C (9223372036854775807)
335 #if defined GL_UINT64_T && ! defined UINT64_MAX
336 # define UINT64_MAX UINTMAX_C (18446744073709551615)
339 /* 7.18.2.2. Limits of minimum-width integer types */
341 /* Here we assume a standard architecture where the hardware integer
342 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
343 are the same as the corresponding N_t types. */
345 #undef INT_LEAST8_MIN
346 #undef INT_LEAST8_MAX
347 #undef UINT_LEAST8_MAX
348 #define INT_LEAST8_MIN INT8_MIN
349 #define INT_LEAST8_MAX INT8_MAX
350 #define UINT_LEAST8_MAX UINT8_MAX
352 #undef INT_LEAST16_MIN
353 #undef INT_LEAST16_MAX
354 #undef UINT_LEAST16_MAX
355 #define INT_LEAST16_MIN INT16_MIN
356 #define INT_LEAST16_MAX INT16_MAX
357 #define UINT_LEAST16_MAX UINT16_MAX
359 #undef INT_LEAST32_MIN
360 #undef INT_LEAST32_MAX
361 #undef UINT_LEAST32_MAX
362 #define INT_LEAST32_MIN INT32_MIN
363 #define INT_LEAST32_MAX INT32_MAX
364 #define UINT_LEAST32_MAX UINT32_MAX
366 #undef INT_LEAST64_MIN
367 #undef INT_LEAST64_MAX
369 # define INT_LEAST64_MIN INT64_MIN
370 # define INT_LEAST64_MAX INT64_MAX
373 #undef UINT_LEAST64_MAX
375 # define UINT_LEAST64_MAX UINT64_MAX
378 /* 7.18.2.3. Limits of fastest minimum-width integer types */
380 /* Here we assume a standard architecture where the hardware integer
381 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
382 are taken from the same list of types. */
386 #undef UINT_FAST8_MAX
387 #define INT_FAST8_MIN LONG_MIN
388 #define INT_FAST8_MAX LONG_MAX
389 #define UINT_FAST8_MAX ULONG_MAX
391 #undef INT_FAST16_MIN
392 #undef INT_FAST16_MAX
393 #undef UINT_FAST16_MAX
394 #define INT_FAST16_MIN LONG_MIN
395 #define INT_FAST16_MAX LONG_MAX
396 #define UINT_FAST16_MAX ULONG_MAX
398 #undef INT_FAST32_MIN
399 #undef INT_FAST32_MAX
400 #undef UINT_FAST32_MAX
401 #define INT_FAST32_MIN LONG_MIN
402 #define INT_FAST32_MAX LONG_MAX
403 #define UINT_FAST32_MAX ULONG_MAX
405 #undef INT_FAST64_MIN
406 #undef INT_FAST64_MAX
408 # define INT_FAST64_MIN INT64_MIN
409 # define INT_FAST64_MAX INT64_MAX
412 #undef UINT_FAST64_MAX
414 # define UINT_FAST64_MAX UINT64_MAX
417 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
422 #define INTPTR_MIN LONG_MIN
423 #define INTPTR_MAX LONG_MAX
424 #define UINTPTR_MAX ULONG_MAX
426 /* 7.18.2.5. Limits of greatest-width integer types */
431 # define INTMAX_MIN INT64_MIN
432 # define INTMAX_MAX INT64_MAX
434 # define INTMAX_MIN INT32_MIN
435 # define INTMAX_MAX INT32_MAX
440 # define UINTMAX_MAX UINT64_MAX
442 # define UINTMAX_MAX UINT32_MAX
445 /* 7.18.3. Limits of other integer types */
447 /* ptrdiff_t limits */
450 #if @APPLE_UNIVERSAL_BUILD@
452 # define PTRDIFF_MIN _STDINT_MIN (1, 64, 0l)
453 # define PTRDIFF_MAX _STDINT_MAX (1, 64, 0l)
455 # define PTRDIFF_MIN _STDINT_MIN (1, 32, 0)
456 # define PTRDIFF_MAX _STDINT_MAX (1, 32, 0)
459 # define PTRDIFF_MIN \
460 _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
461 # define PTRDIFF_MAX \
462 _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
465 /* sig_atomic_t limits */
466 #undef SIG_ATOMIC_MIN
467 #undef SIG_ATOMIC_MAX
468 #define SIG_ATOMIC_MIN \
469 _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
470 0@SIG_ATOMIC_T_SUFFIX@)
471 #define SIG_ATOMIC_MAX \
472 _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
473 0@SIG_ATOMIC_T_SUFFIX@)
478 #if @APPLE_UNIVERSAL_BUILD@
480 # define SIZE_MAX _STDINT_MAX (0, 64, 0ul)
482 # define SIZE_MAX _STDINT_MAX (0, 32, 0ul)
485 # define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
489 /* Get WCHAR_MIN, WCHAR_MAX.
490 This include is not on the top, above, because on OSF/1 4.0 we have a
491 sequence of nested includes
492 <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
493 <stdint.h> and assumes its types are already defined. */
494 #if ! (defined WCHAR_MIN && defined WCHAR_MAX)
495 # define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
497 # undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
502 _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
504 _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
510 _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
512 _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
514 #endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
516 /* 7.18.4. Macros for integer constants */
518 #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
520 /* 7.18.4.1. Macros for minimum-width integer constants */
521 /* According to ISO C 99 Technical Corrigendum 1 */
523 /* Here we assume a standard architecture where the hardware integer
524 types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
534 #define UINT16_C(x) x
539 #define UINT32_C(x) x ## U
543 #if LONG_MAX >> 31 >> 31 == 1
544 # define INT64_C(x) x##L
545 #elif defined _MSC_VER
546 # define INT64_C(x) x##i64
547 #elif @HAVE_LONG_LONG_INT@
548 # define INT64_C(x) x##LL
550 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
551 # define UINT64_C(x) x##UL
552 #elif defined _MSC_VER
553 # define UINT64_C(x) x##ui64
554 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
555 # define UINT64_C(x) x##ULL
558 /* 7.18.4.2. Macros for greatest-width integer constants */
561 #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
562 # define INTMAX_C(x) x##LL
563 #elif defined GL_INT64_T
564 # define INTMAX_C(x) INT64_C(x)
566 # define INTMAX_C(x) x##L
570 #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
571 # define UINTMAX_C(x) x##ULL
572 #elif defined GL_UINT64_T
573 # define UINTMAX_C(x) UINT64_C(x)
575 # define UINTMAX_C(x) x##UL
578 #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
580 #endif /* _GL_STDINT_H */
581 #endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */