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1/* Copyright (C) 2001-2002, 2004-2007 Free Software Foundation, Inc.
2 Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
3 This file is part of gnulib.
4
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)
8 any later version.
9
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.
14
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. */
18
19#ifndef _GL_STDINT_H
20#define _GL_STDINT_H
21
22/*
23 * ISO C 99 <stdint.h> for platforms that lack it.
24 * <http://www.opengroup.org/susv3xbd/stdint.h.html>
25 */
26
27/* Get those types that are already defined in other system include
28 files, so that we can "#define int8_t signed char" below without
29 worrying about a later system include file containing a "typedef
30 signed char int8_t;" that will get messed up by our macro. Our
31 macros should all be consistent with the system versions, except
32 for the "fast" types and macros, which we recommend against using
33 in public interfaces due to compiler differences. */
34
35#if @HAVE_STDINT_H@
36# if defined __sgi && ! defined __c99
37 /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
38 with "This header file is to be used only for c99 mode compilations"
39 diagnostics. */
40# define __STDINT_H__
41# endif
42 /* Other systems may have an incomplete or buggy <stdint.h>.
43 Include it before <inttypes.h>, since any "#include <stdint.h>"
44 in <inttypes.h> would reinclude us, skipping our contents because
45 _GL_STDINT_H is defined. */
46# include @ABSOLUTE_STDINT_H@
47#endif
48
49/* <sys/types.h> defines some of the stdint.h types as well, on glibc,
50 IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
51 AIX 5.2 <sys/types.h> isn't needed and causes troubles.
52 MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
53 relies on the system <stdint.h> definitions, so include
54 <sys/types.h> after @ABSOLUTE_STDINT_H@. */
55#if @HAVE_SYS_TYPES_H@ && ! defined _AIX
56# include <sys/types.h>
57#endif
58
59/* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
60#include <limits.h>
61
62#if @HAVE_INTTYPES_H@
63 /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
64 int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
65 <inttypes.h> also defines intptr_t and uintptr_t. */
66# define _GL_JUST_INCLUDE_ABSOLUTE_INTTYPES_H
67# include <inttypes.h>
68# undef _GL_JUST_INCLUDE_ABSOLUTE_INTTYPES_H
69#elif @HAVE_SYS_INTTYPES_H@
70 /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
71 the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
72# include <sys/inttypes.h>
73#endif
74
75#if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
76 /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
77 int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
78 included by <sys/types.h>. */
79# include <sys/bitypes.h>
80#endif
81
82#if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
83
84/* Get WCHAR_MIN, WCHAR_MAX. */
85# if ! (defined WCHAR_MIN && defined WCHAR_MAX)
86# include <wchar.h>
87# endif
88
89#endif
90
91/* Minimum and maximum values for a integer type under the usual assumption.
92 Return an unspecified value if BITS == 0, adding a check to pacify
93 picky compilers. */
94
95#define _STDINT_MIN(signed, bits, zero) \
96 ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
97
98#define _STDINT_MAX(signed, bits, zero) \
99 ((signed) \
100 ? ~ _STDINT_MIN (signed, bits, zero) \
101 : ((((zero) + 1) << ((bits) ? (bits) - 1 : 0)) - 1) * 2 + 1)
102
103/* 7.18.1.1. Exact-width integer types */
104
105/* Here we assume a standard architecture where the hardware integer
106 types have 8, 16, 32, optionally 64 bits. */
107
108#undef int8_t
109#undef uint8_t
110#define int8_t signed char
111#define uint8_t unsigned char
112
113#undef int16_t
114#undef uint16_t
115#define int16_t short int
116#define uint16_t unsigned short int
117
118#undef int32_t
119#undef uint32_t
120#define int32_t int
121#define uint32_t unsigned int
122
123#undef int64_t
124#if LONG_MAX >> 31 >> 31 == 1
125# define int64_t long int
126#elif defined _MSC_VER
127# define int64_t __int64
128#elif @HAVE_LONG_LONG_INT@
129# define int64_t long long int
130#endif
131
132#undef uint64_t
133#if ULONG_MAX >> 31 >> 31 >> 1 == 1
134# define uint64_t unsigned long int
135#elif defined _MSC_VER
136# define uint64_t unsigned __int64
137#elif @HAVE_UNSIGNED_LONG_LONG_INT@
138# define uint64_t unsigned long long int
139#endif
140
141/* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
142#define _UINT8_T
143#define _UINT32_T
144#define _UINT64_T
145
146
147/* 7.18.1.2. Minimum-width integer types */
148
149/* Here we assume a standard architecture where the hardware integer
150 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
151 are the same as the corresponding N_t types. */
152
153#undef int_least8_t
154#undef uint_least8_t
155#undef int_least16_t
156#undef uint_least16_t
157#undef int_least32_t
158#undef uint_least32_t
159#undef int_least64_t
160#undef uint_least64_t
161#define int_least8_t int8_t
162#define uint_least8_t uint8_t
163#define int_least16_t int16_t
164#define uint_least16_t uint16_t
165#define int_least32_t int32_t
166#define uint_least32_t uint32_t
167#ifdef int64_t
168# define int_least64_t int64_t
169#endif
170#ifdef uint64_t
171# define uint_least64_t uint64_t
172#endif
173
174/* 7.18.1.3. Fastest minimum-width integer types */
175
176/* Note: Other <stdint.h> substitutes may define these types differently.
177 It is not recommended to use these types in public header files. */
178
179/* Here we assume a standard architecture where the hardware integer
180 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
181 are taken from the same list of types. Assume that 'long int'
182 is fast enough for all narrower integers. */
183
184#undef int_fast8_t
185#undef uint_fast8_t
186#undef int_fast16_t
187#undef uint_fast16_t
188#undef int_fast32_t
189#undef uint_fast32_t
190#undef int_fast64_t
191#undef uint_fast64_t
192#define int_fast8_t long int
193#define uint_fast8_t unsigned int_fast8_t
194#define int_fast16_t long int
195#define uint_fast16_t unsigned int_fast16_t
196#define int_fast32_t long int
197#define uint_fast32_t unsigned int_fast32_t
198#ifdef int64_t
199# define int_fast64_t int64_t
200#endif
201#ifdef uint64_t
202# define uint_fast64_t uint64_t
203#endif
204
205/* 7.18.1.4. Integer types capable of holding object pointers */
206
207#undef intptr_t
208#undef uintptr_t
209#define intptr_t long int
210#define uintptr_t unsigned long int
211
212/* 7.18.1.5. Greatest-width integer types */
213
214/* Note: These types are compiler dependent. It may be unwise to use them in
215 public header files. */
216
217#undef intmax_t
218#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
219# define intmax_t long long int
220#elif defined int64_t
221# define intmax_t int64_t
222#else
223# define intmax_t long int
224#endif
225
226#undef uintmax_t
227#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
228# define uintmax_t unsigned long long int
229#elif defined uint64_t
230# define uintmax_t uint64_t
231#else
232# define uintmax_t unsigned long int
233#endif
234
235/* 7.18.2. Limits of specified-width integer types */
236
237#if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
238
239/* 7.18.2.1. Limits of exact-width integer types */
240
241/* Here we assume a standard architecture where the hardware integer
242 types have 8, 16, 32, optionally 64 bits. */
243
244#undef INT8_MIN
245#undef INT8_MAX
246#undef UINT8_MAX
247#define INT8_MIN (~ INT8_MAX)
248#define INT8_MAX 127
249#define UINT8_MAX 255
250
251#undef INT16_MIN
252#undef INT16_MAX
253#undef UINT16_MAX
254#define INT16_MIN (~ INT16_MAX)
255#define INT16_MAX 32767
256#define UINT16_MAX 65535
257
258#undef INT32_MIN
259#undef INT32_MAX
260#undef UINT32_MAX
261#define INT32_MIN (~ INT32_MAX)
262#define INT32_MAX 2147483647
263#define UINT32_MAX 4294967295U
264
265#undef INT64_MIN
266#undef INT64_MAX
267#ifdef int64_t
268# define INT64_MIN (~ INT64_MAX)
269# define INT64_MAX INTMAX_C (9223372036854775807)
270#endif
271
272#undef UINT64_MAX
273#ifdef uint64_t
274# define UINT64_MAX UINTMAX_C (18446744073709551615)
275#endif
276
277/* 7.18.2.2. Limits of minimum-width integer types */
278
279/* Here we assume a standard architecture where the hardware integer
280 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
281 are the same as the corresponding N_t types. */
282
283#undef INT_LEAST8_MIN
284#undef INT_LEAST8_MAX
285#undef UINT_LEAST8_MAX
286#define INT_LEAST8_MIN INT8_MIN
287#define INT_LEAST8_MAX INT8_MAX
288#define UINT_LEAST8_MAX UINT8_MAX
289
290#undef INT_LEAST16_MIN
291#undef INT_LEAST16_MAX
292#undef UINT_LEAST16_MAX
293#define INT_LEAST16_MIN INT16_MIN
294#define INT_LEAST16_MAX INT16_MAX
295#define UINT_LEAST16_MAX UINT16_MAX
296
297#undef INT_LEAST32_MIN
298#undef INT_LEAST32_MAX
299#undef UINT_LEAST32_MAX
300#define INT_LEAST32_MIN INT32_MIN
301#define INT_LEAST32_MAX INT32_MAX
302#define UINT_LEAST32_MAX UINT32_MAX
303
304#undef INT_LEAST64_MIN
305#undef INT_LEAST64_MAX
306#ifdef int64_t
307# define INT_LEAST64_MIN INT64_MIN
308# define INT_LEAST64_MAX INT64_MAX
309#endif
310
311#undef UINT_LEAST64_MAX
312#ifdef uint64_t
313# define UINT_LEAST64_MAX UINT64_MAX
314#endif
315
316/* 7.18.2.3. Limits of fastest minimum-width integer types */
317
318/* Here we assume a standard architecture where the hardware integer
319 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
320 are taken from the same list of types. */
321
322#undef INT_FAST8_MIN
323#undef INT_FAST8_MAX
324#undef UINT_FAST8_MAX
325#define INT_FAST8_MIN LONG_MIN
326#define INT_FAST8_MAX LONG_MAX
327#define UINT_FAST8_MAX ULONG_MAX
328
329#undef INT_FAST16_MIN
330#undef INT_FAST16_MAX
331#undef UINT_FAST16_MAX
332#define INT_FAST16_MIN LONG_MIN
333#define INT_FAST16_MAX LONG_MAX
334#define UINT_FAST16_MAX ULONG_MAX
335
336#undef INT_FAST32_MIN
337#undef INT_FAST32_MAX
338#undef UINT_FAST32_MAX
339#define INT_FAST32_MIN LONG_MIN
340#define INT_FAST32_MAX LONG_MAX
341#define UINT_FAST32_MAX ULONG_MAX
342
343#undef INT_FAST64_MIN
344#undef INT_FAST64_MAX
345#ifdef int64_t
346# define INT_FAST64_MIN INT64_MIN
347# define INT_FAST64_MAX INT64_MAX
348#endif
349
350#undef UINT_FAST64_MAX
351#ifdef uint64_t
352# define UINT_FAST64_MAX UINT64_MAX
353#endif
354
355/* 7.18.2.4. Limits of integer types capable of holding object pointers */
356
357#undef INTPTR_MIN
358#undef INTPTR_MAX
359#undef UINTPTR_MAX
360#define INTPTR_MIN LONG_MIN
361#define INTPTR_MAX LONG_MAX
362#define UINTPTR_MAX ULONG_MAX
363
364/* 7.18.2.5. Limits of greatest-width integer types */
365
366#undef INTMAX_MIN
367#undef INTMAX_MAX
368#define INTMAX_MIN (~ INTMAX_MAX)
369#ifdef INT64_MAX
370# define INTMAX_MAX INT64_MAX
371#else
372# define INTMAX_MAX INT32_MAX
373#endif
374
375#undef UINTMAX_MAX
376#ifdef UINT64_MAX
377# define UINTMAX_MAX UINT64_MAX
378#else
379# define UINTMAX_MAX UINT32_MAX
380#endif
381
382/* 7.18.3. Limits of other integer types */
383
384/* ptrdiff_t limits */
385#undef PTRDIFF_MIN
386#undef PTRDIFF_MAX
387#define PTRDIFF_MIN \
388 _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
389#define PTRDIFF_MAX \
390 _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
391
392/* sig_atomic_t limits */
393#undef SIG_ATOMIC_MIN
394#undef SIG_ATOMIC_MAX
395#define SIG_ATOMIC_MIN \
396 _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
397 0@SIG_ATOMIC_T_SUFFIX@)
398#define SIG_ATOMIC_MAX \
399 _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
400 0@SIG_ATOMIC_T_SUFFIX@)
401
402
403/* size_t limit */
404#undef SIZE_MAX
405#define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
406
407/* wchar_t limits */
408#undef WCHAR_MIN
409#undef WCHAR_MAX
410#define WCHAR_MIN \
411 _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
412#define WCHAR_MAX \
413 _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
414
415/* wint_t limits */
416#undef WINT_MIN
417#undef WINT_MAX
418#define WINT_MIN \
419 _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
420#define WINT_MAX \
421 _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
422
423#endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
424
425/* 7.18.4. Macros for integer constants */
426
427#if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
428
429/* 7.18.4.1. Macros for minimum-width integer constants */
430/* According to ISO C 99 Technical Corrigendum 1 */
431
432/* Here we assume a standard architecture where the hardware integer
433 types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
434
435#undef INT8_C
436#undef UINT8_C
437#define INT8_C(x) x
438#define UINT8_C(x) x
439
440#undef INT16_C
441#undef UINT16_C
442#define INT16_C(x) x
443#define UINT16_C(x) x
444
445#undef INT32_C
446#undef UINT32_C
447#define INT32_C(x) x
448#define UINT32_C(x) x ## U
449
450#undef INT64_C
451#undef UINT64_C
452#if LONG_MAX >> 31 >> 31 == 1
453# define INT64_C(x) x##L
454#elif defined _MSC_VER
455# define INT64_C(x) x##i64
456#elif @HAVE_LONG_LONG_INT@
457# define INT64_C(x) x##LL
458#endif
459#if ULONG_MAX >> 31 >> 31 >> 1 == 1
460# define UINT64_C(x) x##UL
461#elif defined _MSC_VER
462# define UINT64_C(x) x##ui64
463#elif @HAVE_UNSIGNED_LONG_LONG_INT@
464# define UINT64_C(x) x##ULL
465#endif
466
467/* 7.18.4.2. Macros for greatest-width integer constants */
468
469#undef INTMAX_C
470#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
471# define INTMAX_C(x) x##LL
472#elif defined int64_t
473# define INTMAX_C(x) INT64_C(x)
474#else
475# define INTMAX_C(x) x##L
476#endif
477
478#undef UINTMAX_C
479#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
480# define UINTMAX_C(x) x##ULL
481#elif defined uint64_t
482# define UINTMAX_C(x) UINT64_C(x)
483#else
484# define UINTMAX_C(x) x##UL
485#endif
486
487#endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
488
489#endif /* _GL_STDINT_H */