/* p_com.h --

   This file is part of the UPX executable compressor.

   Copyright (C) 1996-2000 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 1996-2000 Laszlo Molnar

   UPX and the UCL library are free software; you can redistribute them
   and/or modify them 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; see the file COPYING.
   If not, write to the Free Software Foundation, Inc.,
   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

   Markus F.X.J. Oberhumer                   Laszlo Molnar
   markus.oberhumer@jk.uni-linz.ac.at        ml1050@cdata.tvnet.hu
 */


#ifndef __UPX_P_COM_H
#define __UPX_P_COM_H


/*************************************************************************
// dos/com
**************************************************************************/

class PackCom : public Packer
{
    typedef Packer super;
public:
    PackCom(InputFile *f) : super(f) { }
    virtual int getVersion() const { return 11; }
    virtual int getFormat() const { return UPX_F_DOS_COM; }
    virtual const char *getName() const { return "dos/com"; }
    virtual int getCompressionMethod() const;
    virtual const int *getFilters() const;

    virtual void pack(OutputFile *fo);
    virtual void unpack(OutputFile *fo);

    virtual bool canPack();
    virtual int canUnpack();

protected:
    virtual const unsigned getCallTrickOffset() const { return 0x100; }

protected:
    virtual int buildLoader(const Filter *ft);
    virtual void patchLoader(OutputFile *fo, upx_byte *, int, unsigned, unsigned);
    virtual void addFilter16(int filter_id);
};


#endif /* already included */


/*
vi:ts=4:et
*/