tdelibs/kioslave/iso/kisofile.cpp

/***************************************************************************
                          kisofile.cpp  -  description
                             -------------------
    begin                : Wed Oct 30 2002
    copyright            : (C) 2002 by Szombathelyi Gy<EFBFBD>gy
    email                : gyurco@users.sourceforge.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "kisofile.h"
#include <kdebug.h>

KIsoFile::KIsoFile( KArchive* archive, const TQString& name, int access,
    int date, int adate,int cdate, const TQString& user, const TQString& group,
    const TQString& symlink,int pos, int size) :
        KArchiveFile(archive, name, access, date, user, group, symlink, pos, size) {


    m_adate=adate;
    m_cdate=cdate;
    m_algo[0]=0;m_algo[1]=0;m_parms[0]=0;m_parms[1]=0;m_realsize=0;
}

KIsoFile::~KIsoFile(){
}

void KIsoFile::setZF(char algo[2],char parms[2],int realsize) {
    m_algo[0]=algo[0];m_algo[1]=algo[1];
    m_parms[0]=parms[0];m_parms[1]=parms[1];
    m_realsize=realsize;
}

TQByteArray KIsoFile::data(long long pos, int count) const {
    TQByteArray r;
    int rlen;
    
    if ( archive()->device()->at(position()+pos) &&
         r.resize( ((pos+count) < size()) ? count : size()-pos) ) {
        rlen=archive()->device()->readBlock( r.data(), r.size() );
        if (rlen ==- 1) r.resize(0);
        else if (rlen != (int)r.size()) r.resize(rlen);
    }

    return r;
}