root/test-prio-queue.c

DEFINITIONS

1. intcmp
2. show
3. main

#include "cache.h"
#include "prio-queue.h"

static int intcmp(const void *va, const void *vb, void *data)
{
        const int *a = va, *b = vb;
        return *a - *b;
}

static void show(int *v)
{
        if (!v)
                printf("NULL\n");
        else
                printf("%d\n", *v);
        free(v);
}

int main(int argc, char **argv)
{
        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 {
                        int *v = malloc(sizeof(*v));
                        *v = atoi(*argv);
                        prio_queue_put(&pq, v);
                }
        }

        return 0;
}