From owner-freebsd-hackers  Tue Jan  9  9:33:39 2001
Delivered-To: freebsd-hackers@freebsd.org
Received: from haali.cs.msu.ru (haali.po.cs.msu.su [158.250.16.1])
	by hub.freebsd.org (Postfix) with ESMTP id 67E3E37B69D
	for <freebsd-hackers@FreeBSD.ORG>; Tue,  9 Jan 2001 09:33:21 -0800 (PST)
Received: (from mike@localhost)
	by haali.cs.msu.ru (8.9.3/8.9.3) id UAA10578;
	Tue, 9 Jan 2001 20:32:54 +0300 (MSK)
	(envelope-from mike)
Date: Tue, 9 Jan 2001 20:32:53 +0300
From: "Mike E. Matsnev" <mike@po.cs.msu.su>
To: Graham Wheeler <gram@cequrux.com>
Cc: David Malone <dwmalone@maths.tcd.ie>,
	freebsd-hackers@FreeBSD.ORG, markster@marko.net
Subject: Re: Size of struct ifreq/returned buffer of SIOCGIFCONF
Message-ID: <20010109203253.A10537@haali.cs.msu.ru>
References: <3A5AE854.F769B86C@cequrux.com> <20010109142043.B52761@walton.maths.tcd.ie> <3A5B148A.5F139188@cequrux.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5i
In-Reply-To: <3A5B148A.5F139188@cequrux.com>; from gram@cequrux.com on Tue, Jan 09, 2001 at 03:39:22PM +0200
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On Tue, Jan 09, 2001 at 03:39:22PM +0200, Graham Wheeler wrote:
> David Malone wrote:
> > 
> > If you read the paragraph below that code, it notes that the ifreq
> > structures are of variable length. The spacing depends on the size
> > of the returned info.
> 
> That's true. In which case the cheops code is wrong, as it iterates
> through the list by incrementing a pointer to a struct ifreq. I'll try
> fix that and get Mark to test under Linux and hopefully get a portable
> solution.
You can get the portable code from BIND, where it looks at the interface list.

/Mike


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message