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Date: Fri, 31 Aug 2001 15:45:43 +0200
From: Roman Zippel <zippel@linux-m68k.org>
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To: Jamie Lokier <lk@tantalophile.demon.co.uk>
CC: Ion Badulescu <ionut@cs.columbia.edu>,
        Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org
Subject: Re: [IDEA+RFC] Possible solution for min()/max() war
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Hi,

Jamie Lokier wrote:

>    2. Warning added to GCC for casts which reduce argument range, but
>       only when explicitly requested by an attribute on the cast...

How many false positives will this produce? I think, Linus will hate
this warning even more than -Wsign-compare.

>    3. Warning added to GCC for signed vs. unsigned comparisons
>       _regardless_ of type size.  This would also catch erroneous
>       unsigned char vs. EOF checks in misuses of stdio.

Do you know of such bug in the context of min()?

bye, Roman