[PATCH v2 14/28] rust: str: add `BStr` type

ojeda
2022-12-02T16:16:09Z

From: Gary Guo <gary@garyguo.net>

Add the `BStr` type, which is a byte string without UTF-8
validity guarantee.

It is simply an alias to `[u8]`, but has a more evident
semantical meaning.

Signed-off-by: Gary Guo <gary@garyguo.net>
[Reworded, adapted for upstream and applied latest changes]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
---
rust/kernel/str.rs | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs
index e45ff220ae50..3aa1a0cb9bf8 100644
--- a/rust/kernel/str.rs
+++ b/rust/kernel/str.rs
@@ -4,6 +4,11 @@

use core::fmt;

+/// Byte string without UTF-8 validity guarantee.
+///
+/// `BStr` is simply an alias to `[u8]`, but has a more evident semantical meaning.
+pub type BStr = [u8];
+
/// Allows formatting of [`fmt::Arguments`] into a raw buffer.
///
/// It does not fail if callers write past the end of the buffer so that they can calculate the
--
2.38.1