1 /* Copyright (C) 2001-2002, 2004-2013 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__ \
42 && defined _SYS_TYPES_H_ && !defined __need_size_t
43 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
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. */
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"
62 /* Some pre-C++11 <stdint.h> implementations need this. */
64 # ifndef __STDC_CONSTANT_MACROS
65 # define __STDC_CONSTANT_MACROS 1
67 # ifndef __STDC_LIMIT_MACROS
68 # define __STDC_LIMIT_MACROS 1
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@
80 #if ! defined _@GUARD_PREFIX@_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
81 #define _@GUARD_PREFIX@_STDINT_H
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>
93 /* Get SCHAR_MIN, SCHAR_MAX, UCHAR_MAX, INT_MIN, INT_MAX,
94 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. The following code normally
251 uses types consistent with glibc, as that lessens the chance of
252 incompatibility with older GNU hosts. */
262 typedef signed char gl_int_fast8_t
;
263 typedef unsigned char gl_uint_fast8_t
;
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
;
271 typedef long int gl_int_fast32_t
;
272 typedef unsigned long int gl_uint_fast32_t
;
274 typedef gl_int_fast32_t gl_int_fast16_t
;
275 typedef gl_uint_fast32_t gl_uint_fast16_t
;
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
284 # define int_fast64_t int64_t
287 # define uint_fast64_t uint64_t
290 /* 7.18.1.4. Integer types capable of holding object pointers */
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
299 /* 7.18.1.5. Greatest-width integer types */
301 /* Note: These types are compiler dependent. It may be unwise to use them in
302 public header files. */
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. */
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
317 typedef long int gl_intmax_t
;
318 # define intmax_t gl_intmax_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
331 typedef unsigned long int gl_uintmax_t
;
332 # define uintmax_t gl_uintmax_t
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)
342 #define GNULIB_defined_stdint_types 1
343 #endif /* !GNULIB_defined_stdint_types */
345 /* 7.18.2. Limits of specified-width integer types */
347 /* 7.18.2.1. Limits of exact-width integer types */
349 /* Here we assume a standard architecture where the hardware integer
350 types have 8, 16, 32, optionally 64 bits. */
355 #define INT8_MIN (~ INT8_MAX)
357 #define UINT8_MAX 255
362 #define INT16_MIN (~ INT16_MAX)
363 #define INT16_MAX 32767
364 #define UINT16_MAX 65535
369 #define INT32_MIN (~ INT32_MAX)
370 #define INT32_MAX 2147483647
371 #define UINT32_MAX 4294967295U
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)
380 #if defined GL_UINT64_T && ! defined UINT64_MAX
381 # define UINT64_MAX UINTMAX_C (18446744073709551615)
384 /* 7.18.2.2. Limits of minimum-width integer types */
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. */
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
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
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
411 #undef INT_LEAST64_MIN
412 #undef INT_LEAST64_MAX
414 # define INT_LEAST64_MIN INT64_MIN
415 # define INT_LEAST64_MAX INT64_MAX
418 #undef UINT_LEAST64_MAX
420 # define UINT_LEAST64_MAX UINT64_MAX
423 /* 7.18.2.3. Limits of fastest minimum-width integer types */
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. */
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
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
443 #undef INT_FAST32_MIN
444 #undef INT_FAST32_MAX
445 #undef UINT_FAST32_MAX
447 # define INT_FAST32_MIN INT_MIN
448 # define INT_FAST32_MAX INT_MAX
449 # define UINT_FAST32_MAX UINT_MAX
451 # define INT_FAST32_MIN LONG_MIN
452 # define INT_FAST32_MAX LONG_MAX
453 # define UINT_FAST32_MAX ULONG_MAX
456 #undef INT_FAST64_MIN
457 #undef INT_FAST64_MAX
459 # define INT_FAST64_MIN INT64_MIN
460 # define INT_FAST64_MAX INT64_MAX
463 #undef UINT_FAST64_MAX
465 # define UINT_FAST64_MAX UINT64_MAX
468 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
473 #define INTPTR_MIN LONG_MIN
474 #define INTPTR_MAX LONG_MAX
475 #define UINTPTR_MAX ULONG_MAX
477 /* 7.18.2.5. Limits of greatest-width integer types */
482 # define INTMAX_MIN INT64_MIN
483 # define INTMAX_MAX INT64_MAX
485 # define INTMAX_MIN INT32_MIN
486 # define INTMAX_MAX INT32_MAX
492 # define UINTMAX_MAX UINT64_MAX
494 # define UINTMAX_MAX UINT32_MAX
498 /* 7.18.3. Limits of other integer types */
500 /* ptrdiff_t limits */
503 #if @APPLE_UNIVERSAL_BUILD@
505 # define PTRDIFF_MIN _STDINT_MIN (1, 64, 0l)
506 # define PTRDIFF_MAX _STDINT_MAX (1, 64, 0l)
508 # define PTRDIFF_MIN _STDINT_MIN (1, 32, 0)
509 # define PTRDIFF_MAX _STDINT_MAX (1, 32, 0)
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@)
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@)
531 #if @APPLE_UNIVERSAL_BUILD@
533 # define SIZE_MAX _STDINT_MAX (0, 64, 0ul)
535 # define SIZE_MAX _STDINT_MAX (0, 32, 0ul)
538 # define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
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>. */
553 # define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
555 # undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
560 _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
562 _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
568 _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
570 _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
572 /* 7.18.4. Macros for integer constants */
574 /* 7.18.4.1. Macros for minimum-width integer constants */
575 /* According to ISO C 99 Technical Corrigendum 1 */
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. */
588 #define UINT16_C(x) x
593 #define UINT32_C(x) x ## U
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
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
612 /* 7.18.4.2. Macros for greatest-width integer constants */
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)
620 # define INTMAX_C(x) x##L
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)
630 # define UINTMAX_C(x) x##UL
634 #endif /* _@GUARD_PREFIX@_STDINT_H */
635 #endif /* !(defined __ANDROID__ && ...) */
636 #endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */