The following function should be used very seldom.
ret = gdbm_reorganize(dbf);
The parameter is:
If you have had a lot of deletions and would like to shrink the space
used by the
gdbm file, this function will reorganize the database.
gdbm will not shorten the length of a
gdbm file (deleted file space will be
reused) except by using this reorganization.
This reorganization requires creating a new file and inserting all the elements
in the old file
dbf into the new file. The new file is then renamed to
the same name as the old file and
dbf is updated to contain all the
correct information about the new file. If an error is detected, the return
value is negative. The value zero is returned after a successful
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