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