D:/opendownloadmanager/ODM-1.x/Bittorrent/libtorrent-0.12/zlib/inflate.c File Reference

#include "zutil.h"
#include "inftrees.h"
#include "inflate.h"
#include "inffast.h"
#include "inffixed.h"

Go to the source code of this file.

Defines

#define UPDATE(check, buf, len) (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))

#define CRC2(check, word)

#define CRC4(check, word)

#define LOAD()

#define RESTORE()

#define INITBITS()

#define PULLBYTE()

#define NEEDBITS(n)

#define BITS(n) ((unsigned)hold & ((1U << (n)) - 1))

#define DROPBITS(n)

#define BYTEBITS()

#define REVERSE(q)

Functions

local void fixedtables OF ((struct inflate_state FAR *state))

local int updatewindow OF ((z_streamp strm, unsigned out))

local unsigned syncsearch OF ((unsigned FAR *have, unsigned char FAR *buf, unsigned len))

int ZEXPORT inflateReset (z_streamp strm)

int ZEXPORT inflatePrime (z_streamp strm, int bits, int value)

int ZEXPORT inflateInit2_ (z_streamp strm, int windowBits, const char *version, int stream_size)

int ZEXPORT inflateInit_ (z_streamp strm, const char *version, int stream_size)

local void fixedtables (struct inflate_state FAR *state)

local int updatewindow (z_streamp strm, unsigned out)

int ZEXPORT inflate (z_streamp strm, int flush)

int ZEXPORT inflateEnd (z_streamp strm)

int ZEXPORT inflateSetDictionary (z_streamp strm, const Bytef *dictionary, uInt dictLength)

int ZEXPORT inflateGetHeader (z_streamp strm, gz_headerp head)

local unsigned syncsearch (unsigned FAR *have, unsigned char FAR *buf, unsigned len)

int ZEXPORT inflateSync (z_streamp strm)

int ZEXPORT inflateSyncPoint (z_streamp strm)

int ZEXPORT inflateCopy (z_streamp dest, z_streamp source)

Define Documentation

#define BITS ( n ) ((unsigned)hold & ((1U << (n)) - 1))

Definition at line 450 of file inflate.c.

#define BYTEBITS ( )

Value:

do { \
        hold >>= bits & 7; \
        bits -= bits & 7; \
    } while (0)

Definition at line 461 of file inflate.c.

#define CRC2	(	check,
		word		)

Value:

do { \
        hbuf[0] = (unsigned char)(word); \
        hbuf[1] = (unsigned char)((word) >> 8); \
        check = crc32(check, hbuf, 2); \
    } while (0)

Definition at line 385 of file inflate.c.

Referenced by inflate().

#define CRC4	(	check,
		word		)

Value:

do { \
        hbuf[0] = (unsigned char)(word); \
        hbuf[1] = (unsigned char)((word) >> 8); \
        hbuf[2] = (unsigned char)((word) >> 16); \
        hbuf[3] = (unsigned char)((word) >> 24); \
        check = crc32(check, hbuf, 4); \
    } while (0)

Definition at line 392 of file inflate.c.

Referenced by inflate().

#define DROPBITS ( n )

Value:

do { \
        hold >>= (n); \
        bits -= (unsigned)(n); \
    } while (0)

Definition at line 454 of file inflate.c.

#define INITBITS ( )

Value:

do { \
        hold = 0; \
        bits = 0; \
    } while (0)

Definition at line 425 of file inflate.c.

#define LOAD ( )

Value:

do { \
        put = strm->next_out; \
        left = strm->avail_out; \
        next = strm->next_in; \
        have = strm->avail_in; \
        hold = state->hold; \
        bits = state->bits; \
    } while (0)

Definition at line 403 of file inflate.c.

#define NEEDBITS ( n )

Value:

do { \
        while (bits < (unsigned)(n)) \
            PULLBYTE(); \
    } while (0)

Definition at line 443 of file inflate.c.

#define PULLBYTE ( )

Value:

do { \
        if (have == 0) goto inf_leave; \
        have--; \
        hold += (unsigned long)(*next++) << bits; \
        bits += 8; \
    } while (0)

Definition at line 433 of file inflate.c.

#define RESTORE ( )

Value:

do { \
        strm->next_out = put; \
        strm->avail_out = left; \
        strm->next_in = next; \
        strm->avail_in = have; \
        state->hold = hold; \
        state->bits = bits; \
    } while (0)

Definition at line 414 of file inflate.c.

#define REVERSE ( q )

Value:

((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
     (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))

Definition at line 468 of file inflate.c.

Referenced by inflate().

#define UPDATE	(	check,
		buf,
		len	)	(state->flags ? crc32(check, buf, len) : adler32(check, buf, len))

Definition at line 377 of file inflate.c.

Referenced by inflate().

Function Documentation

local void fixedtables ( struct inflate_state FAR * state )

Definition at line 205 of file inflate.c.

References bits, distfix, DISTS, inflate_table(), lenfix, and LENS.

int ZEXPORT inflate	(	z_streamp	strm,
		int	flush
	)

Definition at line 554 of file inflate.c.

References adler32(), BAD, inflate_state::bits, code::bits, BITS, bits, BYTEBITS, CHECK, inflate_state::check, CODELENS, CODES, inflate_state::codes, COMMENT, COPY, CRC2, crc32(), CRC4, DICT, DICTID, DIST, inflate_state::distbits, inflate_state::distcode, DISTEXT, DISTS, inflate_state::dmax, DONE, DROPBITS, EXLEN, inflate_state::extra, EXTRA, fixedtables(), inflate_state::flags, FLAGS, GUNZIP, inflate_state::have, inflate_state::havedict, HCRC, inflate_state::head, HEAD, inflate_state::hold, if(), inflate_fast(), inflate_table(), INITBITS, inflate_state::last, LEN, inflate_state::lenbits, inflate_state::lencode, LENEXT, LENGTH, inflate_state::length, LENLENS, LENS, inflate_state::lens, LIT, LOAD, MATCH, MEM, inflate_state::mode, NAME, inflate_state::ncode, inflate_state::ndist, NEEDBITS, inflate_state::next, inflate_state::nlen, inflate_state::offset, code::op, OS, PULLBYTE, RESTORE, REVERSE, state(), STORED, SYNC, TABLE, TIME, inflate_state::total, Tracev, Tracevv, TYPE, TYPEDO, UPDATE, updatewindow(), code::val, inflate_state::wbits, inflate_state::whave, inflate_state::window, inflate_state::work, inflate_state::wrap, inflate_state::write, inflate_state::wsize, Z_BLOCK, Z_BUF_ERROR, Z_DATA_ERROR, Z_DEFLATED, Z_FINISH, Z_MEM_ERROR, Z_NEED_DICT, Z_NULL, Z_OK, Z_STREAM_END, Z_STREAM_ERROR, and zmemcpy().

Referenced by gzread(), libtorrent::inflate_gzip(), and uncompress().

int ZEXPORT inflateCopy	(	z_streamp	dest,
		z_streamp	source
	)

Definition at line 1323 of file inflate.c.

References inflate_state::codes, inflate_state::distcode, ENOUGH, inflate_state::lencode, inflate_state::next, state(), inflate_state::wbits, inflate_state::window, inflate_state::wsize, Z_MEM_ERROR, Z_NULL, Z_OK, Z_STREAM_ERROR, ZALLOC, ZFREE, and zmemcpy().

int ZEXPORT inflateEnd ( z_streamp strm )

Definition at line 1155 of file inflate.c.

References if(), state(), Tracev, inflate_state::window, Z_NULL, Z_OK, Z_STREAM_ERROR, and ZFREE.

Referenced by destroy(), libtorrent::inflate_gzip(), and uncompress().

int ZEXPORT inflateGetHeader	(	z_streamp	strm,
		gz_headerp	head
	)

Definition at line 1211 of file inflate.c.

References inflate_state::head, if(), state(), inflate_state::wrap, Z_NULL, Z_OK, and Z_STREAM_ERROR.

int ZEXPORT inflateInit2_	(	z_streamp	strm,
		int	windowBits,
		const char *	version,
		int	stream_size
	)

Definition at line 144 of file inflate.c.

References inflateReset(), state(), Tracev, inflate_state::wbits, inflate_state::window, inflate_state::wrap, Z_MEM_ERROR, Z_NULL, Z_STREAM_ERROR, Z_VERSION_ERROR, ZALLOC, zcalloc(), zcfree(), ZFREE, and ZLIB_VERSION.

Referenced by inflateInit_().

int ZEXPORT inflateInit_	(	z_streamp	strm,
		const char *	version,
		int	stream_size
	)

Definition at line 187 of file inflate.c.

References DEF_WBITS, and inflateInit2_().

int ZEXPORT inflatePrime	(	z_streamp	strm,
		int	bits,
		int	value
	)

Definition at line 128 of file inflate.c.

References inflate_state::bits, inflate_state::hold, if(), state(), Z_NULL, Z_OK, and Z_STREAM_ERROR.

int ZEXPORT inflateReset ( z_streamp strm )

Definition at line 103 of file inflate.c.

References inflate_state::bits, inflate_state::codes, inflate_state::distcode, inflate_state::dmax, inflate_state::havedict, inflate_state::head, HEAD, inflate_state::hold, inflate_state::last, inflate_state::lencode, inflate_state::mode, inflate_state::next, state(), inflate_state::total, Tracev, inflate_state::whave, inflate_state::write, inflate_state::wsize, Z_NULL, Z_OK, and Z_STREAM_ERROR.

Referenced by gzread(), gzrewind(), inflateInit2_(), and inflateSync().

int ZEXPORT inflateSetDictionary	(	z_streamp	strm,
		const Bytef *	dictionary,
		uInt	dictLength
	)

Definition at line 1169 of file inflate.c.

References adler32(), inflate_state::check, DICT, inflate_state::havedict, if(), MEM, inflate_state::mode, state(), Tracev, updatewindow(), inflate_state::whave, inflate_state::window, inflate_state::wrap, inflate_state::wsize, Z_DATA_ERROR, Z_MEM_ERROR, Z_NULL, Z_OK, Z_STREAM_ERROR, and zmemcpy().

int ZEXPORT inflateSync ( z_streamp strm )

Definition at line 1262 of file inflate.c.

References inflate_state::bits, inflate_state::have, inflate_state::hold, if(), inflateReset(), inflate_state::mode, state(), SYNC, syncsearch(), TYPE, Z_BUF_ERROR, Z_DATA_ERROR, Z_NULL, Z_OK, and Z_STREAM_ERROR.

int ZEXPORT inflateSyncPoint ( z_streamp strm )

Definition at line 1313 of file inflate.c.

References inflate_state::bits, inflate_state::mode, state(), STORED, Z_NULL, and Z_STREAM_ERROR.

local unsigned syncsearch OF ( (unsigned FAR *have, unsigned char FAR *buf, unsigned len) )

local int updatewindow OF ( (z_streamp strm, unsigned out) )

local void fixedtables OF ( (struct inflate_state FAR *state) )

local unsigned syncsearch	(	unsigned FAR *	have,
		unsigned char FAR *	buf,
		unsigned	len
	)

Definition at line 1239 of file inflate.c.

References inflate_state::next.

Referenced by inflateSync().

local int updatewindow	(	z_streamp	strm,
		unsigned	out
	)

Definition at line 323 of file inflate.c.

References if(), state(), inflate_state::wbits, inflate_state::whave, inflate_state::window, inflate_state::write, inflate_state::wsize, Z_NULL, ZALLOC, and zmemcpy().

Referenced by inflate(), and inflateSetDictionary().


Defines
#define	UPDATE(check, buf, len) (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
#define	CRC2(check, word)
#define	CRC4(check, word)
#define	LOAD()
#define	RESTORE()
#define	INITBITS()
#define	PULLBYTE()
#define	NEEDBITS(n)
#define	BITS(n) ((unsigned)hold & ((1U << (n)) - 1))
#define	DROPBITS(n)
#define	BYTEBITS()
#define	REVERSE(q)
Functions
local void fixedtables	OF ((struct inflate_state FAR *state))
local int updatewindow	OF ((z_streamp strm, unsigned out))
local unsigned syncsearch	OF ((unsigned FAR have, unsigned char FAR buf, unsigned len))
int ZEXPORT	inflateReset (z_streamp strm)
int ZEXPORT	inflatePrime (z_streamp strm, int bits, int value)
int ZEXPORT	inflateInit2_ (z_streamp strm, int windowBits, const char *version, int stream_size)
int ZEXPORT	inflateInit_ (z_streamp strm, const char *version, int stream_size)
local void	fixedtables (struct inflate_state FAR *state)
local int	updatewindow (z_streamp strm, unsigned out)
int ZEXPORT	inflate (z_streamp strm, int flush)
int ZEXPORT	inflateEnd (z_streamp strm)
int ZEXPORT	inflateSetDictionary (z_streamp strm, const Bytef *dictionary, uInt dictLength)
int ZEXPORT	inflateGetHeader (z_streamp strm, gz_headerp head)
local unsigned	syncsearch (unsigned FAR have, unsigned char FAR buf, unsigned len)
int ZEXPORT	inflateSync (z_streamp strm)
int ZEXPORT	inflateSyncPoint (z_streamp strm)
int ZEXPORT	inflateCopy (z_streamp dest, z_streamp source)