linux-kernel - Re: [dm-devel] [PATCH v4 00/12] introduce skip_spaces(), reducing code size plus some clean-ups

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Message-ID: <alpine.LSU.2.00.0911081754360.30674@obet.zrqbmnf.qr>
Date:	Sun, 8 Nov 2009 17:55:32 +0100 (CET)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	André Goddard Rosa <andre.goddard@...il.com>
cc:	James Bottomley <James.Bottomley@...senpartnership.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [dm-devel] [PATCH v4 00/12] introduce skip_spaces(), reducing 
 code size plus some clean-ups

On Sunday 2009-11-08 17:52, André Goddard Rosa wrote:

>Hi, James!
>
>On Sun, Nov 8, 2009 at 2:05 PM, James Bottomley
><James.Bottomley@...senpartnership.com> wrote:
>> Before we embark on something as massive as this, could we take a step
>> back.  I agree that if I were coming up with the strstip() interface
>> today I probably wouldn't have given it two overloaded uses.
>>
>> However, I think the function, in spite of this minor issue, is very
>> usable.  I still don't understand why people thought adding a
>> __must_check, which is what damaged one of the overloaded uses, is a
>> good idea.
>
>Differently of "static void strip(char *str)"@scripts/kconfig/conf.c ,
>this function
>does not moves the characters to the beginning of the string, so that if that
>string is going to be reused it should refer to the newly returned string start.
>
>I've changed it to remove the const and return a "char *".
>
>Do you think __must_check is not needed as well?

If you called strstrip, and not use its result, what good would that
do besides being effectively a strrtrim? __must_check is a good thing IMO.
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