From 087f010ddbbfaf6f16a18c4ab00500005b633d8d Mon Sep 17 00:00:00 2001
From: eban <eban@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 27 Aug 2002 10:24:24 +0000
Subject: * string.c (rb_str_rstrip_bang): don't access address -1.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2749 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'string.c')

diff --git a/string.c b/string.c
index a4f597f2a4..49b0c7add7 100644
--- a/string.c
+++ b/string.c
@@ -2828,9 +2828,7 @@ rb_str_rstrip_bang(str)
     e = t = s + RSTRING(str)->len;
 
     /* remove trailing spaces */
-    t--;
-    while (s <= t && ISSPACE(*t)) t--;
-    t++;
+    while (s < t && ISSPACE(*(t-1))) t--;
 
     RSTRING(str)->len = t-s;
     if (t < e) {
-- 
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