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([2a02:810d:4b3f:ee94:642:1aff:fe31:a19f]) by smtp.gmail.com with ESMTPSA id l6-20020a7bc346000000b0040d81ca11casm38940253wmj.28.2024.01.22.10.46.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jan 2024 10:46:12 -0800 (PST) From: Danilo Krummrich To: ojeda@kernel.org, alex.gaynor@gmail.com, wedsonaf@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, benno.lossin@proton.me, a.hindborg@samsung.com, aliceryhl@google.com Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH] rust: str: add to_ascii_{upper,lower}case() to CString Date: Mon, 22 Jan 2024 19:45:57 +0100 Message-ID: <20240122184608.11863-1-dakr@redhat.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788819129466737419 X-GMAIL-MSGID: 1788819129466737419 Add functions to convert a CString to upper- / lowercase assuming all characters are ASCII encoded. Signed-off-by: Danilo Krummrich --- rust/kernel/str.rs | 10 ++++++++++ 1 file changed, 10 insertions(+) base-commit: 610347effc2ecb5ededf5037e82240b151f883ab diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs index 7d848b83add4..d21151d89861 100644 --- a/rust/kernel/str.rs +++ b/rust/kernel/str.rs @@ -581,6 +581,16 @@ pub fn try_from_fmt(args: fmt::Arguments<'_>) -> Result { // exist in the buffer. Ok(Self { buf }) } + + /// Converts the whole CString to lowercase. + pub fn to_ascii_lowercase(&mut self) { + self.buf.make_ascii_lowercase(); + } + + /// Converts the whole CString to uppercase. + pub fn to_ascii_uppercase(&mut self) { + self.buf.make_ascii_uppercase(); + } } impl Deref for CString {