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0029633: Data Exchange - access violation in StepVisual_PresentationStyleAssignment while translating STEP file

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Add several checks for null.
This commit is contained in:
ika 2018-03-23 18:12:00 +03:00 committed by bugmaster
parent bc728d2621
commit f0bef12142
4 changed files with 22 additions and 3 deletions
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2
src/STEPCAFControl/STEPCAFControl_Reader.cxx
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@ -3415,7 +3415,7 @@ static void setDimObjectToXCAF(const Handle(Standard_Transient)& theEnt,
aDimObj->SetClassOfTolerance(aHolle, aFV, aG);
}
if (!aCRI.IsNull() && aCRI->ItemElement()->Length() > 0)
if (!aCRI.IsNull() && !aCRI->ItemElement().IsNull() && aCRI->ItemElement()->Length() > 0)
{
//get modifiers
XCAFDimTolObjects_DimensionModifiersSequence aModifiers;

2
src/StepVisual/StepVisual_PresentationStyleAssignment.cxx
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@ -45,5 +45,5 @@ StepVisual_PresentationStyleSelect StepVisual_PresentationStyleAssignment::Style
Standard_Integer StepVisual_PresentationStyleAssignment::NbStyles () const
{
return styles->Length();
return (styles.IsNull()) ? 0 : styles->Length();
}

2
src/StepVisual/StepVisual_SurfaceSideStyle.cxx
View File

@ -58,5 +58,5 @@ StepVisual_SurfaceStyleElementSelect StepVisual_SurfaceSideStyle::StylesValue(co
Standard_Integer StepVisual_SurfaceSideStyle::NbStyles () const
{
return styles->Length();
return (styles.IsNull()) ? 0 : styles->Length();
}

19
tests/gdt/export/C3 Normal file
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@ -0,0 +1,19 @@
# !!!! This file is generated automatically, do not edit manually! See end script
set filename bug29633_nist_ctc_05_asme1_ap242-1.stp
set ref_data {
NbOfDimensions : 28
NbOfDimensionalSize : 1
NbOfDimensionalLocation: 5
NbOfAngular : 0
NbOfWithPath : 0
NbOfCommonLabels : 2
NbOfTolerances : 10
NbOfGTWithModifiers : 0
NbOfGTWithMaxTolerance : 0
NbOfGTWithDatums : 8
NbOfDatumFeature : 2
NbOfAttachedDatum : 9
NbOfDatumTarget : 0
}