C++ FindNextFileW函数代码示例

static BOOL do_searchW(PCWSTR file, PWSTR buffer, BOOL recurse,
                       PENUMDIRTREE_CALLBACKW cb, PVOID user)
{
    HANDLE              h;
    WIN32_FIND_DATAW    fd;
    unsigned            pos;
    BOOL                found = FALSE;
    static const WCHAR  S_AllW[] = {'*','.','*','\0'};
    static const WCHAR  S_DotW[] = {'.','\0'};
    static const WCHAR  S_DotDotW[] = {'.','.','\0'};

    pos = strlenW(buffer);
    if (buffer[pos - 1] != '\\') buffer[pos++] = '\\';
    strcpyW(buffer + pos, S_AllW);
    if ((h = FindFirstFileW(buffer, &fd)) == INVALID_HANDLE_VALUE)
        return FALSE;
    /* doc doesn't specify how the tree is enumerated...
     * doing a depth first based on, but may be wrong
     */
    do
    {
        if (!strcmpW(fd.cFileName, S_DotW) || !strcmpW(fd.cFileName, S_DotDotW)) continue;

        strcpyW(buffer + pos, fd.cFileName);
        if (recurse && (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
            found = do_searchW(file, buffer, TRUE, cb, user);
        else if (SymMatchFileNameW(buffer, (WCHAR*)file, NULL, NULL))
        {
            if (!cb || cb(buffer, user)) found = TRUE;
        }
    } while (!found && FindNextFileW(h, &fd));
    if (!found) buffer[--pos] = '\0';
    FindClose(h);

    return found;
}

///////////////////////////////////////////////////////////////
//
// FindFiles
//
// Find all files or directories at a path
// If sorted by date, returns last modified last
//
///////////////////////////////////////////////////////////////
std::vector<SString> SharedUtil::FindFiles(const SString& strInMatch, bool bFiles, bool bDirectories, bool bSortByDate)
{
    std::vector<SString>           strResult;
    std::multimap<uint64, SString> sortMap;

    SString strMatch = PathConform(strInMatch);
    if (strMatch.Right(1) == PATH_SEPERATOR)
        strMatch += "*";

    WIN32_FIND_DATAW findData;
    HANDLE           hFind = FindFirstFileW(FromUTF8(strMatch), &findData);
    if (hFind != INVALID_HANDLE_VALUE)
    {
        do
        {
            if ((findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? bDirectories : bFiles)
                if (wcscmp(findData.cFileName, L".") && wcscmp(findData.cFileName, L".."))
                {
                    if (bSortByDate)
                        MapInsert(sortMap, (uint64&)findData.ftLastWriteTime, ToUTF8(findData.cFileName));
                    else
                        strResult.push_back(ToUTF8(findData.cFileName));
                }
        } while (FindNextFileW(hFind, &findData));
        FindClose(hFind);
    }

    // Resolve sorted map if required
    if (!sortMap.empty())
    {
        for (std::multimap<uint64, SString>::iterator iter = sortMap.begin(); iter != sortMap.end(); ++iter)
            strResult.push_back(iter->second);
    }

    return strResult;
}

std::wstring find_path_for_lates_log_file(const std::wstring& path_) {
    auto search = path_ + L"\\combat_*.txt";

    WIN32_FIND_DATAW info{};
    auto handle = FindFirstFileW(search.c_str(), &info);

    if ( handle != INVALID_HANDLE_VALUE ) {
        BOOST_SCOPE_EXIT_ALL(= ) {
            FindClose(handle);
        };

        auto last_info = info;

        do {
            BOOST_LOG_TRIVIAL(debug) << L"log file found " << info.cFileName;
            if ( CompareFileTime(&last_info.ftCreationTime, &info.ftCreationTime) < 0 ) {
                last_info = info;
            }
        } while ( FindNextFileW(handle, &info) );

        BOOST_LOG_TRIVIAL(debug) << L"newest log file is " << last_info.cFileName;

        return path_ + L"\\" + last_info.cFileName;
    }

bool FileEnum::next_nt(bool& more) {
  while (true) {
    if (h_find == INVALID_HANDLE_VALUE) {
      h_find = FindFirstFileW(long_path(file_mask).c_str(), &find_data);
      if (h_find == INVALID_HANDLE_VALUE)
        return false;
    }
    else {
      if (!FindNextFileW(h_find, &find_data)) {
        if (GetLastError() == ERROR_NO_MORE_FILES) {
          more = false;
          return true;
        }
        return false;
      }
    }
    if (find_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
      if ((find_data.cFileName[0] == L'.') && ((find_data.cFileName[1] == 0) || ((find_data.cFileName[1] == L'.') && (find_data.cFileName[2] == 0))))
        continue;
    }
    more = true;
    return true;
  }
}

void FFileManagerWindows::InternalFindFiles( TArray<FString>& Result, const TCHAR* Filename, UBOOL Files, UBOOL Directories )
{
	HANDLE Handle=NULL;
	WIN32_FIND_DATAW Data;
	Handle=FindFirstFileW(Filename,&Data);
	if( Handle!=INVALID_HANDLE_VALUE )
	{
		do
		{
			if
			(   appStricmp(Data.cFileName,TEXT("."))
			&&  appStricmp(Data.cFileName,TEXT(".."))
			&&  ((Data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)?Directories:Files) )
			{
				new(Result)FString(Data.cFileName);
			}
		}
		while( FindNextFileW(Handle,&Data) );
	}
	if( Handle!=INVALID_HANDLE_VALUE )
	{
		FindClose( Handle );
	}
}

JNIEXPORT void JNICALL
Java_net_rubygrapefruit_platform_internal_jni_WindowsFileFunctions_readdir(JNIEnv *env, jclass target, jstring path, jobject contents, jobject result) {
    jclass contentsClass = env->GetObjectClass(contents);
    jmethodID mid = env->GetMethodID(contentsClass, "addFile", "(Ljava/lang/String;IJJ)V");
    if (mid == NULL) {
        mark_failed_with_message(env, "could not find method", result);
        return;
    }

    WIN32_FIND_DATAW entry;
    wchar_t* pathStr = java_to_wchar(env, path, result);
    HANDLE dirHandle = FindFirstFileW(pathStr, &entry);
    free(pathStr);
    if (dirHandle == INVALID_HANDLE_VALUE) {
        mark_failed_with_errno(env, "could not open directory", result);
        return;
    }

    do {
        if (wcscmp(L".", entry.cFileName) == 0 || wcscmp(L"..", entry.cFileName) == 0) {
            continue;
        }
        jstring childName = wchar_to_java(env, entry.cFileName, wcslen(entry.cFileName), result);
        jint type = (entry.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? FILE_TYPE_DIRECTORY : FILE_TYPE_FILE;
        jlong lastModified = lastModifiedNanos(&entry.ftLastWriteTime);
        jlong size = ((jlong)entry.nFileSizeHigh << 32) | entry.nFileSizeLow;
        env->CallVoidMethod(contents, mid, childName, type, size, lastModified);
    } while (FindNextFileW(dirHandle, &entry) != 0);

    DWORD error = GetLastError();
    if (error != ERROR_NO_MORE_FILES ) {
        mark_failed_with_errno(env, "could not read next directory entry", result);
    }

    FindClose(dirHandle);
}

static SHIMGVW_FILENODE*
pBuildFileList(LPWSTR szFirstFile)
{
    HANDLE hFindHandle;
    WCHAR *extension;
    WCHAR szSearchPath[MAX_PATH];
    WCHAR szSearchMask[MAX_PATH];
    WCHAR szFileTypes[MAX_PATH];
    WIN32_FIND_DATAW findData;
    SHIMGVW_FILENODE *currentNode;
    SHIMGVW_FILENODE *root;
    SHIMGVW_FILENODE *conductor;
    ImageCodecInfo *codecInfo;
    UINT num;
    UINT size;
    UINT j;


    wcscpy(szSearchPath, szFirstFile);
    PathRemoveFileSpecW(szSearchPath);

    GdipGetImageDecodersSize(&num, &size);
    codecInfo = malloc(size);
    if (!codecInfo)
    {
        DPRINT1("malloc() failed in pLoadFileList()\n");
        return NULL;
    }

    GdipGetImageDecoders(num, size, codecInfo);

    root = malloc(sizeof(SHIMGVW_FILENODE));
    if (!root)
    {
        DPRINT1("malloc() failed in pLoadFileList()\n");
        free(codecInfo);
        return NULL;
    }

    conductor = root;

    for (j = 0; j < num; ++j)
    {
        StringCbPrintfExW(szFileTypes, MAX_PATH, NULL, NULL, 0, L"%ls", codecInfo[j].FilenameExtension);
        
        extension = wcstok(szFileTypes, L";");
        while (extension != NULL)
        {
            StringCbPrintfExW(szSearchMask, MAX_PATH, NULL, NULL, 0, L"%ls%ls%ls", szSearchPath, L"\\", extension);

            hFindHandle = FindFirstFileW(szSearchMask, &findData);
            if (hFindHandle != INVALID_HANDLE_VALUE)
            {
                do
                {
                    StringCbPrintfExW(conductor->FileName, MAX_PATH, NULL, NULL, 0, L"%ls%ls%ls", szSearchPath, L"\\", findData.cFileName);

                    // compare the name of the requested file with the one currently found.
                    // if the name matches, the current node is returned by the function.
                    if (wcscmp(szFirstFile, conductor->FileName) == 0)
                    {
                        currentNode = conductor;
                    }

                    conductor->Next = malloc(sizeof(SHIMGVW_FILENODE));

                    // if malloc fails, make circular what we have and return it
                    if (!conductor->Next)
                    {
                        DPRINT1("malloc() failed in pLoadFileList()\n");
                        
                        conductor->Next = root;
                        root->Prev = conductor;

                        FindClose(hFindHandle);
                        free(codecInfo);
                        return conductor;
                    }

                    conductor->Next->Prev = conductor;
                    conductor = conductor->Next;
                }
                while (FindNextFileW(hFindHandle, &findData) != 0);

                FindClose(hFindHandle);
            }

            extension = wcstok(NULL, L";");
        }
    }

    // we now have a node too much in the list. In case the requested file was not found,
    // we use this node to store the name of it, otherwise we free it.
    if (currentNode == NULL)
    {
        StringCbPrintfExW(conductor->FileName, MAX_PATH, NULL, NULL, 0, L"%ls", szFirstFile);
        currentNode = conductor;
    }
    else
    {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                    if (moreDots == extBuffInteriorDotCount) {
                        fileExt = save;
                    }
                }
            }
	    
	    if (!fileExt) continue; //no extension
	    
	    if (((const wchar_t *)extBuff)[0] != '.')
		fileExt++; //omit the dot if the target file extension omits the dot
	    
	    CFIndex fileExtLen = wcslen(fileExt);
	    
	    //if the extensions are different lengths, they can't possibly match
	    if (fileExtLen != targetExtLen) continue;
	    
            // Check to see if it matches the extension we're looking for.
            if (_wcsicmp(fileExt, (const wchar_t *)extBuff) != 0) {
                continue;
            }
        }
	if (dirURL == NULL) {
	    CFStringRef dirURLStr = CFStringCreateWithBytes(alloc, (const uint8_t *)pathBuf, pathLength * sizeof(wchar_t), kCFStringEncodingUTF16, NO);
	    dirURL = CFURLCreateWithFileSystemPath(alloc, dirURLStr, kCFURLWindowsPathStyle, true);
	    CFRelease(dirURLStr);
            releaseBase = true;
        }
        // MF:!!! What about the trailing slash?
        CFStringRef fileURLStr = CFStringCreateWithBytes(alloc, (const uint8_t *)file.cFileName, namelen * sizeof(wchar_t), kCFStringEncodingUTF16, NO);
        fileURL = CFURLCreateWithFileSystemPathRelativeToBase(alloc, fileURLStr, kCFURLWindowsPathStyle, (file.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? true : false, dirURL);
        CFArrayAppendValue(files, fileURL);
        CFRelease(fileURL);
        CFRelease(fileURLStr);
    } while (FindNextFileW(handle, &file));
    FindClose(handle);
    pathBuf[pathLength] = '\0';

#elif DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI || DEPLOYMENT_TARGET_LINUX || DEPLOYMENT_TARGET_FREEBSD
    uint8_t extBuff[CFMaxPathSize];
    int extBuffInteriorDotCount = 0; //people insist on using extensions like ".trace.plist", so we need to know how many dots back to look :(
    
    if (targetExtLen > 0) {
        CFStringGetBytes(extension, CFRangeMake(0, targetExtLen), CFStringFileSystemEncoding(), 0, false, extBuff, CFMaxPathLength, &targetExtLen);
        extBuff[targetExtLen] = '\0';
        char *extBuffStr = (char *)extBuff;
        if (extBuffStr[0] == '.')
            extBuffStr++; //skip the first dot, it's legitimate to have ".plist" for example
        
        char *extBuffDotPtr = extBuffStr;
        while ((extBuffDotPtr = strchr(extBuffStr, '.'))) { //find the next . in the extension...
            extBuffInteriorDotCount++;
            extBuffStr = extBuffDotPtr + 1;
        }
    }
    
    uint8_t pathBuf[CFMaxPathSize];
    
    if (!dirPath) {
        if (!CFURLGetFileSystemRepresentation(dirURL, true, pathBuf, CFMaxPathLength)) {
            if (extension) CFRelease(extension);
            return NULL;
        } else {
            dirPath = (char *)pathBuf;
            pathLength = strlen(dirPath);
        }
    }

/* Recursively searches the directory dir for files that match the signature
 * sig, up to (depth + 1) levels deep.  That is, if depth is 0, it searches dir
 * (and only dir).  If depth is 1, searches dir and its immediate
 * subdirectories.
 * Assumes sig->File is not NULL.
 * Returns ERROR_SUCCESS on success (which may include non-critical errors),
 * something else on failures which should halt the install.
 */
static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
 MSISIGNATURE *sig, LPCWSTR dir, int depth)
{
    HANDLE hFind;
    WIN32_FIND_DATAW findData;
    UINT rc = ERROR_SUCCESS;
    size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
    WCHAR subpath[MAX_PATH];
    WCHAR *buf;
    DWORD len;

    static const WCHAR starDotStarW[] = { '*','.','*',0 };

    TRACE("Searching directory %s for file %s, depth %d\n", debugstr_w(dir),
          debugstr_w(sig->File), depth);

    if (depth < 0)
        return ERROR_SUCCESS;

    *appValue = NULL;
    /* We need the buffer in both paths below, so go ahead and allocate it
     * here.  Add two because we might need to add a backslash if the dir name
     * isn't backslash-terminated.
     */
    len = dirLen + max(fileLen, strlenW(starDotStarW)) + 2;
    buf = msi_alloc(len * sizeof(WCHAR));
    if (!buf)
        return ERROR_OUTOFMEMORY;

    lstrcpyW(buf, dir);
    PathAddBackslashW(buf);
    lstrcatW(buf, sig->File);

    hFind = FindFirstFileW(buf, &findData);
    if (hFind != INVALID_HANDLE_VALUE)
    {
        if (!(findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
        {
            BOOL matches;

            rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches);
            if (rc == ERROR_SUCCESS && matches)
            {
                TRACE("found file, returning %s\n", debugstr_w(buf));
                *appValue = buf;
            }
        }
        FindClose(hFind);
    }

    if (rc == ERROR_SUCCESS && !*appValue)
    {
        lstrcpyW(buf, dir);
        PathAddBackslashW(buf);
        lstrcatW(buf, starDotStarW);

        hFind = FindFirstFileW(buf, &findData);
        if (hFind != INVALID_HANDLE_VALUE)
        {
            if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY &&
                lstrcmpW(findData.cFileName, szDot) &&
                lstrcmpW(findData.cFileName, szDotDot))
            {
                lstrcpyW(subpath, dir);
                PathAppendW(subpath, findData.cFileName);
                rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
                                                   subpath, depth - 1);
            }

            while (rc == ERROR_SUCCESS && !*appValue &&
                   FindNextFileW(hFind, &findData) != 0)
            {
                if (!lstrcmpW(findData.cFileName, szDot) ||
                    !lstrcmpW(findData.cFileName, szDotDot))
                    continue;

                lstrcpyW(subpath, dir);
                PathAppendW(subpath, findData.cFileName);
                if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
                    rc = ACTION_RecurseSearchDirectory(package, appValue,
                                                       sig, subpath, depth - 1);
            }

            FindClose(hFind);
        }
    }

    if (*appValue != buf)
        msi_free(buf);

    return rc;
}

HANDLE FindFile::Win32Find(HANDLE hFind,const char *Mask,const wchar *MaskW,struct FindData *fd)
{
#ifndef _WIN_CE
  if (WinNT())
#endif
  {
    wchar WideMask[NM];
    if (MaskW!=NULL && *MaskW!=0)
      strcpyw(WideMask,MaskW);
    else
      CharToWide(Mask,WideMask);

    WIN32_FIND_DATAW FindData;
    if (hFind==INVALID_HANDLE_VALUE)
    {
      hFind=FindFirstFileW(WideMask,&FindData);
      if (hFind==INVALID_HANDLE_VALUE)
      {
        int SysErr=GetLastError();
        fd->Error=(SysErr!=ERROR_FILE_NOT_FOUND &&
                   SysErr!=ERROR_PATH_NOT_FOUND &&
                   SysErr!=ERROR_NO_MORE_FILES);
      }
    }
    else
      if (!FindNextFileW(hFind,&FindData))
      {
        hFind=INVALID_HANDLE_VALUE;
        fd->Error=GetLastError()!=ERROR_NO_MORE_FILES;
      }

    if (hFind!=INVALID_HANDLE_VALUE)
    {
      strcpyw(fd->NameW,WideMask);
      strcpyw(PointToName(fd->NameW),FindData.cFileName);
      WideToChar(fd->NameW,fd->Name);
      fd->Size=int32to64(FindData.nFileSizeHigh,FindData.nFileSizeLow);
      fd->FileAttr=FindData.dwFileAttributes;
      WideToChar(FindData.cAlternateFileName,fd->ShortName);
      fd->ftCreationTime=FindData.ftCreationTime;
      fd->ftLastAccessTime=FindData.ftLastAccessTime;
      fd->ftLastWriteTime=FindData.ftLastWriteTime;
      fd->mtime=FindData.ftLastWriteTime;
      fd->ctime=FindData.ftCreationTime;
      fd->atime=FindData.ftLastAccessTime;
      fd->FileTime=fd->mtime.GetDos();

#ifndef _WIN_CE
      if (LowAscii(fd->NameW))
        *fd->NameW=0;
#endif
    }
  }
#ifndef _WIN_CE
  else
  {
    char CharMask[NM];
    if (Mask!=NULL && *Mask!=0)
      strcpy(CharMask,Mask);
    else
      WideToChar(MaskW,CharMask);

    WIN32_FIND_DATA FindData;
    if (hFind==INVALID_HANDLE_VALUE)
    {
      hFind=FindFirstFile(CharMask,&FindData);
      if (hFind==INVALID_HANDLE_VALUE)
      {
        int SysErr=GetLastError();
        fd->Error=SysErr!=ERROR_FILE_NOT_FOUND && SysErr!=ERROR_PATH_NOT_FOUND;
      }
    }
    else
      if (!FindNextFile(hFind,&FindData))
      {
        hFind=INVALID_HANDLE_VALUE;
        fd->Error=GetLastError()!=ERROR_NO_MORE_FILES;
      }

    if (hFind!=INVALID_HANDLE_VALUE)
    {
      strcpy(fd->Name,CharMask);
      strcpy(PointToName(fd->Name),FindData.cFileName);
      CharToWide(fd->Name,fd->NameW);
      fd->Size=int32to64(FindData.nFileSizeHigh,FindData.nFileSizeLow);
      fd->FileAttr=FindData.dwFileAttributes;
      strcpy(fd->ShortName,FindData.cAlternateFileName);
      fd->ftCreationTime=FindData.ftCreationTime;
      fd->ftLastAccessTime=FindData.ftLastAccessTime;
      fd->ftLastWriteTime=FindData.ftLastWriteTime;
      fd->mtime=FindData.ftLastWriteTime;
      fd->ctime=FindData.ftCreationTime;
      fd->atime=FindData.ftLastAccessTime;
      fd->FileTime=fd->mtime.GetDos();
      if (LowAscii(fd->Name))
        *fd->NameW=0;
    }
  }
#endif
  fd->Flags=0;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                return ZtringList();

            BOOL ReturnValue;
            do
            {
                #ifdef UNICODE
                    Ztring File_Name;
                    #ifndef ZENLIB_NO_WIN9X_SUPPORT
                    if (IsWin9X_Fast())
                        File_Name=FindFileDataA.cFileName;
                    else
                    #endif //ZENLIB_NO_WIN9X_SUPPORT
                        File_Name=FindFileDataW.cFileName;
                #else
                    Ztring File_Name(FindFileData.cFileName);
                #endif //UNICODE
                if (File_Name!=_T(".") && File_Name!=_T("..")) //Avoid . an ..
                {
                    Ztring File_Name_Complete=Path+_T("\\")+File_Name;
                    if (Exists(File_Name_Complete))
                    {
                        if (Options&Parse_SubDirs)
                            ToReturn+=GetAllFileNames(File_Name_Complete, Options); //A SubDir
                    }
                    else if ((Options&Include_Hidden) || (!File_Name.empty() && File_Name[0]!=_T('.')))
                        ToReturn.push_back(File_Name_Complete); //A file
                }
                #ifdef UNICODE
                    #ifndef ZENLIB_NO_WIN9X_SUPPORT
                    if (IsWin9X_Fast())
                        ReturnValue=FindNextFileA(hFind, &FindFileDataA);
                    else
                    #endif //ZENLIB_NO_WIN9X_SUPPORT
                        ReturnValue=FindNextFileW(hFind, &FindFileDataW);
                #else
                    ReturnValue=FindNextFile(hFind, &FindFileData);
                #endif //UNICODE
            }
            while (ReturnValue);

            FindClose(hFind);
        #else //WINDOWS
            //A file?
            if (File::Exists(Dir_Name))
            {
               ToReturn.push_back(Dir_Name); //TODO
               return ToReturn;
            }

            //A dir?
            if (!Dir::Exists(Dir_Name))
                return ToReturn; //Does not exist

            //open
            #ifdef UNICODE
                DIR* Dir=opendir(Dir_Name.To_Local().c_str());
            #else
                DIR* Dir=opendir(Dir_Name.c_str());
            #endif //UNICODE
            if (Dir)
            {
                //This is a dir
                //Normalizing dir (the / at the end)
                size_t Dir_Pos=Dir_Name.rfind(FileName_PathSeparator);
                if (Dir_Pos==std::string::npos)
                    Dir_Name+=FileName_PathSeparator;

/*
 * WFP is Windows File Protection, in NT5 and Windows 2000 it maintains a cache
 * of known good dlls and scans through and replaces corrupted DLLs with these
 * known good versions. The only programs that should install into this dll
 * cache are Windows Updates and IE (which is treated like a Windows Update)
 *
 * Implementing this allows installing ie in win2k mode to actually install the
 * system dlls that we expect and need
 */
static int ProcessWindowsFileProtection(void)
{
    static const WCHAR winlogonW[] = {'S','o','f','t','w','a','r','e','\\',
                                      'M','i','c','r','o','s','o','f','t','\\',
                                      'W','i','n','d','o','w','s',' ','N','T','\\',
                                      'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
                                      'W','i','n','l','o','g','o','n',0};
    static const WCHAR cachedirW[] = {'S','F','C','D','l','l','C','a','c','h','e','D','i','r',0};
    static const WCHAR dllcacheW[] = {'\\','d','l','l','c','a','c','h','e','\\','*',0};
    static const WCHAR wildcardW[] = {'\\','*',0};
    WIN32_FIND_DATAW finddata;
    HANDLE find_handle;
    BOOL find_rc;
    DWORD rc;
    HKEY hkey;
    LPWSTR dllcache = NULL;

    if (!RegOpenKeyW( HKEY_LOCAL_MACHINE, winlogonW, &hkey ))
    {
        DWORD sz = 0;
        if (!RegQueryValueExW( hkey, cachedirW, 0, NULL, NULL, &sz))
        {
            sz += sizeof(WCHAR);
            dllcache = HeapAlloc(GetProcessHeap(),0,sz + sizeof(wildcardW));
            RegQueryValueExW( hkey, cachedirW, 0, NULL, (LPBYTE)dllcache, &sz);
            strcatW( dllcache, wildcardW );
        }
    }
    RegCloseKey(hkey);

    if (!dllcache)
    {
        DWORD sz = GetSystemDirectoryW( NULL, 0 );
        dllcache = HeapAlloc( GetProcessHeap(), 0, sz * sizeof(WCHAR) + sizeof(dllcacheW));
        GetSystemDirectoryW( dllcache, sz );
        strcatW( dllcache, dllcacheW );
    }

    find_handle = FindFirstFileW(dllcache,&finddata);
    dllcache[ strlenW(dllcache) - 2] = 0; /* strip off wildcard */
    find_rc = find_handle != INVALID_HANDLE_VALUE;
    while (find_rc)
    {
        static const WCHAR dotW[] = {'.',0};
        static const WCHAR dotdotW[] = {'.','.',0};
        WCHAR targetpath[MAX_PATH];
        WCHAR currentpath[MAX_PATH];
        UINT sz;
        UINT sz2;
        WCHAR tempfile[MAX_PATH];

        if (strcmpW(finddata.cFileName,dotW) == 0 || strcmpW(finddata.cFileName,dotdotW) == 0)
        {
            find_rc = FindNextFileW(find_handle,&finddata);
            continue;
        }

        sz = MAX_PATH;
        sz2 = MAX_PATH;
        VerFindFileW(VFFF_ISSHAREDFILE, finddata.cFileName, windowsdir,
                     windowsdir, currentpath, &sz, targetpath, &sz2);
        sz = MAX_PATH;
        rc = VerInstallFileW(0, finddata.cFileName, finddata.cFileName,
                             dllcache, targetpath, currentpath, tempfile, &sz);
        if (rc != ERROR_SUCCESS)
        {
            WINE_WARN("WFP: %s error 0x%x\n",wine_dbgstr_w(finddata.cFileName),rc);
            DeleteFileW(tempfile);
        }

        /* now delete the source file so that we don't try to install it over and over again */
        lstrcpynW( targetpath, dllcache, MAX_PATH - 1 );
        sz = strlenW( targetpath );
        targetpath[sz++] = '\\';
        lstrcpynW( targetpath + sz, finddata.cFileName, MAX_PATH - sz );
        if (!DeleteFileW( targetpath ))
            WINE_WARN( "failed to delete %s: error %u\n", wine_dbgstr_w(targetpath), GetLastError() );

        find_rc = FindNextFileW(find_handle,&finddata);
    }
    FindClose(find_handle);
    HeapFree(GetProcessHeap(),0,dllcache);
    return 1;
}

bool Directory::read()
{
    if (!is_open())
    {
        return(false);
    }

#ifdef _MSC_VER
    while (!m_eof)
    {
        const std::wstring file_name(m_file.cFileName);
        const DWORD file_type = m_file.dwFileAttributes;
        m_eof = !FindNextFileW(m_dir, &m_file);

        if (L"." == file_name || L".." == file_name)
        {
            continue;
        }

        if (FILE_ATTRIBUTE_DIRECTORY == (FILE_ATTRIBUTE_DIRECTORY & file_type))
        {
            m_current_sub_path_short_name = unicode_to_utf8(file_name);
            m_current_sub_path_name = m_dir_name + m_current_sub_path_short_name + g_directory_separator;
            m_current_sub_path_is_directory = true;
        }
        else
        {
            m_current_sub_path_short_name = unicode_to_utf8(file_name);
            m_current_sub_path_name = m_dir_name + m_current_sub_path_short_name;
            m_current_sub_path_is_directory = false;
        }

        return(true);
    }
#else
    while (nullptr != m_file)
    {
        /*
         * do not do like this:
         *     struct dirent * file = m_file;
         *     m_file = readdir(m_dir);
         *     operate_function(file);
         * the behavior is undefined, the result is not expected
         */
        const std::string d_name(m_file->d_name);
#if 0
        const size_t d_type = m_file->d_type;
#endif // 0
        m_file = readdir(m_dir);

        if ("." == d_name || ".." == d_name)
        {
            continue;
        }

#if 0
        /*
         * d_type: not supported by all filesystem
         */
        if (DT_DIR == (DT_DIR & d_type))
        {
            m_current_sub_path_short_name = ansi_to_utf8(d_name);
            m_current_sub_path_name = m_dir_name + m_current_sub_path_short_name + g_directory_separator;
            m_current_sub_path_is_directory = true;
            return(true);
        }
        else if (DT_REG == (DT_REG & d_type))
        {
            m_current_sub_path_short_name = ansi_to_utf8(d_name);
            m_current_sub_path_name = m_dir_name + m_current_sub_path_short_name;
            m_current_sub_path_is_directory = false;
            return(true);
        }
#else
        stupid_stat_t stat_buf = { 0x00 };
        const std::string file_name(utf8_to_ansi(m_dir_name) + d_name);
        if (0 != stupid_stat(file_name.c_str(), &stat_buf))
        {
            continue;
        }

        if (S_IFDIR == (S_IFDIR & stat_buf.st_mode))
        {
            m_current_sub_path_short_name = ansi_to_utf8(d_name);
            m_current_sub_path_name = m_dir_name + m_current_sub_path_short_name + g_directory_separator;
            m_current_sub_path_is_directory = true;
            return(true);
        }
        else if (S_IFREG == (S_IFREG & stat_buf.st_mode))
        {
            m_current_sub_path_short_name = ansi_to_utf8(d_name);
            m_current_sub_path_name = m_dir_name + m_current_sub_path_short_name;
            m_current_sub_path_is_directory = false;
            return(true);
        }
#endif // 0
    }
#endif // _MSC_VER

    m_current_sub_path_short_name.clear();
//.........这里部分代码省略.........

static int DeleteDirectory(wchar_t *refcstrRootDirectory)
{
    #define DEFAULT_PATTERN L"%s/*.*"
    BOOL bDeleteSubdirectories = TRUE;
    BOOL bSubdirectory = FALSE;
    HANDLE hFile;
    WIN32_FIND_DATAW FileInformation;
    DWORD dwError;
    wchar_t	*strPattern		= NULL;
    wchar_t	*strFilePath	= NULL;
    int len = 0;

    if (refcstrRootDirectory == NULL) return 1;

    len = (int)(wcslen(refcstrRootDirectory) + (int)wcslen(DEFAULT_PATTERN) + 1);

    strPattern = (wchar_t*)MALLOC(sizeof(wchar_t) * len);
    if (strPattern)
    {
        swprintf(strPattern, len, DEFAULT_PATTERN, refcstrRootDirectory);
    }
    else
    {
        return 1;
    }

    hFile = FindFirstFileW(strPattern, &FileInformation);
    if (strPattern) { FREE(strPattern);strPattern=NULL;}

    if(hFile != INVALID_HANDLE_VALUE)
    {
        do
        {
            if ( (wcscmp(FileInformation.cFileName,L".") != 0) && (wcscmp(FileInformation.cFileName,L"..") != 0) )
            {
                #define FORMAT_PATH_TO_REMOVE L"%s\\%s"
                int len = (int) (wcslen(refcstrRootDirectory) + wcslen(FORMAT_PATH_TO_REMOVE) + wcslen((wchar_t*)(FileInformation.cFileName)) + 1);
                strFilePath = (wchar_t*) MALLOC(sizeof(wchar_t) * len);
                if (strFilePath)
                {
                    swprintf(strFilePath, len, FORMAT_PATH_TO_REMOVE, refcstrRootDirectory, FileInformation.cFileName);
                }

                if(FileInformation.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
                {
                    if(bDeleteSubdirectories)
                    {
                        int iRC = DeleteDirectory(strFilePath);
                        if (strFilePath) {FREE(strFilePath); strFilePath = NULL;}
                        if (strPattern) {FREE(strPattern); strPattern = NULL;}

                        if(iRC) 
                        {
                            return iRC;
                        }
                    }
                    else bSubdirectory = TRUE;
                }
                else
                {
                    if(SetFileAttributesW(strFilePath,FILE_ATTRIBUTE_NORMAL) == FALSE) 
                    {
                        if (strFilePath) {FREE(strFilePath); strFilePath = NULL;}
                        if (strPattern) {FREE(strPattern); strPattern = NULL;}
                        return GetLastError();
                    }

                    if(DeleteFileW(strFilePath) == FALSE) 
                    {
                        if (strFilePath) {FREE(strFilePath); strFilePath = NULL;}
                        if (strPattern) {FREE(strPattern); strPattern = NULL;}
                        return GetLastError();
                    }
                }
            }
        } while(FindNextFileW(hFile, &FileInformation) == TRUE);

        FindClose(hFile);
        if (strFilePath) {FREE(strFilePath); strFilePath = NULL;}
        if (strPattern) {FREE(strPattern); strPattern = NULL;}

        dwError = GetLastError();
        if(dwError != ERROR_NO_MORE_FILES) 
        {
            return dwError;
        }
        else
        {
            if(!bSubdirectory)
            {
                if(SetFileAttributesW(refcstrRootDirectory,FILE_ATTRIBUTE_NORMAL) == FALSE) 
                {
                    return GetLastError();
                }
                if(RemoveDirectoryW(refcstrRootDirectory) == FALSE)	
                {
                    return GetLastError();
                }
            }
        }
//.........这里部分代码省略.........

RTDECL(int) RTDirReadEx(PRTDIR pDir, PRTDIRENTRYEX pDirEntry, size_t *pcbDirEntry, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
    /** @todo Symlinks: Find[First|Next]FileW will return info about
        the link, so RTPATH_F_FOLLOW_LINK is not handled correctly. */
    /*
     * Validate input.
     */
    if (!pDir || pDir->u32Magic != RTDIR_MAGIC)
    {
        AssertMsgFailed(("Invalid pDir=%p\n", pDir));
        return VERR_INVALID_PARAMETER;
    }
    if (!pDirEntry)
    {
        AssertMsgFailed(("Invalid pDirEntry=%p\n", pDirEntry));
        return VERR_INVALID_PARAMETER;
    }
    if (    enmAdditionalAttribs < RTFSOBJATTRADD_NOTHING
        ||  enmAdditionalAttribs > RTFSOBJATTRADD_LAST)
    {
        AssertMsgFailed(("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs));
        return VERR_INVALID_PARAMETER;
    }
    AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
    size_t cbDirEntry = sizeof(*pDirEntry);
    if (pcbDirEntry)
    {
        cbDirEntry = *pcbDirEntry;
        if (cbDirEntry < RT_UOFFSETOF(RTDIRENTRYEX, szName[2]))
        {
            AssertMsgFailed(("Invalid *pcbDirEntry=%d (min %d)\n", *pcbDirEntry, RT_OFFSETOF(RTDIRENTRYEX, szName[2])));
            return VERR_INVALID_PARAMETER;
        }
    }

    /*
     * Fetch data?
     */
    if (!pDir->fDataUnread)
    {
        RTStrFree(pDir->pszName);
        pDir->pszName = NULL;

        BOOL fRc = FindNextFileW(pDir->hDir, &pDir->Data);
        if (!fRc)
        {
            int iErr = GetLastError();
            if (pDir->hDir == INVALID_HANDLE_VALUE || iErr == ERROR_NO_MORE_FILES)
                return VERR_NO_MORE_FILES;
            return RTErrConvertFromWin32(iErr);
        }
    }

    /*
     * Convert the filename to UTF-8.
     */
    if (!pDir->pszName)
    {
        int rc = RTUtf16ToUtf8((PCRTUTF16)pDir->Data.cFileName, &pDir->pszName);
        if (RT_FAILURE(rc))
        {
            pDir->pszName = NULL;
            return rc;
        }
        pDir->cchName = strlen(pDir->pszName);
    }

    /*
     * Check if we've got enough space to return the data.
     */
    const char  *pszName    = pDir->pszName;
    const size_t cchName    = pDir->cchName;
    const size_t cbRequired = RT_OFFSETOF(RTDIRENTRYEX, szName[1]) + cchName;
    if (pcbDirEntry)
        *pcbDirEntry = cbRequired;
    if (cbRequired > cbDirEntry)
        return VERR_BUFFER_OVERFLOW;

    /*
     * Setup the returned data.
     */
    pDir->fDataUnread  = false;
    pDirEntry->cbName  = (uint16_t)cchName;
    Assert(pDirEntry->cbName == cchName);
    memcpy(pDirEntry->szName, pszName, cchName + 1);
    if (pDir->Data.cAlternateFileName[0])
    {
        /* copy and calc length */
        PCRTUTF16 pwszSrc = (PCRTUTF16)pDir->Data.cAlternateFileName;
        PRTUTF16  pwszDst = pDirEntry->wszShortName;
        uint32_t  off = 0;
        while (off < RT_ELEMENTS(pDirEntry->wszShortName) - 1U && pwszSrc[off])
        {
            pwszDst[off] = pwszSrc[off];
            off++;
        }
        pDirEntry->cwcShortName = (uint16_t)off;

        /* zero the rest */
        do
//.........这里部分代码省略.........