C++ (Cpp) show_valid_args Examples

Example #1

File: parser.c Project: gduchene/dhcpd

struct parse_result *
parse(int argc, char *argv[])
{
	const struct token	*table = t_main;
	const struct token	*match;

	bzero(&res, sizeof(res));

	/* may be overwritten by shared_network_opt or group_opt */
	strlcpy(res.string, "default", sizeof res.string);
	strlcpy(res.group, "default", sizeof res.group);

	while (argc >= 0) {
		if ((match = match_token(&argc, &argv, table)) == NULL) {
			fprintf(stderr, "valid commands/args:\n");
			show_valid_args(table);
			return (NULL);
		}

		argc--;
		argv++;

		if (match->type == NOTOKEN || match->next == NULL)
			break;

		table = match->next;
	}

	if (argc > 0) {
		fprintf(stderr, "superfluous argument: %s\n", argv[0]);
		return (NULL);
	}

	return (&res);
}

Example #2

File: parser.c Project: yasuoka/mailest

struct parse_result *
parse(int argc, char *argv[])
{
	const struct token	*table = t_main;
	const struct token	*match;

	bzero(&res, sizeof(res));

	while (argc >= 0) {
		if ((match = match_token(argv[0], table)) == NULL) {
			fprintf(stderr, "valid commands/args:\n");
			show_valid_args(table);
			return (NULL);
		}

		argc--;
		argv++;

		if (match->type == NOTOKEN || match->next == NULL)
			break;

		table = match->next;
	}

	if (argc > 0) {
		fprintf(stderr, "superfluous argument: %s\n", argv[0]);
		return (NULL);
	}

	return (&res);
}

Example #3

struct parse_result *
parse(int argc, char *argv[])
{
	const struct token	*table = t_main;
	const struct token	*match;

	bzero(&res, sizeof(res));
	res.community.as = COMMUNITY_UNSET;
	res.community.type = COMMUNITY_UNSET;
	TAILQ_INIT(&res.set);
	if ((res.irr_outdir = getcwd(NULL, 0)) == NULL) {
		fprintf(stderr, "getcwd failed: %s", strerror(errno));
		return (NULL);
	}

	while (argc >= 0) {
		if ((match = match_token(&argc, &argv, table)) == NULL) {
			fprintf(stderr, "valid commands/args:\n");
			show_valid_args(table);
			return (NULL);
		}

		argc--;
		argv++;

		if (match->type == NOTOKEN || match->next == NULL)
			break;

		table = match->next;
	}

	if (argc > 0) {
		fprintf(stderr, "superfluous argument: %s\n", argv[0]);
		return (NULL);
	}

	return (&res);
}