61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
#include <stdlib.h>
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#include <stdbool.h>
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#include "list.h"
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IntList *int_list_new(int init_size) {
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IntList *list = (IntList *)malloc(sizeof(IntList));
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if (list == NULL) return NULL;
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list->_array = (int *)malloc(sizeof(int) * init_size);
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if (!list->_array)
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{
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free(list);
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return NULL;
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}
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list->size = 0;
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list->allocated_size = init_size;
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return list;
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}
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void int_list_destroy(IntList **list) {
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if (list == NULL || *list == NULL)
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return;
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{
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free((*list)->_array);
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free(*list);
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}
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*list = NULL;
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}
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bool int_list_add(IntList *list, int value)
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{
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if (list->size >= list->allocated_size)
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{
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int new_size = list->allocated_size * 2;
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int *new_arr = (int *)realloc(list->_array, sizeof(int) * new_size);
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if (new_arr == NULL)
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return false;
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list->_array = new_arr;
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list->allocated_size = new_size;
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}
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list->_array[list->size++] = value;
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return true;
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}
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bool int_list_remove(IntList *list, int index) {
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if (index < 0 || index >= list->size)
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return false;
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for (int i = index; i < list->size - 1; ++i)
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{
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list->_array[i] = list->_array[i + 1];
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}
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list->size--;
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return true;
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}
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int int_list_get(IntList *list, int index)
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{
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if (index < 0 || index >= list->size)
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return 0;
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return list->_array[index];
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} |