linux-kernel - Re: [PATCH] vsprintf: do not append unset Scope ID to IPv6

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Message-ID: <56B27A8C.3040302@iogearbox.net>
Date:	Wed, 03 Feb 2016 23:09:16 +0100
From:	Daniel Borkmann <daniel@...earbox.net>
To:	Joe Perches <joe@...ches.com>,
	"Jason A. Donenfeld" <Jason@...c4.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux@...musvillemoes.dk, andriy.shevchenko@...ux.intel.com,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] vsprintf: do not append unset Scope ID to IPv6

On 02/03/2016 10:47 PM, Joe Perches wrote:
> On Wed, 2016-02-03 at 22:14 +0100, Jason A. Donenfeld wrote:
>> The idea here is to be able to printk a sockaddr_in6, and have it show
>> something that looks like what the user would naturally pass to
>> getaddrinfo(3), which is entirely complete.
>>
>> However, I could be convinced that this kind of behavior belongs in
>> it's own flag. Maybe I'll cook up a flag for that instead.
>
> I think that'd be best.

Agreed.

> Maybe using something like %pISG for this that
> would optionally show these flow and scope values
> only when non-zero.
>
> Something like:

Looks good to me, having this as a single generic option seems
even cleaner.

Thanks!