22 lines
697 B
Rust
22 lines
697 B
Rust
// This file is part of Moonfire NVR, a security camera network video recorder.
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// Copyright (C) 2019 The Moonfire NVR Authors; see AUTHORS and LICENSE.txt.
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// SPDX-License-Identifier: GPL-v3.0-or-later WITH GPL-3.0-linking-exception.
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//! Filesystem utilities.
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use nix::fcntl::OFlag;
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use nix::sys::stat::Mode;
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use nix::NixPath;
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use std::os::unix::io::{FromRawFd, RawFd};
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/// Opens the given `path` within `dirfd` with the specified flags.
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pub fn openat<P: ?Sized + NixPath>(
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dirfd: RawFd,
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path: &P,
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oflag: OFlag,
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mode: Mode,
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) -> Result<std::fs::File, nix::Error> {
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let fd = nix::fcntl::openat(dirfd, path, oflag, mode)?;
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Ok(unsafe { std::fs::File::from_raw_fd(fd) })
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}
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