/*
 * UNG's Not GNU
 *
 * Copyright (c) 2011-2017, Jakob Kaivo <jkk@ung.org>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#include "sh.h"
#include <stdio.h>
#include <time.h>
#include <sys/times.h>
#include <unistd.h>

#define clocktos(c) ((double)(c) / (double)CLOCKS_PER_SEC)
#define clocktom(c) ((long)clocktos(c) / 60)
#define clocktof(c) ((double)(clocktos(c)) - (double)(clocktom(c) * 60))

/* The Standard specifies an exit status of "Zero." with no other options. */

int times_main(int argc, char *argv[])
{
	while (getopt(argc, argv, "") != -1) {
		/* produce warning only */
	}

	if (argv[optind]) {
		fprintf(stderr, "times: no arguments supported\n");
		/* keep going */
	}

	struct tms tms;
	times(&tms);
	printf("%ldm%fs %ldm%fs\n%ldm%fs %ldm%fs\n",
		clocktom(tms.tms_utime), clocktof(tms.tms_utime),
		clocktom(tms.tms_stime), clocktof(tms.tms_stime),
		clocktom(tms.tms_cutime), clocktof(tms.tms_cutime),
		clocktom(tms.tms_cstime), clocktof(tms.tms_cstime));
	return 0;
}