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https://github.com/reactos/reactos.git
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[PORTCLS]
* Fix some memory leaks. * Add some comments. * Fix broken PcNewResourceSublist which ignored the MaximumEntries parameter. * Add more checks. svn path=/trunk/; revision=55002
This commit is contained in:
Amine Khaldi
parent
3209e691d6
commit
0102072a69
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@ -34,11 +34,9 @@ public:
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}
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IMP_IResourceList;
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#ifdef BUILD_WDK
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ULONG NTAPI NumberOfEntries();
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#endif
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CResourceList(IUnknown * OuterUnknown) : m_OuterUnknown(OuterUnknown), m_PoolType(NonPagedPool), m_TranslatedResourceList(0), m_UntranslatedResourceList(0), m_NumberOfEntries(0) {}
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virtual ~CResourceList() {}
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CResourceList(IUnknown * OuterUnknown) : m_OuterUnknown(OuterUnknown), m_PoolType(NonPagedPool), m_TranslatedResourceList(0), m_UntranslatedResourceList(0), m_NumberOfEntries(0), m_MaxEntries(0), m_Ref(0) {}
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virtual ~CResourceList();
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public:
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PUNKNOWN m_OuterUnknown;
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@ -46,10 +44,24 @@ public:
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PCM_RESOURCE_LIST m_TranslatedResourceList;
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PCM_RESOURCE_LIST m_UntranslatedResourceList;
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ULONG m_NumberOfEntries;
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ULONG m_MaxEntries;
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LONG m_Ref;
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};
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CResourceList::~CResourceList()
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{
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if (m_TranslatedResourceList)
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{
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/* Free resource list */
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FreeItem(m_TranslatedResourceList, TAG_PORTCLASS);
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}
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if (m_UntranslatedResourceList)
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{
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/* Free resource list */
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FreeItem(m_UntranslatedResourceList, TAG_PORTCLASS);
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}
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}
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NTSTATUS
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NTAPI
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@ -75,7 +87,7 @@ CResourceList::QueryInterface(
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return STATUS_UNSUCCESSFUL;
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}
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#if 1
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ULONG
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NTAPI
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CResourceList::NumberOfEntries()
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@ -84,7 +96,6 @@ CResourceList::NumberOfEntries()
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return m_NumberOfEntries;
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}
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#endif
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ULONG
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NTAPI
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@ -92,39 +103,27 @@ CResourceList::NumberOfEntriesOfType(
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IN CM_RESOURCE_TYPE Type)
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{
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ULONG Index, Count = 0;
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PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor, UnPartialDescriptor;
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PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
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PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
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if (!m_TranslatedResourceList)
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/* Is there a resource list? */
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if (!m_UntranslatedResourceList)
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{
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// no resource list
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/* No resource list provided */
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return 0;
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}
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PC_ASSERT(m_TranslatedResourceList->List[0].PartialResourceList.Count == m_UntranslatedResourceList->List[0].PartialResourceList.Count);
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// I guess the translated and untranslated lists will be same length?
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for (Index = 0; Index < m_TranslatedResourceList->List[0].PartialResourceList.Count; Index ++ )
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for (Index = 0; Index < m_NumberOfEntries; Index ++ )
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{
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PartialDescriptor = &m_TranslatedResourceList->List[0].PartialResourceList.PartialDescriptors[Index];
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UnPartialDescriptor = &m_UntranslatedResourceList->List[0].PartialResourceList.PartialDescriptors[Index];
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DPRINT("Descriptor Type %u\n", PartialDescriptor->Type);
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/* Get descriptor */
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PartialDescriptor = &m_UntranslatedResourceList->List[0].PartialResourceList.PartialDescriptors[Index];
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if (PartialDescriptor->Type == Type)
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{
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// Yay! Finally found one that matches!
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/* Yay! Finally found one that matches! */
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Count++;
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}
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if (PartialDescriptor->Type == CmResourceTypeInterrupt)
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{
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DPRINT("Index %u TRANS Interrupt Number Affinity %x Level %u Vector %u Flags %x Share %x\n", Index, PartialDescriptor->u.Interrupt.Affinity, PartialDescriptor->u.Interrupt.Level, PartialDescriptor->u.Interrupt.Vector, PartialDescriptor->Flags, PartialDescriptor->ShareDisposition);
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DPRINT("Index %u UNTRANS Interrupt Number Affinity %x Level %u Vector %u Flags %x Share %x\\n", Index, UnPartialDescriptor->u.Interrupt.Affinity, UnPartialDescriptor->u.Interrupt.Level, UnPartialDescriptor->u.Interrupt.Vector, UnPartialDescriptor->Flags, UnPartialDescriptor->ShareDisposition);
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}
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else if (PartialDescriptor->Type == CmResourceTypePort)
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{
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DPRINT("Index %u TRANS Port Length %u Start %u %u Flags %x Share %x\n", Index, PartialDescriptor->u.Port.Length, PartialDescriptor->u.Port.Start.HighPart, PartialDescriptor->u.Port.Start.LowPart, PartialDescriptor->Flags, PartialDescriptor->ShareDisposition);
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DPRINT("Index %u UNTRANS Port Length %u Start %u %u Flags %x Share %x\n", Index, UnPartialDescriptor->u.Port.Length, UnPartialDescriptor->u.Port.Start.HighPart, UnPartialDescriptor->u.Port.Start.LowPart, UnPartialDescriptor->Flags, UnPartialDescriptor->ShareDisposition);
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}
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}
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DPRINT("Found %d type %d\n", Count, Type);
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@ -142,27 +141,33 @@ CResourceList::FindTranslatedEntry(
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PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
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/* Is there a resource list? */
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if (!m_TranslatedResourceList)
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{
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// no resource list
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/* No resource list */
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return NULL;
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}
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for (DescIndex = 0; DescIndex < m_TranslatedResourceList->List[0].PartialResourceList.Count; DescIndex ++ )
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for (DescIndex = 0; DescIndex < m_NumberOfEntries; DescIndex ++ )
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{
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/* Get descriptor */
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PartialDescriptor = &m_TranslatedResourceList->List[0].PartialResourceList.PartialDescriptors[DescIndex];
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if (PartialDescriptor->Type == Type)
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{
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// Yay! Finally found one that matches!
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/* Found type, is it the requested index? */
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if (Index == Count)
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{
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/* Found */
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return PartialDescriptor;
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}
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/* Need to continue search */
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Count++;
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}
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}
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/* No such descriptor */
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return NULL;
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}
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@ -177,26 +182,34 @@ CResourceList::FindUntranslatedEntry(
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PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
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/* Is there a resource list? */
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if (!m_UntranslatedResourceList)
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{
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// no resource list
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/* Empty resource list */
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return NULL;
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}
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for (DescIndex = 0; DescIndex < m_UntranslatedResourceList->List[0].PartialResourceList.Count; DescIndex ++ )
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/* Search descriptors */
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for (DescIndex = 0; DescIndex < m_NumberOfEntries; DescIndex ++ )
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{
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/* Get descriptor */
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PartialDescriptor = &m_UntranslatedResourceList->List[0].PartialResourceList.PartialDescriptors[DescIndex];
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if (PartialDescriptor->Type == Type)
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{
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// Yay! Finally found one that matches!
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/* Found type, is it the requested index? */
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if (Index == Count)
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{
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/* Found */
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return PartialDescriptor;
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}
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/* Need to continue search */
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Count++;
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}
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}
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/* No such descriptor */
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return NULL;
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}
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@ -206,68 +219,37 @@ CResourceList::AddEntry(
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IN PCM_PARTIAL_RESOURCE_DESCRIPTOR Translated,
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IN PCM_PARTIAL_RESOURCE_DESCRIPTOR Untranslated)
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{
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PCM_RESOURCE_LIST NewUntranslatedResources, NewTranslatedResources;
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ULONG NewTranslatedSize, NewUntranslatedSize, TranslatedSize, UntranslatedSize, ResourceCount;
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PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
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/* Sanity check */
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PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
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// calculate translated resource list size
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ResourceCount = m_TranslatedResourceList->List[0].PartialResourceList.Count;
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#ifdef _MSC_VER
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NewTranslatedSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[ResourceCount+1]);
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TranslatedSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[ResourceCount]);
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#else
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NewTranslatedSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (ResourceCount+1) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
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TranslatedSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (ResourceCount) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
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#endif
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NewTranslatedResources = (PCM_RESOURCE_LIST)AllocateItem(m_PoolType, NewTranslatedSize, TAG_PORTCLASS);
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if (!NewTranslatedResources)
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return STATUS_INSUFFICIENT_RESOURCES;
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// calculate untranslated resouce list size
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ResourceCount = m_UntranslatedResourceList->List[0].PartialResourceList.Count;
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#ifdef _MSC_VER
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NewUntranslatedSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[ResourceCount+1]);
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UntranslatedSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[ResourceCount]);
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#else
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NewUntranslatedSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (ResourceCount+1) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
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UntranslatedSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (ResourceCount) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
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#endif
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// allocate untranslated resource list size
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NewUntranslatedResources = (PCM_RESOURCE_LIST)AllocateItem(m_PoolType, NewUntranslatedSize, TAG_PORTCLASS);
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if (!NewUntranslatedResources)
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/* Is there still room for another entry */
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if (m_NumberOfEntries >= m_MaxEntries)
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{
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FreeItem(NewTranslatedResources, TAG_PORTCLASS);
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/* No more space */
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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// now copy translated resource list
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RtlMoveMemory(NewTranslatedResources, m_TranslatedResourceList, TranslatedSize);
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RtlMoveMemory((PUCHAR)NewTranslatedResources + TranslatedSize, Translated, sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
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/* Get free descriptor */
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PartialDescriptor = &m_UntranslatedResourceList->List[0].PartialResourceList.PartialDescriptors[m_NumberOfEntries];
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// now copy untranslated resource list
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RtlMoveMemory(NewUntranslatedResources, m_UntranslatedResourceList, UntranslatedSize);
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RtlMoveMemory((PUCHAR)NewUntranslatedResources + UntranslatedSize, Untranslated, sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
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/* Copy descriptor */
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RtlCopyMemory(PartialDescriptor, Untranslated, sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
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// free old lists
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FreeItem(m_TranslatedResourceList, TAG_PORTCLASS);
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FreeItem(m_UntranslatedResourceList, TAG_PORTCLASS);
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/* Get free descriptor */
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PartialDescriptor = &m_TranslatedResourceList->List[0].PartialResourceList.PartialDescriptors[m_NumberOfEntries];
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// store new lists
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m_UntranslatedResourceList = NewUntranslatedResources;
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m_TranslatedResourceList = NewTranslatedResources;
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/* Copy descriptor */
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RtlCopyMemory(PartialDescriptor, Translated, sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
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// increment descriptor count
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NewUntranslatedResources->List[0].PartialResourceList.Count++;
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NewTranslatedResources->List[0].PartialResourceList.Count++;
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// add entry count
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/* Add entry count */
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m_NumberOfEntries++;
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m_UntranslatedResourceList->List[0].PartialResourceList.Count++;
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m_TranslatedResourceList->List[0].PartialResourceList.Count++;
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/* Done */
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return STATUS_SUCCESS;
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}
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@ -282,16 +264,18 @@ CResourceList::AddEntryFromParent(
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PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
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/* Get entries from parent */
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Translated = Parent->FindTranslatedEntry(Type, Index);
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Untranslated = Parent->FindUntranslatedEntry(Type, Index);
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/* Are both found? */
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if (Translated && Untranslated)
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{
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// add entry from parent
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/* Add entry from parent */
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return AddEntry(Translated, Untranslated);
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}
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// entry not found
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/* Entry not found */
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return STATUS_INVALID_PARAMETER;
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}
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@ -325,99 +309,92 @@ PcNewResourceList(
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IN PCM_RESOURCE_LIST UntranslatedResourceList)
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{
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PCM_RESOURCE_LIST NewUntranslatedResources, NewTranslatedResources;
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ULONG NewTranslatedSize, NewUntranslatedSize, ResourceCount;
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ULONG ResourceSize, ResourceCount;
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CResourceList* NewList;
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NTSTATUS Status;
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if (!TranslatedResourceList)
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{
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//
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// if the untranslated resource list is also not provided, it becomes an empty resource list
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//
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/* If the untranslated resource list is also not provided, it becomes an empty resource list */
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if (UntranslatedResourceList)
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{
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// invalid parameter mix
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/* Invalid parameter mix */
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return STATUS_INVALID_PARAMETER;
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}
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}
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else
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{
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//
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// if the translated resource list is also not provided, it becomes an empty resource list
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//
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/* If the translated resource list is also not provided, it becomes an empty resource list */
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if (!UntranslatedResourceList)
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{
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// invalid parameter mix
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/* Invalid parameter mix */
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return STATUS_INVALID_PARAMETER;
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}
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}
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/* Allocate resource list */
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NewList = new(PoolType, TAG_PORTCLASS)CResourceList(OuterUnknown);
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if (!NewList)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* Query resource list */
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Status = NewList->QueryInterface(IID_IResourceList, (PVOID*)OutResourceList);
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if (!NT_SUCCESS(Status))
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{
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//
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// Ouch, FIX ME
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//
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/* Ouch, FIX ME */
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delete NewList;
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return STATUS_INVALID_PARAMETER;
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}
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/* Is there a resource list */
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if (!TranslatedResourceList)
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{
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//
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// empty resource list
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//
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/* Empty resource list */
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return STATUS_SUCCESS;
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}
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// calculate translated resource list size
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ResourceCount = TranslatedResourceList->List[0].PartialResourceList.Count;
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#ifdef _MSC_VER
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NewTranslatedSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[ResourceCount]);
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#else
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NewTranslatedSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (ResourceCount) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
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#endif
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/* Sanity check */
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ASSERT(UntranslatedResourceList->List[0].PartialResourceList.Count == TranslatedResourceList->List[0].PartialResourceList.Count);
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// store resource count
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NewList->m_NumberOfEntries = ResourceCount;
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// calculate untranslated resouce list size
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/* Get resource count */
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ResourceCount = UntranslatedResourceList->List[0].PartialResourceList.Count;
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#ifdef _MSC_VER
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NewUntranslatedSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[ResourceCount]);
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ResourceSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors[ResourceCount]);
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#else
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NewUntranslatedSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (ResourceCount) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
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ResourceSize = sizeof(CM_RESOURCE_LIST) - sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + (ResourceCount) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
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#endif
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// allocate translated resource list
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NewTranslatedResources = (PCM_RESOURCE_LIST)AllocateItem(PoolType, NewTranslatedSize, TAG_PORTCLASS);
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/* Allocate translated resource list */
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NewTranslatedResources = (PCM_RESOURCE_LIST)AllocateItem(PoolType, ResourceSize, TAG_PORTCLASS);
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if (!NewTranslatedResources)
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{
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/* No memory */
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delete NewList;
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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// allocate untranslated resource list
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NewUntranslatedResources = (PCM_RESOURCE_LIST)AllocateItem(PoolType, NewUntranslatedSize, TAG_PORTCLASS);
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/* Allocate untranslated resource list */
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NewUntranslatedResources = (PCM_RESOURCE_LIST)AllocateItem(PoolType, ResourceSize, TAG_PORTCLASS);
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if (!NewUntranslatedResources)
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{
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/* No memory */
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delete NewList;
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FreeItem(NewTranslatedResources, TAG_PORTCLASS);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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// copy resource lists
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RtlCopyMemory(NewTranslatedResources, TranslatedResourceList, NewTranslatedSize);
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RtlCopyMemory(NewUntranslatedResources, UntranslatedResourceList, NewUntranslatedSize);
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/* Copy resource lists */
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RtlCopyMemory(NewTranslatedResources, TranslatedResourceList, ResourceSize);
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RtlCopyMemory(NewUntranslatedResources, UntranslatedResourceList, ResourceSize);
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// store resource lists
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/* Init resource list */
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NewList->m_TranslatedResourceList= NewTranslatedResources;
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NewList->m_UntranslatedResourceList = NewUntranslatedResources;
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NewList->m_NumberOfEntries = ResourceCount;
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NewList->m_MaxEntries = ResourceCount;
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NewList->m_PoolType = PoolType;
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/* Done */
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return STATUS_SUCCESS;
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}
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@ -431,53 +408,60 @@ PcNewResourceSublist(
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IN PRESOURCELIST ParentList,
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IN ULONG MaximumEntries)
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{
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CResourceList* NewList, *Parent;
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CResourceList* NewList;
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ULONG ResourceSize;
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if (!OutResourceList || !ParentList || !MaximumEntries)
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return STATUS_INVALID_PARAMETER;
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Parent = (CResourceList*)ParentList;
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if (!Parent->m_TranslatedResourceList->List[0].PartialResourceList.Count ||
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!Parent->m_UntranslatedResourceList->List[0].PartialResourceList.Count)
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{
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// parent list can't be empty
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return STATUS_INVALID_PARAMETER;
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}
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/* Allocate new list */
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NewList = new(PoolType, TAG_PORTCLASS) CResourceList(OuterUnknown);
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if (!NewList)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* Get resource size */
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#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, sizeof(CM_RESOURCE_LIST), 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, sizeof(CM_RESOURCE_LIST), TAG_PORTCLASS);
|
||||
if (!NewList->m_UntranslatedResourceList)
|
||||
{
|
||||
/* No memory */
|
||||
delete NewList;
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
RtlCopyMemory(NewList->m_TranslatedResourceList, Parent->m_TranslatedResourceList, sizeof(CM_RESOURCE_LIST));
|
||||
RtlCopyMemory(NewList->m_UntranslatedResourceList, Parent->m_UntranslatedResourceList, sizeof(CM_RESOURCE_LIST));
|
||||
/* Copy resource lists */
|
||||
RtlCopyMemory(NewList->m_TranslatedResourceList, ParentList->TranslatedList(), sizeof(CM_RESOURCE_LIST));
|
||||
RtlCopyMemory(NewList->m_UntranslatedResourceList, ParentList->UntranslatedList(), sizeof(CM_RESOURCE_LIST));
|
||||
|
||||
// mark list as empty
|
||||
NewList->m_TranslatedResourceList->List[0].PartialResourceList.Count = 0;
|
||||
/* Resource list is empty */
|
||||
NewList->m_UntranslatedResourceList->List[0].PartialResourceList.Count = 0;
|
||||
// store members
|
||||
NewList->m_TranslatedResourceList->List[0].PartialResourceList.Count = 0;
|
||||
|
||||
/* Store members */
|
||||
NewList->m_OuterUnknown = OuterUnknown;
|
||||
NewList->m_PoolType = PoolType;
|
||||
NewList->m_Ref = 1;
|
||||
NewList->m_NumberOfEntries = 0;
|
||||
NewList->m_MaxEntries = MaximumEntries;
|
||||
|
||||
/* Store result */
|
||||
*OutResourceList = (IResourceList*)NewList;
|
||||
|
||||
DPRINT("PcNewResourceSublist OutResourceList %p OuterUnknown %p ParentList %p\n", *OutResourceList, OuterUnknown, ParentList);
|
||||
/* Done */
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue