From: Richard M. Stallman <rms@gnu.org>
Date: Fri, 10 Nov 1995 06:38:23 +0000 (+0000)
Subject: (update_line): Avoid indexing into obody by -1.
X-Git-Tag: emacs-19.34~2412
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ed8740116938029a00b222399fdf6d4279e993cf;p=emacs.git

(update_line): Avoid indexing into obody by -1.
---

diff --git a/src/dispnew.c b/src/dispnew.c
index dbedca2a817..35fba210be5 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -1613,7 +1613,7 @@ update_line (frame, vpos)
       if (! current_frame->highlight[vpos])
 	{
 	  if (!must_write_spaces)
-	    while (obody[olen - 1] == SPACEGLYPH && olen > 0)
+	    while (olen > 0 && obody[olen - 1] == SPACEGLYPH)
 	      olen--;
 	}
       else