linux-kernel - Re: [PATCH] checkpatch: Report missing spaces around trigraphs with --strict

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Date:	Mon, 2 Sep 2013 16:15:14 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Guenter Roeck <linux@...ck-us.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Whitcroft <apw@...onical.com>,
	ksummit-2013-discuss@...ts.linuxfoundation.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <m.chehab@...sung.com>
Subject: Re: [PATCH] checkpatch: Report missing spaces around trigraphs with
 --strict

On Mon, Sep 02, 2013 at 03:14:46PM -0700, Joe Perches wrote:
> Spaces around trigraphs are specified by CodingStyle
> but checkpatch is currently silent about them because
> there are many current instances without them.
> 
> Make missing spaces around trigraphs a --strict message.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>

Reviewed-by: Josh Triplett <josh@...htriplett.org>

> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -2817,7 +2817,7 @@ sub process {
>  				\+=|-=|\*=|\/=|%=|\^=|\|=|&=|
>  				=>|->|<<|>>|<|>|=|!|~|
>  				&&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%|
> -				\?|:
> +				\?:|\?|:
>  			}x;

While you're poking at this bit of code, would you mind looking at why
it gives a false positive for spaces around '*' on my recent patch at
http://mid.gmane.org/20130901234251.GB25057@leaf ?  It appears to
mistake the '*' of a pointer for a multiply.

Thanks,
Josh Triplett
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