Edmund GRIMLEY EVANS writes:
> With glibc-2.2.3, mbrtowc(&wc, "", 0, &ps) seems to return 0 instead
> of (size_t)(-2). I think this is a bug.
It's my interpretation of the ISO C 99 standard that the return value
should be (size_t)(-2). But I agree with Markus that it's a borderline
that you should avoid.
> the priority should be to provide correct man pages. The man page I
> looked at said nothing about n not being zero
The man page is correct. The standard says nothing explicit about what
happens if n is zero either.
Bruno
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