/*      $OpenBSD: gettimeofday.c,v 1.2 2003/07/31 21:48:08 deraadt Exp $        */
/*
 *      Written by Thomas Nordin <nordin@openbsd.org> 2002 Public Domain.
 */
#include <err.h>
#include <stdio.h>

#include <sys/time.h>

int
main(int argc, char *argv[])
{
        struct timeval s;
        struct timeval t1;
        struct timeval t2;

        if (gettimeofday(&s, NULL) == -1)
                err(1, "gettimeofday");

        do {
                if (gettimeofday(&t1, NULL) == -1)
                        err(1, "gettimeofday");
                if (gettimeofday(&t2, NULL) == -1)
                        err(1, "gettimeofday");

                if (timercmp(&t2, &t1, <))
                        errx(1, "time of day decreased");
        } while (t1.tv_sec - s.tv_sec < 7);

        return 0;
}