netdev - Re: [patch] Fix handling of overlength pathname in AF_UNIX sun

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Message-Id: <20120418.152352.748260330741957708.davem@davemloft.net>
Date:	Wed, 18 Apr 2012 15:23:52 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	carlos@...temhalted.org
Cc:	mtk.manpages@...il.com, netdev@...r.kernel.org,
	penguin-kernel@...ove.sakura.ne.jp, linux-api@...r.kernel.org,
	yoshfuji@...ux-ipv6.org, jengelh@...ozas.de, w@....eu,
	alan@...rguk.ukuu.org.uk
Subject: Re: [patch] Fix handling of overlength pathname in AF_UNIX sun_path

From: "Carlos O'Donell" <carlos@...temhalted.org>
Date: Wed, 18 Apr 2012 14:48:43 -0400

> POSIX doesn't exist in a vacuum, we need to harmonize reality with the
> standard. If an implementation exists where sun_path has no
> null-terminator then it is useful to have POSIX clarify that
> null-termination is implementation defined behaviour, just like it
> says that sun_path's length undefined. Under "Application Usage" or
> "Examples" it's valid to talk about specific implementations.
> 
> See: http://pubs.opengroup.org/onlinepubs/007904975/basedefs/sys/un.h.html,
> where it talks about BSD in the "Application Usage." It's about time
> we some "Linux this" and "Linux that" in there.

Ok, thanks for explaining.
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