feat(doubly linked list): added doubly linked list datastructure and implemented init and destroy functions

This commit is contained in:
Mineplay 2025-04-26 08:56:56 -05:00
parent 11b3b9e80d
commit 0c306da31c
4 changed files with 147 additions and 1 deletions

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@ -0,0 +1,45 @@
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* -----------------------------------------------------------------------------
* File: DoublyLinkedList.c
* Description:
* This file contains the functions for modifying the Doubly Linked List. It
* includes functions to append, Insert before, Insert after, Insert at index,
* Get, Remove element, Remove at index, Check if has element and Check if is empty.
*
* Author: Mineplay
* -----------------------------------------------------------------------------
*/
#ifndef FLEDASTY_DOUBLY_LINKED_LIST
#define FLEDASTY_DOUBLY_LINKED_LIST
#include <stddef.h>
#include <stdbool.h>
#include "../Utils/Error.h"
typedef struct FledastyDoublyLinkedListNode {
void *value;
struct FledastyDoublyLinkedListNode *previous, *next;
} FledastyDoublyLinkedListNode;
typedef struct {
size_t size, element_byte_size;
FledastyDoublyLinkedListNode *start, *end;
} FledastyDoublyLinkedList;
FledastyError fledasty_doubly_linked_list_initialize(FledastyDoublyLinkedList *new_linked_list, void *values, const size_t values_size, const size_t element_byte_size);
FledastyError fledasty_doubly_list_destroy(FledastyDoublyLinkedList *current_linked_list);
#endif

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@ -12,7 +12,7 @@
* limitations under the License.
*
* -----------------------------------------------------------------------------
* File: LinkedList.c
* File: LinkedList.h
* Description:
* This file contains the functions for modifying the Linked List. It includes
* functions to append, Insert before, Insert after, Insert at index,

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@ -0,0 +1,95 @@
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* -----------------------------------------------------------------------------
* File: DoublyLinkedList.c
* Description:
* This file contains the functions for modifying the Doubly Linked List. It
* includes functions to append, Insert before, Insert after, Insert at index,
* Get, Remove element, Remove at index, Check if has element and Check if is empty.
*
* Author: Mineplay
* -----------------------------------------------------------------------------
*/
#include "../../Include/Fledasty/Core/DoublyLinkedList.h"
#include <Hallocy/Core/Allocator.h>
#include <Hallocy/Core/Memory.h>
#include <Hallocy/Utils/Error.h>
FledastyError fledasty_doubly_linked_list_initialize(FledastyDoublyLinkedList *new_linked_list, void *values, const size_t values_size, const size_t element_byte_size) {
if (new_linked_list == NULL) {
return FLEDASTY_ERROR_FAILED_ALLOCATION;
}
new_linked_list->element_byte_size = element_byte_size;
if (values == NULL || values_size == 0) {
new_linked_list->size = 0;
new_linked_list->start = NULL;
new_linked_list->end = NULL;
} else {
new_linked_list->size = values_size;
new_linked_list->start = (FledastyDoublyLinkedListNode*)hallocy_malloc(sizeof(FledastyDoublyLinkedListNode));
new_linked_list->start->value = hallocy_malloc(new_linked_list->element_byte_size);
hallocy_copy_memory(new_linked_list->start->value, values, new_linked_list->element_byte_size);
new_linked_list->start->previous = NULL;
new_linked_list->start->next = NULL;
FledastyDoublyLinkedListNode *last_node = new_linked_list->start;
for (size_t index = new_linked_list->element_byte_size; index < new_linked_list->size * new_linked_list->element_byte_size; index += new_linked_list->element_byte_size) {
FledastyDoublyLinkedListNode *new_node = (FledastyDoublyLinkedListNode*)hallocy_malloc(sizeof(FledastyDoublyLinkedListNode));
new_node->value = hallocy_malloc(new_linked_list->element_byte_size);
hallocy_copy_memory(new_node->value, (unsigned char*)values + index, new_linked_list->element_byte_size);
new_node->previous = last_node;
new_node->next = NULL;
last_node->next = new_node;
last_node = new_node;
}
new_linked_list->end = last_node;
}
return FLEDASTY_ERROR_NONE;
}
FledastyError fledasty_doubly_list_destroy(FledastyDoublyLinkedList *current_linked_list) {
if (current_linked_list == NULL) {
return FLEDASTY_ERROR_INVALID_POINTER;
}
FledastyDoublyLinkedListNode *current_node = current_linked_list->start;
while (current_node->next != NULL) {
current_node = current_node->next;
HallocyError result = hallocy_free(current_node->previous->value);
if (result == HALLOCY_ERROR_NONE) {
return FLEDASTY_ERROR_FAILED_ALLOCATION;
}
result = hallocy_free(current_node->previous);
if (result == HALLOCY_ERROR_NONE) {
return FLEDASTY_ERROR_FAILED_ALLOCATION;
}
}
if (current_node != NULL) {
hallocy_free(current_node->value);
hallocy_free(current_node);
}
return FLEDASTY_ERROR_NONE;
}

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@ -24,6 +24,7 @@
#include <Fledasty/Core/Stack.h>
#include <Fledasty/Core/DynamicArray.h>
#include <Fledasty/Core/LinkedList.h>
#include <Fledasty/Core/DoublyLinkedList.h>
int main() {
FledastyQueue test_queue;
@ -137,6 +138,11 @@ int main() {
}
fledasty_linked_list_destroy(&test_linked_list);
FledastyDoublyLinkedList test_doubly_linked_list;
fledasty_doubly_linked_list_initialize(&test_doubly_linked_list, (int[]){11, 12, 13, 14, 15}, 5, sizeof(int));
fledasty_doubly_list_destroy(&test_doubly_linked_list);
printf("Done\n");
return 0;
}