Function INF_put_item

src/jrd/inf.cpp:979–1021

UCHAR* INF_put_item(UCHAR item,
					ULONG length,
					const void* data,
					UCHAR* ptr,
					const UCHAR* end,
					const bool inserting)
{
/**************************************
 *
 *	I N F _ p u t _ i t e m
 *
 **************************************
 *
 * Functional description
 *	Put information item in output buffer if there is room, and
 *	return an updated pointer.  If there isn't room for the item,
 *	indicate truncation and return NULL.
 *	If we are inserting, we don't need space for isc_info_end, since it was calculated already.
 *
 **************************************/

	if ((ptr + length + (inserting ? 3 : 4) >= end) || (length > MAX_USHORT))
	{
		if (ptr < end)
		{
			*ptr++ = isc_info_truncated;
			if (ptr < end && !inserting)
				*ptr++ = isc_info_end;
		}
		return NULL;
	}

	*ptr++ = item;
	STUFF_WORD(ptr, length);

	if (length)
	{
		memmove(ptr, data, length);
		ptr += length;
	}

	return ptr;
}


ULONG INF_request_info(const Request* request,