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
|
//@ run-pass
#[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()
}
|
