From: ThorstenB <brehmt@gmail.com>
Date: Mon, 26 Mar 2012 19:04:23 +0000 (+0200)
Subject: marker beacon: catch NULL pointer
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=2f7f5da4ad5bbc0eeabe17e9c69c9f000eab412f;p=flightgear.git

marker beacon: catch NULL pointer
when runway not in navdb (affects incomplete/inconsistent nav data only).
---

diff --git a/src/Navaids/markerbeacon.cxx b/src/Navaids/markerbeacon.cxx
index 651879961..2192ae514 100644
--- a/src/Navaids/markerbeacon.cxx
+++ b/src/Navaids/markerbeacon.cxx
@@ -51,6 +51,11 @@ FGMarkerBeaconRecord::create(int aTy, const string& aName, const SGGeod& aPos)
 {
   Type fgpTy = mapType(aTy);
   FGRunway* runway = getRunwayFromName(aName);
+  if (!runway)
+  {
+      SG_LOG(SG_GENERAL, SG_ALERT, "Failed to create beacon for unknown runway '" << aName << "'.");
+      return NULL;
+  }
   SGGeod pos(aPos);
   // fudge elevation to the runway elevation if it's not specified
   if (fabs(pos.getElevationFt()) < 0.01) {