htmzrel.cc

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/* 
 *      HT Editor
 *      htmzrel.cc
 *
 *      Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License version 2 as
 *      published by the Free Software Foundation.
 *
 *      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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "htmz.h"
#include "htmzrel.h"
#include "htpal.h"
#include "httag.h"
#include "formats.h"
#include "snprintf.h"

static int htmzrel_detect(ht_streamfile *file)
{
        word rcount;
        file->seek(6);
        file->read(&rcount, 2);
        return rcount;
}

static ht_view *htmzrel_init(bounds *b, ht_streamfile *file, ht_format_group *group)
{
        ht_uformat_viewer *v=new ht_uformat_viewer();
        v->init(b, DESC_MZ_REL, VC_EDIT | VC_SEARCH, file, group);
        dword r=0;
        dword rc=0;
        file->seek(6);
        file->read(&rc, 2);
        file->seek(24);
        file->read(&r, 2);
        char buf[256];

        ht_mask_sub *m=new ht_mask_sub();
        m->init(file, 0);
        char info[128];
        ht_snprintf(info, sizeof info, "* MZ relocations at offset %08x", r);
        m->add_mask(info);
        for (int i=rc; i>0; i--) {
                int so;
                file->seek(r);
                file->read(&so, 4);
                char *b=tag_make_edit_word(buf, r+2, tag_endian_little);
                *(b++)=':';
                b=tag_make_edit_word(b, r, tag_endian_little);
                *b=0;
                m->add_mask(buf);
                r+=4;
        }
        v->insertsub(m);
        return v;
}

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