| // Copyright 2014 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. |
| |
| // run-pass |
| #![feature(rustc_private)] |
| |
| extern crate libc; |
| |
| #[cfg(windows)] |
| mod imp { |
| type LPVOID = *mut u8; |
| type DWORD = u32; |
| type LPWSTR = *mut u16; |
| |
| extern "system" { |
| fn FormatMessageW(flags: DWORD, |
| lpSrc: LPVOID, |
| msgId: DWORD, |
| langId: DWORD, |
| buf: LPWSTR, |
| nsize: DWORD, |
| args: *const u8) |
| -> DWORD; |
| } |
| |
| pub fn test() { |
| let mut buf: [u16; 50] = [0; 50]; |
| let ret = unsafe { |
| FormatMessageW(0x1000, 0 as *mut _, 1, 0x400, |
| buf.as_mut_ptr(), buf.len() as u32, 0 as *const _) |
| }; |
| // On some 32-bit Windowses (Win7-8 at least) this will panic with segmented |
| // stacks taking control of pvArbitrary |
| assert!(ret != 0); |
| } |
| } |
| |
| #[cfg(not(windows))] |
| mod imp { |
| pub fn test() { } |
| } |
| |
| fn main() { |
| imp::test() |
| } |
