rosapps/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 "config.h"
  24
  25 #ifdef INCLUDE_CMD_VOL
  26
  27 #include <windows.h>
  28 #include <tchar.h>
  29 #include <string.h>
  30
  31 #include "cmd.h"
  32
  33
  34 static INT
  35 PrintVolumeHeader (LPTSTR pszRootPath)
  36 {
  37         TCHAR szVolName[80];
  38         DWORD dwSerialNr;
  39
  40         /* get the volume information of the drive */
  41         if(!GetVolumeInformation (pszRootPath, szVolName, 80, &dwSerialNr,
  42                                   NULL, NULL, NULL, 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"), szVolName);
  53         else
  54                 ConOutPrintf (_T(" has no label\n"));
  55
  56         /* print the volume serial number */
  57         ConOutPrintf (_T(" Volume Serial Number is %04X-%04X\n"),
  58                                   HIWORD(dwSerialNr), LOWORD(dwSerialNr));
  59         return 0;
  60 }
  61
  62
  63 INT cmd_vol (LPTSTR cmd, LPTSTR param)
  64 {
  65         TCHAR szRootPath[] = _T("A:\\");
  66         TCHAR szPath[MAX_PATH];
  67
  68         if (!_tcsncmp (param, _T("/?"), 2))
  69         {
  70                 ConOutPuts (_T("Displays the disk volume label and serial number, if they exist.\n\n"
  71                                            "VOL [drive:]"));
  72                 return 0;
  73         }
  74
  75         if (param[0] == _T('\0'))
  76         {
  77                 GetCurrentDirectory (MAX_PATH, szPath);
  78                 szRootPath[0] = szPath[0];
  79         }
  80         else
  81         {
  82                 _tcsupr (param);
  83                 if (param[1] == _T(':'))
  84                         szRootPath[0] = param[0];
  85                 else
  86                 {
  87                         error_invalid_drive ();
  88                         return 1;
  89                 }
  90         }
  91
  92         if (!IsValidPathName (szRootPath))
  93         {
  94                 error_invalid_drive ();
  95                 return 1;
  96         }
  97
  98         /* print the header */
  99         if (!PrintVolumeHeader (szRootPath))
 100             return 1;
 101
 102         return 0;
 103 }
 104
 105 #endif