Signedness of wchar_t and wint_t leads to problems with gcc -Wsign-conversion

[Andreas Schwab]

On Nov 21 2016, "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> wrote:

> To put things another way, why is this scenario different from
> the islower() example, where the cast to '(unsigned char)' is
> needed in portable code?

Because char is weird.

Andreas.

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Andreas Schwab, SUSE Labs, schwab@suse.de
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