/**

 * Search the readme.txt file next to this NewGRF.

 * @return The filename for the readme, \c NULL otherwise.

 */

const char *GRFConfig::GetReadme() const

{

	if (this->filename == NULL) return NULL;

	static char readme_path[MAX_PATH];

	strecpy(readme_path, this->filename, lastof(readme_path));

	char *slash = strrchr(readme_path, PATHSEPCHAR);

	if (slash == NULL) return NULL;

	strecpy(slash + 1, "readme.txt", lastof(readme_path));

	return FioCheckFileExists(readme_path, NEWGRF_DIR) ? readme_path : NULL;

}