bug in mbrtowc

[Ulrich Drepper]

Bruno Haible <haible@ilog.fr> writes:

> ISO C 99 says that
>      mbrtowc(NULL, NULL, 0, ps)
> is equivalent to
>      mbrtowc(NULL, "", 1, ps)
> but in glibc they behave differently. Below is a test, where test1() succeeds
> and test2() fails, and a fix.

Thanks, I've applied the patch.

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