netdev - Re: [PATCH 1/2] remove all uses of printf's %n

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Message-ID: <1379650985.2021.12.camel@joe-AO722>
Date:	Thu, 19 Sep 2013 21:23:05 -0700
From:	Joe Perches <joe@...ches.com>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc:	jslaby@...e.cz, viro@...iv.linux.org.uk, xemul@...nvz.org,
	remi.denis-courmont@...ia.com, keescook@...omium.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-sctp@...r.kernel.org, linux@...izon.com,
	akpm@...ux-foundation.org, dan.carpenter@...cle.com,
	geert@...ux-m68k.org, JBeulich@...e.com, kosaki.motohiro@...il.com
Subject: Re: [PATCH 1/2] remove all uses of printf's %n

On Fri, 2013-09-20 at 13:09 +0900, Tetsuo Handa wrote:
> Hello.

Tetsuo-san:

> We are discussing about removal of %n support from vsnprintf() at
> https://lkml.org/lkml/2013/9/16/52 , and you are using %n in seq_printf().

Well, I'm not using (mere alcohol isn't using, right?)
but I still have the same question for Al.

Are there any races here?

> I posted https://lkml.org/lkml/diff/2013/9/19/53/1 which introduces
> seq_setwidth() / seq_pad() which can avoid use of %n in seq_printf().

I still think adding last_len, last_rtn
is sensible.


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