misc/ar.h

   1 /* Header describing `ar' archive file format.
   2 Copyright (C) 1996 Free Software Foundation, Inc.
   3 This file is part of the GNU C Library.
   4
   5 The GNU C Library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 The GNU C Library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 #ifndef _AR_H
  21 #define _AR_H 1
  22
  23 /* Archive files start with the ARMAG identifying string.  Then follows a
  24    `struct ar_hdr', and as many bytes of member file data as its `ar_size'
  25    member indicates, for each member file.  */
  26
  27 #define ARMAG   "!<arch>\n"     /* String that begins an archive file.  */
  28 #define SARMAG  8               /* Size of that string.  */
  29
  30 #define ARFMAG  "`\n"           /* String in ar_fmag at end of each header.  */
  31
  32 struct ar_hdr
  33   {
  34     char ar_name[16];           /* Member file name, sometimes / terminated. */
  35     char ar_date[12];           /* File date, decimal seconds since Epoch.  */
  36     char ar_uid[6], ar_gid[6];  /* User and group IDs, in ASCII decimal.  */
  37     char ar_mode[8];            /* File mode, in ASCII octal.  */
  38     char ar_size[10];           /* File size, in ASCII decimal.  */
  39     char ar_fmag[2];            /* Always contains ARFMAG.  */
  40   };
  41
  42 #endif /* ar.h */