freechain (was Re: Save command)

[Kenneth Brody]

On 5/18/2011 10:31 AM, Nancy Palmquist wrote:
> Richard,
>
> If the freechain is rebuilding, it could very well have been written but
> was stored on a "free" record.  Each record has some kind of flag that
> tells fp if it is free or not.  Since the record is on the free list you
> can not scan for the data, sort the data, or do anything to find it
> except a visual record by record search.  To find it you would have to
[...]

There is a third state -- being created.  That is, a record which has been 
removed from the freechain, because it is currently being created, but has 
not yet been written.  The freechain rebuild knows about this state, and 
will not attempt to put it back onto the freechain.

-- 
Kenneth Brody