add a termination condition

Originally committed as revision 16422 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · d8bd113ef4
parent 853a97530e
commit d8bd113ef4
1 changed files with 2 additions and 0 deletions
--- a/libavutil/tree.c
+++ b/libavutil/tree.c
@ -128,9 +128,11 @@ void *av_tree_insert(AVTreeNode **tp, void *key, int (*cmp)(void *key, const voi
 }

 void av_tree_destroy(AVTreeNode *t){
+    if(t){
    av_tree_destroy(t->child[0]);
    av_tree_destroy(t->child[1]);
    av_free(t);
+    }
 }

 #if 0