more fixes for coverity-findings.

code/ColladaLoader.cpp

@@ -85,24 +85,27 @@ static const aiImporterDesc desc = {
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
 ColladaLoader::ColladaLoader()
-    : mFileName()
-	, mMeshIndexByID()
-	, mMaterialIndexByName()
-	, mMeshes()
-	, newMats()
-	, mCameras()
-	, mLights()
-	, mTextures()
-	, mAnims()
-	, noSkeletonMesh( false )
-    , ignoreUpDirection(false)
-    , mNodeNameCounter( 0 )
-{}
+: mFileName()
+, mMeshIndexByID()
+, mMaterialIndexByName()
+, mMeshes()
+, newMats()
+, mCameras()
+, mLights()
+, mTextures()
+, mAnims()
+, noSkeletonMesh( false )
+, ignoreUpDirection(false)
+, useColladaName( false )
+, mNodeNameCounter( 0 ) {
+    // empty
+}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-ColladaLoader::~ColladaLoader()
-{}
+ColladaLoader::~ColladaLoader() {
+    // empty
+}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

test/unit/utPLYImportExport.cpp

@@ -56,6 +56,9 @@ public:
         const aiScene *scene = importer.ReadFile( ASSIMP_TEST_MODELS_DIR "/PLY/cube.ply", aiProcess_ValidateDataStructure);
         EXPECT_EQ( 1u, scene->mNumMeshes );
         EXPECT_NE( nullptr, scene->mMeshes[0] );
+        if (nullptr == scene->mMeshes[0]) {
+            return false;
+        }
         EXPECT_EQ( 8u, scene->mMeshes[0]->mNumVertices );
         EXPECT_EQ( 6u, scene->mMeshes[0]->mNumFaces );
         

test/unit/utglTF2ImportExport.cpp

@@ -356,11 +356,12 @@ std::vector<char> ReadFile(const char* name) {
     }
 
     ::fseek(p, 0, SEEK_END);
-    const auto size = ::ftell(p);
+    const size_t size = ::ftell(p);
     ::fseek(p, 0, SEEK_SET);
 
     ret.resize(size);
-    ::fread(&ret[0], 1, size, p);
+    const size_t readSize = ::fread(&ret[0], 1, size, p);
+    EXPECT_EQ(readSize, size);
     ::fclose(p);
 
     return ret;