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- /*
- * Copyright (c) 1983 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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 char sccsid[] = "@(#)getword.c 5.3 (Berkeley) 6/1/90";
- #endif /* not lint */
-
- # include "hangman.h"
-
- # if pdp11
- # define RN (((off_t) rand() << 16) | (off_t) rand())
- # else
- # define RN rand()
- # endif
-
- /*
- * getword:
- * Get a valid word out of the dictionary file
- */
- getword()
- {
- register FILE *inf;
- register char *wp, *gp;
-
- inf = Dict;
- for (;;) {
- fseek(inf, abs(RN % Dict_size), 0);
- if (fgets(Word, BUFSIZ, inf) == NULL)
- continue;
- if (fgets(Word, BUFSIZ, inf) == NULL)
- continue;
- Word[strlen(Word) - 1] = '\0';
- if (strlen(Word) < MINLEN)
- continue;
- for (wp = Word; *wp; wp++)
- if (!islower(*wp))
- goto cont;
- break;
- cont: ;
- }
- gp = Known;
- wp = Word;
- while (*wp) {
- *gp++ = '-';
- wp++;
- }
- *gp = '\0';
- }
-
- /*
- * abs:
- * Return the absolute value of an integer
- */
- off_t
- abs(i)
- off_t i;
- {
- if (i < 0)
- return -(off_t) i;
- else
- return (off_t) i;
- }
-