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Message-ID: <20130724194146.GX3249@brightrain.aerifal.cx>
Date: Wed, 24 Jul 2013 15:41:46 -0400
From: Rich Felker <dalias@...ifal.cx>
To: musl@...ts.openwall.com
Subject: Re: Proposed roadmap to 1.0
On Thu, Jul 25, 2013 at 12:25:06AM +0800, orc wrote:
> > > I faced problem when I tried to build dhcpcd with musl. I
> > > dropped dhcpcd then, found simple default.script for udhcpc and
> > > forgot about any problems.
> >
> > Do you know what dhcpcd needs it for? If it's just automatic binding
> > when you don't specify an interface, that's probably a bad idea
> > anyway... But maybe we should support it.
>
> It listed interfaces internally, compared command line argument with
> each, and if not found, exited with error. An interface of question was
> down at the moment, so was not listed by getifaddrs().
OK, this is just gratuitous brokenness/non-portability. if_nametoindex
can be used to check whether an interface name is valid, and
if_nameindex gives you a list of all interfaces.
Rich
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