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/* Copyright (C) 2025 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "precompiled.h"
#include "lib/sysdep/os/win/wversion.h"
#include "lib/sysdep/os/win/win.h"
#include <sstream>
#include <utility>
const char* wversion_Family()
{
size_t windowsVersion = 0;
// note: don't use GetVersion[Ex] because it gives the version of the
// emulated OS when running an app with compatibility shims enabled.
HKEY hKey;
if(RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{
wchar_t windowsVersionString[32];
DWORD size = sizeof(windowsVersionString);
std::ignore = RegQueryValueExW(hKey, L"CurrentVersion", 0, 0,
reinterpret_cast<LPBYTE>(windowsVersionString), &size);
unsigned major = 0, minor = 0;
swscanf_s(windowsVersionString, L"%u.%u", &major, &minor);
ENSURE(4 <= major && major <= 0xFF);
ENSURE(minor <= 0xFF);
windowsVersion = (major << 8) | minor;
RegCloseKey(hKey);
}
else
DEBUG_WARN_ERR(ERR::LOGIC);
ENSURE(windowsVersion != 0);
switch(windowsVersion)
{
case WVERSION_2K:
return "Win2k";
case WVERSION_XP:
return "WinXP";
case WVERSION_XP64:
return "WinXP64";
case WVERSION_VISTA:
return "Vista";
case WVERSION_7:
return "Win7";
case WVERSION_8:
return "Win8";
case WVERSION_8_1:
return "Win8.1";
case WVERSION_10:
return "Win10";
default:
return "Windows";
}
}
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