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cpl_port.h
Go to the documentation of this file.
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 spatialys.com>
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 # ifdef GDAL_COMPILATION
348 # define CPL_DLL __declspec(dllexport)
349 # else
350 # define CPL_DLL
351 # endif
352 # define CPL_INTERNAL
353 #else
354 # if defined(USE_GCC_VISIBILITY_FLAG)
355 # define CPL_DLL __attribute__ ((visibility("default")))
356 # if !defined(__MINGW32__)
357 # define CPL_INTERNAL __attribute__((visibility("hidden")))
358 # else
359 # define CPL_INTERNAL
360 # endif
361 # else
362 # define CPL_DLL
363 # define CPL_INTERNAL
364 # endif
365 #endif
366
367 // Marker for unstable API
368 #define CPL_UNSTABLE_API CPL_DLL
369
370 #endif
371
373 /* Should optional (normally private) interfaces be exported? */
374 #ifdef CPL_OPTIONAL_APIS
375 # define CPL_ODLL CPL_DLL
376 #else
377 # define CPL_ODLL
378 #endif
379
381 #ifndef CPL_STDCALL
382 #if defined(_MSC_VER) && !defined(CPL_DISABLE_STDCALL)
383 # define CPL_STDCALL __stdcall
384 #else
385 # define CPL_STDCALL
386 #endif
387 #endif
388
390 #ifdef _MSC_VER
391 # define FORCE_CDECL __cdecl
392 #else
393 # define FORCE_CDECL
394 #endif
395
398 /* TODO : support for other compilers needed */
399 #if (defined(__GNUC__) && !defined(__NO_INLINE__)) || defined(_MSC_VER)
400 #define HAS_CPL_INLINE 1
401 #define CPL_INLINE __inline
402 #elif defined(__SUNPRO_CC)
403 #define HAS_CPL_INLINE 1
404 #define CPL_INLINE inline
405 #else
406 #define CPL_INLINE
407 #endif
408
410 #ifndef MAX
411
412 # define MIN(a,b) (((a)<(b)) ? (a) : (b))
413
414 # define MAX(a,b) (((a)>(b)) ? (a) : (b))
415 #endif
416
417 #ifndef ABS
418
419 # define ABS(x) (((x)<0) ? (-1*(x)) : (x))
420 #endif
421
422 #ifndef M_PI
423
424 # define M_PI 3.14159265358979323846
425 /* 3.1415926535897932384626433832795 */
426 #endif
427
428 /* -------------------------------------------------------------------- */
429 /* Macro to test equality of two floating point values. */
430 /* We use fabs() function instead of ABS() macro to avoid side */
431 /* effects. */
432 /* -------------------------------------------------------------------- */
434 #ifndef CPLIsEqual
435 # define CPLIsEqual(x,y) (fabs((x) - (y)) < 0.0000000000001)
436 #endif
437
439 /* -------------------------------------------------------------------- */
440 /* Provide macros for case insensitive string comparisons. */
441 /* -------------------------------------------------------------------- */
442 #ifndef EQUAL
443
444 #if defined(AFL_FRIENDLY) && defined(__GNUC__)
445
446 static inline int CPL_afl_friendly_memcmp(const void* ptr1, const void* ptr2, size_t len)
447 __attribute__((always_inline));
448
449 static inline int CPL_afl_friendly_memcmp(const void* ptr1, const void* ptr2, size_t len)
450 {
451 const unsigned char* bptr1 = (const unsigned char*)ptr1;
452 const unsigned char* bptr2 = (const unsigned char*)ptr2;
453 while( len-- )
454 {
455 unsigned char b1 = *(bptr1++);
456 unsigned char b2 = *(bptr2++);
457 if( b1 != b2 ) return b1 - b2;
458 }
459 return 0;
460 }
461
462 static inline int CPL_afl_friendly_strcmp(const char* ptr1, const char* ptr2)
463 __attribute__((always_inline));
464
465 static inline int CPL_afl_friendly_strcmp(const char* ptr1, const char* ptr2)
466 {
467 const unsigned char* usptr1 = (const unsigned char*)ptr1;
468 const unsigned char* usptr2 = (const unsigned char*)ptr2;
469 while( 1 )
470 {
471 unsigned char ch1 = *(usptr1++);
472 unsigned char ch2 = *(usptr2++);
473 if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
474 }
475 }
476
477 static inline int CPL_afl_friendly_strncmp(const char* ptr1, const char* ptr2, size_t len)
478 __attribute__((always_inline));
479
480 static inline int CPL_afl_friendly_strncmp(const char* ptr1, const char* ptr2, size_t len)
481 {
482 const unsigned char* usptr1 = (const unsigned char*)ptr1;
483 const unsigned char* usptr2 = (const unsigned char*)ptr2;
484 while( len -- )
485 {
486 unsigned char ch1 = *(usptr1++);
487 unsigned char ch2 = *(usptr2++);
488 if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
489 }
490 return 0;
491 }
492
493 static inline int CPL_afl_friendly_strcasecmp(const char* ptr1, const char* ptr2)
494 __attribute__((always_inline));
495
496 static inline int CPL_afl_friendly_strcasecmp(const char* ptr1, const char* ptr2)
497 {
498 const unsigned char* usptr1 = (const unsigned char*)ptr1;
499 const unsigned char* usptr2 = (const unsigned char*)ptr2;
500 while( 1 )
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 }
509
510 static inline int CPL_afl_friendly_strncasecmp(const char* ptr1, const char* ptr2, size_t len)
511 __attribute__((always_inline));
512
513 static inline int CPL_afl_friendly_strncasecmp(const char* ptr1, const char* ptr2, size_t len)
514 {
515 const unsigned char* usptr1 = (const unsigned char*)ptr1;
516 const unsigned char* usptr2 = (const unsigned char*)ptr2;
517 while( len-- )
518 {
519 unsigned char ch1 = *(usptr1++);
520 unsigned char ch2 = *(usptr2++);
521 ch1 = (unsigned char)toupper(ch1);
522 ch2 = (unsigned char)toupper(ch2);
523 if( ch1 == 0 || ch1 != ch2 ) return ch1 - ch2;
524 }
525 return 0;
526 }
527
528 static inline char* CPL_afl_friendly_strstr(const char* haystack, const char* needle)
529 __attribute__((always_inline));
530
531 static inline char* CPL_afl_friendly_strstr(const char* haystack, const char* needle)
532 {
533 const char* ptr_haystack = haystack;
534 while( 1 )
535 {
536 const char* ptr_haystack2 = ptr_haystack;
537 const char* ptr_needle = needle;
538 while( 1 )
539 {
540 char ch1 = *(ptr_haystack2++);
541 char ch2 = *(ptr_needle++);
542 if( ch2 == 0 )
543 return (char*)ptr_haystack;
544 if( ch1 != ch2 )
545 break;
546 }
547 if( *ptr_haystack == 0 )
548 return NULL;
549 ptr_haystack ++;
550 }
551 }
552
553 #undef strcmp
554 #undef strncmp
555 #define memcmp CPL_afl_friendly_memcmp
556 #define strcmp CPL_afl_friendly_strcmp
557 #define strncmp CPL_afl_friendly_strncmp
558 #define strcasecmp CPL_afl_friendly_strcasecmp
559 #define strncasecmp CPL_afl_friendly_strncasecmp
560 #define strstr CPL_afl_friendly_strstr
561
562 #endif /* defined(AFL_FRIENDLY) && defined(__GNUC__) */
563
564 # if defined(WIN32)
565 # define STRCASECMP(a,b) (stricmp(a,b))
566 # define STRNCASECMP(a,b,n) (strnicmp(a,b,n))
567 # else
568
569 # define STRCASECMP(a,b) (strcasecmp(a,b))
570
571 # define STRNCASECMP(a,b,n) (strncasecmp(a,b,n))
572 # endif
573
574 # define EQUALN(a,b,n) (STRNCASECMP(a,b,n)==0)
575
576 # define EQUAL(a,b) (STRCASECMP(a,b)==0)
577 #endif
578
579 /*---------------------------------------------------------------------
580 * Does a string "a" start with string "b". Search is case-sensitive or,
581 * with CI, it is a case-insensitive comparison.
582 *--------------------------------------------------------------------- */
583 #ifndef STARTS_WITH_CI
584
585 #define STARTS_WITH(a,b) (strncmp(a,b,strlen(b)) == 0)
586
587 #define STARTS_WITH_CI(a,b) EQUALN(a,b,strlen(b))
588 #endif
589
591 #ifndef CPL_THREADLOCAL
592 # define CPL_THREADLOCAL
593 #endif
594
596 /* -------------------------------------------------------------------- */
597 /* Handle isnan() and isinf(). Note that isinf() and isnan() */
598 /* are supposed to be macros according to C99, defined in math.h */
599 /* Some systems (i.e. Tru64) don't have isinf() at all, so if */
600 /* the macro is not defined we just assume nothing is infinite. */
601 /* This may mean we have no real CPLIsInf() on systems with isinf()*/
602 /* function but no corresponding macro, but I can live with */
603 /* that since it isn't that important a test. */
604 /* -------------------------------------------------------------------- */
605 #ifdef _MSC_VER
606 # include <float.h>
607 # define CPLIsNan(x) _isnan(x)
608 # define CPLIsInf(x) (!_isnan(x) && !_finite(x))
609 # define CPLIsFinite(x) _finite(x)
610 #elif defined(__GNUC__) && ( __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 4 ) )
611 /* When including <cmath> in C++11 the isnan() macro is undefined, so that */
612 /* std::isnan() can work (#6489). This is a GCC specific workaround for now. */
613 # define CPLIsNan(x) __builtin_isnan(x)
614 # define CPLIsInf(x) __builtin_isinf(x)
615 # define CPLIsFinite(x) __builtin_isfinite(x)
616 #elif defined(__cplusplus) && defined(HAVE_STD_IS_NAN) && HAVE_STD_IS_NAN
617 extern "C++" {
618 #ifndef DOXYGEN_SKIP
619 #include <cmath>
620 #endif
621 static inline int CPLIsNan(float f) { return std::isnan(f); }
622 static inline int CPLIsNan(double f) { return std::isnan(f); }
623 static inline int CPLIsInf(float f) { return std::isinf(f); }
624 static inline int CPLIsInf(double f) { return std::isinf(f); }
625 static inline int CPLIsFinite(float f) { return std::isfinite(f); }
626 static inline int CPLIsFinite(double f) { return std::isfinite(f); }
627 }
628 #else
629
630 #if defined(__cplusplus) && defined(__GNUC__) && defined(__linux) && !defined(__ANDROID__) && !defined(CPL_SUPRESS_CPLUSPLUS)
631 /* so to not get warning about conversion from double to float with */
632 /* gcc -Wfloat-conversion when using isnan()/isinf() macros */
633 extern "C++" {
634 static inline int CPLIsNan(float f) { return __isnanf(f); }
635 static inline int CPLIsNan(double f) { return __isnan(f); }
636 static inline int CPLIsInf(float f) { return __isinff(f); }
637 static inline int CPLIsInf(double f) { return __isinf(f); }
638 static inline int CPLIsFinite(float f) { return !__isnanf(f) && !__isinff(f); }
639 static inline int CPLIsFinite(double f) { return !__isnan(f) && !__isinf(f); }
640 }
641 #else
642 # define CPLIsNan(x) isnan(x)
643 # if defined(isinf) || defined(__FreeBSD__)
644
645 # define CPLIsInf(x) isinf(x)
646
647 # define CPLIsFinite(x) (!isnan(x) && !isinf(x))
648 # elif defined(__sun__)
649 # include <ieeefp.h>
650 # define CPLIsInf(x) (!finite(x) && !isnan(x))
651 # define CPLIsFinite(x) finite(x)
652 # else
653 # define CPLIsInf(x) (0)
654 # define CPLIsFinite(x) (!isnan(x))
655 # endif
656 #endif
657 #endif
658
660 /*---------------------------------------------------------------------
661 * CPL_LSB and CPL_MSB
662 * Only one of these 2 macros should be defined and specifies the byte
663 * ordering for the current platform.
664 * This should be defined in the Makefile, but if it is not then
665 * the default is CPL_LSB (Intel ordering, LSB first).
666 *--------------------------------------------------------------------*/
667 #if defined(WORDS_BIGENDIAN) && !defined(CPL_MSB) && !defined(CPL_LSB)
668 # define CPL_MSB
669 #endif
670
671 #if ! ( defined(CPL_LSB) || defined(CPL_MSB) )
672 #define CPL_LSB
673 #endif
674
675 #if defined(CPL_LSB)
676 # define CPL_IS_LSB 1
677 #else
678 # define CPL_IS_LSB 0
679 #endif
680
682 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
683
685 extern "C++" {
686
687 template <bool b> struct CPLStaticAssert {};
688 template<> struct CPLStaticAssert<true>
689 {
690 static void my_function() {}
691 };
692
693 } /* extern "C++" */
694
695 #define CPL_STATIC_ASSERT(x) CPLStaticAssert<x>::my_function()
696 #define CPL_STATIC_ASSERT_IF_AVAILABLE(x) CPL_STATIC_ASSERT(x)
697
698 #else /* __cplusplus */
699
700 #define CPL_STATIC_ASSERT_IF_AVAILABLE(x)
701
702 #endif /* __cplusplus */
703
705 /*---------------------------------------------------------------------
706 * Little endian <==> big endian byte swap macros.
707 *--------------------------------------------------------------------*/
708
710 #define CPL_SWAP16(x) CPL_STATIC_CAST(GUInt16, (CPL_STATIC_CAST(GUInt16, x) << 8) | (CPL_STATIC_CAST(GUInt16, x) >> 8) )
711
712 #if defined(HAVE_GCC_BSWAP) && (defined(__i386__) || defined(__x86_64__))
713 /* Could potentially be extended to other architectures but must be checked */
714 /* that the intrinsic is indeed efficient */
715 /* GCC (at least 4.6 or above) need that include */
716 #include <x86intrin.h>
718 #define CPL_SWAP32(x) CPL_STATIC_CAST(GUInt32, __builtin_bswap32(CPL_STATIC_CAST(GUInt32, x)))
719
720 #define CPL_SWAP64(x) CPL_STATIC_CAST(GUInt64, __builtin_bswap64(CPL_STATIC_CAST(GUInt64, x)))
721 #elif defined(_MSC_VER)
722 #define CPL_SWAP32(x) CPL_STATIC_CAST(GUInt32, _byteswap_ulong(CPL_STATIC_CAST(GUInt32, x)))
723 #define CPL_SWAP64(x) CPL_STATIC_CAST(GUInt64, _byteswap_uint64(CPL_STATIC_CAST(GUInt64, x)))
724 #else
725
726 #define CPL_SWAP32(x) \
727 CPL_STATIC_CAST(GUInt32, \
728 ((CPL_STATIC_CAST(GUInt32, x) & 0x000000ffU) << 24) | \
729 ((CPL_STATIC_CAST(GUInt32, x) & 0x0000ff00U) << 8) | \
730 ((CPL_STATIC_CAST(GUInt32, x) & 0x00ff0000U) >> 8) | \
731 ((CPL_STATIC_CAST(GUInt32, x) & 0xff000000U) >> 24) )
732
734 #define CPL_SWAP64(x) \
735 ((CPL_STATIC_CAST(GUInt64, CPL_SWAP32(CPL_STATIC_CAST(GUInt32, x))) << 32) | \
736 (CPL_STATIC_CAST(GUInt64, CPL_SWAP32(CPL_STATIC_CAST(GUInt32, CPL_STATIC_CAST(GUInt64, x) >> 32)))))
737
738 #endif
739
741 #define CPL_SWAP16PTR(x) \
742 { \
743 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
744 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2); \
745 \
746 byTemp = _pabyDataT[0]; \
747 _pabyDataT[0] = _pabyDataT[1]; \
748 _pabyDataT[1] = byTemp; \
749 }
750
751 #if defined(MAKE_SANITIZE_HAPPY) || !(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64))
752
754 #define CPL_SWAP32PTR(x) \
755 { \
756 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
757 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4); \
758 \
759 byTemp = _pabyDataT[0]; \
760 _pabyDataT[0] = _pabyDataT[3]; \
761 _pabyDataT[3] = byTemp; \
762 byTemp = _pabyDataT[1]; \
763 _pabyDataT[1] = _pabyDataT[2]; \
764 _pabyDataT[2] = byTemp; \
765 }
766
768 #define CPL_SWAP64PTR(x) \
769 { \
770 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
771 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8); \
772 \
773 byTemp = _pabyDataT[0]; \
774 _pabyDataT[0] = _pabyDataT[7]; \
775 _pabyDataT[7] = byTemp; \
776 byTemp = _pabyDataT[1]; \
777 _pabyDataT[1] = _pabyDataT[6]; \
778 _pabyDataT[6] = byTemp; \
779 byTemp = _pabyDataT[2]; \
780 _pabyDataT[2] = _pabyDataT[5]; \
781 _pabyDataT[5] = byTemp; \
782 byTemp = _pabyDataT[3]; \
783 _pabyDataT[3] = _pabyDataT[4]; \
784 _pabyDataT[4] = byTemp; \
785 }
786
787 #else
788
790 #define CPL_SWAP32PTR(x) \
791 { \
792 GUInt32 _n32; \
793 void* _lx = x; \
794 memcpy(&_n32, _lx, 4); \
795 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4); \
796 _n32 = CPL_SWAP32(_n32); \
797 memcpy(_lx, &_n32, 4); \
798 }
799
801 #define CPL_SWAP64PTR(x) \
802 { \
803 GUInt64 _n64; \
804 void* _lx = x; \
805 memcpy(&_n64, _lx, 8); \
806 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8); \
807 _n64 = CPL_SWAP64(_n64); \
808 memcpy(_lx, &_n64, 8); \
809 }
810
811 #endif
812
814 #define CPL_SWAPDOUBLE(p) CPL_SWAP64PTR(p)
815
816 #ifdef CPL_MSB
817 # define CPL_MSBWORD16(x) (x)
818 # define CPL_LSBWORD16(x) CPL_SWAP16(x)
819 # define CPL_MSBWORD32(x) (x)
820 # define CPL_LSBWORD32(x) CPL_SWAP32(x)
821 # define CPL_MSBPTR16(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2)
822 # define CPL_LSBPTR16(x) CPL_SWAP16PTR(x)
823 # define CPL_MSBPTR32(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4)
824 # define CPL_LSBPTR32(x) CPL_SWAP32PTR(x)
825 # define CPL_MSBPTR64(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8)
826 # define CPL_LSBPTR64(x) CPL_SWAP64PTR(x)
827 #else
828
829 # define CPL_LSBWORD16(x) (x)
830
831 # define CPL_MSBWORD16(x) CPL_SWAP16(x)
832
833 # define CPL_LSBWORD32(x) (x)
834
835 # define CPL_MSBWORD32(x) CPL_SWAP32(x)
836
837 # define CPL_LSBPTR16(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2)
838
839 # define CPL_MSBPTR16(x) CPL_SWAP16PTR(x)
840
841 # define CPL_LSBPTR32(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4)
842
843 # define CPL_MSBPTR32(x) CPL_SWAP32PTR(x)
844
845 # define CPL_LSBPTR64(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8)
846
847 # define CPL_MSBPTR64(x) CPL_SWAP64PTR(x)
848 #endif
849
853 #define CPL_LSBINT16PTR(x) ((*CPL_REINTERPRET_CAST(const GByte*, x)) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+1) << 8))
854
858 #define CPL_LSBINT32PTR(x) ((*CPL_REINTERPRET_CAST(const GByte*, x)) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+1) << 8) | \
859 (*((CPL_REINTERPRET_CAST(const GByte*, x))+2) << 16) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+3) << 24))
860
862 #define CPL_LSBSINT16PTR(x) CPL_STATIC_CAST(GInt16,CPL_LSBINT16PTR(x))
863
865 #define CPL_LSBUINT16PTR(x) CPL_STATIC_CAST(GUInt16, CPL_LSBINT16PTR(x))
866
868 #define CPL_LSBSINT32PTR(x) CPL_STATIC_CAST(GInt32, CPL_LSBINT32PTR(x))
869
871 #define CPL_LSBUINT32PTR(x) CPL_STATIC_CAST(GUInt32, CPL_LSBINT32PTR(x))
872
874 /* Utility macro to explicitly mark intentionally unreferenced parameters. */
875 #ifndef UNREFERENCED_PARAM
876 # ifdef UNREFERENCED_PARAMETER /* May be defined by Windows API */
877 # define UNREFERENCED_PARAM(param) UNREFERENCED_PARAMETER(param)
878 # else
879 # define UNREFERENCED_PARAM(param) ((void)param)
880 # endif /* UNREFERENCED_PARAMETER */
881 #endif /* UNREFERENCED_PARAM */
882
884 /***********************************************************************
885 * Define CPL_CVSID() macro. It can be disabled during a build by
886 * defining DISABLE_CVSID in the compiler options.
887 *
888 * The cvsid_aw() function is just there to prevent reports of cpl_cvsid()
889 * being unused.
890 */
891
893 #ifndef DISABLE_CVSID
894 #if defined(__GNUC__) && __GNUC__ >= 4
895 # define CPL_CVSID(string) static const char cpl_cvsid[] __attribute__((used)) = string;
896 #else
897 # define CPL_CVSID(string) static const char cpl_cvsid[] = string; \
898 static const char *cvsid_aw() { return( cvsid_aw() ? NULL : cpl_cvsid ); }
899 #endif
900 #else
901 # define CPL_CVSID(string)
902 #endif
903
905 /* We exclude mingw64 4.6 which seems to be broken regarding this */
906 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP) && !(defined(__MINGW64__) && __GNUC__ == 4 && __GNUC_MINOR__ == 6)
907
908 # define CPL_NULL_TERMINATED __attribute__((__sentinel__))
909 #else
910
911 # define CPL_NULL_TERMINATED
912 #endif
913
914 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(DOXYGEN_SKIP)
915
916 #define CPL_PRINT_FUNC_FORMAT( format_idx, arg_idx ) __attribute__((__format__ (__printf__, format_idx, arg_idx)))
917
918 #define CPL_SCAN_FUNC_FORMAT( format_idx, arg_idx ) __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
919 #else
920
921 #define CPL_PRINT_FUNC_FORMAT( format_idx, arg_idx )
922
923 #define CPL_SCAN_FUNC_FORMAT( format_idx, arg_idx )
924 #endif
925
926 #if defined(_MSC_VER) && (defined(GDAL_COMPILATION) || defined(CPL_ENABLE_MSVC_ANNOTATIONS))
927 #include <sal.h>
930 # define CPL_FORMAT_STRING(arg) _Printf_format_string_ arg
931
933 # define CPL_SCANF_FORMAT_STRING(arg) _Scanf_format_string_ arg
934 #else
935
936 # define CPL_FORMAT_STRING(arg) arg
937
938 # define CPL_SCANF_FORMAT_STRING(arg) arg
939 #endif /* defined(_MSC_VER) && defined(GDAL_COMPILATION) */
940
941 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP)
942
943 #define CPL_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
944 #else
945
946 #define CPL_WARN_UNUSED_RESULT
947 #endif
948
949 #if defined(__GNUC__) && __GNUC__ >= 4
950
951 # define CPL_UNUSED __attribute((__unused__))
952 #else
953 /* TODO: add cases for other compilers */
955 # define CPL_UNUSED
956 #endif
957
958 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(DOXYGEN_SKIP)
959
960 #define CPL_NO_RETURN __attribute__((noreturn))
961 #else
962
963 #define CPL_NO_RETURN
964 #endif
965
967 /* Clang __has_attribute */
968 #ifndef __has_attribute
969 #define __has_attribute(x) 0 // Compatibility with non-clang compilers.
970 #endif
971
974 #if ((defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))) || __has_attribute(returns_nonnull)) && !defined(DOXYGEN_SKIP) && !defined(__INTEL_COMPILER)
975
976 # define CPL_RETURNS_NONNULL __attribute__((returns_nonnull))
977 #else
978
979 # define CPL_RETURNS_NONNULL
980 #endif
981
982 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP)
983
984 #define CPL_RESTRICT __restrict__
985 #else
986
987 #define CPL_RESTRICT
988 #endif
989
990 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
991
994 # define CPL_OVERRIDE override
995
997 # define CPL_FINAL final
998
1000 # define CPL_NON_FINAL
1001
1007 # define CPL_DISALLOW_COPY_ASSIGN(ClassName) \
1008 ClassName( const ClassName & ) = delete; \
1009 ClassName &operator=( const ClassName & ) = delete;
1010
1011 #endif /* __cplusplus */
1012
1013 #if !defined(DOXYGEN_SKIP)
1014 #if defined(__has_extension)
1015 #if __has_extension(attribute_deprecated_with_message)
1016 /* Clang extension */
1017 #define CPL_WARN_DEPRECATED(x) __attribute__ ((deprecated(x)))
1018 #else
1019 #define CPL_WARN_DEPRECATED(x)
1020 #endif
1021 #elif defined(__GNUC__)
1022 #define CPL_WARN_DEPRECATED(x) __attribute__ ((deprecated))
1023 #else
1024 #define CPL_WARN_DEPRECATED(x)
1025 #endif
1026 #endif
1027
1028 #if !defined(_MSC_VER) && !defined(__APPLE__) && !defined(_FORTIFY_SOURCE)
1029 CPL_C_START
1030 # if defined(GDAL_COMPILATION) && defined(WARN_STANDARD_PRINTF)
1031 int vsnprintf(char *str, size_t size, const char* fmt, va_list args)
1032 CPL_WARN_DEPRECATED("Use CPLvsnprintf() instead");
1033 int snprintf(char *str, size_t size, const char* fmt, ...)
1034 CPL_PRINT_FUNC_FORMAT(3,4)
1035 CPL_WARN_DEPRECATED("Use CPLsnprintf() instead");
1036 int sprintf(char *str, const char* fmt, ...)
1037 CPL_PRINT_FUNC_FORMAT(2, 3)
1038 CPL_WARN_DEPRECATED("Use CPLsnprintf() instead");
1039 # elif defined(GDAL_COMPILATION) && !defined(DONT_DEPRECATE_SPRINTF)
1040 int sprintf(char *str, const char* fmt, ...)
1041 CPL_PRINT_FUNC_FORMAT(2, 3)
1042 CPL_WARN_DEPRECATED("Use snprintf() or CPLsnprintf() instead");
1043 # endif /* defined(GDAL_COMPILATION) && defined(WARN_STANDARD_PRINTF) */
1044 CPL_C_END
1045 #endif /* !defined(_MSC_VER) && !defined(__APPLE__) */
1046
1047 #if defined(MAKE_SANITIZE_HAPPY) || !(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64))
1048
1049 #define CPL_CPU_REQUIRES_ALIGNED_ACCESS
1050
1051 #endif
1052
1053 #if defined(__cplusplus)
1054
1055 #define CPL_ARRAYSIZE(array) \
1056 ((sizeof(array) / sizeof(*(array))) / \
1057 static_cast<size_t>(!(sizeof(array) % sizeof(*(array)))))
1058
1059 extern "C++" {
1060 template<class T> static void CPL_IGNORE_RET_VAL(const T&) {}
1061 inline static bool CPL_TO_BOOL(int x) { return x != 0; }
1062 } /* extern "C++" */
1063
1064 #endif /* __cplusplus */
1065
1066 #if (((__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) || (defined(__clang__) && __clang_major__ >= 3)) && !defined(_MSC_VER))
1067 #define HAVE_GCC_DIAGNOSTIC_PUSH
1068 #endif
1069
1070 #if ((__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2)) && !defined(_MSC_VER))
1071 #define HAVE_GCC_SYSTEM_HEADER
1072 #endif
1073
1074 #if ((defined(__clang__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >=7))) || __GNUC__ >= 7)
1075
1076 # define CPL_FALLTHROUGH [[clang::fallthrough]];
1077 #else
1078
1079 # define CPL_FALLTHROUGH
1080 #endif
1081
1083 // Define DEBUG_BOOL to compile in "MSVC mode", ie error out when
1084 // a integer is assigned to a bool
1085 // WARNING: use only at compilation time, since it is know to not work
1086 // at runtime for unknown reasons (crash in MongoDB driver for example)
1087 #if defined(__cplusplus) && defined(DEBUG_BOOL) && !defined(DO_NOT_USE_DEBUG_BOOL) && !defined(CPL_SUPRESS_CPLUSPLUS)
1088 extern "C++" {
1089 class MSVCPedanticBool
1090 {
1091
1092 friend bool operator== (const bool& one, const MSVCPedanticBool& other);
1093 friend bool operator!= (const bool& one, const MSVCPedanticBool& other);
1094
1095 bool b;
1096 MSVCPedanticBool(int bIn);
1097
1098 public:
1099 /* b not initialized on purpose in default ctor to flag use. */
1100 /* cppcheck-suppress uninitMemberVar */
1101 MSVCPedanticBool() {}
1102 MSVCPedanticBool(bool bIn) : b(bIn) {}
1103 MSVCPedanticBool(const MSVCPedanticBool& other) : b(other.b) {}
1104
1105 MSVCPedanticBool& operator= (const MSVCPedanticBool& other) { b = other.b; return *this; }
1106 MSVCPedanticBool& operator&= (const MSVCPedanticBool& other) { b &= other.b; return *this; }
1107 MSVCPedanticBool& operator|= (const MSVCPedanticBool& other) { b |= other.b; return *this; }
1108
1109 bool operator== (const bool& other) const { return b == other; }
1110 bool operator!= (const bool& other) const { return b != other; }
1111 bool operator< (const bool& other) const { return b < other; }
1112 bool operator== (const MSVCPedanticBool& other) const { return b == other.b; }
1113 bool operator!= (const MSVCPedanticBool& other) const { return b != other.b; }
1114 bool operator< (const MSVCPedanticBool& other) const { return b < other.b; }
1115
1116 bool operator! () const { return !b; }
1117 operator bool() const { return b; }
1118 operator int() const { return b; }
1119 operator GIntBig() const { return b; }
1120 };
1121
1122 inline bool operator== (const bool& one, const MSVCPedanticBool& other) { return one == other.b; }
1123 inline bool operator!= (const bool& one, const MSVCPedanticBool& other) { return one != other.b; }
1124
1125 /* We must include all C++ stuff before to avoid issues with templates that use bool */
1126 #include <vector>
1127 #include <map>
1128 #include <set>
1129 #include <string>
1130 #include <cstddef>
1131 #include <limits>
1132 #include <sstream>
1133 #include <fstream>
1134 #include <algorithm>
1135 #include <functional>
1136 #include <memory>
1137 #include <queue>
1138 #include <mutex>
1139 #include <unordered_map>
1140 #include <thread>
1141 #include <unordered_set>
1142 #include <complex>
1143 #include <iomanip>
1144
1145 } /* extern C++ */
1146
1147 #undef FALSE
1148 #define FALSE false
1149 #undef TRUE
1150 #define TRUE true
1151
1152 /* In the very few cases we really need a "simple" type, fallback to bool */
1153 #define EMULATED_BOOL int
1154
1155 /* Use our class instead of bool */
1156 #define bool MSVCPedanticBool
1157
1158 /* "volatile bool" with the below substitution doesn't really work. */
1159 /* Just for the sake of the debug, we don't really need volatile */
1160 #define VOLATILE_BOOL bool
1161
1162 #else /* defined(__cplusplus) && defined(DEBUG_BOOL) */
1163
1164 #ifndef FALSE
1165 # define FALSE 0
1166 #endif
1167
1168 #ifndef TRUE
1169 # define TRUE 1
1170 #endif
1171
1172 #define EMULATED_BOOL bool
1173 #define VOLATILE_BOOL volatile bool
1174
1175 #endif /* defined(__cplusplus) && defined(DEBUG_BOOL) */
1176
1177 #if __clang_major__ >= 4 || (__clang_major__ == 3 && __clang_minor__ >= 8)
1178 #define CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW __attribute__((no_sanitize("unsigned-integer-overflow")))
1179 #else
1180 #define CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW
1181 #endif
1182
1183 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS) && defined(GDAL_COMPILATION)
1184 extern "C++" {
1185 template<class C, class A, class B>
1186 CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW
1187 inline C CPLUnsanitizedAdd(A a, B b)
1188 {
1189 return a + b;
1190 }
1191 }
1192 #endif
1193
1197 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
1198 #define CPL_NULLPTR nullptr
1199 #else
1200 #define CPL_NULLPTR NULL
1201 #endif
1202
1204 /* This typedef is for C functions that take char** as argument, but */
1205 /* with the semantics of a const list. In C, char** is not implicitly cast to */
1206 /* const char* const*, contrary to C++. So when seen for C++, it is OK */
1207 /* to expose the prototyes as const char* const*, but for C we keep the */
1208 /* historical definition to avoid warnings. */
1209 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS) && !defined(DOXYGEN_SKIP)
1210
1212 typedef const char* const* CSLConstList;
1213 #else
1214
1216 typedef char** CSLConstList;
1217 #endif
1218
1219 #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:921
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:1216
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