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[Windows] Fix precision loss in CFGetSystemUptime() #2579

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Merged
merged 1 commit into from
Dec 10, 2019
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[Windows] Fix precision loss in CFGetSystemUptime() #2579

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2 changes: 1 addition & 1 deletion CoreFoundation/NumberDate.subproj/CFDate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -122,7 +122,7 @@ CF_EXPORT CFTimeInterval CFGetSystemUptime(void) {
return (double)res.tv_sec + ((double)res.tv_nsec)/1.0E9;
#elif TARGET_OS_WIN32
ULONGLONG ullTickCount = GetTickCount64();
return ullTickCount / 1000;
return ullTickCount / 1000.0;
#else
#error Unable to calculate uptime for this platform
#endif
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