time/FileTime: add ToUint64(FILETIME)

5bae6946 · Max Kellermann · a8fc8055 · 5bae6946
Commit 5bae6946 authored May 08, 2019 by Max Kellermann
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Showing with 7 additions and 2 deletions

FileTime.hxx src/time/FileTime.hxx +7 -2

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--- a/src/time/FileTime.hxx
+++ b/src/time/FileTime.hxx
@@ -42,11 +42,16 @@ ConstructUint64(DWORD lo, DWORD hi) noexcept
 	return uint64_t(lo) | (uint64_t(hi) << 32);
 }

+constexpr uint64_t
+ToUint64(FILETIME ft) noexcept
+{
+	return ConstructUint64(ft.dwLowDateTime, ft.dwHighDateTime);
+}
+
 constexpr time_t
 FileTimeToTimeT(FILETIME ft) noexcept
 {
-	return (ConstructUint64(ft.dwLowDateTime, ft.dwHighDateTime)
-		- 116444736000000000) / 10000000;
+	return (ToUint64(ft) - 116444736000000000) / 10000000;
 }

 inline std::chrono::system_clock::time_point