/* Extended cpio format from POSIX.1. This file is part of the GNU C Library. Copyright (C) 1992-2020 Free Software Foundation, Inc. NOTE: The canonical source of this file is maintained with the GNU cpio. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef _CPIO_H #define _CPIO_H 1 /* A cpio archive consists of a sequence of files. Each file has a 76 byte header, a variable length, NUL terminated filename, and variable length file data. A header for a filename "TRAILER!!!" indicates the end of the archive. */ /* All the fields in the header are ISO 646 (approximately ASCII) strings of octal numbers, left padded, not NUL terminated. Field Name Length in Bytes Notes c_magic 6 must be "070707" c_dev 6 c_ino 6 c_mode 6 see below for value c_uid 6 c_gid 6 c_nlink 6 c_rdev 6 only valid for chr and blk special files c_mtime 11 c_namesize 6 count includes terminating NUL in pathname c_filesize 11 must be 0 for FIFOs and directories */ /* Value for the field `c_magic'. */ #define MAGIC "070707" /* Values for c_mode, OR'd together: */ #define C_IRUSR 000400 #define C_IWUSR 000200 #define C_IXUSR 000100 #define C_IRGRP 000040 #define C_IWGRP 000020 #define C_IXGRP 000010 #define C_IROTH 000004 #define C_IWOTH 000002 #define C_IXOTH 000001 #define C_ISUID 004000 #define C_ISGID 002000 #define C_ISVTX 001000 #define C_ISBLK 060000 #define C_ISCHR 020000 #define C_ISDIR 040000 #define C_ISFIFO 010000 #define C_ISSOCK 0140000 #define C_ISLNK 0120000 #define C_ISCTG 0110000 #define C_ISREG 0100000 #endif /* cpio.h */