Function handle_args

src/bin/pg_test_fsync/pg_test_fsync.c:141–225

}

static void
handle_args(int argc, char *argv[])
{
	static struct option long_options[] = {
		{"filename", required_argument, NULL, 'f'},
		{"secs-per-test", required_argument, NULL, 's'},
		{NULL, 0, NULL, 0}
	};

	int			option;			/* Command line option */
	int			optindex = 0;	/* used by getopt_long */
	unsigned long optval;		/* used for option parsing */
	char	   *endptr;

	if (argc > 1)
	{
		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
		{
			printf(_("Usage: %s [-f FILENAME] [-s SECS-PER-TEST]\n"), progname);
			exit(0);
		}
		if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
		{
			puts("pg_test_fsync (Apache Cloudberry) " PG_VERSION);
			exit(0);
		}
	}

	while ((option = getopt_long(argc, argv, "f:s:",
								 long_options, &optindex)) != -1)
	{
		switch (option)
		{
			case 'f':
				filename = pg_strdup(optarg);
				break;

			case 's':
				errno = 0;
				optval = strtoul(optarg, &endptr, 10);

				if (endptr == optarg || *endptr != '\0' ||
					errno != 0 || optval != (unsigned int) optval)
				{
					pg_log_error("invalid argument for option %s", "--secs-per-test");
					fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
					exit(1);
				}

				secs_per_test = (unsigned int) optval;
				if (secs_per_test == 0)
				{
					pg_log_error("%s must be in range %u..%u",
								 "--secs-per-test", 1, UINT_MAX);
					exit(1);
				}
				break;