mirror of
https://github.com/reactos/reactos.git
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[RTL]
- Implement Rtl MemoryStream functions. Patch by David Quintana. CORE-7492 svn path=/trunk/; revision=60705
This commit is contained in:
Thomas Faber
parent
fc553a6968
commit
fec54daadd
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@ -52,6 +52,7 @@ target_link_libraries(ntdll
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rtl
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ntdllsys
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libcntpr
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uuid
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${PSEH_LIB})
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add_pch(ntdll include/ntdll.h)
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@ -405,7 +405,7 @@
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@ stdcall -arch=x86_64 RtlAddFunctionTable(ptr long long)
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;@ stdcall RtlAddMandatoryAce(ptr long long long long ptr)
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@ stdcall RtlAddRefActivationContext(ptr)
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;@ stdcall RtlAddRefMemoryStream
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@ stdcall RtlAddRefMemoryStream(ptr)
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@ stdcall RtlAddVectoredContinueHandler(long ptr)
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@ stdcall RtlAddVectoredExceptionHandler(long ptr)
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;@ stdcall RtlAddressInSectionTable
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@ -440,8 +440,8 @@
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@ stdcall RtlCheckRegistryKey(long ptr)
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@ stdcall RtlClearAllBits(ptr)
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@ stdcall RtlClearBits(ptr long long)
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;@ stdcall RtlCloneMemoryStream
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;@ stdcall RtlCommitMemoryStream
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@ stdcall RtlCloneMemoryStream(ptr ptr)
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@ stdcall RtlCommitMemoryStream(ptr long)
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@ stdcall RtlCompactHeap(long long)
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@ stdcall RtlCompareMemory(ptr ptr long)
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@ stdcall RtlCompareMemoryUlong(ptr long long)
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@ -464,8 +464,8 @@
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@ stdcall RtlCopyLuid(ptr ptr)
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@ stdcall RtlCopyLuidAndAttributesArray(long ptr ptr)
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;@ stdcall RtlCopyMappedMemory
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;@ stdcall RtlCopyMemoryStreamTo
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;@ stdcall RtlCopyOutOfProcessMemoryStreamTo
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@ stdcall RtlCopyMemoryStreamTo(ptr ptr int64 ptr ptr)
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@ stdcall RtlCopyOutOfProcessMemoryStreamTo(ptr ptr int64 ptr ptr) RtlCopyMemoryStreamTo
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;@ stdcall RtlCopyRangeList ; 5.0 and 5.1 only
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@ stdcall RtlCopySecurityDescriptor(ptr ptr)
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@ stdcall RtlCopySid(long ptr ptr)
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@ -571,7 +571,7 @@
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@ stdcall -arch=win32 -ret64 RtlExtendedMagicDivide(double double long)
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@ stdcall RtlFillMemory(ptr long long)
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@ stdcall RtlFillMemoryUlong(ptr long long)
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;@ stdcall RtlFinalReleaseOutOfProcessMemoryStream
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@ stdcall RtlFinalReleaseOutOfProcessMemoryStream(ptr)
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@ stdcall RtlFindActivationContextSectionGuid(long ptr long ptr ptr)
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@ stdcall RtlFindActivationContextSectionString(long ptr long ptr ptr)
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@ stdcall RtlFindCharInUnicodeString(long ptr ptr ptr)
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@ -658,9 +658,9 @@
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@ stdcall RtlInitAnsiString(ptr str)
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@ stdcall RtlInitAnsiStringEx(ptr str)
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@ stdcall RtlInitCodePageTable(ptr ptr)
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;@ stdcall RtlInitMemoryStream
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@ stdcall RtlInitMemoryStream(ptr)
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@ stdcall RtlInitNlsTables(ptr ptr ptr ptr)
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;@ stdcall RtlInitOutOfProcessMemoryStream
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@ stdcall RtlInitOutOfProcessMemoryStream(ptr)
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@ stdcall RtlInitString(ptr str)
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@ stdcall RtlInitUnicodeString(ptr wstr)
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@ stdcall RtlInitUnicodeStringEx(ptr wstr)
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@ -735,7 +735,7 @@
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@ stdcall RtlLocalTimeToSystemTime(ptr ptr)
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@ stdcall RtlLockBootStatusData(ptr)
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@ stdcall RtlLockHeap(long)
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;@ stdcall RtlLockMemoryStreamRegion
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@ stdcall RtlLockMemoryStreamRegion(ptr int64 int64 long)
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;@ stdcall RtlLogStackBackTrace
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@ stdcall RtlLookupAtomInAtomTable(ptr wstr ptr)
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@ stdcall RtlLookupElementGenericTable(ptr ptr)
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@ -781,7 +781,7 @@
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@ stdcall RtlQueryInformationAcl(ptr ptr long long)
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@ stdcall RtlQueryInformationActivationContext(long long ptr long ptr long ptr)
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@ stdcall RtlQueryInformationActiveActivationContext(long ptr long ptr)
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;@ stdcall RtlQueryInterfaceMemoryStream
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@ stdcall RtlQueryInterfaceMemoryStream(ptr ptr ptr)
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;@ stdcall RtlQueryProcessBackTraceInformation
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@ stdcall RtlQueryProcessDebugInformation(long long ptr)
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;@ stdcall RtlQueryProcessHeapInformation
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@ -800,14 +800,14 @@
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@ stdcall RtlRandom(ptr)
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@ stdcall RtlRandomEx(ptr)
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@ stdcall RtlReAllocateHeap(long long ptr long)
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;@ stdcall RtlReadMemoryStream
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;@ stdcall RtlReadOutOfProcessMemoryStream
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@ stdcall RtlReadMemoryStream(ptr ptr long ptr)
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@ stdcall RtlReadOutOfProcessMemoryStream(ptr ptr long ptr)
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@ stdcall RtlRealPredecessor(ptr)
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@ stdcall RtlRealSuccessor(ptr)
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@ stdcall RtlRegisterSecureMemoryCacheCallback(ptr)
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@ stdcall RtlRegisterWait(ptr ptr ptr ptr long long)
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@ stdcall RtlReleaseActivationContext(ptr)
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;@ stdcall RtlReleaseMemoryStream
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@ stdcall RtlReleaseMemoryStream(ptr)
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@ stdcall RtlReleasePebLock()
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@ stdcall RtlReleasePrivilege(ptr)
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@ stdcall RtlReleaseRelativeName(ptr)
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@ -820,12 +820,12 @@
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@ stdcall RtlResetRtlTranslations(ptr)
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@ stdcall -arch=x86_64 RtlRestoreContext(ptr ptr)
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@ stdcall RtlRestoreLastWin32Error(long) RtlSetLastWin32Error
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;@ stdcall RtlRevertMemoryStream
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@ stdcall RtlRevertMemoryStream(ptr)
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@ stdcall RtlRunDecodeUnicodeString(long ptr)
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@ stdcall RtlRunEncodeUnicodeString(long ptr)
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@ stdcall RtlSecondsSince1970ToTime(long ptr)
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@ stdcall RtlSecondsSince1980ToTime(long ptr)
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;@ stdcall RtlSeekMemoryStream
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@ stdcall RtlSeekMemoryStream(ptr int64 long ptr)
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@ stdcall RtlSelfRelativeToAbsoluteSD2(ptr ptr)
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@ stdcall RtlSelfRelativeToAbsoluteSD(ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr)
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@ stdcall RtlSetAllBits(ptr)
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@ -844,7 +844,7 @@
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@ stdcall RtlSetIoCompletionCallback(long ptr long)
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@ stdcall RtlSetLastWin32Error(long)
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@ stdcall RtlSetLastWin32ErrorAndNtStatusFromNtStatus(long)
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;@ stdcall RtlSetMemoryStreamSize
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@ stdcall RtlSetMemoryStreamSize(ptr int64)
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@ stdcall RtlSetOwnerSecurityDescriptor(ptr ptr long)
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@ stdcall RtlSetProcessIsCritical(long ptr long)
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;@ stdcall RtlSetProperties ; RtlSetProperties
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@ -869,7 +869,7 @@
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@ stdcall RtlSleepConditionVariableSRW(ptr ptr ptr long)
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@ stdcall RtlSplay(ptr)
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;@ stdcall RtlStartRXact
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;@ stdcall RtlStatMemoryStream
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@ stdcall RtlStatMemoryStream(ptr ptr long)
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@ stdcall RtlStringFromGUID(ptr ptr)
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@ stdcall RtlSubAuthorityCountSid(ptr)
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@ stdcall RtlSubAuthoritySid(ptr long)
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@ -907,7 +907,7 @@
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@ stdcall RtlUniform(ptr)
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@ stdcall RtlUnlockBootStatusData(ptr)
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@ stdcall RtlUnlockHeap(long)
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;@ stdcall RtlUnlockMemoryStreamRegion
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@ stdcall RtlUnlockMemoryStreamRegion(ptr int64 int64 long)
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@ stdcall -register RtlUnwind(ptr ptr ptr ptr)
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@ stdcall -arch=x86_64 RtlUnwindEx(long long ptr long ptr)
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@ stdcall RtlUpcaseUnicodeChar(long)
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@ -938,7 +938,7 @@
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@ stdcall RtlWow64EnableFsRedirectionEx(long ptr)
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@ stdcall RtlWakeAllConditionVariable(ptr)
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@ stdcall RtlWakeConditionVariable(ptr)
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;@ stdcall RtlWriteMemoryStream
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@ stdcall RtlWriteMemoryStream(ptr ptr long ptr)
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@ stdcall RtlWriteRegistryValue(long ptr ptr long ptr long)
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@ stdcall RtlZeroHeap(ptr long)
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@ stdcall RtlZeroMemory(ptr long)
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@ -4152,6 +4152,180 @@ RtlComputeImportTableHash(
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);
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#endif
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//
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// MemoryStream functions
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//
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#ifdef NTOS_MODE_USER
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NTSYSAPI
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VOID
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NTAPI
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RtlInitMemoryStream(
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_Out_ PRTL_MEMORY_STREAM Stream
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);
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NTSYSAPI
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VOID
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NTAPI
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RtlInitOutOfProcessMemoryStream(
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_Out_ PRTL_MEMORY_STREAM Stream
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);
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NTSYSAPI
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VOID
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NTAPI
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RtlFinalReleaseOutOfProcessMemoryStream(
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_In_ PRTL_MEMORY_STREAM Stream
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlQueryInterfaceMemoryStream(
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_In_ struct IStream *This,
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_In_ REFIID RequestedIid,
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_Outptr_ PVOID *ResultObject
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);
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NTSYSAPI
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ULONG
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NTAPI
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RtlAddRefMemoryStream(
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_In_ struct IStream *This
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);
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NTSYSAPI
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ULONG
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NTAPI
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RtlReleaseMemoryStream(
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_In_ struct IStream *This
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlReadMemoryStream(
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_In_ struct IStream *This,
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_Out_writes_bytes_(Length) PVOID Buffer,
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_In_ ULONG Length,
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_Out_opt_ PULONG BytesRead
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlReadOutOfProcessMemoryStream(
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_In_ struct IStream *This,
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_Out_writes_bytes_(Length) PVOID Buffer,
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_In_ ULONG Length,
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_Out_opt_ PULONG BytesRead
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlSeekMemoryStream(
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_In_ struct IStream *This,
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_In_ LARGE_INTEGER RelativeOffset,
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_In_ ULONG Origin,
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_Out_opt_ PULARGE_INTEGER ResultOffset
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlCopyMemoryStreamTo(
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_In_ struct IStream *This,
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_In_ struct IStream *Target,
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_In_ ULARGE_INTEGER Length,
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_Out_opt_ PULARGE_INTEGER BytesRead,
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_Out_opt_ PULARGE_INTEGER BytesWritten
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlCopyOutOfProcessMemoryStreamTo(
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_In_ struct IStream *This,
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_In_ struct IStream *Target,
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_In_ ULARGE_INTEGER Length,
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_Out_opt_ PULARGE_INTEGER BytesRead,
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_Out_opt_ PULARGE_INTEGER BytesWritten
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlStatMemoryStream(
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_In_ struct IStream *This,
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_Out_ struct tagSTATSTG *Stats,
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_In_ ULONG Flags
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);
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// Dummy functions
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NTSYSAPI
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HRESULT
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NTAPI
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RtlWriteMemoryStream(
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_In_ struct IStream *This,
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_In_reads_bytes_(Length) CONST VOID *Buffer,
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_In_ ULONG Length,
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_Out_opt_ PULONG BytesWritten
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlSetMemoryStreamSize(
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_In_ struct IStream *This,
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_In_ ULARGE_INTEGER NewSize
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlCommitMemoryStream(
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_In_ struct IStream *This,
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_In_ ULONG CommitFlags
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlRevertMemoryStream(
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_In_ struct IStream *This
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlLockMemoryStreamRegion(
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_In_ struct IStream *This,
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_In_ ULARGE_INTEGER Offset,
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_In_ ULARGE_INTEGER Length,
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_In_ ULONG LockType
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlUnlockMemoryStreamRegion(
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_In_ struct IStream *This,
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_In_ ULARGE_INTEGER Offset,
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_In_ ULARGE_INTEGER Length,
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_In_ ULONG LockType
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);
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NTSYSAPI
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HRESULT
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NTAPI
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RtlCloneMemoryStream(
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_In_ struct IStream *This,
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_Outptr_ struct IStream **ResultStream
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);
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#endif // NTOS_MODE_USER
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#ifdef __cplusplus
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}
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#endif
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@ -1559,6 +1559,44 @@ typedef struct _MESSAGE_RESOURCE_DATA
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#endif /* !NTOS_MODE_USER */
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#ifdef NTOS_MODE_USER
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//
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// Memory Stream
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//
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#ifndef CONST_VTBL
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#ifdef CONST_VTABLE
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#define CONST_VTBL const
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#else
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#define CONST_VTBL
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#endif
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#endif
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struct IStreamVtbl;
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struct IStream;
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struct tagSTATSTG;
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typedef struct _RTL_MEMORY_STREAM RTL_MEMORY_STREAM, *PRTL_MEMORY_STREAM;
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typedef VOID
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(NTAPI *PRTL_MEMORY_STREAM_FINAL_RELEASE_ROUTINE)(
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_In_ PRTL_MEMORY_STREAM Stream
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);
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struct _RTL_MEMORY_STREAM
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{
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CONST_VTBL struct IStreamVtbl *Vtbl;
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LONG RefCount;
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ULONG Unk1;
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PVOID Current;
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PVOID Start;
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PVOID End;
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PRTL_MEMORY_STREAM_FINAL_RELEASE_ROUTINE FinalRelease;
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HANDLE ProcessHandle;
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};
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#endif /* NTOS_MODE_USER */
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#ifdef __cplusplus
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}
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#endif
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@ -33,6 +33,7 @@ list(APPEND SOURCE
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heapuser.c
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image.c
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interlck.c
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memstream.c
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message.c
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largeint.c
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luid.c
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|
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469
reactos/lib/rtl/memstream.c
Normal file
469
reactos/lib/rtl/memstream.c
Normal file
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@ -0,0 +1,469 @@
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/* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/rtl/mem.c
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* PURPOSE: MemoryStream functions
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* PROGRAMMER: David Quintana (gigaherz@gmail.com)
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*/
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/* INCLUDES *******************************************************************/
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#define COBJMACROS
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#define CONST_VTABLE
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#include <rtl.h>
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#define NDEBUG
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#include <debug.h>
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/* VIRTUAL METHOD TABLES ******************************************************/
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const struct IStreamVtbl RtlMemoryStreamVtbl =
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{
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RtlQueryInterfaceMemoryStream,
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RtlAddRefMemoryStream,
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RtlReleaseMemoryStream,
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RtlReadMemoryStream,
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RtlWriteMemoryStream,
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RtlSeekMemoryStream,
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RtlSetMemoryStreamSize,
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RtlCopyMemoryStreamTo,
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RtlCommitMemoryStream,
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RtlRevertMemoryStream,
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RtlLockMemoryStreamRegion,
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RtlUnlockMemoryStreamRegion,
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RtlStatMemoryStream,
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RtlCloneMemoryStream,
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};
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const struct IStreamVtbl RtlOutOfProcessMemoryStreamVtbl =
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{
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RtlQueryInterfaceMemoryStream,
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RtlAddRefMemoryStream,
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RtlReleaseMemoryStream,
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RtlReadOutOfProcessMemoryStream,
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RtlWriteMemoryStream,
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RtlSeekMemoryStream,
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RtlSetMemoryStreamSize,
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RtlCopyMemoryStreamTo,
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RtlCommitMemoryStream,
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RtlRevertMemoryStream,
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RtlLockMemoryStreamRegion,
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RtlUnlockMemoryStreamRegion,
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RtlStatMemoryStream,
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RtlCloneMemoryStream,
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};
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/* FUNCTIONS ******************************************************************/
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static
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PRTL_MEMORY_STREAM
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IStream_To_RTL_MEMORY_STREAM(
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_In_ IStream *Interface)
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{
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if (Interface == NULL)
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return NULL;
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return CONTAINING_RECORD(Interface, RTL_MEMORY_STREAM, Vtbl);
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}
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/*
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* @implemented
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*/
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VOID
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NTAPI
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RtlInitMemoryStream(
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_Out_ PRTL_MEMORY_STREAM Stream)
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{
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RtlZeroMemory(Stream, sizeof(RTL_MEMORY_STREAM));
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Stream->Vtbl = &RtlMemoryStreamVtbl;
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}
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/*
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* @implemented
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*/
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VOID
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NTAPI
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RtlInitOutOfProcessMemoryStream(
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_Out_ PRTL_MEMORY_STREAM Stream)
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{
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RtlZeroMemory(Stream, sizeof(RTL_MEMORY_STREAM));
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Stream->Vtbl = &RtlOutOfProcessMemoryStreamVtbl;
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Stream->FinalRelease = RtlFinalReleaseOutOfProcessMemoryStream;
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}
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/*
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* @unimplemented
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*/
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VOID
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NTAPI
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RtlFinalReleaseOutOfProcessMemoryStream(
|
||||
_In_ PRTL_MEMORY_STREAM Stream)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlQueryInterfaceMemoryStream(
|
||||
_In_ IStream *This,
|
||||
_In_ REFIID RequestedIid,
|
||||
_Outptr_ PVOID *ResultObject)
|
||||
{
|
||||
if (IsEqualGUID(RequestedIid, &IID_IUnknown) ||
|
||||
IsEqualGUID(RequestedIid, &IID_ISequentialStream) ||
|
||||
IsEqualGUID(RequestedIid, &IID_IStream))
|
||||
{
|
||||
IStream_AddRef(This);
|
||||
*ResultObject = This;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
*ResultObject = NULL;
|
||||
return E_NOINTERFACE;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
ULONG
|
||||
NTAPI
|
||||
RtlAddRefMemoryStream(
|
||||
_In_ IStream *This)
|
||||
{
|
||||
PRTL_MEMORY_STREAM Stream = IStream_To_RTL_MEMORY_STREAM(This);
|
||||
|
||||
return InterlockedIncrement(&Stream->RefCount);
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
ULONG
|
||||
NTAPI
|
||||
RtlReleaseMemoryStream(
|
||||
_In_ IStream *This)
|
||||
{
|
||||
PRTL_MEMORY_STREAM Stream = IStream_To_RTL_MEMORY_STREAM(This);
|
||||
LONG Result;
|
||||
|
||||
Result = InterlockedDecrement(&Stream->RefCount);
|
||||
|
||||
if (Result == 0)
|
||||
{
|
||||
if (Stream->FinalRelease)
|
||||
Stream->FinalRelease(Stream);
|
||||
}
|
||||
|
||||
return Result;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlReadMemoryStream(
|
||||
_In_ IStream *This,
|
||||
_Out_writes_bytes_(Length) PVOID Buffer,
|
||||
_In_ ULONG Length,
|
||||
_Out_opt_ PULONG BytesRead)
|
||||
{
|
||||
ULONG CopyLength;
|
||||
PRTL_MEMORY_STREAM Stream = IStream_To_RTL_MEMORY_STREAM(This);
|
||||
SIZE_T Available = (PUCHAR)Stream->End - (PUCHAR)Stream->Current;
|
||||
|
||||
if (BytesRead)
|
||||
*BytesRead = 0;
|
||||
|
||||
if (!Length)
|
||||
return S_OK;
|
||||
|
||||
CopyLength = min(Available, Length);
|
||||
|
||||
RtlMoveMemory(Buffer, Stream->Current, CopyLength);
|
||||
|
||||
Stream->Current = (PUCHAR)Stream->Current + CopyLength;
|
||||
|
||||
*BytesRead = CopyLength;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlReadOutOfProcessMemoryStream(
|
||||
_In_ IStream *This,
|
||||
_Out_writes_bytes_(Length) PVOID Buffer,
|
||||
_In_ ULONG Length,
|
||||
_Out_opt_ PULONG BytesRead)
|
||||
{
|
||||
NTSTATUS Status;
|
||||
ULONG CopyLength;
|
||||
PRTL_MEMORY_STREAM Stream = IStream_To_RTL_MEMORY_STREAM(This);
|
||||
SIZE_T Available = (PUCHAR)Stream->End - (PUCHAR)Stream->Current;
|
||||
|
||||
if (BytesRead)
|
||||
*BytesRead = 0;
|
||||
|
||||
if (!Length)
|
||||
return S_OK;
|
||||
|
||||
CopyLength = min(Available, Length);
|
||||
|
||||
Status = NtReadVirtualMemory(Stream->ProcessHandle,
|
||||
Stream->Current,
|
||||
Buffer,
|
||||
CopyLength,
|
||||
BytesRead);
|
||||
|
||||
if (NT_SUCCESS(Status))
|
||||
Stream->Current = (PUCHAR)Stream->Current + *BytesRead;
|
||||
|
||||
return HRESULT_FROM_WIN32(RtlNtStatusToDosError(Status));
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlSeekMemoryStream(
|
||||
_In_ IStream *This,
|
||||
_In_ LARGE_INTEGER RelativeOffset,
|
||||
_In_ ULONG Origin,
|
||||
_Out_opt_ PULARGE_INTEGER ResultOffset)
|
||||
{
|
||||
PVOID NewPosition;
|
||||
PRTL_MEMORY_STREAM Stream = IStream_To_RTL_MEMORY_STREAM(This);
|
||||
|
||||
switch (Origin)
|
||||
{
|
||||
case STREAM_SEEK_SET:
|
||||
NewPosition = (PUCHAR)Stream->Start + RelativeOffset.QuadPart;
|
||||
break;
|
||||
|
||||
case STREAM_SEEK_CUR:
|
||||
NewPosition = (PUCHAR)Stream->Current + RelativeOffset.QuadPart;
|
||||
break;
|
||||
|
||||
case STREAM_SEEK_END:
|
||||
NewPosition = (PUCHAR)Stream->End - RelativeOffset.QuadPart;
|
||||
break;
|
||||
|
||||
default:
|
||||
return E_INVALIDARG;
|
||||
}
|
||||
|
||||
if (NewPosition < Stream->Start || NewPosition > Stream->End)
|
||||
return STG_E_INVALIDPOINTER;
|
||||
|
||||
Stream->Current = NewPosition;
|
||||
|
||||
if (ResultOffset)
|
||||
ResultOffset->QuadPart = (PUCHAR)Stream->Current - (PUCHAR)Stream->Start;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlCopyMemoryStreamTo(
|
||||
_In_ IStream *This,
|
||||
_In_ IStream *Target,
|
||||
_In_ ULARGE_INTEGER Length,
|
||||
_Out_opt_ PULARGE_INTEGER BytesRead,
|
||||
_Out_opt_ PULARGE_INTEGER BytesWritten)
|
||||
{
|
||||
CHAR Buffer[1024];
|
||||
ULONGLONG TotalSize;
|
||||
ULONG Left, Amount;
|
||||
HRESULT Result;
|
||||
|
||||
if (BytesRead)
|
||||
BytesRead->QuadPart = 0;
|
||||
if (BytesWritten)
|
||||
BytesWritten->QuadPart = 0;
|
||||
|
||||
if (!Target)
|
||||
return S_OK;
|
||||
|
||||
if (!Length.QuadPart)
|
||||
return S_OK;
|
||||
|
||||
/* Copy data */
|
||||
TotalSize = Length.QuadPart;
|
||||
while (TotalSize)
|
||||
{
|
||||
Left = min(TotalSize, sizeof(Buffer));
|
||||
|
||||
/* Read */
|
||||
Result = IStream_Read(This, Buffer, Left, &Amount);
|
||||
if (BytesRead)
|
||||
BytesRead->QuadPart += Amount;
|
||||
if (FAILED(Result) || Amount == 0)
|
||||
break;
|
||||
|
||||
Left = Amount;
|
||||
|
||||
/* Write */
|
||||
Result = IStream_Write(Target, Buffer, Left, &Amount);
|
||||
if (BytesWritten)
|
||||
BytesWritten->QuadPart += Amount;
|
||||
if (FAILED(Result) || Amount != Left)
|
||||
break;
|
||||
|
||||
TotalSize -= Left;
|
||||
}
|
||||
return Result;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlStatMemoryStream(
|
||||
_In_ IStream *This,
|
||||
_Out_ STATSTG *Stats,
|
||||
_In_ ULONG Flags)
|
||||
{
|
||||
PRTL_MEMORY_STREAM Stream = IStream_To_RTL_MEMORY_STREAM(This);
|
||||
|
||||
if (!Stats)
|
||||
return STG_E_INVALIDPOINTER;
|
||||
|
||||
RtlZeroMemory(Stats, sizeof(STATSTG));
|
||||
Stats->type = STGTY_STREAM;
|
||||
Stats->cbSize.QuadPart = (PUCHAR)Stream->End - (PUCHAR)Stream->Start;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
/* DUMMY FUNCTIONS ************************************************************/
|
||||
/*
|
||||
* The following functions return E_NOTIMPL in Windows Server 2003.
|
||||
*/
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlWriteMemoryStream(
|
||||
_In_ IStream *This,
|
||||
_In_reads_bytes_(Length) CONST VOID *Buffer,
|
||||
_In_ ULONG Length,
|
||||
_Out_opt_ PULONG BytesWritten)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(This);
|
||||
UNREFERENCED_PARAMETER(Buffer);
|
||||
UNREFERENCED_PARAMETER(Length);
|
||||
UNREFERENCED_PARAMETER(BytesWritten);
|
||||
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlSetMemoryStreamSize(
|
||||
_In_ IStream *This,
|
||||
_In_ ULARGE_INTEGER NewSize)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(This);
|
||||
UNREFERENCED_PARAMETER(NewSize);
|
||||
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlCommitMemoryStream(
|
||||
_In_ IStream *This,
|
||||
_In_ ULONG CommitFlags)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(This);
|
||||
UNREFERENCED_PARAMETER(CommitFlags);
|
||||
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlRevertMemoryStream(
|
||||
_In_ IStream *This)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(This);
|
||||
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlLockMemoryStreamRegion(
|
||||
_In_ IStream *This,
|
||||
_In_ ULARGE_INTEGER Offset,
|
||||
_In_ ULARGE_INTEGER Length,
|
||||
_In_ ULONG LockType)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(This);
|
||||
UNREFERENCED_PARAMETER(Offset);
|
||||
UNREFERENCED_PARAMETER(Length);
|
||||
UNREFERENCED_PARAMETER(LockType);
|
||||
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlUnlockMemoryStreamRegion(
|
||||
_In_ IStream *This,
|
||||
_In_ ULARGE_INTEGER Offset,
|
||||
_In_ ULARGE_INTEGER Length,
|
||||
_In_ ULONG LockType)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(This);
|
||||
UNREFERENCED_PARAMETER(Offset);
|
||||
UNREFERENCED_PARAMETER(Length);
|
||||
UNREFERENCED_PARAMETER(LockType);
|
||||
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HRESULT
|
||||
NTAPI
|
||||
RtlCloneMemoryStream(
|
||||
_In_ IStream *This,
|
||||
_Outptr_ IStream **ResultStream)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(This);
|
||||
UNREFERENCED_PARAMETER(ResultStream);
|
||||
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
Loading…
Reference in a new issue