1 files changed, 8 insertions, 6 deletions
diff --git a/src/library_fs.js b/src/library_fs.js
index 63a8f8c5..c30876f5 100644
--- a/src/library_fs.js
+++ b/src/library_fs.js
@@ -1059,6 +1059,9 @@ mergeInto(LibraryManager.library, {
       opts = opts || {};
       opts.flags = opts.flags || 'r';
       opts.encoding = opts.encoding || 'binary';
+      if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
+        throw new Error('Invalid encoding type "' + opts.encoding + '"');
+      }
       var ret;
       var stream = FS.open(path, opts.flags);
       var stat = FS.stat(path);
@@ -1073,8 +1076,6 @@ mergeInto(LibraryManager.library, {
         }
       } else if (opts.encoding === 'binary') {
         ret = buf;
-      } else {
-        throw new Error('Invalid encoding type "' + opts.encoding + '"');
       }
       FS.close(stream);
       return ret;
@@ -1083,15 +1084,16 @@ mergeInto(LibraryManager.library, {
       opts = opts || {};
       opts.flags = opts.flags || 'w';
       opts.encoding = opts.encoding || 'utf8';
+      if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
+        throw new Error('Invalid encoding type "' + opts.encoding + '"');
+      }
       var stream = FS.open(path, opts.flags, opts.mode);
       if (opts.encoding === 'utf8') {
         var utf8 = new Runtime.UTF8Processor();
         var buf = new Uint8Array(utf8.processJSString(data));
-        FS.write(stream, buf, 0, buf.length, 0);
+        FS.write(stream, buf, 0, buf.length, 0, opts.canOwn);
       } else if (opts.encoding === 'binary') {
-        FS.write(stream, data, 0, data.length, 0);
-      } else {
-        throw new Error('Invalid encoding type "' + opts.encoding + '"');
+        FS.write(stream, data, 0, data.length, 0, opts.canOwn);
       }
       FS.close(stream);
     },