mirror of https://github.com/rust-lang/rust
52 lines
2.4 KiB
Plaintext
52 lines
2.4 KiB
Plaintext
error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `usize`
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--> $DIR/lint-strict-provenance-lossy-casts.rs:6:23
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LL | let addr: usize = &x as *const u8 as usize;
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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= help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_provenance()` instead
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note: the lint level is defined here
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--> $DIR/lint-strict-provenance-lossy-casts.rs:2:9
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LL | #![deny(lossy_provenance_casts)]
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: use `.addr()` to obtain the address of a pointer
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LL | let addr: usize = (&x as *const u8).addr();
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| + ~~~~~~~~
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error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `u32`
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--> $DIR/lint-strict-provenance-lossy-casts.rs:9:22
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LL | let addr_32bit = &x as *const u8 as u32;
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| ^^^^^^^^^^^^^^^^^^^^^^
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= help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_provenance()` instead
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help: use `.addr()` to obtain the address of a pointer
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LL | let addr_32bit = (&x as *const u8).addr() as u32;
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| + ~~~~~~~~~~~~~~~
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error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `usize`
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--> $DIR/lint-strict-provenance-lossy-casts.rs:14:20
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LL | let ptr_addr = ptr as usize;
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| ^^^---------
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| |
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| help: use `.addr()` to obtain the address of a pointer: `.addr()`
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= help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_provenance()` instead
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error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `u32`
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--> $DIR/lint-strict-provenance-lossy-casts.rs:16:26
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LL | let ptr_addr_32bit = ptr as u32;
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| ^^^-------
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| |
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| help: use `.addr()` to obtain the address of a pointer: `.addr() as u32`
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= help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_provenance()` instead
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error: aborting due to 4 previous errors
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