From fd0250869f7837e4a48d7e6f54cc0801ad3820e8 Mon Sep 17 00:00:00 2001
From: MonkeybreadSoftware <support@monkeybreadsoftware.de>
Date: Sat, 13 Jul 2024 22:14:01 +0200
Subject: [PATCH] =?UTF-8?q?IDN:=20fix=20=C3=9F=20with=20AppleIDN?=
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Add flags UIDNA_NONTRANSITIONAL_TO_ASCII and
UIDNA_NONTRANSITIONAL_TO_UNICODE to encode ß correctly.

It fixes test 165.

Reported-by: Viktor Szakats
Bug: #14176
Closes #14179
---
 lib/idn.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/idn.c b/lib/idn.c
index e56970fbb6..8d6bfe7ce6 100644
--- a/lib/idn.c
+++ b/lib/idn.c
@@ -57,7 +57,8 @@
 static CURLcode mac_idn_to_ascii(const char *in, char **out)
 {
   UErrorCode err = U_ZERO_ERROR;
-  UIDNA* idna = uidna_openUTS46(UIDNA_CHECK_BIDI, &err);
+  UIDNA* idna = uidna_openUTS46(
+    UIDNA_CHECK_BIDI|UIDNA_NONTRANSITIONAL_TO_ASCII, &err);
   if(U_FAILURE(err)) {
     return CURLE_OUT_OF_MEMORY;
   }
@@ -83,7 +84,8 @@ static CURLcode mac_idn_to_ascii(const char *in, char **out)
 static CURLcode mac_ascii_to_idn(const char *in, char **out)
 {
   UErrorCode err = U_ZERO_ERROR;
-  UIDNA* idna = uidna_openUTS46(UIDNA_CHECK_BIDI, &err);
+  UIDNA* idna = uidna_openUTS46(
+    UIDNA_CHECK_BIDI|UIDNA_NONTRANSITIONAL_TO_UNICODE, &err);
   if(U_FAILURE(err)) {
     return CURLE_OUT_OF_MEMORY;
   }