Re: avoid compiler warning

["H. Peter Anvin" <hpa@xxxxxxxxx>]

On 08/11/2009 02:56 PM, Herbert Xu wrote:
> On Tue, Aug 11, 2009 at 09:33:43AM -0700, H. Peter Anvin wrote:
>> Herbert... the *type* is int, but the *value* has to be in the range
>> [-1,UCHAR_MAX] or the behavior is undefined in both the C and POSIX
>> standards.
> 
> Good point.  I'll apply the patch.  I'd be very surprised though
> if this was the only instance in which we pass a char along.
> 

Personally I have a habit of wrapping most ctype things in macros or
inlines which cast the argument to (unsigned char), then it's up to me
to make sure EOF doesn't slink in.

	-hpa
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