2 /* $NetBSD: citrus_hash.h,v 1.3 2004/01/02 21:49:35 itojun Exp $ */
5 * SPDX-License-Identifier: BSD-2-Clause
7 * Copyright (c)2003 Citrus Project,
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #ifndef _CITRUS_HASH_H_
33 #define _CITRUS_HASH_H_
35 #define _CITRUS_HASH_ENTRY(type) LIST_ENTRY(type)
36 #define _CITRUS_HASH_HEAD(headname, type, hashsize) \
38 LIST_HEAD(, type) chh_table[hashsize]; \
40 #define _CITRUS_HASH_INIT(head, hashsize) \
44 for (_ch_loop = 0; _ch_loop < hashsize; _ch_loop++) \
45 LIST_INIT(&(head)->chh_table[_ch_loop]); \
47 #define _CITRUS_HASH_REMOVE(elm, field) LIST_REMOVE(elm, field)
48 #define _CITRUS_HASH_INSERT(head, elm, field, hashval) \
49 LIST_INSERT_HEAD(&(head)->chh_table[hashval], elm, field)
50 #define _CITRUS_HASH_SEARCH(head, elm, field, matchfunc, key, hashval) \
52 LIST_FOREACH((elm), &(head)->chh_table[hashval], field) \
53 if (matchfunc((elm), key) == 0) \
58 int _citrus_string_hash_func(const char *, int);