Merge pull request #5 from oli-obk/patch-1

Update alloc API to latest nightly
rust-embedded · Apr 29, 2017 · e115a58 · e115a58
2 parents 688bc7f + d953f72
commit e115a58
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -97,6 +97,18 @@ pub extern "C" fn __rust_allocate(size: usize, align: usize) -> *mut u8 {
     })
 }
 
+#[doc(hidden)]
+#[no_mangle]
+pub extern fn __rust_allocate_zeroed(size: usize, align: usize) -> *mut u8 {
+    let ptr = __rust_allocate(size, align);
+    if !ptr.is_null() {
+        unsafe {
+            ptr::write_bytes(ptr, 0, size);
+        }
+    }
+    ptr
+}
+
 /// Rust de-allocation function (c.f. free)
 #[doc(hidden)]
 #[no_mangle]