wireshark/cfile.c

62 lines
1.8 KiB
C

/* cfile.c
* capture_file GUI-independent manipulation
* Vassilii Khachaturov <vassilii@tarunz.org>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <glib.h>
#include <epan/packet.h>
#include "cfile.h"
const char *
cap_file_get_interface_name(void *data, guint32 interface_id)
{
capture_file *cf = (capture_file *) data;
wtapng_iface_descriptions_t *idb_info;
const wtapng_if_descr_t *wtapng_if_descr = NULL;
idb_info = wtap_file_get_idb_info(cf->wth);
if (interface_id < idb_info->interface_data->len)
wtapng_if_descr = &g_array_index(idb_info->interface_data, wtapng_if_descr_t, interface_id);
g_free(idb_info);
if (wtapng_if_descr) {
if (wtapng_if_descr->if_name)
return wtapng_if_descr->if_name;
else if (wtapng_if_descr->if_description)
return wtapng_if_descr->if_description;
}
return "unknown";
}
void
cap_file_init(capture_file *cf)
{
/* Initialize the capture file struct */
memset(cf, 0, sizeof(capture_file));
cf->snap = WTAP_MAX_PACKET_SIZE;
}