Function pread

src/io/read_write.rs:97–106

(
    fd: Fd,
    mut buf: Buf,
    offset: u64,
)

#[cfg(not(windows))]
#[inline]
pub fn pread<Fd: AsFd, Buf: Buffer<u8>>(
    fd: Fd,
    mut buf: Buf,
    offset: u64,
) -> io::Result<Buf::Output> {
    // SAFETY: `pread` behaves.
    let len = unsafe { backend::io::syscalls::pread(fd.as_fd(), buf.parts_mut(), offset)? };
    // SAFETY: `pread` behaves.
    unsafe { Ok(buf.assume_init(len)) }
}

/// `pwrite(fd, bufs)`—Writes to a file at a given position.
///