linux-kernel - [PATCH] rust: kernel: str: Implement Debug for CString

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Message-Id: <20230714-cstring-debug-v1-1-4e7c3018dd4f@asahilina.net>
Date:   Fri, 14 Jul 2023 18:19:33 +0900
From:   Asahi Lina <lina@...hilina.net>
To:     Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>
Cc:     rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        asahi@...ts.linux.dev, Asahi Lina <lina@...hilina.net>
Subject: [PATCH] rust: kernel: str: Implement Debug for CString

Trivial implementation.

Signed-off-by: Asahi Lina <lina@...hilina.net>
---
 rust/kernel/str.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs
index c9dd3bf59e34..a94e396d39e1 100644
--- a/rust/kernel/str.rs
+++ b/rust/kernel/str.rs
@@ -606,6 +606,12 @@ fn try_from(cstr: &'a CStr) -> Result<CString, AllocError> {
     }
 }
 
+impl fmt::Debug for CString {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&**self, f)
+    }
+}
+
 /// A convenience alias for [`core::format_args`].
 #[macro_export]
 macro_rules! fmt {

---
base-commit: 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5
change-id: 20230714-cstring-debug-ca021fe0ad78

Thank you,
~~ Lina