Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 200 insertions, 0 deletions

diff --git a/sal/osl/w32/time.cxx b/sal/osl/w32/time.cxx
new file mode 100644
index 000000000..3f11746fe
--- /dev/null
+++ b/sal/osl/w32/time.cxx
@@ -0,0 +1,200 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include "system.h"
+
+#include "filetime.hxx"
+#include "time.hxx"
+
+#include <osl/diagnose.h>
+#include <osl/time.h>
+#include <sys/timeb.h>
+
+sal_Bool SAL_CALL osl_getSystemTime(TimeValue* pTimeVal)
+{
+    unsigned __int64 CurTime;
+
+    typedef VOID (WINAPI *GetSystemTimePreciseAsFileTime_PROC)(LPFILETIME);
+
+    OSL_ASSERT(pTimeVal != nullptr);
+
+    static GetSystemTimePreciseAsFileTime_PROC pGetSystemTimePreciseAsFileTime = []()
+    {
+        HMODULE hModule = GetModuleHandleW( L"Kernel32.dll" );
+        return reinterpret_cast<GetSystemTimePreciseAsFileTime_PROC>(
+                GetProcAddress(hModule, "GetSystemTimePreciseAsFileTime"));
+    }();
+
+    // use ~1 microsecond resolution if available
+    if (pGetSystemTimePreciseAsFileTime)
+        pGetSystemTimePreciseAsFileTime(reinterpret_cast<LPFILETIME>(&CurTime));
+    else
+    {
+        SYSTEMTIME SystemTime;
+        GetSystemTime(&SystemTime);
+        SystemTimeToFileTime(&SystemTime, reinterpret_cast<LPFILETIME>(&CurTime));
+    }
+
+    static const unsigned __int64 OffTime = [] {
+        SYSTEMTIME SystemTime;
+        SystemTime.wYear = 1970;
+        SystemTime.wMonth = 1;
+        SystemTime.wDayOfWeek = 0;
+        SystemTime.wDay = 1;
+        SystemTime.wHour = 0;
+        SystemTime.wMinute = 0;
+        SystemTime.wSecond = 0;
+        SystemTime.wMilliseconds = 0;
+
+        unsigned __int64 ft;
+        SystemTimeToFileTime(&SystemTime, reinterpret_cast<LPFILETIME>(&ft));
+        return ft;
+    }();
+
+    const unsigned __int64 Value = CurTime - OffTime;
+
+    pTimeVal->Seconds  = static_cast<unsigned long>(Value / 10000000L);
+    pTimeVal->Nanosec  = static_cast<unsigned long>((Value % 10000000L) * 100);
+
+    return true;
+}
+
+sal_Bool SAL_CALL osl_getDateTimeFromTimeValue( const TimeValue* pTimeVal, oslDateTime* pDateTime )
+{
+    FILETIME    aFileTime;
+    SYSTEMTIME  aSystemTime;
+
+    if ( TimeValueToFileTime(pTimeVal, &aFileTime) )
+    {
+        if ( FileTimeToSystemTime( &aFileTime, &aSystemTime ) )
+        {
+            pDateTime->NanoSeconds  =   pTimeVal->Nanosec;
+
+            pDateTime->Seconds      =   aSystemTime.wSecond;
+            pDateTime->Minutes      =   aSystemTime.wMinute;
+            pDateTime->Hours        =   aSystemTime.wHour;
+            pDateTime->Day          =   aSystemTime.wDay;
+            pDateTime->DayOfWeek    =   aSystemTime.wDayOfWeek;
+            pDateTime->Month        =   aSystemTime.wMonth;
+            pDateTime->Year         =   aSystemTime.wYear;
+
+            return true;
+        }
+    }
+
+    return false;
+}
+
+sal_Bool SAL_CALL osl_getTimeValueFromDateTime( const oslDateTime* pDateTime, TimeValue* pTimeVal )
+{
+    FILETIME    aFileTime;
+    SYSTEMTIME  aSystemTime;
+
+    aSystemTime.wMilliseconds   =   0;
+    aSystemTime.wSecond         =   pDateTime->Seconds;
+    aSystemTime.wMinute         =   pDateTime->Minutes;
+    aSystemTime.wHour           =   pDateTime->Hours;
+    aSystemTime.wDay            =   pDateTime->Day;
+    aSystemTime.wDayOfWeek      =   pDateTime->DayOfWeek;
+    aSystemTime.wMonth          =   pDateTime->Month;
+    aSystemTime.wYear           =   pDateTime->Year;
+
+    if ( SystemTimeToFileTime( &aSystemTime, &aFileTime ) )
+    {
+        if (FileTimeToTimeValue( &aFileTime, pTimeVal  ) )
+        {
+            pTimeVal->Nanosec = pDateTime->NanoSeconds;
+            return true;
+        }
+    }
+
+    return false;
+}
+
+sal_Bool SAL_CALL osl_getLocalTimeFromSystemTime( const TimeValue* pSystemTimeVal, TimeValue* pLocalTimeVal )
+{
+    TIME_ZONE_INFORMATION aTimeZoneInformation;
+
+    // get timezone information
+    DWORD Success = GetTimeZoneInformation( &aTimeZoneInformation );
+    if (Success == TIME_ZONE_ID_INVALID)
+        return false;
+
+    sal_Int64 bias = aTimeZoneInformation.Bias;
+
+    // add bias for daylight saving time
+    if ( Success == TIME_ZONE_ID_DAYLIGHT )
+        bias+=aTimeZoneInformation.DaylightBias;
+
+    if ( static_cast<sal_Int64>(pSystemTimeVal->Seconds) > ( bias * 60 ) )
+    {
+        pLocalTimeVal->Seconds = static_cast<sal_uInt32>(pSystemTimeVal->Seconds - ( bias * 60) );
+        pLocalTimeVal->Nanosec = pSystemTimeVal->Nanosec;
+
+        return true;
+    }
+    return false;
+}
+
+sal_Bool SAL_CALL osl_getSystemTimeFromLocalTime( const TimeValue* pLocalTimeVal, TimeValue* pSystemTimeVal )
+{
+    TIME_ZONE_INFORMATION aTimeZoneInformation;
+
+    // get timezone information
+    DWORD Success = GetTimeZoneInformation( &aTimeZoneInformation );
+    if ( Success == TIME_ZONE_ID_INVALID )
+        return false;
+
+    sal_Int64 bias = aTimeZoneInformation.Bias;
+
+    // add bias for daylight saving time
+    if ( Success == TIME_ZONE_ID_DAYLIGHT )
+        bias+=aTimeZoneInformation.DaylightBias;
+
+    if ( static_cast<sal_Int64>(pLocalTimeVal->Seconds) + ( bias * 60 ) > 0 )
+    {
+        pSystemTimeVal->Seconds = static_cast<sal_uInt32>( pLocalTimeVal->Seconds + ( bias * 60) );
+        pSystemTimeVal->Nanosec = pLocalTimeVal->Nanosec;
+
+        return true;
+    }
+
+    return false;
+}
+
+static struct _timeb startTime;
+void sal_initGlobalTimer()
+{
+    _ftime( &startTime );
+}
+
+sal_uInt32 SAL_CALL osl_getGlobalTimer(void)
+{
+  struct _timeb currentTime;
+  sal_uInt32 nSeconds;
+
+  _ftime( &currentTime );
+
+  nSeconds = static_cast<sal_uInt32>( currentTime.time - startTime.time );
+
+  return ( nSeconds * 1000 ) + static_cast<long>( currentTime.millitm - startTime.millitm );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */