use crate::fd::OwnedFd;

use crate::{backend, io, path};

use backend::fd::AsFd;

use backend::fs::types::{Mode, OFlags, ResolveFlags};

/// `openat2(dirfd, path, OpenHow { oflags, mode, resolve }, sizeof(OpenHow))`—

/// Opens a file with more options.

///

/// # References

///  - [Linux]

///

/// [Linux]: https://man7.org/linux/man-pages/man2/openat2.2.html

#[inline]

pub fn openat2<Fd: AsFd, P: path::Arg>(

    dirfd: Fd,

    path: P,

    oflags: OFlags,

    mode: Mode,

    resolve: ResolveFlags,

) -> io::Result<OwnedFd> {

    path.into_with_c_str(|path| {

        backend::fs::syscalls::openat2(dirfd.as_fd(), path, oflags, mode, resolve)

    })

}