mirror of
https://github.com/rust-lang/rust
synced 2024-10-01 14:25:08 +00:00
47 lines
908 B
Rust
47 lines
908 B
Rust
// run-pass
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#![allow(dead_code)]
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#![allow(improper_ctypes)]
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// ignore-wasm32-bare no libc to test ffi with
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#[derive(Copy, Clone)]
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pub struct QuadFloats {
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a: f32,
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b: f32,
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c: f32,
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d: f32,
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}
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mod rustrt {
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use super::QuadFloats;
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#[link(name = "rust_test_helpers", kind = "static")]
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extern "C" {
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pub fn get_c_exhaust_sysv64_ints(
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_: *const (),
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_: *const (),
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_: *const (),
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_: *const (),
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_: *const (),
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_: *const (),
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_: *const (),
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h: QuadFloats,
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) -> f32;
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}
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}
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fn test() {
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unsafe {
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let null = std::ptr::null();
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let q = QuadFloats { a: 10.2, b: 20.3, c: 30.4, d: 40.5 };
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assert_eq!(
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rustrt::get_c_exhaust_sysv64_ints(null, null, null, null, null, null, null, q),
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q.c,
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);
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}
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}
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pub fn main() {
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test();
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}
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