zinfo/
hostname.rs

1#[cfg(target_os = "linux")]
2pub fn hostname() -> String {
3    use std::fs;
4
5    if let Ok(s) = fs::read_to_string("/etc/hostname") {
6        s.trim().to_owned()
7    } else {
8        "hostname".to_owned()
9    }
10}
11
12#[cfg(windows)]
13pub fn hostname() -> String {
14    use windows::{
15        core::PWSTR,
16        Win32::System::SystemInformation::{ComputerNamePhysicalDnsHostname, GetComputerNameExW},
17    };
18
19    let mut buffer_size: u32 = 0;
20    unsafe {
21        GetComputerNameExW(
22            ComputerNamePhysicalDnsHostname,
23            PWSTR::null(),
24            &mut buffer_size,
25        );
26    }
27
28    let mut buffer = vec![0_u16; buffer_size as usize];
29    unsafe {
30        GetComputerNameExW(
31            ComputerNamePhysicalDnsHostname,
32            PWSTR::from_raw(buffer.as_mut_ptr()),
33            &mut buffer_size,
34        );
35    }
36
37    String::from_utf16_lossy(&buffer)
38}
39
40#[cfg(not(any(target_os = "linux", windows)))]
41pub fn hostname() -> String {
42    use crate::get_output;
43
44    if let Ok(o) = get_output("hostname", &[]) {
45        o
46    } else {
47        "hostname".to_owned()
48    }
49}
zinfo/hostname.rs

zinfo/
hostname.rs
