From aef88fd9eb8d3969ad4352f17b6532195d30771d Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@gmail.com>
Date: Mon, 20 Mar 2017 17:16:35 +0100
Subject: [PATCH] screen_utils: move check to ignore_key()

---
 src/screen_utils.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/screen_utils.c b/src/screen_utils.c
index 28d5e4b..891b9b3 100644
--- a/src/screen_utils.c
+++ b/src/screen_utils.c
@@ -38,6 +38,12 @@ screen_bell(void)
 		flash();
 }
 
+static bool
+ignore_key(int key)
+{
+	return key == ERR;
+}
+
 int
 screen_getch(const char *prompt)
 {
@@ -52,8 +58,7 @@ screen_getch(const char *prompt)
 	curs_set(1);
 
 	int key;
-	while ((key = wgetch(w)) == ERR)
-		;
+	while (ignore_key(key = wgetch(w))) {}
 
 #ifdef HAVE_GETMOUSE
 	/* ignore mouse events */
-- 
2.30.2