1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.rumors.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.rumors.c,v 1.3 1999/11/16 02:57:10 billf Exp $ */
4 /* $DragonFly: src/games/hack/hack.rumors.c,v 1.2 2003/06/17 04:25:24 dillon Exp $ */
7 #include "hack.h" /* for RUMORFILE and BSD (index) */
8 #define CHARSZ 8 /* number of bits in a char */
12 int n_used_rumors = -1;
15 init_rumors(rumf) FILE *rumf; {
18 while(skipline(rumf)) n_rumors++;
21 usedbits = (char *) alloc((unsigned)(i+1));
22 for( ; i>=0; i--) usedbits[i] = 0;
25 skipline(rumf) FILE *rumf; {
28 if(!fgets(line, sizeof(line), rumf)) return(0);
29 if(index(line, '\n')) return(1);
33 outline(rumf) FILE *rumf; {
36 if(!fgets(line, sizeof(line), rumf)) return;
37 if((ep = index(line, '\n')) != 0) *ep = 0;
38 pline("This cookie has a scrap of paper inside! It reads: ");
45 if(n_rumors <= n_used_rumors ||
46 (rumf = fopen(RUMORFILE, "r")) == (FILE *) 0) return;
47 if(n_used_rumors < 0) init_rumors(rumf);
48 if(!n_rumors) goto none;
49 rn = rn2(n_rumors - n_used_rumors);
51 while(rn || used(i)) {
52 (void) skipline(rumf);
56 usedbits[i/CHARSZ] |= (1 << (i % CHARSZ));
64 return(usedbits[i/CHARSZ] & (1 << (i % CHARSZ)));