Cleanup for pglz_compress code: remove dead code, const-ify API of

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 378c79dc78346ca8b54719ae33f99dc16152e2db
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2006-10-05T23:33:33Z
Releases: 8.2.0
Cleanup for pglz_compress code: remove dead code, const-ify API of
remaining functions, simplify pglz_compress's API to not require a useless
data copy when compression fails.  Also add a check in pglz_decompress that
the expected amount of data was decompressed.

Files