diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/openenvcore/libc/src/ftruncate.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/genericopenlibs/openenvcore/libc/src/ftruncate.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,105 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Name        : ftruncate.cpp
+// Part of     : LIBC
+// Contains the source for fchdir
+// Version     : 1.0
+//
+
+
+ 
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h> 
+#include <fcntl.h> 
+#include "reent.h"
+#include "sysif.h"
+
+extern "C" {
+
+/*
+The reentrant version for ftruncate function.
+*/
+int _truncate_r(struct _reent *r, int fd, off_t len)
+	{
+	struct stat st;
+	
+	if(fstat(fd,&st) != 0)
+		{
+		r->_errno  = EINVAL; 	//KErrArgument
+		return -1;
+		}
+	else 
+		{
+		if (!(S_ISREG(st.st_mode)))
+			{
+			r->_errno = EBADF;	//KErrBadHandle
+			return -1;
+			}
+		}
+	
+  	return Backend()->Truncate( fd, len, r->_errno);
+	}
+
+/*
+Truncates the given file (using file descriptor) to the length specified.
+Calls the reentrant version.
+The ftruncate() function shall cause the size of the file to be truncated
+to length arument. If the size of the file previously exceeded length, the
+extra data shall no longer be available to reads on the file. If the file
+previously was smaller than this size, ftruncate() shall either increase 
+the size of the file or fail. Upon successful completion, ftruncate() shall
+return 0; otherwise, -1 shall be returned and errno set to indicate the error.
+*/
+EXPORT_C int ftruncate(int filedesc, off_t length)
+	{
+	return _truncate_r(_REENT, filedesc, length);
+	}
+
+/*
+Truncates the given file (using file name) to the length specified.
+Calls the reentrant version.
+The truncate() function shall cause the size of the file to be truncated
+to length arument. If the size of the file previously exceeded length, the
+extra data shall no longer be available to reads on the file. If the file
+previously was smaller than this size, truncate() shall either increase 
+the size of the file or fail. Upon successful completion, truncate() shall
+return 0; otherwise, -1 shall be returned and errno set to indicate the error.
+*/
+EXPORT_C int truncate(const char *file , off_t length) 
+	{
+	int fd = 0;
+	int retval = 0;
+	int errVal = 0;
+	 
+	  if((fd = open(file , O_WRONLY)) < 0) 
+	  	{
+	  	 return -1;
+	  	}
+	  retval =  ftruncate(fd , length);
+	  if(retval < 0) 
+	  	{
+	  	errVal = errno; //Store the error value 
+	  	close(fd) ;
+	  	errno = errVal;
+	  	return retval;
+	  	}
+	  	
+	 close(fd);
+	 return retval;
+	}
+
+} //extern "C"