diff options
| -rw-r--r-- | src/actual_function.h | 14 |
1 files 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; } } |