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postgres/src/backend/tsearch
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Tom Lane 8af1624e3f Validate ispell dictionaries more carefully. 
Using incorrect, or just mismatched, dictionary and affix files
could result in a crash, due to failure to cross-check offsets
obtained from the file.  Add necessary validation, as well as
some Asserts for future-proofing.

Per bug #16050 from Alexander Lakhin.  Back-patch to 9.6 where the
problem was introduced.

Arthur Zakirov, per initial investigation by Tomas Vondra

Discussion: https://postgr.es/m/16050-024ae722464ab604@postgresql.org
Discussion: https://postgr.es/m/20191013012610.2p2fp3zzpoav7jzf@development
2019-11-02 16:45:32 -04:00
..
dicts
Update copyright for 2019
2019-01-02 12:44:25 -05:00
dict_ispell.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00
dict_simple.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00
dict_synonym.c
Fix inconsistencies and typos in the tree, take 11
2019-08-19 16:21:39 +09:00
dict_thesaurus.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00
dict.c
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2019-01-02 12:44:25 -05:00
Makefile
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2019-01-02 12:44:25 -05:00
regis.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00
spell.c
Validate ispell dictionaries more carefully.
2019-11-02 16:45:32 -04:00
to_tsany.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00
ts_locale.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00
ts_parse.c
Fix inconsistencies and typos in the tree, take 11
2019-08-19 16:21:39 +09:00
ts_selfuncs.c
Phase 2 pgindent run for v12.
2019-05-22 13:04:48 -04:00
ts_typanalyze.c
Phase 2 pgindent run for v12.
2019-05-22 13:04:48 -04:00
ts_utils.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00
wparser_def.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00
wparser.c
Update copyright for 2019
2019-01-02 12:44:25 -05:00