1 files changed, 78 insertions, 0 deletions
diff --git a/toolkit/components/lz4/lz4_internal.js b/toolkit/components/lz4/lz4_internal.js
new file mode 100644
index 0000000000..9fd06cd69a
--- /dev/null
+++ b/toolkit/components/lz4/lz4_internal.js
@@ -0,0 +1,78 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* eslint-env commonjs */
+
+"use strict";
+
+var Primitives = {};
+
+var SharedAll;
+if (typeof Components != "undefined") {
+  SharedAll = {};
+  ChromeUtils.import(
+    "resource://gre/modules/osfile/osfile_shared_allthreads.jsm",
+    SharedAll
+  );
+
+  this.EXPORTED_SYMBOLS = ["Primitives"];
+  this.Primitives = Primitives;
+  this.exports = {};
+} else if (typeof module != "undefined" && typeof require != "undefined") {
+  SharedAll = require("resource://gre/modules/osfile/osfile_shared_allthreads.jsm");
+} else {
+  throw new Error(
+    "Please load this module with Component.utils.import or with require()"
+  );
+}
+
+var libxul = new SharedAll.Library("libxul", SharedAll.Constants.Path.libxul);
+var Type = SharedAll.Type;
+
+libxul.declareLazyFFI(
+  Primitives,
+  "compress",
+  "workerlz4_compress",
+  null,
+  /* return*/ Type.size_t,
+  /* const source*/ Type.void_t.in_ptr,
+  /* inputSize*/ Type.size_t,
+  /* dest*/ Type.void_t.out_ptr
+);
+
+libxul.declareLazyFFI(
+  Primitives,
+  "decompress",
+  "workerlz4_decompress",
+  null,
+  /* return*/ Type.int,
+  /* const source*/ Type.void_t.in_ptr,
+  /* inputSize*/ Type.size_t,
+  /* dest*/ Type.void_t.out_ptr,
+  /* maxOutputSize*/ Type.size_t,
+  /* actualOutputSize*/ Type.size_t.out_ptr
+);
+
+libxul.declareLazyFFI(
+  Primitives,
+  "maxCompressedSize",
+  "workerlz4_maxCompressedSize",
+  null,
+  /* return*/ Type.size_t,
+  /* inputSize*/ Type.size_t
+);
+
+if (typeof module != "undefined") {
+  module.exports = {
+    get compress() {
+      return Primitives.compress;
+    },
+    get decompress() {
+      return Primitives.decompress;
+    },
+    get maxCompressedSize() {
+      return Primitives.maxCompressedSize;
+    },
+  };
+}