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/* Based on code from sysinfo: https://crates.io/crates/sysinfo
* Original licenses: MIT
* Original author: Guillaume Gomez
* License file: https://github.com/GuillaumeGomez/sysinfo/blob/master/LICENSE
*/
/// Get the version of the currently running kernel.
///
/// **Note**: The kernel version might include arbitrary alphanumeric suffixes.
///
/// Returns `None` if an error occured.
pub fn kernel_version() -> Option<String> {
let mut raw = std::mem::MaybeUninit::<libc::utsname>::zeroed();
unsafe {
// SAFETY: We created the pointer from a value on the stack.
if libc::uname(raw.as_mut_ptr()) == 0 {
// SAFETY: If `uname` succesfully returns it filled in the data.
let info = raw.assume_init();
let release = info
.release
.iter()
.filter(|c| **c != 0)
.map(|c| *c as u8 as char)
.collect::<String>();
Some(release)
} else {
None
}
}
}
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