1/* Extended cpio format from POSIX.1. 2 This file is part of the GNU C Library. 3 Copyright (C) 1992, 1998 Free Software Foundation, Inc. 4 NOTE: The canonical source of this file is maintained with the GNU cpio. 5 6 The GNU C Library is free software; you can redistribute it and/or 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. 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 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, write to the Free 18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 19 02111-1307 USA. */ 20 21#ifndef _CPIO_H 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/* All the fields in the header are ISO 646 (approximately ASCII) strings 31 of octal numbers, left padded, not NUL terminated. 32 33 Field Name Length in Bytes Notes 34 c_magic 6 must be "070707" 35 c_dev 6 36 c_ino 6 37 c_mode 6 see below for value 38 c_uid 6 39 c_gid 6 40 c_nlink 6 41 c_rdev 6 only valid for chr and blk special files 42 c_mtime 11 43 c_namesize 6 count includes terminating NUL in pathname 44 c_filesize 11 must be 0 for FIFOs and directories */ 45 46/* Value for the field `c_magic'. */ 47#define MAGIC "070707" 48 49/* Values for c_mode, OR'd together: */ 50 51#define C_IRUSR 000400 52#define C_IWUSR 000200 53#define C_IXUSR 000100 54#define C_IRGRP 000040 55#define C_IWGRP 000020 56#define C_IXGRP 000010 57#define C_IROTH 000004 58#define C_IWOTH 000002 59#define C_IXOTH 000001 60 61#define C_ISUID 004000 62#define C_ISGID 002000 63#define C_ISVTX 001000 64 65#define C_ISBLK 060000 66#define C_ISCHR 020000 67#define C_ISDIR 040000 68#define C_ISFIFO 010000 69#define C_ISSOCK 0140000 70#define C_ISLNK 0120000 71#define C_ISCTG 0110000 72#define C_ISREG 0100000 73 74#endif /* cpio.h */ 75