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A few patches that were written <= 2023 and committed in 2024 still
contained 2023 copyright year. Fix that.
Discussion: https://postgr.es/m/CAApHDvr5egyW3FmHbAg-Uq2p_Aizwco1Zjs6Vbq18KqN64-hRA@mail.gmail.com
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Run pgindent, pgperltidy, and reformat-dat-files.
The pgindent part of this is pretty small, consisting mainly of
fixing up self-inflicted formatting damage from patches that
hadn't bothered to add their new typedefs to typedefs.list.
In order to keep it from making anything worse, I manually added
a dozen or so typedefs that appeared in the existing typedefs.list
but not in the buildfarm's list. Perhaps we should formalize that,
or better find a way to get those typedefs into the automatic list.
pgperltidy is as opinionated as always, and reformat-dat-files too.
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This brings the titlecasing implementation for the builtin provider
out of formatting.c and into unicode_case.c, along with
unicode_strlower() and unicode_strupper(). Accepts an arbitrary word
boundary callback.
Simple for now, but can be extended to support the Unicode Default
Case Conversion algorithm with full case mapping.
Discussion: https://postgr.es/m/3bc653b5d562ae9e2838b11cb696816c328a489a.camel@j-davis.com
Reviewed-by: Peter Eisentraut
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Check source length before checking for NUL terminator to avoid
reading one byte past the string end. Also fix unreachable bug when
caller does not expect NUL-terminated result.
Add unit test coverage of convert_case() in case_test.c, which makes
it easier to reproduce the valgrind failure.
Discussion: https://postgr.es/m/7a9fd36d-7a38-4dc2-e676-fc939491a95a@gmail.com
Reported-by: Alexander Lakhin
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Use ssize_t instead of size_t.
Discussion: https://postgr.es/m/b20d6d97-7338-48ea-ba33-837a1c8ef98e@iki.fi
Reported-by: Heikki Linnakangas
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Implements Unicode simple case mapping, in which all code points map
to exactly one other code point unconditionally.
These tables are generated from UnicodeData.txt, which is already
being used by other infrastructure in src/common/unicode. The tables
are checked into the source tree, so they only need to be regenerated
when we update the Unicode version.
In preparation for the builtin collation provider, and possibly useful
for other callers.
Discussion: https://postgr.es/m/ff4c2f2f9c8fc7ca27c1c24ae37ecaeaeaff6b53.camel%40j-davis.com
Reviewed-by: Peter Eisentraut, Daniel Verite, Jeremy Schneider
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