linux-kernel - Re: [PATCH] lib/vsprintf.c: Add %pMF to format FDDI bit reversed MAC addresses

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Message-ID: <20100108024802.GB2465@verge.net.au>
Date:	Fri, 8 Jan 2010 13:48:02 +1100
From:	Simon Horman <horms@...ge.net.au>
To:	Joe Perches <joe@...ches.com>
Cc:	David Miller <davem@...emloft.net>, macro@...ux-mips.org,
	hartleys@...ionengravers.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] lib/vsprintf.c: Add %pMF to format FDDI bit reversed
 MAC addresses

On Thu, Jan 07, 2010 at 05:51:48PM -0800, Joe Perches wrote:
> On Fri, 2010-01-08 at 11:08 +1100, Simon Horman wrote:
> > In the vein of this, would it be worth adding some modifier to %i4 to
> > print addresses for ftp helpers? That is, %u,%u,%u,%u. I think
> > there are currently two users of that format string after Joe's latest
> > round of updates.
> 
> I think not.  I think the comma separated uses
> are unusual enough to not support in lib/vsprintf.

Sounds reasonable.

> I did submit a patch to support format strings
> for le32 and u32 ipv4 addresses.
> 
> > The users are net/netfilter/ipvs/ip_vs_ftp.c and
> > net/ipv4/netfilter/nf_nat_ftp.c. Prior to Joe's latest
> > changes ip_vs_ftp.c used %d,%d,%d,%d.
> 
> I submitted a couple of patches that should help.
> 
> o eventually remove NIPQUAD and NIPQUAD_FMT
> o consolidate the 2 netfilter "%u,%u,%u,%u" uses
>   to a single function

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