From: James Yonan <james@openvpn.net>
Date: Fri, 26 Aug 2011 00:43:45 +0000 (+0000)
Subject: Minor fix to CC_PRINT char class -- treat DEL (ascii 127)
X-Git-Tag: v2.3-alpha1~185
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cfa4ebddcfa46ba04705b0291a91d2ac88ab27e;p=thirdparty%2Fopenvpn.git

Minor fix to CC_PRINT char class -- treat DEL (ascii 127)
as a control char.

Version 2.1.13.

git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@7581 e7ae566f-a301-0410-adde-c780ea21d3b5
---

diff --git a/buffer.c b/buffer.c
index f3221250f..2f8e4b880 100644
--- a/buffer.c
+++ b/buffer.c
@@ -720,7 +720,7 @@ char_class (const unsigned char c, const unsigned int flags)
     return true;
   if ((flags & CC_DIGIT) && isdigit (c))
     return true;
-  if ((flags & CC_PRINT) && (c >= 32)) /* allow ascii non-control and UTF-8 */
+  if ((flags & CC_PRINT) && (c >= 32 && c != 127)) /* allow ascii non-control and UTF-8, consider DEL to be a control */
     return true;
   if ((flags & CC_PUNCT) && ispunct (c))
     return true;