Function read

src/io/read_write.rs:39–44

(fd: Fd, mut buf: Buf)

/// [glibc]: https://sourceware.org/glibc/manual/latest/html_node/I_002fO-Primitives.html#index-reading-from-a-file-descriptor
#[inline]
pub fn read<Fd: AsFd, Buf: Buffer<u8>>(fd: Fd, mut buf: Buf) -> io::Result<Buf::Output> {
    // SAFETY: `read` behaves.
    let len = unsafe { backend::io::syscalls::read(fd.as_fd(), buf.parts_mut())? };
    // SAFETY: `read` behaves.
    unsafe { Ok(buf.assume_init(len)) }
}

/// `write(fd, buf)`—Writes to a stream.
///