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Tiny but handy utility libraries for C
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integer.h
1
/*
2
* @file integer.h
3
* @brief Fixed-width integer types for C (portable across platforms).
4
* @author ByteBard
5
* @copyright MIT
6
*
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* This header provides fixed-width integer types (e.g., int32_t, uint64_t)
8
* for C89, C99, and MSVC environments.
9
*
10
* For pre-C99 compilers, run get_sizeof_data_type.c first to generate
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* _sizeof_data_type.h with platform-specific size definitions.
12
*
13
* Design goals:
14
* - Prefer the native implementation when <stdint.h> is available.
15
* - Provide a practical C89/MSVC fallback for exact-width integer types.
16
* - Define min/max macros for the integer types that are actually available.
17
* - Define intmax_t / uintmax_t.
18
* - Define intptr_t / uintptr_t only when a suitable integer type exists.
19
* - Define SIZE_MAX if it is missing.
20
*
21
* Notes:
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* - Exact-width types are only defined if the implementation actually
23
* provides a matching width.
24
* - On unusual architectures, some exact-width types may be unavailable.
25
*/
26
27
#ifndef INTEGER_H
28
#define INTEGER_H
29
30
#include <limits.h>
31
#include <stddef.h>
32
33
/* ------------------------------------------------------------------------- */
34
/* Native C99+ path */
35
/* ------------------------------------------------------------------------- */
36
37
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
38
39
#include <stdint.h>
40
41
#ifdef INT8_MAX
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#define INT8_IS_DEFINED
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#define UINT8_IS_DEFINED
44
#endif
45
46
#ifdef INT16_MAX
47
#define INT16_IS_DEFINED
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#define UINT16_IS_DEFINED
49
#endif
50
51
#ifdef INT32_MAX
52
#define INT32_IS_DEFINED
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#define UINT32_IS_DEFINED
54
#endif
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56
#ifdef INT64_MAX
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#define INT64_IS_DEFINED
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#define UINT64_IS_DEFINED
59
#endif
60
61
#ifndef SIZE_MAX
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#define SIZE_MAX ((size_t)-1)
63
#endif
64
65
/* ------------------------------------------------------------------------- */
66
/* Microsoft Visual C++ path */
67
/* ------------------------------------------------------------------------- */
68
69
#elif defined(_MSC_VER)
70
71
typedef
signed
char
int8_t;
72
typedef
unsigned
char
uint8_t;
73
typedef
signed
short
int16_t;
74
typedef
unsigned
short
uint16_t;
75
typedef
signed
int
int32_t;
76
typedef
unsigned
int
uint32_t;
77
typedef
signed
__int64 int64_t;
78
typedef
unsigned
__int64 uint64_t;
79
80
#define INT8_IS_DEFINED
81
#define UINT8_IS_DEFINED
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#define INT16_IS_DEFINED
83
#define UINT16_IS_DEFINED
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#define INT32_IS_DEFINED
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#define UINT32_IS_DEFINED
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#define INT64_IS_DEFINED
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#define UINT64_IS_DEFINED
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89
#ifndef INT8_MIN
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#define INT8_MIN SCHAR_MIN
91
#endif
92
#ifndef INT8_MAX
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#define INT8_MAX SCHAR_MAX
94
#endif
95
#ifndef UINT8_MAX
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#define UINT8_MAX UCHAR_MAX
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#endif
98
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#ifndef INT16_MIN
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#define INT16_MIN SHRT_MIN
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#endif
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#ifndef INT16_MAX
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#define INT16_MAX SHRT_MAX
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#endif
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#ifndef UINT16_MAX
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#define UINT16_MAX USHRT_MAX
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#endif
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#ifndef INT32_MIN
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#define INT32_MIN INT_MIN
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#endif
112
#ifndef INT32_MAX
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#define INT32_MAX INT_MAX
114
#endif
115
#ifndef UINT32_MAX
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#define UINT32_MAX UINT_MAX
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#endif
118
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#ifndef INT64_MIN
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#define INT64_MIN (-9223372036854775807i64 - 1)
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#endif
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#ifndef INT64_MAX
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#define INT64_MAX 9223372036854775807i64
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#endif
125
#ifndef UINT64_MAX
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#define UINT64_MAX 18446744073709551615ui64
127
#endif
128
129
typedef
int64_t intmax_t;
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typedef
uint64_t uintmax_t;
131
132
#ifndef INTMAX_MIN
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#define INTMAX_MIN INT64_MIN
134
#endif
135
#ifndef INTMAX_MAX
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#define INTMAX_MAX INT64_MAX
137
#endif
138
#ifndef UINTMAX_MAX
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#define UINTMAX_MAX UINT64_MAX
140
#endif
141
142
#if defined(_WIN64)
143
typedef
signed
__int64 intptr_t;
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typedef
unsigned
__int64 uintptr_t;
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#ifndef INTPTR_MIN
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#define INTPTR_MIN INT64_MIN
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#endif
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#ifndef INTPTR_MAX
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#define INTPTR_MAX INT64_MAX
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#endif
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#ifndef UINTPTR_MAX
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#define UINTPTR_MAX UINT64_MAX
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#endif
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#else
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typedef
signed
int
intptr_t;
156
typedef
unsigned
int
uintptr_t;
157
#ifndef INTPTR_MIN
158
#define INTPTR_MIN INT32_MIN
159
#endif
160
#ifndef INTPTR_MAX
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#define INTPTR_MAX INT32_MAX
162
#endif
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#ifndef UINTPTR_MAX
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#define UINTPTR_MAX UINT32_MAX
165
#endif
166
#endif
167
168
#ifndef SIZE_MAX
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#define SIZE_MAX ((size_t)-1)
170
#endif
171
172
/* ------------------------------------------------------------------------- */
173
/* Fallback C89 path */
174
/* ------------------------------------------------------------------------- */
175
176
#else
177
178
#include "_sizeof_data_type.h"
179
180
/* --------------------------------------------------------------------- */
181
/* Exact-width integer typedef discovery */
182
/* --------------------------------------------------------------------- */
183
184
/* Use char */
185
#if _SIZEOF_CHAR == 8
186
typedef
signed
char
int8_t;
187
typedef
unsigned
char
uint8_t;
188
#define INT8_IS_DEFINED
189
#define UINT8_IS_DEFINED
190
#define INTEGER_INT8_BASE_SCHAR
191
#define INTEGER_UINT8_BASE_UCHAR
192
#elif _SIZEOF_CHAR == 16
193
typedef
signed
char
int16_t;
194
typedef
unsigned
char
uint16_t;
195
#define INT16_IS_DEFINED
196
#define UINT16_IS_DEFINED
197
#define INTEGER_INT16_BASE_SCHAR
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#define INTEGER_UINT16_BASE_UCHAR
199
#elif _SIZEOF_CHAR == 32
200
typedef
signed
char
int32_t;
201
typedef
unsigned
char
uint32_t;
202
#define INT32_IS_DEFINED
203
#define UINT32_IS_DEFINED
204
#define INTEGER_INT32_BASE_SCHAR
205
#define INTEGER_UINT32_BASE_UCHAR
206
#elif _SIZEOF_CHAR == 64
207
typedef
signed
char
int64_t;
208
typedef
unsigned
char
uint64_t;
209
#define INT64_IS_DEFINED
210
#define UINT64_IS_DEFINED
211
#define INTEGER_INT64_BASE_SCHAR
212
#define INTEGER_UINT64_BASE_UCHAR
213
#endif
214
215
/* Use short */
216
#if _SIZEOF_SHORT == 8
217
#ifndef INT8_IS_DEFINED
218
typedef
signed
short
int8_t;
219
typedef
unsigned
short
uint8_t;
220
#define INT8_IS_DEFINED
221
#define UINT8_IS_DEFINED
222
#define INTEGER_INT8_BASE_SHORT
223
#define INTEGER_UINT8_BASE_USHORT
224
#endif
225
#elif _SIZEOF_SHORT == 16
226
#ifndef INT16_IS_DEFINED
227
typedef
signed
short
int16_t;
228
typedef
unsigned
short
uint16_t;
229
#define INT16_IS_DEFINED
230
#define UINT16_IS_DEFINED
231
#define INTEGER_INT16_BASE_SHORT
232
#define INTEGER_UINT16_BASE_USHORT
233
#endif
234
#elif _SIZEOF_SHORT == 32
235
#ifndef INT32_IS_DEFINED
236
typedef
signed
short
int32_t;
237
typedef
unsigned
short
uint32_t;
238
#define INT32_IS_DEFINED
239
#define UINT32_IS_DEFINED
240
#define INTEGER_INT32_BASE_SHORT
241
#define INTEGER_UINT32_BASE_USHORT
242
#endif
243
#elif _SIZEOF_SHORT == 64
244
#ifndef INT64_IS_DEFINED
245
typedef
signed
short
int64_t;
246
typedef
unsigned
short
uint64_t;
247
#define INT64_IS_DEFINED
248
#define UINT64_IS_DEFINED
249
#define INTEGER_INT64_BASE_SHORT
250
#define INTEGER_UINT64_BASE_USHORT
251
#endif
252
#endif
253
254
/* Use int */
255
#if _SIZEOF_INT == 8
256
#ifndef INT8_IS_DEFINED
257
typedef
signed
int
int8_t;
258
typedef
unsigned
int
uint8_t;
259
#define INT8_IS_DEFINED
260
#define UINT8_IS_DEFINED
261
#define INTEGER_INT8_BASE_INT
262
#define INTEGER_UINT8_BASE_UINT
263
#endif
264
#elif _SIZEOF_INT == 16
265
#ifndef INT16_IS_DEFINED
266
typedef
signed
int
int16_t;
267
typedef
unsigned
int
uint16_t;
268
#define INT16_IS_DEFINED
269
#define UINT16_IS_DEFINED
270
#define INTEGER_INT16_BASE_INT
271
#define INTEGER_UINT16_BASE_UINT
272
#endif
273
#elif _SIZEOF_INT == 32
274
#ifndef INT32_IS_DEFINED
275
typedef
signed
int
int32_t;
276
typedef
unsigned
int
uint32_t;
277
#define INT32_IS_DEFINED
278
#define UINT32_IS_DEFINED
279
#define INTEGER_INT32_BASE_INT
280
#define INTEGER_UINT32_BASE_UINT
281
#endif
282
#elif _SIZEOF_INT == 64
283
#ifndef INT64_IS_DEFINED
284
typedef
signed
int
int64_t;
285
typedef
unsigned
int
uint64_t;
286
#define INT64_IS_DEFINED
287
#define UINT64_IS_DEFINED
288
#define INTEGER_INT64_BASE_INT
289
#define INTEGER_UINT64_BASE_UINT
290
#endif
291
#endif
292
293
/* Use long */
294
#if _SIZEOF_LONG == 8
295
#ifndef INT8_IS_DEFINED
296
typedef
signed
long
int8_t;
297
typedef
unsigned
long
uint8_t;
298
#define INT8_IS_DEFINED
299
#define UINT8_IS_DEFINED
300
#define INTEGER_INT8_BASE_LONG
301
#define INTEGER_UINT8_BASE_ULONG
302
#endif
303
#elif _SIZEOF_LONG == 16
304
#ifndef INT16_IS_DEFINED
305
typedef
signed
long
int16_t;
306
typedef
unsigned
long
uint16_t;
307
#define INT16_IS_DEFINED
308
#define UINT16_IS_DEFINED
309
#define INTEGER_INT16_BASE_LONG
310
#define INTEGER_UINT16_BASE_ULONG
311
#endif
312
#elif _SIZEOF_LONG == 32
313
#ifndef INT32_IS_DEFINED
314
typedef
signed
long
int32_t;
315
typedef
unsigned
long
uint32_t;
316
#define INT32_IS_DEFINED
317
#define UINT32_IS_DEFINED
318
#define INTEGER_INT32_BASE_LONG
319
#define INTEGER_UINT32_BASE_ULONG
320
#endif
321
#elif _SIZEOF_LONG == 64
322
#ifndef INT64_IS_DEFINED
323
typedef
signed
long
int64_t;
324
typedef
unsigned
long
uint64_t;
325
#define INT64_IS_DEFINED
326
#define UINT64_IS_DEFINED
327
#define INTEGER_INT64_BASE_LONG
328
#define INTEGER_UINT64_BASE_ULONG
329
#endif
330
#endif
331
332
/* Use long long if supported */
333
#if defined(__GNUC__) || defined(__clang__)
334
#ifdef _SIZEOF_LONG_LONG
335
#if _SIZEOF_LONG_LONG == 8
336
#ifndef INT8_IS_DEFINED
337
typedef
signed
long
long
int8_t;
338
typedef
unsigned
long
long
uint8_t;
339
#define INT8_IS_DEFINED
340
#define UINT8_IS_DEFINED
341
#define INTEGER_INT8_BASE_LLONG
342
#define INTEGER_UINT8_BASE_ULLONG
343
#endif
344
#elif _SIZEOF_LONG_LONG == 16
345
#ifndef INT16_IS_DEFINED
346
typedef
signed
long
long
int16_t;
347
typedef
unsigned
long
long
uint16_t;
348
#define INT16_IS_DEFINED
349
#define UINT16_IS_DEFINED
350
#define INTEGER_INT16_BASE_LLONG
351
#define INTEGER_UINT16_BASE_ULLONG
352
#endif
353
#elif _SIZEOF_LONG_LONG == 32
354
#ifndef INT32_IS_DEFINED
355
typedef
signed
long
long
int32_t;
356
typedef
unsigned
long
long
uint32_t;
357
#define INT32_IS_DEFINED
358
#define UINT32_IS_DEFINED
359
#define INTEGER_INT32_BASE_LLONG
360
#define INTEGER_UINT32_BASE_ULLONG
361
#endif
362
#elif _SIZEOF_LONG_LONG == 64
363
#ifndef INT64_IS_DEFINED
364
typedef
signed
long
long
int64_t;
365
typedef
unsigned
long
long
uint64_t;
366
#define INT64_IS_DEFINED
367
#define UINT64_IS_DEFINED
368
#define INTEGER_INT64_BASE_LLONG
369
#define INTEGER_UINT64_BASE_ULLONG
370
#endif
371
#endif
372
#endif
373
#endif
374
375
/* --------------------------------------------------------------------- */
376
/* Exact-width limits */
377
/* --------------------------------------------------------------------- */
378
379
#ifdef INT8_IS_DEFINED
380
#ifndef INT8_MIN
381
#if defined(INTEGER_INT8_BASE_SCHAR)
382
#define INT8_MIN SCHAR_MIN
383
#define INT8_MAX SCHAR_MAX
384
#elif defined(INTEGER_INT8_BASE_SHORT)
385
#define INT8_MIN SHRT_MIN
386
#define INT8_MAX SHRT_MAX
387
#elif defined(INTEGER_INT8_BASE_INT)
388
#define INT8_MIN INT_MIN
389
#define INT8_MAX INT_MAX
390
#elif defined(INTEGER_INT8_BASE_LONG)
391
#define INT8_MIN LONG_MIN
392
#define INT8_MAX LONG_MAX
393
#elif defined(INTEGER_INT8_BASE_LLONG)
394
#define INT8_MIN (-127LL - 1LL)
395
#define INT8_MAX 127LL
396
#endif
397
#endif
398
#endif
399
400
#ifdef UINT8_IS_DEFINED
401
#ifndef UINT8_MAX
402
#if defined(INTEGER_UINT8_BASE_UCHAR)
403
#define UINT8_MAX UCHAR_MAX
404
#elif defined(INTEGER_UINT8_BASE_USHORT)
405
#define UINT8_MAX USHRT_MAX
406
#elif defined(INTEGER_UINT8_BASE_UINT)
407
#define UINT8_MAX UINT_MAX
408
#elif defined(INTEGER_UINT8_BASE_ULONG)
409
#define UINT8_MAX ULONG_MAX
410
#elif defined(INTEGER_UINT8_BASE_ULLONG)
411
#define UINT8_MAX 255ULL
412
#endif
413
#endif
414
#endif
415
416
#ifdef INT16_IS_DEFINED
417
#ifndef INT16_MIN
418
#if defined(INTEGER_INT16_BASE_SCHAR)
419
#define INT16_MIN SCHAR_MIN
420
#define INT16_MAX SCHAR_MAX
421
#elif defined(INTEGER_INT16_BASE_SHORT)
422
#define INT16_MIN SHRT_MIN
423
#define INT16_MAX SHRT_MAX
424
#elif defined(INTEGER_INT16_BASE_INT)
425
#define INT16_MIN INT_MIN
426
#define INT16_MAX INT_MAX
427
#elif defined(INTEGER_INT16_BASE_LONG)
428
#define INT16_MIN LONG_MIN
429
#define INT16_MAX LONG_MAX
430
#elif defined(INTEGER_INT16_BASE_LLONG)
431
#define INT16_MIN (-32767LL - 1LL)
432
#define INT16_MAX 32767LL
433
#endif
434
#endif
435
#endif
436
437
#ifdef UINT16_IS_DEFINED
438
#ifndef UINT16_MAX
439
#if defined(INTEGER_UINT16_BASE_UCHAR)
440
#define UINT16_MAX UCHAR_MAX
441
#elif defined(INTEGER_UINT16_BASE_USHORT)
442
#define UINT16_MAX USHRT_MAX
443
#elif defined(INTEGER_UINT16_BASE_UINT)
444
#define UINT16_MAX UINT_MAX
445
#elif defined(INTEGER_UINT16_BASE_ULONG)
446
#define UINT16_MAX ULONG_MAX
447
#elif defined(INTEGER_UINT16_BASE_ULLONG)
448
#define UINT16_MAX 65535ULL
449
#endif
450
#endif
451
#endif
452
453
#ifdef INT32_IS_DEFINED
454
#ifndef INT32_MIN
455
#if defined(INTEGER_INT32_BASE_SCHAR)
456
#define INT32_MIN SCHAR_MIN
457
#define INT32_MAX SCHAR_MAX
458
#elif defined(INTEGER_INT32_BASE_SHORT)
459
#define INT32_MIN SHRT_MIN
460
#define INT32_MAX SHRT_MAX
461
#elif defined(INTEGER_INT32_BASE_INT)
462
#define INT32_MIN INT_MIN
463
#define INT32_MAX INT_MAX
464
#elif defined(INTEGER_INT32_BASE_LONG)
465
#define INT32_MIN LONG_MIN
466
#define INT32_MAX LONG_MAX
467
#elif defined(INTEGER_INT32_BASE_LLONG)
468
#define INT32_MIN (-2147483647LL - 1LL)
469
#define INT32_MAX 2147483647LL
470
#endif
471
#endif
472
#endif
473
474
#ifdef UINT32_IS_DEFINED
475
#ifndef UINT32_MAX
476
#if defined(INTEGER_UINT32_BASE_UCHAR)
477
#define UINT32_MAX UCHAR_MAX
478
#elif defined(INTEGER_UINT32_BASE_USHORT)
479
#define UINT32_MAX USHRT_MAX
480
#elif defined(INTEGER_UINT32_BASE_UINT)
481
#define UINT32_MAX UINT_MAX
482
#elif defined(INTEGER_UINT32_BASE_ULONG)
483
#define UINT32_MAX ULONG_MAX
484
#elif defined(INTEGER_UINT32_BASE_ULLONG)
485
#define UINT32_MAX 4294967295ULL
486
#endif
487
#endif
488
#endif
489
490
#ifdef INT64_IS_DEFINED
491
#ifndef INT64_MIN
492
#if defined(INTEGER_INT64_BASE_SCHAR)
493
#define INT64_MIN SCHAR_MIN
494
#define INT64_MAX SCHAR_MAX
495
#elif defined(INTEGER_INT64_BASE_SHORT)
496
#define INT64_MIN SHRT_MIN
497
#define INT64_MAX SHRT_MAX
498
#elif defined(INTEGER_INT64_BASE_INT)
499
#define INT64_MIN INT_MIN
500
#define INT64_MAX INT_MAX
501
#elif defined(INTEGER_INT64_BASE_LONG)
502
#define INT64_MIN LONG_MIN
503
#define INT64_MAX LONG_MAX
504
#elif defined(INTEGER_INT64_BASE_LLONG)
505
#define INT64_MIN (-9223372036854775807LL - 1LL)
506
#define INT64_MAX 9223372036854775807LL
507
#endif
508
#endif
509
#endif
510
511
#ifdef UINT64_IS_DEFINED
512
#ifndef UINT64_MAX
513
#if defined(INTEGER_UINT64_BASE_UCHAR)
514
#define UINT64_MAX UCHAR_MAX
515
#elif defined(INTEGER_UINT64_BASE_USHORT)
516
#define UINT64_MAX USHRT_MAX
517
#elif defined(INTEGER_UINT64_BASE_UINT)
518
#define UINT64_MAX UINT_MAX
519
#elif defined(INTEGER_UINT64_BASE_ULONG)
520
#define UINT64_MAX ULONG_MAX
521
#elif defined(INTEGER_UINT64_BASE_ULLONG)
522
#define UINT64_MAX 18446744073709551615ULL
523
#endif
524
#endif
525
#endif
526
527
/* --------------------------------------------------------------------- */
528
/* intmax_t / uintmax_t */
529
/* --------------------------------------------------------------------- */
530
531
#ifdef INT64_IS_DEFINED
532
typedef
int64_t intmax_t;
533
typedef
uint64_t uintmax_t;
534
#ifndef INTMAX_MIN
535
#define INTMAX_MIN INT64_MIN
536
#endif
537
#ifndef INTMAX_MAX
538
#define INTMAX_MAX INT64_MAX
539
#endif
540
#ifndef UINTMAX_MAX
541
#define UINTMAX_MAX UINT64_MAX
542
#endif
543
#elif defined(INT32_IS_DEFINED)
544
typedef
int32_t intmax_t;
545
typedef
uint32_t uintmax_t;
546
#ifndef INTMAX_MIN
547
#define INTMAX_MIN INT32_MIN
548
#endif
549
#ifndef INTMAX_MAX
550
#define INTMAX_MAX INT32_MAX
551
#endif
552
#ifndef UINTMAX_MAX
553
#define UINTMAX_MAX UINT32_MAX
554
#endif
555
#elif defined(INT16_IS_DEFINED)
556
typedef
int16_t intmax_t;
557
typedef
uint16_t uintmax_t;
558
#ifndef INTMAX_MIN
559
#define INTMAX_MIN INT16_MIN
560
#endif
561
#ifndef INTMAX_MAX
562
#define INTMAX_MAX INT16_MAX
563
#endif
564
#ifndef UINTMAX_MAX
565
#define UINTMAX_MAX UINT16_MAX
566
#endif
567
#elif defined(INT8_IS_DEFINED)
568
typedef
int8_t intmax_t;
569
typedef
uint8_t uintmax_t;
570
#ifndef INTMAX_MIN
571
#define INTMAX_MIN INT8_MIN
572
#endif
573
#ifndef INTMAX_MAX
574
#define INTMAX_MAX INT8_MAX
575
#endif
576
#ifndef UINTMAX_MAX
577
#define UINTMAX_MAX UINT8_MAX
578
#endif
579
#endif
580
581
/* --------------------------------------------------------------------- */
582
/* intptr_t / uintptr_t */
583
/* --------------------------------------------------------------------- */
584
585
#if _SIZEOF_VOID_P == 8
586
#ifdef INT8_IS_DEFINED
587
typedef
int8_t intptr_t;
588
typedef
uint8_t uintptr_t;
589
#ifndef INTPTR_MIN
590
#define INTPTR_MIN INT8_MIN
591
#endif
592
#ifndef INTPTR_MAX
593
#define INTPTR_MAX INT8_MAX
594
#endif
595
#ifndef UINTPTR_MAX
596
#define UINTPTR_MAX UINT8_MAX
597
#endif
598
#endif
599
#elif _SIZEOF_VOID_P == 16
600
#ifdef INT16_IS_DEFINED
601
typedef
int16_t intptr_t;
602
typedef
uint16_t uintptr_t;
603
#ifndef INTPTR_MIN
604
#define INTPTR_MIN INT16_MIN
605
#endif
606
#ifndef INTPTR_MAX
607
#define INTPTR_MAX INT16_MAX
608
#endif
609
#ifndef UINTPTR_MAX
610
#define UINTPTR_MAX UINT16_MAX
611
#endif
612
#endif
613
#elif _SIZEOF_VOID_P == 32
614
#ifdef INT32_IS_DEFINED
615
typedef
int32_t intptr_t;
616
typedef
uint32_t uintptr_t;
617
#ifndef INTPTR_MIN
618
#define INTPTR_MIN INT32_MIN
619
#endif
620
#ifndef INTPTR_MAX
621
#define INTPTR_MAX INT32_MAX
622
#endif
623
#ifndef UINTPTR_MAX
624
#define UINTPTR_MAX UINT32_MAX
625
#endif
626
#endif
627
#elif _SIZEOF_VOID_P == 64
628
#ifdef INT64_IS_DEFINED
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typedef
int64_t intptr_t;
630
typedef
uint64_t uintptr_t;
631
#ifndef INTPTR_MIN
632
#define INTPTR_MIN INT64_MIN
633
#endif
634
#ifndef INTPTR_MAX
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#define INTPTR_MAX INT64_MAX
636
#endif
637
#ifndef UINTPTR_MAX
638
#define UINTPTR_MAX UINT64_MAX
639
#endif
640
#endif
641
#endif
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643
/* --------------------------------------------------------------------- */
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/* size_t-related */
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/* --------------------------------------------------------------------- */
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647
#ifndef SIZE_MAX
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#define SIZE_MAX ((size_t)-1)
649
#endif
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651
#endif
/* platform selection */
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#endif
/* INTEGER_H */
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