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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![allow(deprecated)]
use prelude::v1::*;
use sys::fs::FileDesc;
use libc::{self, c_int, c_ulong};
use old_io::{self, IoResult, IoError};
use sys::c;
use sys_common;
pub struct TTY {
pub fd: FileDesc,
}
#[cfg(any(target_os = "macos",
target_os = "freebsd",
target_os = "bitrig",
target_os = "openbsd"))]
const TIOCGWINSZ: c_ulong = 0x40087468;
#[cfg(any(target_os = "linux", target_os = "android"))]
const TIOCGWINSZ: c_ulong = 0x00005413;
impl TTY {
pub fn new(fd: c_int) -> IoResult<TTY> {
if unsafe { libc::isatty(fd) } != 0 {
Ok(TTY { fd: FileDesc::new(fd, true) })
} else {
Err(IoError {
kind: old_io::MismatchedFileTypeForOperation,
desc: "file descriptor is not a TTY",
detail: None,
})
}
}
pub fn read(&mut self, buf: &mut [u8]) -> IoResult<uint> {
self.fd.read(buf)
}
pub fn write(&mut self, buf: &[u8]) -> IoResult<()> {
self.fd.write(buf)
}
pub fn set_raw(&mut self, _raw: bool) -> IoResult<()> {
Err(sys_common::unimpl())
}
#[cfg(any(target_os = "linux",
target_os = "android",
target_os = "macos",
target_os = "freebsd",
target_os = "bitrig",
target_os = "openbsd"))]
pub fn get_winsize(&mut self) -> IoResult<(int, int)> {
unsafe {
#[repr(C)]
struct winsize {
ws_row: u16,
ws_col: u16,
ws_xpixel: u16,
ws_ypixel: u16
}
let mut size = winsize { ws_row: 0, ws_col: 0, ws_xpixel: 0, ws_ypixel: 0 };
if c::ioctl(self.fd.fd(), TIOCGWINSZ, &mut size) == -1 {
Err(IoError {
kind: old_io::OtherIoError,
desc: "Size of terminal could not be determined",
detail: None,
})
} else {
Ok((size.ws_col as int, size.ws_row as int))
}
}
}
#[cfg(any(target_os = "ios",
target_os = "dragonfly"))]
pub fn get_winsize(&mut self) -> IoResult<(int, int)> {
Err(sys_common::unimpl())
}
}
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