Re: Problems (a bug?) with UINT_MAX from kernel.h

From: Andreas Schwab
Date: Tue Jun 05 2007 - 11:58:01 EST


Richard Purdie <richard@xxxxxxxxxxxxxx> 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@xxxxxxx
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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