From cc34929da6adf64acdf5434f91a3a0cb38df76e3 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Thu, 29 Sep 2016 00:29:39 +0200
Subject: [PATCH] off-by-one

---
 lib/wallet/emscriptif.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/wallet/emscriptif.ts b/lib/wallet/emscriptif.ts
index 9a1d902c0..5879300e7 100644
--- a/lib/wallet/emscriptif.ts
+++ b/lib/wallet/emscriptif.ts
@@ -665,9 +665,9 @@ export class ByteArray extends PackedArenaObject {
   }
 
   static fromCrock(s: string, a?: Arena): ByteArray {
-    let byteLength = countBytes(s) + 1;
-    let hstr = emscAlloc.malloc(byteLength);
-    Module.stringToUTF8(s, hstr, byteLength);
+    let byteLength = countBytes(s);
+    let hstr = emscAlloc.malloc(byteLength + 1);
+    Module.stringToUTF8(s, hstr, byteLength + 1);
     let decodedLen = Math.floor((byteLength * 5) / 8);
     let ba = new ByteArray(decodedLen, undefined, a);
     let res = emsc.string_to_data(hstr, byteLength, ba.nativePtr, decodedLen);