Re: [PATCH v2] rust: str: add conversion from `CStr` to `CString`

[Alice Ryhl]

On 5/8/23 13:41, Gary Guo wrote:
> On Wed,  3 May 2023 14:10:16 +0000
> Alice Ryhl <aliceryhl@xxxxxxxxxx> wrote:
>
> > These methods can be used to copy the data in a temporary c string into
> > a separate allocation, so that it can be accessed later even if the
> > original is deallocated.
> >
> > The API in this change mirrors the standard library API for the `&str`
> > and `String` types. The `ToOwned` trait is not implemented because it
> > assumes that allocations are infallible.
>
> How about add a `TryToOwned` trait to the kernel crate and implement
> that trait for `CStr` instead?

Eh, I don't think it's worth it. It doesn't give anything new to the 
CStr api, and I think it's rather unlikely that someone will actually 
need to be generic over such a trait any time soon.