inflate.c File Reference

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

Include dependency graph for inflate.c:

Go to the source code of this file.

Macros
#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()

Functions
static void	fixedtables ()
static int	updatewindow ()
static unsigned	syncsearch ()
int	inflateResetKeep (z_streamp strm)
int	inflateReset (z_streamp strm)
int	inflateReset2 (z_streamp strm, int windowBits)
int	inflateInit2_ (z_streamp strm, int windowBits, char *version, int stream_size)
int	inflateInit_ (z_streamp strm, char *version, int stream_size)
int	inflatePrime (z_streamp strm, int bits, int value)
static void	fixedtables (struct inflate_state *state)
static int	updatewindow (z_streamp strm, Bytef *end, unsigned copy)
int	inflate (z_streamp strm, int flush)
int	inflateEnd (z_streamp strm)
int	inflateGetDictionary (z_streamp strm, Bytef *dictionary, uInt *dictLength)
int	inflateSetDictionary (z_streamp strm, Bytef *dictionary, uInt dictLength)
int	inflateGetHeader (z_streamp strm, gz_headerp head)
static unsigned	syncsearch (unsigned *have, unsigned char *buf, unsigned len)
int	inflateSync (z_streamp strm)
int	inflateSyncPoint (z_streamp strm)
int	inflateCopy (z_streamp dest, z_streamp source)
int	inflateUndermine (z_streamp strm, int subvert)
long	inflateMark (z_streamp strm)

Macro Definition Documentation

#define BITS

(

n

)

((unsigned)hold & ((1U << (n)) - 1))

Definition at line 506 of file inflate.c.

#define BYTEBITS

(

)

Value:

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

Definition at line 517 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 441 of file inflate.c.

#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 448 of file inflate.c.

#define DROPBITS

(

n

)

Value:

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

Definition at line 510 of file inflate.c.

#define INITBITS

(

)

Value:

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

Definition at line 481 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 459 of file inflate.c.

#define NEEDBITS

(

n

)

Value:

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

Definition at line 499 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 489 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 470 of file inflate.c.

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

Definition at line 433 of file inflate.c.

Function Documentation

static void fixedtables ( )

static

static void fixedtables ( struct inflate_state *  state )

static

Definition at line 261 of file inflate.c.

int inflate	(	z_streamp	strm,
		int	flush
	)

Definition at line 605 of file inflate.c.

int inflateCopy	(	z_streamp	dest,
		z_streamp	source
	)

Definition at line 1438 of file inflate.c.

int inflateEnd

(

z_streamp

strm

)

Definition at line 1254 of file inflate.c.

int inflateGetDictionary	(	z_streamp	strm,
		Bytef *	dictionary,
		uInt *	dictLength
	)

Definition at line 1268 of file inflate.c.

int inflateGetHeader	(	z_streamp	strm,
		gz_headerp	head
	)

Definition at line 1326 of file inflate.c.

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

Definition at line 180 of file inflate.c.

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

Definition at line 222 of file inflate.c.

long inflateMark

(

z_streamp

strm

)

Definition at line 1502 of file inflate.c.

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

Definition at line 230 of file inflate.c.

int inflateReset

(

z_streamp

strm

)

Definition at line 129 of file inflate.c.

int inflateReset2	(	z_streamp	strm,
		int	windowBits
	)

Definition at line 142 of file inflate.c.

int inflateResetKeep

(

z_streamp

strm

)

Definition at line 104 of file inflate.c.

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

Definition at line 1291 of file inflate.c.

int inflateSync

(

z_streamp

strm

)

Definition at line 1377 of file inflate.c.

int inflateSyncPoint

(

z_streamp

strm

)

Definition at line 1428 of file inflate.c.

int inflateUndermine	(	z_streamp	strm,
		int	subvert
	)

Definition at line 1485 of file inflate.c.

static unsigned syncsearch ( )

static

static unsigned syncsearch ( unsigned *  have, unsigned char *  buf, unsigned  len  )

static

Definition at line 1354 of file inflate.c.

static int updatewindow ( )

static

static int updatewindow ( z_streamp  strm, Bytef *  end, unsigned  copy  )

static

Definition at line 379 of file inflate.c.