6fa17b43d3
Makes the lint a bit more accurate, and improves the quality of the diagnostic messages by explicitly returning an error message. The new lint is also a little more aggressive: specifically, it now rejects tuples, and it recurses into function pointers.
50 lines
1.0 KiB
Rust
50 lines
1.0 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![deny(improper_ctypes)]
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#![allow(dead_code)]
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struct A {
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x: i32
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}
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#[repr(C, packed)]
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struct B {
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x: i32,
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y: A
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}
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#[repr(C)]
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struct C {
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x: i32
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}
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type A2 = A;
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type B2 = B;
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type C2 = C;
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#[repr(C)]
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struct D {
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x: C,
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y: A
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}
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extern "C" {
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fn foo(x: A); //~ ERROR found struct without foreign-function-safe
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fn bar(x: B); //~ ERROR foreign-function-safe
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fn baz(x: C);
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fn qux(x: A2); //~ ERROR foreign-function-safe
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fn quux(x: B2); //~ ERROR foreign-function-safe
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fn corge(x: C2);
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fn fred(x: D); //~ ERROR foreign-function-safe
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}
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fn main() { }
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