1 /* Extended cpio format from POSIX.1. 2 Copyright (C) 1992, 2005, 2007, 2010, 2014-2015, 2017 Free Software 3 Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public 16 License along with this program; if not, write to the Free 17 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 Boston, MA 02110-1301 USA. */ 19 20 #ifndef _CPIO_H 21 22 #define _CPIO_H 1 23 24 /* A cpio archive consists of a sequence of files. 25 Each file has a 76 byte header, 26 a variable length, NUL terminated filename, 27 and variable length file data. 28 A header for a filename "TRAILER!!!" indicates the end of the archive. */ 29 30 #define CPIO_TRAILER_NAME "TRAILER!!!" 31 32 /* All the fields in the header are ISO 646 (approximately ASCII) strings 33 of octal numbers, left padded, not NUL terminated. 34 35 Field Name Length in Bytes Notes 36 c_magic 6 must be "070707" 37 c_dev 6 38 c_ino 6 39 c_mode 6 see below for value 40 c_uid 6 41 c_gid 6 42 c_nlink 6 43 c_rdev 6 only valid for chr and blk special files 44 c_mtime 11 45 c_namesize 6 count includes terminating NUL in pathname 46 c_filesize 11 must be 0 for FIFOs and directories */ 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 */ 74