[PATCH] getnameinfo: Do not restore errno on error

[Andreas Schwab]

Zack Weinberg <zackw@panix.com> writes:

> This might be OK in the actual error case, but you're stomping on
> errno in the *non*-error case too, which, even if allowed, should be
> avoided as a matter of QoI.

There are only very few functions (as required by POSIX) that preserve
errno on success.  Why does getnameinfo need to be in this list?

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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