tagged hash in 64 bit world (was expire problems)

[Heath Kehoe]

We should put a check in configure that prevents taggedhash and
largefiles from being used together.

-h

>
>There is definetly some peril running round in the tagged hash dbz.c
>code when file size can be 64 bits.  One of the interesting things 
>the code does is define of_t to be a long anyhow - so I think anyone
>with > 2gig history must not use tagged.
>
[snip]
>
>.....it gets way more worser the further down in the code you get - if you
>have a history file larger than 2g you just will have to not use tagged
>hash till it gets some major codectomey.
>
>Sorry
>
>Mark Hittinger
>Mindspring/Netcom/Dallas
>msh at freebsd.org
>bugs at freebsd.netcom.com
>
>
>