Fix invalid return from QgsCircularString::pointN with negative indices

qgis · Sep 19, 2017 · 6205ca5 · 6205ca5
1 parent e5b1c67
commit 6205ca5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/core/geometry/qgscircularstring.cpp b/src/core/geometry/qgscircularstring.cpp
@@ -755,7 +755,7 @@ double QgsCircularString::closestSegment( const QgsPoint &pt, QgsPoint &segmentP
 
 bool QgsCircularString::pointAt( int node, QgsPoint &point, QgsVertexId::VertexType &type ) const
 {
-  if ( node >= numPoints() )
+  if ( node < 0 || node >= numPoints() )
   {
     return false;
   }