cupsDoRequest changes request->request.op.operation_id

[Jardel Weyrich]

> Hi there.
>
> I'm writing an application that uses IPP_GET_NOTIFICATIONS to get the events on a given subscription id.
>
> The problem occurs here:
>
> ipp_t *request = ippNewRequest(IPP_GET_NOTIFICATIONS);
> ...append the attributes...
> printf("id = %d\n", request->request.op.operation_id);
> ipp_t *response = cupsDoRequest(m_http, request, resource);
> printf("id = %d\n", request->request.op.operation_id);
>
> The output is:
> id = 28
> id = 3
>
> For some reason, the cupsDoRequest() is internally changing the operation_id. Maybe,
> I suppose it's an error, isn't it? Please, explain me.
>
> Thank you in advance,
> Jardel
>
>
>
>
>

By the way, I'm using the request->request.op.operation_id for debugging purpose. I don't see any collateral effect, just the value itself.