1 use crate::io::{self, IoSlice, IoSliceMut};
2 use crate::mem::ManuallyDrop;
3 use crate::sys::fd::FileDesc;
10 pub fn new() -> io::Result<Stdin> {
15 impl io::Read for Stdin {
16 fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
17 ManuallyDrop::new(FileDesc::new(libc::STDIN_FILENO)).read(buf)
20 fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
21 ManuallyDrop::new(FileDesc::new(libc::STDIN_FILENO)).read_vectored(bufs)
26 pub fn new() -> io::Result<Stdout> {
31 impl io::Write for Stdout {
32 fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
33 ManuallyDrop::new(FileDesc::new(libc::STDOUT_FILENO)).write(buf)
36 fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
37 ManuallyDrop::new(FileDesc::new(libc::STDOUT_FILENO)).write_vectored(bufs)
40 fn flush(&mut self) -> io::Result<()> {
46 pub fn new() -> io::Result<Stderr> {
51 impl io::Write for Stderr {
52 fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
53 ManuallyDrop::new(FileDesc::new(libc::STDERR_FILENO)).write(buf)
56 fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
57 ManuallyDrop::new(FileDesc::new(libc::STDERR_FILENO)).write_vectored(bufs)
60 fn flush(&mut self) -> io::Result<()> {
65 pub fn is_ebadf(err: &io::Error) -> bool {
66 err.raw_os_error() == Some(libc::EBADF as i32)
69 pub const STDIN_BUF_SIZE: usize = crate::sys_common::io::DEFAULT_BUF_SIZE;
71 pub fn panic_output() -> Option<impl io::Write> {