Remove some more unused headers.
[dragonfly.git] / games / battlestar / parse.c
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6693db17 1/*-
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2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
6693db17 13 * 3. Neither the name of the University nor the names of its contributors
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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
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28 *
29 * @(#)parse.c 8.1 (Berkeley) 5/31/93
30 * $FreeBSD: src/games/battlestar/parse.c,v 1.5.2.1 2001/03/05 11:45:36 kris Exp $
5c7cac79 31 * $DragonFly: src/games/battlestar/parse.c,v 1.4 2006/08/08 16:47:20 pavalos Exp $
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32 */
33
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34#include "externs.h"
35
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36static int hash(const char *);
37static void install(struct wlist *);
38static struct wlist *lookup(const char *);
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39
40void
5c7cac79 41wordinit(void)
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42{
43 struct wlist *w;
44
45 for (w = wlist; w->string; w++)
46 install(w);
47}
48
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49static int
50hash(const char *s)
984263bc 51{
6693db17 52 int hashval;
984263bc 53
6693db17 54 hashval = 0;
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55 while (*s) {
56 hashval += *s++;
57 hashval *= HASHMUL;
58 hashval &= HASHMASK;
59 }
60 return hashval;
61}
62
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63static struct wlist *
64lookup(const char *s)
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65{
66 struct wlist *wp;
67
68 for (wp = hashtab[hash(s)]; wp != NULL; wp = wp->next)
69 if (*s == *wp->string && strcmp(s, wp->string) == 0)
70 return wp;
71 return NULL;
72}
73
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74static void
75install(struct wlist *wp)
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76{
77 int hashval;
78
79 if (lookup(wp->string) == NULL) {
80 hashval = hash(wp->string);
81 wp->next = hashtab[hashval];
82 hashtab[hashval] = wp;
83 } else
84 printf("Multiply defined %s.\n", wp->string);
85}
86
87void
5c7cac79 88parse(void)
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89{
90 struct wlist *wp;
91 int n;
92
6693db17 93 wordnumber = 0; /* for cypher */
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94 for (n = 0; n <= wordcount; n++) {
95 if ((wp = lookup(words[n])) == NULL) {
96 wordvalue[n] = -1;
97 wordtype[n] = -1;
98 } else {
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99 wordvalue[n] = wp->value;
100 wordtype[n] = wp->article;
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101 }
102 }
103}