gzio.c File Reference

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

Include dependency graph for gzio.c:

Go to the source code of this file.

Classes
struct	gz_stream
struct	internal_state

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

Typedefs
typedef struct gz_stream	gz_stream

Functions
local void	check_header (gz_stream *s)
local int	destroy (gz_stream *s)
local int	do_flush (gzFile file, int flush)
local int	get_byte (gz_stream *s)
local uLong	getLong (gz_stream *s)
local gzFile	gz_open (char *path, const char *mode, int fd) const
void ZEXPORT	gzclearerr (gzFile file)
int ZEXPORT	gzclose (gzFile file)
int ZEXPORT	gzdirect (gzFile file)
gzFile ZEXPORT	gzdopen (int fd, const char *mode)
int ZEXPORT	gzeof (gzFile file)
const char *ZEXPORT	gzerror (gzFile file, int *errnum)
int ZEXPORT	gzflush (gzFile file, int flush)
int ZEXPORT	gzgetc (gzFile file)
char *ZEXPORT	gzgets (gzFile file, char *buf, int len)
gzFile ZEXPORT	gzopen (char *path, const char *mode) const
int ZEXPORTVA	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 ZEXPORT	gzputc (gzFile file, int c)
int ZEXPORT	gzputs (gzFile file, const char *s)
int ZEXPORT	gzread (gzFile file, voidp buf, unsigned len)
int ZEXPORT	gzrewind (gzFile file)
z_off_t ZEXPORT	gzseek (gzFile file, z_off_t offset, int whence)
int ZEXPORT	gzsetparams (gzFile file, int level, int strategy)
z_off_t ZEXPORT	gztell (gzFile file)
int ZEXPORT	gzungetc (int c, gzFile file)
int ZEXPORT	gzwrite (gzFile file, voidpc buf, unsigned len)
voidp malloc	OF ((uInt size))
void free	OF ((voidpf ptr))
local gzFile gz_open	OF ((const char *path, const char *mode, intfd))
local int do_flush	OF ((gzFile file, int flush))
local int get_byte	OF ((gz_stream *s))
local void putLong	OF ((FILE *file, uLong x))
local void	putLong (FILE *file, uLong x)

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

Macro Definition Documentation

#define ALLOC

(

size

)

malloc(size)

Definition at line 43 of file gzio.c.

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

Definition at line 49 of file gzio.c.

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

Definition at line 53 of file gzio.c.

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

Definition at line 51 of file gzio.c.

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

Definition at line 50 of file gzio.c.

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

Definition at line 52 of file gzio.c.

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

Definition at line 54 of file gzio.c.

#define TRYFREE

(

p

)

{if (p) free(p);}

Definition at line 44 of file gzio.c.

#define Z_BUFSIZE   16384

Definition at line 26 of file gzio.c.

#define Z_PRINTF_BUFSIZE   4096

Definition at line 30 of file gzio.c.

#define zstrerror

(

errnum

)

""

Definition at line 977 of file gzio.c.

Typedef Documentation

typedef struct gz_stream gz_stream

Function Documentation

local void check_header

(

gz_stream *

s

)

Definition at line 288 of file gzio.c.

local int destroy

(

gz_stream *

s

)

Definition at line 355 of file gzio.c.

local int do_flush	(	gzFile	file,
		int	flush
	)

Definition at line 705 of file gzio.c.

local int get_byte

(

gz_stream *

s

)

Definition at line 261 of file gzio.c.

local uLong getLong

(

gz_stream *

s

)

Definition at line 935 of file gzio.c.

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

Definition at line 93 of file gzio.c.

void ZEXPORT gzclearerr

(

gzFile

file

)

Definition at line 1017 of file gzio.c.

int ZEXPORT gzclose

(

gzFile

file

)

Definition at line 953 of file gzio.c.

int ZEXPORT gzdirect

(

gzFile

file

)

Definition at line 908 of file gzio.c.

gzFile ZEXPORT gzdopen	(	int	fd,
		const char *	mode
	)

Definition at line 219 of file gzio.c.

int ZEXPORT gzeof

(

gzFile

file

)

Definition at line 891 of file gzio.c.

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

Definition at line 987 of file gzio.c.

int ZEXPORT gzflush	(	gzFile	file,
		int	flush
	)

Definition at line 746 of file gzio.c.

int ZEXPORT gzgetc

(

gzFile

file

)

Definition at line 503 of file gzio.c.

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

Definition at line 540 of file gzio.c.

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

Definition at line 208 of file gzio.c.

int ZEXPORTVA 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
	)

Definition at line 637 of file gzio.c.

int ZEXPORT gzputc	(	gzFile	file,
		int	c
	)

Definition at line 678 of file gzio.c.

int ZEXPORT gzputs	(	gzFile	file,
		const char *	s
	)

Definition at line 693 of file gzio.c.

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

Definition at line 394 of file gzio.c.

int ZEXPORT gzrewind

(

gzFile

file

)

Definition at line 857 of file gzio.c.

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

Definition at line 767 of file gzio.c.

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

Definition at line 234 of file gzio.c.

z_off_t ZEXPORT gztell

(

gzFile

file

)

Definition at line 881 of file gzio.c.

int ZEXPORT gzungetc	(	int	c,
		gzFile	file
	)

Definition at line 515 of file gzio.c.

int ZEXPORT gzwrite	(	gzFile	file,
		voidpc	buf,
		unsigned	len
	)

Definition at line 559 of file gzio.c.

voidp malloc OF

(

(uInt size)

)

void free OF

(

(voidpf ptr)

)

local gzFile gz_open OF

(

(const char *path, const char *mode, intfd)

)

local int do_flush OF

(

(gzFile file, int flush)

)

local int get_byte OF

(

(gz_stream *s)

)

local void putLong OF

(

(FILE *file, uLong x)

)

local void putLong	(	FILE *	file,
		uLong	x
	)

Definition at line 920 of file gzio.c.

Variable Documentation

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

static

Definition at line 46 of file gzio.c.