ProSysLib: Dissecting the Process

// PSLOSVersion.cpp : Implementation of CPSLOSVersion

#include "stdafx.h"
#include "PSLOSVersion.h"

CPSLOSVersion::CPSLOSVersion()
{
	m_OSVersion = osvUnknown;

	m_Version.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
	if(!::GetVersionEx((OSVERSIONINFO*)&m_Version))
		return;

	switch(m_Version.dwMajorVersion)
	{
	case 5: // 2000/XP/2003;
		{
			if(m_Version.dwMinorVersion == 1)
				m_OSVersion = osvWindowsXP;
			else
				if(m_Version.dwMinorVersion == 2)
					m_OSVersion = osvWindows2003;
				else
					m_OSVersion = osvWindows2000; // info.dwMinorVersion is 0;
			break;
		}
	case 6: // Vista/2008/7;
		{
			if(m_Version.wProductType == VER_NT_SERVER)
				m_OSVersion = osvWindows2008;
			else
			{
				if(m_Version.dwMinorVersion == 1)
					m_OSVersion = osvWindows7;
				else
					if(m_Version.dwMinorVersion > 1)
						m_OSVersion = osvWindows8;
					else
						m_OSVersion = osvWindowsVista;	// info.wProductType is either
														// VER_NT_WORKSTATION or VER_NT_DOMAIN_CONTROLLER;
			}
			break;
		}
	default:
		{
			if(m_Version.dwMajorVersion > 6)
				m_OSVersion = osvWindows8;

			break;
		}
	}
}

HRESULT CPSLOSVersion::FinalConstruct()
{
	return S_OK;
}

void CPSLOSVersion::FinalRelease()
{
}

////////////////////////////////////////////////////////////////////////
// Interface Implementation;
////////////////////////////////////////////////////////////////////////

STDMETHODIMP CPSLOSVersion::get_OSVersion(PSLOSMainVersion * pValue)
{
	PSL_BEGIN

	*pValue = m_OSVersion;

	PSL_END
}

STDMETHODIMP CPSLOSVersion::get_OSMajor(long * pValue)
{
	PSL_BEGIN

	*pValue = m_Version.dwMajorVersion;

	PSL_END
}

STDMETHODIMP CPSLOSVersion::get_OSMinor(long * pValue)
{
	PSL_BEGIN

	*pValue = m_Version.dwMinorVersion;

	PSL_END
}

STDMETHODIMP CPSLOSVersion::get_OSBuild(long * pValue)
{
	PSL_BEGIN

	*pValue = m_Version.dwBuildNumber;

	PSL_END
}

STDMETHODIMP CPSLOSVersion::get_IsHomeEdition(VARIANT_BOOL * pValue)
{
	PSL_BEGIN

	if(m_Version.wSuiteMask & (smPersonal + smHomeServer))
		*pValue = VARIANT_TRUE;
	else
		*pValue = VARIANT_FALSE;

	PSL_END
}

STDMETHODIMP CPSLOSVersion::get_SuitMask(PSLOSSuitMask * pValue)
{
	PSL_BEGIN

	*pValue = (PSLOSSuitMask)m_Version.wSuiteMask;

	PSL_END
}

STDMETHODIMP CPSLOSVersion::get_SPMajor(long * pValue)
{
	PSL_BEGIN

	*pValue = m_Version.wServicePackMajor;

	PSL_END
}

STDMETHODIMP CPSLOSVersion::get_SPMinor(long * pValue)
{
	PSL_BEGIN

	*pValue = m_Version.wServicePackMinor;

	PSL_END
}

STDMETHODIMP CPSLOSVersion::get_SPName(BSTR * pValue)
{
	PSL_BEGIN

	*pValue = ::SysAllocString(m_Version.szCSDVersion);

	PSL_END
}