linux-kernel - Re: my handy-dandy, "coding style" script

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Date:	Mon, 01 Jan 2007 17:21:18 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
CC:	Bob Copeland <me@...copeland.com>, Dave Jones <davej@...hat.com>,
	"Robert P. J. Day" <rpjday@...dspring.com>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: my handy-dandy, "coding style" script

Jan Engelhardt wrote:
>>>>  just for fun, i threw the following together to peruse the tree (or
>>>> any subdirectory) and look for stuff that violates the CodingStyle
>>>> guide.  clearly, it's far from complete and very ad hoc, but it's
>>>> amusing.  extra searches happily accepted.
>>> I had a bunch of similar greps that I've recently been half-assedly
>>> putting together into a single script too.
>>> See http://www.codemonkey.org.uk/projects/findbugs/
>> I don't know if anyone cares about them anymore, since I think gcc
>> grew some smarts in the area recently, but there are a lot of lines of
>> code matching "static int.*= *0;" and equivalents in the driver tree.
> 
> I'd really like to see the C compiler being enhanced to detect
> "stupid casts", i.e. those, which when removed, do not change (a) the outcome
> (b) the compiler warnings/error output.
> 

If you made it issue warnings for that, then it's going to be ever more 
painful to write generic macros.

	-hpa
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