BUG: HDF5TransformIO throw exception instead of segfault

With an empty input transform list. Otherwise, `transformList.front()->GetTransformTypeAsString()` will segfault.
InsightSoftwareConsortium · Jun 26, 2024 · 1381ec4 · 1381ec4
1 parent 910f689
commit 1381ec4
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Modules/IO/TransformHDF5/src/itkHDF5TransformIO.cxx b/Modules/IO/TransformHDF5/src/itkHDF5TransformIO.cxx
@@ -434,6 +434,10 @@ HDF5TransformIOTemplate<TParametersValueType>::Write()
 
     ConstTransformListType & transformList = this->GetWriteTransformList();
 
+    if (transformList.empty())
+    {
+      itkExceptionMacro(<< "No transforms to write");
+    }
     std::string compositeTransformType = transformList.front()->GetTransformTypeAsString();
 
     CompositeTransformIOHelperTemplate<TParametersValueType> helper;