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https://github.com/theoludwig/libcproject.git
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62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
#include "array_list.h"
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struct array_list* array_list_initialization() {
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return array_list_initialization_with_capacity(ARRAY_LIST_INITIAL_CAPACITY);
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}
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struct array_list* array_list_initialization_with_capacity(size_t capacity) {
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struct array_list* list = malloc(sizeof(struct array_list));
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if (list == NULL) {
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perror("Error (array_list_initialization)");
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exit(EXIT_FAILURE);
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}
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list->size = 0;
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list->capacity = capacity;
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list->capacity_step = capacity;
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list->data = malloc(sizeof(void*) * list->capacity);
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if (list->data == NULL) {
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perror("Error (array_list_initialization)");
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exit(EXIT_FAILURE);
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}
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return list;
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}
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void array_list_add(struct array_list* list, void* element) {
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if (list->size >= list->capacity) {
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size_t previous_capacity = list->capacity;
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list->capacity += list->capacity_step;
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list->data = realloc(list->data, sizeof(void*) * list->capacity);
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if (list->data == NULL) {
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perror("Error (array_list_add)");
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exit(EXIT_FAILURE);
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}
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for (size_t index = previous_capacity; index < list->capacity; index++) {
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list->data[index] = NULL;
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}
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}
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list->data[list->size] = element;
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list->size++;
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}
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void array_list_remove(struct array_list* list, size_t index) {
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if (index >= list->size) {
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return;
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}
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for (size_t i = index; i < list->size - 1; i++) {
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list->data[i] = list->data[i + 1];
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}
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list->size--;
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}
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void* array_list_get(struct array_list* list, size_t index) {
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if (index >= list->size) {
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return NULL;
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}
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return list->data[index];
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}
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void array_list_free(struct array_list* list) {
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free(list->data);
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free(list);
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}
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