1/*-
2 * Copyright (c) 2003-2007 Tim Kientzle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "archive_platform.h"
27
28#include "archive_private.h"
29#include "archive_entry.h"
30
31#if defined(_WIN32) && !defined(__CYGWIN__)
32
33#define EPOC_TIME ARCHIVE_LITERAL_ULL(116444736000000000)
34
35__inline static void
36fileTimeToUtc(const FILETIME *filetime, time_t *t, long *ns)
37{
38	ULARGE_INTEGER utc;
39
40	utc.HighPart = filetime->dwHighDateTime;
41	utc.LowPart  = filetime->dwLowDateTime;
42	if (utc.QuadPart >= EPOC_TIME) {
43		utc.QuadPart -= EPOC_TIME;
44		*t = (time_t)(utc.QuadPart / 10000000);	/* milli seconds base */
45		*ns = (long)(utc.QuadPart % 10000000) * 100;/* nano seconds base */
46	} else {
47		*t = 0;
48		*ns = 0;
49	}
50}
51
52void
53archive_entry_copy_bhfi(struct archive_entry *entry,
54			BY_HANDLE_FILE_INFORMATION *bhfi)
55{
56	time_t secs;
57	long nsecs;
58
59	fileTimeToUtc(&bhfi->ftLastAccessTime, &secs, &nsecs);
60	archive_entry_set_atime(entry, secs, nsecs);
61	fileTimeToUtc(&bhfi->ftLastWriteTime, &secs, &nsecs);
62	archive_entry_set_mtime(entry, secs, nsecs);
63	fileTimeToUtc(&bhfi->ftCreationTime, &secs, &nsecs);
64	archive_entry_set_birthtime(entry, secs, nsecs);
65	archive_entry_set_ctime(entry, secs, nsecs);
66	archive_entry_set_dev(entry, bhfi->dwVolumeSerialNumber);
67	archive_entry_set_ino64(entry, (((int64_t)bhfi->nFileIndexHigh) << 32)
68		+ bhfi->nFileIndexLow);
69	archive_entry_set_nlink(entry, bhfi->nNumberOfLinks);
70	archive_entry_set_size(entry, (((int64_t)bhfi->nFileSizeHigh) << 32)
71		+ bhfi->nFileSizeLow);
72	/* archive_entry_set_mode(entry, st->st_mode); */
73}
74#endif
75