1/* $NetBSD: citrus_hash.c,v 1.2 2005/11/29 03:11:58 christos Exp $ */ 2 3/*- 4 * Copyright (c)2003 Citrus Project, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30#if defined(LIBC_SCCS) && !defined(lint) 31__RCSID("$NetBSD: citrus_hash.c,v 1.2 2005/11/29 03:11:58 christos Exp $"); 32#endif /* LIBC_SCCS and not lint */ 33 34#include "namespace.h" 35#include <assert.h> 36#include <stdio.h> 37#include <string.h> 38#include <sys/types.h> 39 40#include "citrus_namespace.h" 41#include "citrus_types.h" 42#include "citrus_region.h" 43#include "citrus_hash.h" 44#include "citrus_db_hash.h" 45 46int 47_citrus_string_hash_func(const char *key, int hashsize) 48{ 49 struct _region r; 50 51 _region_init(&r, __UNCONST(key), strlen(key)); 52 53 return (int)(_db_hash_std(NULL, &r) % (uint32_t)hashsize); 54} 55