/*
 * split_str - Splits a string on delimiters
 * @param str Input string to be split
 * @param delim Delimiter to split at
 * @param dest Destination pointer of tokens
 * @return Number of tokens in dest
 */
size_t split_str(char *str, const char delim, char ***dest) {
    if (str == NULL) return NULL;

    size_t delim_count = 0;
    for (int i = 0; i < strlen(str); i++){
        if (str[i] == delim) {
            ++delim_count;
        }
    }

    char **tokens = calloc(delim_count + 1, sizeof(char*));

unsigned int random_uint() {
    unsigned int r_uint;
    FILE *f;

    f = fopen("/dev/urandom", "r");
    if(f == NULL) {
        printf("Failed loading random generator device /dev/urandom.");
        exit(EXIT_FAILURE);
    }
    fread(&r_uint, sizeof(r_uint), 1, f);
    fclose(f);

    return r_uint;
}

static bool HAS_URANDOM = true; // Global

unsigned int random_uint() {
    unsigned int r_uint;
    FILE *f;

    f = fopen("/dev/urandom", "r");
    if (f == NULL) {
        if (HAS_URANDOM) {
            printf("Failed loading random generator device /dev/urandom. Defaulting to rand().");
            srand(time(NULL));
            HAS_URANDOM = false;
        }
        r_uint = (unsigned int) rand();
    } else {
        fread(&r_uint, sizeof(r_uint), 1, f);
        fclose(f);
    }
    return r_uint;