1 /* $NetBSD: getword.c,v 1.4 1995/03/23 08:32:45 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)getword.c 8.1 (Berkeley) 5/31/93"; 39 #else 40 static char rcsid[] = "$NetBSD: getword.c,v 1.4 1995/03/23 08:32:45 cgd Exp $"; 41 #endif 42 #endif /* not lint */ 43 44 #include "hangman.h" 45 #include <stdlib.h> 46 47 /* 48 * getword: 49 * Get a valid word out of the dictionary file 50 */ 51 getword() 52 { 53 register FILE *inf; 54 register char *wp, *gp; 55 register long pos; 56 57 inf = Dict; 58 for (;;) { 59 pos = (double)rand() / (RAND_MAX + 1.0) * (double)Dict_size; 60 fseek(inf, pos, 0); 61 if (fgets(Word, BUFSIZ, inf) == NULL) 62 continue; 63 if (fgets(Word, BUFSIZ, inf) == NULL) 64 continue; 65 Word[strlen(Word) - 1] = '\0'; 66 if (strlen(Word) < MINLEN) 67 continue; 68 for (wp = Word; *wp; wp++) 69 if (!islower(*wp)) 70 goto cont; 71 break; 72 cont: ; 73 } 74 gp = Known; 75 wp = Word; 76 while (*wp) { 77 *gp++ = '-'; 78 wp++; 79 } 80 *gp = '\0'; 81 } 82