blob: 05178b34b11462738b2df489f468f90d683f0b32 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `usize`
--> $DIR/lint-strict-provenance-lossy-casts.rs:6:23
|
LL | let addr: usize = &x as *const u8 as usize;
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
note: the lint level is defined here
--> $DIR/lint-strict-provenance-lossy-casts.rs:2:9
|
LL | #![deny(lossy_provenance_casts)]
| ^^^^^^^^^^^^^^^^^^^^^^
= help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_addr()` instead
help: use `.addr()` to obtain the address of a pointer
|
LL | let addr: usize = (&x as *const u8).addr();
| + ~~~~~~~~
error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `u32`
--> $DIR/lint-strict-provenance-lossy-casts.rs:9:22
|
LL | let addr_32bit = &x as *const u8 as u32;
| ^^^^^^^^^^^^^^^^^^^^^^
|
= help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_addr()` instead
help: use `.addr()` to obtain the address of a pointer
|
LL | let addr_32bit = (&x as *const u8).addr() as u32;
| + ~~~~~~~~~~~~~~~
error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `usize`
--> $DIR/lint-strict-provenance-lossy-casts.rs:14:20
|
LL | let ptr_addr = ptr as usize;
| ^^^---------
| |
| help: use `.addr()` to obtain the address of a pointer: `.addr()`
|
= help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_addr()` instead
error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `u32`
--> $DIR/lint-strict-provenance-lossy-casts.rs:16:26
|
LL | let ptr_addr_32bit = ptr as u32;
| ^^^-------
| |
| help: use `.addr()` to obtain the address of a pointer: `.addr() as u32`
|
= help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_addr()` instead
error: aborting due to 4 previous errors
|
