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//@ 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, core::ptr::null_mut(), 1, 0x400,
buf.as_mut_ptr(), buf.len() as u32, core::ptr::null())
};
// 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()
}
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