From: asl <asl@opencascade.com>
Date: Fri, 10 Nov 2017 10:21:34 +0000 (+0300)
Subject: patch for crash
X-Git-Tag: v2.1~1
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=6dc51244491d9a127b22f2af96786b12190304af;hp=227f2115209da425ccd6d9d0e0446c39ecd981ce;p=modules%2Fgeom.git

patch for crash
---

diff --git a/src/CurveCreator/CurveCreator_Section.cxx b/src/CurveCreator/CurveCreator_Section.cxx
index 2b9beda57..0052bcbec 100644
--- a/src/CurveCreator/CurveCreator_Section.cxx
+++ b/src/CurveCreator/CurveCreator_Section.cxx
@@ -35,12 +35,16 @@ Handle(TColgp_HArray1OfPnt) CurveCreator_Section::GetDifferentPoints( int theDim
   Handle(TColgp_HArray1OfPnt) points;
 
   std::vector<gp_Pnt> aTmpPoints;
-  CurveCreator::Coordinates::const_iterator aPIt = myPoints.begin();
-  CurveCreator::Coordinates::const_iterator aPItLast = myPoints.end();
-  const gp_Pnt aFirstPoint(
-    *aPIt, *(aPIt + 1), (theDimension == 2) ? 0 : *(aPIt + 2));
-  gp_Pnt aPoint = aFirstPoint;
-  aTmpPoints.push_back(aPoint);
+
+  if( myPoints.size() > 0 )
+  {
+    CurveCreator::Coordinates::const_iterator aPIt = myPoints.begin();
+    CurveCreator::Coordinates::const_iterator aPItLast = myPoints.end();
+    const gp_Pnt aFirstPoint(
+      *aPIt, *(aPIt + 1), (theDimension == 2) ? 0 : *(aPIt + 2));
+    gp_Pnt aPoint = aFirstPoint;
+    aTmpPoints.push_back(aPoint);
+  }
 
   for (; aPIt != aPItLast; aPIt += theDimension)
   {