fbbd9655e5
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
146 lines
5.1 KiB
C
146 lines
5.1 KiB
C
/*-
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* Copyright (c) 1992 Keith Muller.
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Keith Muller of the University of California, San Diego.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)tar.h 8.2 (Berkeley) 4/18/94
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* $FreeBSD$
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*/
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/*
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* defines and data structures common to all tar formats
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*/
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#define CHK_LEN 8 /* length of checksum field */
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#define TNMSZ 100 /* size of name field */
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#ifdef _PAX_
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#define NULLCNT 2 /* number of null blocks in trailer */
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#define CHK_OFFSET 148 /* start of checksum field */
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#define BLNKSUM 256L /* sum of checksum field using ' ' */
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#endif /* _PAX_ */
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/*
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* Values used in typeflag field in all tar formats
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* (only REGTYPE, LNKTYPE and SYMTYPE are used in old BSD tar headers)
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*/
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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' /* Symlink */
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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' /* high perf file */
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/*
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* Mode field encoding of the different file types - values in octal
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*/
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#define TSUID 04000 /* Set UID on execution */
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#define TSGID 02000 /* Set GID on execution */
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#define TSVTX 01000 /* Reserved */
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#define TUREAD 00400 /* Read by owner */
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#define TUWRITE 00200 /* Write by owner */
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#define TUEXEC 00100 /* Execute/Search by owner */
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#define TGREAD 00040 /* Read by group */
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#define TGWRITE 00020 /* Write by group */
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#define TGEXEC 00010 /* Execute/Search by group */
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#define TOREAD 00004 /* Read by other */
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#define TOWRITE 00002 /* Write by other */
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#define TOEXEC 00001 /* Execute/Search by other */
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#ifdef _PAX_
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/*
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* Pad with a bit mask, much faster than doing a mod but only works on powers
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* of 2. Macro below is for block of 512 bytes.
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*/
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#define TAR_PAD(x) ((512 - ((x) & 511)) & 511)
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#endif /* _PAX_ */
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/*
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* structure of an old tar header as it appeared in BSD releases
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*/
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typedef struct {
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char name[TNMSZ]; /* name of entry */
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char mode[8]; /* mode */
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char uid[8]; /* uid */
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char gid[8]; /* gid */
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char size[12]; /* size */
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char mtime[12]; /* modification time */
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char chksum[CHK_LEN]; /* checksum */
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char linkflag; /* norm, hard, or sym. */
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char linkname[TNMSZ]; /* linked to name */
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} HD_TAR __aligned(1);
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#ifdef _PAX_
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/*
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* -o options for BSD tar to not write directories to the archive
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*/
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#define TAR_NODIR "nodir"
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#define TAR_OPTION "write_opt"
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/*
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* default device names
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*/
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#define DEV_0 "/dev/rmt0"
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#define DEV_1 "/dev/rmt1"
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#define DEV_4 "/dev/rmt4"
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#define DEV_5 "/dev/rmt5"
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#define DEV_7 "/dev/rmt7"
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#define DEV_8 "/dev/rmt8"
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#endif /* _PAX_ */
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/*
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* Data Interchange Format - Extended tar header format - POSIX 1003.1-1990
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*/
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#define TPFSZ 155
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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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typedef struct {
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char name[TNMSZ]; /* name of entry */
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char mode[8]; /* mode */
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char uid[8]; /* uid */
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char gid[8]; /* gid */
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char size[12]; /* size */
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char mtime[12]; /* modification time */
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char chksum[CHK_LEN]; /* checksum */
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char typeflag; /* type of file. */
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char linkname[TNMSZ]; /* linked to name */
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char magic[TMAGLEN]; /* magic cookie */
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char version[TVERSLEN]; /* version */
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char uname[32]; /* ascii owner name */
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char gname[32]; /* ascii group name */
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char devmajor[8]; /* major device number */
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char devminor[8]; /* minor device number */
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char prefix[TPFSZ]; /* linked to name */
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} HD_USTAR __aligned(1);
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