判断操作系统版本

判断操作系统版本

今天用到这个了

http://msdn2.microsoft.com/en-us/library/ms724429.aspx

#include  < windows.h >
#include  < tchar.h >
#include  < stdio.h >

#define  BUFSIZE 80

typedef  void  (WINAPI  * PGNSI)(LPSYSTEM_INFO);

int  __cdecl _tmain()
{
   OSVERSIONINFOEX osvi;
   SYSTEM_INFO si;
   PGNSI pGNSI;
   BOOL bOsVersionInfoEx;

   ZeroMemory( & si,  sizeof (SYSTEM_INFO));
   ZeroMemory( & osvi,  sizeof (OSVERSIONINFOEX));

    //  Try calling GetVersionEx using the OSVERSIONINFOEX structure.
    //  If that fails, try using the OSVERSIONINFO structure.

   osvi.dwOSVersionInfoSize  =   sizeof (OSVERSIONINFOEX);

    if (  ! (bOsVersionInfoEx  =  GetVersionEx ((OSVERSIONINFO  * )  & osvi)) )
   {
      osvi.dwOSVersionInfoSize  =   sizeof  (OSVERSIONINFO);
       if  ( !  GetVersionEx ( (OSVERSIONINFO  * )  & osvi) ) 
          return  FALSE;
   }

    //  Call GetNativeSystemInfo if supported
    //  or GetSystemInfo otherwise.

   pGNSI  =  (PGNSI) GetProcAddress(
      GetModuleHandle(TEXT( " kernel32.dll " )), 
       " GetNativeSystemInfo " );
    if (NULL  !=  pGNSI)
      pGNSI( & si);
    else  GetSystemInfo( & si);

    switch  (osvi.dwPlatformId)
   {
       //  Test for the Windows NT product family.

       case  VER_PLATFORM_WIN32_NT:

       //  Test for the specific product.

       if  ( osvi.dwMajorVersion  ==   6   &&  osvi.dwMinorVersion  ==   0  )
      {
          if ( osvi.wProductType  ==  VER_NT_WORKSTATION )
             printf ( " Windows Vista  " );
          else  printf ( " Windows Server \ " Longhorn\ "   "  );
      }

       if  ( osvi.dwMajorVersion  ==   5   &&  osvi.dwMinorVersion  ==   2  )
      {
          if ( GetSystemMetrics(SM_SERVERR2) )
            printf(  " Microsoft Windows Server 2003 \ " R2\ "   " );
          else   if ( osvi.wProductType  ==  VER_NT_WORKSTATION  &&
            si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
         {
            printf(  " Microsoft Windows XP Professional x64 Edition  " );
         }
          else  printf ( " Microsoft Windows Server 2003,  " );
      }

       if  ( osvi.dwMajorVersion  ==   5   &&  osvi.dwMinorVersion  ==   1  )
         printf ( " Microsoft Windows XP  " );

       if  ( osvi.dwMajorVersion  ==   5   &&  osvi.dwMinorVersion  ==   0  )
         printf ( " Microsoft Windows 2000  " );

       if  ( osvi.dwMajorVersion  <=   4  )
         printf ( " Microsoft Windows NT  " );

       //  Test for specific product on Windows NT 4.0 SP6 and later.
       if ( bOsVersionInfoEx )
      {
          //  Test for the workstation type.
          if  ( osvi.wProductType  ==  VER_NT_WORKSTATION  &&
              si.wProcessorArchitecture != PROCESSOR_ARCHITECTURE_AMD64)
         {
             if ( osvi.dwMajorVersion  ==   4  )
               printf (  " Workstation 4.0  "  );
             else   if ( osvi.wSuiteMask  &  VER_SUITE_PERSONAL )
               printf (  " Home Edition  "  );
             else  printf (  " Professional  "  );
         }
            
          //  Test for the server type.
          else   if  ( osvi.wProductType  ==  VER_NT_SERVER  ||  
                   osvi.wProductType  ==  VER_NT_DOMAIN_CONTROLLER )
         {
             if (osvi.dwMajorVersion == 5   &&  osvi.dwMinorVersion == 2 )
            {
                if  ( si.wProcessorArchitecture  ==
                    PROCESSOR_ARCHITECTURE_IA64 )
               {
                    if ( osvi.wSuiteMask  &  VER_SUITE_DATACENTER )
                      printf (  " Datacenter Edition  "
                                " for Itanium-based Systems "  );
                    else   if ( osvi.wSuiteMask  &  VER_SUITE_ENTERPRISE )
                      printf (  " Enterprise Edition  "
                                " for Itanium-based Systems "  );
               }

                else   if  ( si.wProcessorArchitecture  ==
                         PROCESSOR_ARCHITECTURE_AMD64 )
               {
                    if ( osvi.wSuiteMask  &  VER_SUITE_DATACENTER )
                      printf (  " Datacenter x64 Edition  "  );
                    else   if ( osvi.wSuiteMask  &  VER_SUITE_ENTERPRISE )
                      printf (  " Enterprise x64 Edition  "  );
                    else  printf(  " Standard x64 Edition  "  );
               }

                else
               {
                    if ( osvi.wSuiteMask  &  VER_SUITE_DATACENTER )
                      printf (  " Datacenter Edition  "  );
                    else   if ( osvi.wSuiteMask  &  VER_SUITE_ENTERPRISE )
                      printf (  " Enterprise Edition  "  );
                    else   if  ( osvi.wSuiteMask  &  VER_SUITE_BLADE )
                      printf (  " Web Edition  "  );
                    else  printf (  " Standard Edition  "  );
               }
            }
             else   if (osvi.dwMajorVersion == 5   &&  osvi.dwMinorVersion == 0 )
            {
                if ( osvi.wSuiteMask  &  VER_SUITE_DATACENTER )
                  printf (  " Datacenter Server  "  );
                else   if ( osvi.wSuiteMask  &  VER_SUITE_ENTERPRISE )
                  printf (  " Advanced Server  "  );
                else  printf (  " Server  "  );
            }
             else    //  Windows NT 4.0 
            {
                if ( osvi.wSuiteMask  &  VER_SUITE_ENTERPRISE )
                  printf ( " Server 4.0, Enterprise Edition  "  );
                else  printf (  " Server 4.0  "  );
            }
         }
      }
       //  Test for specific product on Windows NT 4.0 SP5 and earlier
       else   
      {
         HKEY hKey;
         TCHAR szProductType[BUFSIZE];
         DWORD dwBufLen = BUFSIZE * sizeof (TCHAR);
         LONG lRet;

         lRet  =  RegOpenKeyEx( HKEY_LOCAL_MACHINE,
            TEXT( " SYSTEM\\CurrentControlSet\\Control\\ "
                  " ProductOptions " ),  0 , KEY_QUERY_VALUE,  & hKey );
          if ( lRet  !=  ERROR_SUCCESS )
             return  FALSE;

         lRet  =  RegQueryValueEx( hKey, TEXT( " ProductType " ),
            NULL, NULL, (LPBYTE) szProductType,  & dwBufLen);
         RegCloseKey( hKey );

          if ( (lRet  !=  ERROR_SUCCESS)  ||
             (dwBufLen  >  BUFSIZE * sizeof (TCHAR)) )
             return  FALSE;

          if  ( lstrcmpi( TEXT( " WINNT " ), szProductType)  ==   0  )
            printf(  " Workstation  "  );
          if  ( lstrcmpi( TEXT( " LANMANNT " ), szProductType)  ==   0  )
            printf(  " Server  "  );
          if  ( lstrcmpi( TEXT( " SERVERNT " ), szProductType)  ==   0  )
            printf(  " Advanced Server  "  );
         printf(  " %d.%d  " , osvi.dwMajorVersion, osvi.dwMinorVersion );
      }

       //  Display service pack (if any) and build number.

       if ( osvi.dwMajorVersion  ==   4   &&  
          lstrcmpi( osvi.szCSDVersion, TEXT( " Service Pack 6 " ) )  ==   0  )
      { 
         HKEY hKey;
         LONG lRet;

          //  Test for SP6 versus SP6a.
         lRet  =  RegOpenKeyEx( HKEY_LOCAL_MACHINE,
            TEXT( " SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\ "
                  " Hotfix\\Q246009 " ),  0 , KEY_QUERY_VALUE,  & hKey );
          if ( lRet  ==  ERROR_SUCCESS )
            printf(  " Service Pack 6a (Build %d)\n " , 
            osvi.dwBuildNumber  &   0xFFFF  );         
          else   //  Windows NT 4.0 prior to SP6a
         {
            _tprintf( TEXT( " %s (Build %d)\n " ),
               osvi.szCSDVersion,
               osvi.dwBuildNumber  &   0xFFFF );
         }

         RegCloseKey( hKey );
      }
       else   //  not Windows NT 4.0 
      {
         _tprintf( TEXT( " %s (Build %d)\n " ),
            osvi.szCSDVersion,
            osvi.dwBuildNumber  &   0xFFFF );
      }

       break ;

       //  Test for the Windows Me/98/95.
       case  VER_PLATFORM_WIN32_WINDOWS:

       if  (osvi.dwMajorVersion  ==   4   &&  osvi.dwMinorVersion  ==   0 )
      {
          printf ( " Microsoft Windows 95  " );
           if  (osvi.szCSDVersion[ 1 ] == ' C '   ||  osvi.szCSDVersion[ 1 ] == ' B ' )
             printf( " OSR2  "  );
      } 

       if  (osvi.dwMajorVersion  ==   4   &&  osvi.dwMinorVersion  ==   10 )
      {
          printf ( " Microsoft Windows 98  " );
           if  ( osvi.szCSDVersion[ 1 ] == ' A '   ||  osvi.szCSDVersion[ 1 ] == ' B ' )
             printf( " SE  "  );
      } 

       if  (osvi.dwMajorVersion  ==   4   &&  osvi.dwMinorVersion  ==   90 )
      {
          printf ( " Microsoft Windows Millennium Edition\n " );
      } 
       break ;

       case  VER_PLATFORM_WIN32s:

      printf ( " Microsoft Win32s\n " );
       break ;
   }
    return  TRUE; 
}