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4c38e0a4 JB |
1 | /* Copyright (C) 2001-2002, 2004-2007, 2009, 2010 |
2 | Free Software Foundation, Inc. | |
f6ea5628 DJ |
3 | Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood. |
4 | This file is part of gnulib. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4c38e0a4 | 8 | the Free Software Foundation; either version 3, or (at your option) |
f6ea5628 DJ |
9 | any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software Foundation, | |
18 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | |
19 | ||
20 | /* | |
21 | * ISO C 99 <stdint.h> for platforms that lack it. | |
22 | * <http://www.opengroup.org/susv3xbd/stdint.h.html> | |
23 | */ | |
24 | ||
25 | #ifndef _GL_STDINT_H | |
26 | ||
27 | /* When including a system file that in turn includes <inttypes.h>, | |
28 | use the system <inttypes.h>, not our substitute. This avoids | |
29 | problems with (for example) VMS, whose <sys/bitypes.h> includes | |
30 | <inttypes.h>. */ | |
31 | #define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H | |
32 | ||
33 | /* Get those types that are already defined in other system include | |
34 | files, so that we can "#define int8_t signed char" below without | |
35 | worrying about a later system include file containing a "typedef | |
36 | signed char int8_t;" that will get messed up by our macro. Our | |
37 | macros should all be consistent with the system versions, except | |
38 | for the "fast" types and macros, which we recommend against using | |
39 | in public interfaces due to compiler differences. */ | |
40 | ||
41 | #if @HAVE_STDINT_H@ | |
42 | # if defined __sgi && ! defined __c99 | |
43 | /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users | |
44 | with "This header file is to be used only for c99 mode compilations" | |
45 | diagnostics. */ | |
46 | # define __STDINT_H__ | |
47 | # endif | |
48 | /* Other systems may have an incomplete or buggy <stdint.h>. | |
49 | Include it before <inttypes.h>, since any "#include <stdint.h>" | |
50 | in <inttypes.h> would reinclude us, skipping our contents because | |
51 | _GL_STDINT_H is defined. | |
52 | The include_next requires a split double-inclusion guard. */ | |
53 | # @INCLUDE_NEXT@ @NEXT_STDINT_H@ | |
54 | #endif | |
55 | ||
56 | #if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H | |
57 | #define _GL_STDINT_H | |
58 | ||
59 | /* <sys/types.h> defines some of the stdint.h types as well, on glibc, | |
60 | IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>). | |
61 | AIX 5.2 <sys/types.h> isn't needed and causes troubles. | |
62 | MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but | |
63 | relies on the system <stdint.h> definitions, so include | |
64 | <sys/types.h> after @NEXT_STDINT_H@. */ | |
65 | #if @HAVE_SYS_TYPES_H@ && ! defined _AIX | |
66 | # include <sys/types.h> | |
67 | #endif | |
68 | ||
69 | /* Get LONG_MIN, LONG_MAX, ULONG_MAX. */ | |
70 | #include <limits.h> | |
71 | ||
72 | #if @HAVE_INTTYPES_H@ | |
73 | /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines | |
74 | int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__. | |
75 | <inttypes.h> also defines intptr_t and uintptr_t. */ | |
76 | # include <inttypes.h> | |
77 | #elif @HAVE_SYS_INTTYPES_H@ | |
78 | /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and | |
79 | the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */ | |
80 | # include <sys/inttypes.h> | |
81 | #endif | |
82 | ||
83 | #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__ | |
84 | /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines | |
85 | int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is | |
86 | included by <sys/types.h>. */ | |
87 | # include <sys/bitypes.h> | |
88 | #endif | |
89 | ||
90 | #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS | |
91 | ||
92 | /* Get WCHAR_MIN, WCHAR_MAX. */ | |
93 | # if ! (defined WCHAR_MIN && defined WCHAR_MAX) | |
94 | # include <wchar.h> | |
95 | # endif | |
96 | ||
97 | #endif | |
98 | ||
99 | #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H | |
100 | ||
101 | /* Minimum and maximum values for a integer type under the usual assumption. | |
102 | Return an unspecified value if BITS == 0, adding a check to pacify | |
103 | picky compilers. */ | |
104 | ||
105 | #define _STDINT_MIN(signed, bits, zero) \ | |
106 | ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero)) | |
107 | ||
108 | #define _STDINT_MAX(signed, bits, zero) \ | |
109 | ((signed) \ | |
110 | ? ~ _STDINT_MIN (signed, bits, zero) \ | |
111 | : /* The expression for the unsigned case. The subtraction of (signed) \ | |
112 | is a nop in the unsigned case and avoids "signed integer overflow" \ | |
113 | warnings in the signed case. */ \ | |
114 | ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1) | |
115 | ||
116 | /* 7.18.1.1. Exact-width integer types */ | |
117 | ||
118 | /* Here we assume a standard architecture where the hardware integer | |
119 | types have 8, 16, 32, optionally 64 bits. */ | |
120 | ||
121 | #undef int8_t | |
122 | #undef uint8_t | |
123 | #define int8_t signed char | |
124 | #define uint8_t unsigned char | |
125 | ||
126 | #undef int16_t | |
127 | #undef uint16_t | |
128 | #define int16_t short int | |
129 | #define uint16_t unsigned short int | |
130 | ||
131 | #undef int32_t | |
132 | #undef uint32_t | |
133 | #define int32_t int | |
134 | #define uint32_t unsigned int | |
135 | ||
136 | /* Do not undefine int64_t if gnulib is not being used with 64-bit | |
137 | types, since otherwise it breaks platforms like Tandem/NSK. */ | |
138 | #if LONG_MAX >> 31 >> 31 == 1 | |
139 | # undef int64_t | |
140 | # define int64_t long int | |
141 | # define GL_INT64_T | |
142 | #elif defined _MSC_VER | |
143 | # undef int64_t | |
144 | # define int64_t __int64 | |
145 | # define GL_INT64_T | |
146 | #elif @HAVE_LONG_LONG_INT@ | |
147 | # undef int64_t | |
148 | # define int64_t long long int | |
149 | # define GL_INT64_T | |
150 | #endif | |
151 | ||
152 | #if ULONG_MAX >> 31 >> 31 >> 1 == 1 | |
153 | # undef uint64_t | |
154 | # define uint64_t unsigned long int | |
155 | # define GL_UINT64_T | |
156 | #elif defined _MSC_VER | |
157 | # undef uint64_t | |
158 | # define uint64_t unsigned __int64 | |
159 | # define GL_UINT64_T | |
160 | #elif @HAVE_UNSIGNED_LONG_LONG_INT@ | |
161 | # undef uint64_t | |
162 | # define uint64_t unsigned long long int | |
163 | # define GL_UINT64_T | |
164 | #endif | |
165 | ||
166 | /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */ | |
167 | #define _UINT8_T | |
168 | #define _UINT32_T | |
169 | #define _UINT64_T | |
170 | ||
171 | ||
172 | /* 7.18.1.2. Minimum-width integer types */ | |
173 | ||
174 | /* Here we assume a standard architecture where the hardware integer | |
175 | types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types | |
176 | are the same as the corresponding N_t types. */ | |
177 | ||
178 | #undef int_least8_t | |
179 | #undef uint_least8_t | |
180 | #undef int_least16_t | |
181 | #undef uint_least16_t | |
182 | #undef int_least32_t | |
183 | #undef uint_least32_t | |
184 | #undef int_least64_t | |
185 | #undef uint_least64_t | |
186 | #define int_least8_t int8_t | |
187 | #define uint_least8_t uint8_t | |
188 | #define int_least16_t int16_t | |
189 | #define uint_least16_t uint16_t | |
190 | #define int_least32_t int32_t | |
191 | #define uint_least32_t uint32_t | |
192 | #ifdef GL_INT64_T | |
193 | # define int_least64_t int64_t | |
194 | #endif | |
195 | #ifdef GL_UINT64_T | |
196 | # define uint_least64_t uint64_t | |
197 | #endif | |
198 | ||
199 | /* 7.18.1.3. Fastest minimum-width integer types */ | |
200 | ||
201 | /* Note: Other <stdint.h> substitutes may define these types differently. | |
202 | It is not recommended to use these types in public header files. */ | |
203 | ||
204 | /* Here we assume a standard architecture where the hardware integer | |
205 | types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types | |
206 | are taken from the same list of types. Assume that 'long int' | |
207 | is fast enough for all narrower integers. */ | |
208 | ||
209 | #undef int_fast8_t | |
210 | #undef uint_fast8_t | |
211 | #undef int_fast16_t | |
212 | #undef uint_fast16_t | |
213 | #undef int_fast32_t | |
214 | #undef uint_fast32_t | |
215 | #undef int_fast64_t | |
216 | #undef uint_fast64_t | |
217 | #define int_fast8_t long int | |
218 | #define uint_fast8_t unsigned int_fast8_t | |
219 | #define int_fast16_t long int | |
220 | #define uint_fast16_t unsigned int_fast16_t | |
221 | #define int_fast32_t long int | |
222 | #define uint_fast32_t unsigned int_fast32_t | |
223 | #ifdef GL_INT64_T | |
224 | # define int_fast64_t int64_t | |
225 | #endif | |
226 | #ifdef GL_UINT64_T | |
227 | # define uint_fast64_t uint64_t | |
228 | #endif | |
229 | ||
230 | /* 7.18.1.4. Integer types capable of holding object pointers */ | |
231 | ||
232 | #undef intptr_t | |
233 | #undef uintptr_t | |
234 | #define intptr_t long int | |
235 | #define uintptr_t unsigned long int | |
236 | ||
237 | /* 7.18.1.5. Greatest-width integer types */ | |
238 | ||
239 | /* Note: These types are compiler dependent. It may be unwise to use them in | |
240 | public header files. */ | |
241 | ||
242 | #undef intmax_t | |
243 | #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1 | |
244 | # define intmax_t long long int | |
245 | #elif defined GL_INT64_T | |
246 | # define intmax_t int64_t | |
247 | #else | |
248 | # define intmax_t long int | |
249 | #endif | |
250 | ||
251 | #undef uintmax_t | |
252 | #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1 | |
253 | # define uintmax_t unsigned long long int | |
254 | #elif defined GL_UINT64_T | |
255 | # define uintmax_t uint64_t | |
256 | #else | |
257 | # define uintmax_t unsigned long int | |
258 | #endif | |
259 | ||
260 | /* Verify that intmax_t and uintmax_t have the same size. Too much code | |
261 | breaks if this is not the case. If this check fails, the reason is likely | |
262 | to be found in the autoconf macros. */ | |
263 | typedef int _verify_intmax_size[2 * (sizeof (intmax_t) == sizeof (uintmax_t)) - 1]; | |
264 | ||
265 | /* 7.18.2. Limits of specified-width integer types */ | |
266 | ||
267 | #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS | |
268 | ||
269 | /* 7.18.2.1. Limits of exact-width integer types */ | |
270 | ||
271 | /* Here we assume a standard architecture where the hardware integer | |
272 | types have 8, 16, 32, optionally 64 bits. */ | |
273 | ||
274 | #undef INT8_MIN | |
275 | #undef INT8_MAX | |
276 | #undef UINT8_MAX | |
277 | #define INT8_MIN (~ INT8_MAX) | |
278 | #define INT8_MAX 127 | |
279 | #define UINT8_MAX 255 | |
280 | ||
281 | #undef INT16_MIN | |
282 | #undef INT16_MAX | |
283 | #undef UINT16_MAX | |
284 | #define INT16_MIN (~ INT16_MAX) | |
285 | #define INT16_MAX 32767 | |
286 | #define UINT16_MAX 65535 | |
287 | ||
288 | #undef INT32_MIN | |
289 | #undef INT32_MAX | |
290 | #undef UINT32_MAX | |
291 | #define INT32_MIN (~ INT32_MAX) | |
292 | #define INT32_MAX 2147483647 | |
293 | #define UINT32_MAX 4294967295U | |
294 | ||
295 | #undef INT64_MIN | |
296 | #undef INT64_MAX | |
297 | #ifdef GL_INT64_T | |
298 | /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0 | |
299 | evaluates the latter incorrectly in preprocessor expressions. */ | |
300 | # define INT64_MIN (- INTMAX_C (1) << 63) | |
301 | # define INT64_MAX INTMAX_C (9223372036854775807) | |
302 | #endif | |
303 | ||
304 | #undef UINT64_MAX | |
305 | #ifdef GL_UINT64_T | |
306 | # define UINT64_MAX UINTMAX_C (18446744073709551615) | |
307 | #endif | |
308 | ||
309 | /* 7.18.2.2. Limits of minimum-width integer types */ | |
310 | ||
311 | /* Here we assume a standard architecture where the hardware integer | |
312 | types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types | |
313 | are the same as the corresponding N_t types. */ | |
314 | ||
315 | #undef INT_LEAST8_MIN | |
316 | #undef INT_LEAST8_MAX | |
317 | #undef UINT_LEAST8_MAX | |
318 | #define INT_LEAST8_MIN INT8_MIN | |
319 | #define INT_LEAST8_MAX INT8_MAX | |
320 | #define UINT_LEAST8_MAX UINT8_MAX | |
321 | ||
322 | #undef INT_LEAST16_MIN | |
323 | #undef INT_LEAST16_MAX | |
324 | #undef UINT_LEAST16_MAX | |
325 | #define INT_LEAST16_MIN INT16_MIN | |
326 | #define INT_LEAST16_MAX INT16_MAX | |
327 | #define UINT_LEAST16_MAX UINT16_MAX | |
328 | ||
329 | #undef INT_LEAST32_MIN | |
330 | #undef INT_LEAST32_MAX | |
331 | #undef UINT_LEAST32_MAX | |
332 | #define INT_LEAST32_MIN INT32_MIN | |
333 | #define INT_LEAST32_MAX INT32_MAX | |
334 | #define UINT_LEAST32_MAX UINT32_MAX | |
335 | ||
336 | #undef INT_LEAST64_MIN | |
337 | #undef INT_LEAST64_MAX | |
338 | #ifdef GL_INT64_T | |
339 | # define INT_LEAST64_MIN INT64_MIN | |
340 | # define INT_LEAST64_MAX INT64_MAX | |
341 | #endif | |
342 | ||
343 | #undef UINT_LEAST64_MAX | |
344 | #ifdef GL_UINT64_T | |
345 | # define UINT_LEAST64_MAX UINT64_MAX | |
346 | #endif | |
347 | ||
348 | /* 7.18.2.3. Limits of fastest minimum-width integer types */ | |
349 | ||
350 | /* Here we assume a standard architecture where the hardware integer | |
351 | types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types | |
352 | are taken from the same list of types. */ | |
353 | ||
354 | #undef INT_FAST8_MIN | |
355 | #undef INT_FAST8_MAX | |
356 | #undef UINT_FAST8_MAX | |
357 | #define INT_FAST8_MIN LONG_MIN | |
358 | #define INT_FAST8_MAX LONG_MAX | |
359 | #define UINT_FAST8_MAX ULONG_MAX | |
360 | ||
361 | #undef INT_FAST16_MIN | |
362 | #undef INT_FAST16_MAX | |
363 | #undef UINT_FAST16_MAX | |
364 | #define INT_FAST16_MIN LONG_MIN | |
365 | #define INT_FAST16_MAX LONG_MAX | |
366 | #define UINT_FAST16_MAX ULONG_MAX | |
367 | ||
368 | #undef INT_FAST32_MIN | |
369 | #undef INT_FAST32_MAX | |
370 | #undef UINT_FAST32_MAX | |
371 | #define INT_FAST32_MIN LONG_MIN | |
372 | #define INT_FAST32_MAX LONG_MAX | |
373 | #define UINT_FAST32_MAX ULONG_MAX | |
374 | ||
375 | #undef INT_FAST64_MIN | |
376 | #undef INT_FAST64_MAX | |
377 | #ifdef GL_INT64_T | |
378 | # define INT_FAST64_MIN INT64_MIN | |
379 | # define INT_FAST64_MAX INT64_MAX | |
380 | #endif | |
381 | ||
382 | #undef UINT_FAST64_MAX | |
383 | #ifdef GL_UINT64_T | |
384 | # define UINT_FAST64_MAX UINT64_MAX | |
385 | #endif | |
386 | ||
387 | /* 7.18.2.4. Limits of integer types capable of holding object pointers */ | |
388 | ||
389 | #undef INTPTR_MIN | |
390 | #undef INTPTR_MAX | |
391 | #undef UINTPTR_MAX | |
392 | #define INTPTR_MIN LONG_MIN | |
393 | #define INTPTR_MAX LONG_MAX | |
394 | #define UINTPTR_MAX ULONG_MAX | |
395 | ||
396 | /* 7.18.2.5. Limits of greatest-width integer types */ | |
397 | ||
398 | #undef INTMAX_MIN | |
399 | #undef INTMAX_MAX | |
400 | #ifdef INT64_MAX | |
401 | # define INTMAX_MIN INT64_MIN | |
402 | # define INTMAX_MAX INT64_MAX | |
403 | #else | |
404 | # define INTMAX_MIN INT32_MIN | |
405 | # define INTMAX_MAX INT32_MAX | |
406 | #endif | |
407 | ||
408 | #undef UINTMAX_MAX | |
409 | #ifdef UINT64_MAX | |
410 | # define UINTMAX_MAX UINT64_MAX | |
411 | #else | |
412 | # define UINTMAX_MAX UINT32_MAX | |
413 | #endif | |
414 | ||
415 | /* 7.18.3. Limits of other integer types */ | |
416 | ||
417 | /* ptrdiff_t limits */ | |
418 | #undef PTRDIFF_MIN | |
419 | #undef PTRDIFF_MAX | |
420 | #define PTRDIFF_MIN \ | |
421 | _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@) | |
422 | #define PTRDIFF_MAX \ | |
423 | _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@) | |
424 | ||
425 | /* sig_atomic_t limits */ | |
426 | #undef SIG_ATOMIC_MIN | |
427 | #undef SIG_ATOMIC_MAX | |
428 | #define SIG_ATOMIC_MIN \ | |
429 | _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \ | |
430 | 0@SIG_ATOMIC_T_SUFFIX@) | |
431 | #define SIG_ATOMIC_MAX \ | |
432 | _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \ | |
433 | 0@SIG_ATOMIC_T_SUFFIX@) | |
434 | ||
435 | ||
436 | /* size_t limit */ | |
437 | #undef SIZE_MAX | |
438 | #define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@) | |
439 | ||
440 | /* wchar_t limits */ | |
441 | #undef WCHAR_MIN | |
442 | #undef WCHAR_MAX | |
443 | #define WCHAR_MIN \ | |
444 | _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@) | |
445 | #define WCHAR_MAX \ | |
446 | _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@) | |
447 | ||
448 | /* wint_t limits */ | |
449 | #undef WINT_MIN | |
450 | #undef WINT_MAX | |
451 | #define WINT_MIN \ | |
452 | _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) | |
453 | #define WINT_MAX \ | |
454 | _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) | |
455 | ||
456 | #endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */ | |
457 | ||
458 | /* 7.18.4. Macros for integer constants */ | |
459 | ||
460 | #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS | |
461 | ||
462 | /* 7.18.4.1. Macros for minimum-width integer constants */ | |
463 | /* According to ISO C 99 Technical Corrigendum 1 */ | |
464 | ||
465 | /* Here we assume a standard architecture where the hardware integer | |
466 | types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */ | |
467 | ||
468 | #undef INT8_C | |
469 | #undef UINT8_C | |
470 | #define INT8_C(x) x | |
471 | #define UINT8_C(x) x | |
472 | ||
473 | #undef INT16_C | |
474 | #undef UINT16_C | |
475 | #define INT16_C(x) x | |
476 | #define UINT16_C(x) x | |
477 | ||
478 | #undef INT32_C | |
479 | #undef UINT32_C | |
480 | #define INT32_C(x) x | |
481 | #define UINT32_C(x) x ## U | |
482 | ||
483 | #undef INT64_C | |
484 | #undef UINT64_C | |
485 | #if LONG_MAX >> 31 >> 31 == 1 | |
486 | # define INT64_C(x) x##L | |
487 | #elif defined _MSC_VER | |
488 | # define INT64_C(x) x##i64 | |
489 | #elif @HAVE_LONG_LONG_INT@ | |
490 | # define INT64_C(x) x##LL | |
491 | #endif | |
492 | #if ULONG_MAX >> 31 >> 31 >> 1 == 1 | |
493 | # define UINT64_C(x) x##UL | |
494 | #elif defined _MSC_VER | |
495 | # define UINT64_C(x) x##ui64 | |
496 | #elif @HAVE_UNSIGNED_LONG_LONG_INT@ | |
497 | # define UINT64_C(x) x##ULL | |
498 | #endif | |
499 | ||
500 | /* 7.18.4.2. Macros for greatest-width integer constants */ | |
501 | ||
502 | #undef INTMAX_C | |
503 | #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1 | |
504 | # define INTMAX_C(x) x##LL | |
505 | #elif defined GL_INT64_T | |
506 | # define INTMAX_C(x) INT64_C(x) | |
507 | #else | |
508 | # define INTMAX_C(x) x##L | |
509 | #endif | |
510 | ||
511 | #undef UINTMAX_C | |
512 | #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1 | |
513 | # define UINTMAX_C(x) x##ULL | |
514 | #elif defined GL_UINT64_T | |
515 | # define UINTMAX_C(x) UINT64_C(x) | |
516 | #else | |
517 | # define UINTMAX_C(x) x##UL | |
518 | #endif | |
519 | ||
520 | #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */ | |
521 | ||
522 | #endif /* _GL_STDINT_H */ | |
523 | #endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */ |