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This commit is contained in:
Birunthan Mohanathas 2014-02-13 19:21:38 +02:00
parent c71585a818
commit 7a1c0f6e78
2 changed files with 23 additions and 72 deletions
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84
Common/Platform.cpp
View File

@ -23,15 +23,15 @@ namespace Platform {
LPCWSTR GetPlatformName() LPCWSTR GetPlatformName()
{ {
bool isServer = IsWindowsServer(); const bool isServer = IsWindowsServer();
// Note: Place newer versions at the top. // Note: Place newer versions at the top.
if (IsWindows8Point1OrGreater()) return isServer ? L"Windows Server 2012 R2" : L"Windows 8.1"; if (IsWindows8Point1OrGreater()) return isServer ? L"Windows Server 2012 R2" : L"Windows 8.1";
if (IsWindows8OrGreater()) return isServer ? L"Windows Server 2012" : L"Windows 8"; if (IsWindows8OrGreater()) return isServer ? L"Windows Server 2012" : L"Windows 8";
if (IsWindows7OrGreater()) return isServer ? L"Windows Server 2008 R2" : L"Windows 7"; if (IsWindows7OrGreater()) return isServer ? L"Windows Server 2008 R2" : L"Windows 7";
if (IsWindowsVistaOrGreater()) return isServer ? L"Windows Server 2008" : L"Windows Vista"; if (IsWindowsVistaOrGreater()) return isServer ? L"Windows Server 2008" : L"Windows Vista";
if (IsWindowsXPOrGreater()) return isServer ? L"Windows Server 2003" : L"Windows XP"; if (IsWindowsXPOrGreater()) return isServer ? L"Windows Server 2003" : L"Windows XP";
return L"Unknown"; return L"Unknown";
} }
@ -39,38 +39,30 @@ LPCWSTR GetPlatformName()
std::wstring GetPlatformFriendlyName() std::wstring GetPlatformFriendlyName()
{ {
std::wstring name; std::wstring name;
WCHAR* buffer = new WCHAR[MAX_LINE_LENGTH]; WCHAR buffer[256];
DWORD size = MAX_LINE_LENGTH; DWORD size = _countof(buffer);
HKEY hKey; HKEY hKey;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Windows NT\\CurrentVersion", 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Windows NT\\CurrentVersion", 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{ {
if (RegQueryValueEx(hKey, L"ProductName", nullptr, nullptr, (LPBYTE)buffer, (LPDWORD)&size) == ERROR_SUCCESS) if (RegQueryValueEx(hKey, L"ProductName", nullptr, nullptr, (LPBYTE)buffer, (LPDWORD)&size) == ERROR_SUCCESS)
{ {
bool is64Bit = false;
bool has64Bit = GetPlatformBit(is64Bit);
name += buffer; name += buffer;
name += L' '; name += L' ';
name += (has64Bit) ? (is64Bit) ? L" 64" : L" 32" : L" ???"; name += Is64BitWindows() ? L"64" : L"32";
name += L"-bit"; name += L"-bit";
size = MAX_LINE_LENGTH; size = _countof(buffer);
if (RegQueryValueEx(hKey, L"CurrentBuildNumber", nullptr, nullptr, (LPBYTE)buffer, (LPDWORD)&size) == ERROR_SUCCESS) if (RegQueryValueEx(hKey, L"CurrentBuildNumber", nullptr, nullptr, (LPBYTE)buffer, (LPDWORD)&size) == ERROR_SUCCESS ||
{ RegQueryValueEx(hKey, L"CurrentBuild", nullptr, nullptr, (LPBYTE)buffer, (LPDWORD)&size) == ERROR_SUCCESS)
name += L" (build ";
name += buffer;
name += L')';
}
else if (RegQueryValueEx(hKey, L"CurrentBuild", nullptr, nullptr, (LPBYTE)buffer, (LPDWORD)&size) == ERROR_SUCCESS)
{ {
name += L" (build "; name += L" (build ";
name += buffer; name += buffer;
name += L')'; name += L')';
} }
size = MAX_LINE_LENGTH; size = _countof(buffer);
if (RegQueryValueEx(hKey, L"CSDVersion", nullptr, nullptr, (LPBYTE)buffer, (LPDWORD)&size) == ERROR_SUCCESS) if (RegQueryValueEx(hKey, L"CSDVersion", nullptr, nullptr, (LPBYTE)buffer, (LPDWORD)&size) == ERROR_SUCCESS)
{ {
name += L' '; name += L' ';
@ -85,59 +77,27 @@ std::wstring GetPlatformFriendlyName()
name = L"Windows version unknown"; name = L"Windows version unknown";
} }
delete [] buffer;
return name; return name;
} }
/* /*
** Returns |true| if the OS architecture can be found (either 32-bit or 64-bit), ** Returns |true| if running on 64-bit Windows.
** or |false| if it cannot be determined.
**
** Note: IsWow64Process was introduced with Windows XP SP2.
*/ */
bool GetPlatformBit(bool& is64Bit) bool Is64BitWindows()
{ {
#if _WIN64 #if _WIN64
is64Bit = true;
return true; return true;
#endif
#elif _WIN32 typedef BOOL(WINAPI * IsWow64ProcessFunc)(HANDLE hProcess, PBOOL Wow64Process);
auto isWow64Process = (IsWow64ProcessFunc)GetProcAddress(GetModuleHandle(L"kernel32"), "IsWow64Process");
BOOL isWow64 = FALSE; if (isWow64Process)
LPFN_ISWOW64PROCESS fnIsWow64Process =
(LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(L"kernel32"), "IsWow64Process");
if (fnIsWow64Process)
{ {
if (!fnIsWow64Process(GetCurrentProcess(), &isWow64)) BOOL isWow64 = FALSE;
{ return isWow64Process(GetCurrentProcess(), &isWow64) && isWow64;
return false;
}
if (isWow64)
{
is64Bit = true;
}
else
{
is64Bit = false;
}
return true;
} }
else
{
return false;
}
#else
return false; return false;
#endif
} }
} // namespace Platform } // namespace Platform

11
Common/Platform.h
View File

@ -21,20 +21,11 @@
#include <string> #include <string>
#define MAX_LINE_LENGTH 4096
namespace Platform { namespace Platform {
typedef BOOL(WINAPI * LPFN_ISWOW64PROCESS)(HANDLE hProcess, PBOOL Wow64Process);
typedef BOOL(WINAPI * PGETPRODUCTINFO)(DWORD dwOSMajorVersion,
DWORD dwOSMinorVersion,
DWORD dwSpMajorVersion,
DWORD dwSpMinorVersion,
PDWORD pdwReturnedProductType);
LPCWSTR GetPlatformName(); LPCWSTR GetPlatformName();
std::wstring GetPlatformFriendlyName(); std::wstring GetPlatformFriendlyName();
bool GetPlatformBit(bool& is64Bit); bool Is64BitWindows();
} // namespace Platform } // namespace Platform