1 /* back-bdb.h - ldap bdb back-end header file */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2003 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
20 /* IDL sizes - likely should be even bigger
21 * limiting factors: sizeof(ID), thread stack size
23 #define BDB_IDL_DB_SIZE (1<<16) /* 64K IDL on disk */
24 #define BDB_IDL_UM_SIZE (1<<17) /* 128K IDL in memory */
25 #define BDB_IDL_UM_SIZEOF (BDB_IDL_UM_SIZE * sizeof(ID))
27 #define BDB_IDL_DB_MAX (BDB_IDL_DB_SIZE-1)
29 #define BDB_IDL_UM_MAX (BDB_IDL_UM_SIZE-1)
31 #define BDB_IDL_IS_RANGE(ids) ((ids)[0] == NOID)
32 #define BDB_IDL_RANGE_SIZE (3)
33 #define BDB_IDL_RANGE_SIZEOF (BDB_IDL_RANGE_SIZE * sizeof(ID))
34 #define BDB_IDL_SIZEOF(ids) ((BDB_IDL_IS_RANGE(ids) \
35 ? BDB_IDL_RANGE_SIZE : ((ids)[0]+1)) * sizeof(ID))
37 #define BDB_IDL_RANGE_FIRST(ids) ((ids)[1])
38 #define BDB_IDL_RANGE_LAST(ids) ((ids)[2])
40 #define BDB_IDL_RANGE( ids, f, l ) \
47 #define BDB_IDL_ZERO(ids) \
54 #define BDB_IDL_IS_ZERO(ids) ( (ids)[0] == 0 )
55 #define BDB_IDL_IS_ALL( range, ids ) ( (ids)[0] == NOID \
56 && (ids)[1] <= (range)[1] && (range)[2] <= (ids)[2] )
58 #define BDB_IDL_CPY( dst, src ) (AC_MEMCPY( dst, src, BDB_IDL_SIZEOF( src ) ))
60 #define BDB_IDL_ID( bdb, ids, id ) BDB_IDL_RANGE( ids, id, ((bdb)->bi_lastid) )
61 #define BDB_IDL_ALL( bdb, ids ) BDB_IDL_RANGE( ids, 1, ((bdb)->bi_lastid) )
63 #define BDB_IDL_FIRST( ids ) ( ids[1] )
64 #define BDB_IDL_LAST( ids ) ( BDB_IDL_IS_RANGE(ids) \
65 ? ids[2] : ids[ids[0]] )
67 #define BDB_IDL_N( ids ) ( BDB_IDL_IS_RANGE(ids) \
68 ? (ids[2]-ids[1])+1 : ids[0] )