void deleteDirectory()

in src/main/cpp/launcher/windows/src/FileUtils.c [415:466]
41 lines of code
13 McCabe index (conditional complexity)

void deleteDirectory(LauncherProperties * props, WCHAR * dir) {
    DWORD attrs = GetFileAttributesW(dir);
    DWORD dwError;
    DWORD count = 0 ;
    if(attrs==INVALID_FILE_ATTRIBUTES) {
        writeErrorA(props, OUTPUT_LEVEL_DEBUG, 1, "Error! Can`t get attributes of the dir : ", dir, GetLastError());
        return;
    }
    if(!SetFileAttributesW(dir, attrs & FILE_ATTRIBUTE_NORMAL)) {
        writeErrorA(props, OUTPUT_LEVEL_DEBUG, 1, "Error! Can`t set attributes of the dir : ", dir, GetLastError());
    }
    
    
    if(attrs & FILE_ATTRIBUTE_DIRECTORY) {
        WIN32_FIND_DATAW FindFileData;
        HANDLE hFind = INVALID_HANDLE_VALUE;
        
        WCHAR * DirSpec = appendStringW(appendStringW(NULL, dir), L"\\*" );
        
        // Find the first file in the directory.
        hFind = FindFirstFileW(DirSpec, &FindFileData);
        
        if (hFind == INVALID_HANDLE_VALUE) {
            writeErrorA(props, OUTPUT_LEVEL_DEBUG, 1, "Error! Can`t file with pattern ", DirSpec, GetLastError());
        }
        else {
            // List all the other files in the directory.
            while (FindNextFileW(hFind, &FindFileData) != 0) {
                if(lstrcmpW(FindFileData.cFileName, L".")!=0 &&
                        lstrcmpW(FindFileData.cFileName, L"..")!=0 ) {
                    WCHAR * child = appendStringW(appendStringW(appendStringW(NULL, dir), FILE_SEP), FindFileData.cFileName);
                    deleteDirectory(props, child);
                    FREE(child);
                }
            }
            
            dwError = GetLastError();
            FindClose(hFind);
            if (dwError != ERROR_NO_MORE_FILES) {
                writeErrorA(props, OUTPUT_LEVEL_DEBUG, 1, "Error! Can`t find file with pattern : ", DirSpec, dwError);
            }
        }
        
        // 20 tries in 2 seconds to delete the directory
        while(!RemoveDirectoryW(dir) && count++ < 20) Sleep(100);
        FREE(DirSpec);
    }
    else {
        // 20 tries in 2 seconds to delete the file
        while(!DeleteFileW(dir) && count++ < 20) Sleep(100);
    }
}