From f1d8b3c99e0c1b8f814807e7af9a9ee2906ec9f7 Mon Sep 17 00:00:00 2001
From: ache <ache@FreeBSD.org>
Date: Tue, 2 Sep 1997 19:07:50 +0000
Subject: [PATCH] Fix possible coredump on BW displays

---
 lib/libncurses/lib_vidattr.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/libncurses/lib_vidattr.c b/lib/libncurses/lib_vidattr.c
index c8b62e7763f2..0bb56757d94b 100644
--- a/lib/libncurses/lib_vidattr.c
+++ b/lib/libncurses/lib_vidattr.c
@@ -49,8 +49,12 @@ static void do_color(int pair, int  (*outc)(int))
 int fg, bg;
 
 	if ( pair == 0 ) {
-		tputs(orig_pair, 1, outc);
-	} else {
+		if (orig_pair) {
+			tputs(orig_pair, 1, outc);
+		}
+	} else if ((set_a_foreground || set_foreground) &&
+		   (set_a_background || set_background)
+		  ) {
 		fg = FG(color_pairs[pair]);
 		bg = BG(color_pairs[pair]);