void swap(int *a , int *b) {
int tmp = *a;
*a = *b;
*b = tmp;
}
void buble_sort(linked_list_t *l) {
bool sorted = false;
while(sorted == false) {
sorted = true;
linked_list_node_t *node = l->head;
int i;
for (i = 0 ; i < l->size -1 ; i++) {
if (node->val > node->next->val) {
swap(&node->val, &node->next->val);
sorted = false;
}
node = node->next;
}
}
}