From f4353423207c451244ce9118b54ef3dcb28c7f89 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Tue, 16 Feb 2016 23:30:16 +0100
Subject: Replace `std::function` with raw function pointer

---
 src/actual_function.h | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/actual_function.h b/src/actual_function.h
index 8229ccf..ff69a13 100644
--- a/src/actual_function.h
+++ b/src/actual_function.h
@@ -14,15 +14,17 @@
 
 namespace {
 	template <class Result, typename... Arguments>
-	std::function<Result(Arguments...)> get_actual_function(
-		const std::string& symbol_name) {
+	using function_ptr = Result(*)(Arguments...);
 
-		Result (*real_function)(Arguments...) = nullptr;
-		const void* symbol_address = dlsym(RTLD_NEXT, symbol_name.c_str());
+	template <class Result, typename... Arguments>
+	function_ptr<Result, Arguments...> get_actual_function(
+		const std::string& symbol_name) {
+		const void* symbol_address{ dlsym(RTLD_NEXT, symbol_name.c_str()) };
 
-		std::memcpy(&real_function, &symbol_address, sizeof(symbol_address));
+		function_ptr<Result, Arguments...> actual_function{};
+		std::memcpy(&actual_function, &symbol_address, sizeof(symbol_address));
 
-		return std::function<Result(Arguments...)>(real_function);
+		return actual_function;
 	}
 }
 
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