From b5d2724841134af15c6e9045c6a426307bcd2d1b Mon Sep 17 00:00:00 2001
From: Clemens Zeidler <clemens.zeidler@googlemail.com>
Date: Thu, 3 Mar 2011 21:44:46 +0000
Subject: [PATCH] Add a safety check. Should helps with #7266.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40798 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/preferences/mail/DNSQuery.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/preferences/mail/DNSQuery.cpp b/src/preferences/mail/DNSQuery.cpp
index ddc39fee60..a38f49a8c0 100644
--- a/src/preferences/mail/DNSQuery.cpp
+++ b/src/preferences/mail/DNSQuery.cpp
@@ -250,6 +250,8 @@ DNSTools::ConvertFromDNSName(const BString& string)
 	int32 nextDot = dot;
 	outString.Remove(0, sizeof(char));
 	while (true) {
+		if (nextDot >= outString.Length())
+			break;
 		dot = outString[nextDot];
 		if (dot == 0)
 			break;