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 #if defined __BIONIC__ \
41 && defined _SYS_TYPES_H_ && !defined _SSIZE_T_DEFINED_
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 MacOS 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 LONG_MIN, LONG_MAX, ULONG_MAX. */
96 /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
97 int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
98 <inttypes.h> also defines intptr_t and uintptr_t. */
99 # include <inttypes.h>
100 #elif @HAVE_SYS_INTTYPES_H@
101 /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
102 the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
103 # include <sys/inttypes.h>
106 #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
107 /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
108 int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
109 included by <sys/types.h>. */
110 # include <sys/bitypes.h>
113 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
115 /* Minimum and maximum values for an integer type under the usual assumption.
116 Return an unspecified value if BITS == 0, adding a check to pacify
119 #define _STDINT_MIN(signed, bits, zero) \
120 ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
122 #define _STDINT_MAX(signed, bits, zero) \
124 ? ~ _STDINT_MIN (signed, bits, zero) \
125 : /* The expression for the unsigned case. The subtraction of (signed) \
126 is a nop in the unsigned case and avoids "signed integer overflow" \
127 warnings in the signed case. */ \
128 ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
130 #if !GNULIB_defined_stdint_types
132 /* 7.18.1.1. Exact-width integer types */
134 /* Here we assume a standard architecture where the hardware integer
135 types have 8, 16, 32, optionally 64 bits. */
139 typedef signed char gl_int8_t;
140 typedef unsigned char gl_uint8_t;
141 #define int8_t gl_int8_t
142 #define uint8_t gl_uint8_t
146 typedef short int gl_int16_t;
147 typedef unsigned short int gl_uint16_t;
148 #define int16_t gl_int16_t
149 #define uint16_t gl_uint16_t
153 typedef int gl_int32_t;
154 typedef unsigned int gl_uint32_t;
155 #define int32_t gl_int32_t
156 #define uint32_t gl_uint32_t
158 /* If the system defines INT64_MAX, assume int64_t works. That way,
159 if the underlying platform defines int64_t to be a 64-bit long long
160 int, the code below won't mistakenly define it to be a 64-bit long
161 int, which would mess up C++ name mangling. We must use #ifdef
162 rather than #if, to avoid an error with HP-UX 10.20 cc. */
167 /* Do not undefine int64_t if gnulib is not being used with 64-bit
168 types, since otherwise it breaks platforms like Tandem/NSK. */
169 # if LONG_MAX >> 31 >> 31 == 1
171 typedef long int gl_int64_t;
172 # define int64_t gl_int64_t
174 # elif defined _MSC_VER
176 typedef __int64 gl_int64_t;
177 # define int64_t gl_int64_t
179 # elif @HAVE_LONG_LONG_INT@
181 typedef long long int gl_int64_t;
182 # define int64_t gl_int64_t
190 # if ULONG_MAX >> 31 >> 31 >> 1 == 1
192 typedef unsigned long int gl_uint64_t;
193 # define uint64_t gl_uint64_t
195 # elif defined _MSC_VER
197 typedef unsigned __int64 gl_uint64_t;
198 # define uint64_t gl_uint64_t
200 # elif @HAVE_UNSIGNED_LONG_LONG_INT@
202 typedef unsigned long long int gl_uint64_t;
203 # define uint64_t gl_uint64_t
208 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
214 /* 7.18.1.2. Minimum-width integer types */
216 /* Here we assume a standard architecture where the hardware integer
217 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
218 are the same as the corresponding N_t types. */
223 #undef uint_least16_t
225 #undef uint_least32_t
227 #undef uint_least64_t
228 #define int_least8_t int8_t
229 #define uint_least8_t uint8_t
230 #define int_least16_t int16_t
231 #define uint_least16_t uint16_t
232 #define int_least32_t int32_t
233 #define uint_least32_t uint32_t
235 # define int_least64_t int64_t
238 # define uint_least64_t uint64_t
241 /* 7.18.1.3. Fastest minimum-width integer types */
243 /* Note: Other <stdint.h> substitutes may define these types differently.
244 It is not recommended to use these types in public header files. */
246 /* Here we assume a standard architecture where the hardware integer
247 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
248 are taken from the same list of types. Assume that 'long int'
249 is fast enough for all narrower integers. */
259 typedef long int gl_int_fast8_t;
260 typedef unsigned long int gl_uint_fast8_t;
261 typedef long int gl_int_fast16_t;
262 typedef unsigned long int gl_uint_fast16_t;
263 typedef long int gl_int_fast32_t;
264 typedef unsigned long int gl_uint_fast32_t;
265 #define int_fast8_t gl_int_fast8_t
266 #define uint_fast8_t gl_uint_fast8_t
267 #define int_fast16_t gl_int_fast16_t
268 #define uint_fast16_t gl_uint_fast16_t
269 #define int_fast32_t gl_int_fast32_t
270 #define uint_fast32_t gl_uint_fast32_t
272 # define int_fast64_t int64_t
275 # define uint_fast64_t uint64_t
278 /* 7.18.1.4. Integer types capable of holding object pointers */
282 typedef long int gl_intptr_t;
283 typedef unsigned long int gl_uintptr_t;
284 #define intptr_t gl_intptr_t
285 #define uintptr_t gl_uintptr_t
287 /* 7.18.1.5. Greatest-width integer types */
289 /* Note: These types are compiler dependent. It may be unwise to use them in
290 public header files. */
292 /* If the system defines INTMAX_MAX, assume that intmax_t works, and
293 similarly for UINTMAX_MAX and uintmax_t. This avoids problems with
294 assuming one type where another is used by the system. */
299 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
300 typedef long long int gl_intmax_t;
301 # define intmax_t gl_intmax_t
302 # elif defined GL_INT64_T
303 # define intmax_t int64_t
305 typedef long int gl_intmax_t;
306 # define intmax_t gl_intmax_t
313 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
314 typedef unsigned long long int gl_uintmax_t;
315 # define uintmax_t gl_uintmax_t
316 # elif defined GL_UINT64_T
317 # define uintmax_t uint64_t
319 typedef unsigned long int gl_uintmax_t;
320 # define uintmax_t gl_uintmax_t
324 /* Verify that intmax_t and uintmax_t have the same size. Too much code
325 breaks if this is not the case. If this check fails, the reason is likely
326 to be found in the autoconf macros. */
327 typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t)
330 #define GNULIB_defined_stdint_types 1
331 #endif /* !GNULIB_defined_stdint_types */
333 /* 7.18.2. Limits of specified-width integer types */
335 /* 7.18.2.1. Limits of exact-width integer types */
337 /* Here we assume a standard architecture where the hardware integer
338 types have 8, 16, 32, optionally 64 bits. */
343 #define INT8_MIN (~ INT8_MAX)
345 #define UINT8_MAX 255
350 #define INT16_MIN (~ INT16_MAX)
351 #define INT16_MAX 32767
352 #define UINT16_MAX 65535
357 #define INT32_MIN (~ INT32_MAX)
358 #define INT32_MAX 2147483647
359 #define UINT32_MAX 4294967295U
361 #if defined GL_INT64_T && ! defined INT64_MAX
362 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
363 evaluates the latter incorrectly in preprocessor expressions. */
364 # define INT64_MIN (- INTMAX_C (1) << 63)
365 # define INT64_MAX INTMAX_C (9223372036854775807)
368 #if defined GL_UINT64_T && ! defined UINT64_MAX
369 # define UINT64_MAX UINTMAX_C (18446744073709551615)
372 /* 7.18.2.2. Limits of minimum-width integer types */
374 /* Here we assume a standard architecture where the hardware integer
375 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
376 are the same as the corresponding N_t types. */
378 #undef INT_LEAST8_MIN
379 #undef INT_LEAST8_MAX
380 #undef UINT_LEAST8_MAX
381 #define INT_LEAST8_MIN INT8_MIN
382 #define INT_LEAST8_MAX INT8_MAX
383 #define UINT_LEAST8_MAX UINT8_MAX
385 #undef INT_LEAST16_MIN
386 #undef INT_LEAST16_MAX
387 #undef UINT_LEAST16_MAX
388 #define INT_LEAST16_MIN INT16_MIN
389 #define INT_LEAST16_MAX INT16_MAX
390 #define UINT_LEAST16_MAX UINT16_MAX
392 #undef INT_LEAST32_MIN
393 #undef INT_LEAST32_MAX
394 #undef UINT_LEAST32_MAX
395 #define INT_LEAST32_MIN INT32_MIN
396 #define INT_LEAST32_MAX INT32_MAX
397 #define UINT_LEAST32_MAX UINT32_MAX
399 #undef INT_LEAST64_MIN
400 #undef INT_LEAST64_MAX
402 # define INT_LEAST64_MIN INT64_MIN
403 # define INT_LEAST64_MAX INT64_MAX
406 #undef UINT_LEAST64_MAX
408 # define UINT_LEAST64_MAX UINT64_MAX
411 /* 7.18.2.3. Limits of fastest minimum-width integer types */
413 /* Here we assume a standard architecture where the hardware integer
414 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
415 are taken from the same list of types. */
419 #undef UINT_FAST8_MAX
420 #define INT_FAST8_MIN LONG_MIN
421 #define INT_FAST8_MAX LONG_MAX
422 #define UINT_FAST8_MAX ULONG_MAX
424 #undef INT_FAST16_MIN
425 #undef INT_FAST16_MAX
426 #undef UINT_FAST16_MAX
427 #define INT_FAST16_MIN LONG_MIN
428 #define INT_FAST16_MAX LONG_MAX
429 #define UINT_FAST16_MAX ULONG_MAX
431 #undef INT_FAST32_MIN
432 #undef INT_FAST32_MAX
433 #undef UINT_FAST32_MAX
434 #define INT_FAST32_MIN LONG_MIN
435 #define INT_FAST32_MAX LONG_MAX
436 #define UINT_FAST32_MAX ULONG_MAX
438 #undef INT_FAST64_MIN
439 #undef INT_FAST64_MAX
441 # define INT_FAST64_MIN INT64_MIN
442 # define INT_FAST64_MAX INT64_MAX
445 #undef UINT_FAST64_MAX
447 # define UINT_FAST64_MAX UINT64_MAX
450 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
455 #define INTPTR_MIN LONG_MIN
456 #define INTPTR_MAX LONG_MAX
457 #define UINTPTR_MAX ULONG_MAX
459 /* 7.18.2.5. Limits of greatest-width integer types */
464 # define INTMAX_MIN INT64_MIN
465 # define INTMAX_MAX INT64_MAX
467 # define INTMAX_MIN INT32_MIN
468 # define INTMAX_MAX INT32_MAX
474 # define UINTMAX_MAX UINT64_MAX
476 # define UINTMAX_MAX UINT32_MAX
480 /* 7.18.3. Limits of other integer types */
482 /* ptrdiff_t limits */
485 #if @APPLE_UNIVERSAL_BUILD@
487 # define PTRDIFF_MIN _STDINT_MIN (1, 64, 0l)
488 # define PTRDIFF_MAX _STDINT_MAX (1, 64, 0l)
490 # define PTRDIFF_MIN _STDINT_MIN (1, 32, 0)
491 # define PTRDIFF_MAX _STDINT_MAX (1, 32, 0)
494 # define PTRDIFF_MIN \
495 _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
496 # define PTRDIFF_MAX \
497 _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
500 /* sig_atomic_t limits */
501 #undef SIG_ATOMIC_MIN
502 #undef SIG_ATOMIC_MAX
503 #define SIG_ATOMIC_MIN \
504 _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
505 0@SIG_ATOMIC_T_SUFFIX@)
506 #define SIG_ATOMIC_MAX \
507 _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
508 0@SIG_ATOMIC_T_SUFFIX@)
513 #if @APPLE_UNIVERSAL_BUILD@
515 # define SIZE_MAX _STDINT_MAX (0, 64, 0ul)
517 # define SIZE_MAX _STDINT_MAX (0, 32, 0ul)
520 # define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
524 /* Get WCHAR_MIN, WCHAR_MAX.
525 This include is not on the top, above, because on OSF/1 4.0 we have a
526 sequence of nested includes
527 <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
528 <stdint.h> and assumes its types are already defined. */
529 #if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
530 /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
531 included before <wchar.h>. */
535 # define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
537 # undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
542 _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
544 _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
550 _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
552 _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
554 /* 7.18.4. Macros for integer constants */
556 /* 7.18.4.1. Macros for minimum-width integer constants */
557 /* According to ISO C 99 Technical Corrigendum 1 */
559 /* Here we assume a standard architecture where the hardware integer
560 types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
570 #define UINT16_C(x) x
575 #define UINT32_C(x) x ## U
579 #if LONG_MAX >> 31 >> 31 == 1
580 # define INT64_C(x) x##L
581 #elif defined _MSC_VER
582 # define INT64_C(x) x##i64
583 #elif @HAVE_LONG_LONG_INT@
584 # define INT64_C(x) x##LL
586 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
587 # define UINT64_C(x) x##UL
588 #elif defined _MSC_VER
589 # define UINT64_C(x) x##ui64
590 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
591 # define UINT64_C(x) x##ULL
594 /* 7.18.4.2. Macros for greatest-width integer constants */
597 # if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
598 # define INTMAX_C(x) x##LL
599 # elif defined GL_INT64_T
600 # define INTMAX_C(x) INT64_C(x)
602 # define INTMAX_C(x) x##L
607 # if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
608 # define UINTMAX_C(x) x##ULL
609 # elif defined GL_UINT64_T
610 # define UINTMAX_C(x) UINT64_C(x)
612 # define UINTMAX_C(x) x##UL
616 #endif /* _@GUARD_PREFIX@_STDINT_H */
617 #endif /* !(defined __BIONIC__ && ...) */
618 #endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */