Index: vcl/source/gdi/mapmod.cxx
===================================================================
RCS file: /cvs/gsl/vcl/source/gdi/mapmod.cxx,v
retrieving revision 1.1.1.1
diff -u -p -u -r1.1.1.1 mapmod.cxx
--- vcl/source/gdi/mapmod.cxx	18 Sep 2000 17:05:38 -0000	1.1.1.1
+++ vcl/source/gdi/mapmod.cxx	12 Sep 2003 16:51:13 -0000
@@ -144,6 +144,12 @@ static ImplMapMode* ImplGetStaticMapMode
     static long aStaticImplMapModeAry[(MAP_LASTENUMDUMMY)*sizeof(ImplMapMode)/sizeof(long)];
 #endif
 
+	if( eUnit >= MAP_LASTENUMDUMMY )
+	{
+		DBG_ASSERTWARNING( bRelMap, "Completely bogus map unit" );
+        return ((ImplMapMode*)aStaticImplMapModeAry);
+	}
+
     ImplMapMode* pImplMapMode = ((ImplMapMode*)aStaticImplMapModeAry)+eUnit;
     if ( !pImplMapMode->mbSimple )
     {