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0fb0cc75 | 1 | /* Copyright (C) 2001-2002, 2004-2007, 2009 Free Software Foundation, Inc. |
f6ea5628 DJ |
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 | |
0fb0cc75 | 7 | the Free Software Foundation; either version 2, or (at your option) |
f6ea5628 DJ |
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 | /* | |
20 | * ISO C 99 <stdint.h> for platforms that lack it. | |
21 | * <http://www.opengroup.org/susv3xbd/stdint.h.html> | |
22 | */ | |
23 | ||
24 | #ifndef _GL_STDINT_H | |
25 | ||
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 | |
29 | <inttypes.h>. */ | |
30 | #define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H | |
31 | ||
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. */ | |
39 | ||
40 | #if @HAVE_STDINT_H@ | |
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" | |
44 | diagnostics. */ | |
45 | # define __STDINT_H__ | |
46 | # endif | |
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. */ | |
52 | # @INCLUDE_NEXT@ @NEXT_STDINT_H@ | |
53 | #endif | |
54 | ||
55 | #if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H | |
56 | #define _GL_STDINT_H | |
57 | ||
58 | /* <sys/types.h> defines some of the stdint.h types as well, on glibc, | |
59 | IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>). | |
60 | AIX 5.2 <sys/types.h> isn't needed and causes troubles. | |
61 | MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but | |
62 | relies on the system <stdint.h> definitions, so include | |
63 | <sys/types.h> after @NEXT_STDINT_H@. */ | |
64 | #if @HAVE_SYS_TYPES_H@ && ! defined _AIX | |
65 | # include <sys/types.h> | |
66 | #endif | |
67 | ||
68 | /* Get LONG_MIN, LONG_MAX, ULONG_MAX. */ | |
69 | #include <limits.h> | |
70 | ||
71 | #if @HAVE_INTTYPES_H@ | |
72 | /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines | |
73 | int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__. | |
74 | <inttypes.h> also defines intptr_t and uintptr_t. */ | |
75 | # include <inttypes.h> | |
76 | #elif @HAVE_SYS_INTTYPES_H@ | |
77 | /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and | |
78 | the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */ | |
79 | # include <sys/inttypes.h> | |
80 | #endif | |
81 | ||
82 | #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__ | |
83 | /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines | |
84 | int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is | |
85 | included by <sys/types.h>. */ | |
86 | # include <sys/bitypes.h> | |
87 | #endif | |
88 | ||
89 | #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS | |
90 | ||
91 | /* Get WCHAR_MIN, WCHAR_MAX. */ | |
92 | # if ! (defined WCHAR_MIN && defined WCHAR_MAX) | |
93 | # include <wchar.h> | |
94 | # endif | |
95 | ||
96 | #endif | |
97 | ||
98 | #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H | |
99 | ||
100 | /* Minimum and maximum values for a integer type under the usual assumption. | |
101 | Return an unspecified value if BITS == 0, adding a check to pacify | |
102 | picky compilers. */ | |
103 | ||
104 | #define _STDINT_MIN(signed, bits, zero) \ | |
105 | ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero)) | |
106 | ||
107 | #define _STDINT_MAX(signed, bits, zero) \ | |
108 | ((signed) \ | |
109 | ? ~ _STDINT_MIN (signed, bits, zero) \ | |
110 | : /* The expression for the unsigned case. The subtraction of (signed) \ | |
111 | is a nop in the unsigned case and avoids "signed integer overflow" \ | |
112 | warnings in the signed case. */ \ | |
113 | ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1) | |
114 | ||
115 | /* 7.18.1.1. Exact-width integer types */ | |
116 | ||
117 | /* Here we assume a standard architecture where the hardware integer | |
118 | types have 8, 16, 32, optionally 64 bits. */ | |
119 | ||
120 | #undef int8_t | |
121 | #undef uint8_t | |
122 | #define int8_t signed char | |
123 | #define uint8_t unsigned char | |
124 | ||
125 | #undef int16_t | |
126 | #undef uint16_t | |
127 | #define int16_t short int | |
128 | #define uint16_t unsigned short int | |
129 | ||
130 | #undef int32_t | |
131 | #undef uint32_t | |
132 | #define int32_t int | |
133 | #define uint32_t unsigned int | |
134 | ||
135 | /* Do not undefine int64_t if gnulib is not being used with 64-bit | |
136 | types, since otherwise it breaks platforms like Tandem/NSK. */ | |
137 | #if LONG_MAX >> 31 >> 31 == 1 | |
138 | # undef int64_t | |
139 | # define int64_t long int | |
140 | # define GL_INT64_T | |
141 | #elif defined _MSC_VER | |
142 | # undef int64_t | |
143 | # define int64_t __int64 | |
144 | # define GL_INT64_T | |
145 | #elif @HAVE_LONG_LONG_INT@ | |
146 | # undef int64_t | |
147 | # define int64_t long long int | |
148 | # define GL_INT64_T | |
149 | #endif | |
150 | ||
151 | #if ULONG_MAX >> 31 >> 31 >> 1 == 1 | |
152 | # undef uint64_t | |
153 | # define uint64_t unsigned long int | |
154 | # define GL_UINT64_T | |
155 | #elif defined _MSC_VER | |
156 | # undef uint64_t | |
157 | # define uint64_t unsigned __int64 | |
158 | # define GL_UINT64_T | |
159 | #elif @HAVE_UNSIGNED_LONG_LONG_INT@ | |
160 | # undef uint64_t | |
161 | # define uint64_t unsigned long long int | |
162 | # define GL_UINT64_T | |
163 | #endif | |
164 | ||
165 | /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */ | |
166 | #define _UINT8_T | |
167 | #define _UINT32_T | |
168 | #define _UINT64_T | |
169 | ||
170 | ||
171 | /* 7.18.1.2. Minimum-width integer types */ | |
172 | ||
173 | /* Here we assume a standard architecture where the hardware integer | |
174 | types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types | |
175 | are the same as the corresponding N_t types. */ | |
176 | ||
177 | #undef int_least8_t | |
178 | #undef uint_least8_t | |
179 | #undef int_least16_t | |
180 | #undef uint_least16_t | |
181 | #undef int_least32_t | |
182 | #undef uint_least32_t | |
183 | #undef int_least64_t | |
184 | #undef uint_least64_t | |
185 | #define int_least8_t int8_t | |
186 | #define uint_least8_t uint8_t | |
187 | #define int_least16_t int16_t | |
188 | #define uint_least16_t uint16_t | |
189 | #define int_least32_t int32_t | |
190 | #define uint_least32_t uint32_t | |
191 | #ifdef GL_INT64_T | |
192 | # define int_least64_t int64_t | |
193 | #endif | |
194 | #ifdef GL_UINT64_T | |
195 | # define uint_least64_t uint64_t | |
196 | #endif | |
197 | ||
198 | /* 7.18.1.3. Fastest minimum-width integer types */ | |
199 | ||
200 | /* Note: Other <stdint.h> substitutes may define these types differently. | |
201 | It is not recommended to use these types in public header files. */ | |
202 | ||
203 | /* Here we assume a standard architecture where the hardware integer | |
204 | types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types | |
205 | are taken from the same list of types. Assume that 'long int' | |
206 | is fast enough for all narrower integers. */ | |
207 | ||
208 | #undef int_fast8_t | |
209 | #undef uint_fast8_t | |
210 | #undef int_fast16_t | |
211 | #undef uint_fast16_t | |
212 | #undef int_fast32_t | |
213 | #undef uint_fast32_t | |
214 | #undef int_fast64_t | |
215 | #undef uint_fast64_t | |
216 | #define int_fast8_t long int | |
217 | #define uint_fast8_t unsigned int_fast8_t | |
218 | #define int_fast16_t long int | |
219 | #define uint_fast16_t unsigned int_fast16_t | |
220 | #define int_fast32_t long int | |
221 | #define uint_fast32_t unsigned int_fast32_t | |
222 | #ifdef GL_INT64_T | |
223 | # define int_fast64_t int64_t | |
224 | #endif | |
225 | #ifdef GL_UINT64_T | |
226 | # define uint_fast64_t uint64_t | |
227 | #endif | |
228 | ||
229 | /* 7.18.1.4. Integer types capable of holding object pointers */ | |
230 | ||
231 | #undef intptr_t | |
232 | #undef uintptr_t | |
233 | #define intptr_t long int | |
234 | #define uintptr_t unsigned long int | |
235 | ||
236 | /* 7.18.1.5. Greatest-width integer types */ | |
237 | ||
238 | /* Note: These types are compiler dependent. It may be unwise to use them in | |
239 | public header files. */ | |
240 | ||
241 | #undef intmax_t | |
242 | #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1 | |
243 | # define intmax_t long long int | |
244 | #elif defined GL_INT64_T | |
245 | # define intmax_t int64_t | |
246 | #else | |
247 | # define intmax_t long int | |
248 | #endif | |
249 | ||
250 | #undef uintmax_t | |
251 | #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1 | |
252 | # define uintmax_t unsigned long long int | |
253 | #elif defined GL_UINT64_T | |
254 | # define uintmax_t uint64_t | |
255 | #else | |
256 | # define uintmax_t unsigned long int | |
257 | #endif | |
258 | ||
259 | /* Verify that intmax_t and uintmax_t have the same size. Too much code | |
260 | breaks if this is not the case. If this check fails, the reason is likely | |
261 | to be found in the autoconf macros. */ | |
262 | typedef int _verify_intmax_size[2 * (sizeof (intmax_t) == sizeof (uintmax_t)) - 1]; | |
263 | ||
264 | /* 7.18.2. Limits of specified-width integer types */ | |
265 | ||
266 | #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS | |
267 | ||
268 | /* 7.18.2.1. Limits of exact-width integer types */ | |
269 | ||
270 | /* Here we assume a standard architecture where the hardware integer | |
271 | types have 8, 16, 32, optionally 64 bits. */ | |
272 | ||
273 | #undef INT8_MIN | |
274 | #undef INT8_MAX | |
275 | #undef UINT8_MAX | |
276 | #define INT8_MIN (~ INT8_MAX) | |
277 | #define INT8_MAX 127 | |
278 | #define UINT8_MAX 255 | |
279 | ||
280 | #undef INT16_MIN | |
281 | #undef INT16_MAX | |
282 | #undef UINT16_MAX | |
283 | #define INT16_MIN (~ INT16_MAX) | |
284 | #define INT16_MAX 32767 | |
285 | #define UINT16_MAX 65535 | |
286 | ||
287 | #undef INT32_MIN | |
288 | #undef INT32_MAX | |
289 | #undef UINT32_MAX | |
290 | #define INT32_MIN (~ INT32_MAX) | |
291 | #define INT32_MAX 2147483647 | |
292 | #define UINT32_MAX 4294967295U | |
293 | ||
294 | #undef INT64_MIN | |
295 | #undef INT64_MAX | |
296 | #ifdef GL_INT64_T | |
297 | /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0 | |
298 | evaluates the latter incorrectly in preprocessor expressions. */ | |
299 | # define INT64_MIN (- INTMAX_C (1) << 63) | |
300 | # define INT64_MAX INTMAX_C (9223372036854775807) | |
301 | #endif | |
302 | ||
303 | #undef UINT64_MAX | |
304 | #ifdef GL_UINT64_T | |
305 | # define UINT64_MAX UINTMAX_C (18446744073709551615) | |
306 | #endif | |
307 | ||
308 | /* 7.18.2.2. Limits of minimum-width integer types */ | |
309 | ||
310 | /* Here we assume a standard architecture where the hardware integer | |
311 | types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types | |
312 | are the same as the corresponding N_t types. */ | |
313 | ||
314 | #undef INT_LEAST8_MIN | |
315 | #undef INT_LEAST8_MAX | |
316 | #undef UINT_LEAST8_MAX | |
317 | #define INT_LEAST8_MIN INT8_MIN | |
318 | #define INT_LEAST8_MAX INT8_MAX | |
319 | #define UINT_LEAST8_MAX UINT8_MAX | |
320 | ||
321 | #undef INT_LEAST16_MIN | |
322 | #undef INT_LEAST16_MAX | |
323 | #undef UINT_LEAST16_MAX | |
324 | #define INT_LEAST16_MIN INT16_MIN | |
325 | #define INT_LEAST16_MAX INT16_MAX | |
326 | #define UINT_LEAST16_MAX UINT16_MAX | |
327 | ||
328 | #undef INT_LEAST32_MIN | |
329 | #undef INT_LEAST32_MAX | |
330 | #undef UINT_LEAST32_MAX | |
331 | #define INT_LEAST32_MIN INT32_MIN | |
332 | #define INT_LEAST32_MAX INT32_MAX | |
333 | #define UINT_LEAST32_MAX UINT32_MAX | |
334 | ||
335 | #undef INT_LEAST64_MIN | |
336 | #undef INT_LEAST64_MAX | |
337 | #ifdef GL_INT64_T | |
338 | # define INT_LEAST64_MIN INT64_MIN | |
339 | # define INT_LEAST64_MAX INT64_MAX | |
340 | #endif | |
341 | ||
342 | #undef UINT_LEAST64_MAX | |
343 | #ifdef GL_UINT64_T | |
344 | # define UINT_LEAST64_MAX UINT64_MAX | |
345 | #endif | |
346 | ||
347 | /* 7.18.2.3. Limits of fastest minimum-width integer types */ | |
348 | ||
349 | /* Here we assume a standard architecture where the hardware integer | |
350 | types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types | |
351 | are taken from the same list of types. */ | |
352 | ||
353 | #undef INT_FAST8_MIN | |
354 | #undef INT_FAST8_MAX | |
355 | #undef UINT_FAST8_MAX | |
356 | #define INT_FAST8_MIN LONG_MIN | |
357 | #define INT_FAST8_MAX LONG_MAX | |
358 | #define UINT_FAST8_MAX ULONG_MAX | |
359 | ||
360 | #undef INT_FAST16_MIN | |
361 | #undef INT_FAST16_MAX | |
362 | #undef UINT_FAST16_MAX | |
363 | #define INT_FAST16_MIN LONG_MIN | |
364 | #define INT_FAST16_MAX LONG_MAX | |
365 | #define UINT_FAST16_MAX ULONG_MAX | |
366 | ||
367 | #undef INT_FAST32_MIN | |
368 | #undef INT_FAST32_MAX | |
369 | #undef UINT_FAST32_MAX | |
370 | #define INT_FAST32_MIN LONG_MIN | |
371 | #define INT_FAST32_MAX LONG_MAX | |
372 | #define UINT_FAST32_MAX ULONG_MAX | |
373 | ||
374 | #undef INT_FAST64_MIN | |
375 | #undef INT_FAST64_MAX | |
376 | #ifdef GL_INT64_T | |
377 | # define INT_FAST64_MIN INT64_MIN | |
378 | # define INT_FAST64_MAX INT64_MAX | |
379 | #endif | |
380 | ||
381 | #undef UINT_FAST64_MAX | |
382 | #ifdef GL_UINT64_T | |
383 | # define UINT_FAST64_MAX UINT64_MAX | |
384 | #endif | |
385 | ||
386 | /* 7.18.2.4. Limits of integer types capable of holding object pointers */ | |
387 | ||
388 | #undef INTPTR_MIN | |
389 | #undef INTPTR_MAX | |
390 | #undef UINTPTR_MAX | |
391 | #define INTPTR_MIN LONG_MIN | |
392 | #define INTPTR_MAX LONG_MAX | |
393 | #define UINTPTR_MAX ULONG_MAX | |
394 | ||
395 | /* 7.18.2.5. Limits of greatest-width integer types */ | |
396 | ||
397 | #undef INTMAX_MIN | |
398 | #undef INTMAX_MAX | |
399 | #ifdef INT64_MAX | |
400 | # define INTMAX_MIN INT64_MIN | |
401 | # define INTMAX_MAX INT64_MAX | |
402 | #else | |
403 | # define INTMAX_MIN INT32_MIN | |
404 | # define INTMAX_MAX INT32_MAX | |
405 | #endif | |
406 | ||
407 | #undef UINTMAX_MAX | |
408 | #ifdef UINT64_MAX | |
409 | # define UINTMAX_MAX UINT64_MAX | |
410 | #else | |
411 | # define UINTMAX_MAX UINT32_MAX | |
412 | #endif | |
413 | ||
414 | /* 7.18.3. Limits of other integer types */ | |
415 | ||
416 | /* ptrdiff_t limits */ | |
417 | #undef PTRDIFF_MIN | |
418 | #undef PTRDIFF_MAX | |
419 | #define PTRDIFF_MIN \ | |
420 | _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@) | |
421 | #define PTRDIFF_MAX \ | |
422 | _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@) | |
423 | ||
424 | /* sig_atomic_t limits */ | |
425 | #undef SIG_ATOMIC_MIN | |
426 | #undef SIG_ATOMIC_MAX | |
427 | #define SIG_ATOMIC_MIN \ | |
428 | _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \ | |
429 | 0@SIG_ATOMIC_T_SUFFIX@) | |
430 | #define SIG_ATOMIC_MAX \ | |
431 | _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \ | |
432 | 0@SIG_ATOMIC_T_SUFFIX@) | |
433 | ||
434 | ||
435 | /* size_t limit */ | |
436 | #undef SIZE_MAX | |
437 | #define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@) | |
438 | ||
439 | /* wchar_t limits */ | |
440 | #undef WCHAR_MIN | |
441 | #undef WCHAR_MAX | |
442 | #define WCHAR_MIN \ | |
443 | _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@) | |
444 | #define WCHAR_MAX \ | |
445 | _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@) | |
446 | ||
447 | /* wint_t limits */ | |
448 | #undef WINT_MIN | |
449 | #undef WINT_MAX | |
450 | #define WINT_MIN \ | |
451 | _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) | |
452 | #define WINT_MAX \ | |
453 | _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) | |
454 | ||
455 | #endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */ | |
456 | ||
457 | /* 7.18.4. Macros for integer constants */ | |
458 | ||
459 | #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS | |
460 | ||
461 | /* 7.18.4.1. Macros for minimum-width integer constants */ | |
462 | /* According to ISO C 99 Technical Corrigendum 1 */ | |
463 | ||
464 | /* Here we assume a standard architecture where the hardware integer | |
465 | types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */ | |
466 | ||
467 | #undef INT8_C | |
468 | #undef UINT8_C | |
469 | #define INT8_C(x) x | |
470 | #define UINT8_C(x) x | |
471 | ||
472 | #undef INT16_C | |
473 | #undef UINT16_C | |
474 | #define INT16_C(x) x | |
475 | #define UINT16_C(x) x | |
476 | ||
477 | #undef INT32_C | |
478 | #undef UINT32_C | |
479 | #define INT32_C(x) x | |
480 | #define UINT32_C(x) x ## U | |
481 | ||
482 | #undef INT64_C | |
483 | #undef UINT64_C | |
484 | #if LONG_MAX >> 31 >> 31 == 1 | |
485 | # define INT64_C(x) x##L | |
486 | #elif defined _MSC_VER | |
487 | # define INT64_C(x) x##i64 | |
488 | #elif @HAVE_LONG_LONG_INT@ | |
489 | # define INT64_C(x) x##LL | |
490 | #endif | |
491 | #if ULONG_MAX >> 31 >> 31 >> 1 == 1 | |
492 | # define UINT64_C(x) x##UL | |
493 | #elif defined _MSC_VER | |
494 | # define UINT64_C(x) x##ui64 | |
495 | #elif @HAVE_UNSIGNED_LONG_LONG_INT@ | |
496 | # define UINT64_C(x) x##ULL | |
497 | #endif | |
498 | ||
499 | /* 7.18.4.2. Macros for greatest-width integer constants */ | |
500 | ||
501 | #undef INTMAX_C | |
502 | #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1 | |
503 | # define INTMAX_C(x) x##LL | |
504 | #elif defined GL_INT64_T | |
505 | # define INTMAX_C(x) INT64_C(x) | |
506 | #else | |
507 | # define INTMAX_C(x) x##L | |
508 | #endif | |
509 | ||
510 | #undef UINTMAX_C | |
511 | #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1 | |
512 | # define UINTMAX_C(x) x##ULL | |
513 | #elif defined GL_UINT64_T | |
514 | # define UINTMAX_C(x) UINT64_C(x) | |
515 | #else | |
516 | # define UINTMAX_C(x) x##UL | |
517 | #endif | |
518 | ||
519 | #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */ | |
520 | ||
521 | #endif /* _GL_STDINT_H */ | |
522 | #endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */ |