Magnus Hagander <magnus@xxxxxxxxxxxx> writes: > On Wed, Feb 15, 2012 at 06:40, dennis jenkins > <dennis.jenkins.75@xxxxxxxxx> wrote: >> I recently updated my Gentoo Linux development system from postgresql >> 9.0.4 to 9.0.6-r1 (9.0.6 plus some Gentoo specific patches). One of >> my 'C' language functions (been using it for years) stopped working >> because the backend no longer had access to the PGDATA environment >> variable. A snippet of code is included below. > I suggest you look at the version history of the gentoo packaging and > scripts instead. My guess is that something was changed there. Yes. A PG backend will not remove a "PGDATA" envar, but *it does not set it either*. This sounds to me like a change in the startup script. > You can look at the configuration variable data_directory, or use the > C symbol DataDir which is exported from the backend. Quite --- at the C level, looking at DataDir is the right thing, and looking at PGDATA could be misleading even if it exists --- consider the possibility that we took the data_directory setting from the command line or postgresql.conf. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general