Ticket #364: tz.patch

client/hostinfo_win.C

@@ -89 +89 @@
 int get_timezone(int& timezone) {
 
     TIME_ZONE_INFORMATION tzi;
+        ZeroMemory(&tzi, sizeof(TIME_ZONE_INFORMATION));
 
-        memset(&tzi, '\0', sizeof(TIME_ZONE_INFORMATION));
+    DWORD result = GetTimeZoneInformation(&tzi);
 
-    GetTimeZoneInformation(&tzi);
+    if (result == TIME_ZONE_ID_DAYLIGHT) {
+        timezone = -(tzi.DaylightBias * 60);
+    } else {
+        timezone = -(tzi.StandardBias * 60);
+    }
 
-    timezone = -(tzi.Bias * 60);
-
     return 0;
 }