/*
device.c -- Interaction with Linux ethertap and tun/tap device
Copyright (C) 2001-2005 Ivo Timmermans,
- 2001-2006 Guus Sliepen <guus@tinc-vpn.org>
+ 2001-2009 Guus Sliepen <guus@tinc-vpn.org>
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
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.
-
- $Id$
+ 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 "system.h"
if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
#ifdef HAVE_LINUX_IF_TUN_H
- iface = xstrdup(netname);
+ if (netname != NULL)
+ iface = xstrdup(netname);
#else
iface = xstrdup(rindex(device, '/') ? rindex(device, '/') + 1 : device);
#endif