From ffaae2b52b5aa5e7c37aff45ea7c36a23fb055bc Mon Sep 17 00:00:00 2001
From: bert hubert <bert.hubert@netherlabs.nl>
Date: Wed, 6 May 2015 20:48:17 +0200
Subject: [PATCH] be careful reading empty lines in our config parser and
 prevent integer overflow. 1 line diff.

(cherry picked from commit 83281a74766e31ff7197c7ebc4a331e9dad89e8f)
---
 pdns/arguments.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdns/arguments.cc b/pdns/arguments.cc
index 9f4e1cacc..c154d0e82 100644
--- a/pdns/arguments.cc
+++ b/pdns/arguments.cc
@@ -390,7 +390,7 @@ bool ArgvMap::parseFile(const char *fname, const string& arg, bool lax) {
   while(getline(f,pline)) {
     trim_right(pline);
     
-    if(pline[pline.size()-1]=='\\') {
+    if(!pline.empty() && pline[pline.size()-1]=='\\') {
       line+=pline.substr(0,pline.length()-1);
       continue;
     }
-- 
2.40.0