struct prio_queue pq = { intcmp };
while (*++argv) {
- if (!strcmp(*argv, "get"))
- show(prio_queue_get(&pq));
- else if (!strcmp(*argv, "dump")) {
- int *v;
- while ((v = prio_queue_get(&pq)))
- show(v);
- }
- else {
+ if (!strcmp(*argv, "get")) {
+ void *peek = prio_queue_peek(&pq);
+ void *get = prio_queue_get(&pq);
+ if (peek != get)
+ BUG("peek and get results do not match");
+ show(get);
+ } else if (!strcmp(*argv, "dump")) {
+ void *peek;
+ void *get;
+ while ((peek = prio_queue_peek(&pq))) {
+ get = prio_queue_get(&pq);
+ if (peek != get)
+ BUG("peek and get results do not match");
+ show(get);
+ }
+ } else if (!strcmp(*argv, "stack")) {
+ pq.compare = NULL;
+ } else {
int *v = malloc(sizeof(*v));
*v = atoi(*argv);
prio_queue_put(&pq, v);