409 lines
11 KiB
C
409 lines
11 KiB
C
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/* $Source: /u/mark/src/pax/RCS/pax.h,v $
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*
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* $Revision: 1.2 $
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*
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* pax.h - defnitions for entire program
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*
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* DESCRIPTION
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*
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* This file contains most all of the definitions required by the PAX
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* software. This header is included in every source file.
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*
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* AUTHOR
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*
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* Mark H. Colburn, NAPS International (mark@jhereg.mn.org)
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*
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* Sponsored by The USENIX Association for public distribution.
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*
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* Copyright (c) 1989 Mark H. Colburn.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by Mark H. Colburn and sponsored by The USENIX Association.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef _PAX_H
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#define _PAX_H
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/* Headers */
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#include "config.h"
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#include "limits.h"
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#include <stdio.h>
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#ifdef __STDC__ /* Xn */
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# include <stdlib.h> /* Xn */
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#endif /* Xn */
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#include <errno.h>
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#include <signal.h>
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#include <ctype.h>
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#include <sys/types.h>
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#ifdef _POSIX_SOURCE /* Xn */
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# include <utime.h> /* Xn */
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# include <unistd.h> /* Xn */
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#else /* Xn */
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# include <sys/ioctl.h> /* Xn */
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#endif /* Xn */
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#include <sys/stat.h>
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#include "regexp.h"
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#if defined(DIRENT) || defined(_POSIX_SOURCE)
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# ifdef PAXDIR
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# include "paxdir.h"
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# else
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# include <dirent.h>
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# endif
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#else
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# ifdef hpux
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# include <ndir.h>
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# else
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# ifdef XENIX_286
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# include <sys/ndir.h>
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# else /* XENIX_286 */
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# include <sys/dir.h>
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# endif /* XENIX_286 */
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# endif /* hpux */
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# define dirent direct
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#endif
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#ifndef major
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# include <sys/sysmacros.h>
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#endif /* major */
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#ifdef SYSTIME
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# include <sys/time.h>
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#else /* SYSTIME */
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# include <time.h>
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#endif /* SYSTIME */
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#ifndef V7
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# include <fcntl.h>
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#endif
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#ifdef XENIX
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# include <sys/inode.h>
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#endif
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#ifdef XENIX_286
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#include <sys/param.h>
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#endif /* XENIX_286 */
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#include <pwd.h>
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#include <grp.h>
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#ifndef XENIX_286
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# ifndef _POSIX_SOURCE /* Xn */
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# include <sys/file.h> /* Xn */
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# endif /* _POSIX_SOURCE */ /* Xn */
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#endif /* XENIX_286 */
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/* Defines */
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#ifdef _POSIX_SOURCE /* Xn */
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# define STDIN STDIN_FILENO /* Standard input file descriptor */ /* Xn */
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# define STDOUT STDOUT_FILENO /* Standard output file descriptor */ /* Xn */
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#else /* Xn */
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# define STDIN 0 /* Standard input file descriptor */ /* Xn */
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# define STDOUT 1 /* Standard output file descriptor */ /* Xn */
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#endif /* Xn */
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/*
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* Open modes; there is no <fcntl.h> with v7 UNIX and other versions of
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* UNIX may not have all of these defined...
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*/
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#ifndef O_RDONLY
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# define O_RDONLY 0
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#endif
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#ifndef O_WRONLY
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# define O_WRONLY 1
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#endif
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#ifndef O_RDWR
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# define O_RDWR 2 /* Xn */
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#endif
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#ifndef O_BINARY
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# define O_BINARY 0
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#endif
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/* Xn */
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/* Xn
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* Lseek symbolic constants; there is no <unistd.h> with most UNIXes, so Xn
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* all of these may not be defined... Xn
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*/ /* Xn */
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/* Xn */
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#ifndef SEEK_SET /* Xn */
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# define SEEK_SET 0 /* Xn */
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#endif /* Xn */
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/* Xn */
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#ifndef SEEK_CUR /* Xn */
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# define SEEK_CUR 1 /* Xn */
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#endif /* Xn */
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/* Xn */
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#ifndef SEEK_END /* Xn */
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# define SEEK_END 2 /* Xn */
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#endif /* Xn */
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#ifndef NULL
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# ifdef __STDC__ /* Xn */
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# define NULL ((void *) 0) /* Xn */
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# else /* Xn */
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# define NULL ((char *) 0) /* Xn */
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# endif /* Xn */
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#endif
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#define TMAGIC "ustar" /* ustar and a null */
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#define TMAGLEN 6
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#define TVERSION "00" /* 00 and no null */
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#define TVERSLEN 2
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/* Values used in typeflag field */
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#define REGTYPE '0' /* Regular File */
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#define AREGTYPE '\0' /* Regular File */
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#define LNKTYPE '1' /* Link */
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#define SYMTYPE '2' /* Reserved */
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#define CHRTYPE '3' /* Character Special File */
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#define BLKTYPE '4' /* Block Special File */
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#define DIRTYPE '5' /* Directory */
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#define FIFOTYPE '6' /* FIFO */
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#define CONTTYPE '7' /* Reserved */
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#define SOCKTYPE 'S' /* Socket */ /* Xn */
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#define BLOCKSIZE 512 /* all output is padded to 512 bytes */
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#define uint unsigned int /* Not always in types.h */
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#define ushort unsigned short /* Not always in types.h */
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#define BLOCK 5120 /* Default archive block size */
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#define H_COUNT 10 /* Number of items in ASCII header */
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#define H_PRINT "%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo"
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#define H_SCAN "%6ho%6ho%6ho%6ho%6ho%6ho%6ho%11lo%6o%11lo"
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#define H_STRLEN 70 /* ASCII header string length */
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#define M_ASCII "070707" /* ASCII magic number */
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#define M_BINARY 070707 /* Binary magic number */
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#define M_STRLEN 6 /* ASCII magic number length */
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#define PATHELEM 256 /* Pathname element count limit */
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#define S_IFSHF 12 /* File type shift (shb in stat.h) */
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#ifndef S_IPERM /* Xn */
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# define S_IPERM 07777 /* File permission bits (shb in stat.h) */ /* Xn */
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#endif /* Xn */
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#define S_IPEXE 07000 /* Special execution bits (shb in stat.h) */
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#define S_IPOPN 0777 /* Open access bits (shb in stat.h) */
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/*
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* Trailer pathnames. All must be of the same length.
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*/
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#define TRAILER "TRAILER!!!" /* Archive trailer (cpio compatible) */
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#define TRAILZ 11 /* Trailer pathname length (including null) */
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#include "port.h"
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#define TAR 1
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#define CPIO 2
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#define PAX 3
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#define AR_READ 0
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#define AR_WRITE 1
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#define AR_EXTRACT 2
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#define AR_APPEND 4
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/*
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* Header block on tape.
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*/
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#define NAMSIZ 100
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#define PFIXSIZ 155
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#define TUNMLEN 32
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#define TGNMLEN 32
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/* The checksum field is filled with this while the checksum is computed. */
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#define CHKBLANKS " " /* 8 blanks, no null */
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/*
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* Exit codes from the "tar" program
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*/
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#define EX_SUCCESS 0 /* success! */
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#define EX_ARGSBAD 1 /* invalid args */
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#define EX_BADFILE 2 /* invalid filename */
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#define EX_BADARCH 3 /* bad archive */
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#define EX_SYSTEM 4 /* system gave unexpected error */
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#define ROUNDUP(a,b) (((a) % (b)) == 0 ? (a) : ((a) + ((b) - ((a) % (b)))))
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/*
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* Mininum value.
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*/
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#define MIN(a, b) (((a) < (b)) ? (a) : (b))
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/*
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* Remove a file or directory.
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*/
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#define REMOVE(name, asb) \
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(((asb)->sb_mode & S_IFMT) == S_IFDIR ? rmdir(name) : unlink(name))
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/*
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* Cast and reduce to unsigned short.
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*/
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#define USH(n) ((n) & 0777777)
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/* Type Definitions */
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/*
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* Binary archive header (obsolete).
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*/
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typedef struct {
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short b_dev; /* Device code */
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ushort b_ino; /* Inode number */
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ushort b_mode; /* Type and permissions */
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ushort b_uid; /* Owner */
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ushort b_gid; /* Group */
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short b_nlink; /* Number of links */
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short b_rdev; /* Real device */
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ushort b_mtime[2]; /* Modification time (hi/lo) */
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ushort b_name; /* Length of pathname (with null) */
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ushort b_size[2]; /* Length of data */
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} Binary;
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/*
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* File status with symbolic links. Kludged to hold symbolic link pathname
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* within structure.
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*/
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typedef struct {
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struct stat sb_stat;
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char sb_link[PATH_MAX + 1];
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} Stat;
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#define STAT(name, asb) stat(name, &(asb)->sb_stat)
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#define FSTAT(fd, asb) fstat(fd, &(asb)->sb_stat)
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#define sb_dev sb_stat.st_dev
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#define sb_ino sb_stat.st_ino
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#define sb_mode sb_stat.st_mode
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#define sb_nlink sb_stat.st_nlink
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#define sb_uid sb_stat.st_uid
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#define sb_gid sb_stat.st_gid
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#define sb_rdev sb_stat.st_rdev
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#define sb_size sb_stat.st_size
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#define sb_atime sb_stat.st_atime
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#define sb_mtime sb_stat.st_mtime
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#define sb_ctime sb_stat.st_ctime
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#ifdef S_IFLNK
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# define LSTAT(name, asb) lstat(name, &(asb)->sb_stat)
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# define sb_blksize sb_stat.st_blksize
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# define sb_blocks sb_stat.st_blocks
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#else /* S_IFLNK */
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/*
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* File status without symbolic links.
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*/
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# define LSTAT(name, asb) stat(name, &(asb)->sb_stat)
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#endif /* S_IFLNK */
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/*
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* Hard link sources. One or more are chained from each link structure.
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*/
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typedef struct name {
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struct name *p_forw; /* Forward chain (terminated) */
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struct name *p_back; /* Backward chain (circular) */
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char *p_name; /* Pathname to link from */
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} Path;
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/*
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* File linking information. One entry exists for each unique file with with
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* outstanding hard links.
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*/
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typedef struct link {
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struct link *l_forw; /* Forward chain (terminated) */
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struct link *l_back; /* Backward chain (terminated) */
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dev_t l_dev; /* Device */
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ino_t l_ino; /* Inode */
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ushort l_nlink; /* Unresolved link count */
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OFFSET l_size; /* Length */
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char *l_name; /* pathname to link from */
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Path *l_path; /* Pathname which link to l_name */
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} Link;
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/*
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* Structure for ed-style replacement strings (-s option).
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*/
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typedef struct replstr {
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regexp *comp; /* compiled regular expression */
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char *replace; /* replacement string */
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char print; /* >0 if we are to print replacement */
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char global; /* >0 if we are to replace globally */
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struct replstr *next; /* pointer to next record */
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} Replstr;
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/*
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* This has to be included here to insure that all of the type
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* delcarations are declared for the prototypes.
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*/
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#include "func.h"
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#ifndef NO_EXTERN
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/* Globally Available Identifiers */
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extern char *ar_file;
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extern char *bufend;
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extern char *bufstart;
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extern char *bufidx;
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extern char *myname;
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extern int archivefd;
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extern int blocking;
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extern uint blocksize;
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extern int gid;
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extern int head_standard;
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extern int ar_interface;
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extern int ar_format;
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extern int mask;
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extern int ttyf;
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extern int uid;
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extern OFFSET total;
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extern short areof;
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extern short f_append;
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extern short f_create;
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extern short f_extract;
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extern short f_follow_links;
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extern short f_interactive;
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extern short f_linksleft;
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extern short f_list;
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extern short f_modified;
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extern short f_verbose;
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extern short f_link;
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||
|
|
extern short f_owner;
|
||
|
|
extern short f_access_time;
|
||
|
|
extern short f_pass;
|
||
|
|
extern short f_quiet; /* Xn */
|
||
|
|
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;
|
||
|
|
extern int sys_nerr;
|
||
|
|
extern char *sys_errlist[];
|
||
|
|
#ifndef _POSIX_SOURCE /* Xn */
|
||
|
|
extern int errno;
|
||
|
|
#endif /* Xn */
|
||
|
|
|
||
|
|
#endif /* _PAX_H */
|