moonfire-nvr/server/db/fs.rs
Scott Lamb 2936c138c5 various doc improvements
I bumped the minimum Rust version because I'm taking advantage of
the rustdoc linking added in Rust 1.48:
https://blog.rust-lang.org/2020/11/19/Rust-1.48.html#easier-linking-in-rustdoc
2021-04-10 17:34:52 -07:00

22 lines
697 B
Rust

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