Back-patch addition of pg_wchar-to-multibyte conversion functionality.
authorTom Lane <tgl@sss.pgh.pa.us>
Tue, 10 Jul 2012 20:52:47 +0000 (16:52 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Tue, 10 Jul 2012 20:52:47 +0000 (16:52 -0400)
commit647ae3cfe399e723dabea8fb73ab963c133babc8
treed82b73a100eba12a1d8725632c24f03fbd80df7c
parent5edd21de419dc3cc6cfbc1a36079443e516c000f
Back-patch addition of pg_wchar-to-multibyte conversion functionality.

Back-patch of commits 72dd6291f216440f6bb61a8733729a37c7e3b2d2,
f6a05fd973a102f7e66c491d3f854864b8d24844, and
60e9c224a197aa37abb1aa3aefa3aad42da61f7f.

This is needed to support fixing the regex prefix extraction bug in
back branches.
src/backend/utils/mb/mbutils.c
src/backend/utils/mb/wchar.c
src/include/mb/pg_wchar.h