gzjoin.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include "zlib.h"

Go to the source code of this file.

Macros
#define	local   static
#define	CHUNK   32768 /* must be a power of two and fit in unsigned */
#define	bget(in)

Functions
local int	bail (char *why1, char *why2)
local void	bclose (bin *in)
local bin *	bopen (char *name)
local int	bload (bin *in)
local unsigned long	bget4 (bin *in)
local void	bskip (bin *in, unsigned skip)
local void	gzhead (bin *in)
local void	put4 (unsigned long val, FILE *out)
local void	zpull (z_streamp strm, bin *in)
local void	gzinit (unsigned long *crc, unsigned long *tot, FILE *out)
local void	gzcopy (char *name, int clr, unsigned long *crc, unsigned long *tot, FILE *out)
int	main (int argc, char **argv)

Macro Definition Documentation

bget

#define bget

(

in

)

Value:

(in->left ? 0 : bload(in), \
                  in->left ? (in->left--, *(in->next)++) : \
                    bail("unexpected end of file on ", in->name))

Definition at line 140 of file gzjoin.c.

Referenced by bget4(), and gzhead().

CHUNK

#define CHUNK   32768 /* must be a power of two and fit in unsigned */

Definition at line 75 of file gzjoin.c.

Referenced by bload(), bopen(), bskip(), and gzcopy().

local

#define local   static

Definition at line 63 of file gzjoin.c.

Function Documentation

bail()

local int bail	(	char *	why1,
		char *	why2
	)

Definition at line 66 of file gzjoin.c.

Referenced by bskip(), gzcopy(), gzhead(), and zpull().

bclose()

local void bclose

(

bin *

in

)

Definition at line 87 of file gzjoin.c.

References close(), free(), and NULL.

Referenced by bopen(), and gzcopy().

bget4()

local unsigned long bget4

(

bin *

in

)

Definition at line 145 of file gzjoin.c.

References bget, and long().

Referenced by gzcopy().

bload()

local int bload

(

bin *

in

)

Definition at line 121 of file gzjoin.c.

References CHUNK, long(), NULL, and read().

Referenced by bskip(), and zpull().

bopen()

local bin* bopen

(

char *

name

)

Definition at line 100 of file gzjoin.c.

References bclose(), CHUNK, malloc(), NULL, and open().

Referenced by gzcopy().

bskip()

local void bskip	(	bin *	in,
		unsigned	skip
	)

Definition at line 157 of file gzjoin.c.

References bail(), bload(), CHUNK, lseek(), NULL, read(), SEEK_CUR, and skip().

Referenced by gzhead().

gzcopy()

local void gzcopy	(	char *	name,
		int	clr,
		unsigned long *	crc,
		unsigned long *	tot,
		FILE *	out
	)

Definition at line 279 of file gzjoin.c.

References z_stream_s::avail_in, z_stream_s::avail_out, bail(), bclose(), bget4(), bopen(), CHUNK, crc32_combine(), z_stream_s::data_type, free(), gzhead(), inflate(), inflateEnd(), inflateInit2, long(), malloc(), z_stream_s::next_in, z_stream_s::next_out, NULL, z_stream_s::opaque, put4(), Z_BLOCK, Z_DATA_ERROR, Z_MEM_ERROR, Z_NULL, z_off_t, Z_OK, z_stream_s::zalloc, z_stream_s::zfree, and zpull().

Referenced by main().

gzhead()

local void gzhead

(

bin *

in

)

Definition at line 204 of file gzjoin.c.

References bail(), bget, and bskip().

Referenced by gzcopy().

gzinit()

local void gzinit	(	unsigned long *	crc,
		unsigned long *	tot,
		FILE *	out
	)

Definition at line 265 of file gzjoin.c.

References crc32(), and Z_NULL.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 427 of file gzjoin.c.

References gzcopy(), and gzinit().

put4()

local void put4	(	unsigned long	val,
		FILE *	out
	)

Definition at line 245 of file gzjoin.c.

Referenced by gzcopy().

zpull()

local void zpull	(	z_streamp	strm,
		bin *	in
	)

Definition at line 254 of file gzjoin.c.

References bail(), and bload().

Referenced by gzcopy().