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author | cgd <cgd@NetBSD.org> | 1993-03-21 09:45:37 +0000 |
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committer | cgd <cgd@NetBSD.org> | 1993-03-21 09:45:37 +0000 |
commit | 77e3814f0c0e3dea4d0032e25666f77e6f83bfff (patch) | |
tree | 7eddfcbf3dd12089e71dc3fafb0a106c5c5766c7 /hack/hack.rumors.c | |
parent | e81d63576b2e46ab90da7d75fa155ea57ee4d32e (diff) | |
download | bsdgames-darwin-77e3814f0c0e3dea4d0032e25666f77e6f83bfff.tar.gz bsdgames-darwin-77e3814f0c0e3dea4d0032e25666f77e6f83bfff.tar.zst bsdgames-darwin-77e3814f0c0e3dea4d0032e25666f77e6f83bfff.zip |
initial import of 386bsd-0.1 sources
Diffstat (limited to 'hack/hack.rumors.c')
-rw-r--r-- | hack/hack.rumors.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/hack/hack.rumors.c b/hack/hack.rumors.c new file mode 100644 index 00000000..ee5f1399 --- /dev/null +++ b/hack/hack.rumors.c @@ -0,0 +1,63 @@ +/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ +/* hack.rumors.c - version 1.0.3 */ + +#include <stdio.h> +#include "hack.h" /* for RUMORFILE and BSD (index) */ +#define CHARSZ 8 /* number of bits in a char */ +extern long *alloc(); +extern char *index(); +int n_rumors = 0; +int n_used_rumors = -1; +char *usedbits; + +init_rumors(rumf) register FILE *rumf; { +register int i; + n_used_rumors = 0; + while(skipline(rumf)) n_rumors++; + rewind(rumf); + i = n_rumors/CHARSZ; + usedbits = (char *) alloc((unsigned)(i+1)); + for( ; i>=0; i--) usedbits[i] = 0; +} + +skipline(rumf) register FILE *rumf; { +char line[COLNO]; + while(1) { + if(!fgets(line, sizeof(line), rumf)) return(0); + if(index(line, '\n')) return(1); + } +} + +outline(rumf) register FILE *rumf; { +char line[COLNO]; +register char *ep; + if(!fgets(line, sizeof(line), rumf)) return; + if((ep = index(line, '\n')) != 0) *ep = 0; + pline("This cookie has a scrap of paper inside! It reads: "); + pline(line); +} + +outrumor(){ +register int rn,i; +register FILE *rumf; + if(n_rumors <= n_used_rumors || + (rumf = fopen(RUMORFILE, "r")) == (FILE *) 0) return; + if(n_used_rumors < 0) init_rumors(rumf); + if(!n_rumors) goto none; + rn = rn2(n_rumors - n_used_rumors); + i = 0; + while(rn || used(i)) { + (void) skipline(rumf); + if(!used(i)) rn--; + i++; + } + usedbits[i/CHARSZ] |= (1 << (i % CHARSZ)); + n_used_rumors++; + outline(rumf); +none: + (void) fclose(rumf); +} + +used(i) register int i; { + return(usedbits[i/CHARSZ] & (1 << (i % CHARSZ))); +} |