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1 | /* Extended cpio format from POSIX.1. |
2 | This file is part of the GNU C Library. | |
6d7e8eda | 3 | Copyright (C) 1992-2023 Free Software Foundation, Inc. |
af69217f | 4 | NOTE: The canonical source of this file is maintained with the GNU cpio. |
af69217f UD |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
af69217f UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
af69217f | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 17 | License along with the GNU C Library; if not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
af69217f UD |
19 | |
20 | #ifndef _CPIO_H | |
21 | #define _CPIO_H 1 | |
22 | ||
23 | /* A cpio archive consists of a sequence of files. | |
24 | Each file has a 76 byte header, | |
25 | a variable length, NUL terminated filename, | |
26 | and variable length file data. | |
27 | A header for a filename "TRAILER!!!" indicates the end of the archive. */ | |
28 | ||
29 | /* All the fields in the header are ISO 646 (approximately ASCII) strings | |
30 | of octal numbers, left padded, not NUL terminated. | |
31 | ||
32 | Field Name Length in Bytes Notes | |
33 | c_magic 6 must be "070707" | |
34 | c_dev 6 | |
35 | c_ino 6 | |
36 | c_mode 6 see below for value | |
37 | c_uid 6 | |
38 | c_gid 6 | |
39 | c_nlink 6 | |
40 | c_rdev 6 only valid for chr and blk special files | |
41 | c_mtime 11 | |
42 | c_namesize 6 count includes terminating NUL in pathname | |
43 | c_filesize 11 must be 0 for FIFOs and directories */ | |
44 | ||
45 | /* Value for the field `c_magic'. */ | |
46 | #define MAGIC "070707" | |
47 | ||
48 | /* Values for c_mode, OR'd together: */ | |
49 | ||
50 | #define C_IRUSR 000400 | |
51 | #define C_IWUSR 000200 | |
52 | #define C_IXUSR 000100 | |
53 | #define C_IRGRP 000040 | |
54 | #define C_IWGRP 000020 | |
55 | #define C_IXGRP 000010 | |
56 | #define C_IROTH 000004 | |
57 | #define C_IWOTH 000002 | |
58 | #define C_IXOTH 000001 | |
59 | ||
60 | #define C_ISUID 004000 | |
61 | #define C_ISGID 002000 | |
62 | #define C_ISVTX 001000 | |
63 | ||
64 | #define C_ISBLK 060000 | |
65 | #define C_ISCHR 020000 | |
66 | #define C_ISDIR 040000 | |
67 | #define C_ISFIFO 010000 | |
68 | #define C_ISSOCK 0140000 | |
69 | #define C_ISLNK 0120000 | |
70 | #define C_ISCTG 0110000 | |
71 | #define C_ISREG 0100000 | |
72 | ||
73 | #endif /* cpio.h */ |