1 /* 2 * tzone.c - get the timezone 3 * 4 * This is shared by bootpd and bootpef 5 * 6 * $FreeBSD$ 7 */ 8 9 #ifdef SVR4 10 /* XXX - Is this really SunOS specific? -gwr */ 11 /* This is in <time.h> but only visible if (__STDC__ == 1). */ 12 extern long timezone; 13 #else /* SVR4 */ 14 /* BSD or SunOS */ 15 # include <time.h> 16 # include <syslog.h> 17 #endif /* SVR4 */ 18 19 #include "bptypes.h" 20 #include "report.h" 21 #include "tzone.h" 22 23 /* This is what other modules use. */ 24 int32 secondswest; 25 26 /* 27 * Get our timezone offset so we can give it to clients if the 28 * configuration file doesn't specify one. 29 */ 30 void 31 tzone_init() 32 { 33 #ifdef SVR4 34 /* XXX - Is this really SunOS specific? -gwr */ 35 secondswest = timezone; 36 #else /* SVR4 */ 37 struct tm *tm; 38 time_t now; 39 40 (void)time(&now); 41 if ((tm = localtime(&now)) == NULL) { 42 secondswest = 0; /* Assume GMT for lack of anything better */ 43 report(LOG_ERR, "localtime() failed"); 44 } else { 45 secondswest = -tm->tm_gmtoff; 46 } 47 #endif /* SVR4 */ 48 } 49