1/*
2  zip_file_get_external_attributes.c -- get opsys/external attributes
3  Copyright (C) 2013 Dieter Baron and Thomas Klausner
4
5  This file is part of libzip, a library to manipulate ZIP archives.
6  The authors can be contacted at <libzip@nih.at>
7
8  Redistribution and use in source and binary forms, with or without
9  modification, are permitted provided that the following conditions
10  are met:
11  1. Redistributions of source code must retain the above copyright
12     notice, this list of conditions and the following disclaimer.
13  2. Redistributions in binary form must reproduce the above copyright
14     notice, this list of conditions and the following disclaimer in
15     the documentation and/or other materials provided with the
16     distribution.
17  3. The names of the authors may not be used to endorse or promote
18     products derived from this software without specific prior
19     written permission.
20
21  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
22  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
25  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
29  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
31  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32*/
33
34#include "zipint.h"
35
36int
37zip_file_get_external_attributes(struct zip *za, zip_uint64_t idx, zip_flags_t flags, zip_uint8_t *opsys, zip_uint32_t *attributes)
38{
39    struct zip_dirent *de;
40    zip_uint32_t len;
41    const zip_uint8_t *str;
42
43    if ((de=_zip_get_dirent(za, idx, flags, NULL)) == NULL)
44    return -1;
45
46    if (opsys)
47    *opsys = (de->version_madeby >> 8) & 0xff;
48
49    if (attributes)
50    *attributes = de->ext_attrib;
51
52    return 0;
53}
54