From 314284f434f4730490f6bf1f2871c9d072010198 Mon Sep 17 00:00:00 2001
From: Tink Team <tink-dev@google.com>
Date: Fri, 8 Sep 2023 04:07:47 -0700
Subject: [PATCH] Using string::push_back instead of string::append and
 reinterpret_cast.

PiperOrigin-RevId: 563709303
Change-Id: Ie632457aa9885c6846a4bf4d330bd98c40a47fed
---
 tink/mac/mac_wrapper.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tink/mac/mac_wrapper.cc b/tink/mac/mac_wrapper.cc
index 53c57fc1..ec143e51 100644
--- a/tink/mac/mac_wrapper.cc
+++ b/tink/mac/mac_wrapper.cc
@@ -90,8 +90,7 @@ util::StatusOr<std::string> MacSetWrapper::ComputeMac(
   std::string local_data;
   if (primary->get_output_prefix_type() == OutputPrefixType::LEGACY) {
     local_data = std::string(data);
-    local_data.append(
-        reinterpret_cast<const char*>(&CryptoFormat::kLegacyStartByte), 1);
+    local_data.push_back(CryptoFormat::kLegacyStartByte);
     data = local_data;
   }
   auto compute_mac_result = primary->get_primitive().ComputeMac(data);