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103
README.md
103
README.md
@ -1,13 +1,19 @@
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# unicstl
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## 简介
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全称: Universal C standard library
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基于C语言实现的通用C库,包含常用数据结构和算法。
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基于C语言实现的通用C库。包含常用数据结构和算法
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**全称:** Universal C standard library
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> 标准:--std=c99
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**作者:** 温建峰
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[数据结构详细说明](https://blog.wenjianfeng.top)
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**主页:** [博客](https://blog.wenjianfeng.top)
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**邮箱:**[orig5826@163.com](mailto:orig5826@163.com)
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## 编译环境
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- 编译器:gcc 13.2.0
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- 标准:--std=c99
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## 数据结构
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|数据结构 | 原理 |说明 |
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@ -27,12 +33,81 @@
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| tree_rb_new | 二叉搜索树 | 红黑树 |
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| **heap** | |**堆** |
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| heap_new2 | 数组 | 最大堆/最小堆 |
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| **graph** | |**图** |
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| graph_new | 链表 | |
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## 接口函数原型
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```c
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// -------------------- 初始化 --------------------
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struct* new(...); // 创建
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void free(struct**); // 释放
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// 内部接口
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// init 初始化 <构造函数>
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// destory 销毁 <析构函数>
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// 外部实现
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int compare(void* obj1, void* obj2);// 比较函数,new后立刻配置(树、图必须)
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// -------------------- 核心功能 --------------------
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// 核心操作
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bool push(const void* obj); // [栈、队列] 入栈/入队
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bool push_front(const void* obj); // [双端队列] 头部入队
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bool push_back(const void* obj); // [双端队列] 尾部入队
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bool pop(void* obj); // [栈、队列] 出栈/出队
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bool pop_front(void* obj); // [双端队列] 头部出队
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bool pop_back(void* obj); // [双端队列] 尾部出队
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bool peek(void* obj); // [栈] 查看栈顶元素
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bool front(void* obj); // [队列、双端队列] 查看头部元素
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bool back(void* obj); // [队列、双端队列] 查看尾部元素
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// bool insert(const void* obj); // [树] 插入元素 <insert用于和位置相关操作>
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// bool delete(const void* obj); // [树] 删除元素
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// bool add_(const void* obj); // [图:顶点、边] 添加元素 <add不考虑位置关系>
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// bool del_(const void* obj); // [图:顶点、边] 删除元素
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// bool find_(const void* obj); // [图:顶点、边] 查找元素
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// 基础操作
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uint32_t size(); // 获取大小
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bool empty(); // 判断是否为空
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bool full(); // 判断是否为满
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void clear(); // 清空
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uint32_t capacity(); // [动态数组] 获取容量
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// 迭代器操作
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iterator_t iter(...); // 返回迭代器
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bool iter_hasnext(); // 是否有下一个元素
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void* iter_next(); // 迭代器下一个元素
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// -------------------- 扩展功能 --------------------
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// 元素相关操作
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bool append(const void* obj); // 追加元素 <push_back> 一般用于list
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bool delete(const void* obj); // 删除元素
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// bool remove(const void *obj); // 删除元素 <同delete>
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bool find(const void* obj); // 查找元素 <返回值,bool/uint32_t/void*待定?>
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bool contains(const void* obj); // 判断元素是否存在 <返回bool>
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uint32_t count(const void* obj); // 统计元素个数
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// 索引相关操作
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uint32_t index(void *obj); // 获取元素索引
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bool insert(uint32_t index, const void* obj); // 插入元素 <非树>
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bool erase(uint32_t index); // 删除元素
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bool set(uint32_t index, const void* obj); // 设置元素
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bool get(uint32_t index, void* obj); // 获取元素
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```
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## 特点
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| 原理 | 说明 |
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| --- | --- |
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| 链表 | 有额外指针开销 |
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| 动态数组 | 扩容时数据搬移代价较大 |
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| 原理 | 优势 | 弊端 |
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| --- | --- |--- |
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| 链表 | 插入删除效率高 | 有额外指针开销 |
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| 动态数组 | 随机访问效率高 | 扩容时数据搬移代价较大 |
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| --- | --- | --- |
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| 单链表 | 适用内存受限场景 | 逆向不便 |
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| 双向链表 | 频繁双向遍历的场景(如光标移动) | 空间开销大 |
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## 性能比较
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@ -91,6 +166,18 @@ unicstl_stack_v1.2.5_20240717-a0.zip
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## 修改日志
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### Unicstl 0.0.02 (2025-04-24)
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- new features
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- graph add function: add/del/find vertex/edge
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- graph add function: bfs/dfs
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- tree remove old iterator and add new iterator
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- deque add order select
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- bugfixed:
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- none
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- others:
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- none
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### Unicstl 0.0.01 (2025-04-24)
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- new features
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- add stack
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@ -13,6 +13,12 @@
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#include "common.h"
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enum _deque_order
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{
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DEQUE_FORWARD,
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DEQUE_REVERSE,
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};
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struct _deque_node
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{
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void* obj;
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@ -50,7 +56,7 @@ struct _deque
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bool (*clear)(struct _deque* self);
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// iter
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iterator_t (*iter)(struct _deque* self);
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iterator_t (*iter)(struct _deque* self, enum _deque_order order);
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// ohters
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bool (*insert)(struct _deque* self, int index, void* obj);
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@ -78,12 +78,11 @@ struct _graph
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bool (*del_edge)(struct _graph* self, void* from, void* to);
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bool (*find_edge)(struct _graph* self, void* from, void* to);
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bool (*empty)(struct _graph* self);
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bool (*full)(struct _graph* self);
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// base
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uint32_t(*size)(struct _graph* self);
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uint32_t(*capacity)(struct _graph* self);
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bool (*empty)(struct _graph* self);
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bool (*full)(struct _graph* self);
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bool (*clear)(struct _graph* self);
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// iter
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@ -36,12 +36,12 @@ struct _heap
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// -------------------- public --------------------
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// kernel
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bool (*peek)(struct _heap* self, void* obj);
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bool (*push)(struct _heap* self, void* obj);
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bool (*pop)(struct _heap* self, void* obj);
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bool (*empty)(struct _heap* self);
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bool (*peek)(struct _heap* self, void* obj);
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// base
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bool (*empty)(struct _heap* self);
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uint32_t(*size)(struct _heap* self);
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bool (*clear)(struct _heap* self);
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@ -20,6 +20,8 @@ struct _iterator
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void* _cur_node;
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uint32_t _cur;
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uint32_t _order;
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// ---------- public ----------
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bool (*hasnext)(struct _iterator* self);
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const void* (*next)(struct _iterator* self);
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// base
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uint32_t (*size)(struct _list *self);
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uint32_t (*capacity)(struct _list *self);
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bool (*empty)(struct _list *self);
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bool (*clear)(struct _list *self);
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bool (*push)(struct _stack* self, void* obj);
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bool (*pop)(struct _stack* self, void* obj);
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bool (*peek)(struct _stack* self, void* obj);
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bool (*empty)(struct _stack* self);
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// base
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uint32_t (*size)(struct _stack* self);
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uint32_t (*capacity)(struct _stack* self);
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bool (*empty)(struct _stack* self);
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bool (*clear)(struct _stack* self);
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// iter
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src/deque.c
29
src/deque.c
@ -295,14 +295,22 @@ static void deque_print(struct _deque* self)
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}
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}
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iterator_t deque_iter(struct _deque* self)
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iterator_t deque_iter(struct _deque* self, enum _deque_order order)
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{
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assert(self != NULL);
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iterator_t iter = &self->_iter;
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iter->_parent = self;
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iter->_cur = 0;
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iter->_order = order;
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if(iter->_order == DEQUE_FORWARD)
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{
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iter->_cur_node = self->_head;
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}
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else
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{
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iter->_cur_node = self->_tail;
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}
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return iter;
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}
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@ -327,13 +335,22 @@ const void* deque_iter_next(struct _iterator* iter)
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deque_t self = (deque_t)iter->_parent;
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void *obj = NULL;
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// base on linklist
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struct _deque_node * node = (struct _deque_node *)iter->_cur_node;
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if(node != NULL)
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struct _deque_node * cur_node = (struct _deque_node *)iter->_cur_node;
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if(cur_node == NULL)
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{
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obj = node->obj;
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iter->_cur_node = node->next;
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return NULL;
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}
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obj = cur_node->obj;
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if(iter->_order == DEQUE_FORWARD)
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{
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iter->_cur_node = cur_node->next;
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}
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else
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{
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iter->_cur_node = cur_node->prev;
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}
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self->_iter._cur += 1;
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return obj;
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}
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static void test_deque_iter(void)
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{
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uint32_t i = 0;
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int data[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
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int data[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
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int temp = 0;
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uint32_t len = sizeof(data) / sizeof(data[0]);
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@ -288,26 +288,33 @@ static void test_deque_iter(void)
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TEST_ASSERT_EQUAL_INT(i + 1, deque->size(deque));
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}
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iterator_t iter = deque->iter(deque);
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iterator_t iter = deque->iter(deque, DEQUE_FORWARD);
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i = 0;
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while(iter->hasnext(iter))
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{
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temp = *(int *)iter->next(iter);
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// printf("%d ", temp);
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TEST_ASSERT_EQUAL_INT(data[i], temp);
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i++;
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}
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iter = deque->iter(deque);
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iter = deque->iter(deque, DEQUE_FORWARD);
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i = 0;
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while(iter->hasnext(iter))
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{
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temp = *(int *)iter->next(iter);
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// printf("%d ", temp);
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TEST_ASSERT_EQUAL_INT(data[i], temp);
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i++;
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}
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iter = deque->iter(deque, DEQUE_REVERSE);
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i = len - 1;
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while(iter->hasnext(iter))
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{
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temp = *(int *)iter->next(iter);
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TEST_ASSERT_EQUAL_INT(data[i], temp);
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i--;
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}
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deque_free(&deque);
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TEST_ASSERT_NULL(deque);
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}
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@ -149,7 +149,7 @@ void test_graph_iter(void)
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TEST_ASSERT_TRUE(graph->add_edge(graph, &data[7], &data[6], 87));
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TEST_ASSERT_TRUE(graph->add_edge(graph, &data[8], &data[2], 92));
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TEST_ASSERT_FALSE(graph->add_edge(graph, &temp, &data[1], 0));
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graph->print(graph);
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// graph->print(graph);
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iterator_t iter_vertex = NULL;
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@ -158,18 +158,18 @@ void test_graph_iter(void)
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while(iter_vertex->hasnext(iter_vertex))
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{
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temp = *(int *)iter_vertex->next(iter_vertex);
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graph->print_obj(&temp);
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//graph->print_obj(&temp);
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}
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printf("\n");
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//printf("\n");
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iter_vertex = graph->iter(graph, GRAPH_DFS, &data[0]);
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TEST_ASSERT_NOT_NULL(iter_vertex);
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while(iter_vertex->hasnext(iter_vertex))
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{
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temp = *(int *)iter_vertex->next(iter_vertex);
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graph->print_obj(&temp);
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//graph->print_obj(&temp);
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}
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printf("\n");
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//printf("\n");
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graph_free(&graph);
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TEST_ASSERT_NULL(graph);
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