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 2, 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, write to the Free Software
17 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 #include <sys/types.h>
27 typedef unsigned short mode_t;
33 #ifdef WORDS_BIGENDIAN
34 #define sgetl(buf) (((((((unsigned char)(buf)[3] << 8) + (unsigned char)(buf)[2]) << 8) + (unsigned char)(buf)[1]) << 8) + (unsigned char)(buf)[0])
35 #define sputl(value, buf) ((buf)[3] = ((value) >> 24, (buf)[2] = (value) >> 16, (buf)[1] = (value) >> 8, (buf)[0] = (value))
37 #define sgetl(buf) (((((((unsigned char)(buf)[0] << 8) + (unsigned char)(buf)[1]) << 8) + (unsigned char)(buf)[2]) << 8) + (unsigned char)(buf)[3])
38 #define sputl(value, buf) ((buf)[0] = (value) >> 24, (buf)[1] = (value) >> 16, (buf)[2] = (value) >> 8, (buf)[3] = (value))
41 #define ARMAG "!<arch>\n" /* magic string */
42 #define SARMAG (sizeof (ARMAG) - 1) /* length of magic string */
44 #define ARFMAG "`\n" /* header trailer string */
46 #define AR_NAME_OFFSET 0
47 #define AR_NAME_LEN 16
49 #define AR_DATE_OFFSET 16
50 #define AR_DATE_LEN 12
52 #define AR_UID_OFFSET 28
55 #define AR_GID_OFFSET 34
58 #define AR_MODE_OFFSET 40
61 #define AR_SIZE_OFFSET 48
62 #define AR_SIZE_LEN 10
64 #define AR_FMAG_OFFSET 58
65 #define AR_FMAG_LEN (sizeof (ARFMAG) - 1)
67 #define ARHDR_LEN (AR_NAME_LEN + AR_DATE_LEN + AR_UID_LEN + AR_GID_LEN + AR_MODE_LEN + AR_SIZE_LEN + AR_FMAG_LEN)
69 #define AR_SYMBOL_TABLE_NAME "/ "
70 #define AR_STRING_TABLE_NAME "// "
72 #define AR_IS_SYMBOL_TABLE(hdr) (0 == strcmp((hdr).ar_name, AR_SYMBOL_TABLE_NAME))
73 #define AR_IS_STRING_TABLE(hdr) (0 == strcmp((hdr).ar_name, AR_STRING_TABLE_NAME))
76 struct ar_hdr /* archive member header */
78 char ar_name[AR_NAME_LEN + 1]; /* archive member name */
79 time_t ar_date; /* archive member date */
80 uid_t ar_uid; /* archive member user identification */
81 gid_t ar_gid; /* archive member group identification */
82 mode_t ar_mode; /* archive member mode (octal) */
83 off_t ar_size; /* archive member size */