Function fermium::gamecontroller::SDL_GameControllerAddMappingsFromRW

pub unsafe extern "C" fn SDL_GameControllerAddMappingsFromRW(
    rw: *mut SDL_RWops, 
    freerw: c_int
) -> c_int

Load a set of mappings from a seekable SDL data stream (memory or file).

This is filtered by the current [SDL_GetPlatform].

A community sourced database of controllers is available on github

If freerw is non-zero, the stream will be closed after being read.

Returns: number of mappings added, -1 on error