Jilles Tjoelker 00e080be77 pututxline: Don't set errno=0 in subfunctions.
The functions utx_active_add(), utx_active_remove(), utx_lastlogin_add() and
utx_log_add() set errno to 0 if they are successful. This not only violates
POSIX if pututxline() is successful, but may also overwrite a valid error
with 0 if, for example, utx_lastlogin_add() fails while utx_log_add()
succeeds.

Reviewed by:	ed
2013-04-17 21:08:15 +00:00
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