Get the byte count of the string.

joshaber · joshaber · commit 5c04ba7b6d94 · 2016-03-04T11:43:40.000-05:00
diff --git a/lib/diff.js b/lib/diff.js
@@ -68,7 +68,15 @@ Diff.blobToBuffer= function(
     binary_cb,
     hunk_cb,
     line_cb) {
-  var bufferLength = !buffer ? 0 : buffer.length;
+  var bufferText;
+  var bufferLength;
+  if (buffer instanceof Buffer) {
+    bufferText = buffer.toString("utf8");
+    bufferLength = buffer.length;
+  } else {
+    bufferText = buffer;
+    bufferLength = !buffer ? 0 : Buffer.byteLength(buffer, "utf8");
+  }
 
   opts = normalizeOptions(opts, NodeGit.DiffOptions);
 
