Method size

src/net/send_recv/msg.rs:165–173

Get the maximum size of an ancillary message. This can be used to determine the size of the buffer to allocate for a [`SendAncillaryBuffer::new`] with one message.

(&self)

    /// This can be used to determine the size of the buffer to allocate for a
    /// [`SendAncillaryBuffer::new`] with one message.
    pub const fn size(&self) -> usize {
        match self {
            Self::ScmRights(slice) => cmsg_space!(ScmRights(slice.len())),
            #[cfg(linux_kernel)]
            Self::ScmCredentials(_) => cmsg_space!(ScmCredentials(1)),
            #[cfg(target_os = "linux")]
            Self::TxTime(_) => cmsg_space!(TxTime(1)),
        }
    }
}

/// Ancillary message for [`recvmsg`].