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#[macro_use]
extern crate clap;
#[macro_use]
extern crate uucore;
mod platform;
pub fn uumain(args: impl uucore::Args) -> i32 {
let app = app_from_crate!();
if let Err(err) = app.get_matches_from_safe(args) {
if err.kind == clap::ErrorKind::HelpDisplayed
|| err.kind == clap::ErrorKind::VersionDisplayed
{
println!("{}", err);
0
} else {
show_error!("{}", err);
1
}
} else {
exec();
0
}
}
pub fn exec() {
unsafe {
match platform::getusername() {
Ok(username) => println!("{}", username),
Err(err) => match err.raw_os_error() {
Some(0) | None => crash!(1, "failed to get username"),
Some(_) => crash!(1, "failed to get username: {}", err),
},
}
}
}