[Findutils-patches] Matching on the tails of updated pathnames in locate

[James Youngman]

Noticing that "locate" is much slower at searching the file name
database than grep is at searching the uncompressed list, I came up
with this change.  It tries to make use of the knowledge of how much
of the pathname was changed, and whether the previous match was
successful.  Unfortunately this approach does not work well for
multi-byte encoding locales.  I'd be grateful to know what you think
of the attached patch.

James.

locate-tailmatch.patch
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