void merge_sort_list(ListNode *&head) {
ListNode *sp = head, *fp = head->next;
if (fp == NULL) return ;
while(sp->next != NULL && fp->next != NULL && fp->next->next != NULL) {
sp = sp->next;
fp = fp->next->next;
}
fp = sp->next;
sp->next = NULL;
merge_sort_list(head);
merge_sort_list(fp);
ListNode newhead(0);
sp = &newhead;
while(head != NULL && fp != NULL) {
if (head != NULL && fp != NULL) {
if (head->val < fp->val) {
sp->next = head;
head = head->next;
} else {
sp->next = fp;
fp = fp->next;
}
sp = sp->next;
continue;
}
}
if (head == NULL) {
sp->next = fp;
} else {
sp->next = head;
}
head = newhead.next;
}
ListNode* reverseKGroup(ListNode* head, int k) {
ListNode newhead(0), *p = &newhead;
newhead.next = head;
while (p) {
ListNode *kth = p, *newp = p->next;
for (int i = 0; i < k; ++i)
if (kth) kth = kth->next;
if (!kth) break;
ListNode *p1 = p->next, *p2 = p1->next;
p1->next = kth->next;
for (int i = 1; i < k; ++i) {
ListNode *tp = p2->next;
p2->next = p1;
p1 = p2;
p2 = tp;
}
p->next = kth;
p = newp;
}
return newhead.next;
}
RandomListNode *copyRandomList(RandomListNode *head) {
if (head == NULL) return NULL;
RandomListNode *p, *tmp, newhead(0), *tail;
for (p = head; p!=NULL;){
tmp = p->next;
p->next = new RandomListNode(p->label);
p->next->next = tmp;
p = tmp;
}
for (p = head; p!=NULL; p = p->next->next){
if (p->random){
p->next->random = p->random->next;
}
}
tail = &newhead;
for (p = head; p!=NULL; ){
tmp = p->next->next;
tail = tail->next = p->next;
p->next = tmp;
p = tmp;
}
tail->next = NULL;
return newhead.next;
}
void
Init ()
{
pwr_tUInt32 sts;
pwr_tInt32 ret;
char msg[80];
pwr_tObjid MHObjId;
pwr_sAttrRef AttrRef;
pwr_tDlid DLId;
pwr_sClass_MessageHandler *MH;
char fname[200];
dcli_translate_filename( fname, DATABASE);
dcli_translate_filename( info_fname, DATABASE_INFO);
sts = gdh_GetNodeIndex(&lHelCB.Nid);
If_Error_Log_Exit(sts, "gdh_GetNodeIndex");
sts = gdh_GetClassList(pwr_cClass_MessageHandler, &MHObjId);
If_Error_Log_Exit(sts, "Couldn't find message handler object");
AttrRef.Objid = MHObjId;
AttrRef.Body = 0;
AttrRef.Offset = 0;
AttrRef.Size = sizeof(pwr_sClass_MessageHandler);
AttrRef.Flags.m = 0;
sts = gdh_DLRefObjectInfoAttrref(&AttrRef, (pwr_tAddress *)&MH, &DLId);
If_Error_Log_Exit(sts,"Couldn't get direct link to message handler object");
if (MH->EventLogSize == 0) {
Log("EventLogSize = 0, no event logger will run on this node.");
errh_SetStatus( pwr_cNStatus);
exit(1);
}
lHelCB.MaxCardinality = MH->EventLogSize;
lHelCB.MaxStoreLSize = 1000; /*not used*/
lHelCB.ScanTime = 2000; /* 5 seconds */
/*create the database if it's not already created*/
if((ret = db_create(&dataBaseP, NULL, 0)) != 0)
{
/*error creating db-handle send the mess to errh, then exit*/
sprintf(msg, "db_create: %s, no eventlogger will run", db_strerror(ret));
errh_Error(msg);
exit(1);
}
/*open the database*/
#if (DB_VERSION_MAJOR > 3) && (DB_VERSION_MINOR > 0)
ret = dataBaseP->open(dataBaseP, NULL, fname, NULL, DATABASETYPE, DB_CREATE, 0664);
#else
ret = dataBaseP->open(dataBaseP, fname, NULL, DATABASETYPE, DB_CREATE, 0664);
#endif
if(ret != 0)
{
/*error opening/creating db send the mess to errh, then exit*/
sprintf(msg, "db_open: %s, no eventlogger will run", db_strerror(ret));
Log(msg);
exit(1);
}
newhead(&listhead);
}
