rosapps/green/green.c

   1 /*
   2  * PROJECT:     ReactOS VT100 emulator
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        drivers/base/green/green.c
   5  * PURPOSE:     Driver entry point
   6  * PROGRAMMERS: Copyright 2005-2006 Hervé Poussineau (hpoussin@reactos.org)
   7  */
   8
   9 #include "green.h"
  10
  11 #define NDEBUG
  12 #include <debug.h>
  13
  14 VOID NTAPI
  15 DriverUnload(IN PDRIVER_OBJECT DriverObject)
  16 {
  17         // nothing to do here yet
  18 }
  19
  20 /*
  21  * Standard DriverEntry method.
  22  */
  23 NTSTATUS NTAPI
  24 DriverEntry(
  25         IN PDRIVER_OBJECT DriverObject,
  26         IN PUNICODE_STRING RegistryPath)
  27 {
  28         PGREEN_DRIVER_EXTENSION DriverExtension;
  29         ULONG i;
  30         NTSTATUS Status;
  31
  32         Status = IoAllocateDriverObjectExtension(
  33                 DriverObject,
  34                 DriverObject,
  35                 sizeof(GREEN_DRIVER_EXTENSION),
  36                 (PVOID*)&DriverExtension);
  37         if (!NT_SUCCESS(Status))
  38         {
  39                 DPRINT("IoAllocateDriverObjectExtension() failed with status 0x%08lx\n", Status);
  40                 return Status;
  41         }
  42         RtlZeroMemory(DriverExtension, sizeof(GREEN_DRIVER_EXTENSION));
  43
  44         Status = RtlDuplicateUnicodeString(
  45                 0,
  46                 RegistryPath,
  47                 &DriverExtension->RegistryPath);
  48         if (!NT_SUCCESS(Status))
  49         {
  50                 DPRINT("RtlDuplicateUnicodeString() failed with status 0x%08lx\n", Status);
  51                 return Status;
  52         }
  53
  54         Status = ReadRegistryEntries(RegistryPath, DriverExtension);
  55         if (!NT_SUCCESS(Status))
  56         {
  57                 DPRINT("ReadRegistryEntries() failed with status 0x%08lx\n", Status);
  58                 return Status;
  59         }
  60
  61         DriverObject->DriverUnload = DriverUnload;
  62         DriverObject->DriverExtension->AddDevice = GreenAddDevice;
  63
  64         for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
  65                 DriverObject->MajorFunction[i] = GreenDispatch;
  66
  67         return STATUS_SUCCESS;
  68 }