From 5855143da8f568edca488a19b0cd2f4d740d277c Mon Sep 17 00:00:00 2001
From: Dominic Tarr <dominic.tarr@gmail.com>
Date: Thu, 8 May 2014 23:47:29 +0200
Subject: [PATCH] use divide when number is too large for bitwise operations

---
 encode.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/encode.js b/encode.js
index 3320033..34a11a6 100644
--- a/encode.js
+++ b/encode.js
@@ -3,17 +3,22 @@ module.exports = encode
 var MSB = 0x80
   , REST = 0x7F
   , MSBALL = ~REST
+  , INT = Math.pow(2, 31)
 
 function encode(num, out, offset) {
   out = out || []
   offset = offset || 0
   var oldOffset = offset
 
-  while(num & MSBALL) {
-    out[offset++] = (num & 0xFF) | MSB 
+  while(num >= INT) {
+    out[offset++] = (num & 0xFF) | MSB
+    num /= 128
+  }
+  while(num >= 0x80) {
+    out[offset++] = (num & 0xFF) | MSB
     num >>>= 7
   }
-  out[offset] = num
+  out[offset] = num | 0
   
   encode.bytesWritten = offset - oldOffset + 1