From 6449b88bf15552468324cb778d5542fde92a655e Mon Sep 17 00:00:00 2001
From: "Tim J. Robbins" <tjr@FreeBSD.org>
Date: Mon, 3 May 2004 11:48:55 +0000
Subject: [PATCH] Only add the widths together for printable characters in
 prn_normal(); unprintable characters have a "width" of -1.

---
 bin/ls/util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bin/ls/util.c b/bin/ls/util.c
index a7b82080e28..36122df4db7 100644
--- a/bin/ls/util.c
+++ b/bin/ls/util.c
@@ -79,7 +79,8 @@ prn_normal(const char *s)
 		for (i = 0; i < (int)clen; i++)
 			putchar((unsigned char)s[i]);
 		s += clen;
-		n += wcwidth(wc);
+		if (iswprint(wc))
+			n += wcwidth(wc);
 	}
 	return (n);
 }