X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Ftime%2Fwindows%2Frawtime.cpp;fp=source%2Ftime%2Fwindows%2Frawtime.cpp;h=b6276f02988f68663b1ae3905de4c30d9d28a709;hp=0000000000000000000000000000000000000000;hb=609c9a508cfdc7b42c46c4f21d17639204165a00;hpb=b4806214e905752617691f851717033fd3f266c2

diff --git a/source/time/windows/rawtime.cpp b/source/time/windows/rawtime.cpp
new file mode 100644
index 0000000..b6276f0
--- /dev/null
+++ b/source/time/windows/rawtime.cpp
@@ -0,0 +1,36 @@
+#include "rawtime.h"
+#include "rawtime_private.h"
+
+namespace {
+
+/// Returns the unixtime epoch as filetime
+Msp::Time::RawTime get_epoch()
+{
+	SYSTEMTIME st;
+	st.wYear = 1970;
+	st.wMonth = 1;
+	st.wDay = 1;
+	st.wHour = 0;
+	st.wMinute = 0;
+	st.wSecond = 0;
+	st.wMilliseconds = 0;
+
+	FILETIME ft;
+	SystemTimeToFileTime(&st, &ft);
+	return (ft.dwLowDateTime+(static_cast<Msp::Time::RawTime>(ft.dwHighDateTime)<<32))/10;
+}
+
+}
+
+namespace Msp {
+namespace Time {
+
+RawTime filetime_to_rawtime(const FILETIME &ft)
+{
+	static RawTime epoch = get_epoch();
+	
+	return (ft.dwLowDateTime+(static_cast<RawTime>(ft.dwHighDateTime)<<32))/10-epoch;
+}
+
+} // namespace Time
+} // namespace Msp