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554eb505f8
of the x11 based games. I'm not going to tag the originals with bsd_44_lite and do this in two stages since it's just not worth it for this collection, and I've got directory renames to deal with that way. Bleah. Submitted by: jkh
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
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/* hack.rumors.c - version 1.0.3 */
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#include <stdio.h>
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#include "hack.h" /* for RUMORFILE and BSD (index) */
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#define CHARSZ 8 /* number of bits in a char */
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extern long *alloc();
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extern char *index();
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int n_rumors = 0;
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int n_used_rumors = -1;
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char *usedbits;
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init_rumors(rumf) register FILE *rumf; {
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register int i;
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n_used_rumors = 0;
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while(skipline(rumf)) n_rumors++;
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rewind(rumf);
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i = n_rumors/CHARSZ;
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usedbits = (char *) alloc((unsigned)(i+1));
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for( ; i>=0; i--) usedbits[i] = 0;
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}
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skipline(rumf) register FILE *rumf; {
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char line[COLNO];
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while(1) {
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if(!fgets(line, sizeof(line), rumf)) return(0);
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if(index(line, '\n')) return(1);
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}
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}
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outline(rumf) register FILE *rumf; {
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char line[COLNO];
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register char *ep;
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if(!fgets(line, sizeof(line), rumf)) return;
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if((ep = index(line, '\n')) != 0) *ep = 0;
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pline("This cookie has a scrap of paper inside! It reads: ");
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pline(line);
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}
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outrumor(){
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register int rn,i;
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register FILE *rumf;
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if(n_rumors <= n_used_rumors ||
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(rumf = fopen(RUMORFILE, "r")) == (FILE *) 0) return;
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if(n_used_rumors < 0) init_rumors(rumf);
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if(!n_rumors) goto none;
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rn = rn2(n_rumors - n_used_rumors);
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i = 0;
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while(rn || used(i)) {
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(void) skipline(rumf);
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if(!used(i)) rn--;
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i++;
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}
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usedbits[i/CHARSZ] |= (1 << (i % CHARSZ));
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n_used_rumors++;
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outline(rumf);
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none:
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(void) fclose(rumf);
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}
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used(i) register int i; {
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return(usedbits[i/CHARSZ] & (1 << (i % CHARSZ)));
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}
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