Fix for Berkeley DB 2.6.4(beta) (ITS#27)

[kurt.spanier@zdv.uni-tuebingen.de]

Hi Folks,

the error (see below) was caused by a change in the function call to
(DB)->cursor, Sleepycat introduced with the new Berkeley DB version 2.6.4
(BETA). The code now supports both DB versions prior to 2.6.4 as well as 
2.6.4 and up ( hopefully :-).

Additionally, I have introduced ldbm_datum_init() to initialize Datum
structures before first use. DB 2.x needs initialization to zero of the
flag element, which is not done automatically on e.g. Linux.


Regards,

Kurt Spanier


> Platform Redhat Linux 5.2 with kernel 2.0.36
> Berkeley DB 2.6.4 (http://www.sleepycat.com)
> 
> Configure command

> CPPFLAGS="-I/usr/local/site/BerkeleyDB/include/"
>  LDFLAGS="-L/usr/local/site/BerkeleyDB/lib -ldb" ./configure
>  --enable-wrappers
>  --prefix=/usr/local/site/prefix
>
> make depend
> make
> 
> Error seen

...

> ldbm.c: In function `ldbm_firstkey':
> ldbm.c:202: too few arguments to function
> make[2]: *** [ldbm.o] Error 1
> make[4]: *** No rule to make target `../../libraries/libldbm.a', needed
>   by `version.c'.  Stop.
> make[3]: *** [all-local-srv] Error 2
> make[2]: *** [all-common] Error 2



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