NTSTATUS NTAPI RtlGetVersion ( RTL_OSVERSIONINFOW * Info )

Definition at line 105 of file version.c.

Referenced by _tmain(), GetSystemVersionString(), GetVersionExW(), RtlVerifyVersionInfo(), and VideoPortGetVersion().

{
   LONG i, MaxLength;

   if (Info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOW) ||
       Info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
   {
      PPEB Peb = NtCurrentPeb();

      Info->dwMajorVersion = Peb->OSMajorVersion;
      Info->dwMinorVersion = Peb->OSMinorVersion;
      Info->dwBuildNumber = Peb->OSBuildNumber;
      Info->dwPlatformId = Peb->OSPlatformId;
      RtlZeroMemory(Info->szCSDVersion, sizeof(Info->szCSDVersion));
      if(((Peb->OSCSDVersion >> 8) & 0xFF) != 0)
      {
        MaxLength = (sizeof(Info->szCSDVersion) / sizeof(Info->szCSDVersion[0])) - 1;
        i = _snwprintf(Info->szCSDVersion,
                       MaxLength,
                       L"Service Pack %d",
                       ((Peb->OSCSDVersion >> 8) & 0xFF));
        if (i < 0)
        {
           /* null-terminate if it was overflowed */
           Info->szCSDVersion[MaxLength] = L'\0';
        }
      }
      if (Info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
      {
         RTL_OSVERSIONINFOEXW *InfoEx = (RTL_OSVERSIONINFOEXW *)Info;
         InfoEx->wServicePackMajor = (Peb->OSCSDVersion >> 8) & 0xFF;
         InfoEx->wServicePackMinor = Peb->OSCSDVersion & 0xFF;
         InfoEx->wSuiteMask = SharedUserData->SuiteMask;
         InfoEx->wProductType = SharedUserData->NtProductType;
      }

      return STATUS_SUCCESS;
   }

   return STATUS_INVALID_PARAMETER;
}

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