michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsSetDllDirectory_h
michael@0: #define nsSetDllDirectory_h
michael@0: 
michael@0: #ifndef XP_WIN
michael@0: #error This file only makes sense on Windows.
michael@0: #endif
michael@0: 
michael@0: #include <windows.h>
michael@0: #include <nscore.h>
michael@0: #include <stdlib.h>
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: static void SanitizeEnvironmentVariables()
michael@0: {
michael@0:   DWORD bufferSize = GetEnvironmentVariableW(L"PATH", nullptr, 0);
michael@0:   if (bufferSize) {
michael@0:     wchar_t* originalPath = new wchar_t[bufferSize];
michael@0:     if (bufferSize - 1 == GetEnvironmentVariableW(L"PATH", originalPath, bufferSize)) {
michael@0:       bufferSize = ExpandEnvironmentStringsW(originalPath, nullptr, 0);
michael@0:       if (bufferSize) {
michael@0:         wchar_t* newPath = new wchar_t[bufferSize];
michael@0:         if (ExpandEnvironmentStringsW(originalPath,
michael@0:                                       newPath,
michael@0:                                       bufferSize)) {
michael@0:           SetEnvironmentVariableW(L"PATH", newPath);
michael@0:         }
michael@0:         delete[] newPath;
michael@0:       }
michael@0:     }
michael@0:     delete[] originalPath;
michael@0:   }
michael@0: }
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif