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#define DBM_CACHE_MAX 63 /* cache 64 entries for dbm file */
/* (resident array acts as a write-thru cache)*/
#ifdef WANT_DBZ
# include <dbz.h>
# define SOME_DBM
# define dbm_fetch(db,dkey) fetch(dkey)
# define dbm_delete(db,dkey) croak("dbz doesn't implement delete")
# define dbm_store(db,dkey,dcontent,flags) store(dkey,dcontent)
# define dbm_close(db) dbmclose()
# define dbm_firstkey(db) (croak("dbz doesn't implement traversal"),fetch())
# define nextkey() (croak("dbz doesn't implement traversal"),fetch())
# define dbm_nextkey(db) (croak("dbz doesn't implement traversal"),fetch())
# ifdef HAS_NDBM
# undef HAS_NDBM
# endif
# ifndef HAS_ODBM
# define HAS_ODBM
# endif
#else
# ifdef HAS_GDBM
# ifdef I_GDBM
# include <gdbm.h>
# endif
# define SOME_DBM
# ifdef HAS_NDBM
# undef HAS_NDBM
# endif
# ifdef HAS_ODBM
# undef HAS_ODBM
# endif
# else
# ifdef HAS_NDBM
# include <ndbm.h>
# define SOME_DBM
# ifdef HAS_ODBM
# undef HAS_ODBM
# endif
# else
# ifdef HAS_ODBM
# ifdef NULL
# undef NULL /* suppress redefinition message */
# endif
# include <dbm.h>
# ifdef NULL
# undef NULL
# endif
# define NULL 0 /* silly thing is, we don't even use this... */
# define SOME_DBM
# define dbm_fetch(db,dkey) fetch(dkey)
# define dbm_delete(db,dkey) delete(dkey)
# define dbm_store(db,dkey,dcontent,flags) store(dkey,dcontent)
# define dbm_close(db) dbmclose()
# define dbm_firstkey(db) firstkey()
# endif /* HAS_ODBM */
# endif /* HAS_NDBM */
# endif /* HAS_GDBM */
#endif /* WANT_DBZ */
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