Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CWriteFile.h

@@ -0,0 +1,64 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __C_WRITE_FILE_H_INCLUDED__
+#define __C_WRITE_FILE_H_INCLUDED__
+
+#include <stdio.h>
+#include "IWriteFile.h"
+#include "irrString.h"
+
+namespace irr
+{
+
+namespace io
+{
+
+	/*!
+		Class for writing a real file to disk.
+	*/
+	class CWriteFile : public IWriteFile
+	{
+	public:
+
+		CWriteFile(const io::path& fileName, bool append);
+
+		virtual ~CWriteFile();
+
+		//! Reads an amount of bytes from the file.
+		virtual size_t write(const void* buffer, size_t sizeToWrite) _IRR_OVERRIDE_;
+
+		//! Changes position in file, returns true if successful.
+		virtual bool seek(long finalPos, bool relativeMovement = false) _IRR_OVERRIDE_;
+
+		//! Returns the current position in the file.
+		virtual long getPos() const _IRR_OVERRIDE_;
+
+		//! Returns name of file.
+		virtual const io::path& getFileName() const _IRR_OVERRIDE_;
+
+		//! Flush the content of the buffer in the file
+		virtual bool flush() _IRR_OVERRIDE_;
+
+		//! returns if file is open
+		bool isOpen() const;
+
+		//! creator method
+		static IWriteFile* createWriteFile(const io::path& fileName, bool append);
+
+	private:
+
+		//! opens the file
+		void openFile(bool append);
+
+		io::path Filename;
+		FILE* File;
+		long FileSize;
+	};
+
+} // end namespace io
+} // end namespace irr
+
+#endif
+