Geometry.cpp

Alex17 [marisolriech@infomed.sld.cu]

Es este un interesante código que le dará la posibilidad a los que logren dominarlo de hacer algunas otras cositas con el trabajo de los discos duros.

// Get Disk Geometry.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <windows.h>
#include <stdio.h>
#include <winioctl.h>

DISK_GEOMETRY SupportedGeometry[20];
DWORD SupportedGeometryCount;

VOID
GetSupportedGeometrys(HANDLE hDisk)
{
  DWORD ReturnedByteCount;
  if(DeviceIoControl(hDisk,IOCTL_DISK_GET_DRIVE_GEOMETRY,NULL,0,SupportedGeometry,sizeof(SupportedGeometry),&ReturnedByteCount,NULL))
    SupportedGeometryCount = ReturnedByteCount / sizeof(DISK_GEOMETRY);
  else
    SupportedGeometryCount = 0;
}

VOID
PrintGeometry( PDISK_GEOMETRY lpGeometry )
{
  LPSTR MediaType;
  switch ( lpGeometry->MediaType )
  {
    case F5_1Pt2_512:
      MediaType = "5.25, 1.2MB, 512 bytes/sector";
    break;
    case F3_1Pt44_512:
      MediaType = "3.5, 1.44MB, 512 bytes/sector";
    break;
    case F3_2Pt88_512:
      MediaType = "3.5, 2.88MB, 512 bytes/sector";
    break;
    case F3_20Pt8_512:
      MediaType = "3.5, 20.8MB, 512 bytes/sector";
    break;
    case F3_720_512:
      MediaType = "3.5, 720KB, 512 bytes/sector";
    break;
    case F5_360_512:
      MediaType = "5.25, 360KB, 512 bytes/sector";
    break;
    case F5_320_512:
      MediaType = "5.25, 320KB, 512 bytes/sector";
    break;
    case F5_320_1024:
      MediaType = "5.25, 320KB, 1024 bytes/sector";
    break;
    case F5_180_512:
      MediaType = "5.25, 180KB, 512 bytes/sector";
    break;
    case F5_160_512:
      MediaType = "5.25, 160KB, 512 bytes/sector";
    break;
    case RemovableMedia:
      MediaType = "Removable media other than floppy";
    break;
    case FixedMedia:
      MediaType = "Fixed hard disk media";
    break;
    default:
      MediaType = "Unknown";
    break;
  }
  printf(" Media Type: %s\n", MediaType );
  printf("Cylinders%d,Tracks/Cylinder%d,Sectors/Track%d\n",lpGeometry->Cylinders.LowPart,lpGeometry->TracksPerCylinder,lpGeometry->SectorsPerTrac); }

int main(int argc, char* argv[])
{
  HANDLE hDrive;
  UINT i;
  hDrive = CreateFile(
"\\\\.\\C:",
  0,
  FILE_SHARE_READ,
  NULL,
  OPEN_ALWAYS,
  0,
  NULL);
  if (hDrive == INVALID_HANDLE_VALUE)
  {
    printf( "Open failed: %d\n", GetLastError());
    ExitProcess(1);
  }

  GetSupportedGeometrys( hDrive );
  printf( "\nDrive C supports the following disk geometries\n" );
  for( i=0; i<SupportedGeometryCount; i++ )
  {
    printf("\n");
    PrintGeometry (&SupportedGeometry[i]);
  }
  printf("\n");
  system ("pause");
  return 0;
}

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