linux-kernel - Re: [dm-devel] Re: [PATCH] scripts/checkpatch.pl: Change long line warning to 105 chars

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Date:	Fri, 18 Dec 2009 08:58:58 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Alasdair G Kergon <agk@...hat.com>
Cc:	device-mapper development <dm-devel@...hat.com>,
	Joe Perches <joe@...ches.com>, Valdis.Kletnieks@...edu,
	linux-kernel@...r.kernel.org, Paul Mundt <lethal@...ux-sh.org>,
	Mikulas Patocka <mpatocka@...hat.com>,
	Andy Whitcroft <apw@...onical.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [dm-devel] Re: [PATCH] scripts/checkpatch.pl: Change long line
 warning to 105 chars

On Fri, 18 Dec 2009 15:12:41 +0000 Alasdair G Kergon wrote:

> On Fri, Dec 18, 2009 at 03:37:00PM +0100, Krzysztof Halasa wrote:
> > Not sure if that's long enough (maybe it is).
> > 132 looks like the next "natural" number.
> 
> Well it's good that this thread has produced more examples where it's
> reasonable and acceptable to exceed 80 characters.
> 
> What do people feel about files where the policy is to place all the
> parameters passed into a function on the same line, regardless of its
> consequent length?  

Not good IMO.  It's much easier to read something that is restricted in
width than to have to scroll/pan side to side.
(e.g., newspaper columns.  Oops, what's a newspaper?)


> (What kicked this all off was a patch Mikulas submitted containing many
> long lines, one of which hits column 264.  Personally, I dislike reading
> code with lines that wrap, but using a 132-column terminal width is
> fine.)


---
~Randy
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