Bruce Momjian <pgman@candle.pha.pa.us> writes:
> I need to call canonicalize_path() in the macro.
There is only one use of get_home_path in libpq. Lose it and do
a direct getenv(HOMEDIR). You do not really need to do a
canonicalize_path there; it'd be sufficient to insert the appropriate
directory separator ('/' or '\') when forming pgpassfile just below.
regards, tom lane