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Merge pull request #4249 from assimp/kimkulling-fix_nullptr_dereferencing_issue4237

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Fix nullptr dereferencing from std::shared_ptr
This commit is contained in:
Kim Kulling
2021-12-10 11:02:32 +01:00
committed by GitHub
parent ea2e442046 68682d75b5
commit 6bb856335f
1 changed files with 5 additions and 0 deletions
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5
code/AssetLib/DXF/DXFLoader.cpp
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@@ -378,6 +378,11 @@ void DXFImporter::ExpandBlockReferences(DXF::Block& bl,const DXF::BlockMap& bloc
const DXF::Block& bl_src = *(*it).second;
for (std::shared_ptr<const DXF::PolyLine> pl_in : bl_src.lines) {
if (!pl_in) {
ASSIMP_LOG_ERROR("DXF: PolyLine instance is nullptr, skipping.");
continue;
}
std::shared_ptr<DXF::PolyLine> pl_out = std::shared_ptr<DXF::PolyLine>(new DXF::PolyLine(*pl_in));
if (bl_src.base.Length() || insert.scale.x!=1.f || insert.scale.y!=1.f || insert.scale.z!=1.f || insert.angle || insert.pos.Length()) {