X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Frbtree%2Frbtree.c;h=8a59b76ba6fe5a07ef277ab295d91959a3be4d7c;hp=f0a74edb6317ed0f6b02d880f81ce9f15e8b70c6;hb=HEAD;hpb=6156d1ab34b93c1e66473120df339fb23b08196a diff --git a/ccan/rbtree/rbtree.c b/ccan/rbtree/rbtree.c index f0a74edb..8a59b76b 100644 --- a/ccan/rbtree/rbtree.c +++ b/ccan/rbtree/rbtree.c @@ -48,9 +48,9 @@ static int tree_destructor(trbt_tree_t *tree) } /* traverse the tree and remove the node destructor then delete it. - we dont want to use the existing destructor for the node + we don't want to use the existing destructor for the node since that will remove the nodes one by one from the tree. - since the entire tree will be completely destroyed we dont care + since the entire tree will be completely destroyed we don't care if it is inconsistent or unbalanced while freeing the individual nodes */ @@ -448,7 +448,7 @@ delete_node(trbt_node_t *node) predecessor instead. The predecessor is guaranteed to have at most one child node since its right arm must be NULL - (It must be NULL since we are its sucessor and we are above + (It must be NULL since we are its successor and we are above it in the tree) */ if (node->left != NULL && node->right != NULL) { @@ -489,7 +489,7 @@ delete_node(trbt_node_t *node) Once the delete of the node is finished, we remove this dummy node, which is simple to do since it is guaranteed that it will still not have any children after the delete operation. - This is because we dont represent the leaf-nodes as actual nodes + This is because we don't represent the leaf-nodes as actual nodes in this implementation. */ if (!child) { @@ -528,7 +528,7 @@ delete_node(trbt_node_t *node) This is simple since this dummy node originally had no children and we are guaranteed that it will also not have any children after the node has been deleted and any possible rotations - have occured. + have occurred. The only special case is if this was the last node of the tree in which case we have to reset the root to NULL as well.