From a77554ce37596d97fbae920e542c257958bc5b48 Mon Sep 17 00:00:00 2001
From: Deniz Evrenci <denizevrenci@gmail.com>
Date: Mon, 7 Jan 2019 14:30:34 +0900
Subject: [PATCH] [C++] Use const reference to avoid potential copies.

---
 aeron-client/src/main/cpp/util/CommandOption.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aeron-client/src/main/cpp/util/CommandOption.h b/aeron-client/src/main/cpp/util/CommandOption.h
index cd6c72cd0a8..e3b443e10f6 100644
--- a/aeron-client/src/main/cpp/util/CommandOption.h
+++ b/aeron-client/src/main/cpp/util/CommandOption.h
@@ -59,7 +59,7 @@ class CommandOption
         return m_helpText;
     }
 
-    void addParam(std::string p)
+    void addParam(const std::string& p)
     {
         m_params.push_back(p);
     }