isspace() & i18n

Christopher Faylor
Wed May 30 09:57:00 GMT 2001

On Thu, May 31, 2001 at 01:29:28AM +0900, Kazuhiro Fujieda wrote:
>>>> On Wed, 30 May 2001 18:11:56 +0400
>>>> egor duda <> said:
>> i think we should either conform to standard and explicitly convert
>> types or define appropriate strings as unsigned char*, (typedef PATH_STR,
>> perhaps), or define cygwin_is*() as macros that do the conversion, or,
>> as glibc does, expand _ctype to allow indices in range [-128,256].
>The last is preferable.
>The ISO C standard specifies is* facilities operate properly on
>all values representable as type `char' and type `unsigned char'.
>It depends on implementation whether char is signed or unsigned. 
>The is* facilities should operate on range [-128,256] on the
>implementation where char is singied.

I agree.  I think that this is the preferable solution.

Could someone take this discussion to the newlib mailing list?


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