ref: 3c8246a31ce776976ee95310efa2c6e64a471993
dir: /sys/src/ape/cmd/pax/pax.h/
/* $Source: /u/mark/src/pax/RCS/pax.h,v $
*
* $Revision: 1.2 $
*
* pax.h - defnitions for entire program
*
* DESCRIPTION
*
* This file contains most all of the definitions required by the PAX
* software. This header is included in every source file.
*
* AUTHOR
*
* Mark H. Colburn, NAPS International (mark@jhereg.mn.org)
*
* Sponsored by The USENIX Association for public distribution.
*
* Copyright (c) 1989 Mark H. Colburn.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by Mark H. Colburn and sponsored by The USENIX Association.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef _PAX_H
#define _PAX_H
/* Headers */
#include "config.h"
#include "limits.h"
#include <stdio.h>
#include <errno.h>
#include <signal.h>
#include <ctype.h>
#include <sys/types.h>
#ifndef _POSIX_SOURCE
#include <sys/ioctl.h>
#endif
#include <sys/stat.h>
#include "regexp.h"
#if defined(DIRENT) || defined(_POSIX_SOURCE)
# ifdef PAXDIR
# include "paxdir.h"
# else
# include <dirent.h>
# endif
#else
# ifdef hpux
# include <ndir.h>
# else
# ifdef XENIX_286
# include <sys/ndir.h>
# else XENIX_286
# include <sys/dir.h>
# endif XENIX_286
# endif /* hpux */
# define dirent direct
#endif
#ifdef _POSIX_SOURCE
#define major(x) 0
#define minor(x) 0
#else
#ifndef major
# include <sys/sysmacros.h>
#endif /* major */
#endif
#ifdef SYSTIME
# include <sys/time.h>
#else /* SYSTIME */
# include <time.h>
#endif /* SYSTIME */
#ifndef V7
# include <fcntl.h>
#endif
#ifdef XENIX
# include <sys/inode.h>
#endif
#ifdef XENIX_286
#include <sys/param.h>
#endif XENIX_286
#include <pwd.h>
#include <grp.h>
#ifndef XENIX_286
#ifndef _POSIX_SOURCE
#include <sys/file.h>
#endif
#endif /* XENIX_286 */
#ifdef _POSIX_SOURCE
#include <unistd.h>
#include <stdlib.h>
#endif
/* Defines */
#define STDIN 0 /* Standard input file descriptor */
#define STDOUT 1 /* Standard output file descriptor */
/*
* Open modes; there is no <fcntl.h> with v7 UNIX and other versions of
* UNIX may not have all of these defined...
*/
#ifndef O_RDONLY
# define O_RDONLY 0
#endif
#ifndef O_WRONLY
# define O_WRONLY 1
#endif
#ifndef O_RDWR
# define O_WRONLY 2
#endif
#ifndef O_BINARY
# define O_BINARY 0
#endif
#ifndef NULL
# define NULL 0
#endif
#define TMAGIC "ustar" /* ustar and a null */
#define TMAGLEN 6
#define TVERSION "00" /* 00 and no null */
#define TVERSLEN 2
/* Values used in typeflag field */
#define REGTYPE '0' /* Regular File */
#define AREGTYPE '\0' /* Regular File */
#define LNKTYPE '1' /* Link */
#define SYMTYPE '2' /* Reserved */
#define CHRTYPE '3' /* Character Special File */
#define BLKTYPE '4' /* Block Special File */
#define DIRTYPE '5' /* Directory */
#define FIFOTYPE '6' /* FIFO */
#define CONTTYPE '7' /* Reserved */
#define BLOCKSIZE 512 /* all output is padded to 512 bytes */
#define uint unsigned int /* Not always in types.h */
#define ushort unsigned short /* Not always in types.h */
#define BLOCK 5120 /* Default archive block size */
#define H_COUNT 10 /* Number of items in ASCII header */
#define H_PRINT "%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo"
#define H_SCAN "%6ho%6ho%6ho%6ho%6ho%6ho%6ho%11lo%6o%11lo"
#define H_STRLEN 70 /* ASCII header string length */
#define M_ASCII "070707" /* ASCII magic number */
#define M_BINARY 070707 /* Binary magic number */
#define M_STRLEN 6 /* ASCII magic number length */
#define PATHELEM 256 /* Pathname element count limit */
#define S_IFSHF 12 /* File type shift (shb in stat.h) */
#define S_IPERM 07777 /* File permission bits (shb in stat.h) */
#define S_IPEXE 07000 /* Special execution bits (shb in stat.h) */
#define S_IPOPN 0777 /* Open access bits (shb in stat.h) */
#ifdef _POSIX_SOURCE
/* hack: depend on knowing bits out of stat.h for S_ISREG, etc. */
#define S_IFMT 0170000
#define S_IFREG 0100000
#define S_IFDIR 0040000
#define S_IFCHR 0020000
#define S_IFBLK 0060000
#define S_IFIFO 0010000
#endif
/*
* Trailer pathnames. All must be of the same length.
*/
#define TRAILER "TRAILER!!!" /* Archive trailer (cpio compatible) */
#define TRAILZ 11 /* Trailer pathname length (including null) */
#include "port.h"
#define TAR 1
#define CPIO 2
#define PAX 3
#define AR_READ 0
#define AR_WRITE 1
#define AR_EXTRACT 2
#define AR_APPEND 4
/*
* Header block on tape.
*/
#define NAMSIZ 100
#define PFIXSIZ 155
#define TUNMLEN 32
#define TGNMLEN 32
/* The checksum field is filled with this while the checksum is computed. */
#define CHKBLANKS " " /* 8 blanks, no null */
/*
* Exit codes from the "tar" program
*/
#define EX_SUCCESS 0 /* success! */
#define EX_ARGSBAD 1 /* invalid args */
#define EX_BADFILE 2 /* invalid filename */
#define EX_BADARCH 3 /* bad archive */
#define EX_SYSTEM 4 /* system gave unexpected error */
#define ROUNDUP(a,b) (((a) % (b)) == 0 ? (a) : ((a) + ((b) - ((a) % (b)))))
/*
* Mininum value.
*/
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
/*
* Remove a file or directory.
*/
#ifdef _POSIX_SOURCE
#define REMOVE(name, asb) \
(S_ISDIR((asb)->sb_mode)? rmdir(name) : unlink(name))
#else
#define REMOVE(name, asb) \
(((asb)->sb_mode & S_IFMT) == S_IFDIR ? rmdir(name) : unlink(name))
#endif
/*
* Cast and reduce to unsigned short.
*/
#define USH(n) (((ushort) (n)) & 0177777)
/* Type Definitions */
/*
* Binary archive header (obsolete).
*/
typedef struct {
short b_dev; /* Device code */
ushort b_ino; /* Inode number */
ushort b_mode; /* Type and permissions */
ushort b_uid; /* Owner */
ushort b_gid; /* Group */
short b_nlink; /* Number of links */
short b_rdev; /* Real device */
ushort b_mtime[2]; /* Modification time (hi/lo) */
ushort b_name; /* Length of pathname (with null) */
ushort b_size[2]; /* Length of data */
} Binary;
/*
* File status with symbolic links. Kludged to hold symbolic link pathname
* within structure.
*/
typedef struct {
struct stat sb_stat;
char sb_link[PATH_MAX + 1];
} Stat;
#define STAT(name, asb) stat(name, &(asb)->sb_stat)
#define FSTAT(fd, asb) fstat(fd, &(asb)->sb_stat)
#define sb_dev sb_stat.st_dev
#define sb_ino sb_stat.st_ino
#define sb_mode sb_stat.st_mode
#define sb_nlink sb_stat.st_nlink
#define sb_uid sb_stat.st_uid
#define sb_gid sb_stat.st_gid
#define sb_rdev sb_stat.st_rdev
#define sb_size sb_stat.st_size
#define sb_atime sb_stat.st_atime
#define sb_mtime sb_stat.st_mtime
#define sb_ctime sb_stat.st_ctime
#ifdef S_IFLNK
# define LSTAT(name, asb) lstat(name, &(asb)->sb_stat)
# define sb_blksize sb_stat.st_blksize
# define sb_blocks sb_stat.st_blocks
#else /* S_IFLNK */
/*
* File status without symbolic links.
*/
# define LSTAT(name, asb) stat(name, &(asb)->sb_stat)
#endif /* S_IFLNK */
/*
* Hard link sources. One or more are chained from each link structure.
*/
typedef struct name {
struct name *p_forw; /* Forward chain (terminated) */
struct name *p_back; /* Backward chain (circular) */
char *p_name; /* Pathname to link from */
} Path;
/*
* File linking information. One entry exists for each unique file with with
* outstanding hard links.
*/
typedef struct link {
struct link *l_forw; /* Forward chain (terminated) */
struct link *l_back; /* Backward chain (terminated) */
dev_t l_dev; /* Device */
ino_t l_ino; /* Inode */
ushort l_nlink; /* Unresolved link count */
OFFSET l_size; /* Length */
char *l_name; /* pathname to link from */
Path *l_path; /* Pathname which link to l_name */
} Link;
/*
* Structure for ed-style replacement strings (-s option).
*/
typedef struct replstr {
regexp *comp; /* compiled regular expression */
char *replace; /* replacement string */
char print; /* >0 if we are to print replacement */
char global; /* >0 if we are to replace globally */
struct replstr *next; /* pointer to next record */
} Replstr;
/*
* This has to be included here to insure that all of the type
* delcarations are declared for the prototypes.
*/
#ifndef STRERROR
/* boofheads have a different interface than standard, so rename */
#define strerror xstrerror
#endif
#include "func.h"
#ifndef NO_EXTERN
/* Globally Available Identifiers */
extern char *ar_file;
extern char *bufend;
extern char *bufstart;
extern char *bufidx;
extern char *myname;
extern int archivefd;
extern int blocking;
extern uint blocksize;
extern int gid;
extern int head_standard;
extern int ar_interface;
extern int ar_format;
extern int mask;
extern int ttyf;
extern int uid;
extern OFFSET total;
extern short areof;
extern short f_append;
extern short f_create;
extern short f_extract;
extern short f_follow_links;
extern short f_interactive;
extern short f_linksleft;
extern short f_list;
extern short f_modified;
extern short f_verbose;
extern short f_link;
extern short f_owner;
extern short f_access_time;
extern short f_pass;
extern short f_pass;
extern short f_disposition;
extern short f_reverse_match;
extern short f_mtime;
extern short f_dir_create;
extern short f_unconditional;
extern short f_newer;
extern time_t now;
extern uint arvolume;
extern int names_from_stdin;
extern Replstr *rplhead;
extern Replstr *rpltail;
extern char **n_argv;
extern int n_argc;
extern FILE *msgfile;
#endif /* NO_EXTERN */
extern char *optarg;
extern int optind;
#ifndef _POSIX_SOURCE
extern int sys_nerr;
extern char *sys_errlist[];
#endif
extern int errno;
#endif /* _PAX_H */