| // run-pass |
| #![allow(dead_code)] |
| #![allow(improper_ctypes)] |
| |
| // ignore-wasm32-bare no libc to test ffi with |
| |
| #[derive(Copy, Clone)] |
| pub struct QuadFloats { a: f32, b: f32, c: f32, d: f32 } |
| |
| mod rustrt { |
| use super::QuadFloats; |
| |
| #[link(name = "rust_test_helpers", kind = "static")] |
| extern { |
| pub fn get_c_exhaust_sysv64_ints( |
| _: *const (), |
| _: *const (), |
| _: *const (), |
| _: *const (), |
| _: *const (), |
| _: *const (), |
| _: *const (), |
| h: QuadFloats, |
| ) -> f32; |
| } |
| } |
| |
| fn test() { |
| unsafe { |
| let null = std::ptr::null(); |
| let q = QuadFloats { |
| a: 10.2, |
| b: 20.3, |
| c: 30.4, |
| d: 40.5 |
| }; |
| assert_eq!( |
| rustrt::get_c_exhaust_sysv64_ints(null, null, null, null, null, null, null, q), |
| q.c, |
| ); |
| } |
| } |
| |
| pub fn main() { |
| test(); |
| } |
