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fixed overflow bug on Windows

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This commit is contained in:
Guenter Obiltschnig 2014-02-02 12:35:55 +01:00
parent 8e88bdd921
commit a005d582bc
1 changed files with 2 additions and 1 deletions
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3
Foundation/src/Clock.cpp
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@ -104,7 +104,8 @@ void Clock::update()
LARGE_INTEGER perfFreq; LARGE_INTEGER perfFreq;
if (QueryPerformanceCounter(&perfCounter) && QueryPerformanceFrequency(&perfFreq)) if (QueryPerformanceCounter(&perfCounter) && QueryPerformanceFrequency(&perfFreq))
{ {
_clock = perfCounter.QuadPart*resolution()/perfFreq.QuadPart; _clock = resolution()*(perfCounter.QuadPart/perfFreq.QuadPart);
_clock += (perfCounter.QuadPart % perfFreq.QuadPart)*resolution()/perfFreq.QuadPart;
} }
else throw Poco::SystemException("cannot get system clock"); else throw Poco::SystemException("cannot get system clock");