Closes https://github.com/assimp/assimp/issues/777: fix invalid skipping

of line during face defintion parsing.

code/ObjFileImporter.cpp

@@ -114,35 +114,34 @@ const aiImporterDesc* ObjFileImporter::GetInfo () const
 
 // ------------------------------------------------------------------------------------------------
 //  Obj-file import implementation
-void ObjFileImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler)
-{
+void ObjFileImporter::InternReadFile( const std::string &file, aiScene* pScene, IOSystem* pIOHandler) {
     // Read file into memory
-    const std::string mode = "rb";
-    boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile, mode));
-    if( !file.get() ) {
-        throw DeadlyImportError( "Failed to open file " + pFile + "." );
+    static const std::string mode = "rb";
+    boost::scoped_ptr<IOStream> fileStream( pIOHandler->Open( file, mode));
+    if( !fileStream.get() ) {
+        throw DeadlyImportError( "Failed to open file " + file + "." );
     }
 
     // Get the file-size and validate it, throwing an exception when fails
-    size_t fileSize = file->FileSize();
+    size_t fileSize = fileStream->FileSize();
     if( fileSize < ObjMinSize ) {
         throw DeadlyImportError( "OBJ-file is too small.");
     }
 
     // Allocate buffer and read file into it
-    TextFileToBuffer(file.get(),m_Buffer);
+    TextFileToBuffer( fileStream.get(),m_Buffer);
 
     // Get the model name
     std::string  modelName, folderName;
-    std::string::size_type pos = pFile.find_last_of( "\\/" );
+    std::string::size_type pos = file.find_last_of( "\\/" );
     if ( pos != std::string::npos ) {
-        modelName = pFile.substr(pos+1, pFile.size() - pos - 1);
-        folderName = pFile.substr( 0, pos );
+        modelName = file.substr(pos+1, file.size() - pos - 1);
+        folderName = file.substr( 0, pos );
         if ( !folderName.empty() ) {
             pIOHandler->PushDirectory( folderName );
         }
     } else {
-        modelName = pFile;
+        modelName = file;
     }
 
     // This next stage takes ~ 1/3th of the total readFile task

code/ObjFileParser.cpp

@@ -328,8 +328,8 @@ void ObjFileParser::getVector2( std::vector<aiVector2D> &point2d_array ) {
 void ObjFileParser::getFace(aiPrimitiveType type)
 {
     copyNextLine(m_buffer, Buffersize);
-    if (m_DataIt == m_DataItEnd)
-        return;
+    /*if (m_DataIt == m_DataItEnd)
+        return;*/
 
     char *pPtr = m_buffer;
     char *pEnd = &pPtr[Buffersize];

test/models/OBJ/box_without_lineending.obj

@@ -0,0 +1,28 @@
+#	                Vertices: 8
+#	                  Points: 0
+#	                   Lines: 0
+#	                   Faces: 6
+#	               Materials: 1
+
+o 1
+
+# Vertex list
+
+v -0.5 -0.5 0.5
+v -0.5 -0.5 -0.5
+v -0.5 0.5 -0.5
+v -0.5 0.5 0.5
+v 0.5 -0.5 0.5
+v 0.5 -0.5 -0.5
+v 0.5 0.5 -0.5
+v 0.5 0.5 0.5
+
+# Point/Line/Face list
+
+usemtl Default
+f 4 3 2 1
+f 2 6 5 1
+f 3 7 6 2
+f 8 7 3 4
+f 5 8 4 1
+f 6 7 8 5