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| author | nate <nate@FreeBSD.org> | 1993-06-19 00:22:46 +0000 |
|---|---|---|
| committer | nate <nate@FreeBSD.org> | 1993-06-19 00:22:46 +0000 |
| commit | 27b6ff7b29546d2f06b4766676709c0830d69643 (patch) | |
| tree | 511b90cc97cd9ed9430ece39d5e20942cadef5fc /gnu/usr.bin/gzip/unpack.c | |
| parent | 978b670e3cdaa86f5f989043fb3c7585f7d0855d (diff) | |
| download | FreeBSD-src-27b6ff7b29546d2f06b4766676709c0830d69643.zip FreeBSD-src-27b6ff7b29546d2f06b4766676709c0830d69643.tar.gz | |
Updated gzip from 1.1 to 1.2.2
Diffstat (limited to 'gnu/usr.bin/gzip/unpack.c')
| -rw-r--r-- | gnu/usr.bin/gzip/unpack.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/gnu/usr.bin/gzip/unpack.c b/gnu/usr.bin/gzip/unpack.c index e6cf7ca..789cbc0 100644 --- a/gnu/usr.bin/gzip/unpack.c +++ b/gnu/usr.bin/gzip/unpack.c @@ -5,11 +5,9 @@ */ #ifndef lint -static char rcsid[] = "$Id: unpack.c,v 1.3 1993/05/28 17:56:07 jloup Exp $"; +static char rcsid[] = "$Id: unpack.c,v 1.4 1993/06/11 19:25:36 jloup Exp $"; #endif -#include <stdio.h> - #include "tailor.h" #include "gzip.h" #include "crypt.h" @@ -26,11 +24,7 @@ static char rcsid[] = "$Id: unpack.c,v 1.3 1993/05/28 17:56:07 jloup Exp $"; #define LITERALS 256 /* Number of literals, excluding the End of Block (EOB) code */ -#ifdef SMALL_MEM -# define MAX_PEEK 10 -#else -# define MAX_PEEK 12 -#endif +#define MAX_PEEK 12 /* Maximum number of 'peek' bits used to optimize traversal of the * Huffman tree. */ @@ -54,7 +48,8 @@ local int parents[MAX_BITLEN+1]; /* Number of parents for each bit length */ local int peek_bits; /* Number of peek bits currently used */ -local uch prefix_len[1 << MAX_PEEK]; +/* local uch prefix_len[1 << MAX_PEEK]; */ +#define prefix_len outbuf /* For each bit pattern b of peek_bits bits, prefix_len[b] is the length * of the Huffman code starting with a prefix of b (upper bits), or 0 * if all codes of prefix b have more than peek_bits bits. It is not @@ -62,6 +57,9 @@ local uch prefix_len[1 << MAX_PEEK]; * codes encountered in the input stream are short codes (by construction). * So for most codes a single lookup will be necessary. */ +#if 1<<MAX_PEEK > OUTBUFSIZ + error cannot overlay prefix_len and outbuf +#endif local ulg bitbuf; /* Bits are added on the low part of bitbuf and read from the high part. */ |
