citrus_hash.c revision 330897 
1/* $FreeBSD: stable/11/lib/libc/iconv/citrus_hash.c 330897 2018-03-14 03:19:51Z eadler $ */
2/* $NetBSD: citrus_hash.c,v 1.3 2008/02/09 14:56:20 junyoung 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#include <sys/cdefs.h>
33#include <sys/types.h>
34
35#include <assert.h>
36#include <stdio.h>
37#include <string.h>
38
39#include "citrus_namespace.h"
40#include "citrus_types.h"
41#include "citrus_region.h"
42#include "citrus_hash.h"
43#include "citrus_db_hash.h"
44
45int
46_citrus_string_hash_func(const char *key, int hashsize)
47{
48	struct _region r;
49
50	_region_init(&r, __DECONST(void *, key), strlen(key));
51
52	return ((int)(_db_hash_std(&r) % (uint32_t)hashsize));
53}
54