try to fix linux build.2

code/MDL/MDLMaterialLoader.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,

code/Obj/ObjFileParser.cpp

@@ -69,6 +69,7 @@ ObjFileParser::ObjFileParser(IOStreamBuffer<char> &streamBuffer, const std::stri
         m_DataIt(),
         m_DataItEnd(),
         m_pModel(nullptr),
+        m_buffer(),
         m_uiLine(0),
         m_pIO(io),
         m_progress(progress),
@@ -89,8 +90,7 @@ ObjFileParser::ObjFileParser(IOStreamBuffer<char> &streamBuffer, const std::stri
     parseFile(streamBuffer);
 }
 
-ObjFileParser::~ObjFileParser()
-{
+ObjFileParser::~ObjFileParser() {
 }
 
 void ObjFileParser::setBuffer(std::vector<char> &buffer) {

code/Obj/ObjFileParser.h

@@ -85,6 +85,9 @@ public:
     /// @brief  Model getter.
     ObjFile::Model *GetModel() const;
 
+    ObjFileParser(const ObjFileParser&) = delete;
+    ObjFileParser &operator=(const ObjFileParser& ) = delete;
+
 protected:
     /// Parse the loaded file
     void parseFile(IOStreamBuffer<char> &streamBuffer);
@@ -136,8 +139,6 @@ protected:
 private:
     // Copy and assignment constructor should be private
     // because the class contains pointer to allocated memory
-    ObjFileParser(const ObjFileParser &rhs);
-    ObjFileParser &operator=(const ObjFileParser &rhs);
 
     /// Default material name
     static const std::string DEFAULT_MATERIAL;

code/Ply/PlyLoader.cpp

@@ -105,11 +105,15 @@ bool PLYImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool c
 
     if (extension == "ply") {
         return true;
-    } else if (!extension.length() || checkSig) {
+    }
+
+    if (!extension.length() || checkSig) {
         if (!pIOHandler) {
             return true;
         }
-        static const char *tokens[] = { "ply" };
+        static const char *tokens[] = {
+            "ply"
+        };
         return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
     }
 

code/X3D/X3DExporter.hpp

@@ -57,7 +57,7 @@ class X3DExporter {
                 Value() {
             // empty
         }
-        SAttribute(std::string name, std::string value) :
+        SAttribute(const std::string &name, const std::string &value) :
                 Name(name),
                 Value(value) {
             // empty