reactos/subsys/system/cmd/vol.c

   1 /*
   2  *  VOL.C - vol internal command.
   3  *
   4  *
   5  *  History:
   6  *
   7  *    03-Dec-1998 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
   8  *        Replaced DOS calls by Win32 calls.
   9  *
  10  *    08-Dec-1998 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
  11  *        Added help text ("/?").
  12  *
  13  *    07-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
  14  *        Cleanup.
  15  *
  16  *    18-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
  17  *        Unicode ready!
  18  *
  19  *    20-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
  20  *        Redirection ready!
  21  */
  22
  23 #include "precomp.h"
  24
  25 #ifdef INCLUDE_CMD_VOL
  26
  27
  28 static INT
  29 PrintVolumeHeader (LPTSTR pszRootPath)
  30 {
  31         TCHAR szVolName[80];
  32         DWORD dwSerialNr;
  33
  34         /* get the volume information of the drive */
  35         if(!GetVolumeInformation (pszRootPath,
  36                                   szVolName,
  37                                   80,
  38                                   &dwSerialNr,
  39                                   NULL,
  40                                   NULL,
  41                                   NULL,
  42                                   0))
  43         {
  44                 ErrorMessage (GetLastError (), _T(""));
  45                 return 1;
  46         }
  47
  48         /* print drive info */
  49         ConOutPrintf (_T(" Volume in drive %c:"), pszRootPath[0]);
  50
  51         if (szVolName[0] != '\0')
  52                 ConOutPrintf (_T(" is %s\n"),
  53                               szVolName);
  54         else
  55                 ConOutPrintf (_T(" has no label\n"));
  56
  57         /* print the volume serial number */
  58         ConOutPrintf (_T(" Volume Serial Number is %04X-%04X\n"),
  59                       HIWORD(dwSerialNr),
  60                       LOWORD(dwSerialNr));
  61         return 0;
  62 }
  63
  64
  65 INT cmd_vol (LPTSTR cmd, LPTSTR param)
  66 {
  67         TCHAR szRootPath[] = _T("A:\\");
  68         TCHAR szPath[MAX_PATH];
  69
  70         if (!_tcsncmp (param, _T("/?"), 2))
  71         {
  72                 ConOutPuts (_T("Displays the disk volume label and serial number, if they exist.\n\n"
  73                             "VOL [drive:]"));
  74                 return 0;
  75         }
  76
  77         if (param[0] == _T('\0'))
  78         {
  79                 GetCurrentDirectory (MAX_PATH, szPath);
  80                 szRootPath[0] = szPath[0];
  81         }
  82         else
  83         {
  84                 _tcsupr (param);
  85                 if (param[1] == _T(':'))
  86                         szRootPath[0] = param[0];
  87                 else
  88                 {
  89                         error_invalid_drive ();
  90                         return 1;
  91                 }
  92         }
  93
  94         if (!IsValidPathName (szRootPath))
  95         {
  96                 error_invalid_drive ();
  97                 return 1;
  98         }
  99
 100         /* print the header */
 101         if (!PrintVolumeHeader (szRootPath))
 102                 return 1;
 103
 104         return 0;
 105 }
 106
 107 #endif