Messages in this thread | | | Subject | Re: [2.4.23-pre3] Possible bug in fs/buffer.c | From | Andreas Schwab <> | Date | Mon, 08 Sep 2003 18:04:45 +0200 |
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Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
> On Llu, 2003-09-08 at 16:42, Andreas Schwab wrote: >> It's neither ugly, nor bogus. The only 100% reliable way to assign the >> maximum value to an unsigned integer is to use -1. > > Its not 100% reliable either 8).
Could you please elaborate? Casting -1 to an unsigned type is guaranteed to yield the maximum value for that type, at least since C89, but I think even K&R C did get it right.
Andreas.
-- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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