zutil.h File Reference

Internal interface and configuration of the compression library. More...

#include <zlib/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 (uLong, uLong, z_off_t)
ZEXTERN uLong ZEXPORT	crc32_combine64 (uLong, uLong, z_off_t)
ZEXTERN uLong ZEXPORT	crc32_combine_gen64 (z_off_t)
void ZLIB_INTERNAL	zmemcpy (Bytef *dest, const Bytef *source, uInt len)
int ZLIB_INTERNAL	zmemcmp (const Bytef *s1, const Bytef *s2, uInt len)
void ZLIB_INTERNAL	zmemzero (Bytef *dest, uInt len)
voidpf ZLIB_INTERNAL	zcalloc (voidpf opaque, unsigned items, unsigned size)
void ZLIB_INTERNAL	zcfree (voidpf opaque, voidpf ptr)

Variables
const char *const	z_errmsg [10]

Detailed Description

Internal interface and configuration of the compression library.

Copyright (C) 1995-2022 Jean-loup Gailly, Mark Adler For conditions of distribution and use, see copyright notice in zlib.h

Warning

This file should not be used by applications. It is part of the implementation of the compression library and is subject to change. Applications should only use zlib.h.

Macro Definition Documentation

ZSWAP32

#define ZSWAP32

(

q

)

Value:

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