From 8d2ca76838e172220f423e78f41e9b6936a8e95a Mon Sep 17 00:00:00 2001
From: Thomas Kriechbaumer <kriechbaumer@gmail.com>
Date: Tue, 31 Mar 2015 12:28:09 +0100
Subject: [PATCH] fail if no config version is not found

---
 src/znc.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/znc.cpp b/src/znc.cpp
index 2cca9719..56f18a28 100644
--- a/src/znc.cpp
+++ b/src/znc.cpp
@@ -960,6 +960,11 @@ bool CZNC::ReadConfig(CConfig& config, CString& sError) {
 	// create a backup file if neccessary
 	CString sSavedVersion;
 	config.FindStringEntry("version", sSavedVersion);
+	if (sSavedVersion.empty()) {
+		CUtils::PrintError("Config does not contain a version identifier. It may be be too old or corrupt.");
+		return false;
+	}
+
 	tuple<unsigned int, unsigned int> tSavedVersion = make_tuple(sSavedVersion.Token(0, false, ".").ToUInt(),
 																 sSavedVersion.Token(1, false, ".").ToUInt());
 	tuple<unsigned int, unsigned int> tCurrentVersion = make_tuple(VERSION_MAJOR, VERSION_MINOR);