32 #ifndef CPL_BASE_H_INCLUDED
33 #define CPL_BASE_H_INCLUDED
45 #if defined(_WIN32) && !defined(WIN32)
49 #if defined(_WINDOWS) && !defined(WIN32)
58 # ifndef _CRT_SECURE_NO_DEPRECATE
59 # define _CRT_SECURE_NO_DEPRECATE
61 # ifndef _CRT_NONSTDC_NO_DEPRECATE
62 # define _CRT_NONSTDC_NO_DEPRECATE
66 #include "cpl_config.h"
73 #if !defined(SIZEOF_INT) || SIZEOF_INT != 4
74 #error "Unexpected value for SIZEOF_INT"
77 #if !defined(SIZEOF_UNSIGNED_LONG) || (SIZEOF_UNSIGNED_LONG != 4 && SIZEOF_UNSIGNED_LONG != 8)
78 #error "Unexpected value for SIZEOF_UNSIGNED_LONG"
81 #if !defined(SIZEOF_VOIDP) || (SIZEOF_VOIDP != 4 && SIZEOF_VOIDP != 8)
82 #error "Unexpected value for SIZEOF_VOIDP"
95 #if defined(VSI_NEED_LARGEFILE64_SOURCE) && !defined(_LARGEFILE64_SOURCE)
96 # define _LARGEFILE64_SOURCE 1
105 #if defined(HAVE_ICONV)
106 # define CPL_RECODE_ICONV
109 #define CPL_RECODE_STUB
119 #if defined(__MINGW32__)
120 #ifndef __MSVCRT_VERSION__
121 #define __MSVCRT_VERSION__ 0x0700
126 #if defined(GDAL_COMPILATION) && defined(__sun__) && (__STDC_VERSION__ + 0) >= 201112L && (_XOPEN_SOURCE + 0) < 600
130 #define _XOPEN_SOURCE 600
147 #if defined(HAVE_ERRNO_H)
160 # include <strings.h>
163 #if defined(HAVE_LIBDBMALLOC) && defined(HAVE_DBMALLOC_H) && defined(DEBUG)
165 # include <dbmalloc.h>
168 #if !defined(DBMALLOC) && defined(HAVE_DMALLOC_H)
170 # include <dmalloc.h>
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.
189 # if __cplusplus >= 201402L
190 # define HAVE_CXX14 1
198 #if UINT_MAX == 65535
216 #ifndef CPL_GBOOL_DEFINED
218 #define CPL_GBOOL_DEFINED
226 #define CPL_STATIC_CAST(type, expr) static_cast<type>(expr)
227 #define CPL_REINTERPRET_CAST(type, expr) reinterpret_cast<type>(expr)
229 #define CPL_STATIC_CAST(type, expr) ((type)(expr))
230 #define CPL_REINTERPRET_CAST(type, expr) ((type)(expr))
238 #if defined(WIN32) && defined(_MSC_VER)
239 #define VSI_LARGE_API_SUPPORTED
252 #define GINTBIG_MIN (CPL_STATIC_CAST(GIntBig, 0x80000000) << 32)
254 #define GINTBIG_MAX ((CPL_STATIC_CAST(GIntBig, 0x7FFFFFFF) << 32) | 0xFFFFFFFFU)
256 #define GUINTBIG_MAX ((CPL_STATIC_CAST(GUIntBig, 0xFFFFFFFFU) << 32) | 0xFFFFFFFFU)
259 #define CPL_HAS_GINT64 1
270 #define GINT64_MIN GINTBIG_MIN
272 #define GINT64_MAX GINTBIG_MAX
274 #define GUINT64_MAX GUINTBIG_MAX
278 #error "64bit integer support required"
282 #if SIZEOF_VOIDP == 8
290 #ifdef GDAL_COMPILATION
293 typedef uintptr_t GUIntptr_t;
294 #elif SIZEOF_VOIDP == 8
297 typedef unsigned int GUIntptr_t;
300 #define CPL_IS_ALIGNED(ptr, quant) ((CPL_REINTERPRET_CAST(GUIntptr_t, CPL_STATIC_CAST(const void*, ptr)) % (quant)) == 0)
304 #if defined(__MSVCRT__) || (defined(WIN32) && defined(_MSC_VER))
305 #define CPL_FRMT_GB_WITHOUT_PREFIX "I64"
308 #define CPL_FRMT_GB_WITHOUT_PREFIX "ll"
310 #define CPL_FRMT_GB_WITHOUT_PREFIX "l"
314 #define CPL_FRMT_GIB "%" CPL_FRMT_GB_WITHOUT_PREFIX "d"
316 #define CPL_FRMT_GUIB "%" CPL_FRMT_GB_WITHOUT_PREFIX "u"
319 #define GUINTBIG_TO_DOUBLE(x) CPL_STATIC_CAST(double, x)
323 #ifdef COMPAT_WITH_ICC_CONVERSION_CHECK
324 #define CPL_INT64_FITS_ON_INT32(x) ((x) >= INT_MIN && (x) <= INT_MAX)
326 #define CPL_INT64_FITS_ON_INT32(x) (CPL_STATIC_CAST(GIntBig, CPL_STATIC_CAST(int, x)) == (x))
335 # define CPL_C_START extern "C" {
344 #if defined(_MSC_VER) && !defined(CPL_DISABLE_DLL)
345 # define CPL_DLL __declspec(dllexport)
347 # if defined(USE_GCC_VISIBILITY_FLAG)
348 # define CPL_DLL __attribute__ ((visibility("default")))
357 #ifdef CPL_OPTIONAL_APIS
358 # define CPL_ODLL CPL_DLL
365 #if defined(_MSC_VER) && !defined(CPL_DISABLE_STDCALL)
366 # define CPL_STDCALL __stdcall
374 # define FORCE_CDECL __cdecl
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
395 # define MIN(a,b) (((a)<(b)) ? (a) : (b))
397 # define MAX(a,b) (((a)>(b)) ? (a) : (b))
402 # define ABS(x) (((x)<0) ? (-1*(x)) : (x))
407 # define M_PI 3.14159265358979323846
418 # define CPLIsEqual(x,y) (fabs((x) - (y)) < 0.0000000000001)
427 #if defined(AFL_FRIENDLY) && defined(__GNUC__)
429 static inline int CPL_afl_friendly_memcmp(
const void* ptr1,
const void* ptr2,
size_t len)
430 __attribute__((always_inline));
432 static inline int CPL_afl_friendly_memcmp(
const void* ptr1,
const void* ptr2,
size_t len)
434 const unsigned char* bptr1 = (
const unsigned char*)ptr1;
435 const unsigned char* bptr2 = (
const unsigned char*)ptr2;
438 unsigned char b1 = *(bptr1++);
439 unsigned char b2 = *(bptr2++);
440 if( b1 != b2 )
return b1 - b2;
445 static inline int CPL_afl_friendly_strcmp(
const char* ptr1,
const char* ptr2)
446 __attribute__((always_inline));
448 static inline int CPL_afl_friendly_strcmp(
const char* ptr1,
const char* ptr2)
450 const unsigned char* usptr1 = (
const unsigned char*)ptr1;
451 const unsigned char* usptr2 = (
const unsigned char*)ptr2;
454 unsigned char ch1 = *(usptr1++);
455 unsigned char ch2 = *(usptr2++);
456 if( ch1 == 0 || ch1 != ch2 )
return ch1 - ch2;
460 static inline int CPL_afl_friendly_strncmp(
const char* ptr1,
const char* ptr2,
size_t len)
461 __attribute__((always_inline));
463 static inline int CPL_afl_friendly_strncmp(
const char* ptr1,
const char* ptr2,
size_t len)
465 const unsigned char* usptr1 = (
const unsigned char*)ptr1;
466 const unsigned char* usptr2 = (
const unsigned char*)ptr2;
469 unsigned char ch1 = *(usptr1++);
470 unsigned char ch2 = *(usptr2++);
471 if( ch1 == 0 || ch1 != ch2 )
return ch1 - ch2;
476 static inline int CPL_afl_friendly_strcasecmp(
const char* ptr1,
const char* ptr2)
477 __attribute__((always_inline));
479 static inline int CPL_afl_friendly_strcasecmp(
const char* ptr1,
const char* ptr2)
481 const unsigned char* usptr1 = (
const unsigned char*)ptr1;
482 const unsigned char* usptr2 = (
const unsigned char*)ptr2;
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;
493 static inline int CPL_afl_friendly_strncasecmp(
const char* ptr1,
const char* ptr2,
size_t len)
494 __attribute__((always_inline));
496 static inline int CPL_afl_friendly_strncasecmp(
const char* ptr1,
const char* ptr2,
size_t len)
498 const unsigned char* usptr1 = (
const unsigned char*)ptr1;
499 const unsigned char* usptr2 = (
const unsigned char*)ptr2;
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;
511 static inline char* CPL_afl_friendly_strstr(
const char* haystack,
const char* needle)
512 __attribute__((always_inline));
514 static inline char* CPL_afl_friendly_strstr(
const char* haystack,
const char* needle)
516 const char* ptr_haystack = haystack;
519 const char* ptr_haystack2 = ptr_haystack;
520 const char* ptr_needle = needle;
523 char ch1 = *(ptr_haystack2++);
524 char ch2 = *(ptr_needle++);
526 return (
char*)ptr_haystack;
530 if( *ptr_haystack == 0 )
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
548 # define STRCASECMP(a,b) (stricmp(a,b))
549 # define STRNCASECMP(a,b,n) (strnicmp(a,b,n))
552 # define STRCASECMP(a,b) (strcasecmp(a,b))
554 # define STRNCASECMP(a,b,n) (strncasecmp(a,b,n))
557 # define EQUALN(a,b,n) (STRNCASECMP(a,b,n)==0)
559 # define EQUAL(a,b) (STRCASECMP(a,b)==0)
566 #ifndef STARTS_WITH_CI
568 #define STARTS_WITH(a,b) (strncmp(a,b,strlen(b)) == 0)
570 #define STARTS_WITH_CI(a,b) EQUALN(a,b,strlen(b))
574 #ifndef CPL_THREADLOCAL
575 # define CPL_THREADLOCAL
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 ) )
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
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); }
613 #if defined(__cplusplus) && defined(__GNUC__) && defined(__linux) && !defined(__ANDROID__) && !defined(CPL_SUPRESS_CPLUSPLUS)
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); }
625 # define CPLIsNan(x) isnan(x)
626 # if defined(isinf) || defined(__FreeBSD__)
628 # define CPLIsInf(x) isinf(x)
630 # define CPLIsFinite(x) (!isnan(x) && !isinf(x))
631 # elif defined(__sun__)
633 # define CPLIsInf(x) (!finite(x) && !isnan(x))
634 # define CPLIsFinite(x) finite(x)
636 # define CPLIsInf(x) (0)
637 # define CPLIsFinite(x) (!isnan(x))
650 #if defined(WORDS_BIGENDIAN) && !defined(CPL_MSB) && !defined(CPL_LSB)
654 #if ! ( defined(CPL_LSB) || defined(CPL_MSB) )
659 # define CPL_IS_LSB 1
661 # define CPL_IS_LSB 0
665 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
670 template <
bool b>
struct CPLStaticAssert {};
671 template<>
struct CPLStaticAssert<true>
673 static void my_function() {}
678 #define CPL_STATIC_ASSERT(x) CPLStaticAssert<x>::my_function()
679 #define CPL_STATIC_ASSERT_IF_AVAILABLE(x) CPL_STATIC_ASSERT(x)
683 #define CPL_STATIC_ASSERT_IF_AVAILABLE(x)
693 #define CPL_SWAP16(x) CPL_STATIC_CAST(GUInt16, (CPL_STATIC_CAST(GUInt16, x) << 8) | (CPL_STATIC_CAST(GUInt16, x) >> 8) )
695 #if defined(HAVE_GCC_BSWAP) && (defined(__i386__) || defined(__x86_64__))
699 #include <x86intrin.h>
701 #define CPL_SWAP32(x) CPL_STATIC_CAST(GUInt32, __builtin_bswap32(CPL_STATIC_CAST(GUInt32, x)))
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)))
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) )
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)))))
724 #define CPL_SWAP16PTR(x) \
726 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
727 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2); \
729 byTemp = _pabyDataT[0]; \
730 _pabyDataT[0] = _pabyDataT[1]; \
731 _pabyDataT[1] = byTemp; \
734 #if defined(MAKE_SANITIZE_HAPPY) || !(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64))
737 #define CPL_SWAP32PTR(x) \
739 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
740 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4); \
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; \
751 #define CPL_SWAP64PTR(x) \
753 GByte byTemp, *_pabyDataT = CPL_REINTERPRET_CAST(GByte*, x); \
754 CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8); \
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; \
773 #define CPL_SWAP32PTR(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); \
784 #define CPL_SWAP64PTR(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); \
797 #define CPL_SWAPDOUBLE(p) CPL_SWAP64PTR(p)
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)
812 # define CPL_LSBWORD16(x) (x)
814 # define CPL_MSBWORD16(x) CPL_SWAP16(x)
816 # define CPL_LSBWORD32(x) (x)
818 # define CPL_MSBWORD32(x) CPL_SWAP32(x)
820 # define CPL_LSBPTR16(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 2)
822 # define CPL_MSBPTR16(x) CPL_SWAP16PTR(x)
824 # define CPL_LSBPTR32(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 4)
826 # define CPL_MSBPTR32(x) CPL_SWAP32PTR(x)
828 # define CPL_LSBPTR64(x) CPL_STATIC_ASSERT_IF_AVAILABLE(sizeof(*(x)) == 1 || sizeof(*(x)) == 8)
830 # define CPL_MSBPTR64(x) CPL_SWAP64PTR(x)
836 #define CPL_LSBINT16PTR(x) ((*CPL_REINTERPRET_CAST(const GByte*, x)) | (*((CPL_REINTERPRET_CAST(const GByte*, x))+1) << 8))
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))
845 #define CPL_LSBSINT16PTR(x) CPL_STATIC_CAST(GInt16,CPL_LSBINT16PTR(x))
848 #define CPL_LSBUINT16PTR(x) CPL_STATIC_CAST(GUInt16, CPL_LSBINT16PTR(x))
851 #define CPL_LSBSINT32PTR(x) CPL_STATIC_CAST(GInt32, CPL_LSBINT32PTR(x))
854 #define CPL_LSBUINT32PTR(x) CPL_STATIC_CAST(GUInt32, CPL_LSBINT32PTR(x))
858 #ifndef UNREFERENCED_PARAM
859 # ifdef UNREFERENCED_PARAMETER
860 # define UNREFERENCED_PARAM(param) UNREFERENCED_PARAMETER(param)
862 # define UNREFERENCED_PARAM(param) ((void)param)
876 #ifndef DISABLE_CVSID
877 #if defined(__GNUC__) && __GNUC__ >= 4
878 # define CPL_CVSID(string) static const char cpl_cvsid[] __attribute__((used)) = string;
880 # define CPL_CVSID(string) static const char cpl_cvsid[] = string; \
881 static const char *cvsid_aw() { return( cvsid_aw() ? NULL : cpl_cvsid ); }
884 # define CPL_CVSID(string)
889 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP) && !(defined(__MINGW64__) && __GNUC__ == 4 && __GNUC_MINOR__ == 6)
891 # define CPL_NULL_TERMINATED __attribute__((__sentinel__))
894 # define CPL_NULL_TERMINATED
897 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(DOXYGEN_SKIP)
899 #define CPL_PRINT_FUNC_FORMAT( format_idx, arg_idx ) __attribute__((__format__ (__printf__, format_idx, arg_idx)))
901 #define CPL_SCAN_FUNC_FORMAT( format_idx, arg_idx ) __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
904 #define CPL_PRINT_FUNC_FORMAT( format_idx, arg_idx )
906 #define CPL_SCAN_FUNC_FORMAT( format_idx, arg_idx )
909 #if defined(_MSC_VER) && (defined(GDAL_COMPILATION) || defined(CPL_ENABLE_MSVC_ANNOTATIONS))
913 # define CPL_FORMAT_STRING(arg) _Printf_format_string_ arg
916 # define CPL_SCANF_FORMAT_STRING(arg) _Scanf_format_string_ arg
919 # define CPL_FORMAT_STRING(arg) arg
921 # define CPL_SCANF_FORMAT_STRING(arg) arg
924 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP)
926 #define CPL_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
929 #define CPL_WARN_UNUSED_RESULT
932 #if defined(__GNUC__) && __GNUC__ >= 4
934 # define CPL_UNUSED __attribute((__unused__))
941 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(DOXYGEN_SKIP)
943 #define CPL_NO_RETURN __attribute__((noreturn))
946 #define CPL_NO_RETURN
951 #ifndef __has_attribute
952 #define __has_attribute(x) 0 // Compatibility with non-clang compilers.
957 #if ((defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))) || __has_attribute(returns_nonnull)) && !defined(DOXYGEN_SKIP) && !defined(__INTEL_COMPILER)
959 # define CPL_RETURNS_NONNULL __attribute__((returns_nonnull))
962 # define CPL_RETURNS_NONNULL
965 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(DOXYGEN_SKIP)
967 #define CPL_RESTRICT __restrict__
973 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
977 # define CPL_OVERRIDE override
980 # define CPL_FINAL final
987 # define CPL_DISALLOW_COPY_ASSIGN(ClassName) \
988 ClassName( const ClassName & ) = delete; \
989 ClassName &operator=( const ClassName & ) = delete;
993 #if !defined(DOXYGEN_SKIP)
994 #if defined(__has_extension)
995 #if __has_extension(attribute_deprecated_with_message)
997 #define CPL_WARN_DEPRECATED(x) __attribute__ ((deprecated(x)))
999 #define CPL_WARN_DEPRECATED(x)
1001 #elif defined(__GNUC__)
1002 #define CPL_WARN_DEPRECATED(x) __attribute__ ((deprecated))
1004 #define CPL_WARN_DEPRECATED(x)
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, ...)
1018 CPL_WARN_DEPRECATED("Use CPLsnprintf() instead");
1019 # elif defined(GDAL_COMPILATION) && !defined(DONT_DEPRECATE_SPRINTF)
1020 int sprintf(
char *str,
const char* fmt, ...)
1022 CPL_WARN_DEPRECATED("Use snprintf() or CPLsnprintf() instead");
1027 #if defined(MAKE_SANITIZE_HAPPY) || !(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64))
1029 #define CPL_CPU_REQUIRES_ALIGNED_ACCESS
1033 #if defined(__cplusplus)
1035 #define CPL_ARRAYSIZE(array) \
1036 ((sizeof(array) / sizeof(*(array))) / \
1037 static_cast<size_t>(!(sizeof(array) % sizeof(*(array)))))
1040 template<
class T>
static void CPL_IGNORE_RET_VAL(T) {}
1041 inline static bool CPL_TO_BOOL(
int x) {
return x != 0; }
1046 #if (((__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) || (defined(__clang__) && __clang_major__ >= 3)) && !defined(_MSC_VER))
1047 #define HAVE_GCC_DIAGNOSTIC_PUSH
1050 #if ((__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2)) && !defined(_MSC_VER))
1051 #define HAVE_GCC_SYSTEM_HEADER
1054 #if ((defined(__clang__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >=7))) || __GNUC__ >= 7)
1056 # define CPL_FALLTHROUGH [[clang::fallthrough]];
1059 # define CPL_FALLTHROUGH
1067 #if defined(__cplusplus) && defined(DEBUG_BOOL) && !defined(DO_NOT_USE_DEBUG_BOOL) && !defined(CPL_SUPRESS_CPLUSPLUS)
1069 class MSVCPedanticBool
1072 friend bool operator== (
const bool& one,
const MSVCPedanticBool& other);
1073 friend bool operator!= (
const bool& one,
const MSVCPedanticBool& other);
1076 MSVCPedanticBool(
int bIn);
1081 MSVCPedanticBool() {}
1082 MSVCPedanticBool(
bool bIn) : b(bIn) {}
1083 MSVCPedanticBool(
const MSVCPedanticBool& other) : b(other.b) {}
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; }
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; }
1096 bool operator! ()
const {
return !b; }
1097 operator bool()
const {
return b; }
1098 operator int()
const {
return b; }
1099 operator GIntBig()
const {
return b; }
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; }
1114 #include <algorithm>
1115 #include <functional>
1119 #include <unordered_map>
1121 #include <unordered_set>
1133 #define EMULATED_BOOL int
1136 #define bool MSVCPedanticBool
1140 #define VOLATILE_BOOL bool
1152 #define EMULATED_BOOL bool
1153 #define VOLATILE_BOOL volatile bool
1157 #if __clang_major__ >= 4 || (__clang_major__ == 3 && __clang_minor__ >= 8)
1158 #define CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW __attribute__((no_sanitize("unsigned-integer-overflow")))
1160 #define CPL_NOSANITIZE_UNSIGNED_INT_OVERFLOW
1165 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
1166 #define CPL_NULLPTR nullptr
1168 #define CPL_NULLPTR NULL
1177 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS) && !defined(DOXYGEN_SKIP)