From 708e5004e8aabbdcf7c09e23cc5f84818e2893fb Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Thu, 22 Aug 2019 09:17:19 -0400
Subject: [PATCH] =?UTF-8?q?Fix=20badly=20computed=20output=20size=20in=20?=
 =?UTF-8?q?=C2=B5Block.base64.encode()?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This bug could cause losing 1 to 3 bytes of information
dropped from various internal buffers at encoding time.

Possibly related feedback:
- https://www.reddit.com/r/uBlockOrigin/comments/cs1y26/
---
 src/js/utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/utils.js b/src/js/utils.js
index 728b3ee74..ee04159d7 100644
--- a/src/js/utils.js
+++ b/src/js/utils.js
@@ -544,7 +544,7 @@
     }
 
     encode(arrbuf, arrlen) {
-        const inputLength = arrlen >>> 2;
+        const inputLength = (arrlen + 3) >>> 2;
         const inbuf = new Uint32Array(arrbuf, 0, inputLength);
         const outputLength = this.magic.length + 7 + inputLength * 7;
         const outbuf = new Uint8Array(outputLength);