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