diskio.h

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/*
 * Copyright (C) 2018-2024 by Norbert Schlia (nschlia@oblivion-software.de)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * On Debian systems, the complete text of the GNU General Public License
 * Version 3 can be found in `/usr/share/common-licenses/GPL-3'.
 */
 
#ifndef DISKIO_H
#define DISKIO_H
 
#pragma once
 
#include "fileio.h"
 
class DiskIO : public FileIO
{
public:
    explicit DiskIO();
    virtual ~DiskIO();
 
    virtual VIRTUALTYPE type() const override;
    virtual size_t  bufsize() const override;
 
    virtual int     openio(LPVIRTUALFILE virtualfile) override;
    virtual size_t  readio(void *data, size_t size) override;
    virtual int     error() const override;
    virtual int64_t duration() const override;
    virtual size_t  size() const override;
    virtual size_t  tell() const override;
    virtual int     seek(int64_t offset, int whence) override;
    virtual bool    eof() const override;
    virtual void    closeio() override;
 
private:
    void            pvt_close();
 
protected:
    FILE *          m_fpi;                                      
};
 
#endif // DISKIO_H