linux-kernel - Re: Use of '%#02x' is almost always wrong

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Message-ID: <20211013103905.GK8429@kadam>
Date:   Wed, 13 Oct 2021 13:39:05 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Joe Perches <joe@...ches.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors <kernel-janitors@...r.kernel.org>
Subject: Re: Use of '%#02x' is almost always wrong

On Wed, Oct 13, 2021 at 01:17:30AM -0700, Joe Perches wrote:
> On Wed, 2021-10-13 at 09:15 +0300, Dan Carpenter wrote:
> > On Sun, Oct 10, 2021 at 09:45:30AM -0700, Joe Perches wrote:
> > > Perhaps too many developers do not know that using '%#<width>x'
> > > in printf output _includes_ the 0x prefix in the output width.
> > > 
> > 
> > This is a good point.  Presumably you're going to add it to checkpatch.pl?
> 
> Yeah.  Something like the below:
> 

Awesome!  Thanks!

regards,
dan carpenter