| 1 | //! The `cwd` function, representing the current working directory. |
| 2 | //! |
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| 3 | //! # Safety |
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| 4 | //! |
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| 5 | //! This file uses `AT_FDCWD`, which is a raw file descriptor, but which is |
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| 6 | //! always valid. |
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| 7 | |
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| 8 | #![allow (unsafe_code)] |
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| 9 | |
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| 10 | use crate::backend; |
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| 11 | use backend::c; |
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| 12 | use backend::fd::{BorrowedFd, RawFd}; |
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| 13 | |
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| 14 | /// Return the value of [`CWD`]. |
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| 15 | #[deprecated (note = "Use `CWD` in place of `cwd()`." )] |
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| 16 | pub const fn cwd() -> BorrowedFd<'static> { |
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| 17 | let at_fdcwd: i32 = c::AT_FDCWD as RawFd; |
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| 18 | |
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| 19 | // SAFETY: `AT_FDCWD` is a reserved value that is never dynamically |
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| 20 | // allocated, so it'll remain valid for the duration of `'static`. |
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| 21 | unsafe { BorrowedFd::<'static>::borrow_raw(fd:at_fdcwd) } |
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| 22 | } |
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| 23 | |
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