linux-kernel - Re: [PATCH v8 0/4] rust: replace kernel::str::CStr w/ core::ffi::CStr

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Message-ID: <CAJ-ks9=9OozDw7XotP_0Hpb4-p4VmPMSwmEdnnCpk1gCEJyZiA@mail.gmail.com>
Date: Fri, 21 Feb 2025 10:59:59 -0500
From: Tamir Duberstein <tamird@...il.com>
To: Gary Guo <gary@...yguo.net>
Cc: Alice Ryhl <aliceryhl@...gle.com>, Michal Rostecki <vadorovsky@...tonmail.com>, 
	Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
	Boqun Feng <boqun.feng@...il.com>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <benno.lossin@...ton.me>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Trevor Gross <tmgross@...ch.edu>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 0/4] rust: replace kernel::str::CStr w/ core::ffi::CStr

On Fri, Feb 21, 2025 at 9:28 AM Gary Guo <gary@...yguo.net> wrote:
>
> I'd want to add that we currently also have our own `BStr` and then we
> have the `CStr` -> `BStr` -> `[u8]` deref chain which is quite often
> useful. If we move to the `core::ffi::CStr` then we would lose ability
> to do so.

True. The best we could do is `impl AsRef<BStr> for CStr`, I think.