/* idl.h - ldap bdb back-end ID list header file */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 2000-2004 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ #ifndef _BDB_IDL_H_ #define _BDB_IDL_H_ /* IDL sizes - likely should be even bigger * limiting factors: sizeof(ID), thread stack size */ #define BDB_IDL_DB_SIZE (1<<16) /* 64K IDL on disk */ #define BDB_IDL_UM_SIZE (1<<17) /* 128K IDL in memory */ #define BDB_IDL_UM_SIZEOF (BDB_IDL_UM_SIZE * sizeof(ID)) #define BDB_IDL_DB_MAX (BDB_IDL_DB_SIZE-1) #define BDB_IDL_UM_MAX (BDB_IDL_UM_SIZE-1) #define BDB_IDL_IS_RANGE(ids) ((ids)[0] == NOID) #define BDB_IDL_RANGE_SIZE (3) #define BDB_IDL_RANGE_SIZEOF (BDB_IDL_RANGE_SIZE * sizeof(ID)) #define BDB_IDL_SIZEOF(ids) ((BDB_IDL_IS_RANGE(ids) \ ? BDB_IDL_RANGE_SIZE : ((ids)[0]+1)) * sizeof(ID)) #define BDB_IDL_RANGE_FIRST(ids) ((ids)[1]) #define BDB_IDL_RANGE_LAST(ids) ((ids)[2]) #define BDB_IDL_RANGE( ids, f, l ) \ do { \ (ids)[0] = NOID; \ (ids)[1] = (f); \ (ids)[2] = (l); \ } while(0) #define BDB_IDL_ZERO(ids) \ do { \ (ids)[0] = 0; \ (ids)[1] = 0; \ (ids)[2] = 0; \ } while(0) #define BDB_IDL_IS_ZERO(ids) ( (ids)[0] == 0 ) #define BDB_IDL_IS_ALL( range, ids ) ( (ids)[0] == NOID \ && (ids)[1] <= (range)[1] && (range)[2] <= (ids)[2] ) #define BDB_IDL_CPY( dst, src ) (AC_MEMCPY( dst, src, BDB_IDL_SIZEOF( src ) )) #define BDB_IDL_ID( bdb, ids, id ) BDB_IDL_RANGE( ids, id, ((bdb)->bi_lastid) ) #define BDB_IDL_ALL( bdb, ids ) BDB_IDL_RANGE( ids, 1, ((bdb)->bi_lastid) ) #define BDB_IDL_FIRST( ids ) ( ids[1] ) #define BDB_IDL_LAST( ids ) ( BDB_IDL_IS_RANGE(ids) \ ? ids[2] : ids[ids[0]] ) #define BDB_IDL_N( ids ) ( BDB_IDL_IS_RANGE(ids) \ ? (ids[2]-ids[1])+1 : ids[0] ) LDAP_BEGIN_DECL LDAP_END_DECL #endif