[Pgbigm-hackers] Checks for buffer overflow and update copyright information

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Beena Emerson memis****@gmail*****
2014年 5月 20日 (火) 23:22:42 JST


It was reported that using pg_trgm for turkish locale and UTF8 encoding,
resulted in segmentation fault. The reason was changing the uppercase I to
lowercase required more space.

This bug was fixed in commit:

https://github.com/postgres/postgres/commit/c3ccc9ee584b9b015dd9c1931e261e21f3961e5f


A few checks for the buffer over flow case have also been added in this
commit

Though pg_bigm does not convert the string to lower case, the checks for
buffer overflow could be added and the attached patch
buffer-overflow-check.patch does that. This patch does not include the
change to add more space to the intermediate buffer.

The second patch update-copyright-2014.patch, updates the copyright
information on various files.



Regards,

Beena Emerson

Have a Great Day!
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