contrib/cpio/cpio.h

   1 /* Extended cpio format from POSIX.1.
   2    Copyright (C) 1992 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  17
  18 #ifndef _CPIO_H
  19
  20 #define _CPIO_H 1
  21
  22 /* A cpio archive consists of a sequence of files.
  23    Each file has a 76 byte header,
  24    a variable length, NUL terminated filename,
  25    and variable length file data.
  26    A header for a filename "TRAILER!!!" indicates the end of the archive.  */
  27
  28 /* All the fields in the header are ISO 646 (approximately ASCII) strings
  29    of octal numbers, left padded, not NUL terminated.
  30
  31    Field Name   Length in Bytes Notes
  32    c_magic      6               must be "070707"
  33    c_dev        6
  34    c_ino        6
  35    c_mode       6               see below for value
  36    c_uid        6
  37    c_gid        6
  38    c_nlink      6
  39    c_rdev       6               only valid for chr and blk special files
  40    c_mtime      11
  41    c_namesize   6               count includes terminating NUL in pathname
  42    c_filesize   11              must be 0 for FIFOs and directories  */
  43
  44 /* Values for c_mode, OR'd together: */
  45
  46 #define C_IRUSR         000400
  47 #define C_IWUSR         000200
  48 #define C_IXUSR         000100
  49 #define C_IRGRP         000040
  50 #define C_IWGRP         000020
  51 #define C_IXGRP         000010
  52 #define C_IROTH         000004
  53 #define C_IWOTH         000002
  54 #define C_IXOTH         000001
  55
  56 #define C_ISUID         004000
  57 #define C_ISGID         002000
  58 #define C_ISVTX         001000
  59
  60 #define C_ISBLK         060000
  61 #define C_ISCHR         020000
  62 #define C_ISDIR         040000
  63 #define C_ISFIFO        010000
  64 #define C_ISSOCK        0140000
  65 #define C_ISLNK         0120000
  66 #define C_ISCTG         0110000
  67 #define C_ISREG         0100000
  68
  69 #endif /* cpio.h */