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Previously, PQhost didn't return the connected host details when the connection type was CHT_HOST_ADDRESS (i.e., via hostaddr). Instead, it returned the complete host connection parameter (which could contain multiple hosts) or the default host details, which was confusing and arguably incorrect. Change this to return the actually connected host or hostaddr irrespective of the connection type. When hostaddr but no host was specified, hostaddr is now returned. Never return the original host connection parameter, and document that PQhost cannot be relied on before the connection is established. PQport is similarly changed to always return the active connection port and never the original connection parameter. Back-patch of commit 1944cdc98273dbb8439ad9b387ca2858531afcf0 into the v10 branch. Author: Hari Babu <kommi.haribabu@gmail.com> Reviewed-by: Michael Paquier <michael@paquier.xyz> Reviewed-by: Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp> Reviewed-by: David G. Johnston <david.g.johnston@gmail.com>