diff options
Diffstat (limited to 'library/std/src/ffi/os_str.rs')
| -rw-r--r-- | library/std/src/ffi/os_str.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs index a501bcc98cf..f68ea3c562a 100644 --- a/library/std/src/ffi/os_str.rs +++ b/library/std/src/ffi/os_str.rs @@ -3,10 +3,13 @@ #[cfg(test)] mod tests; +use core::clone::CloneToUninit; + use crate::borrow::{Borrow, Cow}; use crate::collections::TryReserveError; use crate::hash::{Hash, Hasher}; use crate::ops::{self, Range}; +use crate::ptr::addr_of_mut; use crate::rc::Rc; use crate::str::FromStr; use crate::sync::Arc; @@ -1261,6 +1264,15 @@ impl Clone for Box<OsStr> { } } +#[unstable(feature = "clone_to_uninit", issue = "126799")] +unsafe impl CloneToUninit for OsStr { + #[cfg_attr(debug_assertions, track_caller)] + unsafe fn clone_to_uninit(&self, dst: *mut Self) { + // SAFETY: we're just a wrapper around a platform-specific Slice + unsafe { self.inner.clone_to_uninit(addr_of_mut!((*dst).inner)) } + } +} + #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<OsString> for Arc<OsStr> { /// Converts an [`OsString`] into an <code>[Arc]<[OsStr]></code> by moving the [`OsString`] |