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
|
// run-rustfix
// Suggest providing a std::ptr::null{,_mut}() to a function that takes in a raw
// pointer if a literal 0 was provided by the user.
extern "C" {
fn foo(ptr: *const u8);
fn foo_mut(ptr: *mut u8);
fn usize(ptr: *const usize);
fn usize_mut(ptr: *mut usize);
}
fn main() {
unsafe {
foo(0);
//~^ mismatched types [E0308]
//~| if you meant to create a null pointer, use `std::ptr::null()`
foo_mut(0);
//~^ mismatched types [E0308]
//~| if you meant to create a null pointer, use `std::ptr::null_mut()`
usize(0);
//~^ mismatched types [E0308]
//~| if you meant to create a null pointer, use `std::ptr::null()`
usize_mut(0);
//~^ mismatched types [E0308]
//~| if you meant to create a null pointer, use `std::ptr::null_mut()`
}
}
|
