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c5fa27e2d7
- Remove usage of unexported RtlDuplicateUnicodeString in green.sys driver (this is basically the same fix which Herve applied to blue.sys). svn path=/trunk/; revision=33758
114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
/*
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* PROJECT: ReactOS VT100 emulator
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/base/green/green.c
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* PURPOSE: Driver entry point
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* PROGRAMMERS: Copyright 2005-2006 Hervé Poussineau (hpoussin@reactos.org)
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*/
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#include "green.h"
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#define NDEBUG
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#include <debug.h>
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VOID NTAPI
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DriverUnload(IN PDRIVER_OBJECT DriverObject)
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{
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// nothing to do here yet
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}
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/*
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* Standard DriverEntry method.
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*/
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NTSTATUS NTAPI
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DriverEntry(
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath)
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{
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PGREEN_DRIVER_EXTENSION DriverExtension;
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ULONG i;
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NTSTATUS Status;
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Status = IoAllocateDriverObjectExtension(
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DriverObject,
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DriverObject,
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sizeof(GREEN_DRIVER_EXTENSION),
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(PVOID*)&DriverExtension);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("IoAllocateDriverObjectExtension() failed with status 0x%08lx\n", Status);
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return Status;
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}
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RtlZeroMemory(DriverExtension, sizeof(GREEN_DRIVER_EXTENSION));
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Status = GreenDuplicateUnicodeString(
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0,
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RegistryPath,
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&DriverExtension->RegistryPath);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("GreenDuplicateUnicodeString() failed with status 0x%08lx\n", Status);
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return Status;
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}
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Status = ReadRegistryEntries(RegistryPath, DriverExtension);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("ReadRegistryEntries() failed with status 0x%08lx\n", Status);
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return Status;
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}
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DriverObject->DriverUnload = DriverUnload;
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DriverObject->DriverExtension->AddDevice = GreenAddDevice;
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for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
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DriverObject->MajorFunction[i] = GreenDispatch;
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return STATUS_SUCCESS;
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}
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NTSTATUS
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GreenDuplicateUnicodeString(
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IN ULONG Flags,
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IN PCUNICODE_STRING SourceString,
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OUT PUNICODE_STRING DestinationString)
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{
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if (SourceString == NULL || DestinationString == NULL
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|| SourceString->Length > SourceString->MaximumLength
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|| (SourceString->Length == 0 && SourceString->MaximumLength > 0 && SourceString->Buffer == NULL)
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|| Flags == RTL_DUPLICATE_UNICODE_STRING_ALLOCATE_NULL_STRING || Flags >= 4)
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{
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return STATUS_INVALID_PARAMETER;
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}
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if ((SourceString->Length == 0)
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&& (Flags != (RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE |
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RTL_DUPLICATE_UNICODE_STRING_ALLOCATE_NULL_STRING)))
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{
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DestinationString->Length = 0;
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DestinationString->MaximumLength = 0;
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DestinationString->Buffer = NULL;
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}
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else
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{
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USHORT DestMaxLength = SourceString->Length;
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if (Flags & RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE)
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DestMaxLength += sizeof(UNICODE_NULL);
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DestinationString->Buffer = ExAllocatePool(PagedPool, DestMaxLength);
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if (DestinationString->Buffer == NULL)
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return STATUS_NO_MEMORY;
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RtlCopyMemory(DestinationString->Buffer, SourceString->Buffer, SourceString->Length);
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DestinationString->Length = SourceString->Length;
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DestinationString->MaximumLength = DestMaxLength;
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if (Flags & RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE)
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DestinationString->Buffer[DestinationString->Length / sizeof(WCHAR)] = 0;
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}
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return STATUS_SUCCESS;
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}
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