gun.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <utime.h>
#include "zlib.h"

Go to the source code of this file.

Macros
#define	local   static
#define	SIZE   32768U /* input and output buffer sizes */
#define	PIECE   16384 /* limits i/o chunks for 16-bit int case */
#define	NEXT()
#define	FLUSHCODE()

Functions
local unsigned	in (void *in_desc, z_const unsigned char **buf)
local int	out (void *out_desc, unsigned char *buf, unsigned len)
local int	lunpipe (unsigned have, z_const unsigned char *next, struct ind *indp, int outfile, z_stream *strm)
local int	gunpipe (z_stream *strm, int infile, int outfile)
local void	copymeta (char *from, char *to)
local int	gunzip (z_stream *strm, char *inname, char *outname, int test)
int	main (int argc, char **argv)

Variables
unsigned char	inbuf [SIZE]
unsigned char	outbuf [SIZE]
unsigned short	prefix [65536]
unsigned char	suffix [65536]
unsigned char	match [65280+2]

Macro Definition Documentation

FLUSHCODE

#define FLUSHCODE

(

)

Value:

do { \
        left = 0; \
        rem = 0; \
        if (chunk > have) { \
            chunk -= have; \
            have = 0; \
            if (NEXT() == -1) \
                break; \
            chunk--; \
            if (chunk > have) { \
                chunk = have = 0; \
                break; \
            } \
        } \
        have -= chunk; \
        next += chunk; \
        chunk = 0; \
    } while (0)

Definition at line 171 of file gun.c.

Referenced by lunpipe().

local

#define local   static

Definition at line 73 of file gun.c.

NEXT

#define NEXT

(

)

Value:

(have ? 0 : (have = in(indp, &next)), \
                last = have ? (have--, (int)(*next++)) : -1)

Definition at line 155 of file gun.c.

Referenced by gunpipe(), and lunpipe().

PIECE

#define PIECE   16384 /* limits i/o chunks for 16-bit int case */

Definition at line 77 of file gun.c.

Referenced by in(), and out().

SIZE

#define SIZE   32768U /* input and output buffer sizes */

Definition at line 76 of file gun.c.

Referenced by in(), and lunpipe().

Function Documentation

copymeta()

local void copymeta	(	char *	from,
		char *	to
	)

Definition at line 517 of file gun.c.

References void().

gunpipe()

local int gunpipe	(	z_stream *	strm,
		int	infile,
		int	outfile
	)

Definition at line 383 of file gun.c.

References z_stream_s::avail_in, crc32(), inbuf, infile, inflateBack(), int, lunpipe(), z_stream_s::msg, NEXT, z_stream_s::next_in, NULL, out(), outfile, Z_BUF_ERROR, z_const, Z_DATA_ERROR, Z_ERRNO, Z_NULL, Z_OK, and Z_STREAM_END.

gunzip()

local int gunzip	(	z_stream *	strm,
		char *	inname,
		char *	outname,
		int	test
	)

Definition at line 548 of file gun.c.

in()

local unsigned in	(	void *	in_desc,
		z_const unsigned char **	buf
	)

Definition at line 89 of file gun.c.

References int, outfile, PIECE, read(), and SIZE.

lunpipe()

local int lunpipe	(	unsigned	have,
		z_const unsigned char *	next,
		struct ind *	indp,
		int	outfile,
		z_stream *	strm
	)

Definition at line 200 of file gun.c.

References bits, chunk, code, FLUSHCODE, match, max, z_stream_s::msg, NEXT, z_stream_s::next_in, out(), outbuf, outfile, prefix, SIZE, suffix, Z_BUF_ERROR, Z_DATA_ERROR, and Z_OK.

Referenced by gunpipe().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 631 of file gun.c.

out()

local int out	(	void *	out_desc,
		unsigned char *	buf,
		unsigned	len
	)

Definition at line 131 of file gun.c.

References crc32(), int, PIECE, and write().

Referenced by gzfilebuf::attach(), gzofstream::attach(), vl::compress(), vl::Camera::computeRay(), convert1(), vl::decompress(), def(), vl::PixelLODEvaluator::evaluate(), extract(), file_compress(), file_uncompress(), FT_GlyphLoader_CopyPoints(), FT_Outline_EmboldenXY(), vl::Matrix2< T_Scalar >::getIdentity(), vl::Matrix3< T_Scalar >::getIdentity(), vl::Matrix4< float >::getIdentity(), vl::Quaternion< T_Scalar >::getInverse(), vl::Matrix4< float >::getInverse(), vl::Quaternion< T_Scalar >::getNlerp(), vl::Matrix2< T_Scalar >::getNull(), vl::Matrix3< T_Scalar >::getNull(), vl::Matrix4< float >::getNull(), vl::Matrix4< float >::getRotation(), vl::Matrix3< T_Scalar >::getScaling(), vl::Matrix4< float >::getScaling(), vl::Matrix3< T_Scalar >::getTranslation(), vl::Matrix4< float >::getTranslation(), gunpipe(), gz_compress(), gztack(), inf(), inflate(), inflate_fast(), inflateBack(), inflateSync(), init_error_limit(), vl::Matrix4< float >::invert(), gzifstream::is_open(), gzofstream::is_open(), lunpipe(), main(), vl::Matrix2< T_Scalar >::multiply(), vl::Matrix3< T_Scalar >::multiply(), vl::Matrix4< float >::multiply(), gzfilebuf::open(), gzofstream::open(), gzfilebuf::open_mode(), gzfilebuf::overflow(), vl::Say::parse(), vlX::VisitorExportToVLT::rawtextEncode(), vlX::VisitorExportToVLT::stringEncode(), vl::TriangleStripGenerator::stripfy(), vl::Quaternion< T_Scalar >::toMatrix3(), vl::Quaternion< T_Scalar >::toMatrix4(), and try().

Variable Documentation

inbuf

unsigned char inbuf[SIZE]

Definition at line 161 of file gun.c.

Referenced by gunpipe().

match

unsigned char match[65280+2]

Definition at line 165 of file gun.c.

Referenced by vl::FileSystem::FileSystem(), vl::String::filterStrings(), longest_match(), lunpipe(), and vl::MemoryDirectory::subDir().

outbuf

unsigned char outbuf[SIZE]

Definition at line 162 of file gun.c.

Referenced by lunpipe().

prefix

unsigned short prefix[65536]

Definition at line 163 of file gun.c.

Referenced by lunpipe(), vlX::VLXSerializer::reset(), and try().

suffix

unsigned char suffix[65536]

Definition at line 164 of file gun.c.

Referenced by lunpipe().