linux-kernel - Re: [PATCH v2] rust: str: add {make,to}

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Message-ID: <CAH5fLgj-0Li7E4KGKV0e1-dF9x6TQXS6E_KyagY2ndQV8MSVnQ@mail.gmail.com>
Date: Tue, 13 Feb 2024 15:19:29 +0100
From: Alice Ryhl <aliceryhl@...gle.com>
To: Danilo Krummrich <dakr@...hat.com>
Cc: ojeda@...nel.org, alex.gaynor@...il.com, wedsonaf@...il.com, 
	boqun.feng@...il.com, gary@...yguo.net, bjorn3_gh@...tonmail.com, 
	benno.lossin@...ton.me, a.hindborg@...sung.com, 
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] rust: str: add {make,to}_{upper,lower}case() to CString

On Tue, Jan 30, 2024 at 3:38 AM Danilo Krummrich <dakr@...hat.com> wrote:
>
> Add functions to convert a CString to upper- / lowercase, either
> in-place or by creating a copy of the original CString.
>
> Naming followes the one from the Rust stdlib, where functions starting
> with 'to' create a copy and functions starting with 'make' perform an
> in-place conversion.
>
> This is required by the Nova project (GSP only Rust successor of
> Nouveau) to convert stringified enum values (representing different GPU
> chipsets) to strings in order to generate the corresponding firmware
> paths. See also [1].
>
> [1] https://rust-for-linux.zulipchat.com/#narrow/stream/288089-General/topic/String.20manipulation.20in.20kernel.20Rust
>
> Signed-off-by: Danilo Krummrich <dakr@...hat.com>

Not a deal-breaker, but this comment of mine still applies:

https://lore.kernel.org/rust-for-linux/CAH5fLgiwRDcyaxbcUNY8M1c_w11vkCWyRfqVVrN9Sgc7XYT0xw@mail.gmail.com/

Alice