posix/cpio.h

   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
   5    NOTE: The canonical source of this file is maintained with the GNU cpio.
   6    Bugs can be reported to bug-glibc@gnu.org.
   7
   8    The GNU C Library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU Library General Public License as
  10    published by the Free Software Foundation; either version 2 of the
  11    License, or (at your option) any later version.
  12
  13    The GNU C Library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    Library General Public License for more details.
  17
  18    You should have received a copy of the GNU Library General Public
  19    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  20    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 #ifndef _CPIO_H
  24 #define _CPIO_H 1
  25
  26 /* A cpio archive consists of a sequence of files.
  27    Each file has a 76 byte header,
  28    a variable length, NUL terminated filename,
  29    and variable length file data.
  30    A header for a filename "TRAILER!!!" indicates the end of the archive.  */
  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 /* Value for the field `c_magic'.  */
  49 #define MAGIC   "070707"
  50
  51 /* Values for c_mode, OR'd together: */
  52
  53 #define C_IRUSR         000400
  54 #define C_IWUSR         000200
  55 #define C_IXUSR         000100
  56 #define C_IRGRP         000040
  57 #define C_IWGRP         000020
  58 #define C_IXGRP         000010
  59 #define C_IROTH         000004
  60 #define C_IWOTH         000002
  61 #define C_IXOTH         000001
  62
  63 #define C_ISUID         004000
  64 #define C_ISGID         002000
  65 #define C_ISVTX         001000
  66
  67 #define C_ISBLK         060000
  68 #define C_ISCHR         020000
  69 #define C_ISDIR         040000
  70 #define C_ISFIFO        010000
  71 #define C_ISSOCK        0140000
  72 #define C_ISLNK         0120000
  73 #define C_ISCTG         0110000
  74 #define C_ISREG         0100000
  75
  76 #endif /* cpio.h */