- fprintf(stderr, "\nTo transfer the verification key to your phone please scan the QR code below:\n\n");
- print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine);
+ /* If this is not an UTF-8 system don't print any QR codes */
+ setlocale(LC_CTYPE, "");
+
+ if (streq_ptr(nl_langinfo(CODESET), "UTF-8")) {
+ fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr);
+ print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine);
+ }