/* Extended cpio format from POSIX.1.
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This file is part of the GNU C Library.
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Copyright (C) 1992-2021 Free Software Foundation, Inc.
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NOTE: The canonical source of this file is maintained with the GNU cpio.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _CPIO_H
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#define _CPIO_H 1
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/* A cpio archive consists of a sequence of files.
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Each file has a 76 byte header,
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a variable length, NUL terminated filename,
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and variable length file data.
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A header for a filename "TRAILER!!!" indicates the end of the archive. */
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/* All the fields in the header are ISO 646 (approximately ASCII) strings
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of octal numbers, left padded, not NUL terminated.
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Field Name Length in Bytes Notes
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c_magic 6 must be "070707"
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c_dev 6
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c_ino 6
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c_mode 6 see below for value
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c_uid 6
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c_gid 6
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c_nlink 6
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c_rdev 6 only valid for chr and blk special files
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c_mtime 11
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c_namesize 6 count includes terminating NUL in pathname
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c_filesize 11 must be 0 for FIFOs and directories */
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/* Value for the field `c_magic'. */
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#define MAGIC "070707"
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/* Values for c_mode, OR'd together: */
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#define C_IRUSR 000400
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#define C_IWUSR 000200
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#define C_IXUSR 000100
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#define C_IRGRP 000040
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#define C_IWGRP 000020
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#define C_IXGRP 000010
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#define C_IROTH 000004
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#define C_IWOTH 000002
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#define C_IXOTH 000001
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#define C_ISUID 004000
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#define C_ISGID 002000
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#define C_ISVTX 001000
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#define C_ISBLK 060000
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#define C_ISCHR 020000
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#define C_ISDIR 040000
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#define C_ISFIFO 010000
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#define C_ISSOCK 0140000
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#define C_ISLNK 0120000
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#define C_ISCTG 0110000
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#define C_ISREG 0100000
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#endif /* cpio.h */
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