xpcom/base/nsSetDllDirectory.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Mozilla Foundation.
  19  * Portions created by the Initial Developer are Copyright (C) 2010
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Ehsan Akhgari <ehsan@mozilla.com> (Original Author)
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef XP_WIN
  40 #error This file only makes sense on Windows.
  41 #endif
  42
  43 #include <windows.h>
  44 #include "nsSetDllDirectory.h"
  45
  46 namespace mozilla {
  47
  48 XPCOM_API(void)
  49 NS_SetDllDirectory(const WCHAR *aDllDirectory)
  50 {
  51   typedef BOOL
  52   (WINAPI *pfnSetDllDirectory) (LPCWSTR);
  53   static pfnSetDllDirectory setDllDirectory = nsnull;
  54   if (!setDllDirectory) {
  55     setDllDirectory = reinterpret_cast<pfnSetDllDirectory>
  56       (GetProcAddress(GetModuleHandleW(L"kernel32.dll"), "SetDllDirectoryW"));
  57   }
  58   if (setDllDirectory) {
  59     setDllDirectory(aDllDirectory);
  60   }
  61 }
  62
  63 }
  64