/* -*-C++-*-    $NetBSD: file_ufs.h,v 1.5 2008/04/28 20:23:20 martin Exp $      */

/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _HPCBOOT_FILE_UFS_H_
#define _HPCBOOT_FILE_UFS_H_

#include <file.h>

struct open_file; // forward declaration

class UfsFile : public File {
private:
       int _unit;
       struct open_file *_f;

public:
       UfsFile(Console *&);
       virtual ~UfsFile(void);

       BOOL setRoot(TCHAR *);
       BOOL open(const TCHAR *, uint32_t);
       size_t size(void);
       BOOL close(void);
       size_t read(void *, size_t, off_t = -1);
       size_t write(const void *, size_t, off_t = -1);
       BOOL seek(off_t);
};

#define O_RDONLY        0x0000          /* open for reading only */

#endif //_HPCBOOT_FILE_UFS_H_