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6158 lines (5577 loc) · 195 KB
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/*
** 2004 May 22
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
******************************************************************************
**
** This file contains code that is specific to Windows.
*/
#include "sqliteInt.h"
#if SQLITE_OS_WIN /* This file is used for Windows only */
/*
** Include code that is common to all os_*.c files
*/
#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
#if !SQLITE_OS_WINNT && SQLITE_MAX_MMAP_SIZE>0
# error "Memory mapped files require support from the Windows NT kernel,\
compile with SQLITE_MAX_MMAP_SIZE=0."
#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
#ifndef NTDDI_WINTHRESHOLD
# define NTDDI_WINTHRESHOLD 0x06040000
#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
/*
** Check to see if the CreateFileMappingA function is supported on the
** target system. It is unavailable when using "mincore.lib" on Win10.
** When compiling for Windows 10, always assume "mincore.lib" is in use.
*/
#ifndef SQLITE_WIN32_CREATEFILEMAPPINGA
# if defined(NTDDI_VERSION) && NTDDI_VERSION >= NTDDI_WINTHRESHOLD
# define SQLITE_WIN32_CREATEFILEMAPPINGA 0
# else
# define SQLITE_WIN32_CREATEFILEMAPPINGA 1
# endif
#endif
/*
** This constant should already be defined (in the "WinDef.h" SDK file).
*/
#ifndef MAX_PATH
# define MAX_PATH (260)
#endif
/*
** Maximum pathname length (in chars) for Win32. This should normally be
** MAX_PATH.
*/
#ifndef SQLITE_WIN32_MAX_PATH_CHARS
# define SQLITE_WIN32_MAX_PATH_CHARS (MAX_PATH)
#endif
/*
** This constant should already be defined (in the "WinNT.h" SDK file).
*/
#ifndef UNICODE_STRING_MAX_CHARS
# define UNICODE_STRING_MAX_CHARS (32767)
#endif
/*
** Maximum pathname length (in chars) for WinNT. This should normally be
** UNICODE_STRING_MAX_CHARS.
*/
#ifndef SQLITE_WINNT_MAX_PATH_CHARS
# define SQLITE_WINNT_MAX_PATH_CHARS (UNICODE_STRING_MAX_CHARS)
#endif
/*
** Maximum pathname length (in bytes) for Win32. The MAX_PATH macro is in
** characters, so we allocate 4 bytes per character assuming worst-case of
** 4-bytes-per-character for UTF8.
*/
#ifndef SQLITE_WIN32_MAX_PATH_BYTES
# define SQLITE_WIN32_MAX_PATH_BYTES (SQLITE_WIN32_MAX_PATH_CHARS*4)
#endif
/*
** Maximum pathname length (in bytes) for WinNT. This should normally be
** UNICODE_STRING_MAX_CHARS * sizeof(WCHAR).
*/
#ifndef SQLITE_WINNT_MAX_PATH_BYTES
# define SQLITE_WINNT_MAX_PATH_BYTES \
(sizeof(WCHAR) * SQLITE_WINNT_MAX_PATH_CHARS)
#endif
/*
** Maximum error message length (in chars) for WinRT.
*/
#ifndef SQLITE_WIN32_MAX_ERRMSG_CHARS
# define SQLITE_WIN32_MAX_ERRMSG_CHARS (1024)
#endif
/*
** Returns non-zero if the character should be treated as a directory
** separator.
*/
#ifndef winIsDirSep
# define winIsDirSep(a) (((a) == '/') || ((a) == '\\'))
#endif
/*
** This macro is used when a local variable is set to a value that is
** [sometimes] not used by the code (e.g. via conditional compilation).
*/
#ifndef UNUSED_VARIABLE_VALUE
# define UNUSED_VARIABLE_VALUE(x) (void)(x)
#endif
/*
** Returns the character that should be used as the directory separator.
*/
#ifndef winGetDirSep
# define winGetDirSep() '\\'
#endif
/*
** Do we need to manually define the Win32 file mapping APIs for use with WAL
** mode or memory mapped files (e.g. these APIs are available in the Windows
** CE SDK; however, they are not present in the header file)?
*/
#if SQLITE_WIN32_FILEMAPPING_API && \
(!defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0)
/*
** 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 */
/*
** These file mapping APIs are common to both Win32 and WinRT.
*/
WINBASEAPI BOOL WINAPI FlushViewOfFile(LPCVOID, SIZE_T);
WINBASEAPI BOOL WINAPI UnmapViewOfFile(LPCVOID);
#endif /* SQLITE_WIN32_FILEMAPPING_API */
/*
** Some Microsoft compilers lack this definition.
*/
#ifndef INVALID_FILE_ATTRIBUTES
# define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
#endif
#ifndef FILE_FLAG_MASK
# define FILE_FLAG_MASK (0xFF3C0000)
#endif
#ifndef FILE_ATTRIBUTE_MASK
# define FILE_ATTRIBUTE_MASK (0x0003FFF7)
#endif
#ifndef SQLITE_OMIT_WAL
/* Forward references to structures used for WAL */
typedef struct winShm winShm; /* A connection to shared-memory */
typedef struct winShmNode winShmNode; /* A region of shared-memory */
#endif
/*
** WinCE lacks native support for file locking so we have to fake it
** with some code of our own.
*/
#if SQLITE_OS_WINCE
typedef struct winceLock {
int nReaders; /* Number of reader locks obtained */
BOOL bPending; /* Indicates a pending lock has been obtained */
BOOL bReserved; /* Indicates a reserved lock has been obtained */
BOOL bExclusive; /* Indicates an exclusive lock has been obtained */
} winceLock;
#endif
/*
** The winFile structure is a subclass of sqlite3_file* specific to the win32
** portability layer.
*/
typedef struct winFile winFile;
struct winFile {
const sqlite3_io_methods *pMethod; /*** Must be first ***/
sqlite3_vfs *pVfs; /* The VFS used to open this file */
HANDLE h; /* Handle for accessing the file */
u8 locktype; /* Type of lock currently held on this file */
short sharedLockByte; /* Randomly chosen byte used as a shared lock */
u8 ctrlFlags; /* Flags. See WINFILE_* below */
DWORD lastErrno; /* The Windows errno from the last I/O error */
#ifndef SQLITE_OMIT_WAL
winShm *pShm; /* Instance of shared memory on this file */
#endif
const char *zPath; /* Full pathname of this file */
int szChunk; /* Chunk size configured by FCNTL_CHUNK_SIZE */
#if SQLITE_OS_WINCE
LPWSTR zDeleteOnClose; /* Name of file to delete when closing */
HANDLE hMutex; /* Mutex used to control access to shared lock */
HANDLE hShared; /* Shared memory segment used for locking */
winceLock local; /* Locks obtained by this instance of winFile */
winceLock *shared; /* Global shared lock memory for the file */
#endif
#if SQLITE_MAX_MMAP_SIZE>0
int nFetchOut; /* Number of outstanding xFetch references */
HANDLE hMap; /* Handle for accessing memory mapping */
void *pMapRegion; /* Area memory mapped */
sqlite3_int64 mmapSize; /* Size of mapped region */
sqlite3_int64 mmapSizeMax; /* Configured FCNTL_MMAP_SIZE value */
#endif
};
/*
** The winVfsAppData structure is used for the pAppData member for all of the
** Win32 VFS variants.
*/
typedef struct winVfsAppData winVfsAppData;
struct winVfsAppData {
const sqlite3_io_methods *pMethod; /* The file I/O methods to use. */
void *pAppData; /* The extra pAppData, if any. */
BOOL bNoLock; /* Non-zero if locking is disabled. */
};
/*
** Allowed values for winFile.ctrlFlags
*/
#define WINFILE_RDONLY 0x02 /* Connection is read only */
#define WINFILE_PERSIST_WAL 0x04 /* Persistent WAL mode */
#define WINFILE_PSOW 0x10 /* SQLITE_IOCAP_POWERSAFE_OVERWRITE */
/*
* The size of the buffer used by sqlite3_win32_write_debug().
*/
#ifndef SQLITE_WIN32_DBG_BUF_SIZE
# define SQLITE_WIN32_DBG_BUF_SIZE ((int)(4096-sizeof(DWORD)))
#endif
/*
* If compiled with SQLITE_WIN32_MALLOC on Windows, we will use the
* various Win32 API heap functions instead of our own.
*/
#ifdef SQLITE_WIN32_MALLOC
/*
* If this is non-zero, an isolated heap will be created by the native Win32
* allocator subsystem; otherwise, the default process heap will be used. This
* setting has no effect when compiling for WinRT. By default, this is enabled
* and an isolated heap will be created to store all allocated data.
*
******************************************************************************
* WARNING: It is important to note that when this setting is non-zero and the
* winMemShutdown function is called (e.g. by the sqlite3_shutdown
* function), all data that was allocated using the isolated heap will
* be freed immediately and any attempt to access any of that freed
* data will almost certainly result in an immediate access violation.
******************************************************************************
*/
#ifndef SQLITE_WIN32_HEAP_CREATE
# define SQLITE_WIN32_HEAP_CREATE (TRUE)
#endif
/*
* This is the maximum possible initial size of the Win32-specific heap, in
* bytes.
*/
#ifndef SQLITE_WIN32_HEAP_MAX_INIT_SIZE
# define SQLITE_WIN32_HEAP_MAX_INIT_SIZE (4294967295U)
#endif
/*
* This is the extra space for the initial size of the Win32-specific heap,
* in bytes. This value may be zero.
*/
#ifndef SQLITE_WIN32_HEAP_INIT_EXTRA
# define SQLITE_WIN32_HEAP_INIT_EXTRA (4194304)
#endif
/*
* Calculate the maximum legal cache size, in pages, based on the maximum
* possible initial heap size and the default page size, setting aside the
* needed extra space.
*/
#ifndef SQLITE_WIN32_MAX_CACHE_SIZE
# define SQLITE_WIN32_MAX_CACHE_SIZE (((SQLITE_WIN32_HEAP_MAX_INIT_SIZE) - \
(SQLITE_WIN32_HEAP_INIT_EXTRA)) / \
(SQLITE_DEFAULT_PAGE_SIZE))
#endif
/*
* This is cache size used in the calculation of the initial size of the
* Win32-specific heap. It cannot be negative.
*/
#ifndef SQLITE_WIN32_CACHE_SIZE
# if SQLITE_DEFAULT_CACHE_SIZE>=0
# define SQLITE_WIN32_CACHE_SIZE (SQLITE_DEFAULT_CACHE_SIZE)
# else
# define SQLITE_WIN32_CACHE_SIZE (-(SQLITE_DEFAULT_CACHE_SIZE))
# endif
#endif
/*
* Make sure that the calculated cache size, in pages, cannot cause the
* initial size of the Win32-specific heap to exceed the maximum amount
* of memory that can be specified in the call to HeapCreate.
*/
#if SQLITE_WIN32_CACHE_SIZE>SQLITE_WIN32_MAX_CACHE_SIZE
# undef SQLITE_WIN32_CACHE_SIZE
# define SQLITE_WIN32_CACHE_SIZE (2000)
#endif
/*
* The initial size of the Win32-specific heap. This value may be zero.
*/
#ifndef SQLITE_WIN32_HEAP_INIT_SIZE
# define SQLITE_WIN32_HEAP_INIT_SIZE ((SQLITE_WIN32_CACHE_SIZE) * \
(SQLITE_DEFAULT_PAGE_SIZE) + \
(SQLITE_WIN32_HEAP_INIT_EXTRA))
#endif
/*
* The maximum size of the Win32-specific heap. This value may be zero.
*/
#ifndef SQLITE_WIN32_HEAP_MAX_SIZE
# define SQLITE_WIN32_HEAP_MAX_SIZE (0)
#endif
/*
* The extra flags to use in calls to the Win32 heap APIs. This value may be
* zero for the default behavior.
*/
#ifndef SQLITE_WIN32_HEAP_FLAGS
# define SQLITE_WIN32_HEAP_FLAGS (0)
#endif
/*
** The winMemData structure stores information required by the Win32-specific
** sqlite3_mem_methods implementation.
*/
typedef struct winMemData winMemData;
struct winMemData {
#ifndef NDEBUG
u32 magic1; /* Magic number to detect structure corruption. */
#endif
HANDLE hHeap; /* The handle to our heap. */
BOOL bOwned; /* Do we own the heap (i.e. destroy it on shutdown)? */
#ifndef NDEBUG
u32 magic2; /* Magic number to detect structure corruption. */
#endif
};
#ifndef NDEBUG
#define WINMEM_MAGIC1 0x42b2830b
#define WINMEM_MAGIC2 0xbd4d7cf4
#endif
static struct winMemData win_mem_data = {
#ifndef NDEBUG
WINMEM_MAGIC1,
#endif
NULL, FALSE
#ifndef NDEBUG
,WINMEM_MAGIC2
#endif
};
#ifndef NDEBUG
#define winMemAssertMagic1() assert( win_mem_data.magic1==WINMEM_MAGIC1 )
#define winMemAssertMagic2() assert( win_mem_data.magic2==WINMEM_MAGIC2 )
#define winMemAssertMagic() winMemAssertMagic1(); winMemAssertMagic2();
#else
#define winMemAssertMagic()
#endif
#define winMemGetDataPtr() &win_mem_data
#define winMemGetHeap() win_mem_data.hHeap
#define winMemGetOwned() win_mem_data.bOwned
static void *winMemMalloc(int nBytes);
static void winMemFree(void *pPrior);
static void *winMemRealloc(void *pPrior, int nBytes);
static int winMemSize(void *p);
static int winMemRoundup(int n);
static int winMemInit(void *pAppData);
static void winMemShutdown(void *pAppData);
const sqlite3_mem_methods *sqlite3MemGetWin32(void);
#endif /* SQLITE_WIN32_MALLOC */
/*
** The following variable is (normally) set once and never changes
** thereafter. It records whether the operating system is Win9x
** or WinNT.
**
** 0: Operating system unknown.
** 1: Operating system is Win9x.
** 2: Operating system is WinNT.
**
** In order to facilitate testing on a WinNT system, the test fixture
** can manually set this value to 1 to emulate Win98 behavior.
*/
#ifdef SQLITE_TEST
LONG SQLITE_WIN32_VOLATILE sqlite3_os_type = 0;
#else
static LONG SQLITE_WIN32_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) || SQLITE_MAX_MMAP_SIZE>0) && \
SQLITE_WIN32_CREATEFILEMAPPINGA
{ "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) || SQLITE_MAX_MMAP_SIZE>0))
{ "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) && 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) && \
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) || SQLITE_MAX_MMAP_SIZE>0))
{ "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) || SQLITE_MAX_MMAP_SIZE>0
{ "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