inftrees.c File Reference

#include "zutil.h"
#include "inftrees.h"

Go to the source code of this file.

Macros
#define	BUILDFIXED   /* non ANSI compilers may not accept inffixed.h */
#define	exop   word.what.Exop
#define	bits   word.what.Bits
#define	BMAX   15 /* maximum bit length of any code */
#define	C0   *p++ = 0;
#define	C2   C0 C0 C0 C0
#define	C4   C2 C2 C2 C2
#define	FIXEDH   544 /* number of hufts used by fixed tables */

Functions
local int huft_build	OF ((uIntf *, uInt, uInt, const uIntf *, const uIntf *, inflate_huft *FAR *, uIntf *, inflate_huft *, uInt *, uIntf *))
local int	huft_build (uIntf *b, uInt n, uInt s, const uIntf *d, const uIntf *e, inflate_huft *FAR *t, uIntf *m, inflate_huft *hp, uInt *hn, uIntf *v)
local int	inflate_trees_bits (uIntf *c, uIntf *bb, inflate_huft *FAR *tb, inflate_huft *hp, z_streamp z)
local int	inflate_trees_dynamic (uInt nl, uInt nd, uIntf *c, uIntf *bl, uIntf *bd, inflate_huft *FAR *tl, inflate_huft *FAR *td, inflate_huft *hp, z_streamp z)
local int	inflate_trees_fixed (uIntf *bl, uIntf *bd, const inflate_huft *FAR *tl, const inflate_huft *FAR *td, z_streamp z)

Variables
local const uInt	cplens [31]
local const uInt	cplext [31]
local const uInt	cpdist [30]
local const uInt	cpdext [30]
local int	fixed_built = 0
local inflate_huft	fixed_mem [FIXEDH]
local uInt	fixed_bl
local uInt	fixed_bd
local inflate_huft *	fixed_tl
local inflate_huft *	fixed_td

Macro Definition Documentation

bits

#define bits   word.what.Bits

Definition at line 27 of file inftrees.c.

Referenced by inflate_table().

BMAX

#define BMAX   15 /* maximum bit length of any code */

Definition at line 93 of file inftrees.c.

Referenced by huft_build().

BUILDFIXED

#define BUILDFIXED   /* non ANSI compilers may not accept inffixed.h */

Definition at line 10 of file inftrees.c.

C0

#define C0   *p++ = 0;

C2

#define C2   C0 C0 C0 C0

Referenced by vl::Camera::computeRayFrustum().

C4

#define C4   C2 C2 C2 C2

Referenced by huft_build().

exop

#define exop   word.what.Exop

Definition at line 26 of file inftrees.c.

FIXEDH

#define FIXEDH   544 /* number of hufts used by fixed tables */

Definition at line 398 of file inftrees.c.

Function Documentation

huft_build()

local int huft_build	(	uIntf *	b,
		uInt	n,
		uInt	s,
		const uIntf *	d,
		const uIntf *	e,
		inflate_huft *FAR *	t,
		uIntf *	m,
		inflate_huft *	hp,
		uInt *	hn,
		uIntf *	v
	)

Definition at line 95 of file inftrees.c.

References inflate_huft_s::base, BMAX, C4, i, MANY, Z_BUF_ERROR, Z_DATA_ERROR, Z_NULL, and Z_OK.

Referenced by inflate_trees_bits(), inflate_trees_dynamic(), and inflate_trees_fixed().

inflate_trees_bits()

local int inflate_trees_bits	(	uIntf *	c,
		uIntf *	bb,
		inflate_huft *FAR *	tb,
		inflate_huft *	hp,
		z_streamp	z
	)

Definition at line 299 of file inftrees.c.

References huft_build(), Z_BUF_ERROR, Z_DATA_ERROR, Z_MEM_ERROR, Z_NULL, ZALLOC, and ZFREE.

Referenced by inflate_blocks().

inflate_trees_dynamic()

local int inflate_trees_dynamic	(	uInt	nl,
		uInt	nd,
		uIntf *	c,
		uIntf *	bl,
		uIntf *	bd,
		inflate_huft *FAR *	tl,
		inflate_huft *FAR *	td,
		inflate_huft *	hp,
		z_streamp	z
	)

Definition at line 327 of file inftrees.c.

References huft_build(), Z_BUF_ERROR, Z_DATA_ERROR, Z_MEM_ERROR, Z_NULL, Z_OK, ZALLOC, and ZFREE.

Referenced by inflate_blocks().

inflate_trees_fixed()

local int inflate_trees_fixed	(	uIntf *	bl,
		uIntf *	bd,
		const inflate_huft *FAR *	tl,
		const inflate_huft *FAR *	td,
		z_streamp	z
	)

Definition at line 409 of file inftrees.c.

References fixed_bd, fixed_bl, fixed_td, fixed_tl, FT_UNUSED, huft_build(), Z_MEM_ERROR, Z_NULL, Z_OK, ZALLOC, and ZFREE.

Referenced by inflate_blocks().

OF()

local int huft_build OF

(

(uIntf *, uInt, uInt, const uIntf *, const uIntf *, inflate_huft *FAR *, uIntf *, inflate_huft *, uInt *, uIntf *)

)

Variable Documentation

cpdext

local const uInt cpdext[30]

Initial value:

= { 
        0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
        7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
        12, 12, 13, 13}

Definition at line 54 of file inftrees.c.

cpdist

local const uInt cpdist[30]

Initial value:

= { 
        1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
        257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
        8193, 12289, 16385, 24577}

Definition at line 50 of file inftrees.c.

cplens

local const uInt cplens[31]

Initial value:

= { 
        3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
        35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}

Definition at line 43 of file inftrees.c.

cplext

local const uInt cplext[31]

Initial value:

= { 
        0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
        3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 112, 112}

Definition at line 47 of file inftrees.c.

fixed_bd

local uInt fixed_bd

Definition at line 401 of file inftrees.c.

Referenced by inflate_trees_fixed().

fixed_bl

local uInt fixed_bl

Definition at line 400 of file inftrees.c.

Referenced by inflate_trees_fixed().

fixed_built

local int fixed_built = 0

Definition at line 397 of file inftrees.c.

fixed_mem

local inflate_huft fixed_mem[FIXEDH]

Definition at line 399 of file inftrees.c.

fixed_td

local inflate_huft* fixed_td

Definition at line 403 of file inftrees.c.

Referenced by inflate_trees_fixed().

fixed_tl

local inflate_huft* fixed_tl

Definition at line 402 of file inftrees.c.

Referenced by inflate_trees_fixed().