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0024383: Access violation during STEP file import

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Protection for null magnitude of vector written in file was added.

Test cases for issue CR24383
This commit is contained in:
gka
2013-11-28 11:19:34 +04:00
committed by bugmaster
parent 566f84411f
commit 5cc18856ae
2 changed files with 13 additions and 0 deletions
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3
src/StepToGeom/StepToGeom_MakeLine.cxx
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@@ -32,6 +32,7 @@
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <gp_Dir.hxx>
#include <Precision.hxx>
//=============================================================================
// Creation d' une Line de Geom a partir d' une Line de Step
@@ -46,6 +47,8 @@ Standard_Boolean StepToGeom_MakeLine::Convert (const Handle(StepGeom_Line)& SC,
Handle(Geom_VectorWithMagnitude) D;
if (StepToGeom_MakeVectorWithMagnitude::Convert(SC->Dir(),D))
{
if( D->Vec().SquareMagnitude() < Precision::Confusion() * Precision::Confusion())
return Standard_False;
const gp_Dir V(D->Vec());
CC = new Geom_Line(P->Pnt(), V);
return Standard_True;