VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/os2/RTTimeSet-os2.cpp@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 2 years ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.8 KB
Line 
1/* $Id: RTTimeSet-os2.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - RTTimeSet, OS/2.
4 */
5
6/*
7 * Contributed by knut st. osmundsen.
8 *
9 * Copyright (C) 2018-2023 Oracle and/or its affiliates.
10 *
11 * This file is part of VirtualBox base platform packages, as
12 * available from https://www.virtualbox.org.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation, in version 3 of the
17 * License.
18 *
19 * This program is distributed in the hope that it will be useful, but
20 * WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see <https://www.gnu.org/licenses>.
26 *
27 * The contents of this file may alternatively be used under the terms
28 * of the Common Development and Distribution License Version 1.0
29 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
30 * in the VirtualBox distribution, in which case the provisions of the
31 * CDDL are applicable instead of those of the GPL.
32 *
33 * You may elect to license modified versions of this file under the
34 * terms and conditions of either the GPL or the CDDL or both.
35 *
36 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
37 * --------------------------------------------------------------------
38 *
39 * Copyright (c) 2018 knut st. osmundsen <bird-src-spam@anduin.net>
40 *
41 * Permission is hereby granted, free of charge, to any person
42 * obtaining a copy of this software and associated documentation
43 * files (the "Software"), to deal in the Software without
44 * restriction, including without limitation the rights to use,
45 * copy, modify, merge, publish, distribute, sublicense, and/or sell
46 * copies of the Software, and to permit persons to whom the
47 * Software is furnished to do so, subject to the following
48 * conditions:
49 *
50 * The above copyright notice and this permission notice shall be
51 * included in all copies or substantial portions of the Software.
52 *
53 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
54 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
55 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
56 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
57 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
58 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
59 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
60 * OTHER DEALINGS IN THE SOFTWARE.
61 */
62
63
64/*********************************************************************************************************************************
65* Header Files *
66*********************************************************************************************************************************/
67#define LOG_GROUP RTLOGGROUP_TIME
68#define INCL_DOSDATETIME
69#define INCL_DOSERRORS
70#include <os2.h>
71
72#include <iprt/time.h>
73#include "internal/iprt.h"
74
75#include <iprt/assert.h>
76#include <iprt/errcore.h>
77
78
79RTDECL(int) RTTimeSet(PCRTTIMESPEC pTime)
80{
81 /*
82 * Convert to local time and explode it, keeping the distance
83 * between UTC and local.
84 */
85 int64_t cNsLocalDelta = RTTimeLocalDeltaNanoFor(pTime);
86 RTTIMESPEC TimeLocal = *pTime;
87 RTTIME Exploded;
88 if (RTTimeExplode(&Exploded, RTTimeSpecAddNano(&TimeLocal, cNsLocalDelta)))
89 {
90 /*
91 * Fill in the OS/2 structure and make the call.
92 */
93 DATETIME DateTime;
94 DateTime.hours = Exploded.u8Hour;
95 DateTime.minutes = Exploded.u8Minute;
96 DateTime.seconds = Exploded.u8Second;
97 DateTime.hundredths = (uint8_t)(Exploded.u32Nanosecond / (RT_NS_1SEC_64 / 100));
98 DateTime.day = Exploded.u8MonthDay;
99 DateTime.month = Exploded.u8Month;
100 DateTime.year = (uint16_t)Exploded.i32Year;
101 DateTime.weekday = Exploded.u8WeekDay;
102
103 /* Minutes from UTC. http://www.edm2.com/os2api/Dos/DosSetDateTime.html says
104 that timezones west of UTC should have a positive value. The kernel fails
105 the call if we're more than +/-780 min (13h) distant, so clamp it in
106 case of bogus TZ values. */
107 DateTime.timezone = (int16_t)(-cNsLocalDelta / (int64_t)RT_NS_1MIN);
108 if (DateTime.timezone > 780)
109 DateTime.timezone = 780;
110 else if (DateTime.timezone < -780)
111 DateTime.timezone = -780;
112
113 APIRET rc = DosSetDateTime(&DateTime);
114 if (rc == NO_ERROR)
115 return VINF_SUCCESS;
116 AssertMsgFailed(("rc=%u\n", rc));
117 return RTErrConvertFromOS2(rc);
118 }
119 return VERR_INVALID_PARAMETER;
120}
121
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette