X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Favl.h;h=33451170a45754ec5418ba6f5c0edc85954e11c0;hb=7eb77f514e9c31ae3efc3852b29fdc5f72edac8e;hp=16cea00f5be2e32e3b0606cca4d7fe24576e0de2;hpb=3c598e89fb34a892d369a138daa8c3314294493c;p=openldap

diff --git a/include/avl.h b/include/avl.h
index 16cea00f5b..33451170a4 100644
--- a/include/avl.h
+++ b/include/avl.h
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2007 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,14 +38,20 @@ LDAP_BEGIN_DECL
 
 typedef struct avlnode Avlnode;
 
-#ifdef AVL_INTERNAL
 struct avlnode {
 	void*		avl_data;
-	signed int		avl_bf;
-	struct avlnode	*avl_left;
-	struct avlnode	*avl_right;
+	struct avlnode	*avl_link[2];
+	char		avl_bits[2];
+	signed char		avl_bf;
 };
 
+#define avl_left	avl_link[0]
+#define avl_right	avl_link[1]
+#define avl_lbit	avl_bits[0]
+#define avl_rbit	avl_bits[1]
+
+#ifdef AVL_INTERNAL
+
 #define NULLAVL	((Avlnode *) NULL)
 
 /* balance factor values */
@@ -53,12 +59,21 @@ struct avlnode {
 #define EH 	0
 #define RH 	1
 
+/* thread bits */
+#define	AVL_THREAD	0
+#define	AVL_CHILD	1
+
 /* avl routines */
 #define avl_getone(x)	((x) == 0 ? 0 : (x)->avl_data)
 #define avl_onenode(x)	((x) == 0 || ((x)->avl_left == 0 && (x)->avl_right == 0))
 
 #endif /* AVL_INTERNALS */
 
+#define	avl_child(x,dir)	((x)->avl_bits[dir]) == AVL_CHILD ? \
+	(x)->avl_link[dir] : NULL
+#define	avl_lchild(x)	avl_child(x,0)
+#define	avl_rchild(x)	avl_child(x,1)
+
 typedef int		(*AVL_APPLY) LDAP_P((void *, void*));
 typedef int		(*AVL_CMP) LDAP_P((const void*, const void*));
 typedef int		(*AVL_DUP) LDAP_P((void*, void*));
@@ -76,6 +91,9 @@ avl_delete LDAP_P((Avlnode **, void*, AVL_CMP));
 LDAP_AVL_F( void* )
 avl_find LDAP_P((Avlnode *, const void*, AVL_CMP));
 
+LDAP_AVL_F( Avlnode* )
+avl_find2 LDAP_P((Avlnode *, const void*, AVL_CMP));
+
 LDAP_AVL_F( void* )
 avl_find_lin LDAP_P((Avlnode *, const void*, AVL_CMP));
 
@@ -99,6 +117,30 @@ avl_apply LDAP_P((Avlnode *, AVL_APPLY, void*, int, int));
 LDAP_AVL_F( int )
 avl_prefixapply LDAP_P((Avlnode *, void*, AVL_CMP, void*, AVL_CMP, void*, int));
 
+LDAP_AVL_F( int )
+tavl_free LDAP_P(( Avlnode *root, AVL_FREE dfree ));
+
+LDAP_AVL_F( int )
+tavl_insert LDAP_P((Avlnode **, void*, AVL_CMP, AVL_DUP));
+
+LDAP_AVL_F( void* )
+tavl_delete LDAP_P((Avlnode **, void*, AVL_CMP));
+
+LDAP_AVL_F( void* )
+tavl_find LDAP_P((Avlnode *, const void*, AVL_CMP));
+
+LDAP_AVL_F( Avlnode* )
+tavl_find2 LDAP_P((Avlnode *, const void*, AVL_CMP));
+
+#define	TAVL_DIR_LEFT	0
+#define	TAVL_DIR_RIGHT	1
+
+LDAP_AVL_F( Avlnode* )
+tavl_end LDAP_P((Avlnode *, int direction ));
+
+LDAP_AVL_F( Avlnode* )
+tavl_next LDAP_P((Avlnode *, int direction ));
+
 /* apply traversal types */
 #define AVL_PREORDER	1
 #define AVL_INORDER	2