1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![crate_name="externcallback"]
12 #![crate_type = "lib"]
19 #[link(name = "rust_test_helpers")]
21 pub fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t) -> libc::uintptr_t,
22 data: libc::uintptr_t)
27 pub fn fact(n: uint) -> uint {
29 println!("n = {}", n);
30 rustrt::rust_dbg_call(cb, n)
34 pub extern fn cb(data: libc::uintptr_t) -> libc::uintptr_t {
38 fact(data - 1u) * data