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pstdint.h
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1 /* A portable stdint.h
2  ****************************************************************************
3  * BSD License:
4  ****************************************************************************
5  *
6  * Copyright (c) 2005-2007 Paul Hsieh
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  * 3. The name of the author may not be used to endorse or promote products
19  * derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  ****************************************************************************
33  *
34  * Version 0.1.11
35  *
36  * The ANSI C standard committee, for the C99 standard, specified the
37  * inclusion of a new standard include file called stdint.h. This is
38  * a very useful and long desired include file which contains several
39  * very precise definitions for integer scalar types that is
40  * critically important for making portable several classes of
41  * applications including cryptography, hashing, variable length
42  * integer libraries and so on. But for most developers its likely
43  * useful just for programming sanity.
44  *
45  * The problem is that most compiler vendors have decided not to
46  * implement the C99 standard, and the next C++ language standard
47  * (which has a lot more mindshare these days) will be a long time in
48  * coming and its unknown whether or not it will include stdint.h or
49  * how much adoption it will have. Either way, it will be a long time
50  * before all compilers come with a stdint.h and it also does nothing
51  * for the extremely large number of compilers available today which
52  * do not include this file, or anything comparable to it.
53  *
54  * So that's what this file is all about. Its an attempt to build a
55  * single universal include file that works on as many platforms as
56  * possible to deliver what stdint.h is supposed to. A few things
57  * that should be noted about this file:
58  *
59  * 1) It is not guaranteed to be portable and/or present an identical
60  * interface on all platforms. The extreme variability of the
61  * ANSI C standard makes this an impossibility right from the
62  * very get go. Its really only meant to be useful for the vast
63  * majority of platforms that possess the capability of
64  * implementing usefully and precisely defined, standard sized
65  * integer scalars. Systems which are not intrinsically 2s
66  * complement may produce invalid constants.
67  *
68  * 2) There is an unavoidable use of non-reserved symbols.
69  *
70  * 3) Other standard include files are invoked.
71  *
72  * 4) This file may come in conflict with future platforms that do
73  * include stdint.h. The hope is that one or the other can be
74  * used with no real difference.
75  *
76  * 5) In the current verison, if your platform can't represent
77  * int32_t, int16_t and int8_t, it just dumps out with a compiler
78  * error.
79  *
80  * 6) 64 bit integers may or may not be defined. Test for their
81  * presence with the test: #ifdef INT64_MAX or #ifdef UINT64_MAX.
82  * Note that this is different from the C99 specification which
83  * requires the existence of 64 bit support in the compiler. If
84  * this is not defined for your platform, yet it is capable of
85  * dealing with 64 bits then it is because this file has not yet
86  * been extended to cover all of your system's capabilities.
87  *
88  * 7) (u)intptr_t may or may not be defined. Test for its presence
89  * with the test: #ifdef PTRDIFF_MAX. If this is not defined
90  * for your platform, then it is because this file has not yet
91  * been extended to cover all of your system's capabilities, not
92  * because its optional.
93  *
94  * 8) The following might not been defined even if your platform is
95  * capable of defining it:
96  *
97  * WCHAR_MIN
98  * WCHAR_MAX
99  * (u)int64_t
100  * PTRDIFF_MIN
101  * PTRDIFF_MAX
102  * (u)intptr_t
103  *
104  * 9) The following have not been defined:
105  *
106  * WINT_MIN
107  * WINT_MAX
108  *
109  * 10) The criteria for defining (u)int_least(*)_t isn't clear,
110  * except for systems which don't have a type that precisely
111  * defined 8, 16, or 32 bit types (which this include file does
112  * not support anyways). Default definitions have been given.
113  *
114  * 11) The criteria for defining (u)int_fast(*)_t isn't something I
115  * would trust to any particular compiler vendor or the ANSI C
116  * committee. It is well known that "compatible systems" are
117  * commonly created that have very different performance
118  * characteristics from the systems they are compatible with,
119  * especially those whose vendors make both the compiler and the
120  * system. Default definitions have been given, but its strongly
121  * recommended that users never use these definitions for any
122  * reason (they do *NOT* deliver any serious guarantee of
123  * improved performance -- not in this file, nor any vendor's
124  * stdint.h).
125  *
126  * 12) The following macros:
127  *
128  * PRINTF_INTMAX_MODIFIER
129  * PRINTF_INT64_MODIFIER
130  * PRINTF_INT32_MODIFIER
131  * PRINTF_INT16_MODIFIER
132  * PRINTF_LEAST64_MODIFIER
133  * PRINTF_LEAST32_MODIFIER
134  * PRINTF_LEAST16_MODIFIER
135  * PRINTF_INTPTR_MODIFIER
136  *
137  * are strings which have been defined as the modifiers required
138  * for the "d", "u" and "x" printf formats to correctly output
139  * (u)intmax_t, (u)int64_t, (u)int32_t, (u)int16_t, (u)least64_t,
140  * (u)least32_t, (u)least16_t and (u)intptr_t types respectively.
141  * PRINTF_INTPTR_MODIFIER is not defined for some systems which
142  * provide their own stdint.h. PRINTF_INT64_MODIFIER is not
143  * defined if INT64_MAX is not defined. These are an extension
144  * beyond what C99 specifies must be in stdint.h.
145  *
146  * In addition, the following macros are defined:
147  *
148  * PRINTF_INTMAX_HEX_WIDTH
149  * PRINTF_INT64_HEX_WIDTH
150  * PRINTF_INT32_HEX_WIDTH
151  * PRINTF_INT16_HEX_WIDTH
152  * PRINTF_INT8_HEX_WIDTH
153  * PRINTF_INTMAX_DEC_WIDTH
154  * PRINTF_INT64_DEC_WIDTH
155  * PRINTF_INT32_DEC_WIDTH
156  * PRINTF_INT16_DEC_WIDTH
157  * PRINTF_INT8_DEC_WIDTH
158  *
159  * Which specifies the maximum number of characters required to
160  * print the number of that type in either hexadecimal or decimal.
161  * These are an extension beyond what C99 specifies must be in
162  * stdint.h.
163  *
164  * Compilers tested (all with 0 warnings at their highest respective
165  * settings): Borland Turbo C 2.0, WATCOM C/C++ 11.0 (16 bits and 32
166  * bits), Microsoft Visual C++ 6.0 (32 bit), Microsoft Visual Studio
167  * .net (VC7), Intel C++ 4.0, GNU gcc v3.3.3
168  *
169  * This file should be considered a work in progress. Suggestions for
170  * improvements, especially those which increase coverage are strongly
171  * encouraged.
172  *
173  * Acknowledgements
174  *
175  * The following people have made significant contributions to the
176  * development and testing of this file:
177  *
178  * Chris Howie
179  * John Steele Scott
180  * Dave Thorup
181  *
182  */
183 
184 #include <stddef.h>
185 #include <limits.h>
186 
187 /*
188  * For gcc with _STDINT_H, fill in the PRINTF_INT*_MODIFIER macros, and
189  * do nothing else. On the Mac OS X version of gcc this is _STDINT_H_.
190  */
191 
192 #if (defined(__STDC__) && __STDC__ && __STDC_VERSION__ >= 199901L) || (defined (__WATCOMC__) && __WATCOMC__ >= 1250) || (defined(__GNUC__) && __GNUC__ > 2) || (defined(_MSC_VER) && _MSC_VER >= 1600)
193 #include <stdint.h>
194 #endif
195 
196 #if (defined (_STDINT_H_INCLUDED) || defined (_STDINT) || defined (_STDINT_H) || defined (_STDINT_H_)) && !defined (_PSTDINT_H_INCLUDED)
197 #define _PSTDINT_H_INCLUDED
198 # ifndef PRINTF_INT64_MODIFIER
199 # if __WORDSIZE == 64
200 # define PRINTF_INT64_MODIFIER "l"
201 # else
202 # define PRINTF_INT64_MODIFIER "ll"
203 # endif
204 # endif
205 # ifndef PRINTF_INT32_MODIFIER
206 # if (LONG_MAX == INT32_MAX) && !defined(__GNUC__)
207 # define PRINTF_INT32_MODIFIER "l"
208 # else
209 # define PRINTF_INT32_MODIFIER ""
210 # endif
211 # endif
212 # ifndef PRINTF_INT16_MODIFIER
213 # define PRINTF_INT16_MODIFIER "h"
214 # endif
215 # ifndef PRINTF_INTMAX_MODIFIER
216 # define PRINTF_INTMAX_MODIFIER PRINTF_INT64_MODIFIER
217 # endif
218 # ifndef PRINTF_INT64_HEX_WIDTH
219 # define PRINTF_INT64_HEX_WIDTH "16"
220 # endif
221 # ifndef PRINTF_INT32_HEX_WIDTH
222 # define PRINTF_INT32_HEX_WIDTH "8"
223 # endif
224 # ifndef PRINTF_INT16_HEX_WIDTH
225 # define PRINTF_INT16_HEX_WIDTH "4"
226 # endif
227 # ifndef PRINTF_INT8_HEX_WIDTH
228 # define PRINTF_INT8_HEX_WIDTH "2"
229 # endif
230 # ifndef PRINTF_INT64_DEC_WIDTH
231 # define PRINTF_INT64_DEC_WIDTH "20"
232 # endif
233 # ifndef PRINTF_INT32_DEC_WIDTH
234 # define PRINTF_INT32_DEC_WIDTH "10"
235 # endif
236 # ifndef PRINTF_INT16_DEC_WIDTH
237 # define PRINTF_INT16_DEC_WIDTH "5"
238 # endif
239 # ifndef PRINTF_INT8_DEC_WIDTH
240 # define PRINTF_INT8_DEC_WIDTH "3"
241 # endif
242 # ifndef PRINTF_INTMAX_HEX_WIDTH
243 # define PRINTF_INTMAX_HEX_WIDTH PRINTF_INT64_HEX_WIDTH
244 # endif
245 # ifndef PRINTF_INTMAX_DEC_WIDTH
246 # define PRINTF_INTMAX_DEC_WIDTH PRINTF_INT64_DEC_WIDTH
247 # endif
248 
249 /*
250  * Something really weird is going on with Open Watcom. Just pull some of
251  * these duplicated definitions from Open Watcom's stdint.h file for now.
252  */
253 
254 # if defined (__WATCOMC__) && __WATCOMC__ >= 1250
255 # if !defined (INT64_C)
256 # define INT64_C(x) (x + (INT64_MAX - INT64_MAX))
257 # endif
258 # if !defined (UINT64_C)
259 # define UINT64_C(x) (x + (UINT64_MAX - UINT64_MAX))
260 # endif
261 # if !defined (INT32_C)
262 # define INT32_C(x) (x + (INT32_MAX - INT32_MAX))
263 # endif
264 # if !defined (UINT32_C)
265 # define UINT32_C(x) (x + (UINT32_MAX - UINT32_MAX))
266 # endif
267 # if !defined (INT16_C)
268 # define INT16_C(x) (x)
269 # endif
270 # if !defined (UINT16_C)
271 # define UINT16_C(x) (x)
272 # endif
273 # if !defined (INT8_C)
274 # define INT8_C(x) (x)
275 # endif
276 # if !defined (UINT8_C)
277 # define UINT8_C(x) (x)
278 # endif
279 # if !defined (UINT64_MAX)
280 # define UINT64_MAX 18446744073709551615ULL
281 # endif
282 # if !defined (INT64_MAX)
283 # define INT64_MAX 9223372036854775807LL
284 # endif
285 # if !defined (UINT32_MAX)
286 # define UINT32_MAX 4294967295UL
287 # endif
288 # if !defined (INT32_MAX)
289 # define INT32_MAX 2147483647L
290 # endif
291 # if !defined (INTMAX_MAX)
292 # define INTMAX_MAX INT64_MAX
293 # endif
294 # if !defined (INTMAX_MIN)
295 # define INTMAX_MIN INT64_MIN
296 # endif
297 # endif
298 #endif
299 
300 #ifndef _PSTDINT_H_INCLUDED
301 #define _PSTDINT_H_INCLUDED
302 
303 #ifndef SIZE_MAX
304 # define SIZE_MAX (~(size_t)0)
305 #endif
306 
307 /*
308  * Deduce the type assignments from limits.h under the assumption that
309  * integer sizes in bits are powers of 2, and follow the ANSI
310  * definitions.
311  */
312 
313 #ifndef UINT8_MAX
314 # define UINT8_MAX 0xff
315 #endif
316 #ifndef uint8_t
317 # if (UCHAR_MAX == UINT8_MAX) || defined (S_SPLINT_S)
318  typedef unsigned char uint8_t;
319 # define UINT8_C(v) ((uint8_t) v)
320 # else
321 # error "Platform not supported"
322 # endif
323 #endif
324 
325 #ifndef INT8_MAX
326 # define INT8_MAX 0x7f
327 #endif
328 #ifndef INT8_MIN
329 # define INT8_MIN INT8_C(0x80)
330 #endif
331 #ifndef int8_t
332 # if (SCHAR_MAX == INT8_MAX) || defined (S_SPLINT_S)
333  typedef signed char int8_t;
334 # define INT8_C(v) ((int8_t) v)
335 # else
336 # error "Platform not supported"
337 # endif
338 #endif
339 
340 #ifndef UINT16_MAX
341 # define UINT16_MAX 0xffff
342 #endif
343 #ifndef uint16_t
344 #if (UINT_MAX == UINT16_MAX) || defined (S_SPLINT_S)
345  typedef unsigned int uint16_t;
346 # ifndef PRINTF_INT16_MODIFIER
347 # define PRINTF_INT16_MODIFIER ""
348 # endif
349 # define UINT16_C(v) ((uint16_t) (v))
350 #elif (USHRT_MAX == UINT16_MAX)
351  typedef unsigned short uint16_t;
352 # define UINT16_C(v) ((uint16_t) (v))
353 # ifndef PRINTF_INT16_MODIFIER
354 # define PRINTF_INT16_MODIFIER "h"
355 # endif
356 #else
357 #error "Platform not supported"
358 #endif
359 #endif
360 
361 #ifndef INT16_MAX
362 # define INT16_MAX 0x7fff
363 #endif
364 #ifndef INT16_MIN
365 # define INT16_MIN INT16_C(0x8000)
366 #endif
367 #ifndef int16_t
368 #if (INT_MAX == INT16_MAX) || defined (S_SPLINT_S)
369  typedef signed int int16_t;
370 # define INT16_C(v) ((int16_t) (v))
371 # ifndef PRINTF_INT16_MODIFIER
372 # define PRINTF_INT16_MODIFIER ""
373 # endif
374 #elif (SHRT_MAX == INT16_MAX)
375  typedef signed short int16_t;
376 # define INT16_C(v) ((int16_t) (v))
377 # ifndef PRINTF_INT16_MODIFIER
378 # define PRINTF_INT16_MODIFIER "h"
379 # endif
380 #else
381 #error "Platform not supported"
382 #endif
383 #endif
384 
385 #ifndef UINT32_MAX
386 # define UINT32_MAX (0xffffffffUL)
387 #endif
388 #ifndef uint32_t
389 #if (UINT_MAX == UINT32_MAX) && !defined (S_SPLINT_S)
390 typedef unsigned int uint32_t;
391 # ifndef PRINTF_INT32_MODIFIER
392 # define PRINTF_INT32_MODIFIER ""
393 # endif
394 # define UINT32_C(v) v ## U
395 #elif (ULONG_MAX == UINT32_MAX) || defined (S_SPLINT_S)
396  typedef unsigned long uint32_t;
397 # define UINT32_C(v) v ## UL
398 # ifndef PRINTF_INT32_MODIFIER
399 # define PRINTF_INT32_MODIFIER "l"
400 # endif
401 #elif (USHRT_MAX == UINT32_MAX)
402  typedef unsigned short uint32_t;
403 # define UINT32_C(v) ((unsigned short) (v))
404 # ifndef PRINTF_INT32_MODIFIER
405 # define PRINTF_INT32_MODIFIER ""
406 # endif
407 #else
408 #error "Platform not supported"
409 #endif
410 #endif
411 
412 #ifndef INT32_MAX
413 # define INT32_MAX (0x7fffffffL)
414 #endif
415 #ifndef INT32_MIN
416 # define INT32_MIN INT32_C(0x80000000)
417 #endif
418 #ifndef int32_t
419 #if (INT_MAX == INT32_MAX) && defined (__GNUC__) && (__GNUC__ > 3)
420  typedef signed int int32_t;
421 # define INT32_C(v) v
422 # ifndef PRINTF_INT32_MODIFIER
423 # define PRINTF_INT32_MODIFIER ""
424 # endif
425 #elif (LONG_MAX == INT32_MAX) || defined (S_SPLINT_S)
426  typedef signed long int32_t;
427 # define INT32_C(v) v ## L
428 # ifndef PRINTF_INT32_MODIFIER
429 # define PRINTF_INT32_MODIFIER "l"
430 # endif
431 #elif (INT_MAX == INT32_MAX)
432  typedef signed int int32_t;
433 # define INT32_C(v) v
434 # ifndef PRINTF_INT32_MODIFIER
435 # define PRINTF_INT32_MODIFIER ""
436 # endif
437 #elif (SHRT_MAX == INT32_MAX)
438  typedef signed short int32_t;
439 # define INT32_C(v) ((short) (v))
440 # ifndef PRINTF_INT32_MODIFIER
441 # define PRINTF_INT32_MODIFIER ""
442 # endif
443 #else
444 #error "Platform not supported"
445 #endif
446 #endif
447 
448 /*
449  * The macro stdint_int64_defined is temporarily used to record
450  * whether or not 64 integer support is available. It must be
451  * defined for any 64 integer extensions for new platforms that are
452  * added.
453  */
454 
455 #undef stdint_int64_defined
456 #if (defined(__STDC__) && defined(__STDC_VERSION__)) || defined (S_SPLINT_S)
457 # if (__STDC__ && __STDC_VERSION >= 199901L) || defined (S_SPLINT_S)
458 # define stdint_int64_defined
459  typedef long long int64_t;
460  typedef unsigned long long uint64_t;
461 # define UINT64_C(v) v ## ULL
462 # define INT64_C(v) v ## LL
463 # ifndef PRINTF_INT64_MODIFIER
464 # define PRINTF_INT64_MODIFIER "ll"
465 # endif
466 # endif
467 #endif
468 
469 #if !defined (stdint_int64_defined)
470 # if defined(__GNUC__) && __WORDSIZE == 64
471 # define stdint_int64_defined
472  __extension__ typedef long int64_t;
473  __extension__ typedef unsigned long uint64_t;
474 # define UINT64_C(v) v ## UL
475 # define INT64_C(v) v ## L
476 # ifndef PRINTF_INT64_MODIFIER
477 # define PRINTF_INT64_MODIFIER "l"
478 # endif
479 #elif defined(__GNUC__)
480 # define stdint_int64_defined
481  __extension__ typedef long long int64_t;
482  __extension__ typedef unsigned long long uint64_t;
483 # define UINT64_C(v) v ## ULL
484 # define INT64_C(v) v ## LL
485 # ifndef PRINTF_INT64_MODIFIER
486 # define PRINTF_INT64_MODIFIER "ll"
487 # endif
488 # elif defined(__MWERKS__) || defined (__SUNPRO_C) || defined (__SUNPRO_CC) || defined (__APPLE_CC__) || defined (_LONG_LONG) || defined (_CRAYC) || defined (S_SPLINT_S)
489 # define stdint_int64_defined
490  typedef long long int64_t;
491  typedef unsigned long long uint64_t;
492 # define UINT64_C(v) v ## ULL
493 # define INT64_C(v) v ## LL
494 # ifndef PRINTF_INT64_MODIFIER
495 # define PRINTF_INT64_MODIFIER "ll"
496 # endif
497 # elif (defined(__WATCOMC__) && defined(__WATCOM_INT64__)) || (defined(_MSC_VER) && _INTEGRAL_MAX_BITS >= 64) || (defined (__BORLANDC__) && __BORLANDC__ > 0x460) || defined (__alpha) || defined (__DECC)
498 # define stdint_int64_defined
499  typedef __int64 int64_t;
500  typedef unsigned __int64 uint64_t;
501 # define UINT64_C(v) v ## UI64
502 # define INT64_C(v) v ## I64
503 # ifndef PRINTF_INT64_MODIFIER
504 # define PRINTF_INT64_MODIFIER "I64"
505 # endif
506 # endif
507 #endif
508 
509 #if !defined (LONG_LONG_MAX) && defined (INT64_C)
510 # define LONG_LONG_MAX INT64_C (9223372036854775807)
511 #endif
512 #ifndef ULONG_LONG_MAX
513 # define ULONG_LONG_MAX UINT64_C (18446744073709551615)
514 #endif
515 
516 #if !defined (INT64_MAX) && defined (INT64_C)
517 # define INT64_MAX INT64_C (9223372036854775807)
518 #endif
519 #if !defined (INT64_MIN) && defined (INT64_C)
520 # define INT64_MIN INT64_C (-9223372036854775808)
521 #endif
522 #if !defined (UINT64_MAX) && defined (INT64_C)
523 # define UINT64_MAX UINT64_C (18446744073709551615)
524 #endif
525 
526 /*
527  * Width of hexadecimal for number field.
528  */
529 
530 #ifndef PRINTF_INT64_HEX_WIDTH
531 # define PRINTF_INT64_HEX_WIDTH "16"
532 #endif
533 #ifndef PRINTF_INT32_HEX_WIDTH
534 # define PRINTF_INT32_HEX_WIDTH "8"
535 #endif
536 #ifndef PRINTF_INT16_HEX_WIDTH
537 # define PRINTF_INT16_HEX_WIDTH "4"
538 #endif
539 #ifndef PRINTF_INT8_HEX_WIDTH
540 # define PRINTF_INT8_HEX_WIDTH "2"
541 #endif
542 
543 #ifndef PRINTF_INT64_DEC_WIDTH
544 # define PRINTF_INT64_DEC_WIDTH "20"
545 #endif
546 #ifndef PRINTF_INT32_DEC_WIDTH
547 # define PRINTF_INT32_DEC_WIDTH "10"
548 #endif
549 #ifndef PRINTF_INT16_DEC_WIDTH
550 # define PRINTF_INT16_DEC_WIDTH "5"
551 #endif
552 #ifndef PRINTF_INT8_DEC_WIDTH
553 # define PRINTF_INT8_DEC_WIDTH "3"
554 #endif
555 
556 /*
557  * Ok, lets not worry about 128 bit integers for now. Moore's law says
558  * we don't need to worry about that until about 2040 at which point
559  * we'll have bigger things to worry about.
560  */
561 
562 #ifdef stdint_int64_defined
563  typedef int64_t intmax_t;
564  typedef uint64_t uintmax_t;
565 # define INTMAX_MAX INT64_MAX
566 # define INTMAX_MIN INT64_MIN
567 # define UINTMAX_MAX UINT64_MAX
568 # define UINTMAX_C(v) UINT64_C(v)
569 # define INTMAX_C(v) INT64_C(v)
570 # ifndef PRINTF_INTMAX_MODIFIER
571 # define PRINTF_INTMAX_MODIFIER PRINTF_INT64_MODIFIER
572 # endif
573 # ifndef PRINTF_INTMAX_HEX_WIDTH
574 # define PRINTF_INTMAX_HEX_WIDTH PRINTF_INT64_HEX_WIDTH
575 # endif
576 # ifndef PRINTF_INTMAX_DEC_WIDTH
577 # define PRINTF_INTMAX_DEC_WIDTH PRINTF_INT64_DEC_WIDTH
578 # endif
579 #else
580  typedef int32_t intmax_t;
581  typedef uint32_t uintmax_t;
582 # define INTMAX_MAX INT32_MAX
583 # define UINTMAX_MAX UINT32_MAX
584 # define UINTMAX_C(v) UINT32_C(v)
585 # define INTMAX_C(v) INT32_C(v)
586 # ifndef PRINTF_INTMAX_MODIFIER
587 # define PRINTF_INTMAX_MODIFIER PRINTF_INT32_MODIFIER
588 # endif
589 # ifndef PRINTF_INTMAX_HEX_WIDTH
590 # define PRINTF_INTMAX_HEX_WIDTH PRINTF_INT32_HEX_WIDTH
591 # endif
592 # ifndef PRINTF_INTMAX_DEC_WIDTH
593 # define PRINTF_INTMAX_DEC_WIDTH PRINTF_INT32_DEC_WIDTH
594 # endif
595 #endif
596 
597 /*
598  * Because this file currently only supports platforms which have
599  * precise powers of 2 as bit sizes for the default integers, the
600  * least definitions are all trivial. Its possible that a future
601  * version of this file could have different definitions.
602  */
603 
604 #ifndef stdint_least_defined
605  typedef int8_t int_least8_t;
606  typedef uint8_t uint_least8_t;
607  typedef int16_t int_least16_t;
608  typedef uint16_t uint_least16_t;
609  typedef int32_t int_least32_t;
610  typedef uint32_t uint_least32_t;
611 # define PRINTF_LEAST32_MODIFIER PRINTF_INT32_MODIFIER
612 # define PRINTF_LEAST16_MODIFIER PRINTF_INT16_MODIFIER
613 # define UINT_LEAST8_MAX UINT8_MAX
614 # define INT_LEAST8_MAX INT8_MAX
615 # define UINT_LEAST16_MAX UINT16_MAX
616 # define INT_LEAST16_MAX INT16_MAX
617 # define UINT_LEAST32_MAX UINT32_MAX
618 # define INT_LEAST32_MAX INT32_MAX
619 # define INT_LEAST8_MIN INT8_MIN
620 # define INT_LEAST16_MIN INT16_MIN
621 # define INT_LEAST32_MIN INT32_MIN
622 # ifdef stdint_int64_defined
623  typedef int64_t int_least64_t;
624  typedef uint64_t uint_least64_t;
625 # define PRINTF_LEAST64_MODIFIER PRINTF_INT64_MODIFIER
626 # define UINT_LEAST64_MAX UINT64_MAX
627 # define INT_LEAST64_MAX INT64_MAX
628 # define INT_LEAST64_MIN INT64_MIN
629 # endif
630 #endif
631 #undef stdint_least_defined
632 
633 /*
634  * The ANSI C committee pretending to know or specify anything about
635  * performance is the epitome of misguided arrogance. The mandate of
636  * this file is to *ONLY* ever support that absolute minimum
637  * definition of the fast integer types, for compatibility purposes.
638  * No extensions, and no attempt to suggest what may or may not be a
639  * faster integer type will ever be made in this file. Developers are
640  * warned to stay away from these types when using this or any other
641  * stdint.h.
642  */
643 
644 #ifndef int_fast8_t
646 #endif
647 #ifndef uint_fast8_t
649 #endif
650 #ifndef int_fast16_t
652 #endif
653 #ifndef uint_fast16_t
655 #endif
656 #ifndef int_fast32_t
658 #endif
659 #ifndef uint_fast32_t
661 #endif
662 #define UINT_FAST8_MAX UINT_LEAST8_MAX
663 #define INT_FAST8_MAX INT_LEAST8_MAX
664 #define UINT_FAST16_MAX UINT_LEAST16_MAX
665 #define INT_FAST16_MAX INT_LEAST16_MAX
666 #define UINT_FAST32_MAX UINT_LEAST32_MAX
667 #define INT_FAST32_MAX INT_LEAST32_MAX
668 #define INT_FAST8_MIN INT_LEAST8_MIN
669 #define INT_FAST16_MIN INT_LEAST16_MIN
670 #define INT_FAST32_MIN INT_LEAST32_MIN
671 #ifdef stdint_int64_defined
672  typedef int_least64_t int_fast64_t;
673  typedef uint_least64_t uint_fast64_t;
674 # define UINT_FAST64_MAX UINT_LEAST64_MAX
675 # define INT_FAST64_MAX INT_LEAST64_MAX
676 # define INT_FAST64_MIN INT_LEAST64_MIN
677 #endif
678 
679 #undef stdint_int64_defined
680 
681 /*
682  * Whatever piecemeal, per compiler thing we can do about the wchar_t
683  * type limits.
684  */
685 
686 #if defined(__WATCOMC__) || defined(_MSC_VER) || defined (__GNUC__)
687 # include <wchar.h>
688 # ifndef WCHAR_MIN
689 # define WCHAR_MIN 0
690 # endif
691 # ifndef WCHAR_MAX
692 # define WCHAR_MAX ((wchar_t)-1)
693 # endif
694 #endif
695 
696 /*
697  * Whatever piecemeal, per compiler/platform thing we can do about the
698  * (u)intptr_t types and limits.
699  */
700 
701 #if defined (_MSC_VER) && defined (_UINTPTR_T_DEFINED)
702 # define STDINT_H_UINTPTR_T_DEFINED
703 #endif
704 
705 #ifndef STDINT_H_UINTPTR_T_DEFINED
706 # if defined (__alpha__) || defined (__ia64__) || defined (__x86_64__) || defined (_WIN64)
707 # define stdint_intptr_bits 64
708 # elif defined (__WATCOMC__) || defined (__TURBOC__)
709 # if defined(__TINY__) || defined(__SMALL__) || defined(__MEDIUM__)
710 # define stdint_intptr_bits 16
711 # else
712 # define stdint_intptr_bits 32
713 # endif
714 # elif defined (__i386__) || defined (_WIN32) || defined (WIN32)
715 # define stdint_intptr_bits 32
716 # elif defined (__INTEL_COMPILER)
717 /* TODO -- what will Intel do about x86-64? */
718 # endif
719 
720 # ifdef stdint_intptr_bits
721 # define stdint_intptr_glue3_i(a,b,c) a##b##c
722 # define stdint_intptr_glue3(a,b,c) stdint_intptr_glue3_i(a,b,c)
723 # ifndef PRINTF_INTPTR_MODIFIER
724 # define PRINTF_INTPTR_MODIFIER stdint_intptr_glue3(PRINTF_INT,stdint_intptr_bits,_MODIFIER)
725 # endif
726 # ifndef PTRDIFF_MAX
727 # define PTRDIFF_MAX stdint_intptr_glue3(INT,stdint_intptr_bits,_MAX)
728 # endif
729 # ifndef PTRDIFF_MIN
730 # define PTRDIFF_MIN stdint_intptr_glue3(INT,stdint_intptr_bits,_MIN)
731 # endif
732 # ifndef UINTPTR_MAX
733 # define UINTPTR_MAX stdint_intptr_glue3(UINT,stdint_intptr_bits,_MAX)
734 # endif
735 # ifndef INTPTR_MAX
736 # define INTPTR_MAX stdint_intptr_glue3(INT,stdint_intptr_bits,_MAX)
737 # endif
738 # ifndef INTPTR_MIN
739 # define INTPTR_MIN stdint_intptr_glue3(INT,stdint_intptr_bits,_MIN)
740 # endif
741 # ifndef INTPTR_C
742 # define INTPTR_C(x) stdint_intptr_glue3(INT,stdint_intptr_bits,_C)(x)
743 # endif
744 # ifndef UINTPTR_C
745 # define UINTPTR_C(x) stdint_intptr_glue3(UINT,stdint_intptr_bits,_C)(x)
746 # endif
747  typedef stdint_intptr_glue3(uint,stdint_intptr_bits,_t) uintptr_t;
748  typedef stdint_intptr_glue3( int,stdint_intptr_bits,_t) intptr_t;
749 # else
750 /* TODO -- This following is likely wrong for some platforms, and does
751  nothing for the definition of uintptr_t. */
752  typedef ptrdiff_t intptr_t;
753 # endif
754 # define STDINT_H_UINTPTR_T_DEFINED
755 #endif
756 
757 /*
758  * Assumes sig_atomic_t is signed and we have a 2s complement machine.
759  */
760 
761 #ifndef SIG_ATOMIC_MAX
762 # define SIG_ATOMIC_MAX ((((sig_atomic_t) 1) << (sizeof (sig_atomic_t)*CHAR_BIT-1)) - 1)
763 #endif
764 
765 #endif
766 
767 #ifndef XSENS_MONOLITHIC
768 
769 #if defined (__TEST_PSTDINT_FOR_CORRECTNESS)
770 
771 /*
772  * Please compile with the maximum warning settings to make sure macros are not
773  * defined more than once.
774  */
775 
776 #include <stdlib.h>
777 #include <stdio.h>
778 #include <string.h>
779 
780 #define glue3_aux(x,y,z) x ## y ## z
781 #define glue3(x,y,z) glue3_aux(x,y,z)
782 
783 #define DECLU(bits) glue3(uint,bits,_t) glue3(u,bits,=) glue3(UINT,bits,_C) (0);
784 #define DECLI(bits) glue3(int,bits,_t) glue3(i,bits,=) glue3(INT,bits,_C) (0);
785 
786 #define DECL(us,bits) glue3(DECL,us,) (bits)
787 
788 #define TESTUMAX(bits) glue3(u,bits,=) glue3(~,u,bits); if (glue3(UINT,bits,_MAX) glue3(!=,u,bits)) printf ("Something wrong with UINT%d_MAX\n", bits)
789 
790 int main () {
791  DECL(I,8)
792  DECL(U,8)
793  DECL(I,16)
794  DECL(U,16)
795  DECL(I,32)
796  DECL(U,32)
797 #ifdef INT64_MAX
798  DECL(I,64)
799  DECL(U,64)
800 #endif
801  intmax_t imax = INTMAX_C(0);
802  uintmax_t umax = UINTMAX_C(0);
803  char str0[256], str1[256];
804 
805  sprintf (str0, "%d %x\n", 0, ~0);
806 
807  sprintf (str1, "%d %x\n", i8, ~0);
808  if (0 != strcmp (str0, str1)) printf ("Something wrong with i8 : %s\n", str1);
809  sprintf (str1, "%u %x\n", u8, ~0);
810  if (0 != strcmp (str0, str1)) printf ("Something wrong with u8 : %s\n", str1);
811  sprintf (str1, "%d %x\n", i16, ~0);
812  if (0 != strcmp (str0, str1)) printf ("Something wrong with i16 : %s\n", str1);
813  sprintf (str1, "%u %x\n", u16, ~0);
814  if (0 != strcmp (str0, str1)) printf ("Something wrong with u16 : %s\n", str1);
815  sprintf (str1, "%" PRINTF_INT32_MODIFIER "d %x\n", i32, ~0);
816  if (0 != strcmp (str0, str1)) printf ("Something wrong with i32 : %s\n", str1);
817  sprintf (str1, "%" PRINTF_INT32_MODIFIER "u %x\n", u32, ~0);
818  if (0 != strcmp (str0, str1)) printf ("Something wrong with u32 : %s\n", str1);
819 #ifdef INT64_MAX
820  sprintf (str1, "%" PRINTF_INT64_MODIFIER "d %x\n", i64, ~0);
821  if (0 != strcmp (str0, str1)) printf ("Something wrong with i64 : %s\n", str1);
822 #endif
823  sprintf (str1, "%" PRINTF_INTMAX_MODIFIER "d %x\n", imax, ~0);
824  if (0 != strcmp (str0, str1)) printf ("Something wrong with imax : %s\n", str1);
825  sprintf (str1, "%" PRINTF_INTMAX_MODIFIER "u %x\n", umax, ~0);
826  if (0 != strcmp (str0, str1)) printf ("Something wrong with umax : %s\n", str1);
827 
828  TESTUMAX(8);
829  TESTUMAX(16);
830  TESTUMAX(32);
831 #ifdef INT64_MAX
832  TESTUMAX(64);
833 #endif
834 
835  return EXIT_SUCCESS;
836 }
837 
838 #endif
839 #endif // #ifndef XSENS_MONOLITHIC
#define INTMAX_C(v)
Definition: pstdint.h:585
uint16_t uint_least16_t
Definition: pstdint.h:608
int_least32_t int_fast32_t
Definition: pstdint.h:657
int32_t int_least32_t
Definition: pstdint.h:609
uint8_t uint_least8_t
Definition: pstdint.h:606
uint_least32_t uint_fast32_t
Definition: pstdint.h:660
ptrdiff_t intptr_t
Definition: pstdint.h:752
int_least8_t int_fast8_t
Definition: pstdint.h:645
#define PRINTF_INTMAX_MODIFIER
Definition: pstdint.h:587
int32_t intmax_t
Definition: pstdint.h:580
int8_t int_least8_t
Definition: pstdint.h:605
int main(int argc, char *argv[])
Definition: CMakeCCompilerId.c:572
uint32_t uintmax_t
Definition: pstdint.h:581
uint_least16_t uint_fast16_t
Definition: pstdint.h:654
uint_least8_t uint_fast8_t
Definition: pstdint.h:648
uint32_t uint_least32_t
Definition: pstdint.h:610
int16_t int_least16_t
Definition: pstdint.h:607
#define UINTMAX_C(v)
Definition: pstdint.h:584
int_least16_t int_fast16_t
Definition: pstdint.h:651