Fix potential crash when calling QgsCircularString::pointN with bad

index
qgis · Sep 19, 2017 · afcb82e · afcb82e
1 parent e937782
commit afcb82e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/core/geometry/qgscircularstring.cpp b/src/core/geometry/qgscircularstring.cpp
@@ -389,7 +389,7 @@ int QgsCircularString::numPoints() const
 
 QgsPoint QgsCircularString::pointN( int i ) const
 {
-  if ( std::min( mX.size(), mY.size() ) <= i )
+  if ( i < 0 || std::min( mX.size(), mY.size() ) <= i )
   {
     return QgsPoint();
   }