From 0918776d0068e7fcf2deab3a006e2f90321ef874 Mon Sep 17 00:00:00 2001
From: "K. Lange" <klange@toaruos.org>
Date: Fri, 1 Mar 2024 20:36:37 +0900
Subject: [PATCH] Don't use FLUSH when switching modes in rline

---
 src/vendor/rline.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/vendor/rline.c b/src/vendor/rline.c
index 9d2de42..535c743 100644
--- a/src/vendor/rline.c
+++ b/src/vendor/rline.c
@@ -2022,12 +2022,12 @@ static void set_unbuffered(void) {
 	_EOF  = old.c_cc[VEOF];
 	struct termios new = old;
 	new.c_lflag &= (~ICANON & ~ECHO & ~ISIG);
-	tcsetattr(STDOUT_FILENO, TCSAFLUSH, &new);
+	tcsetattr(STDOUT_FILENO, TCSADRAIN, &new);
 	if (wcwidth(0x3042) != 2) setlocale(LC_CTYPE, "");
 }
 
 static void set_buffered(void) {
-	tcsetattr(STDOUT_FILENO, TCSAFLUSH, &old);
+	tcsetattr(STDOUT_FILENO, TCSADRAIN, &old);
 }
 #else
 static unsigned int _INTR = 3;