"Alice Ryhl" <aliceryhl@xxxxxxxxxx> writes:
> This validates at compile time that the signatures match what is in the
> header file. It highlights one annoyance with the compile-time check,
> which is that it can only be used with functions marked unsafe.
It would indeed be nice if there was a way to mark some functions to be
emitted as safe by bindgen.
>
> If the function is not unsafe, then this error is emitted:
>
> error[E0308]: `if` and `else` have incompatible types
> --> <linux>/drivers/gpu/drm/drm_panic_qr.rs:987:19
> |
> 986 | #[export]
> | --------- expected because of this
> 987 | pub extern "C" fn drm_panic_qr_max_data_size(version: u8, url_len: usize) -> usize {
> | ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected unsafe fn, found safe fn
> |
> = note: expected fn item `unsafe extern "C" fn(_, _) -> _ {kernel::bindings::drm_panic_qr_max_data_size}`
> found fn item `extern "C" fn(_, _) -> _ {drm_panic_qr_max_data_size}`
>
> Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
Reviewed-by: Andreas Hindborg <a.hindborg@xxxxxxxxxx>
Best regards,
Andreas Hindborg
