1 /* Copyright (C) 2001-2002, 2004-2015 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 3, 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, see <http://www.gnu.org/licenses/>. */
19 * ISO C 99 <stdint.h> for platforms that lack it.
20 * <http://www.opengroup.org/susv3xbd/stdint.h.html>
23 #ifndef _@GUARD_PREFIX@_STDINT_H
26 @PRAGMA_SYSTEM_HEADER@
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
34 #define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
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@
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. */
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"
61 /* Some pre-C++11 <stdint.h> implementations need this. */
63 # ifndef __STDC_CONSTANT_MACROS
64 # define __STDC_CONSTANT_MACROS 1
66 # ifndef __STDC_LIMIT_MACROS
67 # define __STDC_LIMIT_MACROS 1
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@
79 #if ! defined _@GUARD_PREFIX@_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
80 #define _@GUARD_PREFIX@_STDINT_H
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>
92 /* Get SCHAR_MIN, SCHAR_MAX, UCHAR_MAX, INT_MIN, INT_MAX,
93 LONG_MIN, LONG_MAX, ULONG_MAX. */
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>
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>
114 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
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
120 #define _STDINT_MIN(signed, bits, zero) \
121 ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
123 #define _STDINT_MAX(signed, bits, zero) \
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)
131 #if !GNULIB_defined_stdint_types
133 /* 7.18.1.1. Exact-width integer types */
135 /* Here we assume a standard architecture where the hardware integer
136 types have 8, 16, 32, optionally 64 bits. */
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
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
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
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. */
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
172 typedef long int gl_int64_t
;
173 # define int64_t gl_int64_t
175 # elif defined _MSC_VER
177 typedef __int64 gl_int64_t
;
178 # define int64_t gl_int64_t
180 # elif @HAVE_LONG_LONG_INT@
182 typedef long long int gl_int64_t
;
183 # define int64_t gl_int64_t
191 # if ULONG_MAX >> 31 >> 31 >> 1 == 1
193 typedef unsigned long int gl_uint64_t
;
194 # define uint64_t gl_uint64_t
196 # elif defined _MSC_VER
198 typedef unsigned __int64 gl_uint64_t
;
199 # define uint64_t gl_uint64_t
201 # elif @HAVE_UNSIGNED_LONG_LONG_INT@
203 typedef unsigned long long int gl_uint64_t
;
204 # define uint64_t gl_uint64_t
209 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
215 /* 7.18.1.2. Minimum-width integer types */
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. */
224 #undef uint_least16_t
226 #undef uint_least32_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
236 # define int_least64_t int64_t
239 # define uint_least64_t uint64_t
242 /* 7.18.1.3. Fastest minimum-width integer types */
244 /* Note: Other <stdint.h> substitutes may define these types differently.
245 It is not recommended to use these types in public header files. */
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. */
261 typedef signed char gl_int_fast8_t
;
262 typedef unsigned char gl_uint_fast8_t
;
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
;
270 typedef long int gl_int_fast32_t
;
271 typedef unsigned long int gl_uint_fast32_t
;
273 typedef gl_int_fast32_t gl_int_fast16_t
;
274 typedef gl_uint_fast32_t gl_uint_fast16_t
;
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
283 # define int_fast64_t int64_t
286 # define uint_fast64_t uint64_t
289 /* 7.18.1.4. Integer types capable of holding object pointers */
293 typedef long int gl_intptr_t
;
294 typedef unsigned long int gl_uintptr_t
;
295 #define intptr_t gl_intptr_t
296 #define uintptr_t gl_uintptr_t
298 /* 7.18.1.5. Greatest-width integer types */
300 /* Note: These types are compiler dependent. It may be unwise to use them in
301 public header files. */
303 /* If the system defines INTMAX_MAX, assume that intmax_t works, and
304 similarly for UINTMAX_MAX and uintmax_t. This avoids problems with
305 assuming one type where another is used by the system. */
310 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
311 typedef long long int gl_intmax_t
;
312 # define intmax_t gl_intmax_t
313 # elif defined GL_INT64_T
314 # define intmax_t int64_t
316 typedef long int gl_intmax_t
;
317 # define intmax_t gl_intmax_t
324 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
325 typedef unsigned long long int gl_uintmax_t
;
326 # define uintmax_t gl_uintmax_t
327 # elif defined GL_UINT64_T
328 # define uintmax_t uint64_t
330 typedef unsigned long int gl_uintmax_t
;
331 # define uintmax_t gl_uintmax_t
335 /* Verify that intmax_t and uintmax_t have the same size. Too much code
336 breaks if this is not the case. If this check fails, the reason is likely
337 to be found in the autoconf macros. */
338 typedef int _verify_intmax_size
[sizeof (intmax_t) == sizeof (uintmax_t)
341 #define GNULIB_defined_stdint_types 1
342 #endif /* !GNULIB_defined_stdint_types */
344 /* 7.18.2. Limits of specified-width integer types */
346 /* 7.18.2.1. Limits of exact-width integer types */
348 /* Here we assume a standard architecture where the hardware integer
349 types have 8, 16, 32, optionally 64 bits. */
354 #define INT8_MIN (~ INT8_MAX)
356 #define UINT8_MAX 255
361 #define INT16_MIN (~ INT16_MAX)
362 #define INT16_MAX 32767
363 #define UINT16_MAX 65535
368 #define INT32_MIN (~ INT32_MAX)
369 #define INT32_MAX 2147483647
370 #define UINT32_MAX 4294967295U
372 #if defined GL_INT64_T && ! defined INT64_MAX
373 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
374 evaluates the latter incorrectly in preprocessor expressions. */
375 # define INT64_MIN (- INTMAX_C (1) << 63)
376 # define INT64_MAX INTMAX_C (9223372036854775807)
379 #if defined GL_UINT64_T && ! defined UINT64_MAX
380 # define UINT64_MAX UINTMAX_C (18446744073709551615)
383 /* 7.18.2.2. Limits of minimum-width integer types */
385 /* Here we assume a standard architecture where the hardware integer
386 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
387 are the same as the corresponding N_t types. */
389 #undef INT_LEAST8_MIN
390 #undef INT_LEAST8_MAX
391 #undef UINT_LEAST8_MAX
392 #define INT_LEAST8_MIN INT8_MIN
393 #define INT_LEAST8_MAX INT8_MAX
394 #define UINT_LEAST8_MAX UINT8_MAX
396 #undef INT_LEAST16_MIN
397 #undef INT_LEAST16_MAX
398 #undef UINT_LEAST16_MAX
399 #define INT_LEAST16_MIN INT16_MIN
400 #define INT_LEAST16_MAX INT16_MAX
401 #define UINT_LEAST16_MAX UINT16_MAX
403 #undef INT_LEAST32_MIN
404 #undef INT_LEAST32_MAX
405 #undef UINT_LEAST32_MAX
406 #define INT_LEAST32_MIN INT32_MIN
407 #define INT_LEAST32_MAX INT32_MAX
408 #define UINT_LEAST32_MAX UINT32_MAX
410 #undef INT_LEAST64_MIN
411 #undef INT_LEAST64_MAX
413 # define INT_LEAST64_MIN INT64_MIN
414 # define INT_LEAST64_MAX INT64_MAX
417 #undef UINT_LEAST64_MAX
419 # define UINT_LEAST64_MAX UINT64_MAX
422 /* 7.18.2.3. Limits of fastest minimum-width integer types */
424 /* Here we assume a standard architecture where the hardware integer
425 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
426 are taken from the same list of types. */
430 #undef UINT_FAST8_MAX
431 #define INT_FAST8_MIN SCHAR_MIN
432 #define INT_FAST8_MAX SCHAR_MAX
433 #define UINT_FAST8_MAX UCHAR_MAX
435 #undef INT_FAST16_MIN
436 #undef INT_FAST16_MAX
437 #undef UINT_FAST16_MAX
438 #define INT_FAST16_MIN INT_FAST32_MIN
439 #define INT_FAST16_MAX INT_FAST32_MAX
440 #define UINT_FAST16_MAX UINT_FAST32_MAX
442 #undef INT_FAST32_MIN
443 #undef INT_FAST32_MAX
444 #undef UINT_FAST32_MAX
446 # define INT_FAST32_MIN INT_MIN
447 # define INT_FAST32_MAX INT_MAX
448 # define UINT_FAST32_MAX UINT_MAX
450 # define INT_FAST32_MIN LONG_MIN
451 # define INT_FAST32_MAX LONG_MAX
452 # define UINT_FAST32_MAX ULONG_MAX
455 #undef INT_FAST64_MIN
456 #undef INT_FAST64_MAX
458 # define INT_FAST64_MIN INT64_MIN
459 # define INT_FAST64_MAX INT64_MAX
462 #undef UINT_FAST64_MAX
464 # define UINT_FAST64_MAX UINT64_MAX
467 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
472 #define INTPTR_MIN LONG_MIN
473 #define INTPTR_MAX LONG_MAX
474 #define UINTPTR_MAX ULONG_MAX
476 /* 7.18.2.5. Limits of greatest-width integer types */
481 # define INTMAX_MIN INT64_MIN
482 # define INTMAX_MAX INT64_MAX
484 # define INTMAX_MIN INT32_MIN
485 # define INTMAX_MAX INT32_MAX
491 # define UINTMAX_MAX UINT64_MAX
493 # define UINTMAX_MAX UINT32_MAX
497 /* 7.18.3. Limits of other integer types */
499 /* ptrdiff_t limits */
502 #if @APPLE_UNIVERSAL_BUILD@
504 # define PTRDIFF_MIN _STDINT_MIN (1, 64, 0l)
505 # define PTRDIFF_MAX _STDINT_MAX (1, 64, 0l)
507 # define PTRDIFF_MIN _STDINT_MIN (1, 32, 0)
508 # define PTRDIFF_MAX _STDINT_MAX (1, 32, 0)
511 # define PTRDIFF_MIN \
512 _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
513 # define PTRDIFF_MAX \
514 _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
517 /* sig_atomic_t limits */
518 #undef SIG_ATOMIC_MIN
519 #undef SIG_ATOMIC_MAX
520 #define SIG_ATOMIC_MIN \
521 _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
522 0@SIG_ATOMIC_T_SUFFIX@)
523 #define SIG_ATOMIC_MAX \
524 _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
525 0@SIG_ATOMIC_T_SUFFIX@)
530 #if @APPLE_UNIVERSAL_BUILD@
532 # define SIZE_MAX _STDINT_MAX (0, 64, 0ul)
534 # define SIZE_MAX _STDINT_MAX (0, 32, 0ul)
537 # define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
541 /* Get WCHAR_MIN, WCHAR_MAX.
542 This include is not on the top, above, because on OSF/1 4.0 we have a
543 sequence of nested includes
544 <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
545 <stdint.h> and assumes its types are already defined. */
546 #if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
547 /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
548 included before <wchar.h>. */
552 # define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
554 # undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
559 _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
561 _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
567 _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
569 _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
571 /* 7.18.4. Macros for integer constants */
573 /* 7.18.4.1. Macros for minimum-width integer constants */
574 /* According to ISO C 99 Technical Corrigendum 1 */
576 /* Here we assume a standard architecture where the hardware integer
577 types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
587 #define UINT16_C(x) x
592 #define UINT32_C(x) x ## U
596 #if LONG_MAX >> 31 >> 31 == 1
597 # define INT64_C(x) x##L
598 #elif defined _MSC_VER
599 # define INT64_C(x) x##i64
600 #elif @HAVE_LONG_LONG_INT@
601 # define INT64_C(x) x##LL
603 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
604 # define UINT64_C(x) x##UL
605 #elif defined _MSC_VER
606 # define UINT64_C(x) x##ui64
607 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
608 # define UINT64_C(x) x##ULL
611 /* 7.18.4.2. Macros for greatest-width integer constants */
614 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
615 # define INTMAX_C(x) x##LL
616 # elif defined GL_INT64_T
617 # define INTMAX_C(x) INT64_C(x)
619 # define INTMAX_C(x) x##L
624 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
625 # define UINTMAX_C(x) x##ULL
626 # elif defined GL_UINT64_T
627 # define UINTMAX_C(x) UINT64_C(x)
629 # define UINTMAX_C(x) x##UL
633 #endif /* _@GUARD_PREFIX@_STDINT_H */
634 #endif /* !(defined __ANDROID__ && ...) */
635 #endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */