3beab65515
A string option, if present, always has a value; it might be a null *string*, but you won't get a null pointer (if the option isn't present, it simply isn't present). Fix some comments while we're at it. Change-Id: I9c1420f56998a7d04de5c5cc2e92631b181f303a Reviewed-on: https://code.wireshark.org/review/16564 Reviewed-by: Guy Harris <guy@alum.mit.edu>
77 lines
2.2 KiB
C
77 lines
2.2 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 <wiretap/pcapng.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;
|
|
wtap_block_t wtapng_if_descr = NULL;
|
|
char* interface_name;
|
|
|
|
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, wtap_block_t, interface_id);
|
|
|
|
g_free(idb_info);
|
|
|
|
if (wtapng_if_descr) {
|
|
if (wtap_block_get_string_option_value(wtapng_if_descr, OPT_IDB_NAME, &interface_name) == WTAP_OPTTYPE_SUCCESS)
|
|
return interface_name;
|
|
if (wtap_block_get_string_option_value(wtapng_if_descr, OPT_IDB_DESCR, &interface_name) == WTAP_OPTTYPE_SUCCESS)
|
|
return interface_name;
|
|
}
|
|
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;
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|