mirror of https://github.com/rust-lang/rust
39 lines
678 B
Rust
39 lines
678 B
Rust
//@ run-pass
|
|
#![allow(dead_code)]
|
|
#![allow(improper_ctypes)]
|
|
|
|
#[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 "C" {
|
|
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();
|
|
}
|