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
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REL_17_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/5e78ebca57b3630c1230d348263fddfeaaf7678e
Modified Files
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src/backend/utils/adt/formatting.c | 24 ++++++++++++++++++------
src/common/unicode/case_test.c | 9 +++++++++
src/common/unicode_case.c | 33 +++++++++++++++++++++++++++++----
3 files changed, 56 insertions(+), 10 deletions(-)