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use clap::{crate_version, Command};
use libc::c_long;
use uucore::{error::UResult, format_usage};
const USAGE: &str = "{} [options]";
const SUMMARY: &str = "Print the numeric identifier (in hexadecimal) for the current host";
extern "C" {
pub fn gethostid() -> c_long;
}
#[uucore::main]
pub fn uumain(args: impl uucore::Args) -> UResult<()> {
uu_app().get_matches_from(args);
hostid();
Ok(())
}
pub fn uu_app<'a>() -> Command<'a> {
Command::new(uucore::util_name())
.version(crate_version!())
.about(SUMMARY)
.override_usage(format_usage(USAGE))
.infer_long_args(true)
}
fn hostid() {
let mut result: c_long;
unsafe {
result = gethostid();
}
#[allow(overflowing_literals)]
let mask = 0xffff_ffff;
result &= mask;
println!("{:0>8x}", result);
}