Signed arguments to isspace et al

Andreas Schwab schwab@linux-m68k.org
Thu Sep 13 14:26:00 GMT 2012


Florian Weimer <fweimer@redhat.com> writes:

> Suppose c is a char and has a negative value distinct from EOF. According
> to the C standard, isspace(c) is undefined.  However, a lot of code
> doesn't perform the cast to unsigned char.  I wonder if we support this
> usage to some degree?

The CTYPE tables always contain 384 entries.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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