Do we really need to unsetenv the TZ variable?<div>I had the impression that we need to set it forth and back,</div><div>to change it temporarily.</div><div><br></div><div>Also, is unsetenv(&quot;TZ&quot;) the same as putenv(&quot;TZ=&quot;) ?</div>

<div><br></div><div>Fabrice</div><div class="gmail_extra"><br><br><div class="gmail_quote">2012/11/30 Eli Zaretskii <span dir="ltr">&lt;<a href="mailto:eliz@gnu.org" target="_blank">eliz@gnu.org</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

&gt; Date: Thu, 29 Nov 2012 13:39:24 -0800<br>
&gt; From: Paul Eggert &lt;<a href="mailto:eggert@cs.ucla.edu">eggert@cs.ucla.edu</a>&gt;<br>
&gt; CC: <a href="mailto:fabrice.popineau@gmail.com">fabrice.popineau@gmail.com</a>, <a href="mailto:schwab@linux-m68k.org">schwab@linux-m68k.org</a>,<br>
&gt;  <a href="mailto:emacs-devel@gnu.org">emacs-devel@gnu.org</a><br>
<div class="im">&gt;<br>
&gt; On 11/28/12 19:44, Eli Zaretskii wrote:<br>
&gt; &gt; So would it be a problem to use &#39;setenv&#39; in that function?<br>
&gt;<br>
&gt; I think setenv could be used.  It&#39;d be a tiny bit tricky, though,<br>
&gt; as I expect unsetenv would also need to be used, in some<br>
&gt; cases.<br>
<br>
</div>Is &#39;unsetenv&#39;s less wide-spread than &#39;setenv&#39;?<br>
</blockquote></div><br></div>