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time/FileTime: add `noexcept`

This commit is contained in:
Max Kellermann 2019-05-08 16:01:28 +02:00
parent 5641c4baa6
commit a265738528
1 changed files with 4 additions and 4 deletions
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8
src/time/FileTime.hxx
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@ -37,20 +37,20 @@
#include <stdint.h>
static constexpr uint64_t
ConstructUint64(DWORD lo, DWORD hi)
ConstructUint64(DWORD lo, DWORD hi) noexcept
{
return uint64_t(lo) | (uint64_t(hi) << 32);
}
static constexpr time_t
FileTimeToTimeT(FILETIME ft)
FileTimeToTimeT(FILETIME ft) noexcept
{
return (ConstructUint64(ft.dwLowDateTime, ft.dwHighDateTime)
- 116444736000000000) / 10000000;
}
static inline std::chrono::system_clock::time_point
FileTimeToChrono(FILETIME ft)
FileTimeToChrono(FILETIME ft) noexcept
{
// TODO: eliminate the time_t roundtrip, preserve sub-second resolution
return std::chrono::system_clock::from_time_t(FileTimeToTimeT(ft));
@ -58,7 +58,7 @@ FileTimeToChrono(FILETIME ft)
gcc_const
static inline std::chrono::seconds
DeltaFileTimeS(FILETIME a, FILETIME b)
DeltaFileTimeS(FILETIME a, FILETIME b) noexcept
{
ULARGE_INTEGER a2, b2;
b2.LowPart = b.dwLowDateTime;