Function INF_request_info

src/jrd/inf.cpp:1024–1178

ULONG INF_request_info(const Request* request,
					   const ULONG item_length,
					   const UCHAR* items,
					   const ULONG output_length,
					   UCHAR* info)
{
/**************************************
 *
 *	I N F _ r e q u e s t _ i n f o
 *
 **************************************
 *
 * Functional description
 *	Return information about requests.
 *
 **************************************/
	CHECK_INPUT("INF_request_info");

	ULONG length = 0;

	const UCHAR* const end_items = items + item_length;
	const UCHAR* const end = info + output_length;
	UCHAR* start_info = info;
	const bool infoLengthPresent = items[0] == isc_info_length;

	if (infoLengthPresent)
		++items;

	HalfStaticArray<UCHAR, BUFFER_LARGE> buffer;
	UCHAR* buffer_ptr = buffer.getBuffer(BUFFER_TINY);

	while (items < end_items && *items != isc_info_end && info < end)
	{
		UCHAR item = *items++;

		switch (item)
		{
		case isc_info_end:
			break;

		case isc_info_number_messages:
			//length = INF_convert(request->req_nmsgs, buffer_ptr);
			length = INF_convert(0, buffer_ptr); // never used
			break;

		case isc_info_max_message:
			//length = INF_convert(request->req_mmsg, buffer_ptr);
			length = INF_convert(0, buffer_ptr); // never used
			break;

		case isc_info_max_send:
			//length = INF_convert(request->req_msend, buffer_ptr);
			length = INF_convert(0, buffer_ptr); // never used
			break;

		case isc_info_max_receive:
			//length = INF_convert(request->req_mreceive, buffer_ptr);
			length = INF_convert(0, buffer_ptr); // never used