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0027070: Segfault when transferring HLR-created shapes via STEPControl_Writer

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Added protection against null shape on writing: status IFSelect_RetVoid will be returned in such case (instead of access violation)
This commit is contained in:
abv 2018-03-08 09:56:01 +03:00 committed by bugmaster
parent 1167d6cc50
commit 0a0eec807d
2 changed files with 12 additions and 1 deletions
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5
src/XSControl/XSControl_WorkSession.cxx
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@ -458,7 +458,10 @@ IFSelect_ReturnStatus XSControl_WorkSession::TransferWriteShape (const TopoDS_Sh
IFSelect_ReturnStatus status;
if (myController.IsNull()) return IFSelect_RetError;
const Handle(Interface_InterfaceModel) &model = Model();
if (model.IsNull()) return IFSelect_RetVoid;
if (model.IsNull() || shape.IsNull())
{
return IFSelect_RetVoid;
}
status = myTransferWriter->TransferWriteShape (model,shape);
// qui s occupe de tout, try/catch inclus

8
tests/bugs/step/bug27070 Normal file
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@ -0,0 +1,8 @@
puts "# ======================================================================="
puts "# 0027070: Segfault when transferring HLR-created shapes via STEPControl_Writer"
puts "# ======================================================================="
puts ""
puts "Check that writing null shape does not produce access violation"
puts "REQUIRED ALL: Error: translation failed, status = 0"
stepwrite a a