23 lines
689 B
Plaintext
23 lines
689 B
Plaintext
error: function is never used: `temporary_cstring`
|
|
--> $DIR/cstring.rs:4:1
|
|
|
|
|
4 | fn temporary_cstring() {
|
|
| ^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: `-D dead-code` implied by `-D warnings`
|
|
|
|
error: you are getting the inner pointer of a temporary `CString`
|
|
--> $DIR/cstring.rs:7:5
|
|
|
|
|
7 | CString::new("foo").unwrap().as_ptr();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: `-D temporary-cstring-as-ptr` implied by `-D warnings`
|
|
= note: that pointer will be invalid outside this expression
|
|
help: assign the `CString` to a variable to extend its lifetime
|
|
--> $DIR/cstring.rs:7:5
|
|
|
|
|
7 | CString::new("foo").unwrap().as_ptr();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|