From e28369ebe894cb8e0b6fd6eee6a51f41a44469d8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 8 Apr 2009 11:08:18 +0000
Subject: * string.c (rb_str_rstrip_bang): should not sign-expand non-ascii.  
 [ruby-core:23158]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@23159 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'string.c')

diff --git a/string.c b/string.c
index 2744ea94b..2b790a082 100644
--- a/string.c
+++ b/string.c
@@ -6197,7 +6197,8 @@ rb_str_rstrip_bang(VALUE str)
 
     /* remove trailing spaces or '\0's */
     if (single_byte_optimizable(str)) {
-	while (s < t && (*(t-1) == '\0' || rb_enc_isspace(*(t-1), enc))) t--;
+	unsigned char c;
+	while (s < t && ((c = *(t-1)) == '\0' || rb_enc_isspace(c, enc))) t--;
     }
     else {
 	char *tp;
-- 
cgit