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/*

  (c) Copyright 1992 Eric Backus

  This software may be used freely so long as this copyright notice is

  left intact.  There is no warrantee on this software.

*/

#include <time.h>

#include <sys/time.h>

#include "dos.h"

static int daylight, gmtoffset;

int

gettimeofday (struct timeval *tp, struct timezone *tzp)

{

  if (tp)

  {

    struct time t;

    struct date d;

    struct tm tmrec;

    gettime (&t);

    getdate (&d);

    tmrec.tm_year = d.da_year - 1900;

    tmrec.tm_mon = d.da_mon - 1;

    tmrec.tm_mday = d.da_day;

    tmrec.tm_hour = t.ti_hour;

    tmrec.tm_min = t.ti_min;

    tmrec.tm_sec = t.ti_sec;

/*    tmrec.tm_gmtoff = gmtoffset;*/

    tmrec.tm_isdst = daylight;

    tp->tv_sec = mktime (&tmrec);

    tp->tv_usec = t.ti_hund * (1000000 / 100);

  }

  if (tzp)

  {

    tzp->tz_minuteswest = gmtoffset;

    tzp->tz_dsttime = daylight;

  }

  return 0;

}

void

__gettimeofday_init ()

{

  time_t ltm, gtm;

  struct tm *lstm;

  daylight = 0;

  gmtoffset = 0;

  ltm = gtm = time (NULL);

  ltm = mktime (lstm = localtime (&ltm));

  gtm = mktime (gmtime (&gtm));

  daylight = lstm->tm_isdst;

  gmtoffset = (int)(gtm - ltm) / 60;

}