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Re: Patch for isdigit/isalpha/etc. macro arguments


Eli Zaretskii <eliz@gnu.org> writes:

>> This will crash and burn if *s < 0.  You really need to cast to unsigned
>> char if you want to get defined behaviour.
>
> Isn't that the job of the isalpha implementation?

No.  It needs to be able to recognize EOF.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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