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https://github.com/rust-lang/rust-clippy
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3298de7f66
Closes: #6995 Signed-off-by: Federico Guerinoni <guerinoni.federico@gmail.com> Co-authored-by: Paolo Barbolini <paolo@paolo565.org>
56 lines
3 KiB
Text
56 lines
3 KiB
Text
error: transmute from an integer to a pointer
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--> $DIR/transmutes_expressible_as_ptr_casts.rs:18:39
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LL | let _ptr_i32_transmute = unsafe { transmute::<usize, *const i32>(usize::MAX) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `usize::MAX as *const i32`
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= note: `-D clippy::useless-transmute` implied by `-D warnings`
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error: transmute from a pointer to a pointer
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--> $DIR/transmutes_expressible_as_ptr_casts.rs:22:38
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LL | let _ptr_i8_transmute = unsafe { transmute::<*const i32, *const i8>(ptr_i32) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr_i32 as *const i8`
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= note: `-D clippy::transmute-ptr-to-ptr` implied by `-D warnings`
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error: transmute from a pointer to a pointer
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--> $DIR/transmutes_expressible_as_ptr_casts.rs:28:46
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LL | let _ptr_to_unsized_transmute = unsafe { transmute::<*const [i32], *const [u16]>(slice_ptr) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `slice_ptr as *const [u16]`
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error: transmute from `*const i32` to `usize` which could be expressed as a pointer cast instead
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--> $DIR/transmutes_expressible_as_ptr_casts.rs:34:50
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LL | let _usize_from_int_ptr_transmute = unsafe { transmute::<*const i32, usize>(ptr_i32) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr_i32 as usize`
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= note: `-D clippy::transmutes-expressible-as-ptr-casts` implied by `-D warnings`
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error: transmute from a reference to a pointer
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--> $DIR/transmutes_expressible_as_ptr_casts.rs:40:41
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LL | let _array_ptr_transmute = unsafe { transmute::<&[i32; 4], *const [i32; 4]>(array_ref) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `array_ref as *const [i32; 4]`
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error: transmute from `fn(usize) -> u8 {main::foo}` to `*const usize` which could be expressed as a pointer cast instead
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--> $DIR/transmutes_expressible_as_ptr_casts.rs:48:41
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LL | let _usize_ptr_transmute = unsafe { transmute::<fn(usize) -> u8, *const usize>(foo) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `foo as *const usize`
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error: transmute from `fn(usize) -> u8 {main::foo}` to `usize` which could be expressed as a pointer cast instead
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--> $DIR/transmutes_expressible_as_ptr_casts.rs:52:49
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LL | let _usize_from_fn_ptr_transmute = unsafe { transmute::<fn(usize) -> u8, usize>(foo) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `foo as usize`
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error: transmute from a reference to a pointer
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--> $DIR/transmutes_expressible_as_ptr_casts.rs:64:14
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LL | unsafe { transmute::<&[i32; 1], *const u8>(in_param) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `in_param as *const [i32; 1] as *const u8`
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error: aborting due to 8 previous errors
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