title: Correct usage of GetComputerName - Do I need to reserve extra space for null character
body: <p>I was wondering, what is the correct usage of <a href="http://msdn.microsoft.com/en-us/library/ms724295%28v=vs.85%29.aspx" rel="nofollow">GetComputerName</a>. Should it be</p>
  
  <pre><code>TCHAR computerName[1024 + 1];
  DWORD size = 1024;
  GetComputerName(computerName, &amp;size);
  </code></pre>
  
  <p>or</p>
  
  <pre><code>TCHAR computerName[1024];
  DWORD size = 1024;
  GetComputerName(computerName, &amp;size);
  </code></pre>