/*      $NetBSD: tzone.c,v 1.5 2002/07/14 00:26:18 wiz Exp $    */

#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: tzone.c,v 1.5 2002/07/14 00:26:18 wiz Exp $");
#endif

/*
* tzone.c - get the timezone
*
* This is shared by bootpd and bootpef
*/

#include <sys/types.h>

#ifdef  SVR4
/* XXX - Is this really SunOS specific? -gwr */
/* This is in <time.h> but only visible if (__STDC__ == 1). */
extern long timezone;
#else /* SVR4 */
/* BSD or SunOS */
# include <sys/time.h>
# include <syslog.h>
#endif /* SVR4 */

#include "bptypes.h"
#include "report.h"
#include "tzone.h"

/* This is what other modules use. */
int32 secondswest;

/*
* Get our timezone offset so we can give it to clients if the
* configuration file doesn't specify one.
*/
void
tzone_init(void)
{
#ifdef  SVR4
       /* XXX - Is this really SunOS specific? -gwr */
       secondswest = timezone;
#else /* SVR4 */
       struct timezone tzp;            /* Time zone offset for clients */
       struct timeval tp;                      /* Time (extra baggage) */
       if (gettimeofday(&tp, &tzp) < 0) {
               secondswest = 0;                /* Assume GMT for lack of anything better */
               report(LOG_ERR, "gettimeofday: %s", get_errmsg());
       } else {
               secondswest = 60L * tzp.tz_minuteswest; /* Convert to seconds */
       }
#endif /* SVR4 */
}