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 1.3 2006/08/21 19:45:32 pavalos Exp $ */
6 #include "hack.h" /* for RUMORFILE and BSD (index) */
7 #define CHARSZ 8 /* number of bits in a char */
9 int n_used_rumors = -1;
12 static void init_rumors(FILE *);
13 static bool skipline(FILE *);
14 static void outline(FILE *);
15 static bool used(int);
18 init_rumors(FILE *rumf)
22 while(skipline(rumf)) n_rumors++;
25 usedbits = (char *) alloc((unsigned)(i+1));
26 for( ; i>=0; i--) usedbits[i] = 0;
34 if(!fgets(line, sizeof(line), rumf)) return(0);
35 if(index(line, '\n')) return(1);
44 if(!fgets(line, sizeof(line), rumf)) return;
45 if((ep = index(line, '\n')) != 0) *ep = 0;
46 pline("This cookie has a scrap of paper inside! It reads: ");
55 if(n_rumors <= n_used_rumors ||
56 (rumf = fopen(RUMORFILE, "r")) == (FILE *) 0) return;
57 if(n_used_rumors < 0) init_rumors(rumf);
58 if(!n_rumors) goto none;
59 rn = rn2(n_rumors - n_used_rumors);
61 while(rn || used(i)) {
66 usedbits[i/CHARSZ] |= (1 << (i % CHARSZ));
76 return(usedbits[i/CHARSZ] & (1 << (i % CHARSZ)));