From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH 10/17] Tools: hv: Gather ipv[4,6] gateway information Date: Tue, 24 Jul 2012 09:29:14 -0700 Message-ID: <20120724092914.60f3d90a@nehalam.linuxnetplumber.net> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, virtualization@lists.osdl.org, olaf@aepfle.de, apw@canonical.com, netdev@vger.kernel.org, ben@decadent.org.uk To: "K. Y. Srinivasan" Return-path: In-Reply-To: <1343145701-3691-10-git-send-email-kys@microsoft.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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