From 9e66194dca9c669a227a9b8b0516917e9dcda896 Mon Sep 17 00:00:00 2001
From: daveluff <daveluff>
Date: Thu, 9 Oct 2003 21:37:26 +0000
Subject: [PATCH] Fix a possible endless loop due to insufficient space in a
 char array for some messages

---
 src/ATC/transmissionlist.cxx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/ATC/transmissionlist.cxx b/src/ATC/transmissionlist.cxx
index 7f5b09f62..e09dc6fd1 100644
--- a/src/ATC/transmissionlist.cxx
+++ b/src/ATC/transmissionlist.cxx
@@ -142,7 +142,7 @@ bool FGTransmissionList::query_station( const int &station, FGTransmission *t,
 string FGTransmissionList::gen_text(const int &station, const TransCode code, 
                                     const TransPar &tpars, const bool ttext )
 {
-	const int cmax = 100;
+	const int cmax = 300;
 	string message;
 	char tag[4];
 	char crej = '@';
@@ -167,6 +167,7 @@ string FGTransmissionList::gen_text(const int &station, const TransCode code,
 			else message = current->get_menutext();
 			strcpy( &mes[0], message.c_str() ); 
 			
+			int check = 0;	// If mes gets overflowed the while loop can go infinite
 			while ( strchr(&mes[0], crej) != NULL  ) {
 				pos = strchr( &mes[0], crej );
 				bcopy(pos, &tag[0], 3);
@@ -240,6 +241,12 @@ string FGTransmissionList::gen_text(const int &station, const TransCode code,
 				}
 				strcat( &dum[0], &mes[len+3] );
 				strcpy( &mes[0], &dum[0] );
+				
+				++check;
+				if(check > 10) {
+					SG_LOG(SG_ATC, SG_WARN, "WARNING: Possibly endless loop terminated in FGTransmissionlist::gen_text(...)"); 
+					break;
+				}
 			}
 			
 			//cout << mes  << endl;