rust-clippy/tests/ui/invalid_null_ptr_usage.stderr

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2020-10-18 11:42:09 +00:00
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:5:59
|
LL | let _slice: &[usize] = std::slice::from_raw_parts(std::ptr::null(), 0);
| ^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
|
= note: `#[deny(clippy::invalid_null_ptr_usage)]` on by default
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:6:59
|
LL | let _slice: &[usize] = std::slice::from_raw_parts(std::ptr::null_mut(), 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:8:63
|
LL | let _slice: &[usize] = std::slice::from_raw_parts_mut(std::ptr::null_mut(), 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:10:33
|
LL | std::ptr::copy::<usize>(std::ptr::null(), std::ptr::NonNull::dangling().as_ptr(), 0);
| ^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:11:73
|
LL | std::ptr::copy::<usize>(std::ptr::NonNull::dangling().as_ptr(), std::ptr::null_mut(), 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:13:48
|
LL | std::ptr::copy_nonoverlapping::<usize>(std::ptr::null(), std::ptr::NonNull::dangling().as_ptr(), 0);
| ^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:14:88
|
LL | std::ptr::copy_nonoverlapping::<usize>(std::ptr::NonNull::dangling().as_ptr(), std::ptr::null_mut(), 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:19:36
|
LL | let _a: A = std::ptr::read(std::ptr::null());
| ^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:20:36
|
LL | let _a: A = std::ptr::read(std::ptr::null_mut());
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:22:46
|
LL | let _a: A = std::ptr::read_unaligned(std::ptr::null());
| ^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:23:46
|
LL | let _a: A = std::ptr::read_unaligned(std::ptr::null_mut());
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:25:45
|
LL | let _a: A = std::ptr::read_volatile(std::ptr::null());
| ^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:26:45
|
LL | let _a: A = std::ptr::read_volatile(std::ptr::null_mut());
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:28:39
|
LL | let _a: A = std::ptr::replace(std::ptr::null_mut(), A);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:30:69
|
LL | let _slice: *const [usize] = std::ptr::slice_from_raw_parts(std::ptr::null(), 0);
| ^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:31:69
|
LL | let _slice: *const [usize] = std::ptr::slice_from_raw_parts(std::ptr::null_mut(), 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:33:73
|
LL | let _slice: *const [usize] = std::ptr::slice_from_raw_parts_mut(std::ptr::null_mut(), 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:35:29
|
LL | std::ptr::swap::<A>(std::ptr::null_mut(), &mut A);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:36:37
|
LL | std::ptr::swap::<A>(&mut A, std::ptr::null_mut());
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:38:44
|
LL | std::ptr::swap_nonoverlapping::<A>(std::ptr::null_mut(), &mut A, 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:39:52
|
LL | std::ptr::swap_nonoverlapping::<A>(&mut A, std::ptr::null_mut(), 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:41:25
|
LL | std::ptr::write(std::ptr::null_mut(), A);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:43:35
|
LL | std::ptr::write_unaligned(std::ptr::null_mut(), A);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:45:34
|
LL | std::ptr::write_volatile(std::ptr::null_mut(), A);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: pointer must be non-null
--> $DIR/invalid_null_ptr_usage.rs:47:40
|
LL | std::ptr::write_bytes::<usize>(std::ptr::null_mut(), 42, 0);
| ^^^^^^^^^^^^^^^^^^^^ help: change this to: `core::ptr::NonNull::dangling().as_ptr()`
error: aborting due to 25 previous errors