Re: [TRIVIAL] strlen("literal string") -> (sizeof("literal string")-1)

Pavel Machek
2002-09-06T20:53:41Z

Hi!

> Here is a patch that does the same as what Keith Owens did in
> his patch recently.
>
> Message-ID: <fa.iks3ohv.1flge08@ifi.uio.no>
> From: Keith Owens <kaos@ocs.com.au>
> Subject: [patch] 2.4.19 Generate better code for nfs_sillyrename
> Date: Wed, 28 Aug 2002 07:08:17 GMT
>
> Using strlen() generates an unnecessary inline function expansion plus
> dynamic stack adjustment. For constant strings, strlen() == sizeof()-1
> and the object code is better.

Gcc should be able to do this itself.

> The patch is against 2.4.19.
>

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