inet6: only mark autoconf addresses tentative if detached
[dragonfly.git] / games / hangman / getword.c
CommitLineData
eb9cdc7f 1/* $OpenBSD: getword.c,v 1.8 2013/08/29 20:22:14 naddy Exp $ */
2/* $NetBSD: getword.c,v 1.4 1995/03/23 08:32:45 cgd Exp $ */
3
4/*
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5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
6693db17 16 * 3. Neither the name of the University nor the names of its contributors
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17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
984263bc 33#include <stdlib.h>
eb9cdc7f 34#include "hangman.h"
35#include "pathnames.h"
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36
37/*
38 * getword:
39 * Get a valid word out of the dictionary file
40 */
41void
9a362823 42getword(void)
984263bc 43{
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44 FILE *inf;
45 char *wp, *gp;
46 long pos;
eb9cdc7f 47 int badwords, countwords;
48 size_t wordlen;
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49
50 inf = Dict;
eb9cdc7f 51 badwords = 0;
52 /* Make sure the dictionary file is valid if it's not the default */
53 countwords = strcmp(Dict_name, _PATH_DICT);
54 while (badwords < MAXBADWORDS) {
55 if (countwords)
56 badwords++;
57 pos = arc4random_uniform(Dict_size);
6693db17 58 fseek(inf, pos, SEEK_SET);
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59 if (fgets(Word, BUFSIZ, inf) == NULL)
60 continue;
61 if (fgets(Word, BUFSIZ, inf) == NULL)
62 continue;
eb9cdc7f 63 wordlen = strlen(Word);
64 if (wordlen > 0 && Word[wordlen - 1] == '\n')
65 Word[wordlen - 1] = '\0';
66 if (wordlen < MINLEN || wordlen > MAXLEN)
984263bc 67 continue;
eb9cdc7f 68 for (wp = Word; *wp; wp++)
984263bc 69 if (!islower(*wp))
eb9cdc7f 70 goto cont;
984263bc 71 break;
eb9cdc7f 72cont: ;
73 }
74 if (badwords >= MAXBADWORDS) {
75 mvcur(0, COLS - 1, LINES - 1, 0);
76 endwin();
77 errx(1, "file %s appears to be incorrectly formatted\n(Need one lower-case word per line)",
78 Dict_name);
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79 }
80 gp = Known;
81 wp = Word;
9a362823 82 while (*wp != '\0') {
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83 *gp++ = '-';
84 wp++;
85 }
86 *gp = '\0';
87}