Function SearchDataFiles

3rdparty/openal/alc/helpers.cpp:346–405

}

al::vector<std::string> SearchDataFiles(const char *ext, const char *subdir)
{
    static std::mutex search_lock;
    std::lock_guard<std::mutex> _{search_lock};

    /* If the path is absolute, use it directly. */
    al::vector<std::string> results;
    if(isalpha(subdir[0]) && subdir[1] == ':' && is_slash(subdir[2]))
    {
        std::string path{subdir};
        std::replace(path.begin(), path.end(), '/', '\\');
        DirectorySearch(path.c_str(), ext, &results);
        return results;
    }
    if(subdir[0] == '\\' && subdir[1] == '\\' && subdir[2] == '?' && subdir[3] == '\\')
    {
        DirectorySearch(subdir, ext, &results);
        return results;
    }

    std::string path;

    /* Search the app-local directory. */
    if(auto localpath = al::getenv(L"ALSOFT_LOCAL_PATH"))
    {
        path = wstr_to_utf8(localpath->c_str());
        if(is_slash(path.back()))
            path.pop_back();
    }
    else if(WCHAR *cwdbuf{_wgetcwd(nullptr, 0)})
    {
        path = wstr_to_utf8(cwdbuf);
        if(is_slash(path.back()))
            path.pop_back();
        free(cwdbuf);
    }
    else
        path = ".";
    std::replace(path.begin(), path.end(), '/', '\\');
    DirectorySearch(path.c_str(), ext, &results);

    /* Search the local and global data dirs. */
    static const int ids[2]{ CSIDL_APPDATA, CSIDL_COMMON_APPDATA };
    for(int id : ids)
    {
        WCHAR buffer[MAX_PATH];
        if(SHGetSpecialFolderPathW(nullptr, buffer, id, FALSE) == FALSE)
            continue;

        path = wstr_to_utf8(buffer);
        if(!is_slash(path.back()))
            path += '\\';
        path += subdir;
        std::replace(path.begin(), path.end(), '/', '\\');

        DirectorySearch(path.c_str(), ext, &results);
    }