Comments added, some code cleaning.

FossilOrigin-Name: a9db912fd24c4bb3c0559fceb013b18876def30edb85e8b61c8788dd5d64c191
This commit is contained in:
7u83@mail.ru 2015-03-29 17:57:00 +00:00
parent 802dcce25a
commit 88aa7793a2
1 changed files with 11 additions and 6 deletions

View File

@ -37,7 +37,7 @@ struct avltree * avltree_create(int (*cmp)(const void*,const void*),void(*del)(v
{
struct avltree * t = malloc(sizeof(struct avltree));
if (!t)
return 0;
return NULL;
t->root=0;
t->count=0;
t->cmp=cmp;
@ -49,7 +49,7 @@ struct avlnode * avlnode_create(void * data)
{
struct avlnode * n = malloc(sizeof(struct avlnode));
if(!n)
return 0;
return NULL;
n->left=n->right=0;
n->bal=0;
@ -226,7 +226,12 @@ static int avltree_add0(struct avltree *t, struct avlnode ** parent, void ** da
}
/**
* Add an element to an AVL tree
* @t avltree
* @data pointer to element
* @return added alement or NULL if error.
*/
void * avltree_add(struct avltree *t, void * data)
{
if (t->root==0){
@ -239,7 +244,7 @@ void * avltree_add(struct avltree *t, void * data)
int rc = avltree_add0(t,&t->root,&d);
if (rc>3)
return 0;
return NULL;
return d;
}
@ -267,7 +272,7 @@ static void rot_r(struct avlnode *n, struct avlnode **parent)
/*
* Delete the node withe the highest value
* Delete the node with the highest value
* returns the rebalancing factor
*/
@ -299,7 +304,7 @@ static int avltree_delete_hi(struct avlnode **parent, void **data)
}
*/
struct avltree * trrr;
//struct avltree * trrr;
static void rot_rl(struct avlnode *n, struct avlnode **parent)
{