Fossil

    }
    zWideFilename = sqlite3MallocZero( (nChar*sizeof(zWideFilename[0]))+12 );
    if( zWideFilename==0 ){
      return 0;
    }
    if( winIsDirSep(zFilename[0]) && winIsDirSep(zFilename[1]) ){
      memcpy(zWideFilename, L"\\\\?\\UNC\\", 16);
      nChar = osMultiByteToWideChar(CP_UTF8, 0, zFilename+2, -1, zWideFilename+8,
                                    nChar);
    }else if( winIsDriveLetterAndColon(zFilename) && winIsDirSep(zFilename[2])) {
      memcpy(zWideFilename, L"\\\\?\\", 8);
      nChar = osMultiByteToWideChar(CP_UTF8, 0, zFilename, -1, zWideFilename+4,
                                    nChar);
      zWideFilename[6] = '\\';
    }else{

    sqlite3_snprintf(MIN(nFull, pVfs->mxPathname), zFull, "%s%c%s",
                     sqlite3_data_directory, winGetDirSep(), zRelative);
    return SQLITE_OK;
  }
  if( osIsNT() ){
    zConverted = winUtf8ToUnicode(zRelative);
  }else{
    zConverted = sqlite3_win32_utf8_to_mbcs(zRelative);
  }
  if( zConverted==0 ){
    return SQLITE_IOERR_NOMEM;
  }
  if( osIsNT() ){
    LPWSTR zTemp;
    nByte = osGetFullPathNameW((LPCWSTR)zConverted, 0, 0, 0);