From 0122a21d6d4e98e426acd8d4faf143f5d51f4ad1 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 17 Jan 2020 23:49:26 +0900
Subject: [PATCH] Set `OPOST` when `intr` is true

To enable implementation-defined output processing, for the
compatibility with readline.  [Bug #16509]

https://bugs.ruby-lang.org/issues/16509
---
 ext/io/console/console.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/io/console/console.c b/ext/io/console/console.c
index 3a6bb25..bfba1e7 100644
--- a/ext/io/console/console.c
+++ b/ext/io/console/console.c
@@ -190,6 +190,7 @@ set_rawmode(conmode *t, void *arg)
 	if (r->intr) {
 	    t->c_iflag |= BRKINT;
 	    t->c_lflag |= ISIG;
+	    t->c_oflag |= OPOST;
 	}
 #endif
 	(void)r;