vendor/sysinfo/src/windows/utils.rs

   1 // Take a look at the license at the top of the repository in the LICENSE file.
   2
   3 use winapi::shared::minwindef::FILETIME;
   4 use winapi::um::winnt::LPWSTR;
   5
   6 use std::time::SystemTime;
   7
   8 #[inline]
   9 pub(crate) fn filetime_to_u64(f: FILETIME) -> u64 {
  10     (f.dwHighDateTime as u64) << 32 | (f.dwLowDateTime as u64)
  11 }
  12
  13 #[inline]
  14 pub(crate) fn get_now() -> u64 {
  15     SystemTime::now()
  16         .duration_since(SystemTime::UNIX_EPOCH)
  17         .map(|n| n.as_secs())
  18         .unwrap_or(0)
  19 }
  20
  21 pub(crate) unsafe fn to_str(p: LPWSTR) -> String {
  22     let mut i = 0;
  23
  24     loop {
  25         let c = *p.offset(i);
  26         if c == 0 {
  27             break;
  28         }
  29         i += 1;
  30     }
  31     let s = std::slice::from_raw_parts(p, i as _);
  32     String::from_utf16(s).unwrap_or_else(|_e| {
  33         sysinfo_debug!("Failed to convert to UTF-16 string: {}", _e);
  34         String::new()
  35     })
  36 }