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use io;
use libc;
use sys::fd::FileDesc;
pub struct Stdin(());
pub struct Stdout(());
pub struct Stderr(());
impl Stdin {
pub fn new() -> io::Result<Stdin> { Ok(Stdin(())) }
pub fn read(&self, data: &mut [u8]) -> io::Result<usize> {
let fd = FileDesc::new(libc::STDIN_FILENO);
let ret = fd.read(data);
fd.into_raw();
ret
}
}
impl Stdout {
pub fn new() -> io::Result<Stdout> { Ok(Stdout(())) }
pub fn write(&self, data: &[u8]) -> io::Result<usize> {
let fd = FileDesc::new(libc::STDOUT_FILENO);
let ret = fd.write(data);
fd.into_raw();
ret
}
pub fn flush(&self) -> io::Result<()> {
Ok(())
}
}
impl Stderr {
pub fn new() -> io::Result<Stderr> { Ok(Stderr(())) }
pub fn write(&self, data: &[u8]) -> io::Result<usize> {
let fd = FileDesc::new(libc::STDERR_FILENO);
let ret = fd.write(data);
fd.into_raw();
ret
}
pub fn flush(&self) -> io::Result<()> {
Ok(())
}
}
impl io::Write for Stderr {
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
Stderr::write(self, data)
}
fn flush(&mut self) -> io::Result<()> {
Stderr::flush(self)
}
}
pub fn is_ebadf(err: &io::Error) -> bool {
err.raw_os_error() == Some(libc::EBADF as i32)
}
pub const STDIN_BUF_SIZE: usize = ::sys_common::io::DEFAULT_BUF_SIZE;