add license header to *.rs files

Author: Andreas Auernhammer

benches/writer.rs

@@ -1,3 +1,7 @@
+// Copyright (c) 2019 Andreas Auernhammer. All rights reserved.
+// Use of this source code is governed by a license that can be
+// found in the LICENSE file.
+
 #![feature(test)]
 
 use sio::*;

src/aead.rs

@@ -1,3 +1,7 @@
+// Copyright (c) 2019 Andreas Auernhammer. All rights reserved.
+// Use of this source code is governed by a license that can be
+// found in the LICENSE file.
+
 use crate::error::{Exceeded, Invalid, NotAuthentic};
 use std::marker::PhantomData;
 

src/error.rs

@@ -1,3 +1,7 @@
+// Copyright (c) 2019 Andreas Auernhammer. All rights reserved.
+// Use of this source code is governed by a license that can be
+// found in the LICENSE file.
+
 use std::{error::Error, fmt, io};
 
 /// An error indicating that the encrypted data is not authentic - e.g.

src/lib.rs

@@ -1,3 +1,7 @@
+// Copyright (c) 2019 Andreas Auernhammer. All rights reserved.
+// Use of this source code is governed by a license that can be
+// found in the LICENSE file.
+
 //! Authenticated encryption for I/O streams.
 //!
 //! The `sio` crate implements authenticated encryption for the `Read` and `Write` traits.
@@ -127,9 +131,11 @@ pub use self::writer::{Close, DecWriter, EncWriter};
 
 mod aead;
 mod error;
-mod ring;
 mod writer;
 
+#[cfg(feature = "ring")]
+mod ring;
+
 #[cfg(feature = "ring")]
 pub use self::ring::AES_256_GCM;
 

src/ring.rs

@@ -1,3 +1,7 @@
+// Copyright (c) 2019 Andreas Auernhammer. All rights reserved.
+// Use of this source code is governed by a license that can be
+// found in the LICENSE file.
+
 extern crate ring;
 
 use super::aead::Algorithm;

src/writer.rs

@@ -1,3 +1,7 @@
+// Copyright (c) 2019 Andreas Auernhammer. All rights reserved.
+// Use of this source code is governed by a license that can be
+// found in the LICENSE file.
+
 use super::aead::Counter;
 use super::{Aad, Algorithm, Invalid, Key, Nonce, BUF_SIZE, MAX_BUF_SIZE};
 use std::io;

tests/writer_tests.rs

@@ -1,3 +1,7 @@
+// Copyright (c) 2019 Andreas Auernhammer. All rights reserved.
+// Use of this source code is governed by a license that can be
+// found in the LICENSE file.
+
 use sio::*;
 use std::{io, io::Write};