rust/tests/ui/abi/x86stdcall2.rs
2024-02-16 20:02:50 +00:00

28 lines
723 B
Rust

//@ run-pass
//@ only-windows
#![allow(non_camel_case_types)]
pub type HANDLE = usize;
pub type DWORD = u32;
pub type SIZE_T = u32;
pub type LPVOID = usize;
pub type BOOL = u8;
mod kernel32 {
use super::{BOOL, DWORD, HANDLE, LPVOID, SIZE_T};
extern "system" {
pub fn GetProcessHeap() -> HANDLE;
pub fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T) -> LPVOID;
pub fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID) -> BOOL;
}
}
pub fn main() {
let heap = unsafe { kernel32::GetProcessHeap() };
let mem = unsafe { kernel32::HeapAlloc(heap, 0, 100) };
assert!(mem != 0);
let res = unsafe { kernel32::HeapFree(heap, 0, mem) };
assert!(res != 0);
}