#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>

#include "options.h"

static uint32_t m_flags;

int options_parse(int argc, char **argv)
{
	int opt;
	int nparsed = 0;
	while((opt = getopt(argc, argv, "c")) != -1) {
		switch(opt) {
			case 'c':
				m_flags |= (1 << OPTIONS_FLAG_IS_CENTRAL_NODE);
				break;

			default:
				fprintf(stderr,
						"Usage: %s [-c]\n\n"
						"  -c     Makes this node a central node (base station).\n",
						argv[0]);
				exit(EXIT_FAILURE);
		}

		nparsed++;
	}

	return nparsed;
}

bool options_is_flag_set(options_flag_t flag)
{
	return (m_flags & (1 << flag)) != 0;
}