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

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Message-ID: <1262915508.10429.99.camel@Joe-Laptop.home>
Date:	Thu, 07 Jan 2010 17:51:48 -0800
From:	Joe Perches <joe@...ches.com>
To:	Simon Horman <horms@...ge.net.au>
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 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.

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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