First Commit

2026-06-10 16:58:35 +02:00
commit 1e5eeb704f
42 changed files with 4037 additions and 0 deletions
@@ -0,0 +1,82 @@
+#include "array_list.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+ArrayList *array_list_create(void (*item_destroyer)(void *item)) {
+  ArrayList *list = (ArrayList *)malloc(sizeof(ArrayList));
+  if (list == NULL) {
+    perror("FATAL ERROR: Could not allocate memory for array list struct");
+    exit(EXIT_FAILURE);
+  }
+
+  list->items = malloc(INITIAL_ARRAY_SIZE * sizeof(void *));
+  if (list->items == NULL) {
+    perror("FATAL ERROR: Could not allocate memory for list items");
+    free(list);
+    exit(EXIT_FAILURE);
+  }
+  list->size = 0;
+  list->capacity = INITIAL_ARRAY_SIZE;
+  list->item_destroyer = item_destroyer;
+  return list;
+}
+
+void array_list_delete(ArrayList *array_list) {
+  if (array_list == NULL)
+    return;
+  if (array_list->item_destroyer != NULL) {
+    for (int i = 0; i < array_list->size; i++) {
+      array_list->item_destroyer(array_list->items[i]);
+      array_list->items[i] = NULL;
+    }
+  }
+  free(array_list->items);
+  free(array_list);
+}
+
+void array_list_clear(ArrayList *array_list) {
+  if (array_list == NULL)
+    return;
+  for (int i = 0; i < array_list->size; i++)
+    array_list->items[i] = NULL;
+  array_list->size = 0;
+}
+
+void array_list_extend(ArrayList *array_list) {
+  if (array_list == NULL)
+    return;
+  int new_capacity = array_list->capacity * 2;
+  if (new_capacity == 0)
+    new_capacity = INITIAL_ARRAY_SIZE;
+  array_list->items = realloc(array_list->items, new_capacity * sizeof(void *));
+  if (array_list->items == NULL) {
+    perror("FATAL ERROR: Could not reallocate memory for array list struct");
+    exit(EXIT_FAILURE);
+  }
+  array_list->capacity = new_capacity;
+}
+
+void array_list_add(ArrayList *array_list, void *item) {
+  if (array_list == NULL) {
+    return;
+  }
+  if (array_list->capacity == array_list->size) {
+    array_list_extend(array_list);
+  }
+  array_list->items[array_list->size] = item;
+  array_list->size += 1;
+}
+
+void **array_list_to_array(ArrayList *array_list) {
+  if (array_list == NULL) {
+    return NULL;
+  }
+  void **array = malloc(array_list->size * sizeof(void *));
+  if (array == NULL) {
+    perror("Could not malloc space for array from array list!");
+    return NULL;
+  }
+  memcpy(array, array_list->items, array_list->size * sizeof(void *));
+  return array;
+}