1 /* idl.h - ldap bdb back-end ID list header file */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2011 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 #define AC_MEMCPY(dst,src,size) bcopy(src,dst,size)
22 #define ID unsigned long
25 /* IDL sizes - likely should be even bigger
26 * limiting factors: sizeof(ID), thread stack size
28 #define MDB_IDL_LOGN 16 /* DB_SIZE is 2^16, UM_SIZE is 2^17 */
29 #define MDB_IDL_DB_SIZE (1<<MDB_IDL_LOGN)
30 #define MDB_IDL_UM_SIZE (1<<(MDB_IDL_LOGN+1))
31 #define MDB_IDL_UM_SIZEOF (MDB_IDL_UM_SIZE * sizeof(ID))
33 #define MDB_IDL_DB_MAX (MDB_IDL_DB_SIZE-1)
35 #define MDB_IDL_UM_MAX (MDB_IDL_UM_SIZE-1)
37 #define MDB_IDL_IS_RANGE(ids) ((ids)[0] == NOID)
38 #define MDB_IDL_RANGE_SIZE (3)
39 #define MDB_IDL_RANGE_SIZEOF (MDB_IDL_RANGE_SIZE * sizeof(ID))
40 #define MDB_IDL_SIZEOF(ids) ((MDB_IDL_IS_RANGE(ids) \
41 ? MDB_IDL_RANGE_SIZE : ((ids)[0]+1)) * sizeof(ID))
43 #define MDB_IDL_RANGE_FIRST(ids) ((ids)[1])
44 #define MDB_IDL_RANGE_LAST(ids) ((ids)[2])
46 #define MDB_IDL_RANGE( ids, f, l ) \
53 #define MDB_IDL_ZERO(ids) \
60 #define MDB_IDL_IS_ZERO(ids) ( (ids)[0] == 0 )
61 #define MDB_IDL_IS_ALL( range, ids ) ( (ids)[0] == NOID \
62 && (ids)[1] <= (range)[1] && (range)[2] <= (ids)[2] )
64 #define MDB_IDL_CPY( dst, src ) (AC_MEMCPY( dst, src, MDB_IDL_SIZEOF( src ) ))
66 #define MDB_IDL_ID( bdb, ids, id ) MDB_IDL_RANGE( ids, id, ((bdb)->bi_lastid) )
67 #define MDB_IDL_ALL( bdb, ids ) MDB_IDL_RANGE( ids, 1, ((bdb)->bi_lastid) )
69 #define MDB_IDL_FIRST( ids ) ( ids[1] )
70 #define MDB_IDL_LAST( ids ) ( MDB_IDL_IS_RANGE(ids) \
71 ? ids[2] : ids[ids[0]] )
73 #define MDB_IDL_N( ids ) ( MDB_IDL_IS_RANGE(ids) \
74 ? (ids[2]-ids[1])+1 : ids[0] )
76 int mdb_idl_insert( ID *ids, ID id );