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Fix targets not supporting target_has_atomic = "ptr"

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This commit is contained in:
Vadim Petrochenkov 2022-04-13 16:35:40 +03:00
parent 7f3cc2fbbf
commit afa2e6f2ff
1 changed files with 5 additions and 1 deletions
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6
library/alloc/src/ffi/c_str.rs
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@ -6,7 +6,6 @@ use crate::boxed::Box;
use crate::rc::Rc;
use crate::slice::hack::into_vec;
use crate::string::String;
use crate::sync::Arc;
use crate::vec::Vec;
use core::borrow::Borrow;
use core::ffi::{c_char, CStr};
@ -19,6 +18,9 @@ use core::slice;
use core::slice::memchr;
use core::str::{self, Utf8Error};
#[cfg(target_has_atomic = "ptr")]
use crate::sync::Arc;
/// A type representing an owned, C-compatible, nul-terminated string with no nul bytes in the
/// middle.
///
@ -859,6 +861,7 @@ impl<'a> From<&'a CString> for Cow<'a, CStr> {
}
}
#[cfg(target_has_atomic = "ptr")]
#[stable(feature = "shared_from_slice2", since = "1.24.0")]
impl From<CString> for Arc<CStr> {
/// Converts a [`CString`] into an <code>[Arc]<[CStr]></code> by moving the [`CString`]
@ -870,6 +873,7 @@ impl From<CString> for Arc<CStr> {
}
}
#[cfg(target_has_atomic = "ptr")]
#[stable(feature = "shared_from_slice2", since = "1.24.0")]
impl From<&CStr> for Arc<CStr> {
/// Converts a `&CStr` into a `Arc<CStr>`,