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libuv/src/win/fs.c  view on Meta::CPAN

#define FILETIME_TO_TIMESPEC(ts, filetime)                                  \
   do {                                                                     \
     (ts).tv_sec = (long) FILETIME_TO_TIME_T(filetime);                     \
     (ts).tv_nsec = (long) FILETIME_TO_TIME_NS(filetime, (ts).tv_sec);      \
   } while(0)

#define TIME_T_TO_FILETIME(time, filetime_ptr)                              \
  do {                                                                      \
    uint64_t bigtime = ((uint64_t) ((time) * (uint64_t) 10 * MILLIONu)) +   \
                       (uint64_t) 116444736 * BILLIONu;                     \
    (filetime_ptr)->dwLowDateTime = bigtime & 0xFFFFFFFF;                   \
    (filetime_ptr)->dwHighDateTime = bigtime >> 32;                         \
  } while(0)

#define IS_SLASH(c) ((c) == L'\\' || (c) == L'/')
#define IS_LETTER(c) (((c) >= L'a' && (c) <= L'z') || \
  ((c) >= L'A' && (c) <= L'Z'))

const WCHAR JUNCTION_PREFIX[] = L"\\??\\";
const WCHAR JUNCTION_PREFIX_LEN = 4;

const WCHAR LONG_PATH_PREFIX[] = L"\\\\?\\";

libuv/src/win/util.c  view on Meta::CPAN

int uv_gettimeofday(uv_timeval64_t* tv) {
  /* Based on https://doxygen.postgresql.org/gettimeofday_8c_source.html */
  const uint64_t epoch = (uint64_t) 116444736000000000ULL;
  FILETIME file_time;
  ULARGE_INTEGER ularge;

  if (tv == NULL)
    return UV_EINVAL;

  GetSystemTimeAsFileTime(&file_time);
  ularge.LowPart = file_time.dwLowDateTime;
  ularge.HighPart = file_time.dwHighDateTime;
  tv->tv_sec = (int64_t) ((ularge.QuadPart - epoch) / 10000000L);
  tv->tv_usec = (int32_t) (((ularge.QuadPart - epoch) % 10000000L) / 10);
  return 0;
}