/**
* @brief Pushes an object on a stack.
*
* @details Pushes the object pointed to by @p obj on the stack pointed to by
* @p s.
*
* @param s Stack where the object should be pushed on.
* @param obj Object to be pushed on the stack.
*/
void stack_push(struct stack *s, object_t obj)
{
struct snode *node;
/* Sanity check. */
assert(s != NULL);
assert(obj != NULL);
/* Link object. */
node = stack_node_create(obj);
node->next = s->head.next;
s->head.next = node;
s->size++;
}
void
stack_push(stack_t s, element_t val)
{
stack_node_t node;
assert(NULL != s);
node = stack_node_create(val);
if (NULL == s->head) {
node->max = val;
node->min = val;
}
else {
node->max = (val > s->head->max ? val : s->head->max);
node->min = (val < s->head->min ? val : s->head->min);
}
node->next = s->head;
s->head = node;
++s->size;
}
