gzappend.c File Reference

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

Go to the source code of this file.

Macros
#define	local   static
#define	LGCHUNK   14
#define	CHUNK   (1U << LGCHUNK)
#define	DSIZE   32768U
#define	read1(in)

Functions
local void	bye (char *msg1, char *msg2)
local unsigned	gcd (unsigned a, unsigned b)
local void	rotate (unsigned char *list, unsigned len, unsigned rot)
local int	readin (file *in)
local int	readmore (file *in)
local void	skip (file *in, unsigned n)
unsigned long	read4 (file *in)
local void	gzheader (file *in)
local int	gzscan (char *name, z_stream *strm, int level)
local void	gztack (char *name, int gd, z_stream *strm, int last)
int	main (int argc, char **argv)

Macro Definition Documentation

CHUNK

#define CHUNK   (1U << LGCHUNK)

Definition at line 89 of file gzappend.c.

Referenced by blast(), and gztack().

DSIZE

#define DSIZE   32768U

Definition at line 90 of file gzappend.c.

LGCHUNK

#define LGCHUNK   14

Definition at line 88 of file gzappend.c.

local

#define local   static

Definition at line 87 of file gzappend.c.

read1

#define read1

(

in

)

Value:

(in->left == 0 ? readmore(in) : 0, \
                   in->left--, *(in->next)++)

Definition at line 198 of file gzappend.c.

Referenced by gzheader(), and read4().

Function Documentation

bye()

local void bye	(	char *	msg1,
		char *	msg2
	)

Definition at line 93 of file gzappend.c.

Referenced by gzheader(), gztack(), main(), readin(), readmore(), and skip().

gcd()

local unsigned gcd	(	unsigned	a,
		unsigned	b
	)

Definition at line 102 of file gzappend.c.

Referenced by rotate().

gzheader()

local void gzheader

(

file *

in

)

Definition at line 235 of file gzappend.c.

References bye(), read1, and skip().

gzscan()

local int gzscan	(	char *	name,
		z_stream *	strm,
		int	level
	)

Definition at line 259 of file gzappend.c.

Referenced by main().

gztack()

local void gztack	(	char *	name,
		int	gd,
		z_stream *	strm,
		int	last
	)

Definition at line 388 of file gzappend.c.

References z_stream_s::adler, z_stream_s::avail_in, z_stream_s::avail_out, bye(), CHUNK, close(), crc32(), deflate(), deflateEnd(), free(), malloc(), z_stream_s::next_in, z_stream_s::next_out, NULL, open(), out(), read(), z_stream_s::total_in, write(), Z_FINISH, Z_NO_FLUSH, and Z_STREAM_END.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 466 of file gzappend.c.

References bye(), gzscan(), gztack(), NULL, and Z_DEFAULT_COMPRESSION.

read4()

unsigned long read4

(

file *

in

)

Definition at line 223 of file gzappend.c.

References long(), and read1.

readin()

local int readin

(

file *

in

)

Definition at line 180 of file gzappend.c.

References bye(), and read().

Referenced by readmore().

readmore()

local int readmore

(

file *

in

)

Definition at line 192 of file gzappend.c.

References bye(), and readin().

Referenced by skip().

rotate()

local void rotate	(	unsigned char *	list,
		unsigned	len,
		unsigned	rot
	)

Definition at line 123 of file gzappend.c.

References gcd(), and z_const.

Referenced by vl::Text::computeBounds_Implementation(), vl::Transform::parent(), vl::DrawElements< ArrayUShort1 >::primitiveRestartIndex(), vl::DrawRangeElements< ArrayUShort1 >::primitiveRestartIndex(), and vl::VectorGraphics::resetMatrix().

skip()

local void skip	(	file *	in,
		unsigned	n
	)

Definition at line 202 of file gzappend.c.

References bye(), lseek(), readmore(), and SEEK_CUR.

Referenced by bskip(), do_extract_currentfile(), extract(), gzheader(), and main().