blob: ba9091ce0e5bf5b3df0dd215e9a333f807eb7b12 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#[link(name = "externcallback",
vers = "0.1")];
#[crate_type = "lib"];
use std::libc;
pub mod rustrt {
use std::libc;
pub extern {
pub fn rust_dbg_call(cb: *u8, data: libc::uintptr_t)
-> libc::uintptr_t;
}
}
pub fn fact(n: uint) -> uint {
unsafe {
debug!("n = %?", n);
rustrt::rust_dbg_call(cb, n)
}
}
pub extern fn cb(data: libc::uintptr_t) -> libc::uintptr_t {
if data == 1u {
data
} else {
fact(data - 1u) * data
}
}
|
