/* back-bdb.h - ldap ldbm back-end header file */
/* $OpenLDAP$ */
/*
- * Copyright 2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/* IDL sizes - likely should be even bigger
* limiting factors: sizeof(ID), thread stack size
+ *
+ * Note: the -2 stuff is intended to reduce the size
+ * just enough to avoiding internal (to malloc) allocation
+ * of overly large blocks to provide the requested size.
+ * The stuff needs to be thought out better, doesn't deal
+ * well with mixed stack/malloc allocation of IDLs.
*/
-#define BDB_IDL_DB_SIZE (1<<16) /* 32K IDL on disk */
-#define BDB_IDL_UM_SIZE (1<<17) /* 64K IDL in memory */
+#define BDB_IDL_DB_SIZE ((1<<16)-2) /* 32K IDL on disk */
+#define BDB_IDL_UM_SIZE ((1<<17)-2) /* 64K IDL in memory */
#define BDB_IDL_UM_SIZEOF (BDB_IDL_UM_SIZE * sizeof(ID))
-#define BDB_IDL_DB_MAX (BDB_IDL_DB_SIZE-32)
+#define BDB_IDL_DB_MAX (BDB_IDL_DB_SIZE-2)
/* #define BDB_IDL_DB_ALLOC (BDB_IDL_DB_SIZE * sizeof(ID)) */
-#define BDB_IDL_UM_MAX (BDB_IDL_UM_SIZE-32)
+#define BDB_IDL_UM_MAX (BDB_IDL_UM_SIZE-2)
/* #define BDB_IDL_UM_ALLOC (BDB_IDL_UM_SIZE * sizeof(ID)) */
#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_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])