use crate::{backend, io}; use backend::fd::AsFd; /// `copy_file_range(fd_in, off_in, fd_out, off_out, len, 0)`—Copies data /// from one file to another. /// /// # References /// - [Linux] /// /// [Linux]: https://man7.org/linux/man-pages/man2/copy_file_range.2.html #[inline] pub fn copy_file_range( fd_in: InFd, off_in: Option<&mut u64>, fd_out: OutFd, off_out: Option<&mut u64>, len: usize, ) -> io::Result { backend::fs::syscalls::copy_file_range(fd_in.as_fd(), off_in, fd_out.as_fd(), off_out, len) }