Add the DragonFly cvs id and perform general cleanups on cvs/rcs/sccs ids. Most
[dragonfly.git] / bin / pax / tar.h
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1/*-
2 * Copyright (c) 1992 Keith Muller.
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Keith Muller of the University of California, San Diego.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)tar.h 8.2 (Berkeley) 4/18/94
38 * $FreeBSD: src/bin/pax/tar.h,v 1.6 1999/08/27 23:14:47 peter Exp $
1de703da 39 * $DragonFly: src/bin/pax/tar.h,v 1.2 2003/06/17 04:22:50 dillon Exp $
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40 */
41
42/*
43 * defines and data structures common to all tar formats
44 */
45#define CHK_LEN 8 /* length of checksum field */
46#define TNMSZ 100 /* size of name field */
47#ifdef _PAX_
48#define NULLCNT 2 /* number of null blocks in trailer */
49#define CHK_OFFSET 148 /* start of checksum field */
50#define BLNKSUM 256L /* sum of checksum field using ' ' */
51#endif /* _PAX_ */
52
53/*
54 * Values used in typeflag field in all tar formats
55 * (only REGTYPE, LNKTYPE and SYMTYPE are used in old BSD tar headers)
56 */
57#define REGTYPE '0' /* Regular File */
58#define AREGTYPE '\0' /* Regular File */
59#define LNKTYPE '1' /* Link */
60#define SYMTYPE '2' /* Symlink */
61#define CHRTYPE '3' /* Character Special File */
62#define BLKTYPE '4' /* Block Special File */
63#define DIRTYPE '5' /* Directory */
64#define FIFOTYPE '6' /* FIFO */
65#define CONTTYPE '7' /* high perf file */
66
67/*
68 * Mode field encoding of the different file types - values in octal
69 */
70#define TSUID 04000 /* Set UID on execution */
71#define TSGID 02000 /* Set GID on execution */
72#define TSVTX 01000 /* Reserved */
73#define TUREAD 00400 /* Read by owner */
74#define TUWRITE 00200 /* Write by owner */
75#define TUEXEC 00100 /* Execute/Search by owner */
76#define TGREAD 00040 /* Read by group */
77#define TGWRITE 00020 /* Write by group */
78#define TGEXEC 00010 /* Execute/Search by group */
79#define TOREAD 00004 /* Read by other */
80#define TOWRITE 00002 /* Write by other */
81#define TOEXEC 00001 /* Execute/Search by other */
82
83#ifdef _PAX_
84/*
85 * Pad with a bit mask, much faster than doing a mod but only works on powers
86 * of 2. Macro below is for block of 512 bytes.
87 */
88#define TAR_PAD(x) ((512 - ((x) & 511)) & 511)
89#endif /* _PAX_ */
90
91/*
92 * structure of an old tar header as it appeared in BSD releases
93 */
94typedef struct {
95 char name[TNMSZ]; /* name of entry */
96 char mode[8]; /* mode */
97 char uid[8]; /* uid */
98 char gid[8]; /* gid */
99 char size[12]; /* size */
100 char mtime[12]; /* modification time */
101 char chksum[CHK_LEN]; /* checksum */
102 char linkflag; /* norm, hard, or sym. */
103 char linkname[TNMSZ]; /* linked to name */
104} HD_TAR;
105
106#ifdef _PAX_
107/*
108 * -o options for BSD tar to not write directories to the archive
109 */
110#define TAR_NODIR "nodir"
111#define TAR_OPTION "write_opt"
112
113/*
114 * default device names
115 */
116#define DEV_0 "/dev/rmt0"
117#define DEV_1 "/dev/rmt1"
118#define DEV_4 "/dev/rmt4"
119#define DEV_5 "/dev/rmt5"
120#define DEV_7 "/dev/rmt7"
121#define DEV_8 "/dev/rmt8"
122#endif /* _PAX_ */
123
124/*
125 * Data Interchange Format - Extended tar header format - POSIX 1003.1-1990
126 */
127#define TPFSZ 155
128#define TMAGIC "ustar" /* ustar and a null */
129#define TMAGLEN 6
130#define TVERSION "00" /* 00 and no null */
131#define TVERSLEN 2
132
133typedef struct {
134 char name[TNMSZ]; /* name of entry */
135 char mode[8]; /* mode */
136 char uid[8]; /* uid */
137 char gid[8]; /* gid */
138 char size[12]; /* size */
139 char mtime[12]; /* modification time */
140 char chksum[CHK_LEN]; /* checksum */
141 char typeflag; /* type of file. */
142 char linkname[TNMSZ]; /* linked to name */
143 char magic[TMAGLEN]; /* magic cookie */
144 char version[TVERSLEN]; /* version */
145 char uname[32]; /* ascii owner name */
146 char gname[32]; /* ascii group name */
147 char devmajor[8]; /* major device number */
148 char devminor[8]; /* minor device number */
149 char prefix[TPFSZ]; /* linked to name */
150} HD_USTAR;