1 files changed, 11 insertions, 5 deletions
diff --git a/src/sptree.c b/src/sptree.c
index 08d5203..378f216 100644
--- a/src/sptree.c
+++ b/src/sptree.c
@@ -70,6 +70,8 @@ pvoid ctl_sptree_initX(ppvoid sp, uint k_size, uint v_size, ctl_spt_cmp f){
     head->val_size = v_size;
     head->root = NULL;
     head->func = f;
+    if(*sp != NULL)
+        *sp = pVoid(head);
     return pVoid(head);
 }
 pvoid ctl_sptree_freeX(ppvoid sp){
@@ -100,8 +102,9 @@ uint ctl_sptree_getValSizeX(ppcvoid sp){
 pvoid ctl_sptree_findX(ppvoid sp, pcvoid key){
     SplayTree* head = getHeader(*sp);
 	int t = 1;
-	if(head->root != NULL)
+	if(head->root != NULL){
 		head->root = acces(head->func, head->root, key, &t);
+    }
 	if(t == 0)
 		return head->root->val;
 	else
@@ -165,8 +168,8 @@ void ctl_sptree_splitX(ppvoid sp , pcvoid key, ppvoid l, ppvoid r){
     SplayTreeNode* righ;
 	if(head->root != NULL){
 		split(head->func, head->root, key, &left, &righ);
-		getHeader(*r)->root = left;
-		getHeader(*l)->root = righ;
+		getHeader(*l)->root = left;
+		getHeader(*r)->root = righ;
 		head->root = NULL;
 	}
     ctl_sptree_freeX(sp);
@@ -230,11 +233,12 @@ ctl_priv SplayTreeNode* split(ctl_spt_cmp f, SplayTreeNode* nd, pcvoid k,
 	if(ret >= 0){
         *l = nd;
         *r = nd->rchd;
+        disconnR(nd);
     }else{
         *l = nd->lchd;
         *r = nd;
+        disconnL(nd);
     }
-	disconnL(nd);
 	return (ret == 0 ? *l : NULL);
 }
 ctl_priv SplayTreeNode* merge(SplayTreeNode* l, SplayTreeNode* r){
@@ -308,9 +312,10 @@ ctl_priv void splay_r(SplayTreeNode* m, SplayTreeNode* f, SplayTreeNode* g){
 
 /********************* # for debug ************************/
 #include <stdio.h>
+#include <unistd.h>
 ctl_priv void dump_node(SplayTreeNode* now){
     if(now == NULL) return ;
-    printf("now = (%5.1f, %2d)    ", *(double*)now->key, *(int*)now->val);
+    printf("now = (%5.1f, %2d) %lld ", *(double*)now->key, *(int*)now->val, now);
     if(now->lchd == NULL) printf("lchd = (     NULL) ");
     else                  printf("lchd = (%5.1f, %2d) ", *(double*)now->lchd->key, *(int*)now->lchd->val);
     if(now->rchd == NULL) printf("rchd = (     NULL) ");
@@ -320,4 +325,5 @@ ctl_priv void dump_node(SplayTreeNode* now){
     printf("\n");
     dump_node(now->lchd);
     dump_node(now->rchd);
+    fflush(stdout);
 }