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/* $OpenBSD: getword.c,v 1.6 2006/10/24 17:20:41 moritz Exp $ */
/* $NetBSD: getword.c,v 1.4 1995/03/23 08:32:45 cgd Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)getword.c 8.1 (Berkeley) 5/31/93";
#else
static char rcsid[] = "$OpenBSD: getword.c,v 1.6 2006/10/24 17:20:41 moritz Exp $";
#endif
#endif /* not lint */
#include <stdlib.h>
#include "hangman.h"
#include "pathnames.h"
/*
* getword:
* Get a valid word out of the dictionary file
*/
void
getword(void)
{
FILE *inf;
char *wp, *gp;
long pos;
int badwords, countwords;
size_t wordlen;
inf = Dict;
badwords = 0;
/* Make sure the dictionary file is valid if it's not the default */
countwords = strcmp(Dict_name, _PATH_DICT);
while (badwords < MAXBADWORDS) {
if (countwords)
badwords++;
pos = (double) random() / (RAND_MAX + 1.0) * (double) Dict_size;
fseek(inf, pos, SEEK_SET);
if (fgets(Word, BUFSIZ, inf) == NULL)
continue;
if (fgets(Word, BUFSIZ, inf) == NULL)
continue;
wordlen = strlen(Word);
if (wordlen > 0 && Word[wordlen - 1] == '\n')
Word[wordlen - 1] = '\0';
if (wordlen < MINLEN || wordlen > MAXLEN)
continue;
for (wp = Word; *wp; wp++)
if (!islower(*wp))
goto cont;
break;
cont: ;
}
if (badwords >= MAXBADWORDS) {
mvcur(0, COLS - 1, LINES - 1, 0);
endwin();
errx(1, "file %s appears to be incorrectly formatted\n(Need one lower-case word per line)",
Dict_name);
}
gp = Known;
wp = Word;
while (*wp) {
*gp++ = '-';
wp++;
}
*gp = '\0';
}
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