Merge pull request #8 from remram44/zlib-copyright

Include copyright notice from zlib

Cargo.toml

@@ -7,7 +7,7 @@ documentation = "https://remram44.github.io/adler32-rs/index.html"
 repository = "https://github.com/remram44/adler32-rs"
 readme = "README.md"
 keywords = ["adler32", "hash", "rolling"]
-license = "BSD-3-Clause"
+license = "BSD-3-Clause AND Zlib"
 
 [dev-dependencies]
 rand = "0.4"

LICENSE-ZLIB

@@ -0,0 +1,22 @@
+Copyright notice:
+
+ (C) 1995-2017 Jean-loup Gailly and Mark Adler
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  Jean-loup Gailly        Mark Adler
+  [email protected]          [email protected]

README.md

@@ -8,4 +8,6 @@ What is this?
 
 It is an implementation of the [Adler32 rolling hash algorithm](https://en.wikipedia.org/wiki/Adler-32) in the [Rust programming language](https://www.rust-lang.org/).
 
+It is adapted from Jean-Loup Gailly's and Mark Adler's [original implementation in zlib](https://github.com/madler/zlib/blob/2fa463bacfff79181df1a5270fb67cc679a53e71/adler32.c). A copy of the zlib copyright and license can be found in LICENSE-ZLIB.
+
 [Generated documentation](https://remram44.github.io/adler32-rs/index.html)