From db6a1fcdb75cf9f45626cf43b4883ed3de016a6c Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gunnar.beutner@icinga.com>
Date: Wed, 29 Nov 2017 14:11:09 +0100
Subject: [PATCH] Avoid unnecessary allocations in the FunctionCallExpression
 class

---
 lib/config/expression.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/config/expression.cpp b/lib/config/expression.cpp
index 3f95435a0..a2a75f62f 100644
--- a/lib/config/expression.cpp
+++ b/lib/config/expression.cpp
@@ -428,6 +428,7 @@ ExpressionResult FunctionCallExpression::DoEvaluate(ScriptFrame& frame, DebugHin
 
 	if (vfunc.IsObjectType<Type>()) {
 		std::vector<Value> arguments;
+		arguments.reserve(m_Args.size());
 		for (Expression *arg : m_Args) {
 			ExpressionResult argres = arg->Evaluate(frame);
 			CHECK_RESULT(argres);
@@ -447,6 +448,7 @@ ExpressionResult FunctionCallExpression::DoEvaluate(ScriptFrame& frame, DebugHin
 		BOOST_THROW_EXCEPTION(ScriptError("Function is not marked as safe for sandbox mode.", m_DebugInfo));
 
 	std::vector<Value> arguments;
+	arguments.reserve(m_Args.size());
 	for (Expression *arg : m_Args) {
 		ExpressionResult argres = arg->Evaluate(frame);
 		CHECK_RESULT(argres);