/ Changes On Branch drop-win9x-support
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Changes In Branch drop-win9x-support Excluding Merge-Ins

This is equivalent to a diff from 19682e8fdc to 169fc47e16

2014-08-12
13:38
If SQLITE_TEST_REALLOC_STRESS is defined, extend the op-code array used by virtual-machine programs by one element at a time, instead of doubling its size with each realloc(). (check-in: 4c29182722 user: dan tags: trunk)
13:32
Remove support for Win9x. (Leaf check-in: 169fc47e16 user: drh tags: drop-win9x-support)
12:19
Fix typos in the VxWorks code of os_unix.c. (check-in: 19682e8fdc user: drh tags: trunk)
09:36
Add a test to ensure that the problem fixed by [a179e41e40] does not recur. (check-in: 31356f2cae user: dan tags: trunk)

Changes to src/mutex_w32.c.

89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
  SQLITE3_MUTEX_INITIALIZER,
  SQLITE3_MUTEX_INITIALIZER,
  SQLITE3_MUTEX_INITIALIZER,
  SQLITE3_MUTEX_INITIALIZER
};

static int winMutex_isInit = 0;
static int winMutex_isNt = -1; /* <0 means "need to query" */

/* As the winMutexInit() and winMutexEnd() functions are called as part
** of the sqlite3_initialize() and sqlite3_shutdown() processing, the
** "interlocked" magic used here is probably not strictly necessary.
*/
static LONG volatile winMutex_lock = 0;

int sqlite3_win32_is_nt(void); /* os_win.c */
void sqlite3_win32_sleep(DWORD milliseconds); /* os_win.c */

static int winMutexInit(void){
  /* The first to increment to 1 does actual initialization */
  if( InterlockedCompareExchange(&winMutex_lock, 1, 0)==0 ){
    int i;
    for(i=0; i<ArraySize(winMutex_staticMutexes); i++){







<







<







89
90
91
92
93
94
95

96
97
98
99
100
101
102

103
104
105
106
107
108
109
  SQLITE3_MUTEX_INITIALIZER,
  SQLITE3_MUTEX_INITIALIZER,
  SQLITE3_MUTEX_INITIALIZER,
  SQLITE3_MUTEX_INITIALIZER
};

static int winMutex_isInit = 0;


/* As the winMutexInit() and winMutexEnd() functions are called as part
** of the sqlite3_initialize() and sqlite3_shutdown() processing, the
** "interlocked" magic used here is probably not strictly necessary.
*/
static LONG volatile winMutex_lock = 0;


void sqlite3_win32_sleep(DWORD milliseconds); /* os_win.c */

static int winMutexInit(void){
  /* The first to increment to 1 does actual initialization */
  if( InterlockedCompareExchange(&winMutex_lock, 1, 0)==0 ){
    int i;
    for(i=0; i<ArraySize(winMutex_staticMutexes); i++){
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
static int winMutexTry(sqlite3_mutex *p){
#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
  DWORD tid = GetCurrentThreadId();
#endif
  int rc = SQLITE_BUSY;
  assert( p );
  assert( p->id==SQLITE_MUTEX_RECURSIVE || winMutexNotheld2(p, tid) );
  /*
  ** The sqlite3_mutex_try() routine is very rarely used, and when it
  ** is used it is merely an optimization.  So it is OK for it to always
  ** fail.
  **
  ** The TryEnterCriticalSection() interface is only available on WinNT.
  ** And some windows compilers complain if you try to use it without
  ** first doing some #defines that prevent SQLite from building on Win98.
  ** For that reason, we will omit this optimization for now.  See
  ** ticket #2685.
  */
#if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0400
  assert( winMutex_isInit==1 );
  assert( winMutex_isNt>=-1 && winMutex_isNt<=1 );
  if( winMutex_isNt<0 ){
    winMutex_isNt = sqlite3_win32_is_nt();
  }
  assert( winMutex_isNt==0 || winMutex_isNt==1 );
  if( winMutex_isNt && TryEnterCriticalSection(&p->mutex) ){
#ifdef SQLITE_DEBUG
    p->owner = tid;
    p->nRef++;
#endif
    rc = SQLITE_OK;
  }
#else
  UNUSED_PARAMETER(p);
#endif
#ifdef SQLITE_DEBUG
  if( p->trace ){
    OSTRACE(("TRY-MUTEX tid=%lu, mutex=%p (%d), owner=%lu, nRef=%d, rc=%s\n",
             tid, p, p->trace, p->owner, p->nRef, sqlite3ErrName(rc)));
  }
#endif
  return rc;







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|






<
<
<







277
278
279
280
281
282
283


















284
285
286
287
288
289
290



291
292
293
294
295
296
297
static int winMutexTry(sqlite3_mutex *p){
#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
  DWORD tid = GetCurrentThreadId();
#endif
  int rc = SQLITE_BUSY;
  assert( p );
  assert( p->id==SQLITE_MUTEX_RECURSIVE || winMutexNotheld2(p, tid) );


















  if( TryEnterCriticalSection(&p->mutex) ){
#ifdef SQLITE_DEBUG
    p->owner = tid;
    p->nRef++;
#endif
    rc = SQLITE_OK;
  }



#ifdef SQLITE_DEBUG
  if( p->trace ){
    OSTRACE(("TRY-MUTEX tid=%lu, mutex=%p (%d), owner=%lu, nRef=%d, rc=%s\n",
             tid, p, p->trace, p->owner, p->nRef, sqlite3ErrName(rc)));
  }
#endif
  return rc;

Changes to src/os_win.c.

21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
#include "os_common.h"

/*
** Include the header file for the Windows VFS.
*/
#include "os_win.h"

/*
** Compiling and using WAL mode requires several APIs that are only
** available in Windows platforms based on the NT kernel.
*/
#if !SQLITE_OS_WINNT && !defined(SQLITE_OMIT_WAL)
#  error "WAL mode requires support from the Windows NT kernel, compile\
 with SQLITE_OMIT_WAL."
#endif

/*
** Are most of the Win32 ANSI APIs available (i.e. with certain exceptions
** based on the sub-platform)?
*/
#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && !defined(SQLITE_WIN32_NO_ANSI)
#  define SQLITE_WIN32_HAS_ANSI
#endif

/*
** Are most of the Win32 Unicode APIs available (i.e. with certain exceptions
** based on the sub-platform)?
*/
#if (SQLITE_OS_WINCE || SQLITE_OS_WINNT || SQLITE_OS_WINRT) && \
    !defined(SQLITE_WIN32_NO_WIDE)
#  define SQLITE_WIN32_HAS_WIDE
#endif

/*
** Make sure at least one set of Win32 APIs is available.
*/
#if !defined(SQLITE_WIN32_HAS_ANSI) && !defined(SQLITE_WIN32_HAS_WIDE)
#  error "At least one of SQLITE_WIN32_HAS_ANSI and SQLITE_WIN32_HAS_WIDE\
 must be defined."
#endif

/*
** Define the required Windows SDK version constants if they are not
** already available.
*/
#ifndef NTDDI_WIN8
#  define NTDDI_WIN8                        0x06020000
#endif

#ifndef NTDDI_WINBLUE
#  define NTDDI_WINBLUE                     0x06030000
#endif

/*
** Check to see if the GetVersionEx[AW] functions are deprecated on the
** target system.  GetVersionEx was first deprecated in Win8.1.
*/
#ifndef SQLITE_WIN32_GETVERSIONEX
#  if defined(NTDDI_VERSION) && NTDDI_VERSION >= NTDDI_WINBLUE
#    define SQLITE_WIN32_GETVERSIONEX   0   /* GetVersionEx() is deprecated */
#  else
#    define SQLITE_WIN32_GETVERSIONEX   1   /* GetVersionEx() is current */
#  endif
#endif

/*
** This constant should already be defined (in the "WinDef.h" SDK file).
*/
#ifndef MAX_PATH
#  define MAX_PATH                      (260)
#endif








<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<












<
<
<
<
<
<
<
<
<
<
<
<







21
22
23
24
25
26
27


































28
29
30
31
32
33
34
35
36
37
38
39












40
41
42
43
44
45
46
#include "os_common.h"

/*
** Include the header file for the Windows VFS.
*/
#include "os_win.h"



































/*
** Define the required Windows SDK version constants if they are not
** already available.
*/
#ifndef NTDDI_WIN8
#  define NTDDI_WIN8                        0x06020000
#endif

#ifndef NTDDI_WINBLUE
#  define NTDDI_WINBLUE                     0x06030000
#endif













/*
** This constant should already be defined (in the "WinDef.h" SDK file).
*/
#ifndef MAX_PATH
#  define MAX_PATH                      (260)
#endif

170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/*
** Two of the file mapping APIs are different under WinRT.  Figure out which
** set we need.
*/
#if SQLITE_OS_WINRT
WINBASEAPI HANDLE WINAPI CreateFileMappingFromApp(HANDLE, \
        LPSECURITY_ATTRIBUTES, ULONG, ULONG64, LPCWSTR);

WINBASEAPI LPVOID WINAPI MapViewOfFileFromApp(HANDLE, ULONG, ULONG64, SIZE_T);
#else
#if defined(SQLITE_WIN32_HAS_ANSI)
WINBASEAPI HANDLE WINAPI CreateFileMappingA(HANDLE, LPSECURITY_ATTRIBUTES, \
        DWORD, DWORD, DWORD, LPCSTR);
#endif /* defined(SQLITE_WIN32_HAS_ANSI) */

#if defined(SQLITE_WIN32_HAS_WIDE)
WINBASEAPI HANDLE WINAPI CreateFileMappingW(HANDLE, LPSECURITY_ATTRIBUTES, \
        DWORD, DWORD, DWORD, LPCWSTR);
#endif /* defined(SQLITE_WIN32_HAS_WIDE) */

WINBASEAPI LPVOID WINAPI MapViewOfFile(HANDLE, DWORD, DWORD, DWORD, SIZE_T);
#endif /* SQLITE_OS_WINRT */

/*
** This file mapping API is common to both Win32 and WinRT.
*/
WINBASEAPI BOOL WINAPI UnmapViewOfFile(LPCVOID);







<


<
<
<
<
<
<


<
<







124
125
126
127
128
129
130

131
132






133
134


135
136
137
138
139
140
141
/*
** Two of the file mapping APIs are different under WinRT.  Figure out which
** set we need.
*/
#if SQLITE_OS_WINRT
WINBASEAPI HANDLE WINAPI CreateFileMappingFromApp(HANDLE, \
        LPSECURITY_ATTRIBUTES, ULONG, ULONG64, LPCWSTR);

WINBASEAPI LPVOID WINAPI MapViewOfFileFromApp(HANDLE, ULONG, ULONG64, SIZE_T);
#else






WINBASEAPI HANDLE WINAPI CreateFileMappingW(HANDLE, LPSECURITY_ATTRIBUTES, \
        DWORD, DWORD, DWORD, LPCWSTR);


WINBASEAPI LPVOID WINAPI MapViewOfFile(HANDLE, DWORD, DWORD, DWORD, SIZE_T);
#endif /* SQLITE_OS_WINRT */

/*
** This file mapping API is common to both Win32 and WinRT.
*/
WINBASEAPI BOOL WINAPI UnmapViewOfFile(LPCVOID);
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442

443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
static LONG volatile sqlite3_os_type = 0;
#endif

#ifndef SYSCALL
#  define SYSCALL sqlite3_syscall_ptr
#endif

/*
** This function is not available on Windows CE or WinRT.
 */

#if SQLITE_OS_WINCE || SQLITE_OS_WINRT
#  define osAreFileApisANSI()       1
#endif

/*
** Many system calls are accessed through pointer-to-functions so that
** they may be overridden at runtime to facilitate fault injection during
** testing and sandboxing.  The following array holds the names and pointers
** to all overrideable system calls.
*/
static struct win_syscall {
  const char *zName;            /* Name of the system call */
  sqlite3_syscall_ptr pCurrent; /* Current value of the system call */
  sqlite3_syscall_ptr pDefault; /* Default value */
} aSyscall[] = {
#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "AreFileApisANSI",         (SYSCALL)AreFileApisANSI,         0 },

#else
  { "AreFileApisANSI",         (SYSCALL)0,                       0 },
#endif

#ifndef osAreFileApisANSI
#define osAreFileApisANSI ((BOOL(WINAPI*)(VOID))aSyscall[0].pCurrent)
#endif

#if SQLITE_OS_WINCE && defined(SQLITE_WIN32_HAS_WIDE)
  { "CharLowerW",              (SYSCALL)CharLowerW,              0 },
#else
  { "CharLowerW",              (SYSCALL)0,                       0 },
#endif

#define osCharLowerW ((LPWSTR(WINAPI*)(LPWSTR))aSyscall[1].pCurrent)

#if SQLITE_OS_WINCE && defined(SQLITE_WIN32_HAS_WIDE)
  { "CharUpperW",              (SYSCALL)CharUpperW,              0 },
#else
  { "CharUpperW",              (SYSCALL)0,                       0 },
#endif

#define osCharUpperW ((LPWSTR(WINAPI*)(LPWSTR))aSyscall[2].pCurrent)

  { "CloseHandle",             (SYSCALL)CloseHandle,             0 },

#define osCloseHandle ((BOOL(WINAPI*)(HANDLE))aSyscall[3].pCurrent)

#if defined(SQLITE_WIN32_HAS_ANSI)
  { "CreateFileA",             (SYSCALL)CreateFileA,             0 },
#else
  { "CreateFileA",             (SYSCALL)0,                       0 },
#endif

#define osCreateFileA ((HANDLE(WINAPI*)(LPCSTR,DWORD,DWORD, \
        LPSECURITY_ATTRIBUTES,DWORD,DWORD,HANDLE))aSyscall[4].pCurrent)

#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE)
  { "CreateFileW",             (SYSCALL)CreateFileW,             0 },
#else
  { "CreateFileW",             (SYSCALL)0,                       0 },
#endif

#define osCreateFileW ((HANDLE(WINAPI*)(LPCWSTR,DWORD,DWORD, \
        LPSECURITY_ATTRIBUTES,DWORD,DWORD,HANDLE))aSyscall[5].pCurrent)

#if (!SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_ANSI) && \
        !defined(SQLITE_OMIT_WAL))
  { "CreateFileMappingA",      (SYSCALL)CreateFileMappingA,      0 },
#else
  { "CreateFileMappingA",      (SYSCALL)0,                       0 },
#endif

#define osCreateFileMappingA ((HANDLE(WINAPI*)(HANDLE,LPSECURITY_ATTRIBUTES, \
        DWORD,DWORD,DWORD,LPCSTR))aSyscall[6].pCurrent)

#if SQLITE_OS_WINCE || (!SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE) && \
        !defined(SQLITE_OMIT_WAL))
  { "CreateFileMappingW",      (SYSCALL)CreateFileMappingW,      0 },
#else
  { "CreateFileMappingW",      (SYSCALL)0,                       0 },
#endif

#define osCreateFileMappingW ((HANDLE(WINAPI*)(HANDLE,LPSECURITY_ATTRIBUTES, \
        DWORD,DWORD,DWORD,LPCWSTR))aSyscall[7].pCurrent)

#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE)
  { "CreateMutexW",            (SYSCALL)CreateMutexW,            0 },
#else
  { "CreateMutexW",            (SYSCALL)0,                       0 },
#endif

#define osCreateMutexW ((HANDLE(WINAPI*)(LPSECURITY_ATTRIBUTES,BOOL, \
        LPCWSTR))aSyscall[8].pCurrent)

#if defined(SQLITE_WIN32_HAS_ANSI)
  { "DeleteFileA",             (SYSCALL)DeleteFileA,             0 },
#else
  { "DeleteFileA",             (SYSCALL)0,                       0 },
#endif

#define osDeleteFileA ((BOOL(WINAPI*)(LPCSTR))aSyscall[9].pCurrent)

#if defined(SQLITE_WIN32_HAS_WIDE)
  { "DeleteFileW",             (SYSCALL)DeleteFileW,             0 },
#else
  { "DeleteFileW",             (SYSCALL)0,                       0 },
#endif

#define osDeleteFileW ((BOOL(WINAPI*)(LPCWSTR))aSyscall[10].pCurrent)

#if SQLITE_OS_WINCE
  { "FileTimeToLocalFileTime", (SYSCALL)FileTimeToLocalFileTime, 0 },
#else
  { "FileTimeToLocalFileTime", (SYSCALL)0,                       0 },
#endif

#define osFileTimeToLocalFileTime ((BOOL(WINAPI*)(CONST FILETIME*, \
        LPFILETIME))aSyscall[11].pCurrent)

#if SQLITE_OS_WINCE
  { "FileTimeToSystemTime",    (SYSCALL)FileTimeToSystemTime,    0 },
#else
  { "FileTimeToSystemTime",    (SYSCALL)0,                       0 },
#endif

#define osFileTimeToSystemTime ((BOOL(WINAPI*)(CONST FILETIME*, \
        LPSYSTEMTIME))aSyscall[12].pCurrent)

  { "FlushFileBuffers",        (SYSCALL)FlushFileBuffers,        0 },

#define osFlushFileBuffers ((BOOL(WINAPI*)(HANDLE))aSyscall[13].pCurrent)

#if defined(SQLITE_WIN32_HAS_ANSI)
  { "FormatMessageA",          (SYSCALL)FormatMessageA,          0 },
#else
  { "FormatMessageA",          (SYSCALL)0,                       0 },
#endif

#define osFormatMessageA ((DWORD(WINAPI*)(DWORD,LPCVOID,DWORD,DWORD,LPSTR, \
        DWORD,va_list*))aSyscall[14].pCurrent)

#if defined(SQLITE_WIN32_HAS_WIDE)
  { "FormatMessageW",          (SYSCALL)FormatMessageW,          0 },
#else
  { "FormatMessageW",          (SYSCALL)0,                       0 },
#endif

#define osFormatMessageW ((DWORD(WINAPI*)(DWORD,LPCVOID,DWORD,DWORD,LPWSTR, \
        DWORD,va_list*))aSyscall[15].pCurrent)

#if !defined(SQLITE_OMIT_LOAD_EXTENSION)
  { "FreeLibrary",             (SYSCALL)FreeLibrary,             0 },
#else
  { "FreeLibrary",             (SYSCALL)0,                       0 },
#endif

#define osFreeLibrary ((BOOL(WINAPI*)(HMODULE))aSyscall[16].pCurrent)

  { "GetCurrentProcessId",     (SYSCALL)GetCurrentProcessId,     0 },

#define osGetCurrentProcessId ((DWORD(WINAPI*)(VOID))aSyscall[17].pCurrent)

#if !SQLITE_OS_WINCE && defined(SQLITE_WIN32_HAS_ANSI)
  { "GetDiskFreeSpaceA",       (SYSCALL)GetDiskFreeSpaceA,       0 },
#else
  { "GetDiskFreeSpaceA",       (SYSCALL)0,                       0 },
#endif

#define osGetDiskFreeSpaceA ((BOOL(WINAPI*)(LPCSTR,LPDWORD,LPDWORD,LPDWORD, \
        LPDWORD))aSyscall[18].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE)
  { "GetDiskFreeSpaceW",       (SYSCALL)GetDiskFreeSpaceW,       0 },
#else
  { "GetDiskFreeSpaceW",       (SYSCALL)0,                       0 },
#endif

#define osGetDiskFreeSpaceW ((BOOL(WINAPI*)(LPCWSTR,LPDWORD,LPDWORD,LPDWORD, \
        LPDWORD))aSyscall[19].pCurrent)

#if defined(SQLITE_WIN32_HAS_ANSI)
  { "GetFileAttributesA",      (SYSCALL)GetFileAttributesA,      0 },
#else
  { "GetFileAttributesA",      (SYSCALL)0,                       0 },
#endif

#define osGetFileAttributesA ((DWORD(WINAPI*)(LPCSTR))aSyscall[20].pCurrent)

#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE)
  { "GetFileAttributesW",      (SYSCALL)GetFileAttributesW,      0 },
#else
  { "GetFileAttributesW",      (SYSCALL)0,                       0 },
#endif

#define osGetFileAttributesW ((DWORD(WINAPI*)(LPCWSTR))aSyscall[21].pCurrent)

#if defined(SQLITE_WIN32_HAS_WIDE)
  { "GetFileAttributesExW",    (SYSCALL)GetFileAttributesExW,    0 },
#else
  { "GetFileAttributesExW",    (SYSCALL)0,                       0 },
#endif

#define osGetFileAttributesExW ((BOOL(WINAPI*)(LPCWSTR,GET_FILEEX_INFO_LEVELS, \
        LPVOID))aSyscall[22].pCurrent)

#if !SQLITE_OS_WINRT
  { "GetFileSize",             (SYSCALL)GetFileSize,             0 },
#else
  { "GetFileSize",             (SYSCALL)0,                       0 },
#endif

#define osGetFileSize ((DWORD(WINAPI*)(HANDLE,LPDWORD))aSyscall[23].pCurrent)

#if !SQLITE_OS_WINCE && defined(SQLITE_WIN32_HAS_ANSI)
  { "GetFullPathNameA",        (SYSCALL)GetFullPathNameA,        0 },
#else
  { "GetFullPathNameA",        (SYSCALL)0,                       0 },
#endif

#define osGetFullPathNameA ((DWORD(WINAPI*)(LPCSTR,DWORD,LPSTR, \
        LPSTR*))aSyscall[24].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE)
  { "GetFullPathNameW",        (SYSCALL)GetFullPathNameW,        0 },
#else
  { "GetFullPathNameW",        (SYSCALL)0,                       0 },
#endif

#define osGetFullPathNameW ((DWORD(WINAPI*)(LPCWSTR,DWORD,LPWSTR, \
        LPWSTR*))aSyscall[25].pCurrent)

  { "GetLastError",            (SYSCALL)GetLastError,            0 },

#define osGetLastError ((DWORD(WINAPI*)(VOID))aSyscall[26].pCurrent)

#if !defined(SQLITE_OMIT_LOAD_EXTENSION)
#if SQLITE_OS_WINCE
  /* The GetProcAddressA() routine is only available on Windows CE. */
  { "GetProcAddressA",         (SYSCALL)GetProcAddressA,         0 },
#else
  /* All other Windows platforms expect GetProcAddress() to take
  ** an ANSI string regardless of the _UNICODE setting */
  { "GetProcAddressA",         (SYSCALL)GetProcAddress,          0 },
#endif
#else
  { "GetProcAddressA",         (SYSCALL)0,                       0 },
#endif

#define osGetProcAddressA ((FARPROC(WINAPI*)(HMODULE, \
        LPCSTR))aSyscall[27].pCurrent)

#if !SQLITE_OS_WINRT
  { "GetSystemInfo",           (SYSCALL)GetSystemInfo,           0 },
#else
  { "GetSystemInfo",           (SYSCALL)0,                       0 },
#endif

#define osGetSystemInfo ((VOID(WINAPI*)(LPSYSTEM_INFO))aSyscall[28].pCurrent)

  { "GetSystemTime",           (SYSCALL)GetSystemTime,           0 },

#define osGetSystemTime ((VOID(WINAPI*)(LPSYSTEMTIME))aSyscall[29].pCurrent)

#if !SQLITE_OS_WINCE
  { "GetSystemTimeAsFileTime", (SYSCALL)GetSystemTimeAsFileTime, 0 },
#else
  { "GetSystemTimeAsFileTime", (SYSCALL)0,                       0 },
#endif

#define osGetSystemTimeAsFileTime ((VOID(WINAPI*)( \
        LPFILETIME))aSyscall[30].pCurrent)

#if defined(SQLITE_WIN32_HAS_ANSI)
  { "GetTempPathA",            (SYSCALL)GetTempPathA,            0 },
#else
  { "GetTempPathA",            (SYSCALL)0,                       0 },
#endif

#define osGetTempPathA ((DWORD(WINAPI*)(DWORD,LPSTR))aSyscall[31].pCurrent)

#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE)
  { "GetTempPathW",            (SYSCALL)GetTempPathW,            0 },
#else
  { "GetTempPathW",            (SYSCALL)0,                       0 },
#endif

#define osGetTempPathW ((DWORD(WINAPI*)(DWORD,LPWSTR))aSyscall[32].pCurrent)

#if !SQLITE_OS_WINRT
  { "GetTickCount",            (SYSCALL)GetTickCount,            0 },
#else
  { "GetTickCount",            (SYSCALL)0,                       0 },
#endif

#define osGetTickCount ((DWORD(WINAPI*)(VOID))aSyscall[33].pCurrent)

#if defined(SQLITE_WIN32_HAS_ANSI) && defined(SQLITE_WIN32_GETVERSIONEX) && \
        SQLITE_WIN32_GETVERSIONEX
  { "GetVersionExA",           (SYSCALL)GetVersionExA,           0 },
#else
  { "GetVersionExA",           (SYSCALL)0,                       0 },
#endif

#define osGetVersionExA ((BOOL(WINAPI*)( \
        LPOSVERSIONINFOA))aSyscall[34].pCurrent)

#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE) && \
        defined(SQLITE_WIN32_GETVERSIONEX) && SQLITE_WIN32_GETVERSIONEX
  { "GetVersionExW",           (SYSCALL)GetVersionExW,           0 },
#else
  { "GetVersionExW",           (SYSCALL)0,                       0 },
#endif

#define osGetVersionExW ((BOOL(WINAPI*)( \
        LPOSVERSIONINFOW))aSyscall[35].pCurrent)

  { "HeapAlloc",               (SYSCALL)HeapAlloc,               0 },

#define osHeapAlloc ((LPVOID(WINAPI*)(HANDLE,DWORD, \
        SIZE_T))aSyscall[36].pCurrent)

#if !SQLITE_OS_WINRT
  { "HeapCreate",              (SYSCALL)HeapCreate,              0 },
#else
  { "HeapCreate",              (SYSCALL)0,                       0 },
#endif

#define osHeapCreate ((HANDLE(WINAPI*)(DWORD,SIZE_T, \
        SIZE_T))aSyscall[37].pCurrent)

#if !SQLITE_OS_WINRT
  { "HeapDestroy",             (SYSCALL)HeapDestroy,             0 },
#else
  { "HeapDestroy",             (SYSCALL)0,                       0 },
#endif

#define osHeapDestroy ((BOOL(WINAPI*)(HANDLE))aSyscall[38].pCurrent)

  { "HeapFree",                (SYSCALL)HeapFree,                0 },

#define osHeapFree ((BOOL(WINAPI*)(HANDLE,DWORD,LPVOID))aSyscall[39].pCurrent)

  { "HeapReAlloc",             (SYSCALL)HeapReAlloc,             0 },

#define osHeapReAlloc ((LPVOID(WINAPI*)(HANDLE,DWORD,LPVOID, \
        SIZE_T))aSyscall[40].pCurrent)

  { "HeapSize",                (SYSCALL)HeapSize,                0 },

#define osHeapSize ((SIZE_T(WINAPI*)(HANDLE,DWORD, \
        LPCVOID))aSyscall[41].pCurrent)

#if !SQLITE_OS_WINRT
  { "HeapValidate",            (SYSCALL)HeapValidate,            0 },
#else
  { "HeapValidate",            (SYSCALL)0,                       0 },
#endif

#define osHeapValidate ((BOOL(WINAPI*)(HANDLE,DWORD, \
        LPCVOID))aSyscall[42].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "HeapCompact",             (SYSCALL)HeapCompact,             0 },
#else
  { "HeapCompact",             (SYSCALL)0,                       0 },
#endif

#define osHeapCompact ((UINT(WINAPI*)(HANDLE,DWORD))aSyscall[43].pCurrent)

#if defined(SQLITE_WIN32_HAS_ANSI) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  { "LoadLibraryA",            (SYSCALL)LoadLibraryA,            0 },
#else
  { "LoadLibraryA",            (SYSCALL)0,                       0 },
#endif

#define osLoadLibraryA ((HMODULE(WINAPI*)(LPCSTR))aSyscall[44].pCurrent)

#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE) && \
        !defined(SQLITE_OMIT_LOAD_EXTENSION)
  { "LoadLibraryW",            (SYSCALL)LoadLibraryW,            0 },
#else
  { "LoadLibraryW",            (SYSCALL)0,                       0 },
#endif

#define osLoadLibraryW ((HMODULE(WINAPI*)(LPCWSTR))aSyscall[45].pCurrent)

#if !SQLITE_OS_WINRT
  { "LocalFree",               (SYSCALL)LocalFree,               0 },
#else
  { "LocalFree",               (SYSCALL)0,                       0 },
#endif

#define osLocalFree ((HLOCAL(WINAPI*)(HLOCAL))aSyscall[46].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "LockFile",                (SYSCALL)LockFile,                0 },
#else
  { "LockFile",                (SYSCALL)0,                       0 },
#endif

#ifndef osLockFile
#define osLockFile ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
        DWORD))aSyscall[47].pCurrent)
#endif

#if !SQLITE_OS_WINCE
  { "LockFileEx",              (SYSCALL)LockFileEx,              0 },
#else
  { "LockFileEx",              (SYSCALL)0,                       0 },
#endif

#ifndef osLockFileEx
#define osLockFileEx ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD,DWORD, \
        LPOVERLAPPED))aSyscall[48].pCurrent)
#endif

#if SQLITE_OS_WINCE || (!SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL))
  { "MapViewOfFile",           (SYSCALL)MapViewOfFile,           0 },
#else
  { "MapViewOfFile",           (SYSCALL)0,                       0 },
#endif

#define osMapViewOfFile ((LPVOID(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
        SIZE_T))aSyscall[49].pCurrent)

  { "MultiByteToWideChar",     (SYSCALL)MultiByteToWideChar,     0 },

#define osMultiByteToWideChar ((int(WINAPI*)(UINT,DWORD,LPCSTR,int,LPWSTR, \
        int))aSyscall[50].pCurrent)

  { "QueryPerformanceCounter", (SYSCALL)QueryPerformanceCounter, 0 },

#define osQueryPerformanceCounter ((BOOL(WINAPI*)( \
        LARGE_INTEGER*))aSyscall[51].pCurrent)

  { "ReadFile",                (SYSCALL)ReadFile,                0 },

#define osReadFile ((BOOL(WINAPI*)(HANDLE,LPVOID,DWORD,LPDWORD, \
        LPOVERLAPPED))aSyscall[52].pCurrent)

  { "SetEndOfFile",            (SYSCALL)SetEndOfFile,            0 },

#define osSetEndOfFile ((BOOL(WINAPI*)(HANDLE))aSyscall[53].pCurrent)

#if !SQLITE_OS_WINRT
  { "SetFilePointer",          (SYSCALL)SetFilePointer,          0 },
#else
  { "SetFilePointer",          (SYSCALL)0,                       0 },
#endif

#define osSetFilePointer ((DWORD(WINAPI*)(HANDLE,LONG,PLONG, \
        DWORD))aSyscall[54].pCurrent)

#if !SQLITE_OS_WINRT
  { "Sleep",                   (SYSCALL)Sleep,                   0 },
#else
  { "Sleep",                   (SYSCALL)0,                       0 },
#endif

#define osSleep ((VOID(WINAPI*)(DWORD))aSyscall[55].pCurrent)

  { "SystemTimeToFileTime",    (SYSCALL)SystemTimeToFileTime,    0 },

#define osSystemTimeToFileTime ((BOOL(WINAPI*)(CONST SYSTEMTIME*, \
        LPFILETIME))aSyscall[56].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "UnlockFile",              (SYSCALL)UnlockFile,              0 },
#else
  { "UnlockFile",              (SYSCALL)0,                       0 },
#endif

#ifndef osUnlockFile
#define osUnlockFile ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
        DWORD))aSyscall[57].pCurrent)
#endif

#if !SQLITE_OS_WINCE
  { "UnlockFileEx",            (SYSCALL)UnlockFileEx,            0 },
#else
  { "UnlockFileEx",            (SYSCALL)0,                       0 },
#endif

#define osUnlockFileEx ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
        LPOVERLAPPED))aSyscall[58].pCurrent)

#if SQLITE_OS_WINCE || !defined(SQLITE_OMIT_WAL)
  { "UnmapViewOfFile",         (SYSCALL)UnmapViewOfFile,         0 },
#else
  { "UnmapViewOfFile",         (SYSCALL)0,                       0 },
#endif

#define osUnmapViewOfFile ((BOOL(WINAPI*)(LPCVOID))aSyscall[59].pCurrent)

  { "WideCharToMultiByte",     (SYSCALL)WideCharToMultiByte,     0 },

#define osWideCharToMultiByte ((int(WINAPI*)(UINT,DWORD,LPCWSTR,int,LPSTR,int, \
        LPCSTR,LPBOOL))aSyscall[60].pCurrent)

  { "WriteFile",               (SYSCALL)WriteFile,               0 },

#define osWriteFile ((BOOL(WINAPI*)(HANDLE,LPCVOID,DWORD,LPDWORD, \
        LPOVERLAPPED))aSyscall[61].pCurrent)

#if SQLITE_OS_WINRT
  { "CreateEventExW",          (SYSCALL)CreateEventExW,          0 },
#else
  { "CreateEventExW",          (SYSCALL)0,                       0 },
#endif

#define osCreateEventExW ((HANDLE(WINAPI*)(LPSECURITY_ATTRIBUTES,LPCWSTR, \
        DWORD,DWORD))aSyscall[62].pCurrent)

#if !SQLITE_OS_WINRT
  { "WaitForSingleObject",     (SYSCALL)WaitForSingleObject,     0 },
#else
  { "WaitForSingleObject",     (SYSCALL)0,                       0 },
#endif

#define osWaitForSingleObject ((DWORD(WINAPI*)(HANDLE, \
        DWORD))aSyscall[63].pCurrent)

#if SQLITE_OS_WINRT
  { "WaitForSingleObjectEx",   (SYSCALL)WaitForSingleObjectEx,   0 },
#else
  { "WaitForSingleObjectEx",   (SYSCALL)0,                       0 },
#endif

#define osWaitForSingleObjectEx ((DWORD(WINAPI*)(HANDLE,DWORD, \
        BOOL))aSyscall[64].pCurrent)

#if SQLITE_OS_WINRT
  { "SetFilePointerEx",        (SYSCALL)SetFilePointerEx,        0 },
#else
  { "SetFilePointerEx",        (SYSCALL)0,                       0 },
#endif

#define osSetFilePointerEx ((BOOL(WINAPI*)(HANDLE,LARGE_INTEGER, \
        PLARGE_INTEGER,DWORD))aSyscall[65].pCurrent)

#if SQLITE_OS_WINRT
  { "GetFileInformationByHandleEx", (SYSCALL)GetFileInformationByHandleEx, 0 },
#else
  { "GetFileInformationByHandleEx", (SYSCALL)0,                  0 },
#endif

#define osGetFileInformationByHandleEx ((BOOL(WINAPI*)(HANDLE, \
        FILE_INFO_BY_HANDLE_CLASS,LPVOID,DWORD))aSyscall[66].pCurrent)

#if SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL)
  { "MapViewOfFileFromApp",    (SYSCALL)MapViewOfFileFromApp,    0 },
#else
  { "MapViewOfFileFromApp",    (SYSCALL)0,                       0 },
#endif

#define osMapViewOfFileFromApp ((LPVOID(WINAPI*)(HANDLE,ULONG,ULONG64, \
        SIZE_T))aSyscall[67].pCurrent)

#if SQLITE_OS_WINRT
  { "CreateFile2",             (SYSCALL)CreateFile2,             0 },
#else
  { "CreateFile2",             (SYSCALL)0,                       0 },
#endif

#define osCreateFile2 ((HANDLE(WINAPI*)(LPCWSTR,DWORD,DWORD,DWORD, \
        LPCREATEFILE2_EXTENDED_PARAMETERS))aSyscall[68].pCurrent)

#if SQLITE_OS_WINRT && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  { "LoadPackagedLibrary",     (SYSCALL)LoadPackagedLibrary,     0 },
#else
  { "LoadPackagedLibrary",     (SYSCALL)0,                       0 },
#endif

#define osLoadPackagedLibrary ((HMODULE(WINAPI*)(LPCWSTR, \
        DWORD))aSyscall[69].pCurrent)

#if SQLITE_OS_WINRT
  { "GetTickCount64",          (SYSCALL)GetTickCount64,          0 },
#else
  { "GetTickCount64",          (SYSCALL)0,                       0 },
#endif

#define osGetTickCount64 ((ULONGLONG(WINAPI*)(VOID))aSyscall[70].pCurrent)

#if SQLITE_OS_WINRT
  { "GetNativeSystemInfo",     (SYSCALL)GetNativeSystemInfo,     0 },
#else
  { "GetNativeSystemInfo",     (SYSCALL)0,                       0 },
#endif

#define osGetNativeSystemInfo ((VOID(WINAPI*)( \
        LPSYSTEM_INFO))aSyscall[71].pCurrent)

#if defined(SQLITE_WIN32_HAS_ANSI)
  { "OutputDebugStringA",      (SYSCALL)OutputDebugStringA,      0 },
#else
  { "OutputDebugStringA",      (SYSCALL)0,                       0 },
#endif

#define osOutputDebugStringA ((VOID(WINAPI*)(LPCSTR))aSyscall[72].pCurrent)

#if defined(SQLITE_WIN32_HAS_WIDE)
  { "OutputDebugStringW",      (SYSCALL)OutputDebugStringW,      0 },
#else
  { "OutputDebugStringW",      (SYSCALL)0,                       0 },
#endif

#define osOutputDebugStringW ((VOID(WINAPI*)(LPCWSTR))aSyscall[73].pCurrent)

  { "GetProcessHeap",          (SYSCALL)GetProcessHeap,          0 },

#define osGetProcessHeap ((HANDLE(WINAPI*)(VOID))aSyscall[74].pCurrent)

#if SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL)
  { "CreateFileMappingFromApp", (SYSCALL)CreateFileMappingFromApp, 0 },
#else
  { "CreateFileMappingFromApp", (SYSCALL)0,                      0 },
#endif

#define osCreateFileMappingFromApp ((HANDLE(WINAPI*)(HANDLE, \
        LPSECURITY_ATTRIBUTES,ULONG,ULONG64,LPCWSTR))aSyscall[75].pCurrent)

/*
** NOTE: On some sub-platforms, the InterlockedCompareExchange "function"
**       is really just a macro that uses a compiler intrinsic (e.g. x64).
**       So do not try to make this is into a redefinable interface.
*/
#if defined(InterlockedCompareExchange)
  { "InterlockedCompareExchange", (SYSCALL)0,                    0 },

#define osInterlockedCompareExchange InterlockedCompareExchange
#else
  { "InterlockedCompareExchange", (SYSCALL)InterlockedCompareExchange, 0 },

#define osInterlockedCompareExchange ((LONG(WINAPI*)(LONG volatile*, \
        LONG,LONG))aSyscall[76].pCurrent)
#endif /* defined(InterlockedCompareExchange) */

}; /* End of the overrideable system calls */

/*
** This is the xSetSystemCall() method of sqlite3_vfs for all of the
** "win32" VFSes.  Return SQLITE_OK opon successfully updating the







<
<
<
<
<
<
<
<













>


<
<
<
|


|




<


|




<



<


<
<
<
<
<
<
<
<
<
|




<

|

<
<
<
<
<
<
<
<
<
<
|
<




<

|

|




<

|

<
<
<
<
<
<
<
<
<

<
<
<
<
|






<

|






<

|


<
|

<
<
<
<
<
<
<
<
<
<

<
<
<
<

|






<
|


<
|

<
<
<
<
<
<
<
<
<
|




<

|

<
<
<
<
<
<
<
<
|




<
|

<

<
<
<
<

|






<
|

<
<
<
<
<
<
<
<
<
|




<

|


<
|













<

|






<
|


<
|






<

|

<
<
<
<
<
<
<
<
|




<
|






<
|

<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<

<

|






<

|






<
|


<
|


<

|


<

|






<

|






<
|

<
<
<
<
<
<
<
<
<
|




<
|






<
|






<


|







<


|







<

|


<

|


<

|


<

|


<
|






<

|






<
|


<

|






<


|







<

|






<
|


<

|


<

|






<

|






<

|






<

|






<

|






<

|






<

|






<

|






<

|






<
|






<

|

<
<
<
<
<
<
<
<
<

<
<
<
<
|


<
|






<

|








<



<

|







360
361
362
363
364
365
366








367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382



383
384
385
386
387
388
389
390

391
392
393
394
395
396
397

398
399
400

401
402









403
404
405
406
407

408
409
410










411

412
413
414
415

416
417
418
419
420
421
422
423

424
425
426









427




428
429
430
431
432
433
434

435
436
437
438
439
440
441
442

443
444
445
446

447
448










449




450
451
452
453
454
455
456
457

458
459
460

461
462









463
464
465
466
467

468
469
470








471
472
473
474
475

476
477

478




479
480
481
482
483
484
485
486

487
488









489
490
491
492
493

494
495
496
497

498
499
500
501
502
503
504
505
506
507
508
509
510
511

512
513
514
515
516
517
518
519

520
521
522

523
524
525
526
527
528
529

530
531
532








533
534
535
536
537

538
539
540
541
542
543
544

545
546




















547

548
549
550
551
552
553
554
555

556
557
558
559
560
561
562
563

564
565
566

567
568
569

570
571
572
573

574
575
576
577
578
579
580
581

582
583
584
585
586
587
588
589

590
591









592
593
594
595
596

597
598
599
600
601
602
603

604
605
606
607
608
609
610

611
612
613
614
615
616
617
618
619
620

621
622
623
624
625
626
627
628
629
630

631
632
633
634

635
636
637
638

639
640
641
642

643
644
645
646

647
648
649
650
651
652
653

654
655
656
657
658
659
660
661

662
663
664

665
666
667
668
669
670
671
672

673
674
675
676
677
678
679
680
681
682

683
684
685
686
687
688
689
690

691
692
693

694
695
696
697

698
699
700
701
702
703
704
705

706
707
708
709
710
711
712
713

714
715
716
717
718
719
720
721

722
723
724
725
726
727
728
729

730
731
732
733
734
735
736
737

738
739
740
741
742
743
744
745

746
747
748
749
750
751
752
753

754
755
756
757
758
759
760
761

762
763
764
765
766
767
768
769

770
771
772
773
774
775
776

777
778
779









780




781
782
783

784
785
786
787
788
789
790

791
792
793
794
795
796
797
798
799
800

801
802
803

804
805
806
807
808
809
810
811
812
static LONG volatile sqlite3_os_type = 0;
#endif

#ifndef SYSCALL
#  define SYSCALL sqlite3_syscall_ptr
#endif









/*
** Many system calls are accessed through pointer-to-functions so that
** they may be overridden at runtime to facilitate fault injection during
** testing and sandboxing.  The following array holds the names and pointers
** to all overrideable system calls.
*/
static struct win_syscall {
  const char *zName;            /* Name of the system call */
  sqlite3_syscall_ptr pCurrent; /* Current value of the system call */
  sqlite3_syscall_ptr pDefault; /* Default value */
} aSyscall[] = {
#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "AreFileApisANSI",         (SYSCALL)AreFileApisANSI,         0 },
#define osAreFileApisANSI ((BOOL(WINAPI*)(VOID))aSyscall[0].pCurrent)
#else
  { "AreFileApisANSI",         (SYSCALL)0,                       0 },



#define osAreFileApisANSI()       1
#endif

#if SQLITE_OS_WINCE
  { "CharLowerW",              (SYSCALL)CharLowerW,              0 },
#else
  { "CharLowerW",              (SYSCALL)0,                       0 },
#endif

#define osCharLowerW ((LPWSTR(WINAPI*)(LPWSTR))aSyscall[1].pCurrent)

#if SQLITE_OS_WINCE
  { "CharUpperW",              (SYSCALL)CharUpperW,              0 },
#else
  { "CharUpperW",              (SYSCALL)0,                       0 },
#endif

#define osCharUpperW ((LPWSTR(WINAPI*)(LPWSTR))aSyscall[2].pCurrent)

  { "CloseHandle",             (SYSCALL)CloseHandle,             0 },

#define osCloseHandle ((BOOL(WINAPI*)(HANDLE))aSyscall[3].pCurrent)










#if !SQLITE_OS_WINRT
  { "CreateFileW",             (SYSCALL)CreateFileW,             0 },
#else
  { "CreateFileW",             (SYSCALL)0,                       0 },
#endif

#define osCreateFileW ((HANDLE(WINAPI*)(LPCWSTR,DWORD,DWORD, \
        LPSECURITY_ATTRIBUTES,DWORD,DWORD,HANDLE))aSyscall[4].pCurrent)











#if SQLITE_OS_WINCE || (!SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL))

  { "CreateFileMappingW",      (SYSCALL)CreateFileMappingW,      0 },
#else
  { "CreateFileMappingW",      (SYSCALL)0,                       0 },
#endif

#define osCreateFileMappingW ((HANDLE(WINAPI*)(HANDLE,LPSECURITY_ATTRIBUTES, \
        DWORD,DWORD,DWORD,LPCWSTR))aSyscall[5].pCurrent)

#if !SQLITE_OS_WINRT
  { "CreateMutexW",            (SYSCALL)CreateMutexW,            0 },
#else
  { "CreateMutexW",            (SYSCALL)0,                       0 },
#endif

#define osCreateMutexW ((HANDLE(WINAPI*)(LPSECURITY_ATTRIBUTES,BOOL, \
        LPCWSTR))aSyscall[6].pCurrent)










  { "DeleteFileW",             (SYSCALL)DeleteFileW,             0 },




#define osDeleteFileW ((BOOL(WINAPI*)(LPCWSTR))aSyscall[7].pCurrent)

#if SQLITE_OS_WINCE
  { "FileTimeToLocalFileTime", (SYSCALL)FileTimeToLocalFileTime, 0 },
#else
  { "FileTimeToLocalFileTime", (SYSCALL)0,                       0 },
#endif

#define osFileTimeToLocalFileTime ((BOOL(WINAPI*)(CONST FILETIME*, \
        LPFILETIME))aSyscall[8].pCurrent)

#if SQLITE_OS_WINCE
  { "FileTimeToSystemTime",    (SYSCALL)FileTimeToSystemTime,    0 },
#else
  { "FileTimeToSystemTime",    (SYSCALL)0,                       0 },
#endif

#define osFileTimeToSystemTime ((BOOL(WINAPI*)(CONST FILETIME*, \
        LPSYSTEMTIME))aSyscall[9].pCurrent)

  { "FlushFileBuffers",        (SYSCALL)FlushFileBuffers,        0 },

#define osFlushFileBuffers ((BOOL(WINAPI*)(HANDLE))aSyscall[10].pCurrent)











  { "FormatMessageW",          (SYSCALL)FormatMessageW,          0 },




#define osFormatMessageW ((DWORD(WINAPI*)(DWORD,LPCVOID,DWORD,DWORD,LPWSTR, \
        DWORD,va_list*))aSyscall[11].pCurrent)

#if !defined(SQLITE_OMIT_LOAD_EXTENSION)
  { "FreeLibrary",             (SYSCALL)FreeLibrary,             0 },
#else
  { "FreeLibrary",             (SYSCALL)0,                       0 },
#endif

#define osFreeLibrary ((BOOL(WINAPI*)(HMODULE))aSyscall[12].pCurrent)

  { "GetCurrentProcessId",     (SYSCALL)GetCurrentProcessId,     0 },

#define osGetCurrentProcessId ((DWORD(WINAPI*)(VOID))aSyscall[13].pCurrent)










#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "GetDiskFreeSpaceW",       (SYSCALL)GetDiskFreeSpaceW,       0 },
#else
  { "GetDiskFreeSpaceW",       (SYSCALL)0,                       0 },
#endif

#define osGetDiskFreeSpaceW ((BOOL(WINAPI*)(LPCWSTR,LPDWORD,LPDWORD,LPDWORD, \
        LPDWORD))aSyscall[14].pCurrent)









#if !SQLITE_OS_WINRT
  { "GetFileAttributesW",      (SYSCALL)GetFileAttributesW,      0 },
#else
  { "GetFileAttributesW",      (SYSCALL)0,                       0 },
#endif

#define osGetFileAttributesW ((DWORD(WINAPI*)(LPCWSTR))aSyscall[15].pCurrent)


  { "GetFileAttributesExW",    (SYSCALL)GetFileAttributesExW,    0 },




#define osGetFileAttributesExW ((BOOL(WINAPI*)(LPCWSTR,GET_FILEEX_INFO_LEVELS, \
        LPVOID))aSyscall[16].pCurrent)

#if !SQLITE_OS_WINRT
  { "GetFileSize",             (SYSCALL)GetFileSize,             0 },
#else
  { "GetFileSize",             (SYSCALL)0,                       0 },
#endif

#define osGetFileSize ((DWORD(WINAPI*)(HANDLE,LPDWORD))aSyscall[17].pCurrent)










#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "GetFullPathNameW",        (SYSCALL)GetFullPathNameW,        0 },
#else
  { "GetFullPathNameW",        (SYSCALL)0,                       0 },
#endif

#define osGetFullPathNameW ((DWORD(WINAPI*)(LPCWSTR,DWORD,LPWSTR, \
        LPWSTR*))aSyscall[18].pCurrent)

  { "GetLastError",            (SYSCALL)GetLastError,            0 },

#define osGetLastError ((DWORD(WINAPI*)(VOID))aSyscall[19].pCurrent)

#if !defined(SQLITE_OMIT_LOAD_EXTENSION)
#if SQLITE_OS_WINCE
  /* The GetProcAddressA() routine is only available on Windows CE. */
  { "GetProcAddressA",         (SYSCALL)GetProcAddressA,         0 },
#else
  /* All other Windows platforms expect GetProcAddress() to take
  ** an ANSI string regardless of the _UNICODE setting */
  { "GetProcAddressA",         (SYSCALL)GetProcAddress,          0 },
#endif
#else
  { "GetProcAddressA",         (SYSCALL)0,                       0 },
#endif

#define osGetProcAddressA ((FARPROC(WINAPI*)(HMODULE, \
        LPCSTR))aSyscall[20].pCurrent)

#if !SQLITE_OS_WINRT
  { "GetSystemInfo",           (SYSCALL)GetSystemInfo,           0 },
#else
  { "GetSystemInfo",           (SYSCALL)0,                       0 },
#endif

#define osGetSystemInfo ((VOID(WINAPI*)(LPSYSTEM_INFO))aSyscall[21].pCurrent)

  { "GetSystemTime",           (SYSCALL)GetSystemTime,           0 },

#define osGetSystemTime ((VOID(WINAPI*)(LPSYSTEMTIME))aSyscall[22].pCurrent)

#if !SQLITE_OS_WINCE
  { "GetSystemTimeAsFileTime", (SYSCALL)GetSystemTimeAsFileTime, 0 },
#else
  { "GetSystemTimeAsFileTime", (SYSCALL)0,                       0 },
#endif

#define osGetSystemTimeAsFileTime ((VOID(WINAPI*)( \
        LPFILETIME))aSyscall[23].pCurrent)









#if !SQLITE_OS_WINRT
  { "GetTempPathW",            (SYSCALL)GetTempPathW,            0 },
#else
  { "GetTempPathW",            (SYSCALL)0,                       0 },
#endif

#define osGetTempPathW ((DWORD(WINAPI*)(DWORD,LPWSTR))aSyscall[24].pCurrent)

#if !SQLITE_OS_WINRT
  { "GetTickCount",            (SYSCALL)GetTickCount,            0 },
#else
  { "GetTickCount",            (SYSCALL)0,                       0 },
#endif

#define osGetTickCount ((DWORD(WINAPI*)(VOID))aSyscall[25].pCurrent)





















  { "HeapAlloc",               (SYSCALL)HeapAlloc,               0 },

#define osHeapAlloc ((LPVOID(WINAPI*)(HANDLE,DWORD, \
        SIZE_T))aSyscall[26].pCurrent)

#if !SQLITE_OS_WINRT
  { "HeapCreate",              (SYSCALL)HeapCreate,              0 },
#else
  { "HeapCreate",              (SYSCALL)0,                       0 },
#endif

#define osHeapCreate ((HANDLE(WINAPI*)(DWORD,SIZE_T, \
        SIZE_T))aSyscall[27].pCurrent)

#if !SQLITE_OS_WINRT
  { "HeapDestroy",             (SYSCALL)HeapDestroy,             0 },
#else
  { "HeapDestroy",             (SYSCALL)0,                       0 },
#endif

#define osHeapDestroy ((BOOL(WINAPI*)(HANDLE))aSyscall[28].pCurrent)

  { "HeapFree",                (SYSCALL)HeapFree,                0 },

#define osHeapFree ((BOOL(WINAPI*)(HANDLE,DWORD,LPVOID))aSyscall[29].pCurrent)

  { "HeapReAlloc",             (SYSCALL)HeapReAlloc,             0 },

#define osHeapReAlloc ((LPVOID(WINAPI*)(HANDLE,DWORD,LPVOID, \
        SIZE_T))aSyscall[30].pCurrent)

  { "HeapSize",                (SYSCALL)HeapSize,                0 },

#define osHeapSize ((SIZE_T(WINAPI*)(HANDLE,DWORD, \
        LPCVOID))aSyscall[31].pCurrent)

#if !SQLITE_OS_WINRT
  { "HeapValidate",            (SYSCALL)HeapValidate,            0 },
#else
  { "HeapValidate",            (SYSCALL)0,                       0 },
#endif

#define osHeapValidate ((BOOL(WINAPI*)(HANDLE,DWORD, \
        LPCVOID))aSyscall[32].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "HeapCompact",             (SYSCALL)HeapCompact,             0 },
#else
  { "HeapCompact",             (SYSCALL)0,                       0 },
#endif

#define osHeapCompact ((UINT(WINAPI*)(HANDLE,DWORD))aSyscall[33].pCurrent)










#if !SQLITE_OS_WINRT && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  { "LoadLibraryW",            (SYSCALL)LoadLibraryW,            0 },
#else
  { "LoadLibraryW",            (SYSCALL)0,                       0 },
#endif

#define osLoadLibraryW ((HMODULE(WINAPI*)(LPCWSTR))aSyscall[34].pCurrent)

#if !SQLITE_OS_WINRT
  { "LocalFree",               (SYSCALL)LocalFree,               0 },
#else
  { "LocalFree",               (SYSCALL)0,                       0 },
#endif

#define osLocalFree ((HLOCAL(WINAPI*)(HLOCAL))aSyscall[35].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "LockFile",                (SYSCALL)LockFile,                0 },
#else
  { "LockFile",                (SYSCALL)0,                       0 },
#endif

#ifndef osLockFile
#define osLockFile ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
        DWORD))aSyscall[36].pCurrent)
#endif

#if !SQLITE_OS_WINCE
  { "LockFileEx",              (SYSCALL)LockFileEx,              0 },
#else
  { "LockFileEx",              (SYSCALL)0,                       0 },
#endif

#ifndef osLockFileEx
#define osLockFileEx ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD,DWORD, \
        LPOVERLAPPED))aSyscall[37].pCurrent)
#endif

#if SQLITE_OS_WINCE || (!SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL))
  { "MapViewOfFile",           (SYSCALL)MapViewOfFile,           0 },
#else
  { "MapViewOfFile",           (SYSCALL)0,                       0 },
#endif

#define osMapViewOfFile ((LPVOID(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
        SIZE_T))aSyscall[38].pCurrent)

  { "MultiByteToWideChar",     (SYSCALL)MultiByteToWideChar,     0 },

#define osMultiByteToWideChar ((int(WINAPI*)(UINT,DWORD,LPCSTR,int,LPWSTR, \
        int))aSyscall[39].pCurrent)

  { "QueryPerformanceCounter", (SYSCALL)QueryPerformanceCounter, 0 },

#define osQueryPerformanceCounter ((BOOL(WINAPI*)( \
        LARGE_INTEGER*))aSyscall[40].pCurrent)

  { "ReadFile",                (SYSCALL)ReadFile,                0 },

#define osReadFile ((BOOL(WINAPI*)(HANDLE,LPVOID,DWORD,LPDWORD, \
        LPOVERLAPPED))aSyscall[41].pCurrent)

  { "SetEndOfFile",            (SYSCALL)SetEndOfFile,            0 },

#define osSetEndOfFile ((BOOL(WINAPI*)(HANDLE))aSyscall[42].pCurrent)

#if !SQLITE_OS_WINRT
  { "SetFilePointer",          (SYSCALL)SetFilePointer,          0 },
#else
  { "SetFilePointer",          (SYSCALL)0,                       0 },
#endif

#define osSetFilePointer ((DWORD(WINAPI*)(HANDLE,LONG,PLONG, \
        DWORD))aSyscall[43].pCurrent)

#if !SQLITE_OS_WINRT
  { "Sleep",                   (SYSCALL)Sleep,                   0 },
#else
  { "Sleep",                   (SYSCALL)0,                       0 },
#endif

#define osSleep ((VOID(WINAPI*)(DWORD))aSyscall[44].pCurrent)

  { "SystemTimeToFileTime",    (SYSCALL)SystemTimeToFileTime,    0 },

#define osSystemTimeToFileTime ((BOOL(WINAPI*)(CONST SYSTEMTIME*, \
        LPFILETIME))aSyscall[45].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
  { "UnlockFile",              (SYSCALL)UnlockFile,              0 },
#else
  { "UnlockFile",              (SYSCALL)0,                       0 },
#endif

#ifndef osUnlockFile
#define osUnlockFile ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
        DWORD))aSyscall[46].pCurrent)
#endif

#if !SQLITE_OS_WINCE
  { "UnlockFileEx",            (SYSCALL)UnlockFileEx,            0 },
#else
  { "UnlockFileEx",            (SYSCALL)0,                       0 },
#endif

#define osUnlockFileEx ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
        LPOVERLAPPED))aSyscall[47].pCurrent)

#if SQLITE_OS_WINCE || !defined(SQLITE_OMIT_WAL)
  { "UnmapViewOfFile",         (SYSCALL)UnmapViewOfFile,         0 },
#else
  { "UnmapViewOfFile",         (SYSCALL)0,                       0 },
#endif

#define osUnmapViewOfFile ((BOOL(WINAPI*)(LPCVOID))aSyscall[48].pCurrent)

  { "WideCharToMultiByte",     (SYSCALL)WideCharToMultiByte,     0 },

#define osWideCharToMultiByte ((int(WINAPI*)(UINT,DWORD,LPCWSTR,int,LPSTR,int, \
        LPCSTR,LPBOOL))aSyscall[49].pCurrent)

  { "WriteFile",               (SYSCALL)WriteFile,               0 },

#define osWriteFile ((BOOL(WINAPI*)(HANDLE,LPCVOID,DWORD,LPDWORD, \
        LPOVERLAPPED))aSyscall[50].pCurrent)

#if SQLITE_OS_WINRT
  { "CreateEventExW",          (SYSCALL)CreateEventExW,          0 },
#else
  { "CreateEventExW",          (SYSCALL)0,                       0 },
#endif

#define osCreateEventExW ((HANDLE(WINAPI*)(LPSECURITY_ATTRIBUTES,LPCWSTR, \
        DWORD,DWORD))aSyscall[51].pCurrent)

#if !SQLITE_OS_WINRT
  { "WaitForSingleObject",     (SYSCALL)WaitForSingleObject,     0 },
#else
  { "WaitForSingleObject",     (SYSCALL)0,                       0 },
#endif

#define osWaitForSingleObject ((DWORD(WINAPI*)(HANDLE, \
        DWORD))aSyscall[52].pCurrent)

#if SQLITE_OS_WINRT
  { "WaitForSingleObjectEx",   (SYSCALL)WaitForSingleObjectEx,   0 },
#else
  { "WaitForSingleObjectEx",   (SYSCALL)0,                       0 },
#endif

#define osWaitForSingleObjectEx ((DWORD(WINAPI*)(HANDLE,DWORD, \
        BOOL))aSyscall[53].pCurrent)

#if SQLITE_OS_WINRT
  { "SetFilePointerEx",        (SYSCALL)SetFilePointerEx,        0 },
#else
  { "SetFilePointerEx",        (SYSCALL)0,                       0 },
#endif

#define osSetFilePointerEx ((BOOL(WINAPI*)(HANDLE,LARGE_INTEGER, \
        PLARGE_INTEGER,DWORD))aSyscall[54].pCurrent)

#if SQLITE_OS_WINRT
  { "GetFileInformationByHandleEx", (SYSCALL)GetFileInformationByHandleEx, 0 },
#else
  { "GetFileInformationByHandleEx", (SYSCALL)0,                  0 },
#endif

#define osGetFileInformationByHandleEx ((BOOL(WINAPI*)(HANDLE, \
        FILE_INFO_BY_HANDLE_CLASS,LPVOID,DWORD))aSyscall[55].pCurrent)

#if SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL)
  { "MapViewOfFileFromApp",    (SYSCALL)MapViewOfFileFromApp,    0 },
#else
  { "MapViewOfFileFromApp",    (SYSCALL)0,                       0 },
#endif

#define osMapViewOfFileFromApp ((LPVOID(WINAPI*)(HANDLE,ULONG,ULONG64, \
        SIZE_T))aSyscall[56].pCurrent)

#if SQLITE_OS_WINRT
  { "CreateFile2",             (SYSCALL)CreateFile2,             0 },
#else
  { "CreateFile2",             (SYSCALL)0,                       0 },
#endif

#define osCreateFile2 ((HANDLE(WINAPI*)(LPCWSTR,DWORD,DWORD,DWORD, \
        LPCREATEFILE2_EXTENDED_PARAMETERS))aSyscall[57].pCurrent)

#if SQLITE_OS_WINRT && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  { "LoadPackagedLibrary",     (SYSCALL)LoadPackagedLibrary,     0 },
#else
  { "LoadPackagedLibrary",     (SYSCALL)0,                       0 },
#endif

#define osLoadPackagedLibrary ((HMODULE(WINAPI*)(LPCWSTR, \
        DWORD))aSyscall[58].pCurrent)

#if SQLITE_OS_WINRT
  { "GetTickCount64",          (SYSCALL)GetTickCount64,          0 },
#else
  { "GetTickCount64",          (SYSCALL)0,                       0 },
#endif

#define osGetTickCount64 ((ULONGLONG(WINAPI*)(VOID))aSyscall[59].pCurrent)

#if SQLITE_OS_WINRT
  { "GetNativeSystemInfo",     (SYSCALL)GetNativeSystemInfo,     0 },
#else
  { "GetNativeSystemInfo",     (SYSCALL)0,                       0 },
#endif

#define osGetNativeSystemInfo ((VOID(WINAPI*)( \
        LPSYSTEM_INFO))aSyscall[60].pCurrent)










  { "OutputDebugStringW",      (SYSCALL)OutputDebugStringW,      0 },




#define osOutputDebugStringW ((VOID(WINAPI*)(LPCWSTR))aSyscall[61].pCurrent)

  { "GetProcessHeap",          (SYSCALL)GetProcessHeap,          0 },

#define osGetProcessHeap ((HANDLE(WINAPI*)(VOID))aSyscall[62].pCurrent)

#if SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL)
  { "CreateFileMappingFromApp", (SYSCALL)CreateFileMappingFromApp, 0 },
#else
  { "CreateFileMappingFromApp", (SYSCALL)0,                      0 },
#endif

#define osCreateFileMappingFromApp ((HANDLE(WINAPI*)(HANDLE, \
        LPSECURITY_ATTRIBUTES,ULONG,ULONG64,LPCWSTR))aSyscall[63].pCurrent)

/*
** NOTE: On some sub-platforms, the InterlockedCompareExchange "function"
**       is really just a macro that uses a compiler intrinsic (e.g. x64).
**       So do not try to make this is into a redefinable interface.
*/
#if defined(InterlockedCompareExchange)
  { "InterlockedCompareExchange", (SYSCALL)0,                    0 },

#define osInterlockedCompareExchange InterlockedCompareExchange
#else
  { "InterlockedCompareExchange", (SYSCALL)InterlockedCompareExchange, 0 },

#define osInterlockedCompareExchange ((LONG(WINAPI*)(LONG volatile*, \
        LONG,LONG))aSyscall[64].pCurrent)
#endif /* defined(InterlockedCompareExchange) */

}; /* End of the overrideable system calls */

/*
** This is the xSetSystemCall() method of sqlite3_vfs for all of the
** "win32" VFSes.  Return SQLITE_OK opon successfully updating the
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
*/

void sqlite3_win32_write_debug(const char *zBuf, int nBuf){
  char zDbgBuf[SQLITE_WIN32_DBG_BUF_SIZE];
  int nMin = MIN(nBuf, (SQLITE_WIN32_DBG_BUF_SIZE - 1)); /* may be negative. */
  if( nMin<-1 ) nMin = -1; /* all negative values become -1. */
  assert( nMin==-1 || nMin==0 || nMin<SQLITE_WIN32_DBG_BUF_SIZE );
#if defined(SQLITE_WIN32_HAS_ANSI)
  if( nMin>0 ){
    memset(zDbgBuf, 0, SQLITE_WIN32_DBG_BUF_SIZE);
    memcpy(zDbgBuf, zBuf, nMin);
    osOutputDebugStringA(zDbgBuf);
  }else{
    osOutputDebugStringA(zBuf);
  }
#elif defined(SQLITE_WIN32_HAS_WIDE)
  memset(zDbgBuf, 0, SQLITE_WIN32_DBG_BUF_SIZE);
  if ( osMultiByteToWideChar(
          osAreFileApisANSI() ? CP_ACP : CP_OEMCP, 0, zBuf,
          nMin, (LPWSTR)zDbgBuf, SQLITE_WIN32_DBG_BUF_SIZE/sizeof(WCHAR))<=0 ){
    return;
  }
  osOutputDebugStringW((LPCWSTR)zDbgBuf);
#else
  if( nMin>0 ){
    memset(zDbgBuf, 0, SQLITE_WIN32_DBG_BUF_SIZE);
    memcpy(zDbgBuf, zBuf, nMin);
    fprintf(stderr, "%s", zDbgBuf);
  }else{
    fprintf(stderr, "%s", zBuf);
  }
#endif
}

/*
** The following routine suspends the current thread for at least ms
** milliseconds.  This is equivalent to the Win32 Sleep() interface.
*/
#if SQLITE_OS_WINRT







<
<
<
<
<
<
<
<
<







<
<
<
<
<
<
<
<
<







984
985
986
987
988
989
990









991
992
993
994
995
996
997









998
999
1000
1001
1002
1003
1004
*/

void sqlite3_win32_write_debug(const char *zBuf, int nBuf){
  char zDbgBuf[SQLITE_WIN32_DBG_BUF_SIZE];
  int nMin = MIN(nBuf, (SQLITE_WIN32_DBG_BUF_SIZE - 1)); /* may be negative. */
  if( nMin<-1 ) nMin = -1; /* all negative values become -1. */
  assert( nMin==-1 || nMin==0 || nMin<SQLITE_WIN32_DBG_BUF_SIZE );









  memset(zDbgBuf, 0, SQLITE_WIN32_DBG_BUF_SIZE);
  if ( osMultiByteToWideChar(
          osAreFileApisANSI() ? CP_ACP : CP_OEMCP, 0, zBuf,
          nMin, (LPWSTR)zDbgBuf, SQLITE_WIN32_DBG_BUF_SIZE/sizeof(WCHAR))<=0 ){
    return;
  }
  osOutputDebugStringW((LPCWSTR)zDbgBuf);









}

/*
** The following routine suspends the current thread for at least ms
** milliseconds.  This is equivalent to the Win32 Sleep() interface.
*/
#if SQLITE_OS_WINRT
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
  assert( sleepObj!=NULL );
  osWaitForSingleObjectEx(sleepObj, milliseconds, FALSE);
#else
  osSleep(milliseconds);
#endif
}

/*
** Return true (non-zero) if we are running under WinNT, Win2K, WinXP,
** or WinCE.  Return false (zero) for Win95, Win98, or WinME.
**
** Here is an interesting observation:  Win95, Win98, and WinME lack
** the LockFileEx() API.  But we can still statically link against that
** API as long as we don't call it when running Win95/98/ME.  A call to
** this routine is used to determine if the host is Win95/98/ME or
** WinNT/2K/XP so that we will know whether or not we can safely call
** the LockFileEx() API.
*/

#if !defined(SQLITE_WIN32_GETVERSIONEX) || !SQLITE_WIN32_GETVERSIONEX
# define osIsNT()  (1)
#elif SQLITE_OS_WINCE || SQLITE_OS_WINRT || !defined(SQLITE_WIN32_HAS_ANSI)
# define osIsNT()  (1)
#elif !defined(SQLITE_WIN32_HAS_WIDE)
# define osIsNT()  (0)
#else
# define osIsNT()  ((sqlite3_os_type==2) || sqlite3_win32_is_nt())
#endif

/*
** This function determines if the machine is running a version of Windows
** based on the NT kernel.
*/
int sqlite3_win32_is_nt(void){
#if defined(SQLITE_WIN32_GETVERSIONEX) && SQLITE_WIN32_GETVERSIONEX
  if( osInterlockedCompareExchange(&sqlite3_os_type, 0, 0)==0 ){
#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE) && \
        defined(NTDDI_VERSION) && NTDDI_VERSION >= NTDDI_WIN8
    OSVERSIONINFOW sInfo;
    sInfo.dwOSVersionInfoSize = sizeof(sInfo);
    osGetVersionExW(&sInfo);
#elif defined(SQLITE_WIN32_HAS_ANSI)
    OSVERSIONINFOA sInfo;
    sInfo.dwOSVersionInfoSize = sizeof(sInfo);
    osGetVersionExA(&sInfo);
#endif
    osInterlockedCompareExchange(&sqlite3_os_type,
        (sInfo.dwPlatformId == VER_PLATFORM_WIN32_NT) ? 2 : 1, 0);
  }
  return osInterlockedCompareExchange(&sqlite3_os_type, 2, 2)==2;
#elif SQLITE_TEST
  return osInterlockedCompareExchange(&sqlite3_os_type, 2, 2)==2;
#else
  return 1;
#endif
}

#ifdef SQLITE_WIN32_MALLOC
/*
** Allocate nBytes of memory.
*/
static void *winMemMalloc(int nBytes){
  HANDLE hHeap;
  void *p;







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







1014
1015
1016
1017
1018
1019
1020


















































1021
1022
1023
1024
1025
1026
1027
  assert( sleepObj!=NULL );
  osWaitForSingleObjectEx(sleepObj, milliseconds, FALSE);
#else
  osSleep(milliseconds);
#endif
}



















































#ifdef SQLITE_WIN32_MALLOC
/*
** Allocate nBytes of memory.
*/
static void *winMemMalloc(int nBytes){
  HANDLE hHeap;
  void *p;
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
  /* FormatMessage returns 0 on failure.  Otherwise it
  ** returns the number of TCHARs written to the output
  ** buffer, excluding the terminating null char.
  */
  DWORD dwLen = 0;
  char *zOut = 0;

  if( osIsNT() ){
#if SQLITE_OS_WINRT
    WCHAR zTempWide[SQLITE_WIN32_MAX_ERRMSG_CHARS+1];
    dwLen = osFormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM |
                             FORMAT_MESSAGE_IGNORE_INSERTS,
                             NULL,
                             lastErrno,
                             0,
                             zTempWide,
                             SQLITE_WIN32_MAX_ERRMSG_CHARS,
                             0);
#else
    LPWSTR zTempWide = NULL;
    dwLen = osFormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                             FORMAT_MESSAGE_FROM_SYSTEM |
                             FORMAT_MESSAGE_IGNORE_INSERTS,
                             NULL,
                             lastErrno,
                             0,
                             (LPWSTR) &zTempWide,
                             0,
                             0);
#endif
    if( dwLen > 0 ){
      /* allocate a buffer and convert to UTF8 */
      sqlite3BeginBenignMalloc();
      zOut = winUnicodeToUtf8(zTempWide);
      sqlite3EndBenignMalloc();
#if !SQLITE_OS_WINRT
      /* free the system buffer allocated by FormatMessage */
      osLocalFree(zTempWide);
#endif
    }
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    char *zTemp = NULL;
    dwLen = osFormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                             FORMAT_MESSAGE_FROM_SYSTEM |
                             FORMAT_MESSAGE_IGNORE_INSERTS,
                             NULL,
                             lastErrno,
                             0,
                             (LPSTR) &zTemp,
                             0,
                             0);
    if( dwLen > 0 ){
      /* allocate a buffer and convert to UTF8 */
      sqlite3BeginBenignMalloc();
      zOut = sqlite3_win32_mbcs_to_utf8(zTemp);
      sqlite3EndBenignMalloc();
      /* free the system buffer allocated by FormatMessage */
      osLocalFree(zTemp);
    }
  }
#endif
  if( 0 == dwLen ){
    sqlite3_snprintf(nBuf, zBuf, "OsError 0x%lx (%lu)", lastErrno, lastErrno);
  }else{
    /* copy a maximum of nBuf chars to output buffer */
    sqlite3_snprintf(nBuf, zBuf, "%s", zOut);
    /* free the UTF8 buffer */
    sqlite3_free(zOut);







<

|
|
|
|
|
|
|
|
|

|
|
|
|
|
|
|
|
|
|

|
|
|
|
|

|
|

|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







1413
1414
1415
1416
1417
1418
1419

1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451























1452
1453
1454
1455
1456
1457
1458
  /* FormatMessage returns 0 on failure.  Otherwise it
  ** returns the number of TCHARs written to the output
  ** buffer, excluding the terminating null char.
  */
  DWORD dwLen = 0;
  char *zOut = 0;


#if SQLITE_OS_WINRT
  WCHAR zTempWide[SQLITE_WIN32_MAX_ERRMSG_CHARS+1];
  dwLen = osFormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM |
                           FORMAT_MESSAGE_IGNORE_INSERTS,
                           NULL,
                           lastErrno,
                           0,
                           zTempWide,
                           SQLITE_WIN32_MAX_ERRMSG_CHARS,
                           0);
#else
  LPWSTR zTempWide = NULL;
  dwLen = osFormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                           FORMAT_MESSAGE_FROM_SYSTEM |
                           FORMAT_MESSAGE_IGNORE_INSERTS,
                           NULL,
                           lastErrno,
                           0,
                           (LPWSTR) &zTempWide,
                           0,
                           0);
#endif
  if( dwLen > 0 ){
    /* allocate a buffer and convert to UTF8 */
    sqlite3BeginBenignMalloc();
    zOut = winUnicodeToUtf8(zTempWide);
    sqlite3EndBenignMalloc();
#if !SQLITE_OS_WINRT
    /* free the system buffer allocated by FormatMessage */
    osLocalFree(zTempWide);
#endif
  }























  if( 0 == dwLen ){
    sqlite3_snprintf(nBuf, zBuf, "OsError 0x%lx (%lu)", lastErrno, lastErrno);
  }else{
    /* copy a maximum of nBuf chars to output buffer */
    sqlite3_snprintf(nBuf, zBuf, "%s", zOut);
    /* free the UTF8 buffer */
    sqlite3_free(zOut);
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
  /*
  ** NOTE: Windows CE is handled differently here due its lack of the Win32
  **       API LockFile.
  */
  return winceLockFile(phFile, offsetLow, offsetHigh,
                       numBytesLow, numBytesHigh);
#else
  if( osIsNT() ){
    OVERLAPPED ovlp;
    memset(&ovlp, 0, sizeof(OVERLAPPED));
    ovlp.Offset = offsetLow;
    ovlp.OffsetHigh = offsetHigh;
    return osLockFileEx(*phFile, flags, 0, numBytesLow, numBytesHigh, &ovlp);
  }else{
    return osLockFile(*phFile, offsetLow, offsetHigh, numBytesLow,
                      numBytesHigh);
  }
#endif
}

/*
** Unlock a file region.
 */
static BOOL winUnlockFile(







<
|
|
|
|
|
<
<
<
<







1912
1913
1914
1915
1916
1917
1918

1919
1920
1921
1922
1923




1924
1925
1926
1927
1928
1929
1930
  /*
  ** NOTE: Windows CE is handled differently here due its lack of the Win32
  **       API LockFile.
  */
  return winceLockFile(phFile, offsetLow, offsetHigh,
                       numBytesLow, numBytesHigh);
#else

  OVERLAPPED ovlp;
  memset(&ovlp, 0, sizeof(OVERLAPPED));
  ovlp.Offset = offsetLow;
  ovlp.OffsetHigh = offsetHigh;
  return osLockFileEx(*phFile, flags, 0, numBytesLow, numBytesHigh, &ovlp);




#endif
}

/*
** Unlock a file region.
 */
static BOOL winUnlockFile(
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
  /*
  ** NOTE: Windows CE is handled differently here due its lack of the Win32
  **       API UnlockFile.
  */
  return winceUnlockFile(phFile, offsetLow, offsetHigh,
                         numBytesLow, numBytesHigh);
#else
  if( osIsNT() ){
    OVERLAPPED ovlp;
    memset(&ovlp, 0, sizeof(OVERLAPPED));
    ovlp.Offset = offsetLow;
    ovlp.OffsetHigh = offsetHigh;
    return osUnlockFileEx(*phFile, 0, numBytesLow, numBytesHigh, &ovlp);
  }else{
    return osUnlockFile(*phFile, offsetLow, offsetHigh, numBytesLow,
                        numBytesHigh);
  }
#endif
}

/*****************************************************************************
** The next group of routines implement the I/O methods specified
** by the sqlite3_io_methods object.
******************************************************************************/







<
|
|
|
|
|
<
<
<
<







1938
1939
1940
1941
1942
1943
1944

1945
1946
1947
1948
1949




1950
1951
1952
1953
1954
1955
1956
  /*
  ** NOTE: Windows CE is handled differently here due its lack of the Win32
  **       API UnlockFile.
  */
  return winceUnlockFile(phFile, offsetLow, offsetHigh,
                         numBytesLow, numBytesHigh);
#else

  OVERLAPPED ovlp;
  memset(&ovlp, 0, sizeof(OVERLAPPED));
  ovlp.Offset = offsetLow;
  ovlp.OffsetHigh = offsetHigh;
  return osUnlockFileEx(*phFile, 0, numBytesLow, numBytesHigh, &ovlp);




#endif
}

/*****************************************************************************
** The next group of routines implement the I/O methods specified
** by the sqlite3_io_methods object.
******************************************************************************/
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
** Acquire a reader lock.
** Different API routines are called depending on whether or not this
** is Win9x or WinNT.
*/
static int winGetReadLock(winFile *pFile){
  int res;
  OSTRACE(("READ-LOCK file=%p, lock=%d\n", pFile->h, pFile->locktype));
  if( osIsNT() ){
#if SQLITE_OS_WINCE
    /*
    ** NOTE: Windows CE is handled differently here due its lack of the Win32
    **       API LockFileEx.
    */
    res = winceLockFile(&pFile->h, SHARED_FIRST, 0, 1, 0);
#else
    res = winLockFile(&pFile->h, SQLITE_LOCKFILEEX_FLAGS, SHARED_FIRST, 0,
                      SHARED_SIZE, 0);
#endif
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    int lk;
    sqlite3_randomness(sizeof(lk), &lk);
    pFile->sharedLockByte = (short)((lk & 0x7fffffff)%(SHARED_SIZE - 1));
    res = winLockFile(&pFile->h, SQLITE_LOCKFILE_FLAGS,
                      SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
  }
#endif
  if( res == 0 ){
    pFile->lastErrno = osGetLastError();
    /* No need to log a failure to lock */
  }
  OSTRACE(("READ-LOCK file=%p, result=%d\n", pFile->h, res));
  return res;
}

/*
** Undo a readlock
*/
static int winUnlockReadLock(winFile *pFile){
  int res;
  DWORD lastErrno;
  OSTRACE(("READ-UNLOCK file=%p, lock=%d\n", pFile->h, pFile->locktype));
  if( osIsNT() ){
    res = winUnlockFile(&pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    res = winUnlockFile(&pFile->h, SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
  }
#endif
  if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){
    pFile->lastErrno = lastErrno;
    winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
                "winUnlockReadLock", pFile->zPath);
  }
  OSTRACE(("READ-UNLOCK file=%p, result=%d\n", pFile->h, res));
  return res;







<

|
|
|
|
|

|
|
<
<
<
<
<
<
<
<
<
<
















<
|
<
<
<
<
<
<







2465
2466
2467
2468
2469
2470
2471

2472
2473
2474
2475
2476
2477
2478
2479
2480










2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496

2497






2498
2499
2500
2501
2502
2503
2504
** Acquire a reader lock.
** Different API routines are called depending on whether or not this
** is Win9x or WinNT.
*/
static int winGetReadLock(winFile *pFile){
  int res;
  OSTRACE(("READ-LOCK file=%p, lock=%d\n", pFile->h, pFile->locktype));

#if SQLITE_OS_WINCE
  /*
  ** NOTE: Windows CE is handled differently here due its lack of the Win32
  **       API LockFileEx.
  */
  res = winceLockFile(&pFile->h, SHARED_FIRST, 0, 1, 0);
#else
  res = winLockFile(&pFile->h, SQLITE_LOCKFILEEX_FLAGS, SHARED_FIRST, 0,
                    SHARED_SIZE, 0);










#endif
  if( res == 0 ){
    pFile->lastErrno = osGetLastError();
    /* No need to log a failure to lock */
  }
  OSTRACE(("READ-LOCK file=%p, result=%d\n", pFile->h, res));
  return res;
}

/*
** Undo a readlock
*/
static int winUnlockReadLock(winFile *pFile){
  int res;
  DWORD lastErrno;
  OSTRACE(("READ-UNLOCK file=%p, lock=%d\n", pFile->h, pFile->locktype));

  res = winUnlockFile(&pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);






  if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){
    pFile->lastErrno = lastErrno;
    winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
                "winUnlockReadLock", pFile->zPath);
  }
  OSTRACE(("READ-UNLOCK file=%p, result=%d\n", pFile->h, res));
  return res;
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
      HANDLE hMap = NULL;         /* file-mapping handle */
      void *pMap = 0;             /* Mapped memory region */

#if SQLITE_OS_WINRT
      hMap = osCreateFileMappingFromApp(pShmNode->hFile.h,
          NULL, PAGE_READWRITE, nByte, NULL
      );
#elif defined(SQLITE_WIN32_HAS_WIDE)
      hMap = osCreateFileMappingW(pShmNode->hFile.h,
          NULL, PAGE_READWRITE, 0, nByte, NULL
      );
#elif defined(SQLITE_WIN32_HAS_ANSI)
      hMap = osCreateFileMappingA(pShmNode->hFile.h,
          NULL, PAGE_READWRITE, 0, nByte, NULL
      );
#endif
      OSTRACE(("SHM-MAP-CREATE pid=%lu, region=%d, size=%d, rc=%s\n",
               osGetCurrentProcessId(), pShmNode->nRegion, nByte,
               hMap ? "ok" : "failed"));
      if( hMap ){
        int iOffset = pShmNode->nRegion*szRegion;
        int iOffsetShift = iOffset % winSysInfo.dwAllocationGranularity;







|



<
<
<
<







3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484




3485
3486
3487
3488
3489
3490
3491
      HANDLE hMap = NULL;         /* file-mapping handle */
      void *pMap = 0;             /* Mapped memory region */

#if SQLITE_OS_WINRT
      hMap = osCreateFileMappingFromApp(pShmNode->hFile.h,
          NULL, PAGE_READWRITE, nByte, NULL
      );
#else
      hMap = osCreateFileMappingW(pShmNode->hFile.h,
          NULL, PAGE_READWRITE, 0, nByte, NULL
      );




#endif
      OSTRACE(("SHM-MAP-CREATE pid=%lu, region=%d, size=%d, rc=%s\n",
               osGetCurrentProcessId(), pShmNode->nRegion, nByte,
               hMap ? "ok" : "failed"));
      if( hMap ){
        int iOffset = pShmNode->nRegion*szRegion;
        int iOffsetShift = iOffset % winSysInfo.dwAllocationGranularity;
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
    winUnmapfile(pFd);
    if( (pFd->ctrlFlags & WINFILE_RDONLY)==0 ){
      protect = PAGE_READWRITE;
      flags |= FILE_MAP_WRITE;
    }
#if SQLITE_OS_WINRT
    pFd->hMap = osCreateFileMappingFromApp(pFd->h, NULL, protect, nMap, NULL);
#elif defined(SQLITE_WIN32_HAS_WIDE)
    pFd->hMap = osCreateFileMappingW(pFd->h, NULL, protect,
                                (DWORD)((nMap>>32) & 0xffffffff),
                                (DWORD)(nMap & 0xffffffff), NULL);
#elif defined(SQLITE_WIN32_HAS_ANSI)
    pFd->hMap = osCreateFileMappingA(pFd->h, NULL, protect,
                                (DWORD)((nMap>>32) & 0xffffffff),
                                (DWORD)(nMap & 0xffffffff), NULL);
#endif
    if( pFd->hMap==NULL ){
      pFd->lastErrno = osGetLastError();
      rc = winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
                       "winMapfile1", pFd->zPath);







|

<
<
<
<







3624
3625
3626
3627
3628
3629
3630
3631
3632




3633
3634
3635
3636
3637
3638
3639
    winUnmapfile(pFd);
    if( (pFd->ctrlFlags & WINFILE_RDONLY)==0 ){
      protect = PAGE_READWRITE;
      flags |= FILE_MAP_WRITE;
    }
#if SQLITE_OS_WINRT
    pFd->hMap = osCreateFileMappingFromApp(pFd->h, NULL, protect, nMap, NULL);
#else
    pFd->hMap = osCreateFileMappingW(pFd->h, NULL, protect,




                                (DWORD)((nMap>>32) & 0xffffffff),
                                (DWORD)(nMap & 0xffffffff), NULL);
#endif
    if( pFd->hMap==NULL ){
      pFd->lastErrno = osGetLastError();
      rc = winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
                       "winMapfile1", pFd->zPath);
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
#if defined(__CYGWIN__)
/*
** Convert a filename from whatever the underlying operating system
** supports for filenames into UTF-8.  Space to hold the result is
** obtained from malloc and must be freed by the calling function.
*/
static char *winConvertToUtf8Filename(const void *zFilename){
  char *zConverted = 0;
  if( osIsNT() ){
    zConverted = winUnicodeToUtf8(zFilename);
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    zConverted = sqlite3_win32_mbcs_to_utf8(zFilename);
  }
#endif
  /* caller will handle out of memory */
  return zConverted;
}
#endif

/*
** Convert a UTF-8 filename into whatever form the underlying
** operating system wants filenames in.  Space to hold the result
** is obtained from malloc and must be freed by the calling
** function.
*/
static void *winConvertFromUtf8Filename(const char *zFilename){
  void *zConverted = 0;
  if( osIsNT() ){
    zConverted = winUtf8ToUnicode(zFilename);
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    zConverted = sqlite3_win32_utf8_to_mbcs(zFilename);
  }
#endif
  /* caller will handle out of memory */
  return zConverted;
}

/*
** This function returns non-zero if the specified UTF-8 string buffer
** ends with a directory separator character or one was successfully
** added to it.
*/







<
<
|
<
<
<
<
<
<
<
<










<
<
|
<
<
<
<
<
<
<
<







3799
3800
3801
3802
3803
3804
3805


3806








3807
3808
3809
3810
3811
3812
3813
3814
3815
3816


3817








3818
3819
3820
3821
3822
3823
3824
#if defined(__CYGWIN__)
/*
** Convert a filename from whatever the underlying operating system
** supports for filenames into UTF-8.  Space to hold the result is
** obtained from malloc and must be freed by the calling function.
*/
static char *winConvertToUtf8Filename(const void *zFilename){


  return winUnicodeToUtf8(zFilename);








}
#endif

/*
** Convert a UTF-8 filename into whatever form the underlying
** operating system wants filenames in.  Space to hold the result
** is obtained from malloc and must be freed by the calling
** function.
*/
static void *winConvertFromUtf8Filename(const char *zFilename){


  return winUtf8ToUnicode(zFilename);








}

/*
** This function returns non-zero if the specified UTF-8 string buffer
** ends with a directory separator character or one was successfully
** added to it.
*/
4286
4287
4288
4289
4290
4291
4292
4293
4294

4295
4296
4297
4298
4299
4300
4301
        sqlite3_free(zBuf);
        OSTRACE(("TEMP-FILENAME rc=SQLITE_ERROR\n"));
        return winLogError(SQLITE_ERROR, 0, "winGetTempname1", 0);
      }
      sqlite3_snprintf(nMax, zBuf, "%s", sqlite3_temp_directory);
    }
  }
#if defined(__CYGWIN__)
  else{

    static const char *azDirs[] = {
       0, /* getenv("SQLITE_TMPDIR") */
       0, /* getenv("TMPDIR") */
       0, /* getenv("TMP") */
       0, /* getenv("TEMP") */
       0, /* getenv("USERPROFILE") */
       "/var/tmp",







<

>







3884
3885
3886
3887
3888
3889
3890

3891
3892
3893
3894
3895
3896
3897
3898
3899
        sqlite3_free(zBuf);
        OSTRACE(("TEMP-FILENAME rc=SQLITE_ERROR\n"));
        return winLogError(SQLITE_ERROR, 0, "winGetTempname1", 0);
      }
      sqlite3_snprintf(nMax, zBuf, "%s", sqlite3_temp_directory);
    }
  }

  else{
#if defined(__CYGWIN__)
    static const char *azDirs[] = {
       0, /* getenv("SQLITE_TMPDIR") */
       0, /* getenv("TMPDIR") */
       0, /* getenv("TMP") */
       0, /* getenv("TEMP") */
       0, /* getenv("USERPROFILE") */
       "/var/tmp",
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
      }else{
        zConverted = sqlite3MallocZero( nMax+1 );
        if( !zConverted ){
          sqlite3_free(zBuf);
          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
          return SQLITE_IOERR_NOMEM;
        }
        if( cygwin_conv_path(
                osIsNT() ? CCP_POSIX_TO_WIN_W : CCP_POSIX_TO_WIN_A, zDir,
                zConverted, nMax+1)<0 ){
          sqlite3_free(zConverted);
          sqlite3_free(zBuf);
          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_CONVPATH\n"));
          return winLogError(SQLITE_IOERR_CONVPATH, (DWORD)errno,
                             "winGetTempname2", zDir);
        }
        if( winIsDir(zConverted) ){







|
<
<







3934
3935
3936
3937
3938
3939
3940
3941


3942
3943
3944
3945
3946
3947
3948
      }else{
        zConverted = sqlite3MallocZero( nMax+1 );
        if( !zConverted ){
          sqlite3_free(zBuf);
          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
          return SQLITE_IOERR_NOMEM;
        }
        if( cygwin_conv_path(CCP_POSIX_TO_WIN_W, zDir, zConverted, nMax+1)<0 ){


          sqlite3_free(zConverted);
          sqlite3_free(zBuf);
          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_CONVPATH\n"));
          return winLogError(SQLITE_IOERR_CONVPATH, (DWORD)errno,
                             "winGetTempname2", zDir);
        }
        if( winIsDir(zConverted) ){
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
          sqlite3_free(zUtf8);
          sqlite3_free(zConverted);
          break;
        }
        sqlite3_free(zConverted);
      }
    }
  }
#elif !SQLITE_OS_WINRT && !defined(__CYGWIN__)
  else if( osIsNT() ){
    char *zMulti;
    LPWSTR zWidePath = sqlite3MallocZero( nMax*sizeof(WCHAR) );
    if( !zWidePath ){
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }







<

<







3961
3962
3963
3964
3965
3966
3967

3968

3969
3970
3971
3972
3973
3974
3975
          sqlite3_free(zUtf8);
          sqlite3_free(zConverted);
          break;
        }
        sqlite3_free(zConverted);
      }
    }

#elif !SQLITE_OS_WINRT && !defined(__CYGWIN__)

    char *zMulti;
    LPWSTR zWidePath = sqlite3MallocZero( nMax*sizeof(WCHAR) );
    if( !zWidePath ){
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
      sqlite3_free(zWidePath);
    }else{
      sqlite3_free(zWidePath);
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    char *zUtf8;
    char *zMbcsPath = sqlite3MallocZero( nMax );
    if( !zMbcsPath ){
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }
    if( osGetTempPathA(nMax, zMbcsPath)==0 ){
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_GETTEMPPATH\n"));
      return winLogError(SQLITE_IOERR_GETTEMPPATH, osGetLastError(),
                         "winGetTempname3", 0);
    }
    zUtf8 = sqlite3_win32_mbcs_to_utf8(zMbcsPath);
    if( zUtf8 ){
      sqlite3_snprintf(nMax, zBuf, "%s", zUtf8);
      sqlite3_free(zUtf8);
    }else{
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }
  }
#endif /* SQLITE_WIN32_HAS_ANSI */
#endif /* !SQLITE_OS_WINRT */

  /*
  ** Check to make sure the temporary directory ends with an appropriate
  ** separator.  If it does not and there is not enough space left to add
  ** one, fail.
  */
  if( !winMakeEndInDirSep(nDir+1, zBuf) ){







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
<
<
<
<
<
<
|
<
<
<







3987
3988
3989
3990
3991
3992
3993

















3994






3995



3996
3997
3998
3999
4000
4001
4002
      sqlite3_free(zWidePath);
    }else{
      sqlite3_free(zWidePath);
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }

















#endif






  }




  /*
  ** Check to make sure the temporary directory ends with an appropriate
  ** separator.  If it does not and there is not enough space left to add
  ** one, fail.
  */
  if( !winMakeEndInDirSep(nDir+1, zBuf) ){
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
** it is something other than a directory, or if there is any kind of memory
** allocation failure.
*/
static int winIsDir(const void *zConverted){
  DWORD attr;
  int rc = 0;
  DWORD lastErrno;

  if( osIsNT() ){
    int cnt = 0;
    WIN32_FILE_ATTRIBUTE_DATA sAttrData;
    memset(&sAttrData, 0, sizeof(sAttrData));
    while( !(rc = osGetFileAttributesExW((LPCWSTR)zConverted,
                             GetFileExInfoStandard,
                             &sAttrData)) && winRetryIoerr(&cnt, &lastErrno) ){}
    if( !rc ){
      return 0; /* Invalid name? */
    }
    attr = sAttrData.dwFileAttributes;
#if SQLITE_OS_WINCE==0
  }else{
    attr = osGetFileAttributesA((char*)zConverted);
#endif
  }
  return (attr!=INVALID_FILE_ATTRIBUTES) && (attr&FILE_ATTRIBUTE_DIRECTORY);
}

/*
** Open a file.
*/
static int winOpen(







<
<
|
|
|
|
|
|
|
|
|
|
<
<
<
<
<







4043
4044
4045
4046
4047
4048
4049


4050
4051
4052
4053
4054
4055
4056
4057
4058
4059





4060
4061
4062
4063
4064
4065
4066
** it is something other than a directory, or if there is any kind of memory
** allocation failure.
*/
static int winIsDir(const void *zConverted){
  DWORD attr;
  int rc = 0;
  DWORD lastErrno;


  int cnt = 0;
  WIN32_FILE_ATTRIBUTE_DATA sAttrData;
  memset(&sAttrData, 0, sizeof(sAttrData));
  while( !(rc = osGetFileAttributesExW((LPCWSTR)zConverted,
                           GetFileExInfoStandard,
                           &sAttrData)) && winRetryIoerr(&cnt, &lastErrno) ){}
  if( !rc ){
    return 0; /* Invalid name? */
  }
  attr = sAttrData.dwFileAttributes;





  return (attr!=INVALID_FILE_ATTRIBUTES) && (attr&FILE_ATTRIBUTE_DIRECTORY);
}

/*
** Open a file.
*/
static int winOpen(
4660
4661
4662
4663
4664
4665
4666
4667

4668
4669
4670
4671
4672
4673
4674
  }
  /* Reports from the internet are that performance is always
  ** better if FILE_FLAG_RANDOM_ACCESS is used.  Ticket #2699. */
#if SQLITE_OS_WINCE
  dwFlagsAndAttributes |= FILE_FLAG_RANDOM_ACCESS;
#endif

  if( osIsNT() ){

#if SQLITE_OS_WINRT
    CREATEFILE2_EXTENDED_PARAMETERS extendedParameters;
    extendedParameters.dwSize = sizeof(CREATEFILE2_EXTENDED_PARAMETERS);
    extendedParameters.dwFileAttributes =
            dwFlagsAndAttributes & FILE_ATTRIBUTE_MASK;
    extendedParameters.dwFileFlags = dwFlagsAndAttributes & FILE_FLAG_MASK;
    extendedParameters.dwSecurityQosFlags = SECURITY_ANONYMOUS;







<
>







4221
4222
4223
4224
4225
4226
4227

4228
4229
4230
4231
4232
4233
4234
4235
  }
  /* Reports from the internet are that performance is always
  ** better if FILE_FLAG_RANDOM_ACCESS is used.  Ticket #2699. */
#if SQLITE_OS_WINCE
  dwFlagsAndAttributes |= FILE_FLAG_RANDOM_ACCESS;
#endif


  {
#if SQLITE_OS_WINRT
    CREATEFILE2_EXTENDED_PARAMETERS extendedParameters;
    extendedParameters.dwSize = sizeof(CREATEFILE2_EXTENDED_PARAMETERS);
    extendedParameters.dwFileAttributes =
            dwFlagsAndAttributes & FILE_ATTRIBUTE_MASK;
    extendedParameters.dwFileFlags = dwFlagsAndAttributes & FILE_FLAG_MASK;
    extendedParameters.dwSecurityQosFlags = SECURITY_ANONYMOUS;
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
4716
                              dwFlagsAndAttributes,
                              NULL))==INVALID_HANDLE_VALUE &&
                              winRetryIoerr(&cnt, &lastErrno) ){
               /* Noop */
    }
#endif
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    while( (h = osCreateFileA((LPCSTR)zConverted,
                              dwDesiredAccess,
                              dwShareMode, NULL,
                              dwCreationDisposition,
                              dwFlagsAndAttributes,
                              NULL))==INVALID_HANDLE_VALUE &&
                              winRetryIoerr(&cnt, &lastErrno) ){
               /* Noop */
    }
  }
#endif
  winLogIoerr(cnt);

  OSTRACE(("OPEN file=%p, name=%s, access=%lx, rc=%s\n", h, zUtf8Name,
           dwDesiredAccess, (h==INVALID_HANDLE_VALUE) ? "failed" : "ok"));

  if( h==INVALID_HANDLE_VALUE ){
    pFile->lastErrno = lastErrno;







<
<
<
<
<
<
<
<
<
<
<
<
<







4251
4252
4253
4254
4255
4256
4257













4258
4259
4260
4261
4262
4263
4264
                              dwFlagsAndAttributes,
                              NULL))==INVALID_HANDLE_VALUE &&
                              winRetryIoerr(&cnt, &lastErrno) ){
               /* Noop */
    }
#endif
  }













  winLogIoerr(cnt);

  OSTRACE(("OPEN file=%p, name=%s, access=%lx, rc=%s\n", h, zUtf8Name,
           dwDesiredAccess, (h==INVALID_HANDLE_VALUE) ? "failed" : "ok"));

  if( h==INVALID_HANDLE_VALUE ){
    pFile->lastErrno = lastErrno;
4810
4811
4812
4813
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4825
4826
4827
4828
4829
4830
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842
4843
4844
4845
4846
4847
4848
4849
4850
4851
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4880
4881
4882
4883
4884
4885
4886
4887
4888
4889
4890
4891
4892
4893
4894
4895
4896
4897
  OSTRACE(("DELETE name=%s, syncDir=%d\n", zFilename, syncDir));

  zConverted = winConvertFromUtf8Filename(zFilename);
  if( zConverted==0 ){
    OSTRACE(("DELETE name=%s, rc=SQLITE_IOERR_NOMEM\n", zFilename));
    return SQLITE_IOERR_NOMEM;
  }
  if( osIsNT() ){
    do {
#if SQLITE_OS_WINRT
      WIN32_FILE_ATTRIBUTE_DATA sAttrData;
      memset(&sAttrData, 0, sizeof(sAttrData));
      if ( osGetFileAttributesExW(zConverted, GetFileExInfoStandard,
                                  &sAttrData) ){
        attr = sAttrData.dwFileAttributes;
      }else{
        lastErrno = osGetLastError();
        if( lastErrno==ERROR_FILE_NOT_FOUND
         || lastErrno==ERROR_PATH_NOT_FOUND ){
          rc = SQLITE_IOERR_DELETE_NOENT; /* Already gone? */
        }else{
          rc = SQLITE_ERROR;
        }
        break;
      }
#else
      attr = osGetFileAttributesW(zConverted);
#endif
      if ( attr==INVALID_FILE_ATTRIBUTES ){
        lastErrno = osGetLastError();
        if( lastErrno==ERROR_FILE_NOT_FOUND
         || lastErrno==ERROR_PATH_NOT_FOUND ){
          rc = SQLITE_IOERR_DELETE_NOENT; /* Already gone? */
        }else{
          rc = SQLITE_ERROR;
        }
        break;
      }
      if ( attr&FILE_ATTRIBUTE_DIRECTORY ){
        rc = SQLITE_ERROR; /* Files only. */
        break;
      }
      if ( osDeleteFileW(zConverted) ){
        rc = SQLITE_OK; /* Deleted OK. */
        break;
      }
      if ( !winRetryIoerr(&cnt, &lastErrno) ){
        rc = SQLITE_ERROR; /* No more retries. */
        break;
      }
    } while(1);
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    do {
      attr = osGetFileAttributesA(zConverted);
      if ( attr==INVALID_FILE_ATTRIBUTES ){
        lastErrno = osGetLastError();
        if( lastErrno==ERROR_FILE_NOT_FOUND
         || lastErrno==ERROR_PATH_NOT_FOUND ){
          rc = SQLITE_IOERR_DELETE_NOENT; /* Already gone? */
        }else{
          rc = SQLITE_ERROR;
        }
        break;
      }
      if ( attr&FILE_ATTRIBUTE_DIRECTORY ){
        rc = SQLITE_ERROR; /* Files only. */
        break;
      }
      if ( osDeleteFileA(zConverted) ){
        rc = SQLITE_OK; /* Deleted OK. */
        break;
      }
      if ( !winRetryIoerr(&cnt, &lastErrno) ){
        rc = SQLITE_ERROR; /* No more retries. */
        break;
      }
    } while(1);
  }
#endif
  if( rc && rc!=SQLITE_IOERR_DELETE_NOENT ){
    rc = winLogError(SQLITE_IOERR_DELETE, lastErrno, "winDelete", zFilename);
  }else{
    winLogIoerr(cnt);
  }
  sqlite3_free(zConverted);
  OSTRACE(("DELETE name=%s, rc=%s\n", zFilename, sqlite3ErrName(rc)));







<
|

|
|
|
|
|
|
|
|
|
|
|
|
|
|
|

|

|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







4358
4359
4360
4361
4362
4363
4364

4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407






























4408
4409
4410
4411
4412
4413
4414
  OSTRACE(("DELETE name=%s, syncDir=%d\n", zFilename, syncDir));

  zConverted = winConvertFromUtf8Filename(zFilename);
  if( zConverted==0 ){
    OSTRACE(("DELETE name=%s, rc=SQLITE_IOERR_NOMEM\n", zFilename));
    return SQLITE_IOERR_NOMEM;
  }

  do {
#if SQLITE_OS_WINRT
    WIN32_FILE_ATTRIBUTE_DATA sAttrData;
    memset(&sAttrData, 0, sizeof(sAttrData));
    if ( osGetFileAttributesExW(zConverted, GetFileExInfoStandard,
                                &sAttrData) ){
      attr = sAttrData.dwFileAttributes;
    }else{
      lastErrno = osGetLastError();
      if( lastErrno==ERROR_FILE_NOT_FOUND
       || lastErrno==ERROR_PATH_NOT_FOUND ){
        rc = SQLITE_IOERR_DELETE_NOENT; /* Already gone? */
      }else{
        rc = SQLITE_ERROR;
      }
      break;
    }
#else
    attr = osGetFileAttributesW(zConverted);
#endif
    if ( attr==INVALID_FILE_ATTRIBUTES ){
      lastErrno = osGetLastError();
      if( lastErrno==ERROR_FILE_NOT_FOUND
       || lastErrno==ERROR_PATH_NOT_FOUND ){
        rc = SQLITE_IOERR_DELETE_NOENT; /* Already gone? */
      }else{
        rc = SQLITE_ERROR;
      }
      break;
    }
    if ( attr&FILE_ATTRIBUTE_DIRECTORY ){
      rc = SQLITE_ERROR; /* Files only. */
      break;
    }
    if ( osDeleteFileW(zConverted) ){
      rc = SQLITE_OK; /* Deleted OK. */
      break;
    }
    if ( !winRetryIoerr(&cnt, &lastErrno) ){
      rc = SQLITE_ERROR; /* No more retries. */
      break;
    }
  } while(1);






























  if( rc && rc!=SQLITE_IOERR_DELETE_NOENT ){
    rc = winLogError(SQLITE_IOERR_DELETE, lastErrno, "winDelete", zFilename);
  }else{
    winLogIoerr(cnt);
  }
  sqlite3_free(zConverted);
  OSTRACE(("DELETE name=%s, rc=%s\n", zFilename, sqlite3ErrName(rc)));
4907
4908
4909
4910
4911
4912
4913


4914
4915
4916
4917
4918
4919
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
4935
4936
4937
4938
4939
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
  int flags,                 /* Type of test to make on this file */
  int *pResOut               /* OUT: Result */
){
  DWORD attr;
  int rc = 0;
  DWORD lastErrno = 0;
  void *zConverted;


  UNUSED_PARAMETER(pVfs);

  SimulateIOError( return SQLITE_IOERR_ACCESS; );
  OSTRACE(("ACCESS name=%s, flags=%x, pResOut=%p\n",
           zFilename, flags, pResOut));

  zConverted = winConvertFromUtf8Filename(zFilename);
  if( zConverted==0 ){
    OSTRACE(("ACCESS name=%s, rc=SQLITE_IOERR_NOMEM\n", zFilename));
    return SQLITE_IOERR_NOMEM;
  }
  if( osIsNT() ){
    int cnt = 0;
    WIN32_FILE_ATTRIBUTE_DATA sAttrData;
    memset(&sAttrData, 0, sizeof(sAttrData));
    while( !(rc = osGetFileAttributesExW((LPCWSTR)zConverted,
                             GetFileExInfoStandard,
                             &sAttrData)) && winRetryIoerr(&cnt, &lastErrno) ){}
    if( rc ){
      /* For an SQLITE_ACCESS_EXISTS query, treat a zero-length file
      ** as if it does not exist.
      */
      if(    flags==SQLITE_ACCESS_EXISTS
          && sAttrData.nFileSizeHigh==0
          && sAttrData.nFileSizeLow==0 ){
        attr = INVALID_FILE_ATTRIBUTES;
      }else{
        attr = sAttrData.dwFileAttributes;
      }
    }else{
      winLogIoerr(cnt);
      if( lastErrno!=ERROR_FILE_NOT_FOUND && lastErrno!=ERROR_PATH_NOT_FOUND ){
        sqlite3_free(zConverted);
        return winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess",
                           zFilename);
      }else{
        attr = INVALID_FILE_ATTRIBUTES;
      }
    }
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    attr = osGetFileAttributesA((char*)zConverted);
  }
#endif
  sqlite3_free(zConverted);
  switch( flags ){
    case SQLITE_ACCESS_READ:
    case SQLITE_ACCESS_EXISTS:
      rc = attr!=INVALID_FILE_ATTRIBUTES;
      break;
    case SQLITE_ACCESS_READWRITE:







>
>











<
<
<
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
<
<
<
<
<







4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443



4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468






4469
4470
4471
4472
4473
4474
4475
  int flags,                 /* Type of test to make on this file */
  int *pResOut               /* OUT: Result */
){
  DWORD attr;
  int rc = 0;
  DWORD lastErrno = 0;
  void *zConverted;
  int cnt = 0;
  WIN32_FILE_ATTRIBUTE_DATA sAttrData;
  UNUSED_PARAMETER(pVfs);

  SimulateIOError( return SQLITE_IOERR_ACCESS; );
  OSTRACE(("ACCESS name=%s, flags=%x, pResOut=%p\n",
           zFilename, flags, pResOut));

  zConverted = winConvertFromUtf8Filename(zFilename);
  if( zConverted==0 ){
    OSTRACE(("ACCESS name=%s, rc=SQLITE_IOERR_NOMEM\n", zFilename));
    return SQLITE_IOERR_NOMEM;
  }



  memset(&sAttrData, 0, sizeof(sAttrData));
  while( !(rc = osGetFileAttributesExW((LPCWSTR)zConverted,
                           GetFileExInfoStandard,
                           &sAttrData)) && winRetryIoerr(&cnt, &lastErrno) ){}
  if( rc ){
    /* For an SQLITE_ACCESS_EXISTS query, treat a zero-length file
    ** as if it does not exist.
    */
    if(    flags==SQLITE_ACCESS_EXISTS
        && sAttrData.nFileSizeHigh==0
        && sAttrData.nFileSizeLow==0 ){
      attr = INVALID_FILE_ATTRIBUTES;
    }else{
      attr = sAttrData.dwFileAttributes;
    }
  }else{
    winLogIoerr(cnt);
    if( lastErrno!=ERROR_FILE_NOT_FOUND && lastErrno!=ERROR_PATH_NOT_FOUND ){
      sqlite3_free(zConverted);
      return winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess",
                         zFilename);
    }else{
      attr = INVALID_FILE_ATTRIBUTES;
    }
  }






  sqlite3_free(zConverted);
  switch( flags ){
    case SQLITE_ACCESS_READ:
    case SQLITE_ACCESS_EXISTS:
      rc = attr!=INVALID_FILE_ATTRIBUTES;
      break;
    case SQLITE_ACCESS_READWRITE:
5045
5046
5047
5048
5049
5050
5051
5052
5053
5054
5055
5056
5057
5058
5059
5060
5061
5062
5063
5064
5065
5066
5067
5068
5069
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
    **       for converting the relative path name to an absolute
    **       one by prepending the data directory and a slash.
    */
    char *zOut = sqlite3MallocZero( pVfs->mxPathname+1 );
    if( !zOut ){
      return SQLITE_IOERR_NOMEM;
    }
    if( cygwin_conv_path(
            (osIsNT() ? CCP_POSIX_TO_WIN_W : CCP_POSIX_TO_WIN_A) |
            CCP_RELATIVE, zRelative, zOut, pVfs->mxPathname+1)<0 ){
      sqlite3_free(zOut);
      return winLogError(SQLITE_CANTOPEN_CONVPATH, (DWORD)errno,
                         "winFullPathname1", zRelative);
    }else{
      char *zUtf8 = winConvertToUtf8Filename(zOut);
      if( !zUtf8 ){
        sqlite3_free(zOut);
        return SQLITE_IOERR_NOMEM;
      }
      sqlite3_snprintf(MIN(nFull, pVfs->mxPathname), zFull, "%s%c%s",
                       sqlite3_data_directory, winGetDirSep(), zUtf8);
      sqlite3_free(zUtf8);
      sqlite3_free(zOut);
    }
  }else{
    char *zOut = sqlite3MallocZero( pVfs->mxPathname+1 );
    if( !zOut ){
      return SQLITE_IOERR_NOMEM;
    }
    if( cygwin_conv_path(
            (osIsNT() ? CCP_POSIX_TO_WIN_W : CCP_POSIX_TO_WIN_A),
            zRelative, zOut, pVfs->mxPathname+1)<0 ){
      sqlite3_free(zOut);
      return winLogError(SQLITE_CANTOPEN_CONVPATH, (DWORD)errno,
                         "winFullPathname2", zRelative);
    }else{
      char *zUtf8 = winConvertToUtf8Filename(zOut);
      if( !zUtf8 ){







|
<
|



















|
<







4555
4556
4557
4558
4559
4560
4561
4562

4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583

4584
4585
4586
4587
4588
4589
4590
    **       for converting the relative path name to an absolute
    **       one by prepending the data directory and a slash.
    */
    char *zOut = sqlite3MallocZero( pVfs->mxPathname+1 );
    if( !zOut ){
      return SQLITE_IOERR_NOMEM;
    }
    if( cygwin_conv_path(CCP_POSIX_TO_WIN_W|CCP_RELATIVE,

                         zRelative, zOut, pVfs->mxPathname+1)<0 ){
      sqlite3_free(zOut);
      return winLogError(SQLITE_CANTOPEN_CONVPATH, (DWORD)errno,
                         "winFullPathname1", zRelative);
    }else{
      char *zUtf8 = winConvertToUtf8Filename(zOut);
      if( !zUtf8 ){
        sqlite3_free(zOut);
        return SQLITE_IOERR_NOMEM;
      }
      sqlite3_snprintf(MIN(nFull, pVfs->mxPathname), zFull, "%s%c%s",
                       sqlite3_data_directory, winGetDirSep(), zUtf8);
      sqlite3_free(zUtf8);
      sqlite3_free(zOut);
    }
  }else{
    char *zOut = sqlite3MallocZero( pVfs->mxPathname+1 );
    if( !zOut ){
      return SQLITE_IOERR_NOMEM;
    }
    if( cygwin_conv_path(CCP_POSIX_TO_WIN_W,

            zRelative, zOut, pVfs->mxPathname+1)<0 ){
      sqlite3_free(zOut);
      return winLogError(SQLITE_CANTOPEN_CONVPATH, (DWORD)errno,
                         "winFullPathname2", zRelative);
    }else{
      char *zUtf8 = winConvertToUtf8Filename(zOut);
      if( !zUtf8 ){
5110
5111
5112
5113
5114
5115
5116

5117
5118
5119
5120
5121
5122
5123
  return SQLITE_OK;
#endif

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && !defined(__CYGWIN__)
  DWORD nByte;
  void *zConverted;
  char *zOut;


  /* If this path name begins with "/X:", where "X" is any alphabetic
  ** character, discard the initial "/" from the pathname.
  */
  if( zRelative[0]=='/' && winIsDriveLetterAndColon(zRelative+1) ){
    zRelative++;
  }







>







4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
4628
4629
4630
4631
4632
  return SQLITE_OK;
#endif

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && !defined(__CYGWIN__)
  DWORD nByte;
  void *zConverted;
  char *zOut;
  LPWSTR zTemp;

  /* If this path name begins with "/X:", where "X" is any alphabetic
  ** character, discard the initial "/" from the pathname.
  */
  if( zRelative[0]=='/' && winIsDriveLetterAndColon(zRelative+1) ){
    zRelative++;
  }
5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
5149
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
5171
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
5196
5197
5198
5199
5200
5201
5202
5203
5204
                     sqlite3_data_directory, winGetDirSep(), zRelative);
    return SQLITE_OK;
  }
  zConverted = winConvertFromUtf8Filename(zRelative);
  if( zConverted==0 ){
    return SQLITE_IOERR_NOMEM;
  }
  if( osIsNT() ){
    LPWSTR zTemp;
    nByte = osGetFullPathNameW((LPCWSTR)zConverted, 0, 0, 0);
    if( nByte==0 ){
      sqlite3_free(zConverted);
      return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                         "winFullPathname1", zRelative);
    }
    nByte += 3;
    zTemp = sqlite3MallocZero( nByte*sizeof(zTemp[0]) );
    if( zTemp==0 ){
      sqlite3_free(zConverted);
      return SQLITE_IOERR_NOMEM;
    }
    nByte = osGetFullPathNameW((LPCWSTR)zConverted, nByte, zTemp, 0);
    if( nByte==0 ){
      sqlite3_free(zConverted);
      sqlite3_free(zTemp);
      return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                         "winFullPathname2", zRelative);
    }
    sqlite3_free(zConverted);
    zOut = winUnicodeToUtf8(zTemp);
    sqlite3_free(zTemp);
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    char *zTemp;
    nByte = osGetFullPathNameA((char*)zConverted, 0, 0, 0);
    if( nByte==0 ){
      sqlite3_free(zConverted);
      return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                         "winFullPathname3", zRelative);
    }
    nByte += 3;
    zTemp = sqlite3MallocZero( nByte*sizeof(zTemp[0]) );
    if( zTemp==0 ){
      sqlite3_free(zConverted);
      return SQLITE_IOERR_NOMEM;
    }
    nByte = osGetFullPathNameA((char*)zConverted, nByte, zTemp, 0);
    if( nByte==0 ){
      sqlite3_free(zConverted);
      sqlite3_free(zTemp);
      return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                         "winFullPathname4", zRelative);
    }
    sqlite3_free(zConverted);
    zOut = sqlite3_win32_mbcs_to_utf8(zTemp);
    sqlite3_free(zTemp);
  }
#endif
  if( zOut ){
    sqlite3_snprintf(MIN(nFull, pVfs->mxPathname), zFull, "%s", zOut);
    sqlite3_free(zOut);
    return SQLITE_OK;
  }else{
    return SQLITE_IOERR_NOMEM;
  }







<
<
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







4648
4649
4650
4651
4652
4653
4654


4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676




























4677
4678
4679
4680
4681
4682
4683
                     sqlite3_data_directory, winGetDirSep(), zRelative);
    return SQLITE_OK;
  }
  zConverted = winConvertFromUtf8Filename(zRelative);
  if( zConverted==0 ){
    return SQLITE_IOERR_NOMEM;
  }


  nByte = osGetFullPathNameW((LPCWSTR)zConverted, 0, 0, 0);
  if( nByte==0 ){
    sqlite3_free(zConverted);
    return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                       "winFullPathname1", zRelative);
  }
  nByte += 3;
  zTemp = sqlite3MallocZero( nByte*sizeof(zTemp[0]) );
  if( zTemp==0 ){
    sqlite3_free(zConverted);
    return SQLITE_IOERR_NOMEM;
  }
  nByte = osGetFullPathNameW((LPCWSTR)zConverted, nByte, zTemp, 0);
  if( nByte==0 ){
    sqlite3_free(zConverted);
    sqlite3_free(zTemp);
    return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                       "winFullPathname2", zRelative);
  }
  sqlite3_free(zConverted);
  zOut = winUnicodeToUtf8(zTemp);
  sqlite3_free(zTemp);




























  if( zOut ){
    sqlite3_snprintf(MIN(nFull, pVfs->mxPathname), zFull, "%s", zOut);
    sqlite3_free(zOut);
    return SQLITE_OK;
  }else{
    return SQLITE_IOERR_NOMEM;
  }
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
5245
5246
5247
5248
5249
5250
5251
5252
5253
5254
5255
  void *zConverted = winConvertFromUtf8Filename(zFilename);
  UNUSED_PARAMETER(pVfs);
#endif
  if( zConverted==0 ){
    OSTRACE(("DLOPEN name=%s, handle=%p\n", zFilename, (void*)0));
    return 0;
  }
  if( osIsNT() ){
#if SQLITE_OS_WINRT
    h = osLoadPackagedLibrary((LPCWSTR)zConverted, 0);
#else
    h = osLoadLibraryW((LPCWSTR)zConverted);
#endif
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    h = osLoadLibraryA((char*)zConverted);
  }
#endif
  OSTRACE(("DLOPEN name=%s, handle=%p\n", zFilename, (void*)h));
  sqlite3_free(zConverted);
  return (void*)h;
}
static void winDlError(sqlite3_vfs *pVfs, int nBuf, char *zBufOut){
  UNUSED_PARAMETER(pVfs);







<

|

|
<
<
<
<
<
<







4710
4711
4712
4713
4714
4715
4716

4717
4718
4719
4720






4721
4722
4723
4724
4725
4726
4727
  void *zConverted = winConvertFromUtf8Filename(zFilename);
  UNUSED_PARAMETER(pVfs);
#endif
  if( zConverted==0 ){
    OSTRACE(("DLOPEN name=%s, handle=%p\n", zFilename, (void*)0));
    return 0;
  }

#if SQLITE_OS_WINRT
  h = osLoadPackagedLibrary((LPCWSTR)zConverted, 0);
#else
  h = osLoadLibraryW((LPCWSTR)zConverted);






#endif
  OSTRACE(("DLOPEN name=%s, handle=%p\n", zFilename, (void*)h));
  sqlite3_free(zConverted);
  return (void*)h;
}
static void winDlError(sqlite3_vfs *pVfs, int nBuf, char *zBufOut){
  UNUSED_PARAMETER(pVfs);
5461
5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
    winCurrentTime,      /* xCurrentTime */
    winGetLastError,     /* xGetLastError */
    winCurrentTimeInt64, /* xCurrentTimeInt64 */
    winSetSystemCall,    /* xSetSystemCall */
    winGetSystemCall,    /* xGetSystemCall */
    winNextSystemCall,   /* xNextSystemCall */
  };
#if defined(SQLITE_WIN32_HAS_WIDE)
  static sqlite3_vfs winLongPathVfs = {
    3,                   /* iVersion */
    sizeof(winFile),     /* szOsFile */
    SQLITE_WINNT_MAX_PATH_BYTES, /* mxPathname */
    0,                   /* pNext */
    "win32-longpath",    /* zName */
    0,                   /* pAppData */







<







4933
4934
4935
4936
4937
4938
4939

4940
4941
4942
4943
4944
4945
4946
    winCurrentTime,      /* xCurrentTime */
    winGetLastError,     /* xGetLastError */
    winCurrentTimeInt64, /* xCurrentTimeInt64 */
    winSetSystemCall,    /* xSetSystemCall */
    winGetSystemCall,    /* xGetSystemCall */
    winNextSystemCall,   /* xNextSystemCall */
  };

  static sqlite3_vfs winLongPathVfs = {
    3,                   /* iVersion */
    sizeof(winFile),     /* szOsFile */
    SQLITE_WINNT_MAX_PATH_BYTES, /* mxPathname */
    0,                   /* pNext */
    "win32-longpath",    /* zName */
    0,                   /* pAppData */
5486
5487
5488
5489
5490
5491
5492
5493
5494
5495
5496
5497
5498
5499
5500
5501
5502
5503
5504
5505
5506
5507
5508
5509
5510
5511
5512
5513
5514
5515
5516
5517
5518
5519
5520
    winCurrentTime,      /* xCurrentTime */
    winGetLastError,     /* xGetLastError */
    winCurrentTimeInt64, /* xCurrentTimeInt64 */
    winSetSystemCall,    /* xSetSystemCall */
    winGetSystemCall,    /* xGetSystemCall */
    winNextSystemCall,   /* xNextSystemCall */
  };
#endif

  /* Double-check that the aSyscall[] array has been constructed
  ** correctly.  See ticket [bb3a86e890c8e96ab] */
  assert( ArraySize(aSyscall)==77 );

  /* get memory map allocation granularity */
  memset(&winSysInfo, 0, sizeof(SYSTEM_INFO));
#if SQLITE_OS_WINRT
  osGetNativeSystemInfo(&winSysInfo);
#else
  osGetSystemInfo(&winSysInfo);
#endif
  assert( winSysInfo.dwAllocationGranularity>0 );
  assert( winSysInfo.dwPageSize>0 );

  sqlite3_vfs_register(&winVfs, 1);

#if defined(SQLITE_WIN32_HAS_WIDE)
  sqlite3_vfs_register(&winLongPathVfs, 0);
#endif

  return SQLITE_OK;
}

int sqlite3_os_end(void){
#if SQLITE_OS_WINRT
  if( sleepObj!=NULL ){







<



|












<
<

<







4957
4958
4959
4960
4961
4962
4963

4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979


4980

4981
4982
4983
4984
4985
4986
4987
    winCurrentTime,      /* xCurrentTime */
    winGetLastError,     /* xGetLastError */
    winCurrentTimeInt64, /* xCurrentTimeInt64 */
    winSetSystemCall,    /* xSetSystemCall */
    winGetSystemCall,    /* xGetSystemCall */
    winNextSystemCall,   /* xNextSystemCall */
  };


  /* Double-check that the aSyscall[] array has been constructed
  ** correctly.  See ticket [bb3a86e890c8e96ab] */
  assert( ArraySize(aSyscall)==65 );

  /* get memory map allocation granularity */
  memset(&winSysInfo, 0, sizeof(SYSTEM_INFO));
#if SQLITE_OS_WINRT
  osGetNativeSystemInfo(&winSysInfo);
#else
  osGetSystemInfo(&winSysInfo);
#endif
  assert( winSysInfo.dwAllocationGranularity>0 );
  assert( winSysInfo.dwPageSize>0 );

  sqlite3_vfs_register(&winVfs, 1);


  sqlite3_vfs_register(&winLongPathVfs, 0);


  return SQLITE_OK;
}

int sqlite3_os_end(void){
#if SQLITE_OS_WINRT
  if( sleepObj!=NULL ){