Merge branch 'assimp:master' into master

code/AssetLib/FBX/FBXCommon.h

@@ -55,6 +55,7 @@ const char NULL_RECORD[NumNullRecords] = { // 25 null bytes in 64-bit and 13 nul
     '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
     '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'
 }; // who knows why, it looks like two integers 32/64 bit (compressed and uncompressed sizes?) + 1 byte (might be compression type?)
+static std::string NULL_RECORD_STRING(NumNullRecords, '\0');
 const std::string SEPARATOR = { '\x00', '\x01' }; // for use inside strings
 const std::string MAGIC_NODE_TAG = "_$AssimpFbx$"; // from import
 const int64_t SECOND = 46186158000; // FBX's kTime unit

code/AssetLib/FBX/FBXExportNode.cpp

@@ -360,7 +360,7 @@ void FBX::Node::EndBinary(
     bool has_children
 ) {
     // if there were children, add a null record
-    if (has_children) { s.PutString(Assimp::FBX::NULL_RECORD); }
+    if (has_children) { s.PutString(Assimp::FBX::NULL_RECORD_STRING); }
 
     // now go back and write initial pos
     this->end_pos = s.Tell();

code/AssetLib/MD5/MD5Parser.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2022, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -117,6 +115,9 @@ void MD5Parser::ParseHeader() {
         ReportError("MD5 version tag is unknown (10 is expected)");
     }
     SkipLine();
+    if (buffer == bufferEnd) {
+        return;
+    }
 
     // print the command line options to the console
     // FIX: can break the log length limit, so we need to be careful
@@ -135,8 +136,9 @@ bool MD5Parser::ParseSection(Section &out) {
 
     // first parse the name of the section
     char *sz = buffer;
-    while (!IsSpaceOrNewLine(*buffer))
-        buffer++;
+    while (!IsSpaceOrNewLine(*buffer)) {
+        ++buffer;
+    }
     out.mName = std::string(sz, (uintptr_t)(buffer - sz));
     SkipSpaces();
 
@@ -144,14 +146,14 @@ bool MD5Parser::ParseSection(Section &out) {
     while (running) {
         if ('{' == *buffer) {
             // it is a normal section so read all lines
-            buffer++;
+            ++buffer;
             bool run = true;
             while (run) {
                 if (!SkipSpacesAndLineEnd()) {
                     return false; // seems this was the last section
                 }
                 if ('}' == *buffer) {
-                    buffer++;
+                    ++buffer;
                     break;
                 }
 
@@ -163,7 +165,7 @@ bool MD5Parser::ParseSection(Section &out) {
 
                 // terminate the line with zero
                 while (!IsLineEnd(*buffer))
-                    buffer++;
+                    ++buffer;
                 if (*buffer) {
                     ++lineNumber;
                     *buffer++ = '\0';

code/AssetLib/OFF/OFFLoader.cpp

@@ -292,6 +292,7 @@ void OFFImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOS
         if(!idx || idx > 9) {
 	        ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed");
             --mesh->mNumFaces;
+            ++i;
             continue;
 	    }
 	    faces->mNumIndices = idx;

code/AssetLib/Obj/ObjFileParser.cpp

@@ -440,7 +440,7 @@ void ObjFileParser::getFace(aiPrimitiveType type) {
     const bool vt = (!m_pModel->mTextureCoord.empty());
     const bool vn = (!m_pModel->mNormals.empty());
     int iPos = 0;
-    while (m_DataIt != m_DataItEnd) {
+    while (m_DataIt < m_DataItEnd) {
         int iStep = 1;
 
         if (IsLineEnd(*m_DataIt)) {

code/AssetLib/Obj/ObjTools.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2021, assimp team
+Copyright (c) 2006-2022, assimp team
 
 All rights reserved.
 
@@ -111,6 +111,10 @@ inline Char_T getNextToken(Char_T pBuffer, Char_T pEnd) {
  */
 template <class char_t>
 inline char_t skipLine(char_t it, char_t end, unsigned int &uiLine) {
+    if (it >= end) {
+        return it;
+    }
+
     while (!isEndOfBuffer(it, end) && !IsLineEnd(*it)) {
         ++it;
     }