Index: trunk/src/io/c_file_system.cc
===================================================================
--- trunk/src/io/c_file_system.cc	(revision 124)
+++ trunk/src/io/c_file_system.cc	(revision 124)
@@ -0,0 +1,41 @@
+// Copyright (C) 2012-2013 Kornel Kisielewicz
+// This file is part of NV Libraries.
+// For conditions of distribution and use, see copyright notice in nv.hh
+
+#include <cstdio>
+#include "nv/io/c_file_system.hh"
+#include "nv/io/c_stream.hh"
+
+using namespace nv;
+
+c_file_system::c_file_system()
+{
+
+}
+
+c_file_system::~c_file_system()
+{
+
+}
+
+bool c_file_system::exists( const char* fpath )
+{
+	FILE* file = ::fopen( fpath, "rb" );
+	if ( !file )
+	{
+		return false;
+	}
+	::fclose( file );
+	return true;
+}
+
+stream* c_file_system::open( const char* fpath, const char* fmode /*= "rb" */ )
+{
+	NV_ASSERT( fpath != nullptr && fpath != "" && fmode != nullptr );
+	FILE* file = ::fopen( fpath, fmode );
+	if ( !file )
+	{
+		return nullptr;
+	}
+	return new c_stream( file, fpath );
+}
Index: trunk/src/io/c_stream.cc
===================================================================
--- trunk/src/io/c_stream.cc	(revision 124)
+++ trunk/src/io/c_stream.cc	(revision 124)
@@ -0,0 +1,85 @@
+// Copyright (C) 2012-2013 Kornel Kisielewicz
+// This file is part of NV Libraries.
+// For conditions of distribution and use, see copyright notice in nv.hh
+
+#include <cstdio>
+#include <sys/stat.h> 
+#include "nv/io/c_stream.hh"
+#include <limits>
+
+using namespace nv;
+
+c_stream::c_stream()
+	: m_file( nullptr )
+	, m_file_name( "" )
+	, m_file_size( size_t(-1) )
+{
+
+}
+
+c_stream::c_stream( void* pfile, const char* filename )
+	: m_file( nullptr )
+	, m_file_name( filename )
+	, m_file_size( size_t(-1) )
+{
+
+}
+
+c_stream::~c_stream()
+{
+	if ( m_file )
+	{
+		::fclose( (FILE*)m_file );
+	}
+}
+
+size_t c_stream::read( void* buffer, size_t size, size_t count )
+{
+	NV_ASSERT( buffer != nullptr && size != 0 && count != 0, "Bad parameter passed to read!" );
+	return m_file ? ::fread( buffer, size, count, (FILE*)m_file ) : 0;
+}
+
+size_t c_stream::write( void* buffer, size_t size, size_t count )
+{
+	NV_ASSERT( buffer != nullptr && size != 0 && count != 0, "Bad parameter passed to write!" );
+	return m_file ? ::fwrite( buffer, size, count, (FILE*)m_file ) : 0;
+}
+
+bool c_stream::seek( size_t offset, origin orig )
+{
+	return m_file != nullptr && ( ::fseek( (FILE*)m_file, (long)offset, static_cast<int>(orig) ) == 0 );
+}
+
+size_t c_stream::tell()
+{
+	return m_file != nullptr ? ::ftell( (FILE*)m_file ) : 0;
+}
+
+size_t c_stream::size()
+{
+	if ( m_file == nullptr || m_file_name == "" )
+	{
+		return 0;
+	}
+
+	if ( m_file_size == size_t(-1) )
+	{
+		struct stat fstat; 
+		int result = stat(m_file_name.c_str(), &fstat ); 
+		if ( result != 0 ) 
+		{
+			return 0; 
+		}
+		m_file_size = (size_t) (fstat.st_size); 		
+	}
+
+	return m_file_size;
+}
+
+void c_stream::flush()
+{
+	if ( m_file != nullptr )
+	{
+		::fflush( (FILE*)m_file );
+	}
+}