efc7f82bc4
adjusting a few foreign functions that were declared with by-ref mode. This also allows us to remove by-val mode in the near future. With copy mode, though, we have to be careful because Rust will implicitly pass somethings by pointer but this may not be the C ABI rules. For example, rust will pass a struct Foo as a Foo*. So I added some code into the adapters to fix this (though the C ABI rules may put the pointer back, oh well). This patch also includes a lint mode for the use of by-ref mode in foreign functions as the semantics of this have changed.
23 lines
686 B
Rust
23 lines
686 B
Rust
// Copyright 2012 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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// Test a function that takes/returns a u8.
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pub extern {
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pub fn rust_dbg_extern_identity_u8(v: u8) -> u8;
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}
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pub fn main() {
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unsafe {
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fail_unless!(22_u8 == rust_dbg_extern_identity_u8(22_u8));
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}
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}
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