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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070919175700.GC18045@one.firstfloor.org \
--to=andi@firstfloor.org \
--cc=drepper@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.