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Message-ID: <1379359550.1963.2.camel@joe-AO722>
Subject: Re: [PATCH 1/2] remove all uses of printf's %n
From: Joe Perches <joe@perches.com>
To: George Spelvin <linux@horizon.com>
Cc: akpm@linux-foundation.org, dan.carpenter@oracle.com, JBeulich@suse.com,
        keescook@chromium.org, kosaki.motohiro@gmail.com,
        linux-kernel@vger.kernel.org, penguin-kernel@i-love.sakura.ne.jp,
        viro@zeniv.linux.org.uk
Date: Mon, 16 Sep 2013 12:25:50 -0700
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On Mon, 2013-09-16 at 15:15 -0400, George Spelvin wrote:
> > It'd be consistent with all the other %p<foo> types.
> >
> > vsnprintf is already weird enough with %p uses,
> > there's absolutely no reason to stretch it further
> > with yet another odd access/format style.
> 
> Well, all the other %p<foo> types actually *use* the void * argument.
> They print the thing pointed to, just in different ways.
> 
> What I'm proposing is fundamentally different, and much more
> "printf internals" specific.
> 
> I hate creating an interface that requires a dummy pointer argument.
[]
> Is "%0-127c" too ugly to live?

Yes.

I suppose you use "%[-]*pV" if you really want funky/fugly.