[gschneider] 42428: Retrieve the timezone bias in mktime via GetTimeZoneInformation

Author: gschneider
Date: Thu Aug  6 17:18:24 2009
New Revision: 42428

URL: http://svn.reactos.org/svn/reactos?rev=42428&view=rev
Log:
Retrieve the timezone bias in mktime via GetTimeZoneInformation

Modified:
    trunk/reactos/lib/sdk/crt/time/mktime.c

Modified: trunk/reactos/lib/sdk/crt/time/mktime.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/time/mktime.c?…
==============================================================================
--- trunk/reactos/lib/sdk/crt/time/mktime.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/time/mktime.c [iso-8859-1] Thu Aug  6 17:18:24 2009
@@ -18,6 +18,8 @@
     struct tm *ptm2;
     __time64_t time;
     int mons, years, leapyears;
+    TIME_ZONE_INFORMATION tzi;
+    DWORD ret;
 
     /* Normalize year and month */
     if (ptm->tm_mon < 0)
@@ -84,7 +86,11 @@
     *ptm = *ptm2;
 
     /* Finally adjust by the difference to GMT in seconds */
-    time += _timezone;
+    ret = GetTimeZoneInformation(&tzi);
+    if (ret != TIME_ZONE_ID_INVALID)
+    {
+        time += tzi.Bias * 60;
+    }
 
     return time;
 }