/* Peter Mauzey copied most of this code from nbs_time.c, which is
   part of NISTime_cpio.Z, Nov 6 1989 07:42, for the AT&T UNIX PC, 7300.
   The README includes:
   Robert A. Brown, (303) 538-4749, {ihnp4|hogpc}!druhi!rafb
   AT&T Bell Laboratories
   12110 N. Pecos St.,   Room: DN 8Z326
   Denver, CO  80234
*/
#include <stdio.h>
#include <time.h>
#include <sys/syslocal.h>
#include <sys/rtc.h>

long set_rtc();
main()
{
    set_rtc();		/* Set the system clock on this machine. */
}

long set_rtc()
{
    long cur_time;	/* current time on software clock        */
    struct rtc rtc;	/* structure for setting real time clock */
    struct tm *tm;	/* pointer to localtime() structure      */

    /* now set the hardware clock */

    (void)time(&cur_time);
    tm = localtime(&cur_time);	/* convert time to local time */

    rtc.wkday = tm->tm_wday;
    rtc.yr10  = tm->tm_year / 10;
    rtc.yr1   = tm->tm_year % 10;
    rtc.mon10 = (tm->tm_mon + 1) / 10;
    rtc.mon1  = (tm->tm_mon + 1) % 10;
    rtc.day10 = tm->tm_mday / 10;
    rtc.day1  = tm->tm_mday % 10;
    rtc.hr10  = tm->tm_hour / 10;
    rtc.hr1   = tm->tm_hour % 10;
    rtc.min10 = tm->tm_min / 10;
    rtc.min1  = tm->tm_min % 10;
    rtc.sec10 = tm->tm_sec / 10;
    rtc.sec1  = tm->tm_sec % 10;

    (void)syslocal(SYSL_WRTRTC, &rtc);	/* write to RTC */
    return;
}