base/shell/cmd/vol.c

   1 /*
   2  *  VOL.C - vol internal command.
   3  *
   4  *
   5  *  History:
   6  *
   7  *    03-Dec-1998 (Eric Kohl)
   8  *        Replaced DOS calls by Win32 calls.
   9  *
  10  *    08-Dec-1998 (Eric Kohl)
  11  *        Added help text ("/?").
  12  *
  13  *    07-Jan-1999 (Eric Kohl)
  14  *        Cleanup.
  15  *
  16  *    18-Jan-1999 (Eric Kohl)
  17  *        Unicode ready!
  18  *
  19  *    20-Jan-1999 (Eric Kohl)
  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         if (szVolName[0] != '\0')
  50         {
  51                 ConOutResPrintf(STRING_VOL_HELP1, pszRootPath[0],szVolName);
  52         }
  53         else
  54         {
  55                 ConOutResPrintf(STRING_VOL_HELP2, pszRootPath[0]);
  56         }
  57
  58         /* print the volume serial number */
  59         ConOutResPrintf(STRING_VOL_HELP3, HIWORD(dwSerialNr), LOWORD(dwSerialNr));
  60         return 0;
  61 }
  62
  63
  64 INT cmd_vol (LPTSTR param)
  65 {
  66         TCHAR szRootPath[] = _T("A:\\");
  67         TCHAR szPath[MAX_PATH];
  68
  69         if (!_tcsncmp (param, _T("/?"), 2))
  70         {
  71                 ConOutResPaging(TRUE,STRING_VOL_HELP4);
  72                 return 0;
  73         }
  74
  75   nErrorLevel = 0;
  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       nErrorLevel = 1;
  91                         return 1;
  92                 }
  93         }
  94
  95         if (!IsValidPathName (szRootPath))
  96         {
  97                 error_invalid_drive ();
  98      nErrorLevel = 1;
  99                 return 1;
 100         }
 101
 102         /* print the header */
 103         if (!PrintVolumeHeader (szRootPath))
 104   {
 105             nErrorLevel = 1;
 106                 return 1;
 107   }
 108
 109         return 0;
 110 }
 111
 112 #endif