49 lines
1.1 KiB
Rust

use std::ffi::CStr;
use std::mem;
use std::str;
use libc::c_char;
#[repr(C)]
#[derive(Clone, Copy)]
pub struct UtsName(libc::utsname);
#[allow(dead_code)]
impl UtsName {
pub fn uname() -> UtsName {
unsafe {
let mut ret: UtsName = mem::zeroed();
libc::uname(&mut ret.0);
ret
}
}
pub fn sysname(&self) -> &str {
to_str(&(&self.0.sysname as *const c_char ) as *const *const c_char)
}
pub fn nodename(&self) -> &str {
to_str(&(&self.0.nodename as *const c_char ) as *const *const c_char)
}
pub fn release(&self) -> &str {
to_str(&(&self.0.release as *const c_char ) as *const *const c_char)
}
pub fn version(&self) -> &str {
to_str(&(&self.0.version as *const c_char ) as *const *const c_char)
}
pub fn machine(&self) -> &str {
to_str(&(&self.0.machine as *const c_char ) as *const *const c_char)
}
}
#[inline]
fn to_str<'a>(s: *const *const c_char) -> &'a str {
unsafe {
let res = CStr::from_ptr(*s).to_bytes();
str::from_utf8_unchecked(res)
}
}