latest passdb checkins

[Tim Potter]

Gerald Carter writes:

> Also, I have reworked the TDB passdb backend.  In doing so,
> I realized that this DBM is to limited for a passdb.
> Thus the "T" meaning "Trivial".  We need a more robust DBM
> with transactional support and multiple indexes for searching.
> Right now, the Berkely DB looks like a good replacement.
> The Gnu DBM may be another possibility, but I have not explored
> it as much.

Tdb was written to be a more flexible substitute for gdbm so it's
unlikely that gdbm will be able to solve any problems that tdb
can't. 


Regards,

Tim.