diff options
Diffstat (limited to 'ctr-std/src/sys/redox/stdio.rs')
| -rw-r--r-- | ctr-std/src/sys/redox/stdio.rs | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/ctr-std/src/sys/redox/stdio.rs b/ctr-std/src/sys/redox/stdio.rs new file mode 100644 index 0000000..7a4d11b --- /dev/null +++ b/ctr-std/src/sys/redox/stdio.rs @@ -0,0 +1,81 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +use io; +use sys::{cvt, syscall}; +use sys::fd::FileDesc; + +pub struct Stdin(()); +pub struct Stdout(()); +pub struct Stderr(()); + +impl Stdin { + pub fn new() -> io::Result<Stdin> { Ok(Stdin(())) } + + pub fn read(&self, data: &mut [u8]) -> io::Result<usize> { + let fd = FileDesc::new(0); + let ret = fd.read(data); + fd.into_raw(); + ret + } +} + +impl Stdout { + pub fn new() -> io::Result<Stdout> { Ok(Stdout(())) } + + pub fn write(&self, data: &[u8]) -> io::Result<usize> { + let fd = FileDesc::new(1); + let ret = fd.write(data); + fd.into_raw(); + ret + } + + pub fn flush(&self) -> io::Result<()> { + cvt(syscall::fsync(1)).and(Ok(())) + } +} + +impl Stderr { + pub fn new() -> io::Result<Stderr> { Ok(Stderr(())) } + + pub fn write(&self, data: &[u8]) -> io::Result<usize> { + let fd = FileDesc::new(2); + let ret = fd.write(data); + fd.into_raw(); + ret + } + + pub fn flush(&self) -> io::Result<()> { + cvt(syscall::fsync(2)).and(Ok(())) + } +} + +// FIXME: right now this raw stderr handle is used in a few places because +// std::io::stderr_raw isn't exposed, but once that's exposed this impl +// should go away +impl io::Write for Stderr { + fn write(&mut self, data: &[u8]) -> io::Result<usize> { + Stderr::write(self, data) + } + + fn flush(&mut self) -> io::Result<()> { + Stderr::flush(self) + } +} + +pub fn is_ebadf(err: &io::Error) -> bool { + err.raw_os_error() == Some(::sys::syscall::EBADF as i32) +} + +pub const STDIN_BUF_SIZE: usize = ::sys_common::io::DEFAULT_BUF_SIZE; + +pub fn stderr_prints_nothing() -> bool { + false +} |