Alignment wastes no memory now

build_and_run.sh

@@ -1,4 +1,5 @@
 #!/bin/sh
+rm -rf build
 cmake .
 make
 ./build/test.out

src/array.c

@@ -3,13 +3,17 @@
 #include <stdlib.h>
 
 union arraylist_meta {
-        max_align_t dummy_align;
+	double dummy_double;
+	long double dummy_long_double;
+	long long dummy_long_long;
+        void *dummy_ptr;
+        void (*dummy_func_ptr)(void);
         struct {
-            size_t len;
+        	size_t len;
-            size_t cap;
+        	size_t cap;
-            size_t sizeof_one_element;
+		size_t sizeof_one_element;
         };
-    };
+};
 
 void* arraylist_create(size_t array_size, size_t sizeof_one_element) {
 	union arraylist_meta *arraylist_new = malloc(array_size * sizeof_one_element + sizeof*arraylist_new);

src/main.c

@@ -1,10 +1,11 @@
 #include <stdio.h>
 #include "array.h"
+#include <stddef.h>
 
 int main() {
 	int *int_array = arraylist_create(2, sizeof (int));
 	int_array[0] = 28;
 	int_array[1] = 20;
-	for(int i = 0; i < 100; ++i) int_array = arraylist_append(int_array, &i);
+	for(int i = 0; i < 10; ++i) arraylist_append(int_array, &i);
-	for(int i = 0; i < 102; ++i) printf("Index: %d Value: %d\n", i, int_array[i]);
+	for(int i = 0; i < 12; ++i) printf("Index: %d Value: %d\n", i, int_array[i]);
 }