src/test/run-pass/issue-13259-windows-tcb-trash.rs

   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
  11 // pretty-expanded FIXME #23616
  12
  13 #![feature(libc, std_misc)]
  14
  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 }