htnenms.cc

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/* 
 *      HT Editor
 *      htnenms.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 "htatom.h"
#include "htendian.h"
#include "htne.h"
#include "htnenms.h"
#include "httag.h"
#include "formats.h"
#include "snprintf.h"

#include <stdlib.h>
#include <string.h>

static void assign_entrypoint_name(ht_ne_shared_data *ne_shared, UINT i, char *name)
{
        if (ne_shared->entrypoints) {
                ht_ne_entrypoint *e = (ht_ne_entrypoint*)ne_shared->entrypoints->get(i);
                if (e) {
                        e->name = strdup(name);
                } /*else fprintf(stderr, "entry %d not available\n", i);*/
        } /* else trouble :-) */
}

static ht_view *htnenames_init(bounds *b, ht_streamfile *file, ht_format_group *group)
{
        ht_ne_shared_data *ne_shared=(ht_ne_shared_data *)group->get_shared_data();

        dword h=ne_shared->hdr_ofs;
        ht_uformat_viewer *v=new ht_uformat_viewer();
        v->init(b, DESC_NE_NAMES, VC_EDIT | VC_SEARCH, file, group);
        ht_mask_sub *m=new ht_mask_sub();
        m->init(file, 0);

        char line[256]; /* secure */
        char *n;
        int i;

        ht_snprintf(line, sizeof line, "* NE resident names table at offset %08x", h+ne_shared->hdr.restab);
        m->add_mask(line);

        file->seek(h+ne_shared->hdr.restab);
        i=0;
        while (*(n=getstrp(file))) {
                char buf[2];
                file->read(buf, 2);
                word ent = create_host_int(buf, 2, little_endian);
                if (!i) {
                        ht_snprintf(line, sizeof line, "description: %s", n);
                } else {
                        ht_snprintf(line, sizeof line, "%04x %s", ent, n);
                        assign_entrypoint_name(ne_shared, ent, n);
                }
                free(n);
                m->add_mask(line);
                i++;
        }
        free(n);

        m->add_mask("----------------------------------------------------------------");
        ht_snprintf(line, sizeof line, "* NE non-resident names table at offset %08x", ne_shared->hdr.nrestab);
        m->add_mask(line);

        file->seek(ne_shared->hdr.nrestab);
        i=0;
        while (*(n=getstrp(file))) {
                char buf[2];
                file->read(buf, 2);
                word ent = create_host_int(buf, 2, little_endian);
                if (!i) {
                        ht_snprintf(line, sizeof line, "description: %s", n);
                } else {
                        ht_snprintf(line, sizeof line, "%04x %s", ent, n);
                        assign_entrypoint_name(ne_shared, ent, n);
                }
                free(n);
                m->add_mask(line);
                i++;
        }
        free(n);

        v->insertsub(m);

        return v;
}

format_viewer_if htnenames_if = {
        htnenames_init,
        NULL
};

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