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 */