From f2a90174bb36b9ad528e863ab34c02ebce002b02 Mon Sep 17 00:00:00 2001
From: Valentin <valentin@devling.xyz>
Date: Fri, 15 Jun 2018 18:57:24 +0200
Subject: Update for latest nightly 2018-06-09 (#70)

* Update for latest nightly 2018-06-09
* We now have a proper horizon os and sys modules in libstd
---
 ctr-std/src/sys/wasm/stdio.rs | 75 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 ctr-std/src/sys/wasm/stdio.rs

(limited to 'ctr-std/src/sys/wasm/stdio.rs')

diff --git a/ctr-std/src/sys/wasm/stdio.rs b/ctr-std/src/sys/wasm/stdio.rs
new file mode 100644
index 0000000..023f295
--- /dev/null
+++ b/ctr-std/src/sys/wasm/stdio.rs
@@ -0,0 +1,75 @@
+// Copyright 2017 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::{ReadSysCall, WriteSysCall};
+
+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> {
+        Ok(ReadSysCall::perform(0, data))
+    }
+}
+
+impl Stdout {
+    pub fn new() -> io::Result<Stdout> {
+        Ok(Stdout)
+    }
+
+    pub fn write(&self, data: &[u8]) -> io::Result<usize> {
+        WriteSysCall::perform(1, data);
+        Ok(data.len())
+    }
+
+    pub fn flush(&self) -> io::Result<()> {
+        Ok(())
+    }
+}
+
+impl Stderr {
+    pub fn new() -> io::Result<Stderr> {
+        Ok(Stderr)
+    }
+
+    pub fn write(&self, data: &[u8]) -> io::Result<usize> {
+        WriteSysCall::perform(2, data);
+        Ok(data.len())
+    }
+
+    pub fn flush(&self) -> io::Result<()> {
+        Ok(())
+    }
+}
+
+impl io::Write for Stderr {
+    fn write(&mut self, data: &[u8]) -> io::Result<usize> {
+        (&*self).write(data)
+    }
+    fn flush(&mut self) -> io::Result<()> {
+        (&*self).flush()
+    }
+}
+
+pub const STDIN_BUF_SIZE: usize = 0;
+
+pub fn is_ebadf(_err: &io::Error) -> bool {
+    true
+}
+
+pub fn stderr_prints_nothing() -> bool {
+    !cfg!(feature = "wasm_syscall")
+}
-- 
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