Adapt `get_actual_function` template to accept newly introduced `function_ptr`

1 files changed, 10 insertions, 18 deletions

diff --git a/src/actual_function.h b/src/actual.h
index ff69a13..af64ec3 100644
--- a/src/actual_function.h
+++ b/src/actual.h
@@ -16,12 +16,11 @@ namespace {
 	template <class Result, typename... Arguments>
 	using function_ptr = Result(*)(Arguments...);
 
-	template <class Result, typename... Arguments>
-	function_ptr<Result, Arguments...> get_actual_function(
-		const std::string& symbol_name) {
+	template <typename FunctionPtr>
+	FunctionPtr get_actual_function(const std::string& symbol_name) {
 		const void* symbol_address{ dlsym(RTLD_NEXT, symbol_name.c_str()) };
 
-		function_ptr<Result, Arguments...> actual_function{};
+		FunctionPtr actual_function{};
 		std::memcpy(&actual_function, &symbol_address, sizeof(symbol_address));
 
 		return actual_function;
@@ -30,38 +29,31 @@ namespace {
 
 namespace actual {
 	static auto write = get_actual_function<
-		ssize_t,
-		int, const void*, size_t
+		function_ptr<ssize_t, int, const void*, size_t>
 	>("write");
 
 	static auto writev = get_actual_function<
-		ssize_t,
-		int, const iovec*, int
+		function_ptr<ssize_t, int, const iovec*, int>
 	>("writev");
 
 	static auto rename = get_actual_function<
-		int,
-		const char*, const char*
+		function_ptr<int, const char*, const char*>
 	>("rename");
 
 	static auto rmdir = get_actual_function<
-		int,
-		const char*
+		function_ptr<int, const char*>
 	>("rmdir");
 
 	static auto unlink = get_actual_function<
-		int,
-		const char*
+		function_ptr<int, const char*>
 	>("unlink");
 
 	static auto unlinkat = get_actual_function<
-		int,
-		int, const char*, int
+		function_ptr<int, int, const char*, int>
 	>("unlinkat");
 
 	static auto mmap = get_actual_function<
-		void*,
-		void*, size_t, int, int, int, off_t
+		function_ptr<void*, void*, size_t, int, int, int, off_t>
 	>("mmap");
 }