20 lines
322 B
Rust
20 lines
322 B
Rust
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#![crate_type = "cdylib"]
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#![crate_name = "foo"]
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use std::os::raw::c_uint;
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extern "C" {
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fn bar(ptr: *const c_uint);
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}
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#[no_mangle]
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pub extern "C" fn foo(ptr: *mut c_uint) {
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assert_eq!((ptr as usize) >> 56, 0x1f);
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unsafe {
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*ptr = 0x63;
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*ptr.wrapping_add(1) = 0x64;
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bar(ptr);
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}
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}
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