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Move OsStringExt and OsStrExt to std::os
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CDirkx committed Jun 20, 2021
1 parent 39260f6 commit 1a96d22
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Showing 9 changed files with 85 additions and 70 deletions.
5 changes: 4 additions & 1 deletion library/std/src/os/fortanix_sgx/ffi.rs
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Expand Up @@ -34,5 +34,8 @@

#![unstable(feature = "sgx_platform", issue = "56975")]

#[path = "../unix/ffi/os_str.rs"]
mod os_str;

#[unstable(feature = "sgx_platform", issue = "56975")]
pub use crate::sys_common::os_str_bytes::*;
pub use self::os_str::{OsStrExt, OsStringExt};
5 changes: 4 additions & 1 deletion library/std/src/os/hermit/ffi.rs
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Expand Up @@ -34,5 +34,8 @@

#![stable(feature = "rust1", since = "1.0.0")]

#[path = "../unix/ffi/os_str.rs"]
mod os_str;

#[stable(feature = "rust1", since = "1.0.0")]
pub use crate::sys_common::os_str_bytes::*;
pub use self::os_str::{OsStrExt, OsStringExt};
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Expand Up @@ -34,5 +34,7 @@

#![stable(feature = "rust1", since = "1.0.0")]

mod os_str;

#[stable(feature = "rust1", since = "1.0.0")]
pub use crate::sys_common::os_str_bytes::*;
pub use self::os_str::{OsStrExt, OsStringExt};
65 changes: 65 additions & 0 deletions library/std/src/os/unix/ffi/os_str.rs
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@@ -0,0 +1,65 @@
use crate::ffi::{OsStr, OsString};
use crate::mem;
use crate::sealed::Sealed;
use crate::sys::os_str::Buf;
use crate::sys_common::{AsInner, FromInner, IntoInner};

/// Platform-specific extensions to [`OsString`].
///
/// This trait is sealed: it cannot be implemented outside the standard library.
/// This is so that future additional methods are not breaking changes.
#[stable(feature = "rust1", since = "1.0.0")]
pub trait OsStringExt: Sealed {
/// Creates an [`OsString`] from a byte vector.
///
/// See the module documentation for an example.
#[stable(feature = "rust1", since = "1.0.0")]
fn from_vec(vec: Vec<u8>) -> Self;

/// Yields the underlying byte vector of this [`OsString`].
///
/// See the module documentation for an example.
#[stable(feature = "rust1", since = "1.0.0")]
fn into_vec(self) -> Vec<u8>;
}

#[stable(feature = "rust1", since = "1.0.0")]
impl OsStringExt for OsString {
fn from_vec(vec: Vec<u8>) -> OsString {
FromInner::from_inner(Buf { inner: vec })
}
fn into_vec(self) -> Vec<u8> {
self.into_inner().inner
}
}

/// Platform-specific extensions to [`OsStr`].
///
/// This trait is sealed: it cannot be implemented outside the standard library.
/// This is so that future additional methods are not breaking changes.
#[stable(feature = "rust1", since = "1.0.0")]
pub trait OsStrExt: Sealed {
#[stable(feature = "rust1", since = "1.0.0")]
/// Creates an [`OsStr`] from a byte slice.
///
/// See the module documentation for an example.
fn from_bytes(slice: &[u8]) -> &Self;

/// Gets the underlying byte view of the [`OsStr`] slice.
///
/// See the module documentation for an example.
#[stable(feature = "rust1", since = "1.0.0")]
fn as_bytes(&self) -> &[u8];
}

#[stable(feature = "rust1", since = "1.0.0")]
impl OsStrExt for OsStr {
#[inline]
fn from_bytes(slice: &[u8]) -> &OsStr {
unsafe { mem::transmute(slice) }
}
#[inline]
fn as_bytes(&self) -> &[u8] {
&self.as_inner().inner
}
}
5 changes: 4 additions & 1 deletion library/std/src/os/wasi/ffi.rs
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Expand Up @@ -2,5 +2,8 @@

#![stable(feature = "rust1", since = "1.0.0")]

#[path = "../unix/ffi/os_str.rs"]
mod os_str;

#[stable(feature = "rust1", since = "1.0.0")]
pub use crate::sys_common::os_str_bytes::*;
pub use self::os_str::{OsStrExt, OsStringExt};
2 changes: 1 addition & 1 deletion library/std/src/sys/hermit/args.rs
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Expand Up @@ -55,8 +55,8 @@ impl DoubleEndedIterator for Args {
mod imp {
use super::Args;
use crate::ffi::{CStr, OsString};
use crate::os::unix::ffi::OsStringExt;
use crate::ptr;
use crate::sys_common::os_str_bytes::*;

use crate::sys_common::mutex::StaticMutex;

Expand Down
2 changes: 1 addition & 1 deletion library/std/src/sys/hermit/fs.rs
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Expand Up @@ -3,14 +3,14 @@ use crate::fmt;
use crate::hash::{Hash, Hasher};
use crate::io::{self, Error, ErrorKind};
use crate::io::{IoSlice, IoSliceMut, SeekFrom};
use crate::os::unix::ffi::OsStrExt;
use crate::path::{Path, PathBuf};
use crate::sys::cvt;
use crate::sys::hermit::abi;
use crate::sys::hermit::abi::{O_APPEND, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY};
use crate::sys::hermit::fd::FileDesc;
use crate::sys::time::SystemTime;
use crate::sys::unsupported;
use crate::sys_common::os_str_bytes::OsStrExt;

pub use crate::sys_common::fs::{copy, try_exists};
//pub use crate::sys_common::fs::remove_dir_all;
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2 changes: 1 addition & 1 deletion library/std/src/sys/hermit/os.rs
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Expand Up @@ -4,13 +4,13 @@ use crate::ffi::{CStr, OsStr, OsString};
use crate::fmt;
use crate::io;
use crate::marker::PhantomData;
use crate::os::unix::ffi::OsStringExt;
use crate::path::{self, PathBuf};
use crate::str;
use crate::sync::Mutex;
use crate::sys::hermit::abi;
use crate::sys::memchr;
use crate::sys::unsupported;
use crate::sys_common::os_str_bytes::*;
use crate::vec;

pub fn errno() -> i32 {
Expand Down
65 changes: 2 additions & 63 deletions library/std/src/sys_common/os_str_bytes.rs
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Expand Up @@ -2,15 +2,14 @@
//! systems: just a `Vec<u8>`/`[u8]`.

use crate::borrow::Cow;
use crate::ffi::{OsStr, OsString};

use crate::fmt;
use crate::mem;
use crate::rc::Rc;
use crate::sealed::Sealed;
use crate::str;
use crate::sync::Arc;
use crate::sys_common::bytestring::debug_fmt_bytestring;
use crate::sys_common::{AsInner, FromInner, IntoInner};
use crate::sys_common::{AsInner, IntoInner};

use core::str::lossy::Utf8Lossy;

Expand Down Expand Up @@ -243,63 +242,3 @@ impl Slice {
self.inner.eq_ignore_ascii_case(&other.inner)
}
}

/// Platform-specific extensions to [`OsString`].
///
/// This trait is sealed: it cannot be implemented outside the standard library.
/// This is so that future additional methods are not breaking changes.
#[stable(feature = "rust1", since = "1.0.0")]
pub trait OsStringExt: Sealed {
/// Creates an [`OsString`] from a byte vector.
///
/// See the module documentation for an example.
#[stable(feature = "rust1", since = "1.0.0")]
fn from_vec(vec: Vec<u8>) -> Self;

/// Yields the underlying byte vector of this [`OsString`].
///
/// See the module documentation for an example.
#[stable(feature = "rust1", since = "1.0.0")]
fn into_vec(self) -> Vec<u8>;
}

#[stable(feature = "rust1", since = "1.0.0")]
impl OsStringExt for OsString {
fn from_vec(vec: Vec<u8>) -> OsString {
FromInner::from_inner(Buf { inner: vec })
}
fn into_vec(self) -> Vec<u8> {
self.into_inner().inner
}
}

/// Platform-specific extensions to [`OsStr`].
///
/// This trait is sealed: it cannot be implemented outside the standard library.
/// This is so that future additional methods are not breaking changes.
#[stable(feature = "rust1", since = "1.0.0")]
pub trait OsStrExt: Sealed {
#[stable(feature = "rust1", since = "1.0.0")]
/// Creates an [`OsStr`] from a byte slice.
///
/// See the module documentation for an example.
fn from_bytes(slice: &[u8]) -> &Self;

/// Gets the underlying byte view of the [`OsStr`] slice.
///
/// See the module documentation for an example.
#[stable(feature = "rust1", since = "1.0.0")]
fn as_bytes(&self) -> &[u8];
}

#[stable(feature = "rust1", since = "1.0.0")]
impl OsStrExt for OsStr {
#[inline]
fn from_bytes(slice: &[u8]) -> &OsStr {
unsafe { mem::transmute(slice) }
}
#[inline]
fn as_bytes(&self) -> &[u8] {
&self.as_inner().inner
}
}

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