Copy irrlichtmt to <root>/irr/

irr/src/CWriteFile.cpp

@@ -0,0 +1,106 @@
+// 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
+
+#include "CWriteFile.h"
+#include <cstdio>
+
+namespace irr
+{
+namespace io
+{
+
+CWriteFile::CWriteFile(const io::path &fileName, bool append) :
+		Filename(fileName), FileSize(0)
+{
+#ifdef _DEBUG
+	setDebugName("CWriteFile");
+#endif
+
+	openFile(append);
+}
+
+CWriteFile::~CWriteFile()
+{
+	if (File)
+		fclose(File);
+}
+
+//! returns if file is open
+inline bool CWriteFile::isOpen() const
+{
+	return File != 0;
+}
+
+//! returns how much was read
+size_t CWriteFile::write(const void *buffer, size_t sizeToWrite)
+{
+	if (!isOpen())
+		return 0;
+
+	return fwrite(buffer, 1, sizeToWrite, File);
+}
+
+//! changes position in file, returns true if successful
+//! if relativeMovement==true, the pos is changed relative to current pos,
+//! otherwise from begin of file
+bool CWriteFile::seek(long finalPos, bool relativeMovement)
+{
+	if (!isOpen())
+		return false;
+
+	return fseek(File, finalPos, relativeMovement ? SEEK_CUR : SEEK_SET) == 0;
+}
+
+//! returns where in the file we are.
+long CWriteFile::getPos() const
+{
+	return ftell(File);
+}
+
+//! opens the file
+void CWriteFile::openFile(bool append)
+{
+	if (Filename.size() == 0) {
+		File = 0;
+		return;
+	}
+
+	File = fopen(Filename.c_str(), append ? "ab" : "wb");
+
+	if (File) {
+		// get FileSize
+
+		fseek(File, 0, SEEK_END);
+		FileSize = ftell(File);
+		fseek(File, 0, SEEK_SET);
+	}
+}
+
+//! returns name of file
+const io::path &CWriteFile::getFileName() const
+{
+	return Filename;
+}
+
+//! Flush the content of the buffer in the file
+bool CWriteFile::flush()
+{
+	if (!isOpen())
+		return false;
+
+	return fflush(File) == 0; // 0 indicates success, otherwise EOF and errno is set
+}
+
+IWriteFile *CWriteFile::createWriteFile(const io::path &fileName, bool append)
+{
+	CWriteFile *file = new CWriteFile(fileName, append);
+	if (file->isOpen())
+		return file;
+
+	file->drop();
+	return 0;
+}
+
+} // end namespace io
+} // end namespace irr