-static bool print_cb(void *data, const struct tlv *tlv) {
- emv_tag_dump(tlv, stdout);
- dump_buffer(tlv->value, tlv->len, stdout);
+static bool print_cb(void *data, const struct tlv *tlv, int level) {
+ emv_tag_dump(tlv, stdout, level);
+ dump_buffer(tlv->value, tlv->len, stdout, level);