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This commit is contained in:
Mackenzie Clark
2019-03-28 11:41:45 -07:00
parent d8347a3d40 4bbf9903f3
commit 5294eb6b0d
20 changed files with 234 additions and 41 deletions
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39
lib/runtime-abi/src/vfs/device_file.rs
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@ -1,7 +1,7 @@
use crate::vfs::file_like::{FileLike, Metadata};
use failure::Error;
use std::io;
use std::io::{Read, Write};
use std::io::{Seek, Write};
pub struct Stdin;
pub struct Stdout;
@ -15,10 +15,18 @@ impl FileLike for Stdin {
fn write_file(&mut self, _buf: &[u8], _offset: usize) -> Result<usize, io::Error> {
unimplemented!()
}
fn read_file(&mut self, _buf: &mut [u8], _offset: usize) -> Result<usize, io::Error> {
unimplemented!()
}
fn set_file_len(&mut self, _len: usize) -> Result<(), failure::Error> {
panic!("Cannot set length of stdin");
}
}
impl Read for Stdin {
fn read(&mut self, _buf: &mut [u8]) -> Result<usize, io::Error> {
impl io::Seek for Stdin {
fn seek(&mut self, _pos: io::SeekFrom) -> Result<u64, io::Error> {
unimplemented!()
}
}
@ -33,10 +41,19 @@ impl FileLike for Stdout {
let mut handle = stdout.lock();
handle.write(buf)
}
fn read_file(&mut self, _buf: &mut [u8], _offset: usize) -> Result<usize, io::Error> {
unimplemented!()
}
fn set_file_len(&mut self, _len: usize) -> Result<(), failure::Error> {
panic!("Cannot set length of stdout");
}
}
impl Read for Stdout {
fn read(&mut self, _buf: &mut [u8]) -> Result<usize, io::Error> {
impl io::Seek for Stdout {
fn seek(&mut self, _pos: io::SeekFrom) -> Result<u64, io::Error> {
unimplemented!()
}
}
@ -51,10 +68,18 @@ impl FileLike for Stderr {
let mut handle = stderr.lock();
handle.write(buf)
}
fn read_file(&mut self, _buf: &mut [u8], _offset: usize) -> Result<usize, io::Error> {
unimplemented!()
}
fn set_file_len(&mut self, _len: usize) -> Result<(), failure::Error> {
panic!("Cannot set length of stderr");
}
}
impl Read for Stderr {
fn read(&mut self, _buf: &mut [u8]) -> Result<usize, io::Error> {
impl io::Seek for Stderr {
fn seek(&mut self, _pos: io::SeekFrom) -> Result<u64, io::Error> {
unimplemented!()
}
}