C++ (Cpp) hashmap_remove_and_putの例

コード例 #1

ファイル: test-hashmap-plain.c プロジェクト: dankor/systemd

static void test_hashmap_remove_and_put(void) {
        _cleanup_hashmap_free_ Hashmap *m = NULL;
        int valid;
        char *r;

        log_info("%s", __func__);

        m = hashmap_new(&string_hash_ops);
        assert_se(m);

        valid = hashmap_remove_and_put(m, "invalid key", "new key", NULL);
        assert_se(valid == -ENOENT);

        valid = hashmap_put(m, "key 1", (void*) (const char *) "val 1");
        assert_se(valid == 1);

        valid = hashmap_remove_and_put(NULL, "key 1", "key 2", (void*) (const char *) "val 2");
        assert_se(valid == -ENOENT);

        valid = hashmap_remove_and_put(m, "key 1", "key 2", (void*) (const char *) "val 2");
        assert_se(valid == 0);

        r = hashmap_get(m, "key 2");
        assert_se(streq(r, "val 2"));
        assert_se(!hashmap_get(m, "key 1"));

        valid = hashmap_put(m, "key 3", (void*) (const char *) "val 3");
        assert_se(valid == 1);
        valid = hashmap_remove_and_put(m, "key 3", "key 2", (void*) (const char *) "val 2");
        assert_se(valid == -EEXIST);
}

コード例 #2

ファイル: set.c プロジェクト: MOBO-OSS/systemd-relative

int set_remove_and_put(Set *s, void *old_value, void *new_value) {
        return hashmap_remove_and_put(MAKE_HASHMAP(s), old_value, new_value, new_value);
}