| 1 | /* Extended cpio format from POSIX.1.
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| 2 | Copyright (C) 1992, 2005 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2, or (at your option)
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| 7 | any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public
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| 15 | License along with this program; if not, write to the Free
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| 16 | Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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| 17 | Boston, MA 02110-1301 USA. */
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| 18 |
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| 19 | #ifndef _CPIO_H
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| 20 |
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| 21 | #define _CPIO_H 1
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| 22 |
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| 23 | /* A cpio archive consists of a sequence of files.
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| 24 | Each file has a 76 byte header,
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| 25 | a variable length, NUL terminated filename,
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| 26 | and variable length file data.
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| 27 | A header for a filename "TRAILER!!!" indicates the end of the archive. */
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| 28 |
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| 29 | #define CPIO_TRAILER_NAME "TRAILER!!!"
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| 30 |
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| 31 | /* All the fields in the header are ISO 646 (approximately ASCII) strings
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| 32 | of octal numbers, left padded, not NUL terminated.
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| 33 |
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| 34 | Field Name Length in Bytes Notes
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| 35 | c_magic 6 must be "070707"
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| 36 | c_dev 6
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| 37 | c_ino 6
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| 38 | c_mode 6 see below for value
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| 39 | c_uid 6
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| 40 | c_gid 6
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| 41 | c_nlink 6
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| 42 | c_rdev 6 only valid for chr and blk special files
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| 43 | c_mtime 11
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| 44 | c_namesize 6 count includes terminating NUL in pathname
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| 45 | c_filesize 11 must be 0 for FIFOs and directories */
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| 46 |
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| 47 | /* Values for c_mode, OR'd together: */
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| 48 |
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| 49 | #define C_IRUSR 000400
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| 50 | #define C_IWUSR 000200
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| 51 | #define C_IXUSR 000100
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| 52 | #define C_IRGRP 000040
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| 53 | #define C_IWGRP 000020
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| 54 | #define C_IXGRP 000010
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| 55 | #define C_IROTH 000004
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| 56 | #define C_IWOTH 000002
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| 57 | #define C_IXOTH 000001
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| 58 |
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| 59 | #define C_ISUID 004000
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| 60 | #define C_ISGID 002000
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| 61 | #define C_ISVTX 001000
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| 62 |
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| 63 | #define C_ISBLK 060000
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| 64 | #define C_ISCHR 020000
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| 65 | #define C_ISDIR 040000
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| 66 | #define C_ISFIFO 010000
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| 67 | #define C_ISSOCK 0140000
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| 68 | #define C_ISLNK 0120000
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| 69 | #define C_ISCTG 0110000
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| 70 | #define C_ISREG 0100000
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| 71 |
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| 72 | #endif /* cpio.h */
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