File: lint-ffi-safety-all-phantom.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 934,128 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (22 lines) | stat: -rw-r--r-- 450 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// This is a regression test for issue https://github.com/rust-lang/rust/issues/106629.
// It ensures that transparent types where all fields are PhantomData are marked as
// FFI-safe.

//@ check-pass

#[repr(transparent)]
#[derive(Copy, Clone)]
struct MyPhantom(core::marker::PhantomData<u8>);

#[repr(C)]
#[derive(Copy, Clone)]
pub struct Bar {
    pub x: i32,
    _marker: MyPhantom,
}

extern "C" {
    pub fn foo(bar: *mut Bar);
}

fn main() {}