blob: 97e75f1b5b6692897802da097052369659c6bdaa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
use crate::io::{self, BorrowedCursor, IoSlice, IoSliceMut};
use crate::mem::ManuallyDrop;
use crate::os::unix::io::FromRawFd;
use crate::sys::fd::FileDesc;
pub struct Stdin(());
pub struct Stdout(());
pub struct Stderr(());
impl Stdin {
pub const fn new() -> Stdin {
Stdin(())
}
}
impl io::Read for Stdin {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
unsafe { ManuallyDrop::new(FileDesc::from_raw_fd(libc::STDIN_FILENO)).read(buf) }
}
fn read_buf(&mut self, buf: BorrowedCursor<'_>) -> io::Result<()> {
unsafe { ManuallyDrop::new(FileDesc::from_raw_fd(libc::STDIN_FILENO)).read_buf(buf) }
}
fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
unsafe { ManuallyDrop::new(FileDesc::from_raw_fd(libc::STDIN_FILENO)).read_vectored(bufs) }
}
#[inline]
fn is_read_vectored(&self) -> bool {
true
}
}
impl Stdout {
pub const fn new() -> Stdout {
Stdout(())
}
}
impl io::Write for Stdout {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
unsafe { ManuallyDrop::new(FileDesc::from_raw_fd(libc::STDOUT_FILENO)).write(buf) }
}
fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
unsafe {
ManuallyDrop::new(FileDesc::from_raw_fd(libc::STDOUT_FILENO)).write_vectored(bufs)
}
}
#[inline]
fn is_write_vectored(&self) -> bool {
true
}
#[inline]
fn flush(&mut self) -> io::Result<()> {
Ok(())
}
}
impl Stderr {
pub const fn new() -> Stderr {
Stderr(())
}
}
impl io::Write for Stderr {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
unsafe { ManuallyDrop::new(FileDesc::from_raw_fd(libc::STDERR_FILENO)).write(buf) }
}
fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
unsafe {
ManuallyDrop::new(FileDesc::from_raw_fd(libc::STDERR_FILENO)).write_vectored(bufs)
}
}
#[inline]
fn is_write_vectored(&self) -> bool {
true
}
#[inline]
fn flush(&mut self) -> io::Result<()> {
Ok(())
}
}
pub fn is_ebadf(err: &io::Error) -> bool {
err.raw_os_error() == Some(libc::EBADF as i32)
}
pub const STDIN_BUF_SIZE: usize = crate::sys_common::io::DEFAULT_BUF_SIZE;
pub fn panic_output() -> Option<impl io::Write> {
Some(Stderr::new())
}
|
