| warning: `extern` fn uses type `CStr`, which is not FFI-safe |
| --> $DIR/extern-C-non-FFI-safe-arg-ice-52334.rs:7:12 |
| | |
| LL | type Foo = extern "C" fn(::std::ffi::CStr); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe |
| | |
| = help: consider passing a `*const std::ffi::c_char` instead, and use `CStr::as_ptr()` |
| = note: `CStr`/`CString` do not have a guaranteed layout |
| = note: `#[warn(improper_ctypes_definitions)]` on by default |
| |
| warning: `extern` block uses type `CStr`, which is not FFI-safe |
| --> $DIR/extern-C-non-FFI-safe-arg-ice-52334.rs:10:18 |
| | |
| LL | fn meh(blah: Foo); |
| | ^^^ not FFI-safe |
| | |
| = help: consider passing a `*const std::ffi::c_char` instead, and use `CStr::as_ptr()` |
| = note: `CStr`/`CString` do not have a guaranteed layout |
| = note: `#[warn(improper_ctypes)]` on by default |
| |
| warning: 2 warnings emitted |
| |