/* $Id: RTTimeSet-os2.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */ /** @file * IPRT - RTTimeSet, OS/2. */ /* * Contributed by knut st. osmundsen. * * Copyright (C) 2018-2024 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, in version 3 of the * License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included * in the VirtualBox distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. * * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 * -------------------------------------------------------------------- * * Copyright (c) 2018 knut st. osmundsen * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define LOG_GROUP RTLOGGROUP_TIME #define INCL_DOSDATETIME #define INCL_DOSERRORS #include #include #include "internal/iprt.h" #include #include RTDECL(int) RTTimeSet(PCRTTIMESPEC pTime) { /* * Convert to local time and explode it, keeping the distance * between UTC and local. */ int64_t cNsLocalDelta = RTTimeLocalDeltaNanoFor(pTime); RTTIMESPEC TimeLocal = *pTime; RTTIME Exploded; if (RTTimeExplode(&Exploded, RTTimeSpecAddNano(&TimeLocal, cNsLocalDelta))) { /* * Fill in the OS/2 structure and make the call. */ DATETIME DateTime; DateTime.hours = Exploded.u8Hour; DateTime.minutes = Exploded.u8Minute; DateTime.seconds = Exploded.u8Second; DateTime.hundredths = (uint8_t)(Exploded.u32Nanosecond / (RT_NS_1SEC_64 / 100)); DateTime.day = Exploded.u8MonthDay; DateTime.month = Exploded.u8Month; DateTime.year = (uint16_t)Exploded.i32Year; DateTime.weekday = Exploded.u8WeekDay; /* Minutes from UTC. http://www.edm2.com/os2api/Dos/DosSetDateTime.html says that timezones west of UTC should have a positive value. The kernel fails the call if we're more than +/-780 min (13h) distant, so clamp it in case of bogus TZ values. */ DateTime.timezone = (int16_t)(-cNsLocalDelta / (int64_t)RT_NS_1MIN); if (DateTime.timezone > 780) DateTime.timezone = 780; else if (DateTime.timezone < -780) DateTime.timezone = -780; APIRET rc = DosSetDateTime(&DateTime); if (rc == NO_ERROR) return VINF_SUCCESS; AssertMsgFailed(("rc=%u\n", rc)); return RTErrConvertFromOS2(rc); } return VERR_INVALID_PARAMETER; }