linux-kernel - Re: somebody dropped a (warning) bomb

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Message-Id: <200702131613.41958.rob@landley.net>
Date:	Tue, 13 Feb 2007 16:13:40 -0500
From:	Rob Landley <rob@...dley.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Sergei Organov <osv@...ad.com>,
	"J.A. MagallÃÃÃÂ³n" <jamagallon@....com>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Jeff Garzik <jeff@...zik.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: somebody dropped a (warning) bomb

On Tuesday 13 February 2007 2:25 pm, Linus Torvalds wrote:
> THE FACT IS, THAT "strlen()" IS DEFINED UNIVERSALLY AS TAKING "char *".
> 
> That BY DEFINITION means that "strlen()" cannot care about the sign, 
> because the sign IS NOT DEFINED UNIVERSALLY!
> 
> And if you cannot accept that fact, it's your problem. Not mine.
> 
> The warning is CRAP. End of story.

In busybox we fed the compiler -funsigned-char to make it shut up.  (And so we 
had consistent bugs between arm and x86.)

Building tcc I had to feed it -fsigned-char because -funsigned char broke 
stuff. :)

Rob
-- 
"Perfection is reached, not when there is no longer anything to add, but
when there is no longer anything to take away." - Antoine de Saint-Exupery
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