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77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/* back-bdb.h - ldap ldbm back-end header file */
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/* $OpenLDAP$ */
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/*
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* Copyright 2000-2002 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#ifndef _BDB_IDL_H_
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#define _BDB_IDL_H_
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#include <portable.h>
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#include "slap.h"
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/* IDL sizes - likely should be even bigger
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* limiting factors: sizeof(ID), thread stack size
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*
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* Note: the -2 stuff is intended to reduce the size
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* just enough to avoiding internal (to malloc) allocation
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* of overly large blocks to provide the requested size.
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* The stuff needs to be thought out better, doesn't deal
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* well with mixed stack/malloc allocation of IDLs.
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*/
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#define BDB_IDL_DB_SIZE ((1<<16)-2) /* 32K IDL on disk */
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#define BDB_IDL_UM_SIZE ((1<<17)-2) /* 64K IDL in memory */
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#define BDB_IDL_UM_SIZEOF (BDB_IDL_UM_SIZE * sizeof(ID))
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#define BDB_IDL_DB_MAX (BDB_IDL_DB_SIZE-2)
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/* #define BDB_IDL_DB_ALLOC (BDB_IDL_DB_SIZE * sizeof(ID)) */
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#define BDB_IDL_UM_MAX (BDB_IDL_UM_SIZE-2)
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/* #define BDB_IDL_UM_ALLOC (BDB_IDL_UM_SIZE * sizeof(ID)) */
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#define BDB_IDL_IS_RANGE(ids) ((ids)[0] == NOID)
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#define BDB_IDL_RANGE_SIZE (3)
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#define BDB_IDL_RANGE_SIZEOF (BDB_IDL_RANGE_SIZE * sizeof(ID))
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#define BDB_IDL_SIZEOF(ids) ((BDB_IDL_IS_RANGE(ids) \
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? BDB_IDL_RANGE_SIZE : ((ids)[0]+1)) * sizeof(ID))
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#define BDB_IDL_RANGE_FIRST(ids) ((ids)[1])
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#define BDB_IDL_RANGE_LAST(ids) ((ids)[2])
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#define BDB_IDL_RANGE( ids, f, l ) \
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do { \
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(ids)[0] = NOID; \
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(ids)[1] = (f); \
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(ids)[2] = (l); \
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} while(0)
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#define BDB_IDL_ZERO(ids) \
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do { \
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(ids)[0] = 0; \
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(ids)[1] = 0; \
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(ids)[2] = 0; \
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} while(0)
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#define BDB_IDL_IS_ZERO(ids) ( (ids)[0] == 0 )
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#define BDB_IDL_IS_ALL( range, ids ) ( (ids)[0] == NOID \
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&& (ids)[1] <= (range)[1] && (range)[2] <= (ids)[2] )
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#define BDB_IDL_CPY( dst, src ) (AC_MEMCPY( dst, src, BDB_IDL_SIZEOF( src ) ))
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#define BDB_IDL_ID( bdb, ids, id ) BDB_IDL_RANGE( ids, id, ((bdb)->bi_lastid) )
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#define BDB_IDL_ALL( bdb, ids ) BDB_IDL_RANGE( ids, 1, ((bdb)->bi_lastid) )
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#define BDB_IDL_FIRST( ids ) ( ids[1] )
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#define BDB_IDL_LAST( ids ) ( BDB_IDL_IS_RANGE(ids) \
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? ids[2] : ids[ids[0]] )
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#define BDB_IDL_N( ids ) ( BDB_IDL_IS_RANGE(ids) \
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? (ids[2]-ids[1])+1 : ids[0] )
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LDAP_BEGIN_DECL
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LDAP_END_DECL
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#endif
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