linux-kernel - Re: CodingStyle: provide good example

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Message-Id: <20080204155109.fee3e5e0.akpm@linux-foundation.org>
Date:	Mon, 4 Feb 2008 15:51:09 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Pavel Machek <pavel@....cz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: CodingStyle: provide good example

On Tue, 5 Feb 2008 00:43:43 +0100
Pavel Machek <pavel@....cz> wrote:

> if (!buffer) is actually prefered style, so lets use it in example.
> 
> 								Pavel
> 
> Signed-off-by: Pavel Machek <pavel@...e.cz>
> 
> diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle
> index 6caa146..9bb2d8a 100644
> --- a/Documentation/CodingStyle
> +++ b/Documentation/CodingStyle
> @@ -406,7 +415,7 @@ int fun(int a)
>  	int result = 0;
>  	char *buffer = kmalloc(SIZE);
>  
> -	if (buffer == NULL)
> +	if (!buffer)
>  		return -ENOMEM;
>  
>  	if (condition1) {

I tend to avoid preferring one over the other unless the extra seven
columns is needed to prevent wraparound nasties.
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