From 36cfb234d5f867a59f102ac2ffd71dc1c669cf46 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Fri, 16 Oct 2020 06:22:26 -0400
Subject: udp/client: Take std::function by const reference with
 TestCommunication()

Avoids redundant copies.
---
 src/input_common/udp/client.cpp | 6 +++---
 src/input_common/udp/client.h   | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/input_common/udp/client.cpp b/src/input_common/udp/client.cpp
index bb109562c..e3dd8a4be 100644
--- a/src/input_common/udp/client.cpp
+++ b/src/input_common/udp/client.cpp
@@ -333,15 +333,15 @@ const std::array<Common::SPSCQueue<UDPPadStatus>, 4>& Client::GetPadQueue() cons
 }
 
 void TestCommunication(const std::string& host, u16 port, std::size_t pad_index, u32 client_id,
-                       std::function<void()> success_callback,
-                       std::function<void()> failure_callback) {
+                       const std::function<void()>& success_callback,
+                       const std::function<void()>& failure_callback) {
     std::thread([=] {
         Common::Event success_event;
         SocketCallback callback{[](Response::Version version) {}, [](Response::PortInfo info) {},
                                 [&](Response::PadData data) { success_event.Set(); }};
         Socket socket{host, port, pad_index, client_id, std::move(callback)};
         std::thread worker_thread{SocketLoop, &socket};
-        bool result = success_event.WaitFor(std::chrono::seconds(8));
+        const bool result = success_event.WaitFor(std::chrono::seconds(8));
         socket.Stop();
         worker_thread.join();
         if (result) {
diff --git a/src/input_common/udp/client.h b/src/input_common/udp/client.h
index 2491a03a2..747e0c0a2 100644
--- a/src/input_common/udp/client.h
+++ b/src/input_common/udp/client.h
@@ -150,7 +150,7 @@ private:
 };
 
 void TestCommunication(const std::string& host, u16 port, std::size_t pad_index, u32 client_id,
-                       std::function<void()> success_callback,
-                       std::function<void()> failure_callback);
+                       const std::function<void()>& success_callback,
+                       const std::function<void()>& failure_callback);
 
 } // namespace InputCommon::CemuhookUDP
-- 
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