From c7f540ed6721b735815af8eee5a69b22b6142b50 Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Thu, 31 May 2012 16:14:50 +0900
Subject: reimplement String#upcase

---
 src/string.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/string.c')

diff --git a/src/string.c b/src/string.c
index c9fac896d..c000a9d7c 100644
--- a/src/string.c
+++ b/src/string.c
@@ -2583,7 +2583,8 @@ mrb_str_upcase_bang(mrb_state *mrb, mrb_value str)
   char *s, *send;
   int modify = 0;
 
-  s = RSTRING(str)->buf; send = s + RSTRING(str)->len;
+  s = RSTRING_PTR(str);
+  send = RSTRING_END(str);
   while (s < send) {
     if (ISLOWER(*s)) {
       *s = toupper(*s);
-- 
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