1 use crate::io::{self, IoSlice, IoSliceMut};
2 use crate::sys::fd::FileDesc;
3 use crate::mem::ManuallyDrop;
10 pub fn new() -> io::Result<Stdin> { Ok(Stdin(())) }
13 impl io::Read for Stdin {
14 fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
15 ManuallyDrop::new(FileDesc::new(libc::STDIN_FILENO)).read(buf)
18 fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
19 ManuallyDrop::new(FileDesc::new(libc::STDIN_FILENO)).read_vectored(bufs)
24 pub fn new() -> io::Result<Stdout> { Ok(Stdout(())) }
27 impl io::Write for Stdout {
28 fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
29 ManuallyDrop::new(FileDesc::new(libc::STDOUT_FILENO)).write(buf)
32 fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
33 ManuallyDrop::new(FileDesc::new(libc::STDOUT_FILENO)).write_vectored(bufs)
36 fn flush(&mut self) -> io::Result<()> {
42 pub fn new() -> io::Result<Stderr> { Ok(Stderr(())) }
45 impl io::Write for Stderr {
46 fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
47 ManuallyDrop::new(FileDesc::new(libc::STDERR_FILENO)).write(buf)
50 fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
51 ManuallyDrop::new(FileDesc::new(libc::STDERR_FILENO)).write_vectored(bufs)
54 fn flush(&mut self) -> io::Result<()> {
59 pub fn is_ebadf(err: &io::Error) -> bool {
60 err.raw_os_error() == Some(libc::EBADF as i32)
63 pub const STDIN_BUF_SIZE: usize = crate::sys_common::io::DEFAULT_BUF_SIZE;
65 pub fn panic_output() -> Option<impl io::Write> {