patch-2.1.79 linux/arch/ppc/boot/lzw.h
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- Lines: 43
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.1.78/linux/arch/ppc/boot/lzw.h
- Orig date:
Wed Dec 18 00:49:52 1996
diff -u --recursive --new-file v2.1.78/linux/arch/ppc/boot/lzw.h linux/arch/ppc/boot/lzw.h
@@ -1,42 +0,0 @@
-/* lzw.h -- define the lzw functions.
- * Copyright (C) 1992-1993 Jean-loup Gailly.
- * This is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License, see the file COPYING.
- */
-
-#if !defined(OF) && defined(lint)
-# include "gzip.h"
-#endif
-
-#ifndef BITS
-# define BITS 16
-#endif
-#define INIT_BITS 9 /* Initial number of bits per code */
-
-#define LZW_MAGIC "\037\235" /* Magic header for lzw files, 1F 9D */
-
-#define BIT_MASK 0x1f /* Mask for 'number of compression bits' */
-/* Mask 0x20 is reserved to mean a fourth header byte, and 0x40 is free.
- * It's a pity that old uncompress does not check bit 0x20. That makes
- * extension of the format actually undesirable because old compress
- * would just crash on the new format instead of giving a meaningful
- * error message. It does check the number of bits, but it's more
- * helpful to say "unsupported format, get a new version" than
- * "can only handle 16 bits".
- */
-
-#define BLOCK_MODE 0x80
-/* Block compression: if table is full and compression rate is dropping,
- * clear the dictionary.
- */
-
-#define LZW_RESERVED 0x60 /* reserved bits */
-
-#define CLEAR 256 /* flush the dictionary */
-#define FIRST (CLEAR+1) /* first free entry */
-
-extern int maxbits; /* max bits per code for LZW */
-extern int block_mode; /* block compress mode -C compatible with 2.0 */
-
-extern void lzw OF((int in, int out));
-extern void unlzw OF((int in, int out));
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