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bsdgames/boggle/mkdict/mkdict.c
2012-02-25 18:04:33 +01:00

129 lines
3.7 KiB
C

/* $NetBSD: mkdict.c,v 1.9 2003/08/07 09:37:06 agc Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Barry Brachman.
*
* 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
static const char copyright[] __attribute__((__unused__)) =
"@(#) Copyright (c) 1993\n\
The Regents of the University of California. All rights reserved.\n";
#if 0
static char sccsid[] = "@(#)mkdict.c 8.1 (Berkeley) 6/11/93";
#else
static const char rcsid[] __attribute__((__unused__)) =
"$NetBSD: mkdict.c,v 1.9 2003/08/07 09:37:06 agc Exp $";
#endif
#endif /* not lint */
/*
* Filter out words that:
* 1) Are not completely made up of lower case letters
* 2) Contain a 'q' not immediately followed by a 'u'
* 3) Are less that 3 characters long
* 4) Are greater than MAXWORDLEN characters long
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bog.h"
int main(int, char *[]);
int
main(argc, argv)
int argc;
char *argv[];
{
char *p, *q;
int ch, common, nwords;
int current, len, prev, qcount;
char buf[2][MAXWORDLEN + 1];
prev = 0;
current = 1;
buf[prev][0] = '\0';
for (nwords = 1;
fgets(buf[current], MAXWORDLEN + 1, stdin) != NULL; ++nwords) {
if ((p = strchr(buf[current], '\n')) == NULL) {
fprintf(stderr, "word too long: %s\n", buf[current]);
while ((ch = getc(stdin)) != EOF && ch != '\n')
;
if (ch == EOF)
break;
continue;
}
len = 0;
for (p = buf[current]; *p != '\n'; p++) {
if (!islower(*p))
break;
if (*p == 'q') {
q = p + 1;
if (*q != 'u')
break;
else {
while ((*q = *(q + 1)))
q++;
}
len++;
}
len++;
}
if (*p != '\n' || len < 3 || len > MAXWORDLEN)
continue;
if (argc == 2 && nwords % atoi(argv[1]))
continue;
*p = '\0';
p = buf[current];
q = buf[prev];
qcount = 0;
while ((ch = *p++) == *q++ && ch != '\0')
if (ch == 'q')
qcount++;
common = p - buf[current] - 1;
printf("%c%s", common + qcount, p - 1);
prev = !prev;
current = !current;
}
fprintf(stderr, "%d words\n", nwords);
fflush(stdout);
if (ferror(stdout)) {
perror("error writing standard output");
exit(1);
}
exit(0);
}