gzio.cpp File Reference

#include <stdio.h>
#include "zlib_symbian_ext.h"
#include "zutil.h"

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Data Structures
struct	internal_state
struct	gz_stream

Macros
#define	Z_BUFSIZE   16384
#define	Z_PRINTF_BUFSIZE   4096
#define	ALLOC(size)   gf_malloc(size)
#define	TRYFREE(p)   {if (p) gf_free(p);}
#define	ASCII_FLAG   0x01 /* bit 0 set: file probably ascii text */
#define	HEAD_CRC   0x02 /* bit 1 set: header CRC present */
#define	EXTRA_FIELD   0x04 /* bit 2 set: extra field present */
#define	ORIG_NAME   0x08 /* bit 3 set: original file name present */
#define	COMMENT   0x10 /* bit 4 set: file comment present */
#define	RESERVED   0xE0 /* bits 5..7: reserved */
#define	GZ_EXPORT
#define	zstrerror(errnum)   ""

Typedefs
typedef voidp	gzFile

Functions
static void check_header	OF ((gz_stream *s))
static gzFile	gz_open (const char *path, const char *mode, int fd)
gzFile	gzopen (const char *path, const char *mode)
gzFile	gzdopen (int fd, const char *mode)
int	gzsetparams (gzFile file, int level, int strategy)
static int	get_byte (gz_stream *s)
static void	check_header (gz_stream *s)
static int	destroy (gz_stream *s)
int	gzread (gzFile file, voidp buf, unsigned len)
int	gzgetc (gzFile file)
int	gzungetc (int c, gzFile file)
char *	gzgets (gzFile file, char *buf, int len)
int	gzwrite (gzFile file, void *const buf, unsigned len)
int	gzprintf (gzFile file, const char *format, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8, int a9, int a10, int a11, int a12, int a13, int a14, int a15, int a16, int a17, int a18, int a19, int a20)
int	gzputc (gzFile file, int c)
int	gzputs (gzFile file, const char *s)
static int	do_flush (gzFile file, int flush)
int	gzflush (gzFile file, int flush)
int	gzrewind (gzFile file)
z_off_t	gzseek (gzFile file, z_off_t offset, int whence)
z_off_t	gztell (gzFile file)
int	gzeof (gzFile file)
int	gzdirect (gzFile file)
static void	putLong (FILE *file, uLong x)
static uLong	getLong (gz_stream *s)
int	gzclose (gzFile file)
const char *	gzerror (gzFile file, int *errnum)
void	gzclearerr (gzFile file)

Variables
static int const	gz_magic [2] = {0x1f, 0x8b}
const char *const	z_errmsg [10]

---

Data Structure Documentation

struct internal_state

Collaboration diagram for internal_state:

Data Fields
int	dummy

struct gz_stream

Collaboration diagram for gz_stream:

Data Fields
z_stream	stream
int	z_err
int	z_eof
FILE *	file
Byte *	inbuf
Byte *	outbuf
uLong	crc
char *	msg
char *	path
int	transparent
char	mode
z_off_t	start
z_off_t	in
z_off_t	out
int	back
int	last

Macro Definition Documentation

#define Z_BUFSIZE   16384

#define Z_PRINTF_BUFSIZE   4096

#define ALLOC

(

size

)

gf_malloc(size)

#define TRYFREE

(

p

)

{if (p) gf_free(p);}

#define ASCII_FLAG   0x01 /* bit 0 set: file probably ascii text */

#define HEAD_CRC   0x02 /* bit 1 set: header CRC present */

#define EXTRA_FIELD   0x04 /* bit 2 set: extra field present */

#define ORIG_NAME   0x08 /* bit 3 set: original file name present */

#define COMMENT   0x10 /* bit 4 set: file comment present */

#define RESERVED   0xE0 /* bits 5..7: reserved */

#define GZ_EXPORT

#define zstrerror

(

errnum

)

""

Typedef Documentation

typedef voidp gzFile

Function Documentation

static uLong getLong OF ( (gz_stream *s)  )

static

static gzFile gz_open ( const char *  path, const char *  mode, int  fd  )

static

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gzFile gzopen	(	const char *	path,
		const char *	mode
	)

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gzFile gzdopen	(	int	fd,
		const char *	mode
	)

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int gzsetparams	(	gzFile	file,
		int	level,
		int	strategy
	)

static int get_byte ( gz_stream *  s )

static

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static void check_header ( gz_stream *  s )

static

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static int destroy ( gz_stream *  s )

static

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int gzread	(	gzFile	file,
		voidp	buf,
		unsigned	len
	)

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int gzgetc

(

gzFile

file

)

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int gzungetc	(	int	c,
		gzFile	file
	)

char* gzgets	(	gzFile	file,
		char *	buf,
		int	len
	)

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int gzwrite	(	gzFile	file,
		void *const	buf,
		unsigned	len
	)

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int gzprintf	(	gzFile	file,
		const char *	format,
		int	a1,
		int	a2,
		int	a3,
		int	a4,
		int	a5,
		int	a6,
		int	a7,
		int	a8,
		int	a9,
		int	a10,
		int	a11,
		int	a12,
		int	a13,
		int	a14,
		int	a15,
		int	a16,
		int	a17,
		int	a18,
		int	a19,
		int	a20
	)

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int gzputc	(	gzFile	file,
		int	c
	)

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int gzputs	(	gzFile	file,
		const char *	s
	)

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static int do_flush ( gzFile  file, int  flush  )

static

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int gzflush	(	gzFile	file,
		int	flush
	)

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int gzrewind

(

gzFile

file

)

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z_off_t gzseek	(	gzFile	file,
		z_off_t	offset,
		int	whence
	)

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z_off_t gztell

(

gzFile

file

)

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int gzeof

(

gzFile

file

)

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int gzdirect

(

gzFile

file

)

static void putLong ( FILE *  file, uLong  x  )

static

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static uLong getLong ( gz_stream *  s )

static

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int gzclose

(

gzFile

file

)

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const char* gzerror	(	gzFile	file,
		int *	errnum
	)

void gzclearerr

(

gzFile

file

)

Variable Documentation

int const gz_magic[2] = {0x1f, 0x8b}

static

const char* const z_errmsg[10]

Initial value:

= {
"need dictionary",     
"stream end",          
"",                    
"file error",          
"stream error",        
"data error",          
"insufficient memory", 
"buffer error",        
"incompatible version",
""}