Re: stime.c forcing errno

[Paul Jarc]

I wrote:
> So for localtime/gmtime, set errno beforehand just in case libc fails
> to conform.  But for mktime/strptime, test for failure afterwards and
> set errno in that case.  Setting it beforehand may not help; since
> these functions are not documented to have any particular effect on
> errno, they might have any effect at all - such as replacing our
> EINVAL with something nonsensical.

It would also be ok to test afterwards for localtime/gmtime as well.
POSIX says they should set errno, but the C standard doesn't, so that
might be a good idea.


paul