1 /* $NetBSD: tzone.c,v 1.4 1998/03/14 04:39:55 lukem Exp $ */ 2 3 #include <sys/cdefs.h> 4 #ifndef lint 5 __RCSID("$NetBSD: tzone.c,v 1.4 1998/03/14 04:39:55 lukem Exp $"); 6 #endif 7 8 /* 9 * tzone.c - get the timezone 10 * 11 * This is shared by bootpd and bootpef 12 */ 13 14 #include <sys/types.h> 15 16 #ifdef SVR4 17 /* XXX - Is this really SunOS specific? -gwr */ 18 /* This is in <time.h> but only visible if (__STDC__ == 1). */ 19 extern long timezone; 20 #else /* SVR4 */ 21 /* BSD or SunOS */ 22 # include <sys/time.h> 23 # include <syslog.h> 24 #endif /* SVR4 */ 25 26 #include "bptypes.h" 27 #include "report.h" 28 #include "tzone.h" 29 30 /* This is what other modules use. */ 31 int32 secondswest; 32 33 /* 34 * Get our timezone offset so we can give it to clients if the 35 * configuration file doesn't specify one. 36 */ 37 void 38 tzone_init() 39 { 40 #ifdef SVR4 41 /* XXX - Is this really SunOS specific? -gwr */ 42 secondswest = timezone; 43 #else /* SVR4 */ 44 struct timezone tzp; /* Time zone offset for clients */ 45 struct timeval tp; /* Time (extra baggage) */ 46 if (gettimeofday(&tp, &tzp) < 0) { 47 secondswest = 0; /* Assume GMT for lack of anything better */ 48 report(LOG_ERR, "gettimeofday: %s", get_errmsg()); 49 } else { 50 secondswest = 60L * tzp.tz_minuteswest; /* Convert to seconds */ 51 } 52 #endif /* SVR4 */ 53 } 54