C++ (Cpp) hashmap_replace Examples

Example #1

File: device.c Project: aulanov/systemd

static int device_set_sysfs(Device *d, const char *sysfs) {
        Device *first;
        char *copy;
        int r;

        assert(d);

        if (streq_ptr(d->sysfs, sysfs))
                return 0;

        r = hashmap_ensure_allocated(&UNIT(d)->manager->devices_by_sysfs, &string_hash_ops);
        if (r < 0)
                return r;

        copy = strdup(sysfs);
        if (!copy)
                return -ENOMEM;

        device_unset_sysfs(d);

        first = hashmap_get(UNIT(d)->manager->devices_by_sysfs, sysfs);
        LIST_PREPEND(same_sysfs, first, d);

        r = hashmap_replace(UNIT(d)->manager->devices_by_sysfs, copy, first);
        if (r < 0) {
                LIST_REMOVE(same_sysfs, first, d);
                free(copy);
                return r;
        }

        d->sysfs = copy;

        return 0;
}

Example #2

File: cgroup.c Project: RoadRunnr/systemd

void cgroup_bonding_free(CGroupBonding *b, bool trim) {
        assert(b);

        if (b->unit) {
                CGroupBonding *f;

                LIST_REMOVE(CGroupBonding, by_unit, b->unit->cgroup_bondings, b);

                if (streq(b->controller, SYSTEMD_CGROUP_CONTROLLER)) {
                        assert_se(f = hashmap_get(b->unit->manager->cgroup_bondings, b->path));
                        LIST_REMOVE(CGroupBonding, by_path, f, b);

                        if (f)
                                hashmap_replace(b->unit->manager->cgroup_bondings, b->path, f);
                        else
                                hashmap_remove(b->unit->manager->cgroup_bondings, b->path);
                }
        }

        if (b->realized && b->ours && trim)
                cg_trim(b->controller, b->path, false);

        free(b->controller);
        free(b->path);
        free(b);
}

Example #3

File: test-hashmap-plain.c Project: dankor/systemd

static void test_hashmap_replace(void) {
        Hashmap *m;
        char *val1, *val2, *val3, *val4, *val5, *r;

        log_info("%s", __func__);

        m = hashmap_new(&string_hash_ops);

        val1 = strdup("val1");
        assert_se(val1);
        val2 = strdup("val2");
        assert_se(val2);
        val3 = strdup("val3");
        assert_se(val3);
        val4 = strdup("val4");
        assert_se(val4);
        val5 = strdup("val5");
        assert_se(val5);

        hashmap_put(m, "key 1", val1);
        hashmap_put(m, "key 2", val2);
        hashmap_put(m, "key 3", val3);
        hashmap_put(m, "key 4", val4);

        hashmap_replace(m, "key 3", val1);
        r = hashmap_get(m, "key 3");
        assert_se(streq(r, "val1"));

        hashmap_replace(m, "key 5", val5);
        r = hashmap_get(m, "key 5");
        assert_se(streq(r, "val5"));

        free(val1);
        free(val2);
        free(val3);
        free(val4);
        free(val5);
        hashmap_free(m);
}

Example #4

File: bus-driverd.c Project: jaanek/systemd

static int match_new(Client *c, struct bus_match_component *components, unsigned n_components, Match **_m) {
        Match *m, *first;
        int r;

        assert(c);
        assert(_m);

        r = hashmap_ensure_allocated(&c->matches, string_hash_func, string_compare_func);
        if (r < 0)
                return r;

        m = new0(Match, 1);
        if (!m)
                return -ENOMEM;

        m->match = bus_match_to_string(components, n_components);
        if (!m->match) {
                r = -ENOMEM;
                goto fail;
        }

        m->cookie = ++c->next_cookie;

        first = hashmap_get(c->matches, m->match);
        LIST_PREPEND(matches, first, m);
        r = hashmap_replace(c->matches, m->match, first);
        if (r < 0) {
                LIST_REMOVE(matches, first, m);
                goto fail;
        }

        m->client = c;
        c->n_matches++;

        *_m = m;
        m = NULL;

        return 0;

fail:
        match_free(m);
        return r;
}

Example #5

File: resolved-dns-cache.c Project: Werkov/systemd

static void dns_cache_item_unlink_and_free(DnsCache *c, DnsCacheItem *i) {
        DnsCacheItem *first;

        assert(c);

        if (!i)
                return;

        first = hashmap_get(c->by_key, i->key);
        LIST_REMOVE(by_key, first, i);

        if (first)
                assert_se(hashmap_replace(c->by_key, first->key, first) >= 0);
        else
                hashmap_remove(c->by_key, i->key);

        prioq_remove(c->by_expiry, i, &i->prioq_idx);

        dns_cache_item_free(i);
}

Example #6

File: bus-driverd.c Project: jaanek/systemd

static void match_free(Match *m) {

        if (!m)
                return;

        if (m->client) {
                Match *first;

                first = hashmap_get(m->client->matches, m->match);
                LIST_REMOVE(matches, first, m);
                if (first)
                        assert_se(hashmap_replace(m->client->matches, first->match, first) >= 0);
                else
                        hashmap_remove(m->client->matches, m->match);

                m->client->n_matches--;
        }

        free(m->match);
        free(m);
}

Example #7

File: set.c Project: MOBO-OSS/systemd-relative

int set_replace(Set *s, void *value) {
        return hashmap_replace(MAKE_HASHMAP(s), value, value);
}