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56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
#include "win32k.h"
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_IRQL_requires_max_(APC_LEVEL)
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NTSTATUS
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_MmCopyFromCaller(
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_Out_writes_bytes_all_(Bytes) PVOID Target,
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_In_reads_bytes_(Bytes) PVOID Source,
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_In_ UINT Bytes)
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{
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NTSTATUS Status;
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PAGED_CODE();
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ASSERT(ExGetPreviousMode() == UserMode);
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Status = STATUS_SUCCESS;
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_SEH2_TRY
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{
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ProbeForRead(Source, Bytes, 1);
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RtlCopyMemory(Target, Source, Bytes);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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Status = _SEH2_GetExceptionCode();
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}
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_SEH2_END;
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return Status;
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}
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_IRQL_requires_max_(APC_LEVEL)
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NTSTATUS
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_MmCopyToCaller(
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_Out_writes_bytes_all_(Bytes) PVOID Target,
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_In_reads_bytes_(Bytes) PVOID Source,
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_In_ UINT Bytes)
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{
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NTSTATUS Status;
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PAGED_CODE();
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ASSERT(ExGetPreviousMode() == UserMode);
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Status = STATUS_SUCCESS;
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_SEH2_TRY
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{
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ProbeForWrite(Target, Bytes, 1);
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RtlCopyMemory(Target, Source, Bytes);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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Status = _SEH2_GetExceptionCode();
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}
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_SEH2_END;
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return Status;
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}
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