implemented 'type' and 'wait' builtins

fixed some tcsetpgrp() misbehavior

fixed not being able to redirect stderr from builtins
This commit is contained in:
2026-03-01 17:14:48 -05:00
parent 84aed128d6
commit 2ea44c55e9
38 changed files with 922 additions and 635 deletions

View File

@@ -1,52 +1,7 @@
use std::sync::LazyLock;
use termios::{LocalFlags, Termios};
use crate::prelude::*;
pub static TTY_FILENO: LazyLock<RawFd> = LazyLock::new(|| {
open("/dev/tty", OFlag::O_RDWR, Mode::empty()).expect("Failed to open /dev/tty")
});
#[derive(Debug)]
pub struct TermiosGuard {
saved_termios: Option<Termios>,
}
impl TermiosGuard {
pub fn new(new_termios: Termios) -> Self {
let mut new = Self {
saved_termios: None,
};
if isatty(*TTY_FILENO).unwrap() {
let current_termios = termios::tcgetattr(std::io::stdin()).unwrap();
new.saved_termios = Some(current_termios);
termios::tcsetattr(
std::io::stdin(),
nix::sys::termios::SetArg::TCSANOW,
&new_termios,
)
.unwrap();
}
new
}
}
impl Default for TermiosGuard {
fn default() -> Self {
let mut termios = termios::tcgetattr(std::io::stdin()).unwrap();
termios.local_flags &= !LocalFlags::ECHOCTL;
Self::new(termios)
}
}
impl Drop for TermiosGuard {
fn drop(&mut self) {
if let Some(saved) = &self.saved_termios {
termios::tcsetattr(std::io::stdin(), nix::sys::termios::SetArg::TCSANOW, saved).unwrap();
}
}
}