renaming DLL functions in JNA using StdCallFunctionMapper

Question

I\'m trying to use JNA with a DLL in Windows, so far I was able to successfully call a function called c_aa_find_devices(). But all the functions start with

Answer 1

From the documentation you need to provide a FunctionMapper in the original call to loadLibrary that converts the name. However you also need to keep the standard call mapping so try something like the following:

Map options = new HashMap();

options.
    put(
        Library.OPTION_FUNCTION_MAPPER, 
        new StdCallFunctionWrapper() {
            public String getFunctionName(NativeLibrary library, Method method) {
                if (method.getName().equals("findDevices") 
                    method.setName("c_aa_find_devices");
                // do any others
                return super.getFunctionName(library, method);
            }
        }
    );

Native.loadLibrary(..., ..., options);