PcNewResourceList

PcNewResourceSublist

PORTCLASSAPI NTSTATUS NTAPI PcNewResourceList	(	OUT PRESOURCELIST *	OutResourceList,
		IN PUNKNOWN OuterUnknown	OPTIONAL,
		IN POOL_TYPE	PoolType,
		IN PCM_RESOURCE_LIST	TranslatedResourceList,
		IN PCM_RESOURCE_LIST	UntranslatedResourceList
	)

Definition at line 304 of file resource.cpp.

Referenced by PortClsPnp().

{
    PCM_RESOURCE_LIST NewUntranslatedResources, NewTranslatedResources;
    ULONG ResourceSize, ResourceCount;
    CResourceList* NewList;
    NTSTATUS Status;

    if (!TranslatedResourceList)
    {
        /* If the untranslated resource list is also not provided, it becomes an empty resource list */
        if (UntranslatedResourceList)
        {
            /* Invalid parameter mix */
            return STATUS_INVALID_PARAMETER;
        }
    }
    else
    {
        /* If the translated resource list is also not provided, it becomes an empty resource list */
        if (!UntranslatedResourceList)
        {
            /* Invalid parameter mix */
            return STATUS_INVALID_PARAMETER;
        }
    }

    /* Allocate resource list */
    NewList = new(PoolType, TAG_PORTCLASS)CResourceList(OuterUnknown);
    if (!NewList)
        return STATUS_INSUFFICIENT_RESOURCES;

    /* Query resource list */
    Status = NewList->QueryInterface(IID_IResourceList, (PVOID*)OutResourceList);
    if (!NT_SUCCESS(Status))
    {
        /* Ouch, FIX ME */
        delete NewList;
        return STATUS_INVALID_PARAMETER;
    }

    /* Is there a resource list */
    if (!TranslatedResourceList)
    {
        /* Empty resource list */
        return STATUS_SUCCESS;
    }

    /* Sanity check */
    ASSERT(UntranslatedResourceList->List[0].PartialResourceList.Count == TranslatedResourceList->List[0].PartialResourceList.Count);

    /* Get resource count */
    ResourceCount = UntranslatedResourceList->List[0].PartialResourceList.Count;
#ifdef _MSC_VER
    ResourceSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[ResourceCount]);
#else
    ResourceSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (ResourceCount) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
#endif

    /* Allocate translated resource list */
    NewTranslatedResources = (PCM_RESOURCE_LIST)AllocateItem(PoolType, ResourceSize, TAG_PORTCLASS);
    if (!NewTranslatedResources)
    {
        /* No memory */
        delete NewList;
        return STATUS_INSUFFICIENT_RESOURCES;
    }

    /* Allocate untranslated resource list */
    NewUntranslatedResources = (PCM_RESOURCE_LIST)AllocateItem(PoolType, ResourceSize, TAG_PORTCLASS);
    if (!NewUntranslatedResources)
    {
        /* No memory */
        delete NewList;
        FreeItem(NewTranslatedResources, TAG_PORTCLASS);
        return STATUS_INSUFFICIENT_RESOURCES;
    }

    /* Copy resource lists */
    RtlCopyMemory(NewTranslatedResources, TranslatedResourceList, ResourceSize);
    RtlCopyMemory(NewUntranslatedResources, UntranslatedResourceList, ResourceSize);

    /* Init resource list */
    NewList->m_TranslatedResourceList= NewTranslatedResources;
    NewList->m_UntranslatedResourceList = NewUntranslatedResources;
    NewList->m_NumberOfEntries = ResourceCount;
    NewList->m_MaxEntries = ResourceCount;    
    NewList->m_PoolType = PoolType;
 
    /* Done */
    return STATUS_SUCCESS;
}

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