cpio.h revision 1.5 1 /* $NetBSD: cpio.h,v 1.5 2003/08/07 09:05:20 agc Exp $ */
2
3 /*-
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Keith Muller of the University of California, San Diego.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)cpio.h 8.1 (Berkeley) 5/31/93
35 */
36
37 /*-
38 * Copyright (c) 1992 Keith Muller.
39 *
40 * This code is derived from software contributed to Berkeley by
41 * Keith Muller of the University of California, San Diego.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. All advertising materials mentioning features or use of this software
52 * must display the following acknowledgement:
53 * This product includes software developed by the University of
54 * California, Berkeley and its contributors.
55 * 4. Neither the name of the University nor the names of its contributors
56 * may be used to endorse or promote products derived from this software
57 * without specific prior written permission.
58 *
59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69 * SUCH DAMAGE.
70 *
71 * @(#)cpio.h 8.1 (Berkeley) 5/31/93
72 */
73
74 /*
75 * Defines common to all versions of cpio
76 */
77 #define TRAILER "TRAILER!!!" /* name in last archive record */
78
79 /*
80 * Header encoding of the different file types
81 */
82 #define C_ISDIR 040000 /* Directory */
83 #define C_ISFIFO 010000 /* FIFO */
84 #define C_ISREG 0100000 /* Regular file */
85 #define C_ISBLK 060000 /* Block special file */
86 #define C_ISCHR 020000 /* Character special file */
87 #define C_ISCTG 0110000 /* Reserved for contiguous files */
88 #define C_ISLNK 0120000 /* Reserved for symbolic links */
89 #define C_ISOCK 0140000 /* Reserved for sockets */
90 #define C_IFMT 0170000 /* type of file */
91
92 /*
93 * Data Interchange Format - Extended cpio header format - POSIX 1003.1-1990
94 */
95 typedef struct {
96 char c_magic[6]; /* magic cookie */
97 char c_dev[6]; /* device number */
98 char c_ino[6]; /* inode number */
99 char c_mode[6]; /* file type/access */
100 char c_uid[6]; /* owners uid */
101 char c_gid[6]; /* owners gid */
102 char c_nlink[6]; /* # of links at archive creation */
103 char c_rdev[6]; /* block/char major/minor # */
104 char c_mtime[11]; /* modification time */
105 char c_namesize[6]; /* length of pathname */
106 char c_filesize[11]; /* length of file in bytes */
107 } HD_CPIO;
108
109 #define MAGIC 070707 /* transportable archive id */
110
111 #ifdef _PAX_
112 #define AMAGIC "070707" /* ascii equivalent string of MAGIC */
113 #define CPIO_MASK 0x3ffff /* bits valid in the dev/ino fields */
114 /* used for dev/inode remaps */
115 #endif /* _PAX_ */
116
117 /*
118 * Binary cpio header structure
119 *
120 * CAUTION! CAUTION! CAUTION!
121 * Each field really represents a 16 bit short (NOT ASCII). Described as
122 * an array of chars in an attempt to improve portability!!
123 */
124 typedef struct {
125 u_char h_magic[2];
126 u_char h_dev[2];
127 u_char h_ino[2];
128 u_char h_mode[2];
129 u_char h_uid[2];
130 u_char h_gid[2];
131 u_char h_nlink[2];
132 u_char h_rdev[2];
133 u_char h_mtime_1[2];
134 u_char h_mtime_2[2];
135 u_char h_namesize[2];
136 u_char h_filesize_1[2];
137 u_char h_filesize_2[2];
138 } HD_BCPIO;
139
140 #ifdef _PAX_
141 /*
142 * extraction and creation macros for binary cpio
143 */
144 #define SHRT_EXT(ch) ((((unsigned)(ch)[0])<<8) | (((unsigned)(ch)[1])&0xff))
145 #define RSHRT_EXT(ch) ((((unsigned)(ch)[1])<<8) | (((unsigned)(ch)[0])&0xff))
146 #define CHR_WR_0(val) ((char)(((val) >> 24) & 0xff))
147 #define CHR_WR_1(val) ((char)(((val) >> 16) & 0xff))
148 #define CHR_WR_2(val) ((char)(((val) >> 8) & 0xff))
149 #define CHR_WR_3(val) ((char)((val) & 0xff))
150
151 /*
152 * binary cpio masks and pads
153 */
154 #define BCPIO_PAD(x) ((2 - ((x) & 1)) & 1) /* pad to next 2 byte word */
155 #define BCPIO_MASK 0xffff /* mask for dev/ino fields */
156 #endif /* _PAX_ */
157
158 /*
159 * System VR4 cpio header structure (with/without file data crc)
160 */
161 typedef struct {
162 char c_magic[6]; /* magic cookie */
163 char c_ino[8]; /* inode number */
164 char c_mode[8]; /* file type/access */
165 char c_uid[8]; /* owners uid */
166 char c_gid[8]; /* owners gid */
167 char c_nlink[8]; /* # of links at archive creation */
168 char c_mtime[8]; /* modification time */
169 char c_filesize[8]; /* length of file in bytes */
170 char c_maj[8]; /* block/char major # */
171 char c_min[8]; /* block/char minor # */
172 char c_rmaj[8]; /* special file major # */
173 char c_rmin[8]; /* special file minor # */
174 char c_namesize[8]; /* length of pathname */
175 char c_chksum[8]; /* 0 OR CRC of bytes of FILE data */
176 } HD_VCPIO;
177
178 #define VMAGIC 070701 /* sVr4 new portable archive id */
179 #define VCMAGIC 070702 /* sVr4 new portable archive id CRC */
180 #ifdef _PAX_
181 #define AVMAGIC "070701" /* ascii string of above */
182 #define AVCMAGIC "070702" /* ascii string of above */
183 #define VCPIO_PAD(x) ((4 - ((x) & 3)) & 3) /* pad to next 4 byte word */
184 #define VCPIO_MASK 0xffffffff /* mask for dev/ino fields */
185 #endif /* _PAX_ */
186