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rust: str: add BStr type

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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>
This commit is contained in:
Gary Guo 2022-11-10 17:41:26 +01:00 committed by Miguel Ojeda
parent feadd06287
commit 7c59774646
1 changed files with 5 additions and 0 deletions
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5
rust/kernel/str.rs
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@ -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