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1 | // Copyright 2014 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. | |
4 | // | |
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. | |
10 | ||
c34b1796 AL |
11 | // pretty-expanded FIXME #23616 |
12 | ||
13 | #![feature(libc)] | |
14 | ||
1a4d82fc JJ |
15 | extern crate libc; |
16 | ||
17 | #[cfg(windows)] | |
18 | mod imp { | |
19 | use libc::{c_void, LPVOID, DWORD}; | |
20 | use libc::types::os::arch::extra::LPWSTR; | |
21 | ||
22 | extern "system" { | |
23 | fn FormatMessageW(flags: DWORD, | |
24 | lpSrc: LPVOID, | |
25 | msgId: DWORD, | |
26 | langId: DWORD, | |
27 | buf: LPWSTR, | |
28 | nsize: DWORD, | |
29 | args: *const c_void) | |
30 | -> DWORD; | |
31 | } | |
32 | ||
33 | pub fn test() { | |
34 | let mut buf: [u16; 50] = [0; 50]; | |
35 | let ret = unsafe { | |
36 | FormatMessageW(0x1000, 0 as *mut c_void, 1, 0x400, | |
37 | buf.as_mut_ptr(), buf.len() as u32, 0 as *const c_void) | |
38 | }; | |
39 | // On some 32-bit Windowses (Win7-8 at least) this will panic with segmented | |
40 | // stacks taking control of pvArbitrary | |
41 | assert!(ret != 0); | |
42 | } | |
43 | } | |
44 | ||
45 | #[cfg(not(windows))] | |
46 | mod imp { | |
47 | pub fn test() { } | |
48 | } | |
49 | ||
50 | fn main() { | |
51 | imp::test() | |
52 | } |