fixed checksum()

diff --git a/plugins/gpsnmea/gpsnmea.cpp b/plugins/gpsnmea/gpsnmea.cpp
index 92a6d92..b36f8b8 100644 (file)
--- a/plugins/gpsnmea/gpsnmea.cpp
+++ b/plugins/gpsnmea/gpsnmea.cpp
@@ -155,6 +155,11 @@ void Location::parseGprmc(string gprmc)
        std::vector<std::string> tokens;
        boost::split(tokens, gprmc, boost::is_any_of(","));
 
+       if(!tokens.size())
+       {
+               return;
+       }
+
        if(tokens[2] == "A")
        {
                isActive = true;
@@ -440,6 +445,10 @@ GpsNmeaSource::GpsNmeaSource(AbstractRoutingEngine *re, map<string, string> conf
 
                g_assert(multimessageParse);
 
+               //test false message:
+
+               g_assert(!checksum("GPRMC,172758.296,V"));
+
        }
 
        std::string btaddapter = config["bluetoothAdapter"];
@@ -621,7 +630,7 @@ void GpsNmeaSource::addPropertySupport(VehicleProperty::Property property, Zone:
 
 bool GpsNmeaSource::checksum(std::string sentence)
 {
-       if(sentence.empty() || sentence.length() < 4)
+       if(sentence.empty() || sentence.length() < 4 || sentence.find("*") == string::npos || sentence.find("*") >= sentence.length()-2)
        {
                return false;
        }