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69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/**
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* @file stack.h
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* @author wenjf (Orig5826@163.com)
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* @brief
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* @version 0.1
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* @date 2024-06-23
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*
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* @copyright Copyright (c) 2024
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*
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*/
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#ifndef _STACK_H_
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#define _STACK_H_
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#include "common.h"
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struct _stack_node
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{
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void * obj;
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struct _stack_node * next;
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};
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struct _stack
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{
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// -------------------- private --------------------
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/**
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* @brief head pointer of stack
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* 1. linklist: head->next is valid, head->obj is NULL
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* 2. array: head->obj is valid, head->next is NULL,
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*/
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struct _stack_node * _head;
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uint32_t _size;
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uint32_t _obj_size;
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uint32_t _capacity;
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uint32_t _ratio;
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struct _iterator _iter;
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void (*_destory)(struct _stack* self);
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// -------------------- public --------------------
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// kernel
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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 (*clear)(struct _stack* self);
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// iter
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iterator_t (*iter)(struct _stack* self);
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// -------------------- debug --------------------
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void (*print)(struct _stack* self);
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void (*print_obj)(void* obj);
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};
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typedef struct _stack* stack_t;
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// create and free stack
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stack_t stack_new(uint32_t obj_size);
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stack_t stack_new2(uint32_t obj_size, uint32_t capacity);
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void stack_free(stack_t* stack);
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#endif // _STACK_H_
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