const char * device_image_interface::working_directory() { /* check to see if we've never initialized the working directory */ if (!m_working_directory) setup_working_directory(); return m_working_directory; }
const std::string &device_image_interface::working_directory() { // check to see if we've never initialized the working directory if (m_working_directory.empty()) setup_working_directory(); return m_working_directory; }