ret = client_recv_buffer(ct, buf, sizeof(buf));
if (ret < 0)
goto err;
- PARA_INFO_LOG("<-- [challenge] (%zu bytes)\n", ret);
+ PARA_INFO_LOG("<-- [challenge] (%d bytes)\n", ret);
ret = para_decrypt_buffer(ct->key_file, crypt_buf,
(unsigned char *)buf, ret);
if (ret < 0)