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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 || (defined(_MSVC_LANG) && _MSVC_LANG >= 201402L)
190 # define HAVE_CXX14 1
191 # endif
192 # if __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
193 # define HAVE_CXX17 1
194 # endif
195 #endif /* __cplusplus */
196
197 /*---------------------------------------------------------------------
198 * types for 16 and 32 bits integers, etc...
199 *--------------------------------------------------------------------*/
200 #if UINT_MAX == 65535
201 typedef long GInt32;
202 typedef unsigned long GUInt32;
203 #else
204
205 typedef int GInt32;
207 typedef unsigned int GUInt32;
208 #endif
209
211 typedef short GInt16;
213 typedef unsigned short GUInt16;
215 typedef unsigned char GByte;
216 /* hack for PDF driver and poppler >= 0.15.0 that defines incompatible "typedef bool GBool" */
217 /* in include/poppler/goo/gtypes.h */
218 #ifndef CPL_GBOOL_DEFINED
219
220 #define CPL_GBOOL_DEFINED
221
223 typedef int GBool;
224 #endif
225
227 #ifdef __cplusplus
228 #define CPL_STATIC_CAST(type, expr) static_cast<type>(expr)
229 #define CPL_REINTERPRET_CAST(type, expr) reinterpret_cast<type>(expr)
230 #else
231 #define CPL_STATIC_CAST(type, expr) ((type)(expr))
232 #define CPL_REINTERPRET_CAST(type, expr) ((type)(expr))
233 #endif
234
236 /* -------------------------------------------------------------------- */
237 /* 64bit support */
238 /* -------------------------------------------------------------------- */
239
240 #if defined(WIN32) && defined(_MSC_VER)
241 #define VSI_LARGE_API_SUPPORTED
242 #endif
243
244 #if HAVE_LONG_LONG
245
248 typedef long long GIntBig;
251 typedef unsigned long long GUIntBig;
252
254 #define GINTBIG_MIN (CPL_STATIC_CAST(GIntBig, 0x80000000) << 32)
255
256 #define GINTBIG_MAX ((CPL_STATIC_CAST(GIntBig, 0x7FFFFFFF) << 32) | 0xFFFFFFFFU)
257
258 #define GUINTBIG_MAX ((CPL_STATIC_CAST(GUIntBig, 0xFFFFFFFFU) << 32) | 0xFFFFFFFFU)
259
261 #define CPL_HAS_GINT64 1
262
264 /* Note: we might want to use instead int64_t / uint64_t if they are available */
265
267 typedef GIntBig GInt64;
269 typedef GUIntBig GUInt64;
270
272 #define GINT64_MIN GINTBIG_MIN
273
274 #define GINT64_MAX GINTBIG_MAX
275
276 #define GUINT64_MAX GUINTBIG_MAX
277
278 #else
279
280 #error "64bit integer support required"
281
282 #endif
283
284 #if SIZEOF_VOIDP == 8
285
286 typedef GIntBig GPtrDiff_t;
287 #else
288
289 typedef int GPtrDiff_t;
290 #endif
291
292 #ifdef GDAL_COMPILATION
293 #if HAVE_UINTPTR_T
294 #include <stdint.h>
295 typedef uintptr_t GUIntptr_t;
296 #elif SIZEOF_VOIDP == 8
297 typedef GUIntBig GUIntptr_t;
298 #else
299 typedef unsigned int GUIntptr_t;
300 #endif
301
302 #define CPL_IS_ALIGNED(ptr, quant) ((CPL_REINTERPRET_CAST(GUIntptr_t, CPL_STATIC_CAST(const void*, ptr)) % (quant)) == 0)
303
304 #endif
305
306 #if defined(__MSVCRT__) || (defined(WIN32) && defined(_MSC_VER))
307 #define CPL_FRMT_GB_WITHOUT_PREFIX "I64"
308 #elif HAVE_LONG_LONG
309
310 #define CPL_FRMT_GB_WITHOUT_PREFIX "ll"
311 #else
312 #define CPL_FRMT_GB_WITHOUT_PREFIX "l"
313 #endif
314
316 #define CPL_FRMT_GIB "%" CPL_FRMT_GB_WITHOUT_PREFIX "d"
317
318 #define CPL_FRMT_GUIB "%" CPL_FRMT_GB_WITHOUT_PREFIX "u"
319
321 #define GUINTBIG_TO_DOUBLE(x) CPL_STATIC_CAST(double, x)
322
325 #ifdef COMPAT_WITH_ICC_CONVERSION_CHECK
326 #define CPL_INT64_FITS_ON_INT32(x) ((x) >= INT_MIN && (x) <= INT_MAX)
327 #else
328 #define CPL_INT64_FITS_ON_INT32(x) (CPL_STATIC_CAST(GIntBig, CPL_STATIC_CAST(int, x)) == (x))
329 #endif
330
332 /* ==================================================================== */
333 /* Other standard services. */
334 /* ==================================================================== */
335 #ifdef __cplusplus
336
337 # define CPL_C_START extern "C" {
338
339 # define CPL_C_END }
340 #else
341 # define CPL_C_START
342 # define CPL_C_END
343 #endif
344
345 #ifndef CPL_DLL
346 #if defined(_MSC_VER) && !defined(CPL_DISABLE_DLL)
347 # define CPL_DLL __declspec(dllexport)
348 #else
349 # if defined(USE_GCC_VISIBILITY_FLAG)
350 # define CPL_DLL __attribute__ ((visibility("default")))
351 # else
352 # define CPL_DLL
353 # endif
354 #endif
355 #endif
356
358 /* Should optional (normally private) interfaces be exported? */
359 #ifdef CPL_OPTIONAL_APIS
360 # define CPL_ODLL CPL_DLL
361 #else
362 # define CPL_ODLL
363 #endif
364
366 #ifndef CPL_STDCALL
367 #if defined(_MSC_VER) && !defined(CPL_DISABLE_STDCALL)
368 # define CPL_STDCALL __stdcall
369 #else
370 # define CPL_STDCALL
371 #endif
372 #endif
373
375 #ifdef _MSC_VER
376 # define FORCE_CDECL __cdecl
377 #else
378 # define FORCE_CDECL
379 #endif
380
383 /* TODO : support for other compilers needed */
384 #if (defined(__GNUC__) && !defined(__NO_INLINE__)) || defined(_MSC_VER)
385 #define HAS_CPL_INLINE 1
386 #define CPL_INLINE __inline
387 #elif defined(__SUNPRO_CC)
388 #define HAS_CPL_INLINE 1
389 #define CPL_INLINE inline
390 #else
391 #define CPL_INLINE
392 #endif
393
395 #ifndef MAX
396
397 # define MIN(a,b) (((a)<(b)) ? (a) : (b))
398
399 # define MAX(a,b) (((a)>(b)) ? (a) : (b))
400 #endif
401
402 #ifndef ABS
403
404 # define ABS(x) (((x)<0) ? (-1*(x)) : (x))
405 #endif
406
407 #ifndef M_PI
408
409 # define M_PI 3.14159265358979323846
410 /* 3.1415926535897932384626433832795 */
411 #endif
412
413 /* -------------------------------------------------------------------- */
414 /* Macro to test equality of two floating point values. */
415 /* We use fabs() function instead of ABS() macro to avoid side */
416 /* effects. */
417 /* -------------------------------------------------------------------- */
419 #ifndef CPLIsEqual
420 # define CPLIsEqual(x,y) (fabs((x) - (y)) < 0.0000000000001)
421 #endif
422
424 /* -------------------------------------------------------------------- */
425 /* Provide macros for case insensitive string comparisons. */
426 /* -------------------------------------------------------------------- */
427 #ifndef EQUAL
428
429 #if defined(AFL_FRIENDLY) && defined(__GNUC__)
430
431 static inline int CPL_afl_friendly_memcmp(const void* ptr1, const void* ptr2, size_t len)
432 __attribute__((always_inline));
433
434 static inline int CPL_afl_friendly_memcmp(const void* ptr1, const void* ptr2, size_t len)
435 {
436 const unsigned char* bptr1 = (const unsigned char*)ptr1;
437 const unsigned char* bptr2 = (const unsigned char*)ptr2;
438 while( len-- )
439 {
440 unsigned char b1 = *(bptr1++);
441 unsigned char b2 = *(bptr2++);
442 if( b1 != b2 ) return b1 - b2;
443 }
444 return 0;
445 }
446
447 static inline int CPL_afl_friendly_strcmp(const char* ptr1, const char* ptr2)
448 __attribute__((always_inline));
449
450 static inline int CPL_afl_friendly_strcmp(const char* ptr1, const char* ptr2)
451 {
452 const unsigned char* usptr1 = (const unsigned char*)ptr1;
453 const unsigned char* usptr2 = (const unsigned char*)ptr2;
454 while( 1 )
455 {
456 unsigned char ch1 = *(usptr1++);
457 unsigned char ch2 = *(usptr2++);
458 if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
459 }
460 }
461
462 static inline int CPL_afl_friendly_strncmp(const char* ptr1, const char* ptr2, size_t len)
463 __attribute__((always_inline));
464
465 static inline int CPL_afl_friendly_strncmp(const char* ptr1, const char* ptr2, size_t len)
466 {
467 const unsigned char* usptr1 = (const unsigned char*)ptr1;
468 const unsigned char* usptr2 = (const unsigned char*)ptr2;
469 while( len -- )
470 {
471 unsigned char ch1 = *(usptr1++);
472 unsigned char ch2 = *(usptr2++);
473 if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
474 }
475 return 0;
476 }
477
478 static inline int CPL_afl_friendly_strcasecmp(const char* ptr1, const char* ptr2)
479 __attribute__((always_inline));
480
481 static inline int CPL_afl_friendly_strcasecmp(const char* ptr1, const char* ptr2)
482 {
483 const unsigned char* usptr1 = (const unsigned char*)ptr1;
484 const unsigned char* usptr2 = (const unsigned char*)ptr2;
485 while( 1 )
486 {
487 unsigned char ch1 = *(usptr1++);
488 unsigned char ch2 = *(usptr2++);
489 ch1 = (unsigned char)toupper(ch1);
490 ch2 = (unsigned char)toupper(ch2);
491 if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
492 }
493 }
494
495 static inline int CPL_afl_friendly_strncasecmp(const char* ptr1, const char* ptr2, size_t len)
496 __attribute__((always_inline));
497
498 static inline int CPL_afl_friendly_strncasecmp(const char* ptr1, const char* ptr2, size_t len)
499 {
500 const unsigned char* usptr1 = (const unsigned char*)ptr1;
501 const unsigned char* usptr2 = (const unsigned char*)ptr2;
502 while( len-- )
503 {
504 unsigned char ch1 = *(usptr1++);
505 unsigned char ch2 = *(usptr2++);
506 ch1 = (unsigned char)toupper(ch1);
507 ch2 = (unsigned char)toupper(ch2);
508 if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
509 }
510 return 0;
511 }
512
513 static inline char* CPL_afl_friendly_strstr(const char* haystack, const char* needle)
514 __attribute__((always_inline));
515
516 static inline char* CPL_afl_friendly_strstr(const char* haystack, const char* needle)
517 {
518 const char* ptr_haystack = haystack;
519 while( 1 )
520 {
521 const char* ptr_haystack2 = ptr_haystack;
522 const char* ptr_needle = needle;
523 while( 1 )
524 {
525 char ch1 = *(ptr_haystack2++);
526 char ch2 = *(ptr_needle++);
527 if( ch2 == 0 )
528 return (char*)ptr_haystack;
529 if( ch1 != ch2 )
530 break;
531 }
532 if( *ptr_haystack == 0 )
533 return NULL;
534 ptr_haystack ++;
535 }
536 }
537
538 #undef strcmp
539 #undef strncmp
540 #define memcmp CPL_afl_friendly_memcmp
541 #define strcmp CPL_afl_friendly_strcmp
542 #define strncmp CPL_afl_friendly_strncmp
543 #define strcasecmp CPL_afl_friendly_strcasecmp
544 #define strncasecmp CPL_afl_friendly_strncasecmp
545 #define strstr CPL_afl_friendly_strstr
546
547 #endif /* defined(AFL_FRIENDLY) && defined(__GNUC__) */
548
549 # if defined(WIN32)
550 # define STRCASECMP(a,b) (stricmp(a,b))
551 # define STRNCASECMP(a,b,n) (strnicmp(a,b,n))
552 # else
553
554 # define STRCASECMP(a,b) (strcasecmp(a,b))
555
556 # define STRNCASECMP(a,b,n) (strncasecmp(a,b,n))
557 # endif
558
559 # define EQUALN(a,b,n) (STRNCASECMP(a,b,n)==0)
560
561 # define EQUAL(a,b) (STRCASECMP(a,b)==0)
562 #endif
563
564 /*---------------------------------------------------------------------
565 * Does a string "a" start with string "b". Search is case-sensitive or,
566 * with CI, it is a case-insensitive comparison.
567 *--------------------------------------------------------------------- */
568 #ifndef STARTS_WITH_CI
569
570 #define STARTS_WITH(a,b) (strncmp(a,b,strlen(b)) == 0)
571
572 #define STARTS_WITH_CI(a,b) EQUALN(a,b,strlen(b))
573 #endif
574
576 #ifndef CPL_THREADLOCAL
577 # define CPL_THREADLOCAL
578 #endif
579
581 /* -------------------------------------------------------------------- */
582 /* Handle isnan() and isinf(). Note that isinf() and isnan() */
583 /* are supposed to be macros according to C99, defined in math.h */
584 /* Some systems (i.e. Tru64) don't have isinf() at all, so if */
585 /* the macro is not defined we just assume nothing is infinite. */
586 /* This may mean we have no real CPLIsInf() on systems with isinf()*/
587 /* function but no corresponding macro, but I can live with */
588 /* that since it isn't that important a test. */
589 /* -------------------------------------------------------------------- */
590 #ifdef _MSC_VER
591 # include <float.h>
592 # define CPLIsNan(x) _isnan(x)
593 # define CPLIsInf(x) (!_isnan(x) && !_finite(x))
594 # define CPLIsFinite(x) _finite(x)
595 #elif defined(__GNUC__) && ( __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 4 ) )
596 /* When including <cmath> in C++11 the isnan() macro is undefined, so that */
597 /* std::isnan() can work (#6489). This is a GCC specific workaround for now. */
598 # define CPLIsNan(x) __builtin_isnan(x)
599 # define CPLIsInf(x) __builtin_isinf(x)
600 # define CPLIsFinite(x) __builtin_isfinite(x)
601 #elif defined(__cplusplus) && defined(HAVE_STD_IS_NAN) && HAVE_STD_IS_NAN
602 extern "C++" {
603 #ifndef DOXYGEN_SKIP
604 #include <cmath>
605 #endif
606 static inline int CPLIsNan(float f) { return std::isnan(f); }
607 static inline int CPLIsNan(double f) { return std::isnan(f); }
608 static inline int CPLIsInf(float f) { return std::isinf(f); }
609 static inline int CPLIsInf(double f) { return std::isinf(f); }
610 static inline int CPLIsFinite(float f) { return std::isfinite(f); }
611 static inline int CPLIsFinite(double f) { return std::isfinite(f); }
612 }
613 #else
614
615 #if defined(__cplusplus) && defined(__GNUC__) && defined(__linux) && !defined(__ANDROID__) && !defined(CPL_SUPRESS_CPLUSPLUS)
616 /* so to not get warning about conversion from double to float with */
617 /* gcc -Wfloat-conversion when using isnan()/isinf() macros */
618 extern "C++" {
619 static inline int CPLIsNan(float f) { return __isnanf(f); }
620 static inline int CPLIsNan(double f) { return __isnan(f); }
621 static inline int CPLIsInf(float f) { return __isinff(f); }
622 static inline int CPLIsInf(double f) { return __isinf(f); }
623 static inline int CPLIsFinite(float f) { return !__isnanf(f) && !__isinff(f); }
624 static inline int CPLIsFinite(double f) { return !__isnan(f) && !__isinf(f); }
625 }
626 #else
627 # define CPLIsNan(x) isnan(x)
628 # if defined(isinf) || defined(__FreeBSD__)
629
630 # define CPLIsInf(x) isinf(x)
631
632 # define CPLIsFinite(x) (!isnan(x) && !isinf(x))
633 # elif defined(__sun__)
634 # include <ieeefp.h>
635 # define CPLIsInf(x) (!finite(x) && !isnan(x))
636 # define CPLIsFinite(x) finite(x)
637 # else
638 # define CPLIsInf(x) (0)
639 # define CPLIsFinite(x) (!isnan(x))
640 # endif
641 #endif
642 #endif
643
645 /*---------------------------------------------------------------------
646 * CPL_LSB and CPL_MSB
647 * Only one of these 2 macros should be defined and specifies the byte
648 * ordering for the current platform.
649 * This should be defined in the Makefile, but if it is not then
650 * the default is CPL_LSB (Intel ordering, LSB first).
651 *--------------------------------------------------------------------*/
652 #if defined(WORDS_BIGENDIAN) && !defined(CPL_MSB) && !defined(CPL_LSB)
653 # define CPL_MSB
654 #endif
655
656 #if ! ( defined(CPL_LSB) || defined(CPL_MSB) )
657 #define CPL_LSB
658 #endif
659
660 #if defined(CPL_LSB)
661 # define CPL_IS_LSB 1
662 #else
663 # define CPL_IS_LSB 0
664 #endif
665
667 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
668
670 extern "C++" {
671
672 template <bool b> struct CPLStaticAssert {};
673 template<> struct CPLStaticAssert<true>
674 {
675 static void my_function() {}
676 };
677
678 } /* extern "C++" */
679
680 #define CPL_STATIC_ASSERT(x) CPLStaticAssert<x>::my_function()
681 #define CPL_STATIC_ASSERT_IF_AVAILABLE(x) CPL_STATIC_ASSERT(x)
682
683 #else /* __cplusplus */
684
685 #define CPL_STATIC_ASSERT_IF_AVAILABLE(x)
686
687 #endif /* __cplusplus */
688
690 /*---------------------------------------------------------------------
691 * Little endian <==> big endian byte swap macros.
692 *--------------------------------------------------------------------*/
693
695 #define CPL_SWAP16(x) CPL_STATIC_CAST(GUInt16, (CPL_STATIC_CAST(GUInt16, x) << 8) | (CPL_STATIC_CAST(GUInt16, x) >> 8) )
696
697 #if defined(HAVE_GCC_BSWAP) && (defined(__i386__) || defined(__x86_64__))
698 /* Could potentially be extended to other architectures but must be checked */
699 /* that the intrinsic is indeed efficient */
700 /* GCC (at least 4.6 or above) need that include */
701 #include <x86intrin.h>
703 #define CPL_SWAP32(x) CPL_STATIC_CAST(GUInt32, __builtin_bswap32(CPL_STATIC_CAST(GUInt32, x)))
704
705 #define CPL_SWAP64(x) CPL_STATIC_CAST(GUInt64, __builtin_bswap64(CPL_STATIC_CAST(GUInt64, x)))
706 #elif defined(_MSC_VER)
707 #define CPL_SWAP32(x) CPL_STATIC_CAST(GUInt32, _byteswap_ulong(CPL_STATIC_CAST(GUInt32, x)))
708 #define CPL_SWAP64(x) CPL_STATIC_CAST(GUInt64, _byteswap_uint64(CPL_STATIC_CAST(GUInt64, x)))
709 #else
710
711 #define CPL_SWAP32(x) \
712 CPL_STATIC_CAST(GUInt32, \
713 ((CPL_STATIC_CAST(GUInt32, x) & 0x000000ffU) << 24) | \
714 ((CPL_STATIC_CAST(GUInt32, x) & 0x0000ff00U) << 8) | \
715 ((CPL_STATIC_CAST(GUInt32, x) & 0x00ff0000U) >> 8) | \
716 ((CPL_STATIC_CAST(GUInt32, x) & 0xff000000U) >> 24) )
717
719 #define CPL_SWAP64(x) \
720 ((CPL_STATIC_CAST(GUInt64, CPL_SWAP32(CPL_STATIC_CAST(GUInt32, x))) << 32) | \
721 (CPL_STATIC_CAST(GUInt64, CPL_SWAP32(CPL_STATIC_CAST(GUInt32, CPL_STATIC_CAST(GUInt64, x) >> 32)))))
722
723 #endif
724
726 #define CPL_SWAP16PTR(x) \
727 { \
728 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
729 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2); \
730 \
731 byTemp = _pabyDataT[0]; \
732 _pabyDataT[0] = _pabyDataT[1]; \
733 _pabyDataT[1] = byTemp; \
734 }
735
736 #if defined(MAKE_SANITIZE_HAPPY) || !(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64))
737
739 #define CPL_SWAP32PTR(x) \
740 { \
741 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
742 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4); \
743 \
744 byTemp = _pabyDataT[0]; \
745 _pabyDataT[0] = _pabyDataT[3]; \
746 _pabyDataT[3] = byTemp; \
747 byTemp = _pabyDataT[1]; \
748 _pabyDataT[1] = _pabyDataT[2]; \
749 _pabyDataT[2] = byTemp; \
750 }
751
753 #define CPL_SWAP64PTR(x) \
754 { \
755 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
756 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8); \
757 \
758 byTemp = _pabyDataT[0]; \
759 _pabyDataT[0] = _pabyDataT[7]; \
760 _pabyDataT[7] = byTemp; \
761 byTemp = _pabyDataT[1]; \
762 _pabyDataT[1] = _pabyDataT[6]; \
763 _pabyDataT[6] = byTemp; \
764 byTemp = _pabyDataT[2]; \
765 _pabyDataT[2] = _pabyDataT[5]; \
766 _pabyDataT[5] = byTemp; \
767 byTemp = _pabyDataT[3]; \
768 _pabyDataT[3] = _pabyDataT[4]; \
769 _pabyDataT[4] = byTemp; \
770 }
771
772 #else
773
775 #define CPL_SWAP32PTR(x) \
776 { \
777 GUInt32 _n32; \
778 void* _lx = x; \
779 memcpy(&_n32, _lx, 4); \
780 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4); \
781 _n32 = CPL_SWAP32(_n32); \
782 memcpy(_lx, &_n32, 4); \
783 }
784
786 #define CPL_SWAP64PTR(x) \
787 { \
788 GUInt64 _n64; \
789 void* _lx = x; \
790 memcpy(&_n64, _lx, 8); \
791 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8); \
792 _n64 = CPL_SWAP64(_n64); \
793 memcpy(_lx, &_n64, 8); \
794 }
795
796 #endif
797
799 #define CPL_SWAPDOUBLE(p) CPL_SWAP64PTR(p)
800
801 #ifdef CPL_MSB
802 # define CPL_MSBWORD16(x) (x)
803 # define CPL_LSBWORD16(x) CPL_SWAP16(x)
804 # define CPL_MSBWORD32(x) (x)
805 # define CPL_LSBWORD32(x) CPL_SWAP32(x)
806 # define CPL_MSBPTR16(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2)
807 # define CPL_LSBPTR16(x) CPL_SWAP16PTR(x)
808 # define CPL_MSBPTR32(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4)
809 # define CPL_LSBPTR32(x) CPL_SWAP32PTR(x)
810 # define CPL_MSBPTR64(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8)
811 # define CPL_LSBPTR64(x) CPL_SWAP64PTR(x)
812 #else
813
814 # define CPL_LSBWORD16(x) (x)
815
816 # define CPL_MSBWORD16(x) CPL_SWAP16(x)
817
818 # define CPL_LSBWORD32(x) (x)
819
820 # define CPL_MSBWORD32(x) CPL_SWAP32(x)
821
822 # define CPL_LSBPTR16(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2)
823
824 # define CPL_MSBPTR16(x) CPL_SWAP16PTR(x)
825
826 # define CPL_LSBPTR32(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4)
827
828 # define CPL_MSBPTR32(x) CPL_SWAP32PTR(x)
829
830 # define CPL_LSBPTR64(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8)
831
832 # define CPL_MSBPTR64(x) CPL_SWAP64PTR(x)
833 #endif
834
838 #define CPL_LSBINT16PTR(x) ((*CPL_REINTERPRET_CAST(const GByte*, x)) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+1) << 8))
839
843 #define CPL_LSBINT32PTR(x) ((*CPL_REINTERPRET_CAST(const GByte*, x)) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+1) << 8) | \
844 (*((CPL_REINTERPRET_CAST(const GByte*, x))+2) << 16) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+3) << 24))
845
847 #define CPL_LSBSINT16PTR(x) CPL_STATIC_CAST(GInt16,CPL_LSBINT16PTR(x))
848
850 #define CPL_LSBUINT16PTR(x) CPL_STATIC_CAST(GUInt16, CPL_LSBINT16PTR(x))
851
853 #define CPL_LSBSINT32PTR(x) CPL_STATIC_CAST(GInt32, CPL_LSBINT32PTR(x))
854
856 #define CPL_LSBUINT32PTR(x) CPL_STATIC_CAST(GUInt32, CPL_LSBINT32PTR(x))
857
859 /* Utility macro to explicitly mark intentionally unreferenced parameters. */
860 #ifndef UNREFERENCED_PARAM
861 # ifdef UNREFERENCED_PARAMETER /* May be defined by Windows API */
862 # define UNREFERENCED_PARAM(param) UNREFERENCED_PARAMETER(param)
863 # else
864 # define UNREFERENCED_PARAM(param) ((void)param)
865 # endif /* UNREFERENCED_PARAMETER */
866 #endif /* UNREFERENCED_PARAM */
867
869 /***********************************************************************
870 * Define CPL_CVSID() macro. It can be disabled during a build by
871 * defining DISABLE_CVSID in the compiler options.
872 *
873 * The cvsid_aw() function is just there to prevent reports of cpl_cvsid()
874 * being unused.
875 */
876
878 #ifndef DISABLE_CVSID
879 #if defined(__GNUC__) && __GNUC__ >= 4
880 # define CPL_CVSID(string) static const char cpl_cvsid[] __attribute__((used)) = string;
881 #else
882 # define CPL_CVSID(string) static const char cpl_cvsid[] = string; \
883 static const char *cvsid_aw() { return( cvsid_aw() ? NULL : cpl_cvsid ); }
884 #endif
885 #else
886 # define CPL_CVSID(string)
887 #endif
888
890 /* We exclude mingw64 4.6 which seems to be broken regarding this */
891 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP) && !(defined(__MINGW64__) && __GNUC__ == 4 && __GNUC_MINOR__ == 6)
892
893 # define CPL_NULL_TERMINATED __attribute__((__sentinel__))
894 #else
895
896 # define CPL_NULL_TERMINATED
897 #endif
898
899 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(DOXYGEN_SKIP)
900
901 #define CPL_PRINT_FUNC_FORMAT( format_idx, arg_idx ) __attribute__((__format__ (__printf__, format_idx, arg_idx)))
902
903 #define CPL_SCAN_FUNC_FORMAT( format_idx, arg_idx ) __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
904 #else
905
906 #define CPL_PRINT_FUNC_FORMAT( format_idx, arg_idx )
907
908 #define CPL_SCAN_FUNC_FORMAT( format_idx, arg_idx )
909 #endif
910
911 #if defined(_MSC_VER) && (defined(GDAL_COMPILATION) || defined(CPL_ENABLE_MSVC_ANNOTATIONS))
912 #include <sal.h>
915 # define CPL_FORMAT_STRING(arg) _Printf_format_string_ arg
916
918 # define CPL_SCANF_FORMAT_STRING(arg) _Scanf_format_string_ arg
919 #else
920
921 # define CPL_FORMAT_STRING(arg) arg
922
923 # define CPL_SCANF_FORMAT_STRING(arg) arg
924 #endif /* defined(_MSC_VER) && defined(GDAL_COMPILATION) */
925
926 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP)
927
928 #define CPL_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
929 #else
930
931 #define CPL_WARN_UNUSED_RESULT
932 #endif
933
934 #if defined(__GNUC__) && __GNUC__ >= 4
935
936 # define CPL_UNUSED __attribute((__unused__))
937 #else
938 /* TODO: add cases for other compilers */
940 # define CPL_UNUSED
941 #endif
942
943 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(DOXYGEN_SKIP)
944
945 #define CPL_NO_RETURN __attribute__((noreturn))
946 #else
947
948 #define CPL_NO_RETURN
949 #endif
950
952 /* Clang __has_attribute */
953 #ifndef __has_attribute
954 #define __has_attribute(x) 0 // Compatibility with non-clang compilers.
955 #endif
956
959 #if ((defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))) || __has_attribute(returns_nonnull)) && !defined(DOXYGEN_SKIP) && !defined(__INTEL_COMPILER)
960
961 # define CPL_RETURNS_NONNULL __attribute__((returns_nonnull))
962 #else
963
964 # define CPL_RETURNS_NONNULL
965 #endif
966
967 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP)
968
969 #define CPL_RESTRICT __restrict__
970 #else
971
972 #define CPL_RESTRICT
973 #endif
974
975 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
976
979 # define CPL_OVERRIDE override
980
982 # define CPL_FINAL final
983
989 # define CPL_DISALLOW_COPY_ASSIGN(ClassName) \
990 ClassName( const ClassName & ) = delete; \
991 ClassName &operator=( const ClassName & ) = delete;
992
993 #endif /* __cplusplus */
994
995 #if !defined(DOXYGEN_SKIP)
996 #if defined(__has_extension)
997 #if __has_extension(attribute_deprecated_with_message)
998 /* Clang extension */
999 #define CPL_WARN_DEPRECATED(x) __attribute__ ((deprecated(x)))
1000 #else
1001 #define CPL_WARN_DEPRECATED(x)
1002 #endif
1003 #elif defined(__GNUC__)
1004 #define CPL_WARN_DEPRECATED(x) __attribute__ ((deprecated))
1005 #else
1006 #define CPL_WARN_DEPRECATED(x)
1007 #endif
1008 #endif
1009
1010 #if !defined(_MSC_VER) && !defined(__APPLE__) && !defined(_FORTIFY_SOURCE)
1011 CPL_C_START
1012 # if defined(GDAL_COMPILATION) && defined(WARN_STANDARD_PRINTF)
1013 int vsnprintf(char *str, size_t size, const char* fmt, va_list args)
1014 CPL_WARN_DEPRECATED("Use CPLvsnprintf() instead");
1015 int snprintf(char *str, size_t size, const char* fmt, ...)
1016 CPL_PRINT_FUNC_FORMAT(3,4)
1017 CPL_WARN_DEPRECATED("Use CPLsnprintf() instead");
1018 int sprintf(char *str, const char* fmt, ...)
1019 CPL_PRINT_FUNC_FORMAT(2, 3)
1020 CPL_WARN_DEPRECATED("Use CPLsnprintf() instead");
1021 # elif defined(GDAL_COMPILATION) && !defined(DONT_DEPRECATE_SPRINTF)
1022 int sprintf(char *str, const char* fmt, ...)
1023 CPL_PRINT_FUNC_FORMAT(2, 3)
1024 CPL_WARN_DEPRECATED("Use snprintf() or CPLsnprintf() instead");
1025 # endif /* defined(GDAL_COMPILATION) && defined(WARN_STANDARD_PRINTF) */
1026 CPL_C_END
1027 #endif /* !defined(_MSC_VER) && !defined(__APPLE__) */
1028
1029 #if defined(MAKE_SANITIZE_HAPPY) || !(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64))
1030
1031 #define CPL_CPU_REQUIRES_ALIGNED_ACCESS
1032
1033 #endif
1034
1035 #if defined(__cplusplus)
1036
1037 #define CPL_ARRAYSIZE(array) \
1038 ((sizeof(array) / sizeof(*(array))) / \
1039 static_cast<size_t>(!(sizeof(array) % sizeof(*(array)))))
1040
1041 extern "C++" {
1042 template<class T> static void CPL_IGNORE_RET_VAL(T) {}
1043 inline static bool CPL_TO_BOOL(int x) { return x != 0; }
1044 } /* extern "C++" */
1045
1046 #endif /* __cplusplus */
1047
1048 #if (((__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) || (defined(__clang__) && __clang_major__ >= 3)) && !defined(_MSC_VER))
1049 #define HAVE_GCC_DIAGNOSTIC_PUSH
1050 #endif
1051
1052 #if ((__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2)) && !defined(_MSC_VER))
1053 #define HAVE_GCC_SYSTEM_HEADER
1054 #endif
1055
1056 #if ((defined(__clang__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >=7))) || __GNUC__ >= 7)
1057
1058 # define CPL_FALLTHROUGH [[clang::fallthrough]];
1059 #else
1060
1061 # define CPL_FALLTHROUGH
1062 #endif
1063
1065 // Define DEBUG_BOOL to compile in "MSVC mode", ie error out when
1066 // a integer is assigned to a bool
1067 // WARNING: use only at compilation time, since it is know to not work
1068 // at runtime for unknown reasons (crash in MongoDB driver for example)
1069 #if defined(__cplusplus) && defined(DEBUG_BOOL) && !defined(DO_NOT_USE_DEBUG_BOOL) && !defined(CPL_SUPRESS_CPLUSPLUS)
1070 extern "C++" {
1071 class MSVCPedanticBool
1072 {
1073
1074 friend bool operator== (const bool& one, const MSVCPedanticBool& other);
1075 friend bool operator!= (const bool& one, const MSVCPedanticBool& other);
1076
1077 bool b;
1078 MSVCPedanticBool(int bIn);
1079
1080 public:
1081 /* b not initialized on purpose in default ctor to flag use. */
1082 /* cppcheck-suppress uninitMemberVar */
1083 MSVCPedanticBool() {}
1084 MSVCPedanticBool(bool bIn) : b(bIn) {}
1085 MSVCPedanticBool(const MSVCPedanticBool& other) : b(other.b) {}
1086
1087 MSVCPedanticBool& operator= (const MSVCPedanticBool& other) { b = other.b; return *this; }
1088 MSVCPedanticBool& operator&= (const MSVCPedanticBool& other) { b &= other.b; return *this; }
1089 MSVCPedanticBool& operator|= (const MSVCPedanticBool& other) { b |= other.b; return *this; }
1090
1091 bool operator== (const bool& other) const { return b == other; }
1092 bool operator!= (const bool& other) const { return b != other; }
1093 bool operator< (const bool& other) const { return b < other; }
1094 bool operator== (const MSVCPedanticBool& other) const { return b == other.b; }
1095 bool operator!= (const MSVCPedanticBool& other) const { return b != other.b; }
1096 bool operator< (const MSVCPedanticBool& other) const { return b < other.b; }
1097
1098 bool operator! () const { return !b; }
1099 operator bool() const { return b; }
1100 operator int() const { return b; }
1101 operator GIntBig() const { return b; }
1102 };
1103
1104 inline bool operator== (const bool& one, const MSVCPedanticBool& other) { return one == other.b; }
1105 inline bool operator!= (const bool& one, const MSVCPedanticBool& other) { return one != other.b; }
1106
1107 /* We must include all C++ stuff before to avoid issues with templates that use bool */
1108 #include <vector>
1109 #include <map>
1110 #include <set>
1111 #include <string>
1112 #include <cstddef>
1113 #include <limits>
1114 #include <sstream>
1115 #include <fstream>
1116 #include <algorithm>
1117 #include <functional>
1118 #include <memory>
1119 #include <queue>
1120 #include <mutex>
1121 #include <unordered_map>
1122 #include <thread>
1123 #include <unordered_set>
1124 #include <complex>
1125 #include <iomanip>
1126
1127 } /* extern C++ */
1128
1129 #undef FALSE
1130 #define FALSE false
1131 #undef TRUE
1132 #define TRUE true
1133
1134 /* In the very few cases we really need a "simple" type, fallback to bool */
1135 #define EMULATED_BOOL int
1136
1137 /* Use our class instead of bool */
1138 #define bool MSVCPedanticBool
1139
1140 /* "volatile bool" with the below substitution doesn't really work. */
1141 /* Just for the sake of the debug, we don't really need volatile */
1142 #define VOLATILE_BOOL bool
1143
1144 #else /* defined(__cplusplus) && defined(DEBUG_BOOL) */
1145
1146 #ifndef FALSE
1147 # define FALSE 0
1148 #endif
1149
1150 #ifndef TRUE
1151 # define TRUE 1
1152 #endif
1153
1154 #define EMULATED_BOOL bool
1155 #define VOLATILE_BOOL volatile bool
1156
1157 #endif /* defined(__cplusplus) && defined(DEBUG_BOOL) */
1158
1159 #if __clang_major__ >= 4 || (__clang_major__ == 3 && __clang_minor__ >= 8)
1160 #define CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW __attribute__((no_sanitize("unsigned-integer-overflow")))
1161 #else
1162 #define CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW
1163 #endif
1164
1167 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
1168 #define CPL_NULLPTR nullptr
1169 #else
1170 #define CPL_NULLPTR NULL
1171 #endif
1172
1174 /* This typedef is for C functions that take char** as argument, but */
1175 /* with the semantics of a const list. In C, char** is not implicitly cast to */
1176 /* const char* const*, contrary to C++. So when seen for C++, it is OK */
1177 /* to expose the prototyes as const char* const*, but for C we keep the */
1178 /* historical definition to avoid warnings. */
1179 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS) && !defined(DOXYGEN_SKIP)
1180
1182 typedef const char* const* CSLConstList;
1183 #else
1184
1186 typedef char** CSLConstList;
1187 #endif
1188
1189 #endif /* ndef CPL_BASE_H_INCLUDED */
CPL_C_START
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:337
GBool
int GBool
Type for boolean values (alias to int)
Definition: cpl_port.h:223
GInt32
int GInt32
Int32 type.
Definition: cpl_port.h:205
GUInt32
unsigned int GUInt32
Unsigned int32 type.
Definition: cpl_port.h:207
GInt16
short GInt16
Int16 type.
Definition: cpl_port.h:211
GByte
unsigned char GByte
Unsigned byte type.
Definition: cpl_port.h:215
CPL_PRINT_FUNC_FORMAT
#define CPL_PRINT_FUNC_FORMAT(format_idx, arg_idx)
Tag a function to have printf() formatting.
Definition: cpl_port.h:906
GUInt64
GUIntBig GUInt64
Unsigned 64 bit integer type.
Definition: cpl_port.h:269
GPtrDiff_t
GIntBig GPtrDiff_t
Integer type large enough to hold the difference between 2 addresses.
Definition: cpl_port.h:286
CSLConstList
char ** CSLConstList
Type of a constant null-terminated list of nul terminated strings.
Definition: cpl_port.h:1186
GUIntBig
unsigned long long GUIntBig
Large unsigned integer type (generally 64-bit unsigned integer type).
Definition: cpl_port.h:251
GUInt16
unsigned short GUInt16
Unsigned int16 type.
Definition: cpl_port.h:213
CPLsnprintf
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
CPL_C_END
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:339
GIntBig
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:248
GInt64
GIntBig GInt64
Signed 64 bit integer type.
Definition: cpl_port.h:267

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