looking-glass/host/Util.h

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/*
KVMGFX Client - A KVM Client for VGA Passthrough
Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
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#pragma once
#include <string>
#include "common\debug.h"
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class Util
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{
public:
static std::string GetSystemRoot()
{
std::string defaultPath;
size_t pathSize;
char *libPath;
if (_dupenv_s(&libPath, &pathSize, "SystemRoot") != 0)
{
DEBUG_ERROR("Unable to get the SystemRoot environment variable");
return defaultPath;
}
if (!pathSize)
{
DEBUG_ERROR("The SystemRoot environment variable is not set");
return defaultPath;
}
#ifdef _WIN64
defaultPath = std::string(libPath) + "\\System32";
#else
if (IsWow64())
{
defaultPath = std::string(libPath) + "\\Syswow64";
}
else
{
defaultPath = std::string(libPath) + "\\System32";
}
#endif
return defaultPath;
}
};