35 lines
722 B
Rust
35 lines
722 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 Quad { a: u64, b: u64, c: u64, d: u64 }
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mod rustrt {
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use super::Quad;
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#[link(name = "rust_test_helpers", kind = "static")]
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extern {
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pub fn get_c_many_params(_: *const (), _: *const (),
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_: *const (), _: *const (), f: Quad) -> u64;
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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 = Quad {
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a: 1,
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b: 2,
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c: 3,
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d: 4
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};
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assert_eq!(rustrt::get_c_many_params(null, null, null, null, q), q.c);
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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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