/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.fs;
import java.io.IOException;
/**
* <p>
* Interface for {@link FSFile} implementation that support reading "slack space" at the end of the file data.
* </p>
* <p>
* For example if a filesystem has a block size of 512 bytes and a file is only using 500 bytes then there will be 12
* bytes of unallocated space at the end of the block that may contain data from a previous file.
* </p>
*/
public interface FSFileSlackSpace {
/**
* Gets the file slack space.
*
* @return the slack space.
* @throws IOException if an error occurs reading the file.
*/
byte[] getSlackSpace() throws IOException;
}