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63 lines
1.6 KiB
63 lines
1.6 KiB
/* |
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* Copyright (C) 2016 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef LIBMEMUNREACHABLE_LINKED_LIST_H_ |
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#define LIBMEMUNREACHABLE_LINKED_LIST_H_ |
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namespace android { |
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template <class T> |
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class LinkedList { |
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public: |
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LinkedList() : next_(this), prev_(this), data_() {} |
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explicit LinkedList(T data) : LinkedList() { data_ = data; } |
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~LinkedList() {} |
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void insert(LinkedList<T>& node) { |
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assert(node.empty()); |
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node.next_ = this->next_; |
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node.next_->prev_ = &node; |
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this->next_ = &node; |
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node.prev_ = this; |
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} |
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void remove() { |
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this->next_->prev_ = this->prev_; |
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this->prev_->next_ = this->next_; |
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this->next_ = this; |
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this->prev_ = this; |
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} |
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T data() { return data_; } |
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bool empty() { return next_ == this && prev_ == this; } |
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LinkedList<T>* next() { return next_; } |
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private: |
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LinkedList<T>* next_; |
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LinkedList<T>* prev_; |
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T data_; |
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}; |
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template <class T> |
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class LinkedListHead { |
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public: |
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LinkedListHead() : node_() {} |
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~LinkedListHead() {} |
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private: |
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LinkedList<T> node_; |
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}; |
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} // namespace android |
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#endif
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