winFile *pFile = (winFile*)id;

  assert( id!=0 );
  assert( pFile->pShm==0 );
  OSTRACE(("CLOSE %d\n", pFile->h));
  do{
    rc = CloseHandle(pFile->h);

  }while( rc==0 && ++cnt < MX_CLOSE_ATTEMPT && (Sleep(100), 1) );
#if SQLITE_OS_WINCE
#define WINCE_DELETION_ATTEMPTS 3
  winceDestroyLock(pFile);
  if( pFile->zDeleteOnClose ){
    int cnt = 0;
    while(
................................................................................
int sqlite3_fullsync_count = 0;
#endif

/*
** Make sure all writes to a particular file are committed to disk.
*/
static int winSync(sqlite3_file *id, int flags){
#ifndef SQLITE_NO_SYNC
  winFile *pFile = (winFile*)id;

  assert( id!=0 );
  OSTRACE(("SYNC %d lock=%d\n", pFile->h, pFile->locktype));
#else
  UNUSED_PARAMETER(id);
#endif









#ifndef SQLITE_TEST
  UNUSED_PARAMETER(flags);
#else
  if( flags & SQLITE_SYNC_FULL ){
    sqlite3_fullsync_count++;
  }
  sqlite3_sync_count++;
#endif







  /* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a
  ** no-op
  */
#ifdef SQLITE_NO_SYNC
    return SQLITE_OK;
#else
  if( FlushFileBuffers(pFile->h) ){
    return SQLITE_OK;
  }else{
    pFile->lastErrno = GetLastError();
    return SQLITE_IOERR;
  }
................................................................................
** file by this or any other process. If such a lock is held, return
** non-zero, otherwise zero.
*/
static int winCheckReservedLock(sqlite3_file *id, int *pResOut){
  int rc;
  winFile *pFile = (winFile*)id;



  assert( id!=0 );
  if( pFile->locktype>=RESERVED_LOCK ){
    rc = 1;
    OSTRACE(("TEST WR-LOCK %d %d (local)\n", pFile->h, rc));
  }else{
    rc = LockFile(pFile->h, RESERVED_BYTE, 0, 1, 0);
    if( rc ){
................................................................................
    }
    case SQLITE_LAST_ERRNO: {
      *(int*)pArg = (int)((winFile*)id)->lastErrno;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_SIZE_HINT: {
      sqlite3_int64 sz = *(sqlite3_int64*)pArg;

      winTruncate(id, sz);

      return SQLITE_OK;
    }
  }
  return SQLITE_ERROR;
}

/*
................................................................................
    if( p->nRef==0 ){
      int i;
      if( p->mutex ) sqlite3_mutex_free(p->mutex);
      for(i=0; i<p->nRegion; i++){
        UnmapViewOfFile(p->aRegion[i].pMap);
        CloseHandle(p->aRegion[i].hMap);
      }
      if( p->hFile.h != INVALID_HANDLE_VALUE ) {

        winClose((sqlite3_file *)&p->hFile);

      }


      if( deleteFlag ) winDelete(pVfs, p->zFilename, 0);


      *pp = p->pNext;
      sqlite3_free(p->aRegion);
      sqlite3_free(p);
    }else{
      pp = &p->pNext;
    }
  }
................................................................................
static int getTempname(int nBuf, char *zBuf){
  static char zChars[] =
    "abcdefghijklmnopqrstuvwxyz"
    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    "0123456789";
  size_t i, j;
  char zTempPath[MAX_PATH+1];







  if( sqlite3_temp_directory ){
    sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", sqlite3_temp_directory);
  }else if( isNT() ){
    char *zMulti;
    WCHAR zWidePath[MAX_PATH];
    GetTempPathW(MAX_PATH-30, zWidePath);
    zMulti = unicodeToUtf8(zWidePath);
................................................................................
      sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zUtf8);
      free(zUtf8);
    }else{
      return SQLITE_NOMEM;
    }
#endif
  }








  for(i=sqlite3Strlen30(zTempPath); i>0 && zTempPath[i-1]=='\\'; i--){}
  zTempPath[i] = 0;

  sqlite3_snprintf(nBuf-30, zBuf,
                   "%s\\"SQLITE_TEMP_FILE_PREFIX, zTempPath);
  j = sqlite3Strlen30(zBuf);
  sqlite3_randomness(20, &zBuf[j]);
  for(i=0; i<20; i++, j++){
    zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
  }
  zBuf[j] = 0;

  OSTRACE(("TEMP FILENAME: %s\n", zBuf));
  return SQLITE_OK; 
}

/*
** The return value of getLastErrorMsg
** is zero if the error message fits in the buffer, or non-zero
................................................................................
  sqlite3_vfs *pVfs,          /* Not used on win32 */
  const char *zFilename,      /* Name of file to delete */
  int syncDir                 /* Not used on win32 */
){
  int cnt = 0;
  DWORD rc;
  DWORD error = 0;
  void *zConverted = convertUtf8Filename(zFilename);
  UNUSED_PARAMETER(pVfs);
  UNUSED_PARAMETER(syncDir);



  if( zConverted==0 ){
    return SQLITE_NOMEM;
  }
  SimulateIOError(return SQLITE_IOERR_DELETE);
  if( isNT() ){
    do{
      DeleteFileW(zConverted);
    }while(   (   ((rc = GetFileAttributesW(zConverted)) != INVALID_FILE_ATTRIBUTES)
               || ((error = GetLastError()) == ERROR_ACCESS_DENIED))
           && (++cnt < MX_DELETION_ATTEMPTS)
           && (Sleep(100), 1) );
................................................................................
  sqlite3_vfs *pVfs,            /* Pointer to vfs object */
  const char *zRelative,        /* Possibly relative input path */
  int nFull,                    /* Size of output buffer in bytes */
  char *zFull                   /* Output buffer */
){
  
#if defined(__CYGWIN__)

  UNUSED_PARAMETER(nFull);
  cygwin_conv_to_full_win32_path(zRelative, zFull);
  return SQLITE_OK;
#endif

#if SQLITE_OS_WINCE

  UNUSED_PARAMETER(nFull);
  /* WinCE has no concept of a relative pathname, or so I am told. */
  sqlite3_snprintf(pVfs->mxPathname, zFull, "%s", zRelative);
  return SQLITE_OK;
#endif

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







  UNUSED_PARAMETER(nFull);
  zConverted = convertUtf8Filename(zRelative);
  if( isNT() ){
    WCHAR *zTemp;
    nByte = GetFullPathNameW((WCHAR*)zConverted, 0, 0, 0) + 3;
    zTemp = malloc( nByte*sizeof(zTemp[0]) );
    if( zTemp==0 ){
................................................................................
  DWORD dwDummy;

  /*
  ** We need to get the full path name of the file
  ** to get the drive letter to look up the sector
  ** size.
  */

  rc = winFullPathname(pVfs, zRelative, MAX_PATH, zFullpath);

  if( rc == SQLITE_OK )
  {
    void *zConverted = convertUtf8Filename(zFullpath);
    if( zConverted ){
      if( isNT() ){
        /* trim path to just drive reference */
        WCHAR *p = zConverted;

  winFile *pFile = (winFile*)id;

  assert( id!=0 );
  assert( pFile->pShm==0 );
  OSTRACE(("CLOSE %d\n", pFile->h));
  do{
    rc = CloseHandle(pFile->h);
    /* SimulateIOError( rc=0; cnt=MX_CLOSE_ATTEMPT; ); */
  }while( rc==0 && ++cnt < MX_CLOSE_ATTEMPT && (Sleep(100), 1) );
#if SQLITE_OS_WINCE
#define WINCE_DELETION_ATTEMPTS 3
  winceDestroyLock(pFile);
  if( pFile->zDeleteOnClose ){
    int cnt = 0;
    while(
................................................................................
int sqlite3_fullsync_count = 0;
#endif

/*
** Make sure all writes to a particular file are committed to disk.
*/
static int winSync(sqlite3_file *id, int flags){
#if !defined(NDEBUG) || !defined(SQLITE_NO_SYNC) || defined(SQLITE_DEBUG)
  winFile *pFile = (winFile*)id;



#else
  UNUSED_PARAMETER(id);
#endif

  assert( pFile );
  /* Check that one of SQLITE_SYNC_NORMAL or FULL was passed */
  assert((flags&0x0F)==SQLITE_SYNC_NORMAL
      || (flags&0x0F)==SQLITE_SYNC_FULL
  );

  OSTRACE(("SYNC %d lock=%d\n", pFile->h, pFile->locktype));

#ifndef SQLITE_TEST
  UNUSED_PARAMETER(flags);
#else
  if( flags & SQLITE_SYNC_FULL ){
    sqlite3_fullsync_count++;
  }
  sqlite3_sync_count++;
#endif

  /* Unix cannot, but some systems may return SQLITE_FULL from here. This
  ** line is to test that doing so does not cause any problems.
  */
  SimulateDiskfullError( return SQLITE_FULL );
  SimulateIOError( return SQLITE_IOERR; );

  /* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a
  ** no-op
  */
#ifdef SQLITE_NO_SYNC
  return SQLITE_OK;
#else
  if( FlushFileBuffers(pFile->h) ){
    return SQLITE_OK;
  }else{
    pFile->lastErrno = GetLastError();
    return SQLITE_IOERR;
  }
................................................................................
** file by this or any other process. If such a lock is held, return
** non-zero, otherwise zero.
*/
static int winCheckReservedLock(sqlite3_file *id, int *pResOut){
  int rc;
  winFile *pFile = (winFile*)id;

  SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; );

  assert( id!=0 );
  if( pFile->locktype>=RESERVED_LOCK ){
    rc = 1;
    OSTRACE(("TEST WR-LOCK %d %d (local)\n", pFile->h, rc));
  }else{
    rc = LockFile(pFile->h, RESERVED_BYTE, 0, 1, 0);
    if( rc ){
................................................................................
    }
    case SQLITE_LAST_ERRNO: {
      *(int*)pArg = (int)((winFile*)id)->lastErrno;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_SIZE_HINT: {
      sqlite3_int64 sz = *(sqlite3_int64*)pArg;
      SimulateIOErrorBenign(1);
      winTruncate(id, sz);
      SimulateIOErrorBenign(0);
      return SQLITE_OK;
    }
  }
  return SQLITE_ERROR;
}

/*
................................................................................
    if( p->nRef==0 ){
      int i;
      if( p->mutex ) sqlite3_mutex_free(p->mutex);
      for(i=0; i<p->nRegion; i++){
        UnmapViewOfFile(p->aRegion[i].pMap);
        CloseHandle(p->aRegion[i].hMap);
      }
      if( p->hFile.h != INVALID_HANDLE_VALUE ){
        SimulateIOErrorBenign(1);
        winClose((sqlite3_file *)&p->hFile);
        SimulateIOErrorBenign(0);
      }
      if( deleteFlag ){
        SimulateIOErrorBenign(1);
        winDelete(pVfs, p->zFilename, 0);
        SimulateIOErrorBenign(0);
      }
      *pp = p->pNext;
      sqlite3_free(p->aRegion);
      sqlite3_free(p);
    }else{
      pp = &p->pNext;
    }
  }
................................................................................
static int getTempname(int nBuf, char *zBuf){
  static char zChars[] =
    "abcdefghijklmnopqrstuvwxyz"
    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    "0123456789";
  size_t i, j;
  char zTempPath[MAX_PATH+1];

  /* It's odd to simulate an io-error here, but really this is just
  ** using the io-error infrastructure to test that SQLite handles this
  ** function failing. 
  */
  SimulateIOError( return SQLITE_IOERR );

  if( sqlite3_temp_directory ){
    sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", sqlite3_temp_directory);
  }else if( isNT() ){
    char *zMulti;
    WCHAR zWidePath[MAX_PATH];
    GetTempPathW(MAX_PATH-30, zWidePath);
    zMulti = unicodeToUtf8(zWidePath);
................................................................................
      sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zUtf8);
      free(zUtf8);
    }else{
      return SQLITE_NOMEM;
    }
#endif
  }

  /* Check that the output buffer is large enough for the temporary file 
  ** name. If it is not, return SQLITE_ERROR.
  */
  if( (sqlite3Strlen30(zTempPath) + sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX) + 17) >= nBuf ){
    return SQLITE_ERROR;
  }

  for(i=sqlite3Strlen30(zTempPath); i>0 && zTempPath[i-1]=='\\'; i--){}
  zTempPath[i] = 0;

  sqlite3_snprintf(nBuf-17, zBuf,
                   "%s\\"SQLITE_TEMP_FILE_PREFIX, zTempPath);
  j = sqlite3Strlen30(zBuf);
  sqlite3_randomness(15, &zBuf[j]);
  for(i=0; i<15; i++, j++){
    zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
  }
  zBuf[j] = 0;

  OSTRACE(("TEMP FILENAME: %s\n", zBuf));
  return SQLITE_OK; 
}

/*
** The return value of getLastErrorMsg
** is zero if the error message fits in the buffer, or non-zero
................................................................................
  sqlite3_vfs *pVfs,          /* Not used on win32 */
  const char *zFilename,      /* Name of file to delete */
  int syncDir                 /* Not used on win32 */
){
  int cnt = 0;
  DWORD rc;
  DWORD error = 0;
  void *zConverted;
  UNUSED_PARAMETER(pVfs);
  UNUSED_PARAMETER(syncDir);

  SimulateIOError(return SQLITE_IOERR_DELETE);
  zConverted = convertUtf8Filename(zFilename);
  if( zConverted==0 ){
    return SQLITE_NOMEM;
  }

  if( isNT() ){
    do{
      DeleteFileW(zConverted);
    }while(   (   ((rc = GetFileAttributesW(zConverted)) != INVALID_FILE_ATTRIBUTES)
               || ((error = GetLastError()) == ERROR_ACCESS_DENIED))
           && (++cnt < MX_DELETION_ATTEMPTS)
           && (Sleep(100), 1) );
................................................................................
  sqlite3_vfs *pVfs,            /* Pointer to vfs object */
  const char *zRelative,        /* Possibly relative input path */
  int nFull,                    /* Size of output buffer in bytes */
  char *zFull                   /* Output buffer */
){
  
#if defined(__CYGWIN__)
  SimulateIOError( return SQLITE_ERROR );
  UNUSED_PARAMETER(nFull);
  cygwin_conv_to_full_win32_path(zRelative, zFull);
  return SQLITE_OK;
#endif

#if SQLITE_OS_WINCE
  SimulateIOError( return SQLITE_ERROR );
  UNUSED_PARAMETER(nFull);
  /* WinCE has no concept of a relative pathname, or so I am told. */
  sqlite3_snprintf(pVfs->mxPathname, zFull, "%s", zRelative);
  return SQLITE_OK;
#endif

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

  /* It's odd to simulate an io-error here, but really this is just
  ** using the io-error infrastructure to test that SQLite handles this
  ** function failing. This function could fail if, for example, the
  ** current working directory has been unlinked.
  */
  SimulateIOError( return SQLITE_ERROR );
  UNUSED_PARAMETER(nFull);
  zConverted = convertUtf8Filename(zRelative);
  if( isNT() ){
    WCHAR *zTemp;
    nByte = GetFullPathNameW((WCHAR*)zConverted, 0, 0, 0) + 3;
    zTemp = malloc( nByte*sizeof(zTemp[0]) );
    if( zTemp==0 ){
................................................................................
  DWORD dwDummy;

  /*
  ** We need to get the full path name of the file
  ** to get the drive letter to look up the sector
  ** size.
  */
  SimulateIOErrorBenign(1);
  rc = winFullPathname(pVfs, zRelative, MAX_PATH, zFullpath);
  SimulateIOErrorBenign(0);
  if( rc == SQLITE_OK )
  {
    void *zConverted = convertUtf8Filename(zFullpath);
    if( zConverted ){
      if( isNT() ){
        /* trim path to just drive reference */
        WCHAR *p = zConverted;