1 use crate::io::{self, IoSlice, IoSliceMut};
2 use crate::mem::ManuallyDrop;
3 use crate::sys::fd::FileDesc;
10 pub const fn new() -> 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)
25 fn is_read_vectored(&self) -> bool {
31 pub const fn new() -> Stdout {
36 impl io::Write for Stdout {
37 fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
38 ManuallyDrop::new(FileDesc::new(libc::STDOUT_FILENO)).write(buf)
41 fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
42 ManuallyDrop::new(FileDesc::new(libc::STDOUT_FILENO)).write_vectored(bufs)
46 fn is_write_vectored(&self) -> bool {
50 fn flush(&mut self) -> io::Result<()> {
56 pub const fn new() -> Stderr {
61 impl io::Write for Stderr {
62 fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
63 ManuallyDrop::new(FileDesc::new(libc::STDERR_FILENO)).write(buf)
66 fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
67 ManuallyDrop::new(FileDesc::new(libc::STDERR_FILENO)).write_vectored(bufs)
71 fn is_write_vectored(&self) -> bool {
75 fn flush(&mut self) -> io::Result<()> {
80 pub fn is_ebadf(err: &io::Error) -> bool {
81 err.raw_os_error() == Some(libc::EBADF as i32)
84 pub const STDIN_BUF_SIZE: usize = crate::sys_common::io::DEFAULT_BUF_SIZE;
86 pub fn panic_output() -> Option<impl io::Write> {