Why there's still ONE element left after g_slist_free () ?

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To: gtk-list@xxxxxxxxx
Subject: Why there's still ONE element left after g_slist_free () ?
From: PenT <pentie@xxxxxxxxx>
Date: Wed, 13 May 2009 14:34:35 +0800

I created a GSList and then free it using g_slist_free (), then I call g_slist_length() and it return 1, surprising!

I thought after g_slist_free (), the GSList should be empty(NULL), why still 1 left?

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