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chrono: correct the units for the epoch bias 

As pointed out by Howard, this is actually 134774 days (* 24 * 3600),
and therefore seconds, not 100ns units.  Adjust the units to reflect
reality.

llvm-svn: 290824
This commit is contained in:
Saleem Abdulrasool 2017-01-02 18:41:50 +00:00
parent 8bcade547a
commit d1c346a43b
1 changed files with 1 additions and 2 deletions
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3
libcxx/src/chrono.cpp
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@ -53,8 +53,7 @@ system_clock::now() _NOEXCEPT
nanoseconds::period>>; nanoseconds::period>>;
// The Windows epoch is Jan 1 1601, the Unix epoch Jan 1 1970. // The Windows epoch is Jan 1 1601, the Unix epoch Jan 1 1970.
static _LIBCPP_CONSTEXPR const filetime_duration static _LIBCPP_CONSTEXPR const seconds nt_to_unix_epoch{11644473600};
nt_to_unix_epoch{11644473600};
FILETIME ft; FILETIME ft;
#if _WIN32_WINNT >= _WIN32_WINNT_WIN8 #if _WIN32_WINNT >= _WIN32_WINNT_WIN8