From f0fc6ec872f043836f01455b16feee6bb9ed9eb9 Mon Sep 17 00:00:00 2001
From: duerst <duerst@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 8 Jun 2016 12:28:42 +0000
Subject: * string.c: New static function rb_str_ascii_casemap; special-casing 
  :ascii option in rb_str_upcase_bang and rb_str_downcase_bang. * regenc.c:
 Fix a bug (wrong use of unnecessary slack at end of string). * regenc.h ->
 include/ruby/oniguruma.h: Move declaration of   onigenc_ascii_only_case_map
 so that it is visible in string.c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 regenc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'regenc.c')

diff --git a/regenc.c b/regenc.c
index abc0c029c8..d345b0f8d5 100644
--- a/regenc.c
+++ b/regenc.c
@@ -968,9 +968,7 @@ onigenc_ascii_only_case_map (OnigCaseFoldType* flagP, const OnigUChar** pp, cons
   OnigCaseFoldType flags = *flagP;
   int codepoint_length;
 
-  to_end -= 4; /* longest possible length of a single character */
-
-  while (*pp<end && to<=to_end) {
+  while (*pp<end && to<to_end) {
     codepoint_length = ONIGENC_PRECISE_MBC_ENC_LEN(enc, *pp, end);
     if (codepoint_length < 0)
       return codepoint_length; /* encoding invalid */
-- 
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