test-prio-queue.c

   1 #include "cache.h"
   2 #include "prio-queue.h"
   3
   4 static int intcmp(const void *va, const void *vb, void *data)
   5 {
   6         const int *a = va, *b = vb;
   7         return *a - *b;
   8 }
   9
  10 static void show(int *v)
  11 {
  12         if (!v)
  13                 printf("NULL\n");
  14         else
  15                 printf("%d\n", *v);
  16         free(v);
  17 }
  18
  19 int main(int argc, char **argv)
  20 {
  21         struct prio_queue pq = { intcmp };
  22
  23         while (*++argv) {
  24                 if (!strcmp(*argv, "get"))
  25                         show(prio_queue_get(&pq));
  26                 else if (!strcmp(*argv, "dump")) {
  27                         int *v;
  28                         while ((v = prio_queue_get(&pq)))
  29                                show(v);
  30                 }
  31                 else {
  32                         int *v = malloc(sizeof(*v));
  33                         *v = atoi(*argv);
  34                         prio_queue_put(&pq, v);
  35                 }
  36         }
  37
  38         return 0;
  39 }