I am attaching a patch to eliminate duplicate b64_encode and decode
functions from pgcrypto, and to expose those functions for use by
add-ins (I want to use them in Veil).
The patch was made against CVS head today. It compiles and tests
successfully. Though I was unable to run pgrypto regression tests, I
did give the b64 encoding a sanity check.
I also added a b64_char() function that is now used from pgcrypto. This
allowed me to remove the duplicate _base64 character array.
I hope this is the correct place to submit the patch. The wiki
(http://wiki.postgresql.org/wiki/Submitting_a_Patch) refers to
pgsql-patches but I believe that is now deprecated.
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Marc
