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https://github.com/DarkFlippers/unleashed-firmware
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102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
#pragma once
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#include <stdlib.h>
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#include <inttypes.h>
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/**
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* @brief Single linked list node
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*/
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typedef struct ListNode {
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/**
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* @brief Pointer to the data assigned to the current list node
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*/
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void* data;
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/**
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* @brief Pointer to the next list node
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*/
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struct ListNode* next;
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} ListNode;
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/**
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* @brief Initializes a new list node head
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* @param data data to be assigned to the head list node
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* @return Head list node
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*/
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ListNode* list_init_head(void* data);
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/**
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* @brief Adds new list node to the end of the list
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* @param head head list node
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* @param data data to be assigned to the newly added list node
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* @return Head list node
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*/
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ListNode* list_add(
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ListNode* head,
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void* data); /* adds element with specified data to the end of the list and returns new head node. */
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/**
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* @brief Searches list node with the given assigned \p data in the list
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* @param head head list node
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* @param data data to be searched
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* @return List node containing \p data if there is such a node in the list; \c NULL otherwise
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*/
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ListNode* list_find(ListNode* head, const void* data);
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/**
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* @brief Searches list node with the given \p index in the list
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* @param head head list node
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* @param index desired list node index
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* @return List node with the given \p index in the list if there is such a list node; \c NULL otherwise
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*/
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ListNode* list_element_at(ListNode* head, uint16_t index);
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/**
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* @brief Removes list node from the list
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* @param head head list node
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* @param ep list node to be removed
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* @return Head list node
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*/
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ListNode* list_remove(ListNode* head, ListNode* ep);
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/**
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* @brief Removes list node with the given \p index in the list from the list
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* @param head head list node
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* @param index index of the node to be removed
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* @param[out] removed_node_data data which was assigned to the removed list node
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* @return Head list node
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*/
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ListNode* list_remove_at(ListNode* head, uint16_t index, void** removed_node_data);
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/**
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* @brief Inserts new list node at the given index
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* @param head head list node
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* @param index index in the list where the new list node should be inserted
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* @param data data to be assgned to the new list node
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* @return Head list node
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*/
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ListNode* list_insert_at(ListNode* head, uint16_t index, void* data);
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/**
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* @brief Disposes all the list nodes in the list
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* @param head head list node
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*/
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void list_free(ListNode* head);
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#define TOTP_LIST_INIT_OR_ADD(head, item, assert) \
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do { \
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if(head == NULL) { \
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head = list_init_head(item); \
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assert(head != NULL); \
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} else { \
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assert(list_add(head, item) != NULL); \
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} \
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} while(false)
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#define TOTP_LIST_FOREACH(head, node, action) \
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do { \
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ListNode* node = head; \
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while(node != NULL) { \
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action node = node->next; \
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} \
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} while(false)
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