44 lines
1.1 KiB
Rust
44 lines
1.1 KiB
Rust
#![warn(clippy::manual_dangling_ptr)]
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use std::mem;
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pub fn foo(_const: *const f32, _mut: *mut i32) {}
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fn main() {
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let _: *const u8 = std::ptr::dangling();
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//~^ manual_dangling_ptr
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let _ = std::ptr::dangling::<u32>();
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//~^ manual_dangling_ptr
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let _ = std::ptr::dangling_mut::<f32>();
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//~^ manual_dangling_ptr
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let _ = std::ptr::dangling::<u8>();
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//~^ manual_dangling_ptr
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let _ = std::ptr::dangling::<u32>();
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//~^ manual_dangling_ptr
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let _ = std::ptr::dangling::<usize>();
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//~^ manual_dangling_ptr
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foo(std::ptr::dangling(), std::ptr::dangling_mut());
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//~^ manual_dangling_ptr
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//~| manual_dangling_ptr
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}
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fn should_not_lint() {
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let _ = 0x10 as *mut i32;
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let _ = mem::align_of::<u32>() as *const u8;
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foo(0 as _, 0 as _);
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}
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#[clippy::msrv = "1.83"]
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fn _msrv_1_83() {
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// `{core, std}::ptr::dangling` was stabilized in 1.84. Do not lint this
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foo(4 as *const _, 4 as *mut _);
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}
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#[clippy::msrv = "1.84"]
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fn _msrv_1_84() {
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foo(std::ptr::dangling(), std::ptr::dangling_mut());
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//~^ manual_dangling_ptr
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//~| manual_dangling_ptr
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}
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