zutil.h File Reference

#include "zlib.h"

Go to the source code of this file.

Macros
#define	ZLIB_INTERNAL
#define	local   static
#define	ERR_MSG(err)   z_errmsg[Z_NEED_DICT-(err)]
#define	ERR_RETURN(strm, err)   return (strm->msg = ERR_MSG(err), (err))
#define	DEF_WBITS   MAX_WBITS
#define	DEF_MEM_LEVEL   8
#define	STORED_BLOCK   0
#define	STATIC_TREES   1
#define	DYN_TREES   2
#define	MIN_MATCH   3
#define	MAX_MATCH   258
#define	PRESET_DICT   0x20 /* preset dictionary flag in zlib header */
#define	OS_CODE   3 /* assume Unix */
#define	F_OPEN(name, mode)   fopen((name), (mode))
#define	Assert(cond, msg)
#define	Trace(x)
#define	Tracev(x)
#define	Tracevv(x)
#define	Tracec(c, x)
#define	Tracecv(c, x)
#define	ZALLOC(strm, items, size)   (*((strm)->zalloc))((strm)->opaque, (items), (size))
#define	ZFREE(strm, addr)   (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define	TRY_FREE(s, p)   {if (p) ZFREE(s, p);}
#define	ZSWAP32(q)

Typedefs
typedef unsigned char	uch
typedef uch FAR	uchf
typedef unsigned short	ush
typedef ush FAR	ushf
typedef unsigned long	ulg

Functions
ZEXTERN uLong ZEXPORT adler32_combine64	OF ((uLong, uLong, z_off_t))
void ZLIB_INTERNAL zmemcpy	OF ((Bytef *dest, const Bytef *source, uInt len))
int ZLIB_INTERNAL zmemcmp	OF ((const Bytef *s1, const Bytef *s2, uInt len))
void ZLIB_INTERNAL zmemzero	OF ((Bytef *dest, uInt len))
voidpf ZLIB_INTERNAL zcalloc	OF ((voidpf opaque, unsigned items, unsigned size))
void ZLIB_INTERNAL zcfree	OF ((voidpf opaque, voidpf ptr))

Variables
z_const char *const	z_errmsg [10]

Macro Definition Documentation

ZLIB_INTERNAL

#define ZLIB_INTERNAL

local

#define local   static

ERR_MSG

#define ERR_MSG

(

err

)

z_errmsg[Z_NEED_DICT-(err)]

ERR_RETURN

#define ERR_RETURN	(		strm,
			err
	)		return (strm->msg = ERR_MSG(err), (err))

DEF_WBITS

#define DEF_WBITS   MAX_WBITS

DEF_MEM_LEVEL

#define DEF_MEM_LEVEL   8

STORED_BLOCK

#define STORED_BLOCK   0

STATIC_TREES

#define STATIC_TREES   1

DYN_TREES

#define DYN_TREES   2

MIN_MATCH

#define MIN_MATCH   3

MAX_MATCH

#define MAX_MATCH   258

PRESET_DICT

#define PRESET_DICT   0x20 /* preset dictionary flag in zlib header */

OS_CODE

#define OS_CODE   3 /* assume Unix */

F_OPEN

#define F_OPEN	(		name,
			mode
	)		fopen((name), (mode))

Assert

#define Assert	(		cond,
			msg
	)

Trace

#define Trace

(

x

)

Tracev

#define Tracev

(

x

)

Tracevv

#define Tracevv

(

x

)

Tracec

#define Tracec	(		c,
			x
	)

Tracecv

#define Tracecv	(		c,
			x
	)

ZALLOC

#define ZALLOC	(		strm,
			items,
			size
	)		(*((strm)->zalloc))((strm)->opaque, (items), (size))

ZFREE

#define ZFREE	(		strm,
			addr
	)		(*((strm)->zfree))((strm)->opaque, (voidpf)(addr))

TRY_FREE

#define TRY_FREE	(		s,
			p
	)		{if (p) ZFREE(s, p);}

ZSWAP32

#define ZSWAP32

(

q

)

Value:

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

Typedef Documentation

uch

typedef unsigned char uch

uchf

typedef uch FAR uchf

ush

typedef unsigned short ush

ushf

typedef ush FAR ushf

ulg

typedef unsigned long ulg

Function Documentation

OF() [1/6]

ZEXTERN uLong ZEXPORT adler32_combine64 OF

(

(uLong, uLong, z_off_t)

)

OF() [2/6]

void ZLIB_INTERNAL zmemcpy OF

(

(Bytef *dest, const Bytef *source, uInt len)

)

OF() [3/6]

int ZLIB_INTERNAL zmemcmp OF

(

(const Bytef *s1, const Bytef *s2, uInt len)

)

OF() [4/6]

void ZLIB_INTERNAL zmemzero OF

(

(Bytef *dest, uInt len)

)

OF() [5/6]

voidpf ZLIB_INTERNAL zcalloc OF

(

(voidpf opaque, unsigned items, unsigned size)

)

OF() [6/6]

void ZLIB_INTERNAL zcfree OF

(

(voidpf opaque, voidpf ptr)

)

Variable Documentation

z_errmsg

z_const char* const z_errmsg[10]