+bool wxGetLocalTime(long *timeZone, int *dstObserved)
+{
+#if defined(HAVE_LOCALTIME) && defined(WX_GMTOFF_IN_TM)
+ time_t t0 = time(&t0);
+ if ( t0 != (time_t)-1 )
+ {
+ struct tm *tm = localtime(&t0);
+
+ if ( tm )
+ {
+ *timeZone = tm->tm_gmtoff;
+ *dstObserved = tm->tm_isdst;
+
+ return TRUE;
+ }
+ }
+#elif defined(HAVE_GETTIMEOFDAY) && !defined(WX_GETTIMEOFDAY_NO_TZ)
+ struct timeval tp;
+ struct timezone tz;
+ if ( gettimeofday(&tp, &tz) != -1 )
+ {
+ *timeZone = 60*tz.tz_minuteswest;
+ *dstObserved = tz.tz_dsttime;
+
+ return TRUE;
+ }
+#elif defined(HAVE_FTIME)
+ struct timeb tb;
+ if ( ftime(&tb) == 0 )
+ {
+ *timeZone = 60*tb.timezone;
+ *dstObserved = tb.dstflag;
+ }
+#else // no standard function return tz info
+ // special hacks for known compilers
+ #if defined(__BORLANDC__) || defined(__VISUALC__)
+ *timeZone = _timezone;
+ *dstObserved = _daylight;
+ #elif defined(__SALFORDC__)
+ *timeZone = _timezone;
+ *dstObserved = daylight;
+ #elif defined(__VISAGECPP__)
+ *timeZone = _timezone;
+ *dstObserved = daylight;
+ #elif defined(__WIN32__)
+ TIME_ZONE_INFORMATION tzInfo;
+ switch ( GetTimeZoneInformation(&tzInfo) )
+ {
+ default:
+ wxFAIL_MSG(_T("unknown GetTimeZoneInformation return code"));
+ // fall through
+
+ case TIME_ZONE_ID_UNKNOWN:
+ case TIME_ZONE_ID_STANDARD:
+ *dstObserved = FALSE;
+ break;
+
+ case TIME_ZONE_ID_DAYLIGHT:
+ *dstObserved = TRUE;
+ break;
+ }
+
+ *timeZone = 60*tzInfo.Bias;
+ #else
+ wxFAIL_MSG(_T("wxGetLocalTime() not implemented"));
+ #endif // compiler
+#endif // all ways in the known Universe to get tz info
+
+ return FALSE;
+}