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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Declarations for the functions in libcmdutils.
*/
#ifndef _LIBCMDUTILS_H
#define _LIBCMDUTILS_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This is a private header file. Applications should not directly include
* this file.
*/
#include <sys/avl.h>
#include <sys/types.h>
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
/* avltree */
#define OFFSETOF(s, m) ((size_t)(&(((s *)0)->m)))
/* Type used for a node containing a device id and inode number */
typedef struct tree_node {
dev_t node_dev;
ino_t node_ino;
avl_node_t avl_link;
} tree_node_t;
/*
* Used to compare two nodes. We are attempting to match the 1st
* argument (node) against the 2nd argument (a node which
* is already in the search tree).
*/
extern int tnode_compare(const void *, const void *);
/*
* Used to add a single node (containing the input device id and
* inode number) to the specified search tree. The calling
* application must set the tree pointer to NULL before calling
* add_tnode() for the first time.
*/
extern int add_tnode(avl_tree_t **, dev_t, ino_t);
/*
* Used to destroy a whole tree (all nodes) without rebalancing.
* The calling application is responsible for setting the tree
* pointer to NULL upon return.
*/
extern void destroy_tree(avl_tree_t *);
#ifdef __cplusplus
}
#endif
#endif /* _LIBCMDUTILS_H */
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