node.c

#include "node3.h"
#include <stdio.h>

/* Lists ram usage, the first value is the DATA size, so the
 * sum of all allocated memory (allocated by the user). The
 * second value in brackets is the total ram usage including
 * the allocated memory size of the struct itself. */
#define LOG(number)  \
	printf("[%d] Total used mem: %lub (%lub)\n", number, \
			node_alloc_total(group), node_mem_total(group))

int main(){
	__mem *group = node_group();

	// 1. Allocate string
	char *msg = (char *)node_strdup(&group, "Hello World!");
	printf("%s\n", msg);

	// Should be the size of the above string
	LOG(1);

	// 2. Realloc those bytes to be exactly 16 bytes
	msg = nrealloc(&group, msg, 16);

	// Should be exactly 16 bytes
	LOG(2);

	// Allocate another 4 bytes to the pool
	nalloc(&group, 4);

	// 3. Goes up to 20
	LOG(3);

	// 4. Free ALL memory
	nabsolve(&group);

	// And back to zero
	LOG(4);

	return 0;
}