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[(err) < -6 || (err) > 2 ? 9 : 2 - (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
z_const char *const	z_errmsg [10]

Macro Definition Documentation

#define Assert	(		cond,
			msg
	)

Definition at line 231 of file zutil.h.

Referenced by _tr_flush_block(), _tr_tally(), compress_block(), deflate_rle(), deflate_slow(), fill_window(), gen_codes(), longest_match(), send_all_trees(), send_tree(), and tr_static_init().

#define DEF_MEM_LEVEL   8

Definition at line 73 of file zutil.h.

#define DEF_WBITS   MAX_WBITS

Definition at line 68 of file zutil.h.

Referenced by inflateInit_().

#define DYN_TREES   2

Definition at line 81 of file zutil.h.

Referenced by _tr_flush_block().

#define ERR_MSG

(

err

)

z_errmsg[(err) < -6 || (err) > 2 ? 9 : 2 - (err)]

Definition at line 59 of file zutil.h.

Referenced by deflateInit2_(), and zError().

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

Definition at line 61 of file zutil.h.

Referenced by deflate().

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

Definition at line 185 of file zutil.h.

#define local   static

Definition at line 33 of file zutil.h.

#define MAX_MATCH   258

Definition at line 85 of file zutil.h.

Referenced by _tr_tally(), deflate_rle(), and longest_match().

#define MIN_MATCH   3

Definition at line 84 of file zutil.h.

Referenced by deflate_fast(), deflate_rle(), deflate_slow(), deflateInit2_(), deflateSetDictionary(), fill_window(), and lm_init().

#define OS_CODE   3 /* assume Unix */

Definition at line 181 of file zutil.h.

Referenced by deflate().

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

Definition at line 88 of file zutil.h.

Referenced by deflate().

#define STATIC_TREES   1

Definition at line 80 of file zutil.h.

Referenced by _tr_align(), and _tr_flush_block().

#define STORED_BLOCK   0

Definition at line 79 of file zutil.h.

Referenced by _tr_stored_block().

#define Trace

(

x

)

Definition at line 232 of file zutil.h.

Referenced by inflate().

#define Tracec	(		c,
			x
	)

Definition at line 235 of file zutil.h.

#define Tracecv	(		c,
			x
	)

Definition at line 236 of file zutil.h.

Referenced by compress_block(), and gen_codes().

#define Tracev

(

x

)

Definition at line 233 of file zutil.h.

Referenced by _tr_flush_block(), build_bl_tree(), gen_bitlen(), gen_codes(), inflate(), inflateBack(), inflateBackEnd(), inflateBackInit_(), inflateEnd(), inflateInit2_(), inflateResetKeep(), inflateSetDictionary(), and send_all_trees().

#define Tracevv

(

x

)

Definition at line 234 of file zutil.h.

Referenced by deflate_fast(), deflate_huff(), deflate_rle(), deflate_slow(), inflate(), inflate_fast(), and inflateBack().

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

Definition at line 248 of file zutil.h.

Referenced by deflateEnd().

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

Definition at line 245 of file zutil.h.

Referenced by deflateCopy(), deflateInit2_(), inflateBackInit_(), inflateCopy(), inflateInit2_(), and updatewindow().

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

Definition at line 247 of file zutil.h.

Referenced by deflateEnd(), inflateBackEnd(), inflateCopy(), inflateEnd(), inflateInit2_(), and inflateReset2().

#define ZLIB_INTERNAL

Definition at line 19 of file zutil.h.

#define ZSWAP32

(

q

)

Value:

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

Definition at line 251 of file zutil.h.

Referenced by inflate().

Typedef Documentation

typedef unsigned char uch

Definition at line 39 of file zutil.h.

typedef uch FAR uchf

Definition at line 40 of file zutil.h.

typedef unsigned long ulg

Definition at line 43 of file zutil.h.

typedef unsigned short ush

Definition at line 41 of file zutil.h.

typedef ush FAR ushf

Definition at line 42 of file zutil.h.

Function Documentation

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

)

voidpf ZLIB_INTERNAL zcalloc	(	voidpf	opaque,
		unsigned	items,
		unsigned	size
	)

Definition at line 286 of file zutil.c.

References calloc(), and malloc().

Referenced by deflateInit2_(), inflateBackInit_(), and inflateInit2_().

void ZLIB_INTERNAL zcfree	(	voidpf	opaque,
		voidpf	ptr
	)

Definition at line 292 of file zutil.c.

References free().

Referenced by deflateInit2_(), inflateBackInit_(), and inflateInit2_().

int ZLIB_INTERNAL zmemcmp	(	const Bytef *	s1,
		const Bytef *	s2,
		uInt	len
	)

Definition at line 152 of file zutil.c.

void ZLIB_INTERNAL zmemcpy	(	Bytef *	dest,
		const Bytef *	source,
		uInt	len
	)

Definition at line 145 of file zutil.c.

Referenced by _tr_stored_block(), deflate(), deflate_stored(), deflateCopy(), deflateGetDictionary(), fill_window(), flush_pending(), inflate(), inflateBack(), inflateCopy(), inflateGetDictionary(), read_buf(), and updatewindow().

void ZLIB_INTERNAL zmemzero	(	Bytef *	dest,
		uInt	len
	)

Definition at line 161 of file zutil.c.

Referenced by fill_window().

Variable Documentation

z_const char* const z_errmsg[10]

Definition at line 13 of file zutil.c.