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
Subject: Re: [PATCH 1/2] remove all uses of printf's %n
Date: Mon, 16 Sep 2013 10:53:45 -0700 [thread overview]
Message-ID: <1379354025.1934.19.camel@joe-AO722> (raw)
In-Reply-To: <20130916163919.17829.qmail@science.horizon.com>
On Mon, 2013-09-16 at 12:39 -0400, George Spelvin wrote:
> > %*p<new_type><pad_char> (space assumed if not existing)
>
> Yes, that's the fallback, but it requires an ugly dummy pointer argument.
> And some extra kludgery in the code because pointer() doesn't have access
> to the start-of-buffer address.
>
> I'd prefer something that could be detected with the information available
> in the switch(spec.type) in vsnprintf() itself.
Bad argument I think.
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.
next prev parent reply other threads:[~2013-09-16 17:53 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-16 7:43 [PATCH 0/2] vsprintf: ignore %n again Kees Cook
2013-09-16 7:43 ` [PATCH 1/2] remove all uses of printf's %n Kees Cook
2013-09-16 8:09 ` Geert Uytterhoeven
2013-09-16 15:00 ` Kees Cook
2013-09-17 13:06 ` Tetsuo Handa
2013-09-17 14:34 ` Kees Cook
2013-09-17 20:57 ` George Spelvin
2013-09-19 8:56 ` Tetsuo Handa
2013-09-19 14:28 ` Kees Cook
2013-09-20 4:09 ` Tetsuo Handa
2013-09-20 4:23 ` Joe Perches
2013-09-20 4:53 ` Kees Cook
2013-09-20 8:08 ` Jiri Slaby
2013-09-20 19:24 ` Kees Cook
2013-09-20 19:33 ` Joe Perches
2013-09-21 0:28 ` Tetsuo Handa
2013-09-22 8:09 ` George Spelvin
2013-09-22 8:16 ` Geert Uytterhoeven
2013-09-23 21:24 ` Kees Cook
2013-09-30 8:16 ` Tetsuo Handa
2013-09-16 11:41 ` Tetsuo Handa
2013-09-16 14:59 ` Kees Cook
2013-09-16 15:09 ` Joe Perches
2013-09-16 15:25 ` Kees Cook
2013-09-16 15:44 ` Joe Perches
2013-09-16 17:21 ` George Spelvin
2013-09-16 18:03 ` Joe Perches
2013-09-16 16:07 ` George Spelvin
2013-09-16 16:13 ` Joe Perches
2013-09-16 16:39 ` George Spelvin
2013-09-16 17:53 ` Joe Perches [this message]
2013-09-16 19:15 ` George Spelvin
2013-09-16 19:25 ` Joe Perches
2013-09-16 7:43 ` [PATCH 2/2] vsprintf: ignore %n again Kees Cook
2013-09-16 15:55 ` [PATCH 0/2] " Al Viro
2013-09-16 16:15 ` Lars-Peter Clausen
2013-09-16 16:30 ` George Spelvin
2013-09-16 18:20 ` Kees Cook
2013-09-18 13:14 ` Tetsuo Handa
2013-09-18 14:11 ` Dan Carpenter
2013-09-18 14:28 ` Dan Carpenter
2013-09-18 15:22 ` George Spelvin
2013-09-18 14:32 ` Kees Cook
2013-09-19 2:11 ` Tetsuo Handa
2013-09-19 7:08 ` Tetsuo Handa
2013-09-18 14:47 ` Kees Cook
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