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/*
* Copyright (c) 2010,
* Gavriloaie Eugen-Andrei (shiretu@gmail.com)
*
* This file is part of crtmpserver.
* crtmpserver is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* crtmpserver is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with crtmpserver. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _LINKEDLIST_H
#define _LINKEDLIST_H
#include <stdlib.h>
template<typename T>
struct LinkedListNode {
LinkedListNode<T> *pPrev;
LinkedListNode<T> *pNext;
T info;
};
template<typename T>
LinkedListNode<T> *AddLinkedList(LinkedListNode<T> *pTo, T info, bool after) {
LinkedListNode<T> *pResult = new LinkedListNode<T>;
pResult->pNext = NULL;
pResult->pPrev = NULL;
pResult->info = info;
if (pTo != NULL) {
if (after) {
pTo->pNext = pResult;
pResult->pPrev = pTo;
} else {
pResult->pNext = pTo;
pTo->pPrev = pResult;
}
}
return pResult;
}
template<typename T>
LinkedListNode<T> *LastLinkedList(LinkedListNode<T> *pNode) {
while (pNode != NULL) {
if (pNode->pNext == NULL)
return pNode;
pNode = pNode->pNext;
}
return NULL;
}
template<typename T>
LinkedListNode<T> *RemoveLinkedList(LinkedListNode<T> *pNode) {
LinkedListNode<T> *pPrev = pNode->pPrev;
LinkedListNode<T> *pNext = pNode->pNext;
if (pPrev != NULL)
pPrev->pNext = pNext;
if (pNext != NULL)
pNext->pPrev = pPrev;
delete pNode;
if (pPrev != NULL)
return LastLinkedList<T > (pPrev);
return LastLinkedList<T > (pNext);
}
#endif /* _LINKEDLIST_H */
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