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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _NHASH_H
28#define	_NHASH_H
29
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35#ifndef NULL
36#define	NULL	0
37#endif	/* NULL */
38
39typedef struct item_t {
40    void *key;
41    int	  keyl;
42    void *data;
43    int	  datal;
44} Item;
45
46#define	Null_Item ((Item *) NULL)
47
48typedef struct bucket_t {
49	int nent;
50	int nalloc;
51	Item **itempp;
52} Bucket;
53
54typedef struct cache_t {
55	int	hsz;
56	int	bsz;
57	Bucket *bp;
58	int (*hfunc)(void *, int, int);
59	int (*cfunc)(void *, void *, int);
60} Cache;
61
62#ifdef _KERNEL
63#define	malloc	bkmem_alloc
64#endif	/* _KERNEL */
65
66extern int init_cache(Cache **cp, int hsz, int bsz,
67	    int (*hfunc)(void *, int, int), int (*cfunc)(void *, void *, int));
68extern int add_cache(Cache *cp, Item *itemp);
69extern Item *lookup_cache(Cache *cp, void *datap, int datalen);
70
71#ifdef __cplusplus
72}
73#endif
74
75#endif /* _NHASH_H */
76