diff src/tools.h @ 79:5bcb329a5157

Fix bug of core dump caused by forget to check if parent is NULL, root.
author Thinker K.F. Li <thinker@branda.to>
date Wed, 20 Aug 2008 23:47:18 +0800
parents 9ab15ebc9061
children c3c41f88e776
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