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This commit is contained in:
Igor Pavlov
2015-01-03 00:00:00 +00:00
committed by Kornel Lesiński
parent 7e021179cd
commit 0713a3ab80
153 changed files with 2744 additions and 1485 deletions
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36
CPP/Windows/TimeUtils.cpp
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@@ -16,7 +16,7 @@ static const UInt64 kUnixTimeOffset =
(UInt64)60 * 60 * 24 * (89 + 365 * (kUnixTimeStartYear - kFileTimeStartYear));
static const UInt64 kNumSecondsInFileTime = (UInt64)(Int64)-1 / kNumTimeQuantumsInSecond;
bool DosTimeToFileTime(UInt32 dosTime, FILETIME &ft)
bool DosTimeToFileTime(UInt32 dosTime, FILETIME &ft) throw()
{
#if defined(_WIN32) && !defined(UNDER_CE)
return BOOLToBool(::DosDateTimeToFileTime((UInt16)(dosTime >> 16), (UInt16)(dosTime & 0xFFFF), &ft));
@@ -41,7 +41,7 @@ static const UInt32 kLowDosTime = 0x210000;
#define PERIOD_100 (PERIOD_4 * 25 - 1)
#define PERIOD_400 (PERIOD_100 * 4 + 1)
bool FileTimeToDosTime(const FILETIME &ft, UInt32 &dosTime)
bool FileTimeToDosTime(const FILETIME &ft, UInt32 &dosTime) throw()
{
#if defined(_WIN32) && !defined(UNDER_CE)
@@ -115,31 +115,25 @@ bool FileTimeToDosTime(const FILETIME &ft, UInt32 &dosTime)
return true;
}
void UnixTimeToFileTime(UInt32 unixTime, FILETIME &ft)
void UnixTimeToFileTime(UInt32 unixTime, FILETIME &ft) throw()
{
UInt64 v = (kUnixTimeOffset + (UInt64)unixTime) * kNumTimeQuantumsInSecond;
ft.dwLowDateTime = (DWORD)v;
ft.dwHighDateTime = (DWORD)(v >> 32);
}
bool UnixTime64ToFileTime(Int64 unixTime, FILETIME &ft)
bool UnixTime64ToFileTime(Int64 unixTime, FILETIME &ft) throw()
{
Int64 v = (Int64)kUnixTimeOffset + unixTime;
if (unixTime < 0)
if (unixTime > kNumSecondsInFileTime - kUnixTimeOffset)
{
if (v < 0)
{
ft.dwLowDateTime = ft.dwHighDateTime = 0;
return false;
}
ft.dwLowDateTime = ft.dwHighDateTime = (UInt32)(Int32)-1;
return false;
}
else
Int64 v = (Int64)kUnixTimeOffset + unixTime;
if (v < 0)
{
if (v < unixTime || v > kNumSecondsInFileTime)
{
ft.dwLowDateTime = ft.dwHighDateTime = (UInt32)(Int32)-1;
return false;
}
ft.dwLowDateTime = ft.dwHighDateTime = 0;
return false;
}
UInt64 v2 = (UInt64)v * kNumTimeQuantumsInSecond;
ft.dwLowDateTime = (DWORD)v2;
@@ -147,13 +141,13 @@ bool UnixTime64ToFileTime(Int64 unixTime, FILETIME &ft)
return true;
}
Int64 FileTimeToUnixTime64(const FILETIME &ft)
Int64 FileTimeToUnixTime64(const FILETIME &ft) throw()
{
UInt64 winTime = (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
return (Int64)(winTime / kNumTimeQuantumsInSecond) - kUnixTimeOffset;
}
bool FileTimeToUnixTime(const FILETIME &ft, UInt32 &unixTime)
bool FileTimeToUnixTime(const FILETIME &ft, UInt32 &unixTime) throw()
{
UInt64 winTime = (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
winTime /= kNumTimeQuantumsInSecond;
@@ -173,7 +167,7 @@ bool FileTimeToUnixTime(const FILETIME &ft, UInt32 &unixTime)
}
bool GetSecondsSince1601(unsigned year, unsigned month, unsigned day,
unsigned hour, unsigned min, unsigned sec, UInt64 &resSeconds)
unsigned hour, unsigned min, unsigned sec, UInt64 &resSeconds) throw()
{
resSeconds = 0;
if (year < kFileTimeStartYear || year >= 10000 || month < 1 || month > 12 ||
@@ -192,7 +186,7 @@ bool GetSecondsSince1601(unsigned year, unsigned month, unsigned day,
return true;
}
void GetCurUtcFileTime(FILETIME &ft)
void GetCurUtcFileTime(FILETIME &ft) throw()
{
// Both variants provide same low resolution on WinXP: about 15 ms.
// But GetSystemTimeAsFileTime is much faster.