From: msv <msv@opencascade.com>
Date: Wed, 15 May 2019 09:10:36 +0000 (+0300)
Subject: 0030712: Application Framework - Protect binary TriangulationDriver against empty... 
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2FCR0-720-Hybrid;p=occt-copy.git

0030712: Application Framework - Protect binary TriangulationDriver against empty triangulation in the file

The matter is that when the binary OCAF file contained a triangulation with 0 nodes and 0 triangles the method Paste would cause construction error of Poly_Triangulation.
This patch protects this method against exception.
---

diff --git a/src/BinMDataXtd/BinMDataXtd_TriangulationDriver.cxx b/src/BinMDataXtd/BinMDataXtd_TriangulationDriver.cxx
index fa7e565539..1d335f6ed7 100644
--- a/src/BinMDataXtd/BinMDataXtd_TriangulationDriver.cxx
+++ b/src/BinMDataXtd/BinMDataXtd_TriangulationDriver.cxx
@@ -63,6 +63,11 @@ Standard_Boolean BinMDataXtd_TriangulationDriver::Paste(const BinObjMgt_Persiste
   theSource >> hasUV;
   theSource >> deflection;
 
+  if (!nbNodes || !nbTriangles)
+  {
+    return Standard_False;
+  }
+
   // allocate the mesh
   Handle(Poly_Triangulation) PT = new Poly_Triangulation(nbNodes, nbTriangles, hasUV);