Ultrix-3.1/src/cmd/tar/tar.h
/**********************************************************************
* Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. *
* All Rights Reserved. *
* Reference "/usr/src/COPYRIGHT" for applicable restrictions. *
**********************************************************************/
/*
* 18-Dec-85 tar.h tar include file
*/
/*
* SCSSID: @(#)tar.h 3.0 (ULTRIX-11) 4/22/86
*/
#ifdef PRO
#define U11
#endif
/*
*
* Modification/Revision history:
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* revision comments
* -------- -----------------------------------------------
*
* 17.x Ray Glaser, 18-Dec-85
* Create orginal version
*
*
* File name:
*
* tar.h
*
* Source file description:
*
* This file contains variable & constant
* declarations & definitions for the
* various tar source modules.
*/
/*.sbttl Includes, #defines, & Structure declarations */
/* Generic includes..
*/
#include <stdio.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <sys/dir.h>
#include <grp.h>
#include <pwd.h>
#include <signal.h>
#include <errno.h>
#include <a.out.h>
/*
*
* Ultrix-32 specific includes...
*/
#ifndef U11
#include <sys/ioctl.h>
#include <sys/time.h>
#endif
#ifdef DEBUG
#include "mtio.h"
#else
#include <sys/mtio.h>
#endif
/* typedefs - for better readability.
*/
typedef int COUNTER;
typedef int COUNT_INDEX;
#ifndef PRO
typedef short int FLAG;
#else
typedef int FLAG;
#endif
typedef int FILE_D;
typedef int INDEX;
typedef int SIZE_I;
typedef long SIZE_L;
typedef char *STRING_POINTER;
/*
*
* Ultrix-11 Specific includes...and auxilary definitions
*/
#ifdef U11
#include <time.h>
#ifdef PRO
#define rmdir unlink
#define S_IFLNK 0120000
#include <sys/ioctl.h>
#endif
/* ACCESS(2)
*/
#define MAXPATHLEN 256
#endif
/*-------*\
Constants
\*-------*/
#define A_WRITE_ERR 0
#define FAIL -1
#define FALSE 0
#define MAXARCHIVE 99
#define N 200
#define NAMSIZ 100 /* Maximum length a path/file name allowed
* in a tar header block.
*/
#define NBLOCK 20 /* Number of TBLOCKs blocked for one
* read/write call.
*/
/* Symbolically define various "types" of tar headers liable to be
* encountered.
* NOTE:
*
* The logic depends on form "OTA" being the lowest
* defined value.
*/
#define OTA 1 /* File was written by a very old tar. Does not
* contain any fields defined after linkname[].
* ie. Original Tar Archive format.
*/
#define OUA 2 /* File was written by an older version of Ultrix tar.
* ie. The field following linkname[] may contain
* special device (major/minor) numbers.
*/
#define UGS 3 /* File was written by a tar conforming to the
* User group standard. Contains fields up to
* UEGdummy[] in the header.
*/
#define UMA 4 /* File was written by Ultrix tar using multi-archive
* extension fields in the header.
*/
#define RGRP 040
#define ROTH 04
#define ROWN 0400
#define SGID 02000
#define SUCCEED 1
#define SUID 04000
#define STXT 01000
#define TBLOCK 512 /* Size of a tape block */
#define TCKSLEN 8
#define TDEVLEN 8
#define TGIDLEN 8
#define TGNMLEN 32
#define TMAGIC "ustar "
#define TMAGLEN 8
#define TMTMLEN 12
#define TMODLEN 8
#define TRUE 1
#define TSIZLEN 12
#define TUIDLEN 8
#define TUNMLEN 32
#define TVLEN 3
#define WGRP 020
#define WOTH 02
#define WOWN 0200
#define XGRP 010
#define XOTH 01
#define XOWN 0100
/* Values used in the "typeflag" field of tar header block
*/
#define REGTYPE '0' /* Regular file */
#define AREGTYPE ' ' /* Regular file */
/* binary 0 Regular file */
#define LNKTYPE '1' /* Hard link */
#define SYMTYPE '2' /* Symbolic link */
#define CHRTYPE '3' /* Character special */
#define BLKTYPE '4' /* Block special */
#define DIRTYPE '5' /* Directory */
#define FIFOTYPE '6' /* FIFO special */
#define CONTTYPE '7' /* Contiguous file */
/*--------*\
Structures
\*--------*/
#ifdef TARmln
/* OLD style tar header format.
* (+ Ultrix added rdev[6] field for special devices)
*/
#if 0
union hblock {
char dummy[TBLOCK];
struct header {
char name[NAMSIZ];
char mode[8];
char uid[8];
char gid[8];
char size[12];
char mtime[12];
char chksum[8];
char linkflag;
char linkname[NAMSIZ];
char rdev[6];
} dbuf;
};
#endif
/*
* NEW TAR HEADER FORMAT: User Group Standard
* + Ultrix extensions for multi-archive.
*/
union hblock {
char dummy[TBLOCK];
struct header {
char name[NAMSIZ]; /* Pathname of file */
char mode[TMODLEN]; /* Permissions/modes of file */
char uid[TUIDLEN]; /* User ID of file owner */
char gid[TGIDLEN]; /* Group ID of file owner */
char size[TSIZLEN]; /* Number of bytes in file */
char mtime[TMTMLEN]; /* Modification time of file */
char chksum[TCKSLEN]; /* Checksum of header values */
char typeflag; /* Specifies this files' type
* Formerly named -> linkflag */
char linkname[NAMSIZ]; /* Linked-to file name */
/*
* Point of departure from very old original
* tar header format and older Ultrix format.
* Start of User Group standard extension fields.
*/
char magic[TMAGLEN]; /* Value == TMAGIC to identify
* new archive format */
/* Is rdev[6] field for older
* Ultrix archive formats */
char uname[TUNMLEN]; /* File owner user name */
char gname[TGNMLEN]; /* File owner group name */
/* Next 2 fields apply only to
* device special files. */
char devmajor[TDEVLEN]; /* Major device number */
char devminor[TDEVLEN]; /* Minor device number */
/*
* Point of departure from User Group standard
* extension fields.
* Start of ULTRIX multi-archive extension fields.
*/
char UEGdummy[1];/* Dummy to align Ultrix fields */
/* Archive numbers are ASCII 01 - 99 */
char carch[TVLEN];/* Number of this (current) archive */
char oarch[TVLEN];/* Orginal archive # on which this
* file was begun */
char org_size[TSIZLEN];/* Original size of file if
* this is a continued file. */
} dbuf;
};
/*
* As an EOA (End Of Archive) indicator, tar will write the above form
* of a directory block with these changes to identify it as an EOA.
* The EOA block is written AFTER the 2 normal zero blocks that older
* versions of tar use to indicate the end of archive. This is done
* in order to prevent them crashing when reading a multi-archive
* archive produced by this version of tar/mdtar.
*
* a. The name field will contain the name of the file
* that has been "split" across an archive.
*
* b. All other fields will contain ASCII zeroes (as opposed
* to real zero bytes) to flag this as the EOA record.
*
* c. The last archive of a set contains an EOA block filled
* with actual zeroes to indicate the end of the set.
*/
struct linkbuf {
int count;
dev_t devnum;
ino_t inum;
struct linkbuf *nextp;
char pathname[NAMSIZ];
};
struct DIRE {
dev_t rdev; /* device for directory */
ino_t inode; /* i-node number of file */
struct DIRE *dir_next; /* Pointer to next entry*/
};
/*.sbttl GLOBAL variable declarations */
/*--------------*\
Global Variables ~ Globals
\*--------------*/
char Archive[8] = "archive";
FLAG AFLAG = 0;
FLAG Bflag = 0;
FLAG bflag = 0;
SIZE_I blocks;
SIZE_L blocks_used = 0L;
daddr_t bsrch();
SIZE_L bytes;
union hblock cblock;
COUNT_INDEX CARCH = 1;/* Current archive number reading/writting.
*/
char CARCHS[3] = "1";
FLAG cflag = 0;
SIZE_L chctrs_in_this_chunk;
int chksum;
SIZE_L cmtime;
SIZE_L corgsize;
SIZE_L cremain;
COUNTER dcount1 = 0;
COUNTER dcount2 = 0;
COUNTER dcount3 = 0;
struct DIRE *Dhead; /* Head pointer to list of directories */
char DIRECT[13] = " (directory)";
union hblock dblock;
FLAG DFLAG = 0;
FLAG dflag = 0;
char eoa[4] = "EOA";
FLAG EOTFLAG = 0; /* End Of Tape flag */
FLAG EODFLAG = 0; /* End Of Disk flag */
extern int errno;
SIZE_L extracted_size = 0L;/* Size of a file extracted/tabled so far.
* Used when dealing
* with files split across archives.
*/
FLAG FEOT = 0; /* EOT detected in flushtape() */
FLAG FILE_CONTINUES = 0;
FLAG Fflag = 0;
FLAG fflag = 0;
char file_name[NAMSIZ+1];
FLAG first = 0;
int found = 0;
STRING_POINTER getcwd();
STRING_POINTER getwd();
struct passwd *getpwnam();
struct group *getgrgid();
struct group *getgrnam();
struct group *gp;
FLAG hdrtype = UMA; /* Defines the type of tar header block.
* See above defines or getdir();
*/
FLAG header_flag = 0;/* Normally true (1) when doing a multi-archive
* output to cause a continuation header for
* the current file to be written on the next
* archive. When a file EXACTLY fills the currnt
* physical media, this flag is set false (0)
* to inhibit the writting of a continuation
* header on the next archive as a NEW file will
* start fresh on the next archive.
*/
FLAG HELP;
FLAG hflag = 0;
daddr_t high;
char hdir[NAMSIZ];
FLAG iflag = 0;
struct linkbuf *ihead;
struct linkbuf *lp;
COUNTER lcount1 = 0;
COUNTER lcount2 = 0;
char iobuf[TBLOCK];
FLAG lflag = 0;
daddr_t low;
#ifndef U11
/* Ultrix-32/32m default device name string.
*/
char magtape[13] = "/dev/rmt8\0\0\0";
#endif
#ifdef U11
#ifdef PRO
/* Pro-350 default device name string.
*/
char magtape[11] = "/dev/rrx1\0";
#else
/* Ultrix-11 default device name string.
*/
char magtape[10] = "/dev/rht0";
#endif
#endif
char *malloc();
SIZE_I MAXAR = MAXARCHIVE;
FLAG MDTAR = 0; /* Flags whether or not we are invoked
* with the name "MDTAR" so that the
* code can assume that the output device
* is likely to be a diskette.
* The code is sensitive to whether the
* output device is a tape or diskette.
*/
char mdtar[6] = "mdtar";
FLAG MFLAG = 0;
FLAG mflag = 0;
FILE_D mt;
struct mtget mtsts;
struct mtop mtops;
FLAG MULTI = 0;
SIZE_I nblock = NBLOCK; /* Number of blocks user desires in a single
* read/write system call. */
FLAG new_file;
FLAG nextvol;
FLAG NFLAG = 0; /* Set -> No multi-archive or file-splitting
* across archives functions please.
* notset -> Perform multi-archive and
* file splitting across archives (default).
*/
int njab;
char NULS[1] = "";
FLAG NMEM4D = 0;
FLAG NMEM4L = 0;
FLAG OARCH = 0; /* Original archive number the current file
* began on. Used for multi-archive file
* operations.
*/
FLAG OFLAG = 0;
FLAG oflag = 0;
int onhup();
int onintr();
int onquit();
int onterm();
SIZE_L original_size = 0L;/* Original size of a file if split
* across archives
*/
FLAG pflag = 0;
FLAG pipein = 0; /* Flag set if input from pipe. */
char *progname;
FLAG PUTE = 0; /* Set when putting end of archive (empty)
* blocks out at end of all data
*/
INDEX recno = 0;
SIZE_L remaining_chctrs;/* Number of chctrs in the file that have not
* yet been placed on the output archive.
*/
SIZE_L written = 0L; /* Number of chctrs of the file written
*/
FLAG rflag = 0;
char *rindex();
FLAG SFLAG = 0; /* Flags that we want to output User Group
* standard archive format
*/
FLAG sflag = 0;
SIZE_L size_of_media[MAXARCHIVE+1];/* Default # of blocks on the device
* Zero assumes unlimited space.
*/
char *sprintf();
COUNTER start_archive = 1; /* Number of the archive to start with
* on output. Primarily intended to be
* used for error recovery when dumping
* a lot of files across many media.
*/
struct stat stbuf;
char *strcat();
char *strfind();
union hblock *tbuf;
FLAG term = 0;
FILE *tfile;
FLAG tflag = 0;
time_t modify_time;
char tname[15] = "/tmp/tarXXXXXX";
FLAG unitflag = 0; /* Flags that a unit # has been given */
char unitc; /* Unit number character. Used so that we can
* accept unit numbers and device character
* specifiers in any order */
char *usefile;
FLAG VFLAG = 0; /* Big VERBOSE requested flag */
FLAG vflag = 0; /* Little verbose requested flag */
FLAG volann = -1; /* Flags wether or not tar has announced the
* format / archive # of the current archive.
*/
FLAG VOLCHK = 0;
char wdir[NAMSIZ];
FLAG wflag = 0;
FLAG xflag = 0;
#endif
/*.sbttl External declarations for overlay modules */
#ifndef TARmln
extern union hblock {
char dummy[TBLOCK];
struct header {
char name[NAMSIZ]; /* Pathname of file */
char mode[TMODLEN]; /* Permissions/modes of file */
char uid[TUIDLEN]; /* User ID of file owner */
char gid[TGIDLEN]; /* Group ID of file owner */
char size[TSIZLEN]; /* Number of bytes in file */
char mtime[TMTMLEN]; /* Modification time of file */
char chksum[TCKSLEN]; /* Checksum of header values */
char typeflag; /* Specifies this files' type
* Formerly named -> linkflag */
char linkname[NAMSIZ]; /* Linked-to file name */
/*
* Point of departure from very old original
* tar header format and older Ultrix format.
* Start of User Group standard extension fields.
*/
char magic[TMAGLEN]; /* Value == TMAGIC to identify
* new archive format */
/* Is rdev[6] field for older
* Ultrix archive formats */
char uname[TUNMLEN]; /* File owner user name */
char gname[TGNMLEN]; /* File owner group name */
/* Next 2 fields apply only to
* device special files. */
char devmajor[TDEVLEN]; /* Major device number */
char devminor[TDEVLEN]; /* Minor device number */
/*
* Point of departure from User Group standard
* extension fields.
* Start of ULTRIX multi-archive extension fields.
*/
char UEGdummy[1];/* Dummy to align Ultrix fields */
/* Archive numbers are ASCII 01 - 99 */
char carch[TVLEN];/* Number of this (current) archive */
char oarch[TVLEN];/* Orginal archive # on which this
* file was begun */
char org_size[TSIZLEN];/* Original size of file if
* this is a continued file. */
} dbuf;
};
struct linkbuf {
int count;
dev_t devnum;
ino_t inum;
struct linkbuf *nextp;
char pathname[NAMSIZ];
};
struct DIRE {
dev_t rdev;
ino_t inode;
struct DIRE *dir_next;
};
/*--------------*\
Global Variables ~ Globals
\*--------------*/
extern char Archive[8];
extern FLAG AFLAG;
extern FLAG Bflag;
extern FLAG bflag;
extern SIZE_I blocks;
extern SIZE_L blocks_used;
extern daddr_t bsrch();
extern SIZE_L bytes;
extern union hblock cblock;
extern COUNT_INDEX CARCH;
extern char CARCHS[3];
extern FLAG cflag;
extern SIZE_L chctrs_in_this_chunk;
extern int chksum;
extern SIZE_L cmtime;
extern SIZE_L corgsize;
extern SIZE_L cremain;
extern COUNTER dcount1;
extern COUNTER dcount2;
extern COUNTER dcount3;
extern struct DIRE *Dhead;
extern char DIRECT[13];
extern union hblock dblock;
extern FLAG DFLAG;
extern FLAG dflag;
extern char eoa[4];
extern FLAG EOTFLAG;
extern FLAG EODFLAG;
extern int errno;
extern SIZE_L extracted_size;
extern FLAG FEOT;
extern FLAG FILE_CONTINUES;
extern FLAG Fflag;
extern FLAG fflag;
extern char file_name[NAMSIZ+1];
extern FLAG first;
extern int found;
extern STRING_POINTER getcwd();
extern STRING_POINTER getwd();
extern struct passwd *getpwnam();
extern struct group *getgrgid();
extern struct group *getgrnam();
extern struct group *gp;
extern FLAG hdrtype;
extern FLAG header_flag;
extern FLAG HELP;
extern FLAG hflag;
extern daddr_t high;
extern char hdir[NAMSIZ];
extern FLAG iflag;
extern struct linkbuf *ihead;
extern struct linkbuf *lp;
extern COUNTER lcount1;
extern COUNTER lcount2;
extern char iobuf[TBLOCK];
extern FLAG lflag;
extern daddr_t low;
#ifndef U11
/* Ultrix-32/32m default device name string.
*/
extern char magtape[13];
#endif
#ifdef U11
#ifdef PRO
/* Pro-350 default device name string.
*/
char magtape[11];
#else
/* Ultrix-11 default device name string.
*/
char magtape[10];
#endif
#endif
extern char *malloc();
extern SIZE_I MAXAR;
extern FLAG MDTAR;
extern char mdtar[6];
extern FLAG MFLAG;
extern FLAG mflag;
extern FILE_D mt;
extern struct mtget mtsts;
extern struct mtop mtops;
extern FLAG MULTI;
extern SIZE_I nblock;
extern FLAG new_file;
extern FLAG nextvol;
extern FLAG NFLAG;
extern int njab;
extern char NULS[1];
extern FLAG NMEM4D;
extern FLAG NMEM4L;
extern FLAG OARCH;
extern FLAG OFLAG;
extern FLAG oflag;
extern int onhup();
extern int onintr();
extern int onquit();
extern int onterm();
extern SIZE_L original_size;
extern FLAG pflag;
extern FLAG pipein;
extern char *progname;
extern FLAG PUTE;
extern INDEX recno;
extern SIZE_L remaining_chctrs;
extern int revwhole;
extern int revdec;
extern SIZE_L written;
extern FLAG rflag;
extern char *rindex();
extern FLAG SFLAG;
extern FLAG sflag;
extern SIZE_L size_of_media[MAXARCHIVE+1];
extern char *sprintf();
extern COUNTER start_archive;
extern struct stat stbuf;
extern char *strcat();
extern char *strfind();
extern union hblock *tbuf;
extern FLAG term;
extern FILE *tfile;
extern FLAG tflag;
extern time_t modify_time;
extern char tname[15];
extern FLAG unitflag;
extern char unitc;
extern char *usefile;
extern FLAG VFLAG;
extern FLAG vflag;
extern FLAG volann;
extern FLAG VOLCHK;
extern char wdir[NAMSIZ];
extern FLAG wflag;
extern FLAG xflag;
#endif