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6aafb7e048
readable. inflate is now much more general, and is there if anybody feels like making a uncompressing filesystem or something like that (hint hint !)
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $Id$
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*
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*/
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#ifndef _SYS_INFLATE_H_
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#define _SYS_INFLATE_H_
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#ifdef KERNEL
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#define GZ_EOF -1
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#define GZ_WSIZE 0x8000
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/*
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* Global variables used by inflate and friends.
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* This structure is used in order to make inflate() reentrant.
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*/
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struct inflate {
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/* Public part */
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/* This pointer is passed along to the two functions below */
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void *gz_private;
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/* Fetch next character to be uncompressed */
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int (*gz_input) (void *);
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/* Dispose of uncompressed characters */
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int (*gz_output) (void *, u_char *, u_long);
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/* Private part */
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u_long gz_bb; /* bit buffer */
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unsigned gz_bk; /* bits in bit buffer */
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unsigned gz_hufts; /* track memory usage */
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struct huft *gz_fixed_tl; /* must init to NULL !! */
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struct huft *gz_fixed_td;
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int gz_fixed_bl;
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int gz_fixed_bd;
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u_char *gz_slide;
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unsigned gz_wp;
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};
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int inflate __P((struct inflate *));
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#endif /* KERNEL */
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#endif /* ! _SYS_INFLATE_H_ */
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