From 94c65497d9f25acb6ebd3c9d8cca1d069988bbe3 Mon Sep 17 00:00:00 2001
From: ntrifunovic <ntrifunovic@a809a056-fc17-0410-9590-b4f493f8b08e>
Date: Sun, 27 Aug 2006 02:31:23 +0000
Subject: [PATCH] Added a boundary check to the optimization branch of
 next_validate

git-svn-id: http://svn.code.sf.net/p/utfcpp/code@52 a809a056-fc17-0410-9590-b4f493f8b08e
---
 source/utf8.h | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/source/utf8.h b/source/utf8.h
index b7e8479..62ac58e 100644
--- a/source/utf8.h
+++ b/source/utf8.h
@@ -126,10 +126,14 @@ namespace internal
         typedef typename std::iterator_traits<octet_iterator>::difference_type octet_difference_type;
         octet_difference_type sequence_length;
         if (cp < 0x80) {
-            if (code_point)
-                *code_point = cp;
-            ++it;
-            return OK;
+            if (end - it > 0) {
+                if (code_point)
+                    *code_point = cp;
+                ++it;
+                return OK;
+            }
+            else
+                return NOT_ENOUGH_ROOM;
         }
         else if ((cp >> 5) == 0x6)
             sequence_length = 2;