include/aout/ar.h

   1 /* archive file definition for GNU software
   2
   3    Copyright 2001 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 /* So far this is correct for BSDish archives.  Don't forget that
  20    files must begin on an even byte boundary. */
  21
  22 #ifndef __GNU_AR_H__
  23 #define __GNU_AR_H__
  24
  25 /* Note that the usual '\n' in magic strings may translate to different
  26    characters, as allowed by ANSI.  '\012' has a fixed value, and remains
  27    compatible with existing BSDish archives. */
  28
  29 #define ARMAG  "!<arch>\012"    /* For COFF and a.out archives */
  30 #define ARMAGB "!<bout>\012"    /* For b.out archives */
  31 #define SARMAG 8
  32 #define ARFMAG "`\012"
  33
  34 /* The ar_date field of the armap (__.SYMDEF) member of an archive
  35    must be greater than the modified date of the entire file, or
  36    BSD-derived linkers complain.  We originally write the ar_date with
  37    this offset from the real file's mod-time.  After finishing the
  38    file, we rewrite ar_date if it's not still greater than the mod date.  */
  39
  40 #define ARMAP_TIME_OFFSET       60
  41
  42 struct ar_hdr {
  43   char ar_name[16];             /* name of this member */
  44   char ar_date[12];             /* file mtime */
  45   char ar_uid[6];               /* owner uid; printed as decimal */
  46   char ar_gid[6];               /* owner gid; printed as decimal */
  47   char ar_mode[8];              /* file mode, printed as octal   */
  48   char ar_size[10];             /* file size, printed as decimal */
  49   char ar_fmag[2];              /* should contain ARFMAG */
  50 };
  51
  52 #endif /* __GNU_AR_H__ */