From 8b9a1d4cfefb87cb89835880d528ce8d8b5eecdc Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Mon, 6 Feb 2006 23:10:48 +0000
Subject: add chord fix from plan 9

---
 src/cmd/acme/wind.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/cmd/acme/wind.c')

diff --git a/src/cmd/acme/wind.c b/src/cmd/acme/wind.c
index 2b0369dd..a2106ed2 100644
--- a/src/cmd/acme/wind.c
+++ b/src/cmd/acme/wind.c
@@ -115,9 +115,12 @@ wintaglines(Window *w, Rectangle r)
 
 	/* if tag ends with \n, include empty line at end for typing */
 	n = w->tag.fr.nlines;
-	bufread(&w->tag.file->b, w->tag.file->b.nc-1, &rune, 1);
+	if(w->tag.file->b.nc > 0)
+		bufread(&w->tag.file->b, w->tag.file->b.nc-1, &rune, 1);
 	if(rune == '\n')
 		n++;
+	if(n == 0)
+		n = 1;
 	return n;
 }
 
-- 
cgit v1.2.3