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34 lines
700 B
34 lines
700 B
#include <windows.h>
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#include <wchar.h>
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#define WINDOWS_TICKS_PER_SEC 10000000
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#define EPOCH_DIFFERENCE 11644473600LL
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long long WindowsTicksToUnixSeconds(long long);
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int wmain(void) {
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FILETIME ft = {0};
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GetSystemTimeAsFileTime(&ft);
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LARGE_INTEGER li = {0};
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li.LowPart = ft.dwLowDateTime;
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li.HighPart = ft.dwHighDateTime;
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long long int hns = li.QuadPart;
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wprintf(L"Windows API time: %lli\n", hns);
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long long int utm = WindowsTicksToUnixSeconds(hns);
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wprintf(L"Unix time: %lli\n", utm);
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return 0;
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}
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long long int WindowsTicksToUnixSeconds(long long windowsTicks) {
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return (windowsTicks / WINDOWS_TICKS_PER_SEC - EPOCH_DIFFERENCE);
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}
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