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cpl_port.h
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1 /******************************************************************************
2  * $Id$
3  *
4  * Project: CPL - Common Portability Library
5  * Author: Frank Warmerdam, warmerdam@pobox.com
6  * Purpose: Include file providing low level portability services for CPL.
7  * This should be the first include file for any CPL based code.
8  *
9  ******************************************************************************
10  * Copyright (c) 1998, 2005, Frank Warmerdam <warmerdam@pobox.com>
11  * Copyright (c) 2008-2013, Even Rouault <even dot rouault at mines-paris dot org>
12  *
13  * Permission is hereby granted, free of charge, to any person obtaining a
14  * copy of this software and associated documentation files (the "Software"),
15  * to deal in the Software without restriction, including without limitation
16  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17  * and/or sell copies of the Software, and to permit persons to whom the
18  * Software is furnished to do so, subject to the following conditions:
19  *
20  * The above copyright notice and this permission notice shall be included
21  * in all copies or substantial portions of the Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
29  * DEALINGS IN THE SOFTWARE.
30  ****************************************************************************/
31 
32 #ifndef CPL_BASE_H_INCLUDED
33 #define CPL_BASE_H_INCLUDED
34 
42 /* ==================================================================== */
43 /* We will use WIN32 as a standard windows define. */
44 /* ==================================================================== */
45 #if defined(_WIN32) && !defined(WIN32)
46 # define WIN32
47 #endif
48 
49 #if defined(_WINDOWS) && !defined(WIN32)
50 # define WIN32
51 #endif
52 
53 /* -------------------------------------------------------------------- */
54 /* The following apparently allow you to use strcpy() and other */
55 /* functions judged "unsafe" by microsoft in VS 8 (2005). */
56 /* -------------------------------------------------------------------- */
57 #ifdef _MSC_VER
58 # ifndef _CRT_SECURE_NO_DEPRECATE
59 # define _CRT_SECURE_NO_DEPRECATE
60 # endif
61 # ifndef _CRT_NONSTDC_NO_DEPRECATE
62 # define _CRT_NONSTDC_NO_DEPRECATE
63 # endif
64 #endif
65 
66 #include "cpl_config.h"
67 
68 /* ==================================================================== */
69 /* A few sanity checks, mainly to detect problems that sometimes */
70 /* arise with bad configured cross-compilation. */
71 /* ==================================================================== */
72 
73 #if !defined(SIZEOF_INT) || SIZEOF_INT != 4
74 #error "Unexpected value for SIZEOF_INT"
75 #endif
76 
77 #if !defined(SIZEOF_UNSIGNED_LONG) || (SIZEOF_UNSIGNED_LONG != 4 && SIZEOF_UNSIGNED_LONG != 8)
78 #error "Unexpected value for SIZEOF_UNSIGNED_LONG"
79 #endif
80 
81 #if !defined(SIZEOF_VOIDP) || (SIZEOF_VOIDP != 4 && SIZEOF_VOIDP != 8)
82 #error "Unexpected value for SIZEOF_VOIDP"
83 #endif
84 
85 /* ==================================================================== */
86 /* This will disable most WIN32 stuff in a Cygnus build which */
87 /* defines unix to 1. */
88 /* ==================================================================== */
89 
90 #ifdef unix
91 # undef WIN32
92 #endif
93 
95 #if defined(VSI_NEED_LARGEFILE64_SOURCE) && !defined(_LARGEFILE64_SOURCE)
96 # define _LARGEFILE64_SOURCE 1
97 #endif
98 
99 /* ==================================================================== */
100 /* If iconv() is available use extended recoding module. */
101 /* Stub implementation is always compiled in, because it works */
102 /* faster than iconv() for encodings it supports. */
103 /* ==================================================================== */
104 
105 #if defined(HAVE_ICONV)
106 # define CPL_RECODE_ICONV
107 #endif
108 
109 #define CPL_RECODE_STUB
110 
112 /* ==================================================================== */
113 /* MinGW stuff */
114 /* ==================================================================== */
115 
116 /* We need __MSVCRT_VERSION__ >= 0x0700 to have "_aligned_malloc" */
117 /* Latest versions of mingw32 define it, but with older ones, */
118 /* we need to define it manually */
119 #if defined(__MINGW32__)
120 #ifndef __MSVCRT_VERSION__
121 #define __MSVCRT_VERSION__ 0x0700
122 #endif
123 #endif
124 
125 /* Needed for std=c11 on Solaris to have strcasecmp() */
126 #if defined(GDAL_COMPILATION) && defined(__sun__) && (__STDC_VERSION__ + 0) >= 201112L && (_XOPEN_SOURCE + 0) < 600
127 #ifdef _XOPEN_SOURCE
128 #undef _XOPEN_SOURCE
129 #endif
130 #define _XOPEN_SOURCE 600
131 #endif
132 
133 /* ==================================================================== */
134 /* Standard include files. */
135 /* ==================================================================== */
136 
137 #include <stdio.h>
138 #include <stdlib.h>
139 #include <math.h>
140 #include <stdarg.h>
141 #include <string.h>
142 #include <ctype.h>
143 #include <limits.h>
144 
145 #include <time.h>
146 
147 #if defined(HAVE_ERRNO_H)
148 # include <errno.h>
149 #endif
150 
151 #ifdef HAVE_LOCALE_H
152 # include <locale.h>
153 #endif
154 
155 #ifdef HAVE_DIRECT_H
156 # include <direct.h>
157 #endif
158 
159 #if !defined(WIN32)
160 # include <strings.h>
161 #endif
162 
163 #if defined(HAVE_LIBDBMALLOC) && defined(HAVE_DBMALLOC_H) && defined(DEBUG)
164 # define DBMALLOC
165 # include <dbmalloc.h>
166 #endif
167 
168 #if !defined(DBMALLOC) && defined(HAVE_DMALLOC_H)
169 # define USE_DMALLOC
170 # include <dmalloc.h>
171 #endif
172 
173 /* ==================================================================== */
174 /* Base portability stuff ... this stuff may need to be */
175 /* modified for new platforms. */
176 /* ==================================================================== */
177 
178 /* -------------------------------------------------------------------- */
179 /* Which versions of C++ are available. */
180 /* -------------------------------------------------------------------- */
181 
182 /* MSVC fails to define a decent value of __cplusplus. Try to target VS2015*/
183 /* as a minimum */
184 
185 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
186 # if !(__cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1900))
187 # error Must have C++11 or newer.
188 # endif
189 # if __cplusplus >= 201402L
190 # define HAVE_CXX14 1
191 # endif
192 /* TODO(schwehr): What is the correct test for C++ 17? */
193 #endif /* __cplusplus */
194 
195 /*---------------------------------------------------------------------
196  * types for 16 and 32 bits integers, etc...
197  *--------------------------------------------------------------------*/
198 #if UINT_MAX == 65535
199 typedef long GInt32;
200 typedef unsigned long GUInt32;
201 #else
202 
203 typedef int GInt32;
205 typedef unsigned int GUInt32;
206 #endif
207 
209 typedef short GInt16;
211 typedef unsigned short GUInt16;
213 typedef unsigned char GByte;
214 /* hack for PDF driver and poppler >= 0.15.0 that defines incompatible "typedef bool GBool" */
215 /* in include/poppler/goo/gtypes.h */
216 #ifndef CPL_GBOOL_DEFINED
217 
218 #define CPL_GBOOL_DEFINED
219 
221 typedef int GBool;
222 #endif
223 
225 #ifdef __cplusplus
226 #define CPL_STATIC_CAST(type, expr) static_cast<type>(expr)
227 #define CPL_REINTERPRET_CAST(type, expr) reinterpret_cast<type>(expr)
228 #else
229 #define CPL_STATIC_CAST(type, expr) ((type)(expr))
230 #define CPL_REINTERPRET_CAST(type, expr) ((type)(expr))
231 #endif
232 
234 /* -------------------------------------------------------------------- */
235 /* 64bit support */
236 /* -------------------------------------------------------------------- */
237 
238 #if defined(WIN32) && defined(_MSC_VER)
239 #define VSI_LARGE_API_SUPPORTED
240 #endif
241 
242 #if HAVE_LONG_LONG
243 
246 typedef long long GIntBig;
249 typedef unsigned long long GUIntBig;
250 
252 #define GINTBIG_MIN (CPL_STATIC_CAST(GIntBig, 0x80000000) << 32)
253 
254 #define GINTBIG_MAX ((CPL_STATIC_CAST(GIntBig, 0x7FFFFFFF) << 32) | 0xFFFFFFFFU)
255 
256 #define GUINTBIG_MAX ((CPL_STATIC_CAST(GUIntBig, 0xFFFFFFFFU) << 32) | 0xFFFFFFFFU)
257 
259 #define CPL_HAS_GINT64 1
260 
262 /* Note: we might want to use instead int64_t / uint64_t if they are available */
263 
265 typedef GIntBig GInt64;
268 
270 #define GINT64_MIN GINTBIG_MIN
271 
272 #define GINT64_MAX GINTBIG_MAX
273 
274 #define GUINT64_MAX GUINTBIG_MAX
275 
276 #else
277 
278 #error "64bit integer support required"
279 
280 #endif
281 
282 #if SIZEOF_VOIDP == 8
283 
285 #else
286 
287 typedef int GPtrDiff_t;
288 #endif
289 
290 #ifdef GDAL_COMPILATION
291 #if HAVE_UINTPTR_T
292 #include <stdint.h>
293 typedef uintptr_t GUIntptr_t;
294 #elif SIZEOF_VOIDP == 8
295 typedef GUIntBig GUIntptr_t;
296 #else
297 typedef unsigned int GUIntptr_t;
298 #endif
299 
300 #define CPL_IS_ALIGNED(ptr, quant) ((CPL_REINTERPRET_CAST(GUIntptr_t, CPL_STATIC_CAST(const void*, ptr)) % (quant)) == 0)
301 
302 #endif
303 
304 #if defined(__MSVCRT__) || (defined(WIN32) && defined(_MSC_VER))
305  #define CPL_FRMT_GB_WITHOUT_PREFIX "I64"
306 #elif HAVE_LONG_LONG
307 
308  #define CPL_FRMT_GB_WITHOUT_PREFIX "ll"
309 #else
310  #define CPL_FRMT_GB_WITHOUT_PREFIX "l"
311 #endif
312 
314 #define CPL_FRMT_GIB "%" CPL_FRMT_GB_WITHOUT_PREFIX "d"
315 
316 #define CPL_FRMT_GUIB "%" CPL_FRMT_GB_WITHOUT_PREFIX "u"
317 
319 #define GUINTBIG_TO_DOUBLE(x) CPL_STATIC_CAST(double, x)
320 
323 #ifdef COMPAT_WITH_ICC_CONVERSION_CHECK
324 #define CPL_INT64_FITS_ON_INT32(x) ((x) >= INT_MIN && (x) <= INT_MAX)
325 #else
326 #define CPL_INT64_FITS_ON_INT32(x) (CPL_STATIC_CAST(GIntBig, CPL_STATIC_CAST(int, x)) == (x))
327 #endif
328 
330 /* ==================================================================== */
331 /* Other standard services. */
332 /* ==================================================================== */
333 #ifdef __cplusplus
334 
335 # define CPL_C_START extern "C" {
336 
337 # define CPL_C_END }
338 #else
339 # define CPL_C_START
340 # define CPL_C_END
341 #endif
342 
343 #ifndef CPL_DLL
344 #if defined(_MSC_VER) && !defined(CPL_DISABLE_DLL)
345 # define CPL_DLL __declspec(dllexport)
346 #else
347 # if defined(USE_GCC_VISIBILITY_FLAG)
348 # define CPL_DLL __attribute__ ((visibility("default")))
349 # else
350 # define CPL_DLL
351 # endif
352 #endif
353 #endif
354 
356 /* Should optional (normally private) interfaces be exported? */
357 #ifdef CPL_OPTIONAL_APIS
358 # define CPL_ODLL CPL_DLL
359 #else
360 # define CPL_ODLL
361 #endif
362 
364 #ifndef CPL_STDCALL
365 #if defined(_MSC_VER) && !defined(CPL_DISABLE_STDCALL)
366 # define CPL_STDCALL __stdcall
367 #else
368 # define CPL_STDCALL
369 #endif
370 #endif
371 
373 #ifdef _MSC_VER
374 # define FORCE_CDECL __cdecl
375 #else
376 # define FORCE_CDECL
377 #endif
378 
381 /* TODO : support for other compilers needed */
382 #if (defined(__GNUC__) && !defined(__NO_INLINE__)) || defined(_MSC_VER)
383 #define HAS_CPL_INLINE 1
384 #define CPL_INLINE __inline
385 #elif defined(__SUNPRO_CC)
386 #define HAS_CPL_INLINE 1
387 #define CPL_INLINE inline
388 #else
389 #define CPL_INLINE
390 #endif
391 
393 #ifndef MAX
394 
395 # define MIN(a,b) (((a)<(b)) ? (a) : (b))
396 
397 # define MAX(a,b) (((a)>(b)) ? (a) : (b))
398 #endif
399 
400 #ifndef ABS
401 
402 # define ABS(x) (((x)<0) ? (-1*(x)) : (x))
403 #endif
404 
405 #ifndef M_PI
406 
407 # define M_PI 3.14159265358979323846
408 /* 3.1415926535897932384626433832795 */
409 #endif
410 
411 /* -------------------------------------------------------------------- */
412 /* Macro to test equality of two floating point values. */
413 /* We use fabs() function instead of ABS() macro to avoid side */
414 /* effects. */
415 /* -------------------------------------------------------------------- */
417 #ifndef CPLIsEqual
418 # define CPLIsEqual(x,y) (fabs((x) - (y)) < 0.0000000000001)
419 #endif
420 
422 /* -------------------------------------------------------------------- */
423 /* Provide macros for case insensitive string comparisons. */
424 /* -------------------------------------------------------------------- */
425 #ifndef EQUAL
426 
427 #if defined(AFL_FRIENDLY) && defined(__GNUC__)
428 
429 static inline int CPL_afl_friendly_memcmp(const void* ptr1, const void* ptr2, size_t len)
430  __attribute__((always_inline));
431 
432 static inline int CPL_afl_friendly_memcmp(const void* ptr1, const void* ptr2, size_t len)
433 {
434  const unsigned char* bptr1 = (const unsigned char*)ptr1;
435  const unsigned char* bptr2 = (const unsigned char*)ptr2;
436  while( len-- )
437  {
438  unsigned char b1 = *(bptr1++);
439  unsigned char b2 = *(bptr2++);
440  if( b1 != b2 ) return b1 - b2;
441  }
442  return 0;
443 }
444 
445 static inline int CPL_afl_friendly_strcmp(const char* ptr1, const char* ptr2)
446  __attribute__((always_inline));
447 
448 static inline int CPL_afl_friendly_strcmp(const char* ptr1, const char* ptr2)
449 {
450  const unsigned char* usptr1 = (const unsigned char*)ptr1;
451  const unsigned char* usptr2 = (const unsigned char*)ptr2;
452  while( 1 )
453  {
454  unsigned char ch1 = *(usptr1++);
455  unsigned char ch2 = *(usptr2++);
456  if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
457  }
458 }
459 
460 static inline int CPL_afl_friendly_strncmp(const char* ptr1, const char* ptr2, size_t len)
461  __attribute__((always_inline));
462 
463 static inline int CPL_afl_friendly_strncmp(const char* ptr1, const char* ptr2, size_t len)
464 {
465  const unsigned char* usptr1 = (const unsigned char*)ptr1;
466  const unsigned char* usptr2 = (const unsigned char*)ptr2;
467  while( len -- )
468  {
469  unsigned char ch1 = *(usptr1++);
470  unsigned char ch2 = *(usptr2++);
471  if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
472  }
473  return 0;
474 }
475 
476 static inline int CPL_afl_friendly_strcasecmp(const char* ptr1, const char* ptr2)
477  __attribute__((always_inline));
478 
479 static inline int CPL_afl_friendly_strcasecmp(const char* ptr1, const char* ptr2)
480 {
481  const unsigned char* usptr1 = (const unsigned char*)ptr1;
482  const unsigned char* usptr2 = (const unsigned char*)ptr2;
483  while( 1 )
484  {
485  unsigned char ch1 = *(usptr1++);
486  unsigned char ch2 = *(usptr2++);
487  ch1 = (unsigned char)toupper(ch1);
488  ch2 = (unsigned char)toupper(ch2);
489  if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
490  }
491 }
492 
493 static inline int CPL_afl_friendly_strncasecmp(const char* ptr1, const char* ptr2, size_t len)
494  __attribute__((always_inline));
495 
496 static inline int CPL_afl_friendly_strncasecmp(const char* ptr1, const char* ptr2, size_t len)
497 {
498  const unsigned char* usptr1 = (const unsigned char*)ptr1;
499  const unsigned char* usptr2 = (const unsigned char*)ptr2;
500  while( len-- )
501  {
502  unsigned char ch1 = *(usptr1++);
503  unsigned char ch2 = *(usptr2++);
504  ch1 = (unsigned char)toupper(ch1);
505  ch2 = (unsigned char)toupper(ch2);
506  if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
507  }
508  return 0;
509 }
510 
511 static inline char* CPL_afl_friendly_strstr(const char* haystack, const char* needle)
512  __attribute__((always_inline));
513 
514 static inline char* CPL_afl_friendly_strstr(const char* haystack, const char* needle)
515 {
516  const char* ptr_haystack = haystack;
517  while( 1 )
518  {
519  const char* ptr_haystack2 = ptr_haystack;
520  const char* ptr_needle = needle;
521  while( 1 )
522  {
523  char ch1 = *(ptr_haystack2++);
524  char ch2 = *(ptr_needle++);
525  if( ch2 == 0 )
526  return (char*)ptr_haystack;
527  if( ch1 != ch2 )
528  break;
529  }
530  if( *ptr_haystack == 0 )
531  return NULL;
532  ptr_haystack ++;
533  }
534 }
535 
536 #undef strcmp
537 #undef strncmp
538 #define memcmp CPL_afl_friendly_memcmp
539 #define strcmp CPL_afl_friendly_strcmp
540 #define strncmp CPL_afl_friendly_strncmp
541 #define strcasecmp CPL_afl_friendly_strcasecmp
542 #define strncasecmp CPL_afl_friendly_strncasecmp
543 #define strstr CPL_afl_friendly_strstr
544 
545 #endif /* defined(AFL_FRIENDLY) && defined(__GNUC__) */
546 
547 # if defined(WIN32)
548 # define STRCASECMP(a,b) (stricmp(a,b))
549 # define STRNCASECMP(a,b,n) (strnicmp(a,b,n))
550 # else
551 
552 # define STRCASECMP(a,b) (strcasecmp(a,b))
553 
554 # define STRNCASECMP(a,b,n) (strncasecmp(a,b,n))
555 # endif
556 
557 # define EQUALN(a,b,n) (STRNCASECMP(a,b,n)==0)
558 
559 # define EQUAL(a,b) (STRCASECMP(a,b)==0)
560 #endif
561 
562 /*---------------------------------------------------------------------
563  * Does a string "a" start with string "b". Search is case-sensitive or,
564  * with CI, it is a case-insensitive comparison.
565  *--------------------------------------------------------------------- */
566 #ifndef STARTS_WITH_CI
567 
568 #define STARTS_WITH(a,b) (strncmp(a,b,strlen(b)) == 0)
569 
570 #define STARTS_WITH_CI(a,b) EQUALN(a,b,strlen(b))
571 #endif
572 
574 #ifndef CPL_THREADLOCAL
575 # define CPL_THREADLOCAL
576 #endif
577 
579 /* -------------------------------------------------------------------- */
580 /* Handle isnan() and isinf(). Note that isinf() and isnan() */
581 /* are supposed to be macros according to C99, defined in math.h */
582 /* Some systems (i.e. Tru64) don't have isinf() at all, so if */
583 /* the macro is not defined we just assume nothing is infinite. */
584 /* This may mean we have no real CPLIsInf() on systems with isinf()*/
585 /* function but no corresponding macro, but I can live with */
586 /* that since it isn't that important a test. */
587 /* -------------------------------------------------------------------- */
588 #ifdef _MSC_VER
589 # include <float.h>
590 # define CPLIsNan(x) _isnan(x)
591 # define CPLIsInf(x) (!_isnan(x) && !_finite(x))
592 # define CPLIsFinite(x) _finite(x)
593 #elif defined(__GNUC__) && ( __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 4 ) )
594 /* When including <cmath> in C++11 the isnan() macro is undefined, so that */
595 /* std::isnan() can work (#6489). This is a GCC specific workaround for now. */
596 # define CPLIsNan(x) __builtin_isnan(x)
597 # define CPLIsInf(x) __builtin_isinf(x)
598 # define CPLIsFinite(x) __builtin_isfinite(x)
599 #elif defined(__cplusplus) && defined(HAVE_STD_IS_NAN) && HAVE_STD_IS_NAN
600 extern "C++" {
601 #ifndef DOXYGEN_SKIP
602 #include <cmath>
603 #endif
604 static inline int CPLIsNan(float f) { return std::isnan(f); }
605 static inline int CPLIsNan(double f) { return std::isnan(f); }
606 static inline int CPLIsInf(float f) { return std::isinf(f); }
607 static inline int CPLIsInf(double f) { return std::isinf(f); }
608 static inline int CPLIsFinite(float f) { return std::isfinite(f); }
609 static inline int CPLIsFinite(double f) { return std::isfinite(f); }
610 }
611 #else
612 
613 #if defined(__cplusplus) && defined(__GNUC__) && defined(__linux) && !defined(__ANDROID__) && !defined(CPL_SUPRESS_CPLUSPLUS)
614 /* so to not get warning about conversion from double to float with */
615 /* gcc -Wfloat-conversion when using isnan()/isinf() macros */
616 extern "C++" {
617 static inline int CPLIsNan(float f) { return __isnanf(f); }
618 static inline int CPLIsNan(double f) { return __isnan(f); }
619 static inline int CPLIsInf(float f) { return __isinff(f); }
620 static inline int CPLIsInf(double f) { return __isinf(f); }
621 static inline int CPLIsFinite(float f) { return !__isnanf(f) && !__isinff(f); }
622 static inline int CPLIsFinite(double f) { return !__isnan(f) && !__isinf(f); }
623 }
624 #else
625 # define CPLIsNan(x) isnan(x)
626 # if defined(isinf) || defined(__FreeBSD__)
627 
628 # define CPLIsInf(x) isinf(x)
629 
630 # define CPLIsFinite(x) (!isnan(x) && !isinf(x))
631 # elif defined(__sun__)
632 # include <ieeefp.h>
633 # define CPLIsInf(x) (!finite(x) && !isnan(x))
634 # define CPLIsFinite(x) finite(x)
635 # else
636 # define CPLIsInf(x) (0)
637 # define CPLIsFinite(x) (!isnan(x))
638 # endif
639 #endif
640 #endif
641 
643 /*---------------------------------------------------------------------
644  * CPL_LSB and CPL_MSB
645  * Only one of these 2 macros should be defined and specifies the byte
646  * ordering for the current platform.
647  * This should be defined in the Makefile, but if it is not then
648  * the default is CPL_LSB (Intel ordering, LSB first).
649  *--------------------------------------------------------------------*/
650 #if defined(WORDS_BIGENDIAN) && !defined(CPL_MSB) && !defined(CPL_LSB)
651 # define CPL_MSB
652 #endif
653 
654 #if ! ( defined(CPL_LSB) || defined(CPL_MSB) )
655 #define CPL_LSB
656 #endif
657 
658 #if defined(CPL_LSB)
659 # define CPL_IS_LSB 1
660 #else
661 # define CPL_IS_LSB 0
662 #endif
663 
665 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
666 
668 extern "C++" {
669 
670 template <bool b> struct CPLStaticAssert {};
671 template<> struct CPLStaticAssert<true>
672 {
673  static void my_function() {}
674 };
675 
676 } /* extern "C++" */
677 
678 #define CPL_STATIC_ASSERT(x) CPLStaticAssert<x>::my_function()
679 #define CPL_STATIC_ASSERT_IF_AVAILABLE(x) CPL_STATIC_ASSERT(x)
680 
681 #else /* __cplusplus */
682 
683 #define CPL_STATIC_ASSERT_IF_AVAILABLE(x)
684 
685 #endif /* __cplusplus */
686 
688 /*---------------------------------------------------------------------
689  * Little endian <==> big endian byte swap macros.
690  *--------------------------------------------------------------------*/
691 
693 #define CPL_SWAP16(x) CPL_STATIC_CAST(GUInt16, (CPL_STATIC_CAST(GUInt16, x) << 8) | (CPL_STATIC_CAST(GUInt16, x) >> 8) )
694 
695 #if defined(HAVE_GCC_BSWAP) && (defined(__i386__) || defined(__x86_64__))
696 /* Could potentially be extended to other architectures but must be checked */
697 /* that the intrinsic is indeed efficient */
698 /* GCC (at least 4.6 or above) need that include */
699 #include <x86intrin.h>
701 #define CPL_SWAP32(x) CPL_STATIC_CAST(GUInt32, __builtin_bswap32(CPL_STATIC_CAST(GUInt32, x)))
702 
703 #define CPL_SWAP64(x) CPL_STATIC_CAST(GUInt64, __builtin_bswap64(CPL_STATIC_CAST(GUInt64, x)))
704 #elif defined(_MSC_VER)
705 #define CPL_SWAP32(x) CPL_STATIC_CAST(GUInt32, _byteswap_ulong(CPL_STATIC_CAST(GUInt32, x)))
706 #define CPL_SWAP64(x) CPL_STATIC_CAST(GUInt64, _byteswap_uint64(CPL_STATIC_CAST(GUInt64, x)))
707 #else
708 
709 #define CPL_SWAP32(x) \
710  CPL_STATIC_CAST(GUInt32, \
711  ((CPL_STATIC_CAST(GUInt32, x) & 0x000000ffU) << 24) | \
712  ((CPL_STATIC_CAST(GUInt32, x) & 0x0000ff00U) << 8) | \
713  ((CPL_STATIC_CAST(GUInt32, x) & 0x00ff0000U) >> 8) | \
714  ((CPL_STATIC_CAST(GUInt32, x) & 0xff000000U) >> 24) )
715 
717 #define CPL_SWAP64(x) \
718  ((CPL_STATIC_CAST(GUInt64, CPL_SWAP32(CPL_STATIC_CAST(GUInt32, x))) << 32) | \
719  (CPL_STATIC_CAST(GUInt64, CPL_SWAP32(CPL_STATIC_CAST(GUInt32, CPL_STATIC_CAST(GUInt64, x) >> 32)))))
720 
721 #endif
722 
724 #define CPL_SWAP16PTR(x) \
725 { \
726  GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
727  CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2); \
728  \
729  byTemp = _pabyDataT[0]; \
730  _pabyDataT[0] = _pabyDataT[1]; \
731  _pabyDataT[1] = byTemp; \
732 }
733 
734 #if defined(MAKE_SANITIZE_HAPPY) || !(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64))
735 
737 #define CPL_SWAP32PTR(x) \
738 { \
739  GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
740  CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4); \
741  \
742  byTemp = _pabyDataT[0]; \
743  _pabyDataT[0] = _pabyDataT[3]; \
744  _pabyDataT[3] = byTemp; \
745  byTemp = _pabyDataT[1]; \
746  _pabyDataT[1] = _pabyDataT[2]; \
747  _pabyDataT[2] = byTemp; \
748 }
749 
751 #define CPL_SWAP64PTR(x) \
752 { \
753  GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
754  CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8); \
755  \
756  byTemp = _pabyDataT[0]; \
757  _pabyDataT[0] = _pabyDataT[7]; \
758  _pabyDataT[7] = byTemp; \
759  byTemp = _pabyDataT[1]; \
760  _pabyDataT[1] = _pabyDataT[6]; \
761  _pabyDataT[6] = byTemp; \
762  byTemp = _pabyDataT[2]; \
763  _pabyDataT[2] = _pabyDataT[5]; \
764  _pabyDataT[5] = byTemp; \
765  byTemp = _pabyDataT[3]; \
766  _pabyDataT[3] = _pabyDataT[4]; \
767  _pabyDataT[4] = byTemp; \
768 }
769 
770 #else
771 
773 #define CPL_SWAP32PTR(x) \
774 { \
775  GUInt32 _n32; \
776  void* _lx = x; \
777  memcpy(&_n32, _lx, 4); \
778  CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4); \
779  _n32 = CPL_SWAP32(_n32); \
780  memcpy(_lx, &_n32, 4); \
781 }
782 
784 #define CPL_SWAP64PTR(x) \
785 { \
786  GUInt64 _n64; \
787  void* _lx = x; \
788  memcpy(&_n64, _lx, 8); \
789  CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8); \
790  _n64 = CPL_SWAP64(_n64); \
791  memcpy(_lx, &_n64, 8); \
792 }
793 
794 #endif
795 
797 #define CPL_SWAPDOUBLE(p) CPL_SWAP64PTR(p)
798 
799 #ifdef CPL_MSB
800 # define CPL_MSBWORD16(x) (x)
801 # define CPL_LSBWORD16(x) CPL_SWAP16(x)
802 # define CPL_MSBWORD32(x) (x)
803 # define CPL_LSBWORD32(x) CPL_SWAP32(x)
804 # define CPL_MSBPTR16(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2)
805 # define CPL_LSBPTR16(x) CPL_SWAP16PTR(x)
806 # define CPL_MSBPTR32(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4)
807 # define CPL_LSBPTR32(x) CPL_SWAP32PTR(x)
808 # define CPL_MSBPTR64(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8)
809 # define CPL_LSBPTR64(x) CPL_SWAP64PTR(x)
810 #else
811 
812 # define CPL_LSBWORD16(x) (x)
813 
814 # define CPL_MSBWORD16(x) CPL_SWAP16(x)
815 
816 # define CPL_LSBWORD32(x) (x)
817 
818 # define CPL_MSBWORD32(x) CPL_SWAP32(x)
819 
820 # define CPL_LSBPTR16(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2)
821 
822 # define CPL_MSBPTR16(x) CPL_SWAP16PTR(x)
823 
824 # define CPL_LSBPTR32(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4)
825 
826 # define CPL_MSBPTR32(x) CPL_SWAP32PTR(x)
827 
828 # define CPL_LSBPTR64(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8)
829 
830 # define CPL_MSBPTR64(x) CPL_SWAP64PTR(x)
831 #endif
832 
836 #define CPL_LSBINT16PTR(x) ((*CPL_REINTERPRET_CAST(const GByte*, x)) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+1) << 8))
837 
841 #define CPL_LSBINT32PTR(x) ((*CPL_REINTERPRET_CAST(const GByte*, x)) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+1) << 8) | \
842  (*((CPL_REINTERPRET_CAST(const GByte*, x))+2) << 16) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+3) << 24))
843 
845 #define CPL_LSBSINT16PTR(x) CPL_STATIC_CAST(GInt16,CPL_LSBINT16PTR(x))
846 
848 #define CPL_LSBUINT16PTR(x) CPL_STATIC_CAST(GUInt16, CPL_LSBINT16PTR(x))
849 
851 #define CPL_LSBSINT32PTR(x) CPL_STATIC_CAST(GInt32, CPL_LSBINT32PTR(x))
852 
854 #define CPL_LSBUINT32PTR(x) CPL_STATIC_CAST(GUInt32, CPL_LSBINT32PTR(x))
855 
857 /* Utility macro to explicitly mark intentionally unreferenced parameters. */
858 #ifndef UNREFERENCED_PARAM
859 # ifdef UNREFERENCED_PARAMETER /* May be defined by Windows API */
860 # define UNREFERENCED_PARAM(param) UNREFERENCED_PARAMETER(param)
861 # else
862 # define UNREFERENCED_PARAM(param) ((void)param)
863 # endif /* UNREFERENCED_PARAMETER */
864 #endif /* UNREFERENCED_PARAM */
865 
867 /***********************************************************************
868  * Define CPL_CVSID() macro. It can be disabled during a build by
869  * defining DISABLE_CVSID in the compiler options.
870  *
871  * The cvsid_aw() function is just there to prevent reports of cpl_cvsid()
872  * being unused.
873  */
874 
876 #ifndef DISABLE_CVSID
877 #if defined(__GNUC__) && __GNUC__ >= 4
878 # define CPL_CVSID(string) static const char cpl_cvsid[] __attribute__((used)) = string;
879 #else
880 # define CPL_CVSID(string) static const char cpl_cvsid[] = string; \
881 static const char *cvsid_aw() { return( cvsid_aw() ? NULL : cpl_cvsid ); }
882 #endif
883 #else
884 # define CPL_CVSID(string)
885 #endif
886 
888 /* We exclude mingw64 4.6 which seems to be broken regarding this */
889 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP) && !(defined(__MINGW64__) && __GNUC__ == 4 && __GNUC_MINOR__ == 6)
890 
891 # define CPL_NULL_TERMINATED __attribute__((__sentinel__))
892 #else
893 
894 # define CPL_NULL_TERMINATED
895 #endif
896 
897 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(DOXYGEN_SKIP)
898 
899 #define CPL_PRINT_FUNC_FORMAT( format_idx, arg_idx ) __attribute__((__format__ (__printf__, format_idx, arg_idx)))
900 
901 #define CPL_SCAN_FUNC_FORMAT( format_idx, arg_idx ) __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
902 #else
903 
904 #define CPL_PRINT_FUNC_FORMAT( format_idx, arg_idx )
905 
906 #define CPL_SCAN_FUNC_FORMAT( format_idx, arg_idx )
907 #endif
908 
909 #if defined(_MSC_VER) && (defined(GDAL_COMPILATION) || defined(CPL_ENABLE_MSVC_ANNOTATIONS))
910 #include <sal.h>
913 # define CPL_FORMAT_STRING(arg) _Printf_format_string_ arg
914 
916 # define CPL_SCANF_FORMAT_STRING(arg) _Scanf_format_string_ arg
917 #else
918 
919 # define CPL_FORMAT_STRING(arg) arg
920 
921 # define CPL_SCANF_FORMAT_STRING(arg) arg
922 #endif /* defined(_MSC_VER) && defined(GDAL_COMPILATION) */
923 
924 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP)
925 
926 #define CPL_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
927 #else
928 
929 #define CPL_WARN_UNUSED_RESULT
930 #endif
931 
932 #if defined(__GNUC__) && __GNUC__ >= 4
933 
934 # define CPL_UNUSED __attribute((__unused__))
935 #else
936 /* TODO: add cases for other compilers */
938 # define CPL_UNUSED
939 #endif
940 
941 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(DOXYGEN_SKIP)
942 
943 #define CPL_NO_RETURN __attribute__((noreturn))
944 #else
945 
946 #define CPL_NO_RETURN
947 #endif
948 
950 /* Clang __has_attribute */
951 #ifndef __has_attribute
952  #define __has_attribute(x) 0 // Compatibility with non-clang compilers.
953 #endif
954 
957 #if ((defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))) || __has_attribute(returns_nonnull)) && !defined(DOXYGEN_SKIP) && !defined(__INTEL_COMPILER)
958 
959 # define CPL_RETURNS_NONNULL __attribute__((returns_nonnull))
960 #else
961 
962 # define CPL_RETURNS_NONNULL
963 #endif
964 
965 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP)
966 
967 #define CPL_RESTRICT __restrict__
968 #else
969 
970 #define CPL_RESTRICT
971 #endif
972 
973 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
974 
977 # define CPL_OVERRIDE override
978 
980 # define CPL_FINAL final
981 
987 # define CPL_DISALLOW_COPY_ASSIGN(ClassName) \
988  ClassName( const ClassName & ) = delete; \
989  ClassName &operator=( const ClassName & ) = delete;
990 
991 #endif /* __cplusplus */
992 
993 #if !defined(DOXYGEN_SKIP)
994 #if defined(__has_extension)
995  #if __has_extension(attribute_deprecated_with_message)
996  /* Clang extension */
997  #define CPL_WARN_DEPRECATED(x) __attribute__ ((deprecated(x)))
998  #else
999  #define CPL_WARN_DEPRECATED(x)
1000  #endif
1001 #elif defined(__GNUC__)
1002  #define CPL_WARN_DEPRECATED(x) __attribute__ ((deprecated))
1003 #else
1004  #define CPL_WARN_DEPRECATED(x)
1005 #endif
1006 #endif
1007 
1008 #if !defined(_MSC_VER) && !defined(__APPLE__) && !defined(_FORTIFY_SOURCE)
1010 # if defined(GDAL_COMPILATION) && defined(WARN_STANDARD_PRINTF)
1011 int vsnprintf(char *str, size_t size, const char* fmt, va_list args)
1012  CPL_WARN_DEPRECATED("Use CPLvsnprintf() instead");
1013 int snprintf(char *str, size_t size, const char* fmt, ...)
1015  CPL_WARN_DEPRECATED("Use CPLsnprintf() instead");
1016 int sprintf(char *str, const char* fmt, ...)
1017  CPL_PRINT_FUNC_FORMAT(2, 3)
1018  CPL_WARN_DEPRECATED("Use CPLsnprintf() instead");
1019 # elif defined(GDAL_COMPILATION) && !defined(DONT_DEPRECATE_SPRINTF)
1020 int sprintf(char *str, const char* fmt, ...)
1021  CPL_PRINT_FUNC_FORMAT(2, 3)
1022  CPL_WARN_DEPRECATED("Use snprintf() or CPLsnprintf() instead");
1023 # endif /* defined(GDAL_COMPILATION) && defined(WARN_STANDARD_PRINTF) */
1024 CPL_C_END
1025 #endif /* !defined(_MSC_VER) && !defined(__APPLE__) */
1026 
1027 #if defined(MAKE_SANITIZE_HAPPY) || !(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64))
1028 
1029 #define CPL_CPU_REQUIRES_ALIGNED_ACCESS
1030 
1031 #endif
1032 
1033 #if defined(__cplusplus)
1034 
1035 #define CPL_ARRAYSIZE(array) \
1036  ((sizeof(array) / sizeof(*(array))) / \
1037  static_cast<size_t>(!(sizeof(array) % sizeof(*(array)))))
1038 
1039 extern "C++" {
1040 template<class T> static void CPL_IGNORE_RET_VAL(T) {}
1041 inline static bool CPL_TO_BOOL(int x) { return x != 0; }
1042 } /* extern "C++" */
1043 
1044 #endif /* __cplusplus */
1045 
1046 #if (((__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) || (defined(__clang__) && __clang_major__ >= 3)) && !defined(_MSC_VER))
1047 #define HAVE_GCC_DIAGNOSTIC_PUSH
1048 #endif
1049 
1050 #if ((__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2)) && !defined(_MSC_VER))
1051 #define HAVE_GCC_SYSTEM_HEADER
1052 #endif
1053 
1054 #if ((defined(__clang__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >=7))) || __GNUC__ >= 7)
1055 
1056 # define CPL_FALLTHROUGH [[clang::fallthrough]];
1057 #else
1058 
1059 # define CPL_FALLTHROUGH
1060 #endif
1061 
1063 // Define DEBUG_BOOL to compile in "MSVC mode", ie error out when
1064 // a integer is assigned to a bool
1065 // WARNING: use only at compilation time, since it is know to not work
1066 // at runtime for unknown reasons (crash in MongoDB driver for example)
1067 #if defined(__cplusplus) && defined(DEBUG_BOOL) && !defined(DO_NOT_USE_DEBUG_BOOL) && !defined(CPL_SUPRESS_CPLUSPLUS)
1068 extern "C++" {
1069 class MSVCPedanticBool
1070 {
1071 
1072  friend bool operator== (const bool& one, const MSVCPedanticBool& other);
1073  friend bool operator!= (const bool& one, const MSVCPedanticBool& other);
1074 
1075  bool b;
1076  MSVCPedanticBool(int bIn);
1077 
1078  public:
1079  /* b not initialized on purpose in default ctor to flag use. */
1080  /* cppcheck-suppress uninitMemberVar */
1081  MSVCPedanticBool() {}
1082  MSVCPedanticBool(bool bIn) : b(bIn) {}
1083  MSVCPedanticBool(const MSVCPedanticBool& other) : b(other.b) {}
1084 
1085  MSVCPedanticBool& operator= (const MSVCPedanticBool& other) { b = other.b; return *this; }
1086  MSVCPedanticBool& operator&= (const MSVCPedanticBool& other) { b &= other.b; return *this; }
1087  MSVCPedanticBool& operator|= (const MSVCPedanticBool& other) { b |= other.b; return *this; }
1088 
1089  bool operator== (const bool& other) const { return b == other; }
1090  bool operator!= (const bool& other) const { return b != other; }
1091  bool operator< (const bool& other) const { return b < other; }
1092  bool operator== (const MSVCPedanticBool& other) const { return b == other.b; }
1093  bool operator!= (const MSVCPedanticBool& other) const { return b != other.b; }
1094  bool operator< (const MSVCPedanticBool& other) const { return b < other.b; }
1095 
1096  bool operator! () const { return !b; }
1097  operator bool() const { return b; }
1098  operator int() const { return b; }
1099  operator GIntBig() const { return b; }
1100 };
1101 
1102 inline bool operator== (const bool& one, const MSVCPedanticBool& other) { return one == other.b; }
1103 inline bool operator!= (const bool& one, const MSVCPedanticBool& other) { return one != other.b; }
1104 
1105 /* We must include all C++ stuff before to avoid issues with templates that use bool */
1106 #include <vector>
1107 #include <map>
1108 #include <set>
1109 #include <string>
1110 #include <cstddef>
1111 #include <limits>
1112 #include <sstream>
1113 #include <fstream>
1114 #include <algorithm>
1115 #include <functional>
1116 #include <memory>
1117 #include <queue>
1118 #include <mutex>
1119 #include <unordered_map>
1120 #include <thread>
1121 #include <unordered_set>
1122 #include <complex>
1123 #include <iomanip>
1124 
1125 } /* extern C++ */
1126 
1127 #undef FALSE
1128 #define FALSE false
1129 #undef TRUE
1130 #define TRUE true
1131 
1132 /* In the very few cases we really need a "simple" type, fallback to bool */
1133 #define EMULATED_BOOL int
1134 
1135 /* Use our class instead of bool */
1136 #define bool MSVCPedanticBool
1137 
1138 /* "volatile bool" with the below substitution doesn't really work. */
1139 /* Just for the sake of the debug, we don't really need volatile */
1140 #define VOLATILE_BOOL bool
1141 
1142 #else /* defined(__cplusplus) && defined(DEBUG_BOOL) */
1143 
1144 #ifndef FALSE
1145 # define FALSE 0
1146 #endif
1147 
1148 #ifndef TRUE
1149 # define TRUE 1
1150 #endif
1151 
1152 #define EMULATED_BOOL bool
1153 #define VOLATILE_BOOL volatile bool
1154 
1155 #endif /* defined(__cplusplus) && defined(DEBUG_BOOL) */
1156 
1157 #if __clang_major__ >= 4 || (__clang_major__ == 3 && __clang_minor__ >= 8)
1158 #define CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW __attribute__((no_sanitize("unsigned-integer-overflow")))
1159 #else
1160 #define CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW
1161 #endif
1162 
1165 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
1166 #define CPL_NULLPTR nullptr
1167 #else
1168 #define CPL_NULLPTR NULL
1169 #endif
1170 
1172 /* This typedef is for C functions that take char** as argument, but */
1173 /* with the semantics of a const list. In C, char** is not implicitly cast to */
1174 /* const char* const*, contrary to C++. So when seen for C++, it is OK */
1175 /* to expose the prototyes as const char* const*, but for C we keep the */
1176 /* historical definition to avoid warnings. */
1177 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS) && !defined(DOXYGEN_SKIP)
1178 
1180 typedef const char* const* CSLConstList;
1181 #else
1182 
1184 typedef char** CSLConstList;
1185 #endif
1186 
1187 #endif /* ndef CPL_BASE_H_INCLUDED */
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:335
int GBool
Type for boolean values (alias to int)
Definition: cpl_port.h:221
int GInt32
Int32 type.
Definition: cpl_port.h:203
unsigned int GUInt32
Unsigned int32 type.
Definition: cpl_port.h:205
short GInt16
Int16 type.
Definition: cpl_port.h:209
unsigned char GByte
Unsigned byte type.
Definition: cpl_port.h:213
#define CPL_PRINT_FUNC_FORMAT(format_idx, arg_idx)
Tag a function to have printf() formatting.
Definition: cpl_port.h:904
GUIntBig GUInt64
Unsigned 64 bit integer type.
Definition: cpl_port.h:267
GIntBig GPtrDiff_t
Integer type large enough to hold the difference between 2 addresses.
Definition: cpl_port.h:284
char ** CSLConstList
Type of a constant null-terminated list of nul terminated strings.
Definition: cpl_port.h:1184
unsigned long long GUIntBig
Large unsigned integer type (generally 64-bit unsigned integer type).
Definition: cpl_port.h:249
unsigned short GUInt16
Unsigned int16 type.
Definition: cpl_port.h:211
int CPLsnprintf(char *str, size_t size, const char *fmt,...)
snprintf() wrapper that is not sensitive to LC_NUMERIC settings.
Definition: cpl_string.cpp:1337
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:337
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:246
GIntBig GInt64
Signed 64 bit integer type.
Definition: cpl_port.h:265

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