malloc

gistfile1.txt

static void start_filling_up() {
    void* buffer;
    uint32_t allocated = 0;

    uint32_t size = 4096;

    while (true) {
        if (size == 64) break;

        buffer = malloc(size);
        if (buffer == NULL) {
            size = size / 2;
            continue;
        }
        printf("Allocated %d bytes\n", size);
        allocated += size;
        wait_ms(10);
    }
    printf("Allocated %d bytes before failed\n", allocated);
}