1 /* lkar.h - ar library format handling
3 Copyright (C) 2008-2009 Borut Razem, borut dot razem at siol dot net
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 3, or (at your option) any
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, see <http://www.gnu.org/licenses/>. */
21 #include <sys/types.h>
26 typedef unsigned short mode_t;
32 #define sgetl(buf) (((((((unsigned char)(buf)[0] << 8) + (unsigned char)(buf)[1]) << 8) + (unsigned char)(buf)[2]) << 8) + (unsigned char)(buf)[3])
33 #define sputl(value, buf) ((buf)[0] = (value) >> 24, (buf)[1] = (value) >> 16, (buf)[2] = (value) >> 8, (buf)[3] = (value))
35 #define ARMAG "!<arch>\n" /* magic string */
36 #define SARMAG (sizeof (ARMAG) - 1) /* length of magic string */
38 #define ARFMAG "`\n" /* header trailer string */
40 #define AR_NAME_OFFSET 0
41 #define AR_NAME_LEN 16
43 #define AR_DATE_OFFSET 16
44 #define AR_DATE_LEN 12
46 #define AR_UID_OFFSET 28
49 #define AR_GID_OFFSET 34
52 #define AR_MODE_OFFSET 40
55 #define AR_SIZE_OFFSET 48
56 #define AR_SIZE_LEN 10
58 #define AR_FMAG_OFFSET 58
59 #define AR_FMAG_LEN (sizeof (ARFMAG) - 1)
61 #define ARHDR_LEN (AR_NAME_LEN + AR_DATE_LEN + AR_UID_LEN + AR_GID_LEN + AR_MODE_LEN + AR_SIZE_LEN + AR_FMAG_LEN)
63 #define AR_SYMBOL_TABLE_NAME "/ "
64 #define AR_STRING_TABLE_NAME "// "
66 #define AR_BSD_SYMBOL_TABLE_NAME "__.SYMDEF "
67 #define AR_BSD_SORTED_SYMBOL_TABLE_NAME "__.SYMDEF SORTED"
69 #define AR_IS_SYMBOL_TABLE(name) (0 == strcmp((name), AR_SYMBOL_TABLE_NAME))
70 #define AR_IS_STRING_TABLE(name) (0 == strcmp((name), AR_STRING_TABLE_NAME))
72 #define AR_IS_BSD_SYMBOL_TABLE(name) (0 == strcmp((name), AR_BSD_SYMBOL_TABLE_NAME) || 0 == strcmp((name), AR_BSD_SORTED_SYMBOL_TABLE_NAME))
75 struct ar_hdr /* archive member header */
77 char ar_name[AR_NAME_LEN + 1]; /* archive member name */
78 time_t ar_date; /* archive member date */
79 uid_t ar_uid; /* archive member user identification */
80 gid_t ar_gid; /* archive member group identification */
81 mode_t ar_mode; /* archive member mode (octal) */
82 size_t ar_size; /* archive member size */