From: Ondřej Surý <ondrej@sury.org>
Date: Sat, 3 Nov 2018 19:20:41 +0000 (+0700)
Subject: Enable IDN processing (both idnin and idnout) only on tty, disable it when the stdout... 
X-Git-Tag: v9.13.4~53^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e1bf7d017e4f6d787cbeb72cc2aa74e7f30122e;p=thirdparty%2Fbind9.git

Enable IDN processing (both idnin and idnout) only on tty, disable it when the stdout is not a tty
---

diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c
index 9750f140cd8..4daddbda7e3 100644
--- a/bin/dig/dighost.c
+++ b/bin/dig/dighost.c
@@ -625,7 +625,7 @@ make_empty_lookup(void) {
 	looknew->ttlunits = false;
 	looknew->qr = false;
 #ifdef HAVE_LIBIDN2
-	looknew->idnin = (getenv("IDN_DISABLE") == NULL);
+	looknew->idnin = isatty(1)?(getenv("IDN_DISABLE") == NULL):false;
 	looknew->idnout = looknew->idnin;
 #else
 	looknew->idnin = false;