rust: str: introduce NullTerminatedFormatter

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Add `NullTerminatedFormatter`, a formatter that writes a null terminated
string to an array or slice buffer. Because this type needs to manage the
trailing null marker, the existing formatters cannot be used to implement
this type.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
Link: https://lore.kernel.org/r/20250902-rnull-up-v6-16-v7-4-b5212cc89b98@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Andreas Hindborg 2025-09-02 11:54:58 +02:00 • committed by Jens Axboe

parent 8c5ac71cf1

commit cdde7a1951

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rust/kernel/str.rs

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