/*
 * Copyright (C) 2016 Andy Spencer <andy753421@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>

#include "args.h"
#include "util.h"

/* Setup info */
static int    argc;
static char **argv;

/* Options */
const char *short_options = "h";

struct option long_options[] = {
	{"help", 0, NULL, 'h'},
};

/* Usage */
static void usage(char *name)
{
	printf("Usage:\n");
	printf("  %s [OPTION...]\n", name);
	printf("\n");
	printf("Options:\n");
	printf("  -h, --help  Print usage information\n");
}

/* Initialize */
void args_setup(int _argc, char **_argv)
{
	argc = _argc;
	argv = _argv;
}

/* Initialize */
void args_init(void)
{
	while (1) {
		int c = getopt_long(argc, argv,
				short_options, long_options, NULL);
		if (c == -1)
			break;
		switch (c) {
			case 'h':
				usage(argv[0]);
				exit(0);
				break;
		}
	}
}