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Fix a Y2038 bug in timeToFILETIME #145

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Nov 18, 2022
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Fix a Y2038 bug in timeToFILETIME #145

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8 changes: 4 additions & 4 deletions include/ghc/filesystem.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2241,10 +2241,10 @@ GHC_INLINE time_t timeFromFILETIME(const FILETIME& ft)

GHC_INLINE void timeToFILETIME(time_t t, FILETIME& ft)
{
LONGLONG ll;
ll = Int32x32To64(t, 10000000) + 116444736000000000;
ft.dwLowDateTime = static_cast<DWORD>(ll);
ft.dwHighDateTime = static_cast<DWORD>(ll >> 32);
ULARGE_INTEGER ull;
ull.QuadPart = static_cast<ULONGLONG>((t * 10000000LL) + 116444736000000000LL);
ft.dwLowDateTime = ull.LowPart;
ft.dwHighDateTime = ull.HighPart;
}

template <typename INFO>
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