unicode_case.c: defend against truncated UTF8.
Reviewed-by: Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com>
Discussion: https://postgr.es/m/c355354e6c3f4a7aafb047361b73db247260fca0.camel@j-davis.com
Backpatch-through: 17
Branch
------
REL_19_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/05da336dd7d32ed4a70efc5f21c355f8ace482e8
Modified Files
--------------
src/backend/utils/adt/pg_locale_builtin.c | 24 ++++++++++----
src/common/unicode/case_test.c | 8 +++++
src/common/unicode_case.c | 52 ++++++++++++++++++++++++++-----
3 files changed, 70 insertions(+), 14 deletions(-)