linux-kernel - Re: [PATCH] rust: disallow use of `CStr::as

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Message-ID: <CANiq72=sR2FiD3agm+GvaC7yT5t+bums9DGnkex8ybkdk=oNiw@mail.gmail.com>
Date: Wed, 21 Jan 2026 19:11:58 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Gary Guo <gary@...yguo.net>
Cc: Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>, 
	Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, 
	Danilo Krummrich <dakr@...nel.org>, Tamir Duberstein <tamird@...il.com>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rust: disallow use of `CStr::as_ptr`

On Wed, Jan 21, 2026 at 6:33 PM Gary Guo <gary@...yguo.net> wrote:
>
> These are the methods that we want people to use? The "internal implementation"
> means that the use of `CStr::as_char()` is the internal implementation detail of
> `as_char_ptr` so it's okay. But nobody else should use it.

Yeah, not sure how I read that, sorry. And obviously we can't (easily)
add it to `core` one.

Cheers,
Miguel