linux-kernel - Re: [PATCH] cxacru: Cleanup sysfs attribute code

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Date:	Wed, 25 Apr 2007 12:18:03 +0100
From:	"Simon Arlott" <simon@...e.lp0.eu>
To:	"Duncan Sands" <duncan.sands@...h.u-psud.fr>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	"Andrew Morton" <akpm@...ux-foundation.org>
Subject: Re: [PATCH] cxacru: Cleanup sysfs attribute code

On Wed, April 25, 2007 08:19, Duncan Sands wrote:
> Hi Simon,
>
>>  static ssize_t cxacru_sysfs_showattr_dB(s16 value, char *buf)
>>  {
>> -	if (unlikely(value < 0)) {
>> -		return snprintf(buf, PAGE_SIZE, "%d.%02u\n",
>> -						value / 100, -value % 100);
>> -	} else {
>> -		return snprintf(buf, PAGE_SIZE, "%d.%02u\n",
>> -						value / 100, value % 100);
>> -	}
>> +	return snprintf(buf, PAGE_SIZE, "%u.%02u\n",
>> +					value / 100, abs(value) % 100);
>
> shouldn't this be "%d.%02u\n"?

Yes, I'll send an updated patch this evening, unless Andrew adds the change himself by then.

>> +	static char *str[] = { "no", "yes" };
> ...
>> +	return snprintf(buf, PAGE_SIZE, "%s\n", str[value]);
>
> This could be
> 	static char *str[] = { "no\n", "yes\n" };
> ...
> 	return snprintf(buf, PAGE_SIZE, str[value]);
> I'm not saying that it's better, just a remark!

The \ns in the larger arrays were making them less readable.

-- 
Simon Arlott
-
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