From 7c5417dd3c8525baae999c47318242899a8b9694 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <millert@cvs.openbsd.org>
Date: Mon, 10 Jul 2000 03:10:18 +0000
Subject: Bail if getch() returns ERR.  In ncurses < 5.1 getch() incorrectly
 returned 0 on EOF (due to a side effect of how curses buffers reads).

---
 usr.bin/systat/keyboard.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/usr.bin/systat/keyboard.c b/usr.bin/systat/keyboard.c
index 120dc0cc38d..b7e73df32d1 100644
--- a/usr.bin/systat/keyboard.c
+++ b/usr.bin/systat/keyboard.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: keyboard.c,v 1.5 2000/06/04 23:06:17 aaron Exp $	*/
+/*	$OpenBSD: keyboard.c,v 1.6 2000/07/10 03:10:17 millert Exp $	*/
 /*	$NetBSD: keyboard.c,v 1.2 1995/01/20 08:51:59 jtc Exp $	*/
 
 /*-
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)keyboard.c	8.1 (Berkeley) 6/6/93";
 #endif
-static char rcsid[] = "$OpenBSD: keyboard.c,v 1.5 2000/06/04 23:06:17 aaron Exp $";
+static char rcsid[] = "$OpenBSD: keyboard.c,v 1.6 2000/07/10 03:10:17 millert Exp $";
 #endif /* not lint */
 
 #include <ctype.h>
@@ -59,7 +59,9 @@ keyboard()
                 move(CMDLINE, 0);
                 do {
                         refresh();
-                        ch = getch() & 0177;
+                        if ((ch = getch()) == ERR)
+				exit(1);
+                        ch &= 0177;
                         if (ch == 0177 && ferror(stdin)) {
                                 clearerr(stdin);
                                 continue;
-- 
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