1 /*-
2  * Copyright (c) 1991, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  * (c) UNIX System Laboratories, Inc.
5  * All or some portions of this file are derived from material licensed
6  * to the University of California by American Telephone and Telegraph
7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8  * the permission of UNIX System Laboratories, Inc.
9  *
10  * This code is derived from software contributed to Berkeley by
11  * Hugh Smith at The University of Guelph.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  * 3. Neither the name of the University nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  *	@(#)ar.h	8.2 (Berkeley) 1/21/94
38  */
39 
40 #pragma once
41 
42 /**
43  * @file ar.h
44  * @brief Constants for reading/writing `.a` files.
45  */
46 
47 #include <sys/cdefs.h>
48 
49 /** The magic at the beginning of a `.a` file. */
50 #define ARMAG  "!<arch>\n"
51 /** The length of the magic at the beginning of a `.a` file. */
52 #define SARMAG  8
53 
54 /** The contents of every `ar_hdr::ar_fmag` field.*/
55 #define	ARFMAG	"`\n"
56 
57 struct ar_hdr {
58   /* Name. */
59   char ar_name[16];
60   /* Modification time. */
61   char ar_date[12];
62   /** User id. */
63   char ar_uid[6];
64   /** Group id. */
65   char ar_gid[6];
66   /** Octal file permissions. */
67   char ar_mode[8];
68   /** Size in bytes. */
69   char ar_size[10];
70   /** Consistency check. Always contains `ARFMAG`. */
71   char ar_fmag[2];
72 };
73