1/*	$NetBSD: gettimeofday.c,v 1.1.1.1 2011/04/13 18:15:41 elric Exp $	*/
2
3/*
4 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
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 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include <config.h>
37#include <krb5/roken.h>
38#ifndef HAVE_GETTIMEOFDAY
39
40#ifdef _WIN32
41
42ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
43gettimeofday (struct timeval *tp, void *ignore)
44{
45    FILETIME ft;
46    ULARGE_INTEGER li;
47    ULONGLONG ull;
48
49    GetSystemTimeAsFileTime(&ft);
50    li.LowPart = ft.dwLowDateTime;
51    li.HighPart = ft.dwHighDateTime;
52    ull = li.QuadPart;
53
54    ull -= 116444736000000000i64;
55    ull /= 10i64;               /* ull is now in microseconds */
56
57    tp->tv_usec = (ull % 1000000i64);
58    tp->tv_sec  = (ull / 1000000i64);
59
60    return 0;
61}
62
63#else
64
65/*
66 * Simple gettimeofday that only returns seconds.
67 */
68ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
69gettimeofday (struct timeval *tp, void *ignore)
70{
71     time_t t;
72
73     t = time(NULL);
74     tp->tv_sec  = (long) t;
75     tp->tv_usec = 0;
76     return 0;
77}
78
79#endif  /* !_WIN32 */
80#endif
81