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tar_base.h

/*
 *    tardy - a tar post-processor
 *    Copyright (C) 1998, 1999, 2004 Peter Miller;
 *    All rights reserved.
 *
 *    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 2 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 * MANIFEST: interface definition for common/tar/output/tar.cc
 */

#ifndef COMMON_TAR_OUTPUT_TAR_BASE_H
#define COMMON_TAR_OUTPUT_TAR_BASE_H

#include <file/output.h>
#include <tar/header.h>
#include <tar/output.h>

/**
  * The tar_output_tar_base class repereents a generic tar formatted
  * archive outpout, and the current state of the output.
  */
00034 class tar_output_tar_base:
    public tar_output
{
public:
    /**
      * The destructor.
      */
    virtual ~tar_output_tar_base();

    /**
      * The constructor.
      */
    tar_output_tar_base(file_output *);

    // See base class for documentation.
    virtual void write_data(const void *, int);

    // See base class for documentation.
    virtual void write_data_padding();

    // See base class for documentation.
    virtual const char *filename() const;

    // See base class for documentation.
    virtual void write_archive_end();

    // See base class for documentation.
    virtual void set_block_size(long nbytes);

private:
    /**
      * The fp instance variable is used to remember where to send the
      * output, usually the file to write the output to.
      */
00068     file_output *fp;

    /**
      * The pos instance variable is used to remember the output file
      * position.
      */
00074     long pos;

    /**
      * The block_size instance variable is used to remember the size in
      * bytes of the output block size.  This is used for output padding
      * at the end of the archive.
      */
00081     long block_size;

    /**
      * The default constructor.  Do not use.
      */
    tar_output_tar_base();

    /**
      * The copy constructor.  Do not use.
      */
    tar_output_tar_base(const tar_output_tar_base &);

    /**
      * The assignment operator.  Do not use.
      */
    tar_output_tar_base &operator = (const tar_output_tar_base &);
};

#endif /* COMMON_TAR_OUTPUT_TAR_BASE_H */

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