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0031825: Data Exchange, STEP - NULL dereference while re-exporting model with empty Datum description

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Fix adding name and description of the datum
This commit is contained in:
dpasukhi
2020-10-17 16:21:51 +03:00
committed by bugmaster
parent 1b9cb073b9
commit 692decba26
3 changed files with 47 additions and 3 deletions
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6
src/STEPCAFControl/STEPCAFControl_Writer.cxx
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@@ -3466,8 +3466,12 @@ Standard_Boolean STEPCAFControl_Writer::WriteDGTs (const Handle(XSControl_WorkSe
Handle(XCAFDoc_Datum) DatumAttr;
if(!DatumL.FindAttribute(XCAFDoc_Datum::GetID(),DatumAttr)) continue;
Handle(TCollection_HAsciiString) aName = DatumAttr->GetName();
Handle(TCollection_HAsciiString) aDescription = DatumAttr->GetDescription();
Handle(TCollection_HAsciiString) anIdentification = DatumAttr->GetIdentification();
Handle(TCollection_HAsciiString) aDescription = DatumAttr->GetDescription();
if (aDescription.IsNull())
{
aDescription = new TCollection_HAsciiString();
}
Handle(StepDimTol_DatumFeature) DF = new StepDimTol_DatumFeature;
Handle(StepDimTol_Datum) aDatum = new StepDimTol_Datum;
DF->Init(aName, new TCollection_HAsciiString, PDS, StepData_LTrue);