State maintained between inflate() calls – approximately 7K bytes, not including the allocated sliding window, which is up to 32K bytes. More...

#include <inflate.h>

Data Fields
z_streamp	strm
	pointer back to this zlib stream

inflate_mode	mode
	current inflate mode

int	last
	true if processing last block

int	wrap
	bit 0 true for zlib, bit 1 true for gzip, bit 2 true to validate check value

int	havedict
	true if dictionary provided

int	flags
	gzip header method and flags, 0 if zlib, or -1 if raw or no header yet

unsigned	dmax
	zlib header max distance (INFLATE_STRICT)

unsigned long	check
	protected copy of check value

unsigned long	total
	protected copy of output count

gz_headerp	head
	where to save gzip header information

sliding window
unsigned	wbits
	log base 2 of requested window size

unsigned	wsize
	window size or zero if not using window

unsigned	whave
	valid bytes in the window

unsigned	wnext
	window write index

bit accumulator
unsigned long	hold
	input bit accumulator

for string and stored block copying
unsigned	length
	literal or length of data to copy

fixed and dynamic code tables
code const FAR *	lencode

code const FAR *	distcode
	{ starting table for length/literal codes

unsigned	lenbits
	{ starting table for distance codes

unsigned	distbits
	{ index bits for lencode

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

int	sane
	if false, allow invalid distance too far

int	back
	bits back of last unprocessed length/lit

Detailed Description

State maintained between inflate() calls – approximately 7K bytes, not including the allocated sliding window, which is up to 32K bytes.

The documentation for this struct was generated from the following file:

include/inflate.h

Data Fields

Detailed Description