mirror of https://github.com/rust-lang/rust
40 lines
972 B
Rust
40 lines
972 B
Rust
//@ run-pass
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#[cfg(windows)]
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mod imp {
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type LPVOID = *mut u8;
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type DWORD = u32;
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type LPWSTR = *mut u16;
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extern "system" {
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fn FormatMessageW(flags: DWORD,
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lpSrc: LPVOID,
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msgId: DWORD,
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langId: DWORD,
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buf: LPWSTR,
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nsize: DWORD,
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args: *const u8)
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-> DWORD;
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}
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pub fn test() {
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let mut buf: [u16; 50] = [0; 50];
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let ret = unsafe {
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FormatMessageW(0x1000, core::ptr::null_mut(), 1, 0x400,
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buf.as_mut_ptr(), buf.len() as u32, core::ptr::null())
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};
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// On some 32-bit Windowses (Win7-8 at least) this will panic with segmented
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// stacks taking control of pvArbitrary
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assert!(ret != 0);
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}
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}
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#[cfg(not(windows))]
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mod imp {
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pub fn test() { }
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}
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fn main() {
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imp::test()
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}
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