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.
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>
24 #ifndef _@GUARD_PREFIX@_STDINT_H
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 /* On Android (Bionic libc), <sys/types.h> includes this file before
38 having defined 'time_t'. Therefore in this case avoid including
39 other system header files; just include the system's <stdint.h>.
40 Ideally we should test __BIONIC__ here, but it is only defined after
41 <sys/cdefs.h> has been included; hence test __ANDROID__ instead. */
42 #if defined __ANDROID__ \
43 && defined _SYS_TYPES_H_ && !defined _SSIZE_T_DEFINED_
44 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
47 /* Get those types that are already defined in other system include
48 files, so that we can "#define int8_t signed char" below without
49 worrying about a later system include file containing a "typedef
50 signed char int8_t;" that will get messed up by our macro. Our
51 macros should all be consistent with the system versions, except
52 for the "fast" types and macros, which we recommend against using
53 in public interfaces due to compiler differences. */
56 # if defined __sgi && ! defined __c99
57 /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
58 with "This header file is to be used only for c99 mode compilations"
63 /* Some pre-C++11 <stdint.h> implementations need this. */
65 # ifndef __STDC_CONSTANT_MACROS
66 # define __STDC_CONSTANT_MACROS 1
68 # ifndef __STDC_LIMIT_MACROS
69 # define __STDC_LIMIT_MACROS 1
73 /* Other systems may have an incomplete or buggy <stdint.h>.
74 Include it before <inttypes.h>, since any "#include <stdint.h>"
75 in <inttypes.h> would reinclude us, skipping our contents because
76 _@GUARD_PREFIX@_STDINT_H is defined.
77 The include_next requires a split double-inclusion guard. */
78 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
81 #if ! defined _@GUARD_PREFIX@_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
82 #define _@GUARD_PREFIX@_STDINT_H
84 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
85 IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
86 AIX 5.2 <sys/types.h> isn't needed and causes troubles.
87 MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
88 relies on the system <stdint.h> definitions, so include
89 <sys/types.h> after @NEXT_STDINT_H@. */
90 #if @HAVE_SYS_TYPES_H@ && ! defined _AIX
91 # include <sys/types.h>
94 /* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
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>
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>
115 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
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
121 #define _STDINT_MIN(signed, bits, zero) \
122 ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
124 #define _STDINT_MAX(signed, bits, zero) \
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)
132 #if !GNULIB_defined_stdint_types
134 /* 7.18.1.1. Exact-width integer types */
136 /* Here we assume a standard architecture where the hardware integer
137 types have 8, 16, 32, optionally 64 bits. */
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
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
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
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. */
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
173 typedef long int gl_int64_t;
174 # define int64_t gl_int64_t
176 # elif defined _MSC_VER
178 typedef __int64 gl_int64_t;
179 # define int64_t gl_int64_t
181 # elif @HAVE_LONG_LONG_INT@
183 typedef long long int gl_int64_t;
184 # define int64_t gl_int64_t
192 # if ULONG_MAX >> 31 >> 31 >> 1 == 1
194 typedef unsigned long int gl_uint64_t;
195 # define uint64_t gl_uint64_t
197 # elif defined _MSC_VER
199 typedef unsigned __int64 gl_uint64_t;
200 # define uint64_t gl_uint64_t
202 # elif @HAVE_UNSIGNED_LONG_LONG_INT@
204 typedef unsigned long long int gl_uint64_t;
205 # define uint64_t gl_uint64_t
210 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
216 /* 7.18.1.2. Minimum-width integer types */
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. */
225 #undef uint_least16_t
227 #undef uint_least32_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
237 # define int_least64_t int64_t
240 # define uint_least64_t uint64_t
243 /* 7.18.1.3. Fastest minimum-width integer types */
245 /* Note: Other <stdint.h> substitutes may define these types differently.
246 It is not recommended to use these types in public header files. */
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. Assume that 'long int'
251 is fast enough for all narrower integers. */
261 typedef long int gl_int_fast8_t;
262 typedef unsigned long int gl_uint_fast8_t;
263 typedef long int gl_int_fast16_t;
264 typedef unsigned long int gl_uint_fast16_t;
265 typedef long int gl_int_fast32_t;
266 typedef unsigned long int gl_uint_fast32_t;
267 #define int_fast8_t gl_int_fast8_t
268 #define uint_fast8_t gl_uint_fast8_t
269 #define int_fast16_t gl_int_fast16_t
270 #define uint_fast16_t gl_uint_fast16_t
271 #define int_fast32_t gl_int_fast32_t
272 #define uint_fast32_t gl_uint_fast32_t
274 # define int_fast64_t int64_t
277 # define uint_fast64_t uint64_t
280 /* 7.18.1.4. Integer types capable of holding object pointers */
284 typedef long int gl_intptr_t;
285 typedef unsigned long int gl_uintptr_t;
286 #define intptr_t gl_intptr_t
287 #define uintptr_t gl_uintptr_t
289 /* 7.18.1.5. Greatest-width integer types */
291 /* Note: These types are compiler dependent. It may be unwise to use them in
292 public header files. */
294 /* If the system defines INTMAX_MAX, assume that intmax_t works, and
295 similarly for UINTMAX_MAX and uintmax_t. This avoids problems with
296 assuming one type where another is used by the system. */
301 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
302 typedef long long int gl_intmax_t;
303 # define intmax_t gl_intmax_t
304 # elif defined GL_INT64_T
305 # define intmax_t int64_t
307 typedef long int gl_intmax_t;
308 # define intmax_t gl_intmax_t
315 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
316 typedef unsigned long long int gl_uintmax_t;
317 # define uintmax_t gl_uintmax_t
318 # elif defined GL_UINT64_T
319 # define uintmax_t uint64_t
321 typedef unsigned long int gl_uintmax_t;
322 # define uintmax_t gl_uintmax_t
326 /* Verify that intmax_t and uintmax_t have the same size. Too much code
327 breaks if this is not the case. If this check fails, the reason is likely
328 to be found in the autoconf macros. */
329 typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t)
332 #define GNULIB_defined_stdint_types 1
333 #endif /* !GNULIB_defined_stdint_types */
335 /* 7.18.2. Limits of specified-width integer types */
337 /* 7.18.2.1. Limits of exact-width integer types */
339 /* Here we assume a standard architecture where the hardware integer
340 types have 8, 16, 32, optionally 64 bits. */
345 #define INT8_MIN (~ INT8_MAX)
347 #define UINT8_MAX 255
352 #define INT16_MIN (~ INT16_MAX)
353 #define INT16_MAX 32767
354 #define UINT16_MAX 65535
359 #define INT32_MIN (~ INT32_MAX)
360 #define INT32_MAX 2147483647
361 #define UINT32_MAX 4294967295U
363 #if defined GL_INT64_T && ! defined INT64_MAX
364 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
365 evaluates the latter incorrectly in preprocessor expressions. */
366 # define INT64_MIN (- INTMAX_C (1) << 63)
367 # define INT64_MAX INTMAX_C (9223372036854775807)
370 #if defined GL_UINT64_T && ! defined UINT64_MAX
371 # define UINT64_MAX UINTMAX_C (18446744073709551615)
374 /* 7.18.2.2. Limits of minimum-width integer types */
376 /* Here we assume a standard architecture where the hardware integer
377 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
378 are the same as the corresponding N_t types. */
380 #undef INT_LEAST8_MIN
381 #undef INT_LEAST8_MAX
382 #undef UINT_LEAST8_MAX
383 #define INT_LEAST8_MIN INT8_MIN
384 #define INT_LEAST8_MAX INT8_MAX
385 #define UINT_LEAST8_MAX UINT8_MAX
387 #undef INT_LEAST16_MIN
388 #undef INT_LEAST16_MAX
389 #undef UINT_LEAST16_MAX
390 #define INT_LEAST16_MIN INT16_MIN
391 #define INT_LEAST16_MAX INT16_MAX
392 #define UINT_LEAST16_MAX UINT16_MAX
394 #undef INT_LEAST32_MIN
395 #undef INT_LEAST32_MAX
396 #undef UINT_LEAST32_MAX
397 #define INT_LEAST32_MIN INT32_MIN
398 #define INT_LEAST32_MAX INT32_MAX
399 #define UINT_LEAST32_MAX UINT32_MAX
401 #undef INT_LEAST64_MIN
402 #undef INT_LEAST64_MAX
404 # define INT_LEAST64_MIN INT64_MIN
405 # define INT_LEAST64_MAX INT64_MAX
408 #undef UINT_LEAST64_MAX
410 # define UINT_LEAST64_MAX UINT64_MAX
413 /* 7.18.2.3. Limits of fastest minimum-width integer types */
415 /* Here we assume a standard architecture where the hardware integer
416 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
417 are taken from the same list of types. */
421 #undef UINT_FAST8_MAX
422 #define INT_FAST8_MIN LONG_MIN
423 #define INT_FAST8_MAX LONG_MAX
424 #define UINT_FAST8_MAX ULONG_MAX
426 #undef INT_FAST16_MIN
427 #undef INT_FAST16_MAX
428 #undef UINT_FAST16_MAX
429 #define INT_FAST16_MIN LONG_MIN
430 #define INT_FAST16_MAX LONG_MAX
431 #define UINT_FAST16_MAX ULONG_MAX
433 #undef INT_FAST32_MIN
434 #undef INT_FAST32_MAX
435 #undef UINT_FAST32_MAX
436 #define INT_FAST32_MIN LONG_MIN
437 #define INT_FAST32_MAX LONG_MAX
438 #define UINT_FAST32_MAX ULONG_MAX
440 #undef INT_FAST64_MIN
441 #undef INT_FAST64_MAX
443 # define INT_FAST64_MIN INT64_MIN
444 # define INT_FAST64_MAX INT64_MAX
447 #undef UINT_FAST64_MAX
449 # define UINT_FAST64_MAX UINT64_MAX
452 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
457 #define INTPTR_MIN LONG_MIN
458 #define INTPTR_MAX LONG_MAX
459 #define UINTPTR_MAX ULONG_MAX
461 /* 7.18.2.5. Limits of greatest-width integer types */
466 # define INTMAX_MIN INT64_MIN
467 # define INTMAX_MAX INT64_MAX
469 # define INTMAX_MIN INT32_MIN
470 # define INTMAX_MAX INT32_MAX
476 # define UINTMAX_MAX UINT64_MAX
478 # define UINTMAX_MAX UINT32_MAX
482 /* 7.18.3. Limits of other integer types */
484 /* ptrdiff_t limits */
487 #if @APPLE_UNIVERSAL_BUILD@
489 # define PTRDIFF_MIN _STDINT_MIN (1, 64, 0l)
490 # define PTRDIFF_MAX _STDINT_MAX (1, 64, 0l)
492 # define PTRDIFF_MIN _STDINT_MIN (1, 32, 0)
493 # define PTRDIFF_MAX _STDINT_MAX (1, 32, 0)
496 # define PTRDIFF_MIN \
497 _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
498 # define PTRDIFF_MAX \
499 _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
502 /* sig_atomic_t limits */
503 #undef SIG_ATOMIC_MIN
504 #undef SIG_ATOMIC_MAX
505 #define SIG_ATOMIC_MIN \
506 _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
507 0@SIG_ATOMIC_T_SUFFIX@)
508 #define SIG_ATOMIC_MAX \
509 _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
510 0@SIG_ATOMIC_T_SUFFIX@)
515 #if @APPLE_UNIVERSAL_BUILD@
517 # define SIZE_MAX _STDINT_MAX (0, 64, 0ul)
519 # define SIZE_MAX _STDINT_MAX (0, 32, 0ul)
522 # define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
526 /* Get WCHAR_MIN, WCHAR_MAX.
527 This include is not on the top, above, because on OSF/1 4.0 we have a
528 sequence of nested includes
529 <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
530 <stdint.h> and assumes its types are already defined. */
531 #if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
532 /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
533 included before <wchar.h>. */
537 # define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
539 # undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
544 _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
546 _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
552 _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
554 _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
556 /* 7.18.4. Macros for integer constants */
558 /* 7.18.4.1. Macros for minimum-width integer constants */
559 /* According to ISO C 99 Technical Corrigendum 1 */
561 /* Here we assume a standard architecture where the hardware integer
562 types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
572 #define UINT16_C(x) x
577 #define UINT32_C(x) x ## U
581 #if LONG_MAX >> 31 >> 31 == 1
582 # define INT64_C(x) x##L
583 #elif defined _MSC_VER
584 # define INT64_C(x) x##i64
585 #elif @HAVE_LONG_LONG_INT@
586 # define INT64_C(x) x##LL
588 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
589 # define UINT64_C(x) x##UL
590 #elif defined _MSC_VER
591 # define UINT64_C(x) x##ui64
592 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
593 # define UINT64_C(x) x##ULL
596 /* 7.18.4.2. Macros for greatest-width integer constants */
599 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
600 # define INTMAX_C(x) x##LL
601 # elif defined GL_INT64_T
602 # define INTMAX_C(x) INT64_C(x)
604 # define INTMAX_C(x) x##L
609 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
610 # define UINTMAX_C(x) x##ULL
611 # elif defined GL_UINT64_T
612 # define UINTMAX_C(x) UINT64_C(x)
614 # define UINTMAX_C(x) x##UL
618 #endif /* _@GUARD_PREFIX@_STDINT_H */
619 #endif /* !(defined __ANDROID__ && ...) */
620 #endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */