From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755982Ab2GXQyH (ORCPT ); Tue, 24 Jul 2012 12:54:07 -0400 Received: from mo-p00-ob.rzone.de ([81.169.146.161]:57979 "EHLO mo-p00-ob.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755914Ab2GXQyG (ORCPT ); Tue, 24 Jul 2012 12:54:06 -0400 X-RZG-AUTH: :P2EQZWCpfu+qG7CngxMFH1J+zrwiavkK6tmQaLfmztM8TOFGiC0Ifg== X-RZG-CLASS-ID: mo00 Date: Tue, 24 Jul 2012 18:53:59 +0200 From: Olaf Hering To: Stephen Hemminger Cc: "K. Y. Srinivasan" , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, virtualization@lists.osdl.org, apw@canonical.com, netdev@vger.kernel.org, ben@decadent.org.uk Subject: Re: [PATCH 10/17] Tools: hv: Gather ipv[4,6] gateway information Message-ID: <20120724165359.GA8409@aepfle.de> References: <1343145672-3641-1-git-send-email-kys@microsoft.com> <1343145701-3691-1-git-send-email-kys@microsoft.com> <1343145701-3691-10-git-send-email-kys@microsoft.com> <20120724092914.60f3d90a@nehalam.linuxnetplumber.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20120724092914.60f3d90a@nehalam.linuxnetplumber.net> User-Agent: Mutt/1.5.21.rev5543 (2011-12-20) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 24, Stephen Hemminger wrote: > On Tue, 24 Jul 2012 09:01:34 -0700 > "K. Y. Srinivasan" wrote: > > > + memset(cmd, 0, sizeof(cmd)); > > + strcat(cmd, "/sbin/ip -f inet route | grep -w "); > > + strcat(cmd, if_name); > > + strcat(cmd, " | awk '/default/ {print $3 }'"); > > > Much simpler method: > > ip route show match 0/0 This also has the benefit that ip is not called with absolute path, now that distros move binaries around. Olaf