linux-kernel - Re: [PATCH/RFC] CodingStyle updates

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Date:	Fri, 8 Dec 2006 00:23:44 +0100 (MET)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Randy Dunlap <randy.dunlap@...cle.com>
cc:	Alistair John Strachan <s0348365@....ed.ac.uk>,
	lkml <linux-kernel@...r.kernel.org>, akpm <akpm@...l.org>,
	jesper.juhl@...il.com
Subject: Re: [PATCH/RFC] CodingStyle updates


On Dec 7 2006 15:00, Randy Dunlap wrote:
>
>> > +but no space after unary operators:
>> > +		sizeof  ++  --  &  *  +  -  ~  !  defined
>> 
>> You could mention typeof too, which is a keyword but should be done like
>> sizeof.
>
> Hm, is that a gcc-ism?  It's not listed in the C99 spec.
>
> Are there other gcc-isms that I should add?

__attribute__(()) perhaps, which is often seen in kernel code.



   -fno-gnu-keywords
       Do not recognize "typeof" as a keyword, so that code can use this
       word as an identifier.  You can use the keyword "__typeof__"
       instead.  -ansi implies -fno-gnu-keywords.

Ergo it's a GNUism/GCCism. As long as <whatever> is used in kernel code, 
it should be documented.


	-`J'
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