[tz] disclaimer removals

[Ian Abbott]

On 2014/06/26 01:51 PM, Christos Zoulas wrote:
> On Jun 25, 11:15pm, eggert at cs.ucla.edu (Paul Eggert) wrote:
> -- Subject: Re: [tz] disclaimer removals
> 
> | Thanks, I pushed that into github.
> 
> Please fix it so that it does not pass char into the isfoo() functions
> since they have undefined results for negative values other than -1.
> 
> http://pubs.opengroup.org/onlinepubs/009695399/functions/isalnum.html
> 
> An easy fix is to cast the value to unsigned char.

I believe you replied to the wrong thread, but isascii() should be
defined for all integer values:

http://pubs.opengroup.org/onlinepubs/009695399/functions/isascii.html

and the code only calls isalnum() if isascii() returns a non-zero value.

-- 
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