reactos/hal/halx86/generic/sysinfo.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS kernel
   4  * FILE:            ntoskrnl/hal/x86/sysinfo.c
   5  * PURPOSE:         Getting system information
   6  * PROGRAMMER:      David Welch (welch@mcmail.com)
   7  * UPDATE HISTORY:
   8  *                  Created 22/05/98
   9  */
  10
  11 /* INCLUDES *****************************************************************/
  12
  13 #include <hal.h>
  14 #define NDEBUG
  15 #include <debug.h>
  16
  17
  18
  19 /* FUNCTIONS ****************************************************************/
  20
  21 NTSTATUS STDCALL
  22 HalpQuerySystemInformation(IN HAL_QUERY_INFORMATION_CLASS InformationClass,
  23                            IN ULONG BufferSize,
  24                            IN OUT PVOID Buffer,
  25                            OUT PULONG ReturnedLength)
  26 {
  27   ULONG DataLength;
  28   NTSTATUS Status;
  29
  30   DPRINT1("HalpQuerySystemInformation() called\n");
  31
  32   *ReturnedLength = 0;
  33
  34   DataLength = 0;
  35
  36   switch(InformationClass)
  37     {
  38 #if 0
  39       case HalInstalledBusInformation:
  40         Status = HalpQueryBusInformation(BufferSize,
  41                                          Buffer,
  42                                          ReturnedLength);
  43         break;
  44 #endif
  45
  46       default:
  47         DataLength = 0;
  48         Status = STATUS_INVALID_LEVEL;
  49         break;
  50     }
  51
  52   if (DataLength != 0)
  53     {
  54       if (DataLength > BufferSize)
  55         DataLength = BufferSize;
  56
  57 //      RtlCopyMemory();
  58
  59       *ReturnedLength = DataLength;
  60     }
  61
  62   return(Status);
  63 }
  64
  65
  66 #if 0
  67 NTSTATUS
  68 HalpSetSystemInformation(VOID)
  69 {
  70    UNIMPLEMENTED;
  71 }
  72 #endif
  73
  74 /* EOF */