linux-kernel - Re: CodingStyle: start flamewar about use of braces

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Message-Id: <20070508124301.17975a4f.randy.dunlap@oracle.com>
Date:	Tue, 8 May 2007 12:43:01 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: CodingStyle: start flamewar about use of braces

On Tue, 8 May 2007 19:03:10 GMT Linux Kernel Mailing List wrote:

> Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e659ba4a0d2d471c0d73590f78e1a1b5a1eede48
> Commit:     e659ba4a0d2d471c0d73590f78e1a1b5a1eede48
> Parent:     28be5abb400e5e082f5225105fdc69337ec0c0b4
> Author:     Oliver Neukum <oliver@...kum.org>
> AuthorDate: Tue May 8 00:30:34 2007 -0700
> Committer:  Linus Torvalds <torvalds@...dy.linux-foundation.org>
> CommitDate: Tue May 8 11:15:12 2007 -0700
> 
>     CodingStyle: start flamewar about use of braces

It worked somewhat.  We never did reach any kind of
concensus about this....


>     Signed-off-by: Oliver Neukum <oneukum@...e.de>
>     Cc: Tilman Schmidt <tilman@...p.cc>
>     Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
>     Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
> ---
>  Documentation/CodingStyle |   15 +++++++++++++++
>  1 files changed, 15 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle
> index 9069189..e7f5fc6 100644
> --- a/Documentation/CodingStyle
> +++ b/Documentation/CodingStyle
> @@ -160,6 +160,21 @@ supply of new-lines on your screen is not a renewable resource (think
>  25-line terminal screens here), you have more empty lines to put
>  comments on.
>  
> +Do not unnecessarily use braces where a single statement will do.
> +
> +if (condition)
> +	action();
> +
> +This does not apply if one branch of a conditional statement is a single
> +statement. Use braces in both branches.
> +
> +if (condition) {
> +	do_this();
> +	do_that();
> +} else {
> +	otherwise();
> +}
> +
>  		3.1:  Spaces
>  
>  Linux kernel style for use of spaces depends (mostly) on


---
~Randy
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