Messages in this thread | | | From | Andreas Schwab <> | Subject | Re: Problems (a bug?) with UINT_MAX from kernel.h | Date | Tue, 05 Jun 2007 17:57:39 +0200 |
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Richard Purdie <richard@openedhand.com> writes:
> If I try to compile the code fragment below, I see the error: > > #define UINT_MAX (~0U) > #if (0xffffffffffffffff == UINT_MAX) > #error argh > #endif
The preprocessor computes all expressions with the largest available range. It does not know anything about types.
Andreas.
-- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP 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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