char buffer[2048];

        readlink("/proc/self/exe", buffer, 2048);

        std::stringstream ss;
        ss << buffer;
        std::string exeFile = ss.str();
        std::string directory;

        const size_t last_slash_idx = exeFile.rfind('/');
        if (std::string::npos != last_slash_idx)
        {
            directory = exeFile.substr(0, last_slash_idx);
        }
        return directory;
    #endif