mirror of
git://git.code.sf.net/p/cdesktopenv/code
synced 2025-03-09 15:50:02 +00:00
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
|
|
* CDE - Common Desktop Environment
|
|
*
|
|
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
|
|
*
|
|
* These libraries and programs are free software; you can
|
|
* redistribute them and/or modify them under the terms of the GNU
|
|
* Lesser General Public License as published by the Free Software
|
|
* Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* These libraries and programs are distributed in the hope that
|
|
* they will be useful, but WITHOUT ANY WARRANTY; without even the
|
|
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU Lesser General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with these libraries and programs; if not, write
|
|
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
|
|
* Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/* $XConsortium: tree.h /main/4 1995/11/09 12:53:31 rswiston $ */
|
|
/*
|
|
* (c) Copyright 1993, 1994 Hewlett-Packard Company
|
|
* (c) Copyright 1993, 1994 International Business Machines Corp.
|
|
* (c) Copyright 1993, 1994 Novell, Inc.
|
|
* (c) Copyright 1993, 1994 Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#ifndef _TREE_H
|
|
#define _TREE_H
|
|
|
|
#include "ansi_c.h"
|
|
#include "data.h"
|
|
|
|
/*
|
|
** 2-3-4 tree, a.k.a. red-black tree
|
|
*/
|
|
|
|
typedef enum {red=0, black=1} Color;
|
|
|
|
typedef struct node {
|
|
struct node *llink;
|
|
struct node *rlink;
|
|
Color color;
|
|
caddr_t data;
|
|
} Tree_node;
|
|
|
|
typedef struct {
|
|
Tree_node *root;
|
|
caddr_t private; /* for internal tool state */
|
|
} Rb_tree;
|
|
|
|
extern Rb_tree* rb_create P((_DtCmsGetKeyProc, _DtCmsCompareProc));
|
|
|
|
extern void rb_destroy P((Rb_tree*, _DtCmsEnumerateProc));
|
|
|
|
extern int rb_size P((Rb_tree*t));
|
|
|
|
extern Rb_Status rb_insert P((Rb_tree*, caddr_t data, caddr_t key));
|
|
|
|
extern Rb_Status rb_insert_node P((Rb_tree*, Tree_node*, caddr_t key));
|
|
|
|
extern Tree_node * rb_delete P((Rb_tree*, caddr_t key));
|
|
|
|
extern caddr_t rb_lookup P((Rb_tree*, caddr_t key));
|
|
|
|
extern caddr_t rb_lookup_next_larger P((Rb_tree*, caddr_t key));
|
|
|
|
extern caddr_t rb_lookup_next_smaller P((Rb_tree*, caddr_t key));
|
|
|
|
extern caddr_t rb_lookup_smallest P((Rb_tree*));
|
|
|
|
extern caddr_t rb_lookup_largest P((Rb_tree*));
|
|
|
|
extern Rb_Status rb_enumerate_up P((Rb_tree*, _DtCmsEnumerateProc));
|
|
|
|
extern void rb_enumerate_down P((Rb_tree*, _DtCmsEnumerateProc));
|
|
|
|
extern Rb_Status rb_check_tree P((Rb_tree *));
|
|
|
|
#endif
|