1 /* archive file definition for GNU software
3 Copyright (C) 2001-2020 Free Software Foundation, Inc.
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 3 of the License, or
8 (at your option) any later version.
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.
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,
18 MA 02110-1301, USA. */
20 /* So far this is correct for BSDish archives. Don't forget that
21 files must begin on an even byte boundary. */
26 /* Note that the usual '\n' in magic strings may translate to different
27 characters, as allowed by ANSI. '\012' has a fixed value, and remains
28 compatible with existing BSDish archives. */
30 #define ARMAG "!<arch>\012" /* For COFF and a.out archives. */
31 #define ARMAGT "!<thin>\012" /* For thin archives. */
33 #define ARFMAG "`\012"
35 /* The ar_date field of the armap (__.SYMDEF) member of an archive
36 must be greater than the modified date of the entire file, or
37 BSD-derived linkers complain. We originally write the ar_date with
38 this offset from the real file's mod-time. After finishing the
39 file, we rewrite ar_date if it's not still greater than the mod date. */
41 #define ARMAP_TIME_OFFSET 60
45 char ar_name
[16]; /* Name of this member. */
46 char ar_date
[12]; /* File mtime. */
47 char ar_uid
[6]; /* Owner uid; printed as decimal. */
48 char ar_gid
[6]; /* Owner gid; printed as decimal. */
49 char ar_mode
[8]; /* File mode, printed as octal. */
50 char ar_size
[10]; /* File size, printed as decimal. */
51 char ar_fmag
[2]; /* Should contain ARFMAG. */
54 #endif /* __GNU_AR_H__ */