1 /*- 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. 13 * 3. Neither the name of the University nor the names of its contributors 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. 28 * 29 * @(#)getword.c 8.1 (Berkeley) 5/31/93 30 * $FreeBSD: src/games/hangman/getword.c,v 1.6 1999/12/10 03:22:59 billf Exp $ 31 * $DragonFly: src/games/hangman/getword.c,v 1.3 2005/02/13 18:57:30 cpressey Exp $ 32 */ 33 34 #include "hangman.h" 35 #include <stdlib.h> 36 37 /* 38 * getword: 39 * Get a valid word out of the dictionary file 40 */ 41 void 42 getword(void) 43 { 44 FILE *inf; 45 char *wp, *gp; 46 long pos; 47 48 inf = Dict; 49 for (;;) { 50 pos = (double)random() / (RAND_MAX + 1.0) * (double)Dict_size; 51 fseek(inf, pos, SEEK_SET); 52 if (fgets(Word, BUFSIZ, inf) == NULL) 53 continue; 54 if (fgets(Word, BUFSIZ, inf) == NULL) 55 continue; 56 Word[strlen(Word) - 1] = '\0'; 57 if (strlen(Word) < MINLEN) 58 continue; 59 for (wp = Word; *wp != '\0'; wp++) { 60 if (!islower(*wp)) 61 continue; 62 } 63 break; 64 } 65 gp = Known; 66 wp = Word; 67 while (*wp != '\0') { 68 *gp++ = '-'; 69 wp++; 70 } 71 *gp = '\0'; 72 } 73