59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
/* $NetBSD: citrus_hash.h,v 1.3 2004/01/02 21:49:35 itojun Exp $ */
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/*-
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* Copyright (c)2003 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _CITRUS_HASH_H_
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#define _CITRUS_HASH_H_
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#define _CITRUS_HASH_ENTRY(type) LIST_ENTRY(type)
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#define _CITRUS_HASH_HEAD(headname, type, hashsize) \
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struct headname { \
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LIST_HEAD(, type) chh_table[hashsize]; \
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}
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#define _CITRUS_HASH_INIT(head, hashsize) \
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do { \
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int _ch_loop; \
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for (_ch_loop = 0; _ch_loop < hashsize; _ch_loop++) \
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LIST_INIT(&(head)->chh_table[_ch_loop]); \
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} while (/*CONSTCOND*/0)
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#define _CITRUS_HASH_REMOVE(elm, field) LIST_REMOVE(elm, field)
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#define _CITRUS_HASH_INSERT(head, elm, field, hashval) \
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LIST_INSERT_HEAD(&(head)->chh_table[hashval], elm, field)
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#define _CITRUS_HASH_SEARCH(head, elm, field, matchfunc, key, hashval) \
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do { \
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LIST_FOREACH((elm), &(head)->chh_table[hashval], field) { \
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if (matchfunc((elm), key)==0) \
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break; \
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} \
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} while (/*CONSTCOND*/0)
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__BEGIN_DECLS
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int _citrus_string_hash_func(const char *, int);
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__END_DECLS
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#endif
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