139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
/*
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* Copyright (c) 1997-1998 Erez Zadok
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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 The Regents of the University of California.
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* 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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* %W% (Berkeley) %G%
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*
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* $Id: fsi_dict.c,v 5.2.2.1 1992/02/09 15:09:43 jsp beta $
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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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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <am_defs.h>
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#include <fsi_data.h>
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#include <fsinfo.h>
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static int
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dict_hash(char *k)
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{
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u_int h;
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for (h = 0; *k; h += *k++) ;
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return h % DICTHASH;
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}
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dict *
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new_dict(void)
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{
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dict *dp = CALLOC(struct dict);
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return dp;
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}
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static void
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dict_add_data(dict_ent *de, char *v)
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{
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dict_data *dd = CALLOC(struct 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 *
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new_dict_ent(char *k)
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{
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dict_ent *de = CALLOC(struct 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 *
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dict_locate(dict *dp, 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
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dict_add(dict *dp, char *k, char *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
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dict_iter(dict *dp, int (*fn) (qelem *))
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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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