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126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/*
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* Copyright (c) 1989 Jan-Simon Pendry
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* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)fsi_dict.c 8.1 (Berkeley) 6/6/93
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*
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* $Id: fsi_dict.c,v 1.1.1.1 1994/05/26 05:22:17 rgrimes Exp $
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*
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*/
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/*
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* Dictionary support
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*/
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#include "../fsinfo/fsinfo.h"
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static int dict_hash(k)
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char *k;
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{
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unsigned int h;
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for (h = 0; *k; h += *k++)
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;
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return h % DICTHASH;
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}
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dict *new_dict()
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{
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dict *dp = ALLOC(dict);
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return dp;
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}
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static void dict_add_data(de, v)
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dict_ent *de;
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char *v;
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{
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dict_data *dd = ALLOC(dict_data);
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dd->dd_data = v;
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ins_que(&dd->dd_q, de->de_q.q_back);
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de->de_count++;
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}
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static dict_ent *new_dict_ent(k)
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char *k;
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{
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dict_ent *de = ALLOC(dict_ent);
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de->de_key = k;
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init_que(&de->de_q);
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return de;
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}
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dict_ent *dict_locate(dp, k)
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dict *dp;
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char *k;
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{
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dict_ent *de = dp->de[dict_hash(k)];
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while (de && !STREQ(de->de_key, k))
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de = de->de_next;
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return de;
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}
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void dict_add(dp, k, v)
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dict *dp;
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char *k, *v;
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{
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dict_ent *de = dict_locate(dp, k);
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if (!de) {
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dict_ent **dep = &dp->de[dict_hash(k)];
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de = new_dict_ent(k);
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de->de_next = *dep;
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*dep = de;
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}
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dict_add_data(de, v);
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}
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int dict_iter(dp, fn)
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dict *dp;
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int (*fn)();
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{
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int i;
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int errors = 0;
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for (i = 0; i < DICTHASH; i++) {
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dict_ent *de = dp->de[i];
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while (de) {
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errors += (*fn)(&de->de_q);
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de = de->de_next;
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}
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}
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return errors;
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}
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