]> git.proxmox.com Git - rustc.git/blame - src/libstd/sys/unix/stdio.rs
Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / libstd / sys / unix / stdio.rs
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1// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
5// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8// option. This file may not be copied, modified, or distributed
9// except according to those terms.
10
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11use prelude::v1::*;
12
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13use io;
14use libc;
15use sys::fd::FileDesc;
16
17pub struct Stdin(());
18pub struct Stdout(());
19pub struct Stderr(());
20
21impl Stdin {
62682a34 22 pub fn new() -> io::Result<Stdin> { Ok(Stdin(())) }
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23
24 pub fn read(&self, data: &mut [u8]) -> io::Result<usize> {
25 let fd = FileDesc::new(libc::STDIN_FILENO);
26 let ret = fd.read(data);
27 fd.into_raw();
e9174d1e 28 ret
c34b1796 29 }
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30
31 pub fn read_to_end(&self, buf: &mut Vec<u8>) -> io::Result<usize> {
32 let fd = FileDesc::new(libc::STDIN_FILENO);
33 let ret = fd.read_to_end(buf);
34 fd.into_raw();
35 ret
36 }
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37}
38
39impl Stdout {
62682a34 40 pub fn new() -> io::Result<Stdout> { Ok(Stdout(())) }
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41
42 pub fn write(&self, data: &[u8]) -> io::Result<usize> {
43 let fd = FileDesc::new(libc::STDOUT_FILENO);
44 let ret = fd.write(data);
45 fd.into_raw();
e9174d1e 46 ret
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47 }
48}
49
50impl Stderr {
62682a34 51 pub fn new() -> io::Result<Stderr> { Ok(Stderr(())) }
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52
53 pub fn write(&self, data: &[u8]) -> io::Result<usize> {
54 let fd = FileDesc::new(libc::STDERR_FILENO);
55 let ret = fd.write(data);
56 fd.into_raw();
e9174d1e 57 ret
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58 }
59}
60
61// FIXME: right now this raw stderr handle is used in a few places because
62// std::io::stderr_raw isn't exposed, but once that's exposed this impl
63// should go away
64impl io::Write for Stderr {
65 fn write(&mut self, data: &[u8]) -> io::Result<usize> {
66 Stderr::write(self, data)
67 }
68 fn flush(&mut self) -> io::Result<()> { Ok(()) }
69}