Re: [PATCH] rust: device: Replace CString with CStr in property_present()

[Viresh Kumar]

On 16-01-25, 09:25, Alice Ryhl wrote:
> On Thu, Jan 16, 2025 at 6:26 AM Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> >
> > The property_present() method expects a &CString currently and will work
> > only with heap allocated C strings.
> >
> > In order to make it work with compile-time string constants too, change
> > the argument type to &CStr.
> >
> > Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> 
> One nit below, but either way:
> 
> Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
> 
> > -    pub fn property_present(&self, name: &CString) -> bool {
> > -        // SAFETY: By the invariant of `CString`, `name` is null-terminated.
> > +    pub fn property_present(&self, name: &CStr) -> bool {
> > +        // SAFETY: By the invariant of `CStr`, `name` is null-terminated.
> >          unsafe { bindings::device_property_present(self.as_raw().cast_const(), name.as_ptr() as *const _) }
> 
> If you use `name.as_char_ptr()` then you don't need the cast.

Fixed as a separate commit. Thanks.

-- 
viresh