Re: [PATCH] rust: str: make NullTerminatedFormatter public

[Alice Ryhl <aliceryhl@google.com>]

On Tue, Feb 24, 2026 at 11:25:34AM +0900, Alexandre Courbot wrote:
> If `CONFIG_BLOCK` is disabled, the following warnings are displayed
> during build:
> 
>   warning: struct `NullTerminatedFormatter` is never constructed
>     --> ../rust/kernel/str.rs:667:19
>       |
>   667 | pub(crate) struct NullTerminatedFormatter<'a> {
>       |                   ^^^^^^^^^^^^^^^^^^^^^^^
>       |
>       = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
> 
>   warning: associated function `new` is never used
>     --> ../rust/kernel/str.rs:673:19
>       |
>   671 | impl<'a> NullTerminatedFormatter<'a> {
>       | ------------------------------------ associated function in this implementation
>   672 |     /// Create a new [`Self`] instance.
>   673 |     pub(crate) fn new(buffer: &'a mut [u8]) -> Option<NullTerminatedFormatter<'a>> {
> 
> Fix them by making `NullTerminatedFormatter` public, as it could be
> useful for drivers anyway.
> 
> Fixes: cdde7a1951ff ("rust: str: introduce `NullTerminatedFormatter`")
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

Reviewed-by: Alice Ryhl <aliceryhl@google.com>