boxxy 0.14.0

Linkable sandbox explorer
Documentation 
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use clap::{App, Arg, AppSettings};
use crate::{Shell, Arguments};
use crate::errors::*;

pub fn seteuid(_sh: &mut Shell, args: Arguments) -> Result<()> {
    let matches = App::new("seteuid")
        .setting(AppSettings::DisableVersion)
        .about("Call seteuid(2)")
        .arg(Arg::with_name("uid").required(true))
        .get_matches_from_safe(args)?;

    let uid = matches.value_of("uid").unwrap().parse()?;

    let ret = unsafe { libc::seteuid(uid) };

    if ret != 0 {
        Err(errno())
    } else {
        Ok(())
    }
}