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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)getword.c 8.1 (Berkeley) 5/31/93 34 * $FreeBSD: src/games/hangman/getword.c,v 1.6 1999/12/10 03:22:59 billf Exp $ 35 * $DragonFly: src/games/hangman/getword.c,v 1.3 2005/02/13 18:57:30 cpressey Exp $ 36 */ 37 38 #include "hangman.h" 39 #include <stdlib.h> 40 41 /* 42 * getword: 43 * Get a valid word out of the dictionary file 44 */ 45 void 46 getword(void) 47 { 48 FILE *inf; 49 char *wp, *gp; 50 long pos; 51 52 inf = Dict; 53 for (;;) { 54 pos = (double)random() / (RAND_MAX + 1.0) * (double)Dict_size; 55 fseek(inf, pos, 0); 56 if (fgets(Word, BUFSIZ, inf) == NULL) 57 continue; 58 if (fgets(Word, BUFSIZ, inf) == NULL) 59 continue; 60 Word[strlen(Word) - 1] = '\0'; 61 if (strlen(Word) < MINLEN) 62 continue; 63 for (wp = Word; *wp != '\0'; wp++) { 64 if (!islower(*wp)) 65 continue; 66 } 67 break; 68 } 69 gp = Known; 70 wp = Word; 71 while (*wp != '\0') { 72 *gp++ = '-'; 73 wp++; 74 } 75 *gp = '\0'; 76 } 77