xref: /illumos-gate/usr/src/cmd/fm/eversholt/common/lut.h (revision 7c478bd9)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  *
26  * lut.h -- public definitions for lookup table module
27  *
28  * this module is a very simple look-up table implementation.  used
29  * all over this program to implement tables of various sorts.
30  */
31 
32 #ifndef	_ESC_COMMON_LUT_H
33 #define	_ESC_COMMON_LUT_H
34 
35 #pragma ident	"%Z%%M%	%I%	%E% SMI"
36 
37 #ifdef	__cplusplus
38 extern "C" {
39 #endif
40 
41 #include "tree.h"
42 
43 void lut_init(void);
44 void lut_fini(void);
45 typedef int (*lut_cmp)(void *lhs, void *rhs);
46 struct lut *lut_add(struct lut *root, void *lhs, void *rhs,
47     int (*cmp_func)(void *old_lhs, void *new_lhs));
48 void *lut_lookup(struct lut *root, void *lhs, lut_cmp cmp_func);
49 void *lut_lookup_lhs(struct lut *root, void *lhs, lut_cmp cmp_func);
50 typedef void (*lut_cb)(void *lhs, void *rhs, void *arg);
51 void lut_walk(struct lut *root, lut_cb callback, void *arg);
52 void lut_free(struct lut *root, lut_cb callback, void *arg);
53 
54 #ifdef	__cplusplus
55 }
56 #endif
57 
58 #endif	/* _ESC_COMMON_LUT_H */
59