resource.cpp File Reference

#include "private.hpp"
#include <debug.h>

Include dependency graph for resource.cpp:

Go to the source code of this file.

Classes
class	CResourceList

Macros
#define	NDEBUG

Functions
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)
PORTCLASSAPI NTSTATUS NTAPI	PcNewResourceSublist (OUT PRESOURCELIST *OutResourceList, IN PUNKNOWN OuterUnknown OPTIONAL, IN POOL_TYPE PoolType, IN PRESOURCELIST ParentList, IN ULONG MaximumEntries)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 14 of file resource.cpp.

Function Documentation

PcNewResourceList()

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 295 of file resource.cpp.

{
    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;
}

Referenced by PortClsPnp().

PcNewResourceSublist()

PORTCLASSAPI NTSTATUS NTAPI PcNewResourceSublist	(	OUT PRESOURCELIST *	OutResourceList,
		IN PUNKNOWN OuterUnknown	OPTIONAL,
		IN POOL_TYPE	PoolType,
		IN PRESOURCELIST	ParentList,
		IN ULONG	MaximumEntries
	)

Definition at line 395 of file resource.cpp.

{
    CResourceList* NewList;
    ULONG ResourceSize;
 
    if (!OutResourceList || !ParentList || !MaximumEntries)
        return STATUS_INVALID_PARAMETER;
 
    /* Allocate new list */
    NewList = new(PoolType, TAG_PORTCLASS) CResourceList(OuterUnknown);
    if (!NewList)
        return STATUS_INSUFFICIENT_RESOURCES;
 
    /* Get resource size */
#ifdef _MSC_VER
    ResourceSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[MaximumEntries]);
#else
    ResourceSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (MaximumEntries) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
#endif
 
    /* Allocate resource list */
    NewList->m_TranslatedResourceList = (PCM_RESOURCE_LIST)AllocateItem(PoolType, ResourceSize, TAG_PORTCLASS);
    if (!NewList->m_TranslatedResourceList)
    {
        /* No memory */
        delete NewList;
        return STATUS_INSUFFICIENT_RESOURCES;
    }
 
    /* Allocate resource list */
    NewList->m_UntranslatedResourceList = (PCM_RESOURCE_LIST)AllocateItem(PoolType, ResourceSize, TAG_PORTCLASS);
    if (!NewList->m_UntranslatedResourceList)
    {
        /* No memory */
        delete NewList;
        return STATUS_INSUFFICIENT_RESOURCES;
    }
 
    /* Copy resource lists */
    RtlCopyMemory(NewList->m_TranslatedResourceList, ParentList->TranslatedList(), sizeof(CM_RESOURCE_LIST));
    RtlCopyMemory(NewList->m_UntranslatedResourceList, ParentList->UntranslatedList(), sizeof(CM_RESOURCE_LIST));
 
    /* Resource list is empty */
    NewList->m_UntranslatedResourceList->List[0].PartialResourceList.Count = 0;
    NewList->m_TranslatedResourceList->List[0].PartialResourceList.Count = 0;
 
    /* Store members */
    NewList->m_OuterUnknown = OuterUnknown;
    NewList->m_PoolType = PoolType;
    NewList->AddRef();
    NewList->m_NumberOfEntries = 0;
    NewList->m_MaxEntries = MaximumEntries;
 
    /* Store result */
    *OutResourceList = (IResourceList*)NewList;
 
    /* Done */
    return STATUS_SUCCESS;
}

Referenced by AssignResources(), and ProcessResources().