pgsql: Import pg_bsd_indent sources.

Import pg_bsd_indent sources.

This brings in an exact copy of the pg_bsd_indent repo as of
commit d301442799cea44e5ccb04331afc537764ec77c5 (2020-12-28).

Discussion: https://postgr.es/m/3935719.1675967430@sss.pgh.pa.us
Discussion: https://postgr.es/m/20200812223409.6di3y2qsnvynao7a@alap3.anarazel.de

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/4e831f4cee140b004fae44d528d47c284d8ac9eb

Modified Files
--------------
src/tools/pg_bsd_indent/.gitignore | 10 +
src/tools/pg_bsd_indent/Makefile | 35 +
src/tools/pg_bsd_indent/README | 100 ++
src/tools/pg_bsd_indent/README.pg_bsd_indent | 30 +
src/tools/pg_bsd_indent/args.c | 354 ++++++
src/tools/pg_bsd_indent/err.c | 67 +
src/tools/pg_bsd_indent/err.h | 45 +
src/tools/pg_bsd_indent/indent.1 | 618 ++++++++++
src/tools/pg_bsd_indent/indent.c | 1279 ++++++++++++++++++++
src/tools/pg_bsd_indent/indent.h | 51 +
src/tools/pg_bsd_indent/indent_codes.h | 75 ++
src/tools/pg_bsd_indent/indent_globs.h | 343 ++++++
src/tools/pg_bsd_indent/io.c | 608 ++++++++++
src/tools/pg_bsd_indent/lexi.c | 724 +++++++++++
src/tools/pg_bsd_indent/parse.c | 342 ++++++
src/tools/pg_bsd_indent/pr_comment.c | 358 ++++++
src/tools/pg_bsd_indent/tests/binary.0 | 9 +
src/tools/pg_bsd_indent/tests/binary.0.stdout | 11 +
src/tools/pg_bsd_indent/tests/comments.0 | 52 +
src/tools/pg_bsd_indent/tests/comments.0.stdout | 60 +
src/tools/pg_bsd_indent/tests/comments.pro | 1 +
src/tools/pg_bsd_indent/tests/cppelsecom.0 | 7 +
src/tools/pg_bsd_indent/tests/cppelsecom.0.stdout | 7 +
src/tools/pg_bsd_indent/tests/declarations.0 | 79 ++
.../pg_bsd_indent/tests/declarations.0.stdout | 73 ++
src/tools/pg_bsd_indent/tests/elsecomment.0 | 42 +
src/tools/pg_bsd_indent/tests/elsecomment.0.stdout | 47 +
src/tools/pg_bsd_indent/tests/elsecomment.pro | 1 +
src/tools/pg_bsd_indent/tests/enum.0 | 6 +
src/tools/pg_bsd_indent/tests/enum.0.stdout | 5 +
src/tools/pg_bsd_indent/tests/f_decls.0 | 27 +
src/tools/pg_bsd_indent/tests/f_decls.0.stdout | 30 +
src/tools/pg_bsd_indent/tests/float.0 | 6 +
src/tools/pg_bsd_indent/tests/float.0.stdout | 8 +
src/tools/pg_bsd_indent/tests/label.0 | 13 +
src/tools/pg_bsd_indent/tests/label.0.stdout | 14 +
src/tools/pg_bsd_indent/tests/label.pro | 1 +
src/tools/pg_bsd_indent/tests/list_head.0 | 15 +
src/tools/pg_bsd_indent/tests/list_head.0.stdout | 13 +
src/tools/pg_bsd_indent/tests/nsac.0 | 4 +
src/tools/pg_bsd_indent/tests/nsac.0.stdout | 6 +
src/tools/pg_bsd_indent/tests/nsac.pro | 1 +
src/tools/pg_bsd_indent/tests/offsetof.0 | 5 +
src/tools/pg_bsd_indent/tests/offsetof.0.stdout | 7 +
src/tools/pg_bsd_indent/tests/parens.0 | 26 +
src/tools/pg_bsd_indent/tests/parens.0.stdout | 26 +
src/tools/pg_bsd_indent/tests/parens.pro | 1 +
src/tools/pg_bsd_indent/tests/sac.0 | 4 +
src/tools/pg_bsd_indent/tests/sac.0.stdout | 6 +
src/tools/pg_bsd_indent/tests/sac.pro | 1 +
src/tools/pg_bsd_indent/tests/struct.0 | 21 +
src/tools/pg_bsd_indent/tests/struct.0.stdout | 23 +
src/tools/pg_bsd_indent/tests/surplusbad.0 | 9 +
src/tools/pg_bsd_indent/tests/surplusbad.0.stdout | 9 +
src/tools/pg_bsd_indent/tests/surplusbad.pro | 1 +
src/tools/pg_bsd_indent/tests/types_from_file.0 | 3 +
.../pg_bsd_indent/tests/types_from_file.0.stdout | 3 +
src/tools/pg_bsd_indent/tests/types_from_file.list | 2 +
src/tools/pg_bsd_indent/tests/types_from_file.pro | 1 +
src/tools/pg_bsd_indent/tests/wchar.0 | 6 +
src/tools/pg_bsd_indent/tests/wchar.0.stdout | 6 +
61 files changed, 5737 insertions(+)