diff options
Diffstat (limited to 'src/VBox/Runtime/r3/os2/RTTimeSet-os2.cpp')
| -rw-r--r-- | src/VBox/Runtime/r3/os2/RTTimeSet-os2.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/os2/RTTimeSet-os2.cpp b/src/VBox/Runtime/r3/os2/RTTimeSet-os2.cpp new file mode 100644 index 00000000..bc4811d5 --- /dev/null +++ b/src/VBox/Runtime/r3/os2/RTTimeSet-os2.cpp @@ -0,0 +1,111 @@ +/* $Id: RTTimeSet-os2.cpp $ */ +/** @file + * IPRT - RTTimeSet, OS/2. + */ + +/* + * Contributed by knut st. osmundsen. + * + * Copyright (C) 2018-2020 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE 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. + * -------------------------------------------------------------------- + * + * Copyright (c) 2018 knut st. osmundsen <bird-src-spam@anduin.net> + * + * 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 <os2.h> + +#include <iprt/time.h> +#include "internal/iprt.h" + +#include <iprt/assert.h> +#include <iprt/errcore.h> + + +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; +} + |