[PATCH 10/17] Tools: hv: Gather ipv[4,6] gateway information

Olaf Hering olaf at aepfle.de
Tue Jul 24 16:53:59 UTC 2012


On Tue, Jul 24, Stephen Hemminger wrote:

> On Tue, 24 Jul 2012 09:01:34 -0700
> "K. Y. Srinivasan" <kys at microsoft.com> 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



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