Commit 5fdabb43 authored by Jeremy Soller's avatar Jeremy Soller

Implement size and is_tty with termios on Redox

parent dbf6546b
......@@ -11,3 +11,8 @@ exclude = ["target", "CHANGELOG.md", "image.png", "Cargo.lock"]
[target.'cfg(not(target_os = "redox"))'.dependencies]
libc = "0.2.8"
[target.'cfg(target_os = "redox")'.dependencies]
redox_syscall = "0.1"
redox_termios = "0.1"
......@@ -17,6 +17,12 @@ extern crate libc;
#[cfg(not(target_os = "redox"))]
mod termios;
#[cfg(target_os = "redox")]
extern crate redox_termios;
#[cfg(target_os = "redox")]
extern crate syscall;
mod async;
pub use async::{AsyncReader, async_stdin};
......
......@@ -57,16 +57,21 @@ pub fn terminal_size() -> io::Result<(u16, u16)> {
/// Get the size of the terminal.
#[cfg(target_os = "redox")]
pub fn terminal_size() -> io::Result<(u16, u16)> {
use std::env;
use redox_termios;
use syscall;
let width = try!(env::var("COLUMNS").map_err(|x| io::Error::new(io::ErrorKind::NotFound, x)))
.parse()
.unwrap_or(0);
let height = try!(env::var("LINES").map_err(|x| io::Error::new(io::ErrorKind::NotFound, x)))
.parse()
.unwrap_or(0);
if let Ok(fd) = syscall::dup(1, b"winsize") {
let mut winsize = redox_termios::Winsize::default();
let res = syscall::read(fd, &mut winsize);
let _ = syscall::close(fd);
if let Ok(count) = res {
if count == winsize.len() {
return Ok((winsize.ws_col, winsize.ws_row));
}
}
}
Ok((width, height))
Err(io::Error::new(io::ErrorKind::Other, "Unable to get the terminal size."))
}
#[cfg(test)]
......
......@@ -11,8 +11,15 @@ pub fn is_tty<T: AsRawFd>(stream: &T) -> bool {
/// This will panic.
#[cfg(target_os = "redox")]
pub fn is_tty<T: AsRawFd>(_stream: &T) -> bool {
unimplemented!();
pub fn is_tty<T: AsRawFd>(stream: &T) -> bool {
use syscall;
if let Ok(fd) = syscall::dup(stream.as_raw_fd(), b"termios") {
let _ = syscall::close(fd);
true
} else {
false
}
}
/// Get the TTY device.
......
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