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建峰 2024-06-27 21:27:32 +08:00
parent 3a05a02979
commit 0901b08417
1 changed files with 5 additions and 0 deletions
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5
src/tree.c
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@ -1299,16 +1299,21 @@ bool tree_rb_delete(struct _tree* self, void* obj)
}
else if(node->left != NULL && node->right == NULL)
{
// node->left must be red
tmp = node->left;
memmove(node->obj,tmp->obj, self->_obj_size);
}
else if(node->left == NULL && node->right != NULL)
{
// node->right must be red
tmp = node->right;
memmove(node->obj,tmp->obj, self->_obj_size);
}
else
{
// 1. find the min node in right subtree
// 2. replace the node with min node
// 3. delete the min node
tmp = self->find_min(self, node->right);
memmove(node->obj, tmp->obj, self->_obj_size);
if(tmp->right != NULL)