From ee604fccd9d91b8f4cf9b4cad5bafdf698dd0335 Mon Sep 17 00:00:00 2001 From: Ed Page Date: Fri, 7 Jul 2023 09:46:48 -0500 Subject: Allow limited access to `OsString` bytes This extends #109698 to allow no-cost conversion between `Vec` and `OsString` as suggested in feedback from `os_str_bytes` crate in #111544. --- library/std/src/sys_common/wtf8.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'library/std/src/sys_common') diff --git a/library/std/src/sys_common/wtf8.rs b/library/std/src/sys_common/wtf8.rs index c9d3e13cf0c..195d175cc9b 100644 --- a/library/std/src/sys_common/wtf8.rs +++ b/library/std/src/sys_common/wtf8.rs @@ -182,6 +182,15 @@ impl Wtf8Buf { Wtf8Buf { bytes: Vec::with_capacity(capacity), is_known_utf8: true } } + /// Creates a WTF-8 string from a WTF-8 byte vec. + /// + /// Since the byte vec is not checked for valid WTF-8, this functions is + /// marked unsafe. + #[inline] + pub unsafe fn from_bytes_unchecked(value: Vec) -> Wtf8Buf { + Wtf8Buf { bytes: value, is_known_utf8: false } + } + /// Creates a WTF-8 string from a UTF-8 `String`. /// /// This takes ownership of the `String` and does not copy. @@ -402,6 +411,12 @@ impl Wtf8Buf { self.bytes.truncate(new_len) } + /// Consumes the WTF-8 string and tries to convert it to a vec of bytes. + #[inline] + pub fn into_bytes(self) -> Vec { + self.bytes + } + /// Consumes the WTF-8 string and tries to convert it to UTF-8. /// /// This does not copy the data. -- cgit 1.4.1-3-g733a5