gecko-dev/xpcom/base/nsSetDllDirectory.h

46 lines
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsSetDllDirectory_h
#define nsSetDllDirectory_h
#ifndef XP_WIN
#error This file only makes sense on Windows.
#endif
#include <windows.h>
#include <nscore.h>
#include <stdlib.h>
namespace mozilla {
static void
SanitizeEnvironmentVariables()
{
DWORD bufferSize = GetEnvironmentVariableW(L"PATH", nullptr, 0);
if (bufferSize) {
wchar_t* originalPath = new wchar_t[bufferSize];
if (bufferSize - 1 == GetEnvironmentVariableW(L"PATH", originalPath,
bufferSize)) {
bufferSize = ExpandEnvironmentStringsW(originalPath, nullptr, 0);
if (bufferSize) {
wchar_t* newPath = new wchar_t[bufferSize];
if (ExpandEnvironmentStringsW(originalPath,
newPath,
bufferSize)) {
SetEnvironmentVariableW(L"PATH", newPath);
}
delete[] newPath;
}
}
delete[] originalPath;
}
}
}
#endif