| // run-pass |
| #![allow(dead_code)] |
| #![allow(improper_ctypes)] |
| |
| // ignore-wasm32-bare no libc to test ffi with |
| |
| #[derive(Copy, Clone)] |
| pub struct Quad { a: u64, b: u64, c: u64, d: u64 } |
| |
| mod rustrt { |
| use super::Quad; |
| |
| #[link(name = "rust_test_helpers", kind = "static")] |
| extern { |
| pub fn get_c_many_params(_: *const (), _: *const (), |
| _: *const (), _: *const (), f: Quad) -> u64; |
| } |
| } |
| |
| fn test() { |
| unsafe { |
| let null = std::ptr::null(); |
| let q = Quad { |
| a: 1, |
| b: 2, |
| c: 3, |
| d: 4 |
| }; |
| assert_eq!(rustrt::get_c_many_params(null, null, null, null, q), q.c); |
| } |
| } |
| |
| pub fn main() { |
| test(); |
| } |
