Create memory.h

Author: AzliRynz

memory.h

@@ -0,0 +1,21 @@
+#ifndef MEMORY_H
+#define MEMORY_H
+
+#include <stddef.h>
+
+#define GROW_CAPACITY(capacity) \
+    ((capacity) < 8 ? 8 : (capacity) * 2)
+
+#define GROW_ARRAY(type, pointer, oldCount, newCount) \
+    (type*)reallocate(pointer, sizeof(type) * (oldCount), \
+        sizeof(type) * (newCount))
+
+#define FREE_ARRAY(type, pointer, oldCount) \
+    reallocate(pointer, sizeof(type) * (oldCount), 0)
+
+#define ALLOCATE(type, count) \
+    (type*)reallocate(NULL, 0, sizeof(type) * (count))
+
+#define FREE(type, pointer) reallocate(pointer, sizeof(type), 0)
+
+#endif