Function main

scripts/config/conf.c:723–909

}

int main(int ac, char **av)
{
	const char *progname = av[0];
	int opt;
	const char *name, *defconfig_file = NULL /* gcc uninit */;
	const char *input_file = NULL, *output_file = NULL;
	int no_conf_write = 0;

	tty_stdio = isatty(0) && isatty(1);

	while ((opt = getopt_long(ac, av, "hr:w:s", long_opts, NULL)) != -1) {
		switch (opt) {
		case 'h':
			conf_usage(progname);
			exit(1);
			break;
		case 'r':
			input_file = optarg;
			break;
		case 's':
			conf_set_message_callback(NULL);
			break;
		case 'w':
			output_file = optarg;
			break;
		case 0:
			switch (input_mode_opt) {
			case syncconfig:
				/*
				 * syncconfig is invoked during the build stage.
				 * Suppress distracting
				 *   "configuration written to ..."
				 */
				conf_set_message_callback(NULL);
				sync_kconfig = 1;
				break;
			case defconfig:
			case savedefconfig:
				defconfig_file = optarg;
				break;
			case randconfig:
				set_randconfig_seed();
				break;
			case fatalrecursive:
				recursive_is_error = 1;
				continue;
			default:
				break;
			}
			input_mode = input_mode_opt;
		default:
			break;
		}
	}
	if (ac == optind) {
		fprintf(stderr, "%s: Kconfig file missing\n", av[0]);
		conf_usage(progname);
		exit(1);