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/* archive file definition for GNU software
 
   Copyright 2001, 2008, 2010 Free Software Foundation, Inc.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */
 
/* So far this is correct for BSDish archives.  Don't forget that
   files must begin on an even byte boundary. */
 
#ifndef __GNU_AR_H__
#define __GNU_AR_H__
 
/* Note that the usual '\n' in magic strings may translate to different
   characters, as allowed by ANSI.  '\012' has a fixed value, and remains
   compatible with existing BSDish archives. */
 
#define ARMAG  "!<arch>\012"	/* For COFF and a.out archives.  */
#define ARMAGB "!<bout>\012"	/* For b.out archives.  */
#define ARMAGT "!<thin>\012"	/* For thin archives.  */
#define SARMAG 8
#define ARFMAG "`\012"
 
/* The ar_date field of the armap (__.SYMDEF) member of an archive
   must be greater than the modified date of the entire file, or 
   BSD-derived linkers complain.  We originally write the ar_date with
   this offset from the real file's mod-time.  After finishing the
   file, we rewrite ar_date if it's not still greater than the mod date.  */
 
#define ARMAP_TIME_OFFSET       60
 
struct ar_hdr
{
  char ar_name[16];		/* Name of this member.  */
  char ar_date[12];		/* File mtime.  */
  char ar_uid[6];		/* Owner uid; printed as decimal.  */
  char ar_gid[6];		/* Owner gid; printed as decimal.  */
  char ar_mode[8];		/* File mode, printed as octal.   */
  char ar_size[10];		/* File size, printed as decimal.  */
  char ar_fmag[2];		/* Should contain ARFMAG.  */
};
 
#endif /* __GNU_AR_H__ */