diff options
Diffstat (limited to 'vendor/rustix/src/fs/at.rs')
| -rw-r--r-- | vendor/rustix/src/fs/at.rs | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/vendor/rustix/src/fs/at.rs b/vendor/rustix/src/fs/at.rs index 925a0aa01..42bc5f807 100644 --- a/vendor/rustix/src/fs/at.rs +++ b/vendor/rustix/src/fs/at.rs @@ -7,11 +7,11 @@ use crate::fd::OwnedFd; use crate::ffi::{CStr, CString}; -#[cfg(not(any(target_os = "illumos", target_os = "solaris")))] +#[cfg(not(solarish))] use crate::fs::Access; -#[cfg(any(target_os = "ios", target_os = "macos"))] +#[cfg(apple)] use crate::fs::CloneFlags; -#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "wasi")))] +#[cfg(not(any(apple, target_os = "wasi")))] use crate::fs::FileType; #[cfg(any(target_os = "android", target_os = "linux"))] use crate::fs::RenameFlags; @@ -30,13 +30,13 @@ pub use backend::fs::types::{Dev, RawMode}; /// /// [`utimensat`]: crate::fs::utimensat #[cfg(not(target_os = "redox"))] -pub const UTIME_NOW: Nsecs = backend::fs::types::UTIME_NOW as Nsecs; +pub const UTIME_NOW: Nsecs = backend::c::UTIME_NOW as Nsecs; /// `UTIME_OMIT` for use with [`utimensat`]. /// /// [`utimensat`]: crate::fs::utimensat #[cfg(not(target_os = "redox"))] -pub const UTIME_OMIT: Nsecs = backend::fs::types::UTIME_OMIT as Nsecs; +pub const UTIME_OMIT: Nsecs = backend::c::UTIME_OMIT as Nsecs; /// `openat(dirfd, path, oflags, mode)`—Opens a file. /// @@ -222,7 +222,7 @@ pub fn renameat_with<P: path::Arg, Q: path::Arg, PFd: AsFd, QFd: AsFd>( }) } -/// `symlinkat(old_dirfd, old_path, new_dirfd, new_path)`—Creates a symlink. +/// `symlinkat(old_path, new_dirfd, new_path)`—Creates a symlink. /// /// # References /// - [POSIX] @@ -271,7 +271,7 @@ pub fn statat<P: path::Arg, Fd: AsFd>(dirfd: Fd, path: P, flags: AtFlags) -> io: /// /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/faccessat.html /// [Linux]: https://man7.org/linux/man-pages/man2/faccessat.2.html -#[cfg(not(any(target_os = "illumos", target_os = "solaris")))] +#[cfg(not(solarish))] #[inline] #[doc(alias = "faccessat")] pub fn accessat<P: path::Arg, Fd: AsFd>( @@ -303,11 +303,7 @@ pub fn utimensat<P: path::Arg, Fd: AsFd>( /// `fchmodat(dirfd, path, mode, 0)`—Sets file or directory permissions. /// -/// The flags argument is fixed to 0, so `AT_SYMLINK_NOFOLLOW` is not -/// supported. <details>Platform support for this flag varies widely.</details> -/// -/// This implementation does not support `O_PATH` file descriptors, even on -/// platforms where the host libc emulates it. +/// See `fchmodat_with` for a version that does take flags. /// /// # References /// - [POSIX] @@ -319,7 +315,31 @@ pub fn utimensat<P: path::Arg, Fd: AsFd>( #[inline] #[doc(alias = "fchmodat")] pub fn chmodat<P: path::Arg, Fd: AsFd>(dirfd: Fd, path: P, mode: Mode) -> io::Result<()> { - path.into_with_c_str(|path| backend::fs::syscalls::chmodat(dirfd.as_fd(), path, mode)) + chmodat_with(dirfd, path, mode, AtFlags::empty()) +} + +/// `fchmodat(dirfd, path, mode, flags)`—Sets file or directory permissions. +/// +/// Platform support for flags varies widely, for example on Linux +/// [`AtFlags::SYMLINK_NOFOLLOW`] is not implemented and therefore +/// [`io::Errno::OPNOTSUPP`] will be returned. +/// +/// # References +/// - [POSIX] +/// - [Linux] +/// +/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchmodat.html +/// [Linux]: https://man7.org/linux/man-pages/man2/fchmodat.2.html +#[cfg(not(target_os = "wasi"))] +#[inline] +#[doc(alias = "fchmodat_with")] +pub fn chmodat_with<P: path::Arg, Fd: AsFd>( + dirfd: Fd, + path: P, + mode: Mode, + flags: AtFlags, +) -> io::Result<()> { + path.into_with_c_str(|path| backend::fs::syscalls::chmodat(dirfd.as_fd(), path, mode, flags)) } /// `fclonefileat(src, dst_dir, dst, flags)`—Efficiently copies between files. @@ -328,7 +348,7 @@ pub fn chmodat<P: path::Arg, Fd: AsFd>(dirfd: Fd, path: P, mode: Mode) -> io::Re /// - [Apple] /// /// [Apple]: https://opensource.apple.com/source/xnu/xnu-3789.21.4/bsd/man/man2/clonefile.2.auto.html -#[cfg(any(target_os = "ios", target_os = "macos"))] +#[cfg(apple)] #[inline] pub fn fclonefileat<Fd: AsFd, DstFd: AsFd, P: path::Arg>( src: Fd, @@ -349,7 +369,7 @@ pub fn fclonefileat<Fd: AsFd, DstFd: AsFd, P: path::Arg>( /// /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/mknodat.html /// [Linux]: https://man7.org/linux/man-pages/man2/mknodat.2.html -#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "wasi")))] +#[cfg(not(any(apple, target_os = "wasi")))] #[inline] pub fn mknodat<P: path::Arg, Fd: AsFd>( dirfd: Fd, @@ -374,6 +394,7 @@ pub fn mknodat<P: path::Arg, Fd: AsFd>( /// [Linux]: https://man7.org/linux/man-pages/man2/fchownat.2.html #[cfg(not(target_os = "wasi"))] #[inline] +#[doc(alias = "fchownat")] pub fn chownat<P: path::Arg, Fd: AsFd>( dirfd: Fd, path: P, |