ported fix for #1605 from trunk

git-svn-id: http://svn.osgeo.org/qgis/branches/Version-1_0@10449 c8812cc2-4d05-0410-92ff-de0c093fc19c
qgis · Mar 31, 2009 · a9b5429 · a9b5429
1 parent 5810a22
commit a9b5429
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/core/qgsgeometry.cpp b/src/core/qgsgeometry.cpp
@@ -310,6 +310,9 @@ static GEOSGeometry *createGeosLineString( const QgsPolyline& polyline )
 static GEOSGeometry *createGeosLinearRing( const QgsPolyline& polyline )
 {
   GEOSCoordSequence *coord = 0;
+
+  if (polyline.count() == 0)
+    return 0;
 
   try
   {