From 90d3a96dc28b40e6e5addbaa2889eb9246ef1c58 Mon Sep 17 00:00:00 2001
From: Davide Pesavento <davidepesa@gmail.com>
Date: Fri, 25 Aug 2023 21:21:31 -0400
Subject: [PATCH] encoding: simplify readVarNumber()

Change-Id: I53ee1ec43d701a95aa79d8ea9f71dd61dbe74615
---
 ndn-cxx/encoding/tlv.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ndn-cxx/encoding/tlv.hpp b/ndn-cxx/encoding/tlv.hpp
index 86678ff7..43a603bb 100644
--- a/ndn-cxx/encoding/tlv.hpp
+++ b/ndn-cxx/encoding/tlv.hpp
@@ -358,8 +358,7 @@ readVarNumber(Iterator& begin, Iterator end, uint64_t& number) noexcept
     return true;
   }
 
-  size_t len = firstOctet == 253 ? 2 :
-               firstOctet == 254 ? 4 : 8;
+  size_t len = 1U << (firstOctet & 0b11);
   return detail::readNumber(len, begin, end, number);
 }