54 lines
1.1 KiB
Rust
54 lines
1.1 KiB
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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enum arena = ();
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type bcx = {
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fcx: &fcx
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};
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type fcx = {
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arena: &arena,
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ccx: &ccx
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};
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type ccx = {
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x: int
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};
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fn alloc(_bcx : &arena) -> &bcx unsafe {
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return cast::reinterpret_cast(
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&libc::malloc(sys::size_of::<bcx/&blk>() as libc::size_t));
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}
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fn h(bcx : &bcx) -> &bcx {
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return alloc(bcx.fcx.arena);
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}
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fn g(fcx : &fcx) {
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let bcx = { fcx: fcx };
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let bcx2 = h(&bcx);
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unsafe {
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libc::free(cast::reinterpret_cast(&bcx2));
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}
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}
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fn f(ccx : &ccx) {
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let a = arena(());
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let fcx = { arena: &a, ccx: ccx };
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return g(&fcx);
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}
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fn main() {
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let ccx = { x: 0 };
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f(&ccx);
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}
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