dlls/vdhcp.vxd/vdhcp.c

   1 /*
   2  * VDHCP VxD implementation
   3  *
   4  * Copyright 2003 Juan Lang
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(vxd);
  27
  28
  29 /***********************************************************************
  30  *           DeviceIoControl   (VDHCP.VXD.@)
  31  */
  32 BOOL WINAPI VDHCP_DeviceIoControl(DWORD dwIoControlCode, LPVOID lpvInBuffer,
  33                                   DWORD cbInBuffer,
  34                                   LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  35                                   LPDWORD lpcbBytesReturned,
  36                                   LPOVERLAPPED lpOverlapped)
  37 {
  38     DWORD error;
  39
  40     switch (dwIoControlCode)
  41     {
  42     case 1:
  43     {
  44         /* since IpReleaseAddress/IpRenewAddress are not implemented, say there
  45          * are no DHCP adapters
  46          */
  47         error = ERROR_FILE_NOT_FOUND;
  48         break;
  49     }
  50
  51     /* FIXME: don't know what this means */
  52     case 5:
  53         if (lpcbBytesReturned)
  54             *lpcbBytesReturned = sizeof(DWORD);
  55         if (lpvOutBuffer && cbOutBuffer >= sizeof(DWORD))
  56         {
  57             *(LPDWORD)lpvOutBuffer = 0;
  58             error = NO_ERROR;
  59         }
  60         else
  61             error = ERROR_BUFFER_OVERFLOW;
  62         break;
  63
  64     default:
  65         FIXME("(%d,%p,%d,%p,%d,%p,%p): stub\n",
  66                 dwIoControlCode,
  67                 lpvInBuffer,cbInBuffer,
  68                 lpvOutBuffer,cbOutBuffer,
  69                 lpcbBytesReturned,
  70                 lpOverlapped);
  71         error = ERROR_NOT_SUPPORTED;
  72         break;
  73     }
  74     if (error)
  75         SetLastError(error);
  76     return error == NO_ERROR;
  77 }