linux-kernel - Re: coding style

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Message-ID: <20070615173206.GA8151@cvg>
Date:	Fri, 15 Jun 2007 21:32:07 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Jan Engelhardt <jengelh@...putergmbh.de>
Cc:	dave young <hidave.darkstar@...il.com>,
	"Kok, Auke" <auke-jan.h.kok@...el.com>, Willy Tarreau <w@....eu>,
	LKML <linux-kernel@...r.kernel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>
Subject: Re: coding style

[Jan Engelhardt - Fri, Jun 15, 2007 at 11:16:08AM +0200]
| 
| 
| Cyrill wrote:
| >>      err = foo(arg_a, arg_b, arg_c,
| >>                arg_d);
|   1    23        4
| 
| (note: monospace font needed)
| 
| 
| Dave wrote:
| > The Documentation/CodingStyle says:
| >
| > Outside of comments, documentation and except in Kconfig, spaces are never
| > used for indentation, and the above example is deliberately broken.
| 
| Everything is right. The indent only goes from "1" to "2" [see above], 
| "3" to "4" is called
| 
| 	Cyrill wrote:
| 	>> [spaces only for] alignment
| 
| Cyrill wrote:
| >> so which one is preferred for the kernel?
| 
| err = very_long_function_name(lots_of_arguments,
|                               less,
|                               less,
|                               less,
|                               less,
|                               even_more_arguments,
|                               more_of_this,
|                               more_of_that,
|                               more,
|                               more,
|                               more);
| 
| IMO, preferred:
| 
| err = very_long_function_name(lots_of_arguments, less, less, less, less,
|       even_more_arguments, more_of_this, more_of_that, more, more, more);
| 
| YMMV.
| 
| 
| 	Jan
| -- 
| 

Thanks to all of you for answering. Actually I was concerning about function
arguments' alignment (on separated lines) not about indentation. So as I see
it's a question of bent ;) And a simple rule exist - use tabs for indents
and spaces for alignment (when amount of spaces are < 8).

		Cyrill

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