On 2019-10-29 15:34, Tom Lane wrote:
Peter Eisentraut <peter.eisentr...@2ndquadrant.com> writes:
On 2019-10-28 14:45, Tom Lane wrote:
Kyotaro Horiguchi <horikyota....@gmail.com> writes:
In think one of the reasons for the coding is the fact that *pw is
described to be placed in the static area, which can be overwritten by
succeeding calls to getpw*() functions.

Good point ... so maybe pstrdup instead of using a fixed-size buffer?

Maybe.  Or we just decide that check_usermap() is not allowed to call
getpw*().  It's just a string-matching routine, so it doesn't have any
such business anyway.

I'm okay with that as long as you add a comment describing this
assumption.

Committed with a pstrdup(). That seemed more consistent with other code in that file.

--
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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