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Fix possible dereferencing of invalid pointer. 

- closes https://github.com/assimp/assimp/issues/4918
pull/5066/head
Kim Kulling 2023-04-17 15:40:29 +02:00 committed by GitHub
parent 13c9db2310
commit aee4df9be8
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 7 deletions
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12
code/AssetLib/Obj/ObjFileImporter.cpp
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@ -3,7 +3,7 @@
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
Copyright (c) 2006-2023, assimp team
All rights reserved.
@ -84,7 +84,6 @@ ObjFileImporter::ObjFileImporter() :
// Destructor.
ObjFileImporter::~ObjFileImporter() {
delete m_pRootObject;
m_pRootObject = nullptr;
}
// ------------------------------------------------------------------------------------------------
@ -270,7 +269,7 @@ aiNode *ObjFileImporter::createNodes(const ObjFile::Model *pModel, const ObjFile
for (size_t i = 0; i < pObject->m_Meshes.size(); ++i) {
unsigned int meshId = pObject->m_Meshes[i];
aiMesh *pMesh = createTopology(pModel, pObject, meshId);
if (pMesh) {
if (pMesh != nullptr) {
if (pMesh->mNumFaces > 0) {
MeshArray.push_back(pMesh);
} else {
@ -324,14 +323,13 @@ aiMesh *ObjFileImporter::createTopology(const ObjFile::Model *pModel, const ObjF
return nullptr;
}
std::unique_ptr<aiMesh> pMesh(new aiMesh);
aiMesh *pMesh = new aiMesh;
if (!pObjMesh->m_name.empty()) {
pMesh->mName.Set(pObjMesh->m_name);
}
for (size_t index = 0; index < pObjMesh->m_Faces.size(); index++) {
const ObjFile::Face *inp = pObjMesh->m_Faces[index];
//ai_assert(nullptr != inp);
if (inp->mPrimitiveType == aiPrimitiveType_LINE) {
pMesh->mNumFaces += static_cast<unsigned int>(inp->m_vertices.size() - 1);
@ -387,9 +385,9 @@ aiMesh *ObjFileImporter::createTopology(const ObjFile::Model *pModel, const ObjF
}
// Create mesh vertices
createVertexArray(pModel, pData, meshIndex, pMesh.get(), uiIdxCount);
createVertexArray(pModel, pData, meshIndex, pMesh, uiIdxCount);
return pMesh.release();
return pMesh;
}
// ------------------------------------------------------------------------------------------------