X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FEnvironment%2Ffgmetar.cxx;h=b2b331fbf223469aec3b00e99fec829bb0906266;hb=11d15b451347674fba77648700d23c5aaec3c6c2;hp=c172d92a7b180819203a4d6c052a6e93b7da28d4;hpb=3db0cf165981bc55c35bd215590b0f90212a860a;p=flightgear.git

diff --git a/src/Environment/fgmetar.cxx b/src/Environment/fgmetar.cxx
index c172d92a7..b2b331fbf 100644
--- a/src/Environment/fgmetar.cxx
+++ b/src/Environment/fgmetar.cxx
@@ -99,14 +99,16 @@ FGMetar::FGMetar(const string& icao, const string& proxy, const string& port, co
 		_wind_range_from = _wind_range_to = _wind_dir;
 	}
 
+	if (_wind_speed == SGMetarNaN)
+		_wind_speed = 0.0;
 	if (_gust_speed == SGMetarNaN)
 		_gust_speed = 0.0;
 
 	// clouds
 	vector<SGMetarCloud> cv = _clouds;
-	vector<SGMetarCloud>::iterator cloud;
+	vector<SGMetarCloud>::iterator cloud, cv_end = cv.end();
 
-	for (i = 0, cloud = cv.begin(); cloud != cv.end(); cloud++, i++) {
+	for (i = 0, cloud = cv.begin(); cloud != cv_end; ++cloud, i++) {
 		int cov = cloud->getCoverage();
 		if (cov == -1)
 			cov = 0;
@@ -131,8 +133,8 @@ FGMetar::FGMetar(const string& icao, const string& proxy, const string& port, co
 
 	// snow cover
 	map<string, SGMetarRunway> rm = getRunways();
-	map<string, SGMetarRunway>::const_iterator runway;
-	for (runway = rm.begin(); runway != rm.end(); runway++) {
+	map<string, SGMetarRunway>::const_iterator runway, rm_end = rm.end();
+	for (runway = rm.begin(); runway != rm_end; ++runway) {
 		SGMetarRunway rwy = runway->second;
 		if (rwy.getDeposit() >= 3 ) {
 			_snow_cover = true;