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tzone.c revision 1.3 
      1 /*	$NetBSD: tzone.c,v 1.3 1998/01/09 08:09:18 perry Exp $	*/
      2 
      3 /*
      4  * tzone.c - get the timezone
      5  *
      6  * This is shared by bootpd and bootpef
      7  */
      8 
      9 #include <sys/types.h>
     10 
     11 #ifdef	SVR4
     12 /* XXX - Is this really SunOS specific? -gwr */
     13 /* This is in <time.h> but only visible if (__STDC__ == 1). */
     14 extern long timezone;
     15 #else /* SVR4 */
     16 /* BSD or SunOS */
     17 # include <sys/time.h>
     18 # include <syslog.h>
     19 #endif /* SVR4 */
     20 
     21 #include "bptypes.h"
     22 #include "report.h"
     23 #include "tzone.h"
     24 
     25 /* This is what other modules use. */
     26 int32 secondswest;
     27 
     28 /*
     29  * Get our timezone offset so we can give it to clients if the
     30  * configuration file doesn't specify one.
     31  */
     32 void
     33 tzone_init()
     34 {
     35 #ifdef	SVR4
     36 	/* XXX - Is this really SunOS specific? -gwr */
     37 	secondswest = timezone;
     38 #else /* SVR4 */
     39 	struct timezone tzp;		/* Time zone offset for clients */
     40 	struct timeval tp;			/* Time (extra baggage) */
     41 	if (gettimeofday(&tp, &tzp) < 0) {
     42 		secondswest = 0;		/* Assume GMT for lack of anything better */
     43 		report(LOG_ERR, "gettimeofday: %s", get_errmsg());
     44 	} else {
     45 		secondswest = 60L * tzp.tz_minuteswest;	/* Convert to seconds */
     46 	}
     47 #endif /* SVR4 */
     48 }
     49