/* --- Function: void enqueue_node(Queue que) --- */
void enqueue_node(Queue que)
{
int tmp, *pi;
char mess[BUFSIZ];
do
{
my_clearscrn();
printf("--- ENQUEUE NODE TO QUEUE ---\n");
printf("\nCurrent queue status(%d nodes): ", QUEUEsize(que));
SLISTtraverse(que, print, SLIST_FWD);
tmp = read_int("\nEnter integer data of node to be enqueued (-1=Quit): ", 0, 0);
if (tmp == -1)
break;
pi = (int *)malloc(sizeof(int));
MALCHK(pi);
*pi = tmp;
if ((QUEUEenqueue(que, pi)) != OK)
{
printf("\nFatal error enqueing data - exiting...!");
QUEUEdestroy(que);
exit(-1);
}
else
{
sprintf(mess, "Node %d will be enqueued!", *pi);
prompt_and_pause(mess);
}
} while (TRUE);
}
/* --- void queue_elements(Queue que, int nr_of_ele) --- */
void queue_elements(Queue que, int nr_of_ele)
{
int i=0, *pi, retval;
do
{
pi = (int *)malloc(sizeof(int));
*pi = my_random(1,50);
retval = QUEUEenqueue(que, pi);
assert(retval == OK);
} while (++i < nr_of_ele);
printf("\nCurrent queue content(%d elements): ", QUEUEsize(que));
/* This call to SLISTtraverse is possible - although this function is NOT a member
of the queue (public) interface - but because a queue is also a list ! */
SLISTtraverse(que, print, SLIST_FWD);
}
/* --- Function: void queue_nodess(Queue que, Stack stk, int nr_of_ele) --- */
void enqueue_push_nodes(Queue que, Stack stk, int nr_of_ele)
{
int i=0, *pi, retval;
my_clearscrn();
printf("--- CREATING QUEUE AND STACK (%d nodes each), RANDOM INTEGER DATA ---\n", NR_OF_ITEMS);
do
{
/* Create dyn. memory, store random nr - and enqueue... */
pi = (int *)malloc(sizeof(int));
MALCHK(pi);
*pi = rand_int(1,50);
retval = QUEUEenqueue(que, pi);
assert(retval == OK);
/* Create dyn. memory, store random nr - and push... */
pi = (int *)malloc(sizeof(int));
MALCHK(pi);
*pi = rand_int(1,50);
retval = STACKpush(stk, pi);
assert(retval == OK);
} while (++i < nr_of_ele);
printf("\nCurrent queue and stack status: ");
printf("\nQueue(%d nodes): ", QUEUEsize(que));
SLISTtraverse(que, print, SLIST_FWD);
printf("\nStack(%d nodes): ", STACKsize(stk));
SLISTtraverse(stk, print, SLIST_FWD);
prompt_and_pause("\n\n");
}
