#include <stdlib.h>
#include <stdio.h>

#define MAX_SIZE    (1*1024*1024)
#define MIN_SIZE    8

int main(int argc, const char *argv[]) {
    printf("Testing malloc and free...\n");
    for (size_t buf_size = MIN_SIZE; buf_size <= MAX_SIZE; buf_size *= 4) {
        printf("buf_size = %lu\n", buf_size);
        void *buf = malloc(buf_size);
        if (buf == NULL) {
            printf("ERROR: failed to malloc for a buffer of %lu size\n", buf_size);
            return -1;
        }
        free(buf);
    }
    printf("Done.\n");
    return 0;
}