From: Andi Kleen <andi@firstfloor.org>
To: Ulrich Drepper <drepper@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>, netdev <netdev@vger.kernel.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: follow-up: discrepancy with POSIX
Date: Wed, 19 Sep 2007 19:57:00 +0200 [thread overview]
Message-ID: <20070919175700.GC18045@one.firstfloor.org> (raw)
In-Reply-To: <46F1608E.7060908@redhat.com>
On Wed, Sep 19, 2007 at 10:46:54AM -0700, Ulrich Drepper wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Andi Kleen wrote:
> >> But the spec calls for a "null address" to be used and that's in my
> >> understanding something different from using AF_UNSPEC.
> >
> > memset(&sockaddr, 0, sizeof(sockaddr)) should give you AF_UNSPEC
>
> But the spec calls for <quote>null address for the protocol</quote>.
>
> That means the family for the null address is the same as the family of
> the socket.
Spec doesn't match traditional behaviour then. IPv4 0.0.0.0 is
traditionally an synonym for old style all broadcast (255.255.255.255)
on UDP/RAW and it's certainly possible to connect() to that.
-Andi
next prev parent reply other threads:[~2007-09-19 17:57 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-19 15:21 follow-up: discrepancy with POSIX Ulrich Drepper
2007-09-19 15:47 ` Andi Kleen
2007-09-19 16:49 ` Ulrich Drepper
2007-09-19 16:52 ` David Miller
2007-09-19 17:04 ` Ulrich Drepper
2007-09-19 17:27 ` Ulrich Drepper
2007-09-19 17:26 ` Andi Kleen
2007-09-19 17:46 ` Ulrich Drepper
2007-09-19 17:57 ` Andi Kleen [this message]
2007-09-19 18:02 ` Ulrich Drepper
2007-09-19 18:30 ` Andi Kleen
2007-09-19 18:38 ` Rick Jones
2007-09-19 19:40 ` Andi Kleen
2007-09-19 20:33 ` Valdis.Kletnieks
2007-09-19 18:06 ` Alan Cox
2007-09-19 16:15 ` David Miller
2007-09-19 16:39 ` Alan Cox
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