1 /* Copyright (C) 2001-2002, 2004-2008 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>
26 /* When including a system file that in turn includes <inttypes.h>,
27 use the system <inttypes.h>, not our substitute. This avoids
28 problems with (for example) VMS, whose <sys/bitypes.h> includes
30 #define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
32 /* Get those types that are already defined in other system include
33 files, so that we can "#define int8_t signed char" below without
34 worrying about a later system include file containing a "typedef
35 signed char int8_t;" that will get messed up by our macro. Our
36 macros should all be consistent with the system versions, except
37 for the "fast" types and macros, which we recommend against using
38 in public interfaces due to compiler differences. */
41 # if defined __sgi && ! defined __c99
42 /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
43 with "This header file is to be used only for c99 mode compilations"
47 /* Other systems may have an incomplete or buggy <stdint.h>.
48 Include it before <inttypes.h>, since any "#include <stdint.h>"
49 in <inttypes.h> would reinclude us, skipping our contents because
50 _GL_STDINT_H is defined.
51 The include_next requires a split double-inclusion guard. */
53 @PRAGMA_SYSTEM_HEADER@
55 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
58 #if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
61 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
62 IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
63 AIX 5.2 <sys/types.h> isn't needed and causes troubles.
64 MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
65 relies on the system <stdint.h> definitions, so include
66 <sys/types.h> after @NEXT_STDINT_H@. */
67 #if @HAVE_SYS_TYPES_H@ && ! defined _AIX
68 # include <sys/types.h>
71 /* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
75 /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
76 int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
77 <inttypes.h> also defines intptr_t and uintptr_t. */
78 # include <inttypes.h>
79 #elif @HAVE_SYS_INTTYPES_H@
80 /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
81 the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
82 # include <sys/inttypes.h>
85 #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
86 /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
87 int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
88 included by <sys/types.h>. */
89 # include <sys/bitypes.h>
92 #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
94 /* Get WCHAR_MIN, WCHAR_MAX. */
95 # if ! (defined WCHAR_MIN && defined WCHAR_MAX)
101 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
103 /* Minimum and maximum values for a integer type under the usual assumption.
104 Return an unspecified value if BITS == 0, adding a check to pacify
107 #define _STDINT_MIN(signed, bits, zero) \
108 ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
110 #define _STDINT_MAX(signed, bits, zero) \
112 ? ~ _STDINT_MIN (signed, bits, zero) \
113 : /* The expression for the unsigned case. The subtraction of (signed) \
114 is a nop in the unsigned case and avoids "signed integer overflow" \
115 warnings in the signed case. */ \
116 ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
118 /* 7.18.1.1. Exact-width integer types */
120 /* Here we assume a standard architecture where the hardware integer
121 types have 8, 16, 32, optionally 64 bits. */
125 typedef signed char gl_int8_t;
126 typedef unsigned char gl_uint8_t;
127 #define int8_t gl_int8_t
128 #define uint8_t gl_uint8_t
132 typedef short int gl_int16_t;
133 typedef unsigned short int gl_uint16_t;
134 #define int16_t gl_int16_t
135 #define uint16_t gl_uint16_t
139 typedef int gl_int32_t;
140 typedef unsigned int gl_uint32_t;
141 #define int32_t gl_int32_t
142 #define uint32_t gl_uint32_t
144 /* Do not undefine int64_t if gnulib is not being used with 64-bit
145 types, since otherwise it breaks platforms like Tandem/NSK. */
146 #if LONG_MAX >> 31 >> 31 == 1
148 typedef long int gl_int64_t;
149 # define int64_t gl_int64_t
151 #elif defined _MSC_VER
153 typedef __int64 gl_int64_t;
154 # define int64_t gl_int64_t
156 #elif @HAVE_LONG_LONG_INT@
158 typedef long long int gl_int64_t;
159 # define int64_t gl_int64_t
163 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
165 typedef unsigned long int gl_uint64_t;
166 # define uint64_t gl_uint64_t
168 #elif defined _MSC_VER
170 typedef unsigned __int64 gl_uint64_t;
171 # define uint64_t gl_uint64_t
173 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
175 typedef unsigned long long int gl_uint64_t;
176 # define uint64_t gl_uint64_t
180 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
186 /* 7.18.1.2. Minimum-width integer types */
188 /* Here we assume a standard architecture where the hardware integer
189 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
190 are the same as the corresponding N_t types. */
195 #undef uint_least16_t
197 #undef uint_least32_t
199 #undef uint_least64_t
200 #define int_least8_t int8_t
201 #define uint_least8_t uint8_t
202 #define int_least16_t int16_t
203 #define uint_least16_t uint16_t
204 #define int_least32_t int32_t
205 #define uint_least32_t uint32_t
207 # define int_least64_t int64_t
210 # define uint_least64_t uint64_t
213 /* 7.18.1.3. Fastest minimum-width integer types */
215 /* Note: Other <stdint.h> substitutes may define these types differently.
216 It is not recommended to use these types in public header files. */
218 /* Here we assume a standard architecture where the hardware integer
219 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
220 are taken from the same list of types. Assume that 'long int'
221 is fast enough for all narrower integers. */
231 typedef long int gl_int_fast8_t;
232 typedef unsigned long int gl_uint_fast8_t;
233 typedef long int gl_int_fast16_t;
234 typedef unsigned long int gl_uint_fast16_t;
235 typedef long int gl_int_fast32_t;
236 typedef unsigned long int gl_uint_fast32_t;
237 #define int_fast8_t gl_int_fast8_t
238 #define uint_fast8_t gl_uint_fast8_t
239 #define int_fast16_t gl_int_fast16_t
240 #define uint_fast16_t gl_uint_fast16_t
241 #define int_fast32_t gl_int_fast32_t
242 #define uint_fast32_t gl_uint_fast32_t
244 # define int_fast64_t int64_t
247 # define uint_fast64_t uint64_t
250 /* 7.18.1.4. Integer types capable of holding object pointers */
254 typedef long int gl_intptr_t;
255 typedef unsigned long int gl_uintptr_t;
256 #define intptr_t gl_intptr_t
257 #define uintptr_t gl_uintptr_t
259 /* 7.18.1.5. Greatest-width integer types */
261 /* Note: These types are compiler dependent. It may be unwise to use them in
262 public header files. */
265 #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
266 typedef long long int gl_intmax_t;
267 # define intmax_t gl_intmax_t
268 #elif defined GL_INT64_T
269 # define intmax_t int64_t
271 typedef long int gl_intmax_t;
272 # define intmax_t gl_intmax_t
276 #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
277 typedef unsigned long long int gl_uintmax_t;
278 # define uintmax_t gl_uintmax_t
279 #elif defined GL_UINT64_T
280 # define uintmax_t uint64_t
282 typedef unsigned long int gl_uintmax_t;
283 # define uintmax_t gl_uintmax_t
286 /* Verify that intmax_t and uintmax_t have the same size. Too much code
287 breaks if this is not the case. If this check fails, the reason is likely
288 to be found in the autoconf macros. */
289 typedef int _verify_intmax_size[2 * (sizeof (intmax_t) == sizeof (uintmax_t)) - 1];
291 /* 7.18.2. Limits of specified-width integer types */
293 #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
295 /* 7.18.2.1. Limits of exact-width integer types */
297 /* Here we assume a standard architecture where the hardware integer
298 types have 8, 16, 32, optionally 64 bits. */
303 #define INT8_MIN (~ INT8_MAX)
305 #define UINT8_MAX 255
310 #define INT16_MIN (~ INT16_MAX)
311 #define INT16_MAX 32767
312 #define UINT16_MAX 65535
317 #define INT32_MIN (~ INT32_MAX)
318 #define INT32_MAX 2147483647
319 #define UINT32_MAX 4294967295U
324 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
325 evaluates the latter incorrectly in preprocessor expressions. */
326 # define INT64_MIN (- INTMAX_C (1) << 63)
327 # define INT64_MAX INTMAX_C (9223372036854775807)
332 # define UINT64_MAX UINTMAX_C (18446744073709551615)
335 /* 7.18.2.2. Limits of minimum-width integer types */
337 /* Here we assume a standard architecture where the hardware integer
338 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
339 are the same as the corresponding N_t types. */
341 #undef INT_LEAST8_MIN
342 #undef INT_LEAST8_MAX
343 #undef UINT_LEAST8_MAX
344 #define INT_LEAST8_MIN INT8_MIN
345 #define INT_LEAST8_MAX INT8_MAX
346 #define UINT_LEAST8_MAX UINT8_MAX
348 #undef INT_LEAST16_MIN
349 #undef INT_LEAST16_MAX
350 #undef UINT_LEAST16_MAX
351 #define INT_LEAST16_MIN INT16_MIN
352 #define INT_LEAST16_MAX INT16_MAX
353 #define UINT_LEAST16_MAX UINT16_MAX
355 #undef INT_LEAST32_MIN
356 #undef INT_LEAST32_MAX
357 #undef UINT_LEAST32_MAX
358 #define INT_LEAST32_MIN INT32_MIN
359 #define INT_LEAST32_MAX INT32_MAX
360 #define UINT_LEAST32_MAX UINT32_MAX
362 #undef INT_LEAST64_MIN
363 #undef INT_LEAST64_MAX
365 # define INT_LEAST64_MIN INT64_MIN
366 # define INT_LEAST64_MAX INT64_MAX
369 #undef UINT_LEAST64_MAX
371 # define UINT_LEAST64_MAX UINT64_MAX
374 /* 7.18.2.3. Limits of fastest 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 fastN_t types
378 are taken from the same list of types. */
382 #undef UINT_FAST8_MAX
383 #define INT_FAST8_MIN LONG_MIN
384 #define INT_FAST8_MAX LONG_MAX
385 #define UINT_FAST8_MAX ULONG_MAX
387 #undef INT_FAST16_MIN
388 #undef INT_FAST16_MAX
389 #undef UINT_FAST16_MAX
390 #define INT_FAST16_MIN LONG_MIN
391 #define INT_FAST16_MAX LONG_MAX
392 #define UINT_FAST16_MAX ULONG_MAX
394 #undef INT_FAST32_MIN
395 #undef INT_FAST32_MAX
396 #undef UINT_FAST32_MAX
397 #define INT_FAST32_MIN LONG_MIN
398 #define INT_FAST32_MAX LONG_MAX
399 #define UINT_FAST32_MAX ULONG_MAX
401 #undef INT_FAST64_MIN
402 #undef INT_FAST64_MAX
404 # define INT_FAST64_MIN INT64_MIN
405 # define INT_FAST64_MAX INT64_MAX
408 #undef UINT_FAST64_MAX
410 # define UINT_FAST64_MAX UINT64_MAX
413 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
418 #define INTPTR_MIN LONG_MIN
419 #define INTPTR_MAX LONG_MAX
420 #define UINTPTR_MAX ULONG_MAX
422 /* 7.18.2.5. Limits of greatest-width integer types */
427 # define INTMAX_MIN INT64_MIN
428 # define INTMAX_MAX INT64_MAX
430 # define INTMAX_MIN INT32_MIN
431 # define INTMAX_MAX INT32_MAX
436 # define UINTMAX_MAX UINT64_MAX
438 # define UINTMAX_MAX UINT32_MAX
441 /* 7.18.3. Limits of other integer types */
443 /* ptrdiff_t limits */
446 #define PTRDIFF_MIN \
447 _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
448 #define PTRDIFF_MAX \
449 _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
451 /* sig_atomic_t limits */
452 #undef SIG_ATOMIC_MIN
453 #undef SIG_ATOMIC_MAX
454 #define SIG_ATOMIC_MIN \
455 _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
456 0@SIG_ATOMIC_T_SUFFIX@)
457 #define SIG_ATOMIC_MAX \
458 _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
459 0@SIG_ATOMIC_T_SUFFIX@)
464 #define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
470 _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
472 _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
478 _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
480 _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
482 #endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
484 /* 7.18.4. Macros for integer constants */
486 #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
488 /* 7.18.4.1. Macros for minimum-width integer constants */
489 /* According to ISO C 99 Technical Corrigendum 1 */
491 /* Here we assume a standard architecture where the hardware integer
492 types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
502 #define UINT16_C(x) x
507 #define UINT32_C(x) x ## U
511 #if LONG_MAX >> 31 >> 31 == 1
512 # define INT64_C(x) x##L
513 #elif defined _MSC_VER
514 # define INT64_C(x) x##i64
515 #elif @HAVE_LONG_LONG_INT@
516 # define INT64_C(x) x##LL
518 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
519 # define UINT64_C(x) x##UL
520 #elif defined _MSC_VER
521 # define UINT64_C(x) x##ui64
522 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
523 # define UINT64_C(x) x##ULL
526 /* 7.18.4.2. Macros for greatest-width integer constants */
529 #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
530 # define INTMAX_C(x) x##LL
531 #elif defined GL_INT64_T
532 # define INTMAX_C(x) INT64_C(x)
534 # define INTMAX_C(x) x##L
538 #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
539 # define UINTMAX_C(x) x##ULL
540 #elif defined GL_UINT64_T
541 # define UINTMAX_C(x) UINT64_C(x)
543 # define UINTMAX_C(x) x##UL
546 #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
548 #endif /* _GL_STDINT_H */
549 #endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */