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Contents
/* inflate9.h -- internal inflate state definition
* Copyright (C) 1995-2003 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* Possible inflate modes between inflate() calls */
typedef enum {
TYPE, /* i: waiting for type bits, including last-flag bit */
STORED, /* i: waiting for stored size (length and complement) */
TABLE, /* i: waiting for dynamic block table lengths */
LEN, /* i: waiting for length/lit code */
DONE, /* finished check, done -- remain here until reset */
BAD /* got a data error -- remain here until reset */
} inflate_mode;
/*
State transitions between above modes -
(most modes can go to the BAD mode -- not shown for clarity)
Read deflate blocks:
TYPE -> STORED or TABLE or LEN or DONE
STORED -> TYPE
TABLE -> LENLENS -> CODELENS -> LEN
Read deflate codes:
LEN -> LEN or TYPE
*/
/* state maintained between inflate() calls. Approximately 7K bytes. */
struct inflate_state {
/* sliding window */
unsigned char FAR *window; /* allocated sliding window, if needed */
/* dynamic table building */
unsigned ncode; /* number of code length code lengths */
unsigned nlen; /* number of length code lengths */
unsigned ndist; /* number of distance code lengths */
unsigned have; /* number of code lengths in lens[] */
code FAR *next; /* next available space in codes[] */
unsigned short lens[320]; /* temporary storage for code lengths */
unsigned short work[288]; /* work area for code table building */
code codes[ENOUGH]; /* space for code tables */
};
Version data entries
16 entries across 16 versions & 4 rubygems