vol.c

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/*
 *  VOL.C - vol internal command.
 *
 *
 *  History:
 *
 *    03-Dec-1998 (Eric Kohl)
 *        Replaced DOS calls by Win32 calls.
 *
 *    08-Dec-1998 (Eric Kohl)
 *        Added help text ("/?").
 *
 *    07-Jan-1999 (Eric Kohl)
 *        Cleanup.
 *
 *    18-Jan-1999 (Eric Kohl)
 *        Unicode ready!
 *
 *    20-Jan-1999 (Eric Kohl)
 *        Redirection ready!
 */
 
#include "precomp.h"
 
#ifdef INCLUDE_CMD_VOL
 
 
static INT
PrintVolumeHeader (LPTSTR pszRootPath)
{
    TCHAR szVolName[80];
    DWORD dwSerialNr;
 
    /* get the volume information of the drive */
    if (!GetVolumeInformation(pszRootPath,
                             szVolName,
                             80,
                             &dwSerialNr,
                             NULL,
                             NULL,
                             NULL,
                             0))
    {
        ErrorMessage(GetLastError (), NULL);
        return 1;
    }
 
    /* print drive info */
    if (szVolName[0] != '\0')
    {
        ConOutResPrintf(STRING_VOL_HELP1, pszRootPath[0],szVolName);
    }
    else
    {
        ConOutResPrintf(STRING_VOL_HELP2, pszRootPath[0]);
    }
 
    /* print the volume serial number */
    ConOutResPrintf(STRING_VOL_HELP3, HIWORD(dwSerialNr), LOWORD(dwSerialNr));
    return 0;
}
 
 
INT cmd_vol (LPTSTR param)
{
    TCHAR szRootPath[] = _T("A:\\");
    TCHAR szPath[MAX_PATH];
 
    if (!_tcsncmp(param, _T("/?"), 2))
    {
        ConOutResPaging(TRUE,STRING_VOL_HELP4);
        return 0;
    }
 
    nErrorLevel = 0;
 
    if (param[0] == _T('\0'))
    {
        GetCurrentDirectory(MAX_PATH, szPath);
        szRootPath[0] = szPath[0];
    }
    else
    {
        _tcsupr (param);
        if (param[1] == _T(':'))
        {
            szRootPath[0] = param[0];
        }
        else
        {
            error_invalid_drive ();
            nErrorLevel = 1;
            return 1;
        }
    }
 
    if (!IsValidPathName (szRootPath))
    {
        error_invalid_drive ();
        nErrorLevel = 1;
        return 1;
    }
 
    /* print the header */
    if (!PrintVolumeHeader (szRootPath))
    {
        nErrorLevel = 1;
        return 1;
    }
 
    return 0;
}
 
#endif