Function parse_args

dpdk/examples/ip_pipeline/main.c:53–144

};

static int
parse_args(int argc, char **argv)
{
	char *app_name = argv[0];
	struct option lgopts[] = {
		{ NULL,  0, 0, 0 }
	};
	int opt, option_index;
	int h_present, p_present, s_present, n_args, i;

	/* Skip EAL input args */
	n_args = argc;
	for (i = 0; i < n_args; i++)
		if (strcmp(argv[i], "--") == 0) {
			argc -= i;
			argv += i;
			break;
		}

	if (i == n_args)
		return 0;

	/* Parse args */
	h_present = 0;
	p_present = 0;
	s_present = 0;

	while ((opt = getopt_long(argc, argv, "h:p:s:", lgopts, &option_index))
			!= EOF)
		switch (opt) {
		case 'h':
			if (h_present) {
				printf("Error: Multiple -h arguments\n");
				return -1;
			}
			h_present = 1;

			if (!strlen(optarg)) {
				printf("Error: Argument for -h not provided\n");
				return -1;
			}

			app.conn.addr = strdup(optarg);
			if (app.conn.addr == NULL) {
				printf("Error: Not enough memory\n");
				return -1;
			}
			break;

		case 'p':
			if (p_present) {
				printf("Error: Multiple -p arguments\n");
				return -1;
			}
			p_present = 1;

			if (!strlen(optarg)) {
				printf("Error: Argument for -p not provided\n");