source: freewrt/tools/paxmirabilis/src/tar.h@ fdd4f59

freewrt_1_0 freewrt_2_0
Last change on this file since fdd4f59 was bceb42b, checked in by Thorsten Glaser <tg@…>, 19 years ago

wbx@ asked me a few seconds too late to use an src/ subdirectory

git-svn-id: ​svn://www.freewrt.org/trunk/freewrt@204 afb5a338-a214-0410-bd46-81f09a774fd1
  • Property mode set to 100644
File size: 5.3 KB
Line 
1/* $OpenBSD: tar.h,v 1.7 2003/06/02 23:32:09 millert Exp $ */
2/* $NetBSD: tar.h,v 1.3 1995/03/21 09:07:51 cgd Exp $ */
3
4/*-
5 * Copyright (c) 1992 Keith Muller.
6 * Copyright (c) 1992, 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Keith Muller of the University of California, San Diego.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)tar.h 8.2 (Berkeley) 4/18/94
37 */
38
39/*
40 * defines and data structures common to all tar formats
41 */
42#define CHK_LEN 8 /* length of checksum field */
43#define TNMSZ 100 /* size of name field */
44#ifdef _PAX_
45#define NULLCNT 2 /* number of null blocks in trailer */
46#define CHK_OFFSET 148 /* start of chksum field */
47#define BLNKSUM 256L /* sum of checksum field using ' ' */
48#endif /* _PAX_ */
49
50/*
51 * Values used in typeflag field in all tar formats
52 * (only REGTYPE, LNKTYPE and SYMTYPE are used in old bsd tar headers)
53 */
54#define REGTYPE '0' /* Regular File */
55#define AREGTYPE '\0' /* Regular File */
56#define LNKTYPE '1' /* Link */
57#define SYMTYPE '2' /* Symlink */
58#define CHRTYPE '3' /* Character Special File */
59#define BLKTYPE '4' /* Block Special File */
60#define DIRTYPE '5' /* Directory */
61#define FIFOTYPE '6' /* FIFO */
62#define CONTTYPE '7' /* high perf file */
63
64/*
65 * GNU tar compatibility;
66 */
67#define LONGLINKTYPE 'K' /* Long Symlink */
68#define LONGNAMETYPE 'L' /* Long File */
69
70/*
71 * Mode field encoding of the different file types - values in octal
72 */
73#define TSUID 04000 /* Set UID on execution */
74#define TSGID 02000 /* Set GID on execution */
75#define TSVTX 01000 /* Reserved */
76#define TUREAD 00400 /* Read by owner */
77#define TUWRITE 00200 /* Write by owner */
78#define TUEXEC 00100 /* Execute/Search by owner */
79#define TGREAD 00040 /* Read by group */
80#define TGWRITE 00020 /* Write by group */
81#define TGEXEC 00010 /* Execute/Search by group */
82#define TOREAD 00004 /* Read by other */
83#define TOWRITE 00002 /* Write by other */
84#define TOEXEC 00001 /* Execute/Search by other */
85
86#ifdef _PAX_
87/*
88 * Pad with a bit mask, much faster than doing a mod but only works on powers
89 * of 2. Macro below is for block of 512 bytes.
90 */
91#define TAR_PAD(x) ((512 - ((x) & 511)) & 511)
92#endif /* _PAX_ */
93
94/*
95 * structure of an old tar header as it appeared in BSD releases
96 */
97typedef struct {
98 char name[TNMSZ]; /* name of entry */
99 char mode[8]; /* mode */
100 char uid[8]; /* uid */
101 char gid[8]; /* gid */
102 char size[12]; /* size */
103 char mtime[12]; /* modification time */
104 char chksum[CHK_LEN]; /* checksum */
105 char linkflag; /* norm, hard, or sym. */
106 char linkname[TNMSZ]; /* linked to name */
107} HD_TAR;
108
109#ifdef _PAX_
110/*
111 * -o options for BSD tar to not write directories to the archive
112 */
113#define TAR_NODIR "nodir"
114#define TAR_OPTION "write_opt"
115
116/*
117 * default device names
118 */
119#define DEV_0 "/dev/rst0"
120#define DEV_1 "/dev/rst1"
121#define DEV_4 "/dev/rst4"
122#define DEV_5 "/dev/rst5"
123#define DEV_7 "/dev/rst7"
124#define DEV_8 "/dev/rst8"
125#endif /* _PAX_ */
126
127/*
128 * Data Interchange Format - Extended tar header format - POSIX 1003.1-1990
129 */
130#define TPFSZ 155
131#define TMAGIC "ustar" /* ustar and a null */
132#define TMAGLEN 6
133#define TVERSION "00" /* 00 and no null */
134#define TVERSLEN 2
135
136typedef struct {
137 char name[TNMSZ]; /* name of entry */
138 char mode[8]; /* mode */
139 char uid[8]; /* uid */
140 char gid[8]; /* gid */
141 char size[12]; /* size */
142 char mtime[12]; /* modification time */
143 char chksum[CHK_LEN]; /* checksum */
144 char typeflag; /* type of file. */
145 char linkname[TNMSZ]; /* linked to name */
146 char magic[TMAGLEN]; /* magic cookie */
147 char version[TVERSLEN]; /* version */
148 char uname[32]; /* ascii owner name */
149 char gname[32]; /* ascii group name */
150 char devmajor[8]; /* major device number */
151 char devminor[8]; /* minor device number */
152 char prefix[TPFSZ]; /* linked to name */
153} HD_USTAR;
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