2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1992 Keith Muller.
5 * Copyright (c) 1992, 1993
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
9 * Keith Muller of the University of California, San Diego.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * @(#)cpio.h 8.1 (Berkeley) 5/31/93
40 * Defines common to all versions of cpio
42 #define TRAILER "TRAILER!!!" /* name in last archive record */
45 * Header encoding of the different file types
47 #define C_ISDIR 040000 /* Directory */
48 #define C_ISFIFO 010000 /* FIFO */
49 #define C_ISREG 0100000 /* Regular file */
50 #define C_ISBLK 060000 /* Block special file */
51 #define C_ISCHR 020000 /* Character special file */
52 #define C_ISCTG 0110000 /* Reserved for contiguous files */
53 #define C_ISLNK 0120000 /* Reserved for symbolic links */
54 #define C_ISOCK 0140000 /* Reserved for sockets */
55 #define C_IFMT 0170000 /* type of file */
58 * Data Interchange Format - Extended cpio header format - POSIX 1003.1-1990
61 char c_magic[6]; /* magic cookie */
62 char c_dev[6]; /* device number */
63 char c_ino[6]; /* inode number */
64 char c_mode[6]; /* file type/access */
65 char c_uid[6]; /* owners uid */
66 char c_gid[6]; /* owners gid */
67 char c_nlink[6]; /* # of links at archive creation */
68 char c_rdev[6]; /* block/char major/minor # */
69 char c_mtime[11]; /* modification time */
70 char c_namesize[6]; /* length of pathname */
71 char c_filesize[11]; /* length of file in bytes */
72 } HD_CPIO __aligned(1);
74 #define MAGIC 070707 /* transportable archive id */
77 #define AMAGIC "070707" /* ascii equivalent string of MAGIC */
78 #define CPIO_MASK 0x3ffff /* bits valid in the dev/ino fields */
79 /* used for dev/inode remaps */
83 * Binary cpio header structure
85 * CAUTION! CAUTION! CAUTION!
86 * Each field really represents a 16 bit short (NOT ASCII). Described as
87 * an array of chars in an attempt to improve portability!!
100 u_char h_namesize[2];
101 u_char h_filesize_1[2];
102 u_char h_filesize_2[2];
103 } HD_BCPIO __aligned(1);
107 * extraction and creation macros for binary cpio
109 #define SHRT_EXT(ch) ((((unsigned)(ch)[0])<<8) | (((unsigned)(ch)[1])&0xff))
110 #define RSHRT_EXT(ch) ((((unsigned)(ch)[1])<<8) | (((unsigned)(ch)[0])&0xff))
111 #define CHR_WR_0(val) ((char)(((val) >> 24) & 0xff))
112 #define CHR_WR_1(val) ((char)(((val) >> 16) & 0xff))
113 #define CHR_WR_2(val) ((char)(((val) >> 8) & 0xff))
114 #define CHR_WR_3(val) ((char)((val) & 0xff))
117 * binary cpio masks and pads
119 #define BCPIO_PAD(x) ((2 - ((x) & 1)) & 1) /* pad to next 2 byte word */
120 #define BCPIO_MASK 0xffff /* mask for dev/ino fields */
124 * System VR4 cpio header structure (with/without file data crc)
127 char c_magic[6]; /* magic cookie */
128 char c_ino[8]; /* inode number */
129 char c_mode[8]; /* file type/access */
130 char c_uid[8]; /* owners uid */
131 char c_gid[8]; /* owners gid */
132 char c_nlink[8]; /* # of links at archive creation */
133 char c_mtime[8]; /* modification time */
134 char c_filesize[8]; /* length of file in bytes */
135 char c_maj[8]; /* block/char major # */
136 char c_min[8]; /* block/char minor # */
137 char c_rmaj[8]; /* special file major # */
138 char c_rmin[8]; /* special file minor # */
139 char c_namesize[8]; /* length of pathname */
140 char c_chksum[8]; /* 0 OR CRC of bytes of FILE data */
141 } HD_VCPIO __aligned(1);
143 #define VMAGIC 070701 /* sVr4 new portable archive id */
144 #define VCMAGIC 070702 /* sVr4 new portable archive id CRC */
146 #define AVMAGIC "070701" /* ascii string of above */
147 #define AVCMAGIC "070702" /* ascii string of above */
148 #define VCPIO_PAD(x) ((4 - ((x) & 3)) & 3) /* pad to next 4 byte word */
149 #define VCPIO_MASK 0xffffffff /* mask for dev/ino fields */