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Make pw_scan(3) more compatible with getpwent(3) et. al. when processing
[FreeBSD/FreeBSD.git] / lib / libc / iconv / citrus_hash.h
1 /* $FreeBSD$ */
2 /* $NetBSD: citrus_hash.h,v 1.3 2004/01/02 21:49:35 itojun Exp $ */
3
4 /*-
5  * SPDX-License-Identifier: BSD-2-Clause
6  *
7  * Copyright (c)2003 Citrus Project,
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
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.
18  *
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
29  * SUCH DAMAGE.
30  */
31
32 #ifndef _CITRUS_HASH_H_
33 #define _CITRUS_HASH_H_
34
35 #define _CITRUS_HASH_ENTRY(type) LIST_ENTRY(type)
36 #define _CITRUS_HASH_HEAD(headname, type, hashsize)     \
37 struct headname {                                       \
38         LIST_HEAD(, type)       chh_table[hashsize];    \
39 }
40 #define _CITRUS_HASH_INIT(head, hashsize)                       \
41 do {                                                            \
42         int _ch_loop;                                           \
43                                                                 \
44         for (_ch_loop = 0; _ch_loop < hashsize; _ch_loop++)     \
45                 LIST_INIT(&(head)->chh_table[_ch_loop]);        \
46 } while (0)
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)  \
51 do {                                                                    \
52         LIST_FOREACH((elm), &(head)->chh_table[hashval], field)         \
53                 if (matchfunc((elm), key) == 0)                         \
54                         break;                                          \
55 } while (0)
56
57 __BEGIN_DECLS
58 int      _citrus_string_hash_func(const char *, int);
59 __END_DECLS
60
61 #endif