From a6d654780e890044fa9039fcb66911f9e2e558d9 Mon Sep 17 00:00:00 2001
From: millert <millert@openbsd.org>
Date: Thu, 21 Jan 2021 20:08:17 +0000
Subject: [PATCH] Ignore special keys returned by the curses getch() function.
 Prevents canfield from suspending itself when you resize the window. Canfield
 is not prepared to deal with anything other than normal characters so just
 ignore them.  OK tb@ pjanzen@

---
 games/canfield/canfield/canfield.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/games/canfield/canfield/canfield.c b/games/canfield/canfield/canfield.c
index df81b14f517..346fd20a1d2 100644
--- a/games/canfield/canfield/canfield.c
+++ b/games/canfield/canfield/canfield.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: canfield.c,v 1.28 2018/08/24 11:14:49 mestre Exp $	*/
+/*	$OpenBSD: canfield.c,v 1.29 2021/01/21 20:08:17 millert Exp $	*/
 /*	$NetBSD: canfield.c,v 1.7 1995/05/13 07:28:35 jtc Exp $	*/
 
 /*
@@ -1332,7 +1332,8 @@ getcmd(int row, int col, const char *cp)
 	do {
 		if ((ch = getch()) == ERR)
 			cleanup(0);
-		ch &= 0177;
+		if (ch >= KEY_MIN)
+			continue;
 		if (ch >= 'A' && ch <= 'Z')
 			ch += ('a' - 'A');
 		if (ch == '\f') {
-- 
2.20.1