untgz.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include "zlib.h"
#include <direct.h>
#include <io.h>
#include <utime.h>

Go to the source code of this file.

Macros
#define	REGTYPE   '0' /* regular file */
#define	AREGTYPE   '\0' /* regular file */
#define	LNKTYPE   '1' /* link */
#define	SYMTYPE   '2' /* reserved */
#define	CHRTYPE   '3' /* character special */
#define	BLKTYPE   '4' /* block special */
#define	DIRTYPE   '5' /* directory */
#define	FIFOTYPE   '6' /* FIFO special */
#define	CONTTYPE   '7' /* reserved */
#define	GNUTYPE_DUMPDIR   'D' /* file names from dumped directory */
#define	GNUTYPE_LONGLINK   'K' /* long link name */
#define	GNUTYPE_LONGNAME   'L' /* long file name */
#define	GNUTYPE_MULTIVOL   'M' /* continuation of file from another volume */
#define	GNUTYPE_NAMES   'N' /* file name that does not fit into main hdr */
#define	GNUTYPE_SPARSE   'S' /* sparse file */
#define	GNUTYPE_VOLHDR   'V' /* tape/volume header */
#define	BLOCKSIZE   512
#define	SHORTNAMESIZE   100
#define	ISSPECIAL(c)   (((c) == '*') || ((c) == '/'))

Enumerations
enum	{ TGZ_EXTRACT, TGZ_LIST, TGZ_INVALID }

Functions
char *TGZfname	OF ((const char *))
int getoct	OF ((char *, int))
char *strtime	OF ((time_t *))
int setfiletime	OF ((char *, time_t))
void push_attr	OF ((struct attr_item **, char *, int, time_t))
void restore_attr	OF ((struct attr_item **))
int ExprMatch	OF ((char *, char *))
int makedir	OF ((char *))
int matchname	OF ((int, int, char **, char *))
int tar	OF ((gzFile, int, int, int, char **))
void help	OF ((int))
int main	OF ((int, char **))
char *	TGZfname (const char *arcname)
void	TGZnotfound (const char *arcname)
int	getoct (char *p, int width)
char *	strtime (time_t *t)
int	setfiletime (char *fname, time_t ftime)
void	push_attr (struct attr_item **list, char *fname, int mode, time_t time)
void	restore_attr (struct attr_item **list)
int	ExprMatch (char *string, char *expr)
int	makedir (char *newdir)
int	matchname (int arg, int argc, char **argv, char *fname)
int	tar (gzFile in, int action, int arg, int argc, char **argv)
void	help (int exitval)
void	error (const char *msg)
int	main (int argc, char **argv)

Variables
char *	prog
const char *	TGZsuffix [] = { "\0", ".tar", ".tar.gz", ".taz", ".tgz", NULL }

Macro Definition Documentation

AREGTYPE

#define AREGTYPE   '\0' /* regular file */

Definition at line 43 of file untgz.c.

Referenced by tar().

BLKTYPE

#define BLKTYPE   '4' /* block special */

Definition at line 47 of file untgz.c.

BLOCKSIZE

#define BLOCKSIZE   512

Definition at line 65 of file untgz.c.

Referenced by tar().

CHRTYPE

#define CHRTYPE   '3' /* character special */

Definition at line 46 of file untgz.c.

CONTTYPE

#define CONTTYPE   '7' /* reserved */

Definition at line 50 of file untgz.c.

DIRTYPE

#define DIRTYPE   '5' /* directory */

Definition at line 48 of file untgz.c.

Referenced by tar().

FIFOTYPE

#define FIFOTYPE   '6' /* FIFO special */

Definition at line 49 of file untgz.c.

GNUTYPE_DUMPDIR

#define GNUTYPE_DUMPDIR   'D' /* file names from dumped directory */

Definition at line 54 of file untgz.c.

GNUTYPE_LONGLINK

#define GNUTYPE_LONGLINK   'K' /* long link name */

Definition at line 55 of file untgz.c.

Referenced by tar().

GNUTYPE_LONGNAME

#define GNUTYPE_LONGNAME   'L' /* long file name */

Definition at line 56 of file untgz.c.

Referenced by tar().

GNUTYPE_MULTIVOL

#define GNUTYPE_MULTIVOL   'M' /* continuation of file from another volume */

Definition at line 57 of file untgz.c.

GNUTYPE_NAMES

#define GNUTYPE_NAMES   'N' /* file name that does not fit into main hdr */

Definition at line 58 of file untgz.c.

GNUTYPE_SPARSE

#define GNUTYPE_SPARSE   'S' /* sparse file */

Definition at line 59 of file untgz.c.

GNUTYPE_VOLHDR

#define GNUTYPE_VOLHDR   'V' /* tape/volume header */

Definition at line 60 of file untgz.c.

ISSPECIAL

#define ISSPECIAL

(

c

)

(((c) == '*') || ((c) == '/'))

Definition at line 288 of file untgz.c.

Referenced by ExprMatch().

LNKTYPE

#define LNKTYPE   '1' /* link */

Definition at line 44 of file untgz.c.

REGTYPE

#define REGTYPE   '0' /* regular file */

Definition at line 42 of file untgz.c.

Referenced by tar().

SHORTNAMESIZE

#define SHORTNAMESIZE   100

Definition at line 66 of file untgz.c.

Referenced by tar().

SYMTYPE

#define SYMTYPE   '2' /* reserved */

Definition at line 45 of file untgz.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
TGZ_EXTRACT
TGZ_LIST
TGZ_INVALID

Definition at line 103 of file untgz.c.

Function Documentation

error()

void error

(

const char *

msg

)

Definition at line 593 of file untgz.c.

References prog.

Referenced by main(), push_attr(), and tar().

ExprMatch()

int ExprMatch	(	char *	string,
		char *	expr
	)

Definition at line 290 of file untgz.c.

References ISSPECIAL.

Referenced by matchname().

getoct()

int getoct	(	char *	p,
		int	width
	)

Definition at line 168 of file untgz.c.

Referenced by tar().

help()

void help

(

int

exitval

)

Definition at line 581 of file untgz.c.

References zlibVersion().

Referenced by main().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 606 of file untgz.c.

References arg, error(), gzopen(), help(), NULL, prog, tar(), TGZ_EXTRACT, TGZ_LIST, TGZfname(), and TGZnotfound().

makedir()

int makedir

(

char *

newdir

)

Definition at line 328 of file untgz.c.

References free(), and prog.

Referenced by tar().

matchname()

int matchname	(	int	arg,
		int	argc,
		char **	argv,
		char *	fname
	)

Definition at line 371 of file untgz.c.

References ExprMatch().

Referenced by tar().

OF() [1/12]

char* TGZfname OF

(

(const char *)

)

OF() [2/12]

int getoct OF

(

(char *, int)

)

OF() [3/12]

char* strtime OF

(

(time_t *)

)

OF() [4/12]

int setfiletime OF

(

(char *, time_t)

)

OF() [5/12]

void push_attr OF

(

(struct attr_item **, char *, int, time_t)

)

OF() [6/12]

void restore_attr OF

(

(struct attr_item **)

)

OF() [7/12]

int ExprMatch OF

(

(char *, char *)

)

OF() [8/12]

int makedir OF

(

(char *)

)

OF() [9/12]

int matchname OF

(

(int, int, char **, char *)

)

OF() [10/12]

int tar OF

(

(gzFile, int, int, int, char **)

)

OF() [11/12]

void help OF

(

(int)

)

OF() [12/12]

int main OF

(

(int, char **)

)

push_attr()

void push_attr	(	struct attr_item **	list,
		char *	fname,
		int	mode,
		time_t	time
	)

Definition at line 253 of file untgz.c.

References error(), malloc(), and NULL.

Referenced by tar().

restore_attr()

void restore_attr

(

struct attr_item **

list

)

Definition at line 270 of file untgz.c.

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

Referenced by tar().

setfiletime()

int setfiletime	(	char *	fname,
		time_t	ftime
	)

Definition at line 206 of file untgz.c.

References if(), INVALID_HANDLE_VALUE, and NULL.

Referenced by restore_attr().

strtime()

char* strtime

(

time_t *

t

)

Definition at line 191 of file untgz.c.

References local.

Referenced by tar().

tar()

int tar	(	gzFile	in,
		int	action,
		int	arg,
		int	argc,
		char **	argv
	)

Definition at line 386 of file untgz.c.

References AREGTYPE, BLOCKSIZE, DIRTYPE, error(), getoct(), GNUTYPE_LONGLINK, GNUTYPE_LONGNAME, gzclose(), gzerror(), gzread(), makedir(), matchname(), NULL, outfile, prog, push_attr(), REGTYPE, restore_attr(), SHORTNAMESIZE, strtime(), TGZ_EXTRACT, TGZ_INVALID, TGZ_LIST, and Z_OK.

Referenced by main().

TGZfname()

char* TGZfname

(

const char *

arcname

)

Definition at line 132 of file untgz.c.

References i, NULL, and TGZsuffix.

Referenced by main().

TGZnotfound()

void TGZnotfound

(

const char *

arcname

)

Definition at line 152 of file untgz.c.

References i, prog, and TGZsuffix.

Referenced by main().

Variable Documentation

prog

char* prog

Definition at line 125 of file untgz.c.

Referenced by error(), main(), makedir(), tar(), and TGZnotfound().

TGZsuffix

const char* TGZsuffix[] = { "\0", ".tar", ".tar.gz", ".taz", ".tgz", NULL }

Definition at line 127 of file untgz.c.

Referenced by TGZfname(), and TGZnotfound().