From: geay <anthony.geay@cea.fr>
Date: Fri, 28 Mar 2014 09:58:07 +0000 (+0100)
Subject: Protect MEDCouplingUMesh::IntersectMeshes against agressive users.
X-Git-Tag: V7_4_0a1~7
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=de98e8594cd884c815f1444832593125b9d88417;p=tools%2Fmedcoupling.git

Protect MEDCouplingUMesh::IntersectMeshes against agressive users.
---

diff --git a/src/INTERP_KERNEL/Geometric2D/InterpKernelGeo2DQuadraticPolygon.cxx b/src/INTERP_KERNEL/Geometric2D/InterpKernelGeo2DQuadraticPolygon.cxx
index 9721d1fc9..a1df7ca5c 100644
--- a/src/INTERP_KERNEL/Geometric2D/InterpKernelGeo2DQuadraticPolygon.cxx
+++ b/src/INTERP_KERNEL/Geometric2D/InterpKernelGeo2DQuadraticPolygon.cxx
@@ -1120,6 +1120,7 @@ std::list<QuadraticPolygon *>::iterator QuadraticPolygon::fillAsMuchAsPossibleWi
   if(!direction)
     it.previousLoop();
   Node *nodeToTest;
+  int szMax(pol1Splitted.size()+1),ii(0);// here a protection against agressive users of IntersectMeshes of invalid input meshes
   std::list<QuadraticPolygon *>::iterator ret;
   do
     {
@@ -1133,8 +1134,11 @@ std::list<QuadraticPolygon *>::iterator QuadraticPolygon::fillAsMuchAsPossibleWi
       ret=CheckInList(nodeToTest,iStart,iEnd);
       if(completed())
         return iEnd;
+      ii++;
     }
-  while(ret==iEnd);
+  while(ret==iEnd && ii<szMax);
+  if(ii==szMax)// here a protection against agressive users of IntersectMeshes of invalid input meshes
+    throw INTERP_KERNEL::Exception("QuadraticPolygon::fillAsMuchAsPossibleWith : Something is invalid with input polygons !");
   return ret;
 }