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/args.rs | 62 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 ctr-std/src/sys/wasm/args.rs

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

diff --git a/ctr-std/src/sys/wasm/args.rs b/ctr-std/src/sys/wasm/args.rs
new file mode 100644
index 0000000..b3c6b67
--- /dev/null
+++ b/ctr-std/src/sys/wasm/args.rs
@@ -0,0 +1,62 @@
+// 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 ffi::OsString;
+use marker::PhantomData;
+use vec;
+use sys::ArgsSysCall;
+
+pub unsafe fn init(_argc: isize, _argv: *const *const u8) {
+    // On wasm these should always be null, so there's nothing for us to do here
+}
+
+pub unsafe fn cleanup() {
+}
+
+pub fn args() -> Args {
+    let v = ArgsSysCall::perform();
+    Args {
+        iter: v.into_iter(),
+        _dont_send_or_sync_me: PhantomData,
+    }
+}
+
+pub struct Args {
+    iter: vec::IntoIter<OsString>,
+    _dont_send_or_sync_me: PhantomData<*mut ()>,
+}
+
+impl Args {
+    pub fn inner_debug(&self) -> &[OsString] {
+        self.iter.as_slice()
+    }
+}
+
+impl Iterator for Args {
+    type Item = OsString;
+    fn next(&mut self) -> Option<OsString> {
+        self.iter.next()
+    }
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.iter.size_hint()
+    }
+}
+
+impl ExactSizeIterator for Args {
+    fn len(&self) -> usize {
+        self.iter.len()
+    }
+}
+
+impl DoubleEndedIterator for Args {
+    fn next_back(&mut self) -> Option<OsString> {
+        self.iter.next_back()
+    }
+}
-- 
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