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https://github.com/rust-lang/rust-clippy
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27 lines
1.3 KiB
Text
27 lines
1.3 KiB
Text
error: transmuting a known null pointer into a function pointer
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--> $DIR/transmute_null_to_fn.rs:8:23
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LL | let _: fn() = std::mem::transmute(0 as *const ());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this transmute results in undefined behavior
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= help: try wrapping your function pointer type in `Option<T>` instead, and using `None` as a null pointer value
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= note: `-D clippy::transmute-null-to-fn` implied by `-D warnings`
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error: transmuting a known null pointer into a function pointer
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--> $DIR/transmute_null_to_fn.rs:9:23
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LL | let _: fn() = std::mem::transmute(std::ptr::null::<()>());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this transmute results in undefined behavior
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= help: try wrapping your function pointer type in `Option<T>` instead, and using `None` as a null pointer value
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error: transmuting a known null pointer into a function pointer
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--> $DIR/transmute_null_to_fn.rs:19:23
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LL | let _: fn() = std::mem::transmute(ZPTR);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ this transmute results in undefined behavior
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= help: try wrapping your function pointer type in `Option<T>` instead, and using `None` as a null pointer value
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error: aborting due to 3 previous errors
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