22 windows_22_windows_file 文件系统-卷

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windows_22_windows_file 文件系统-卷


  1. // windows_22_windows_file.cpp : 定义控制台应用程序的入口点。
  2. //
  4. #include "stdafx.h"
  5. #include <windows.h>
  7. void RenameDisk( )
  8. {
  9.   SetVolumeLabel( "C:\\", "SYSTEM" );
  10. }
  12. void ShowSpace( LPSTR pszDrive )
  13. {
  14.   DWORD nSecPerCluster = 0;
  15.   DWORD nBytesPerSector = 0;
  16.   DWORD nFreeClusters = 0;
  17.   DWORD nTotalClusters = 0;
  18.   GetDiskFreeSpace( pszDrive, &nSecPerCluster,
  19.     &nBytesPerSector, &nFreeClusters, &nTotalClusters );
  21.   printf( "\tnSecPerCluster:%d,nBytesPerSector:%d,nFreeClusters:%d, nTotalClusters%d\n",
  22.     nSecPerCluster, nBytesPerSector, nFreeClusters, nTotalClusters );
  24.   //获取大小
  25.   UINT64 nFreeAvailable = 0;
  26.   /*
  27.   PULARGE_INTEGER 可以用 UINT64，PULARGE_INTEGER是丙从此DWORD合成的一个结构体
  28.   UINT64 用 %I64d 输出
  29.   */
  30.   UINT64 nTotalBytes    = 0;
  31.   UINT64 nFreeBytes     = 0;
  32.   GetDiskFreeSpaceEx( pszDrive, (PULARGE_INTEGER)&nFreeAvailable,
  33.     (PULARGE_INTEGER)&nTotalBytes, (PULARGE_INTEGER)&nFreeBytes );
  34.   printf( "FreeAvailable:%I64dGB Total:%I64dGB Free:%I64dGB\n",
  35.     nFreeAvailable / 1024 / 1024 / 1024, nTotalBytes / 1024 / 1024 / 1024, nFreeBytes / 1024 / 1024 / 1024 );
  36. }
  38. //获取磁盘信息
  39. void ShowVolumneInfo( LPSTR pszDrive )
  40. {
  41.   CHAR szVolumneName[256]   = { 0 };
  42.   DWORD nVolumneSerial      = 0;
  43.   DWORD nMaxLength          = 0;
  44.   DWORD nFileSystem         = 0;
  45.   CHAR szFileSystem[256]    = { 0 };
  47.   //获取卷信息
  48.   GetVolumeInformation( pszDrive, szVolumneName, 256,
  49.     &nVolumneSerial, &nMaxLength, &nFileSystem,
  50.     szFileSystem, 256 );
  52.   printf( "\tName=%s Serial=%08X Length=%d FileSystem=%08X FileSystemInfo=%s\n", szVolumneName,
  53.     nVolumneSerial, nMaxLength, nFileSystem,
  54.     szFileSystem );
  55. }
  57. //获取盘的类型
  58. void ShowType( LPSTR pszDrive )
  59. {
  60.   UINT nType = GetDriveType( pszDrive );
  61.   switch (nType)
  62.   {
  63.   case DRIVE_FIXED:
  64.     printf( "%s：硬盘\n" ,pszDrive );
  65.     break;
  66.   case DRIVE_CDROM:
  67.     printf( "%s：光驱\n" ,pszDrive );
  68.     break;
  69.   case DRIVE_REMOVABLE:
  70.     printf( "%s：移动硬盘\n" ,pszDrive );
  71.     break;
  72.   default:
  73.     printf( "%s暂未识别,未识别号：%d\n", pszDrive, nType );
  74.     break;
  75.   }
  76. }
  78. void ShowVolumn( )
  79. {
  80.   CHAR szText[256] = { 0 };
  81.   DWORD nDrives = GetLogicalDrives( );
  82.   printf( "nDrives:%08X\n", nDrives );
  83.   GetLogicalDriveStrings( 256, szText );
  85.   CHAR *pszTmp = szText; //定义一个临时接管指针
  86.   while (0!=pszTmp[0])
  87.   {
  88.     printf( "Drives:%s\n", pszTmp );
  89.     ShowType( pszTmp );
  90.     ShowVolumneInfo( pszTmp );
  91.     ShowSpace( pszTmp );
  92.     pszTmp = strlen( pszTmp ) + 1 + pszTmp;
  93.   }
  94. }
  96. int _tmain(int argc, _TCHAR* argv[])
  97. {
  98.   ShowVolumn( );
  100. 	return 0;
  101. }





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