linux-kernel - Re: [PATCH] CodingStyle: proscribe do-while without braces.

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Message-Id: <20070726144406.63c07909.akpm@linux-foundation.org>
Date:	Thu, 26 Jul 2007 14:44:06 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Josh Triplett <josht@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-sparse@...r.kernel.org
Subject: Re: [PATCH] CodingStyle: proscribe do-while without braces.

On Thu, 26 Jul 2007 14:37:02 -0700 Josh Triplett <josht@...ux.vnet.ibm.com> wrote:

> Sparse warns about do-while loops without braces; Linus's rationale from the
> Sparse Git changelog:
> > Add warning message for naked do-while
> >
> > Does it necessarily make sense? Dunno, but it does tend to be bad
> > practice, or at least result in code that can be hard to mentally parse.
> >
> > Maybe that mental parsing is just me.	 Or maybe it should be warned
> > about. You decide.
> 
> Signed-off-by: Josh Triplett <josh@...nel.org>
> ---
>  Documentation/CodingStyle |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle
> index 7f1730f..f12e4b8 100644
> --- a/Documentation/CodingStyle
> +++ b/Documentation/CodingStyle
> @@ -175,6 +175,13 @@ if (condition) {
>  	otherwise();
>  }
>  
> +This also does not apply to a do-while loop; always use braces with a do-while,
> +even if it contains a single statement:
> +
> +do {
> +	this();
> +} while(condition);
> +

err, your example has broken coding style.
-
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