empty configsets check

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@4806 e016b1c5-ed68-44aa-a2f7-31cac88cffde

source/src/master.cpp

@@ -571,7 +571,7 @@ int main(int argc, char **argv)
     const char *dir = "", *ip = AC_MASTER_URI;
     int port = AC_MASTER_PORT;
     if(argc>=2) dir = argv[1];
-    if(argc>=3) port = atoi(argv[2]);
+    if(argc>=3 && argv[2][0]) port = atoi(argv[2]);
     if(argc>=4) ip = argv[3][0] ? argv[3] : NULL;
     defformatstring(logname)("%smaster.log", dir);
     defformatstring(cfgname)("%smaster.cfg", dir);

source/src/serverfiles.h

@@ -288,6 +288,7 @@ struct servermaprot : serverconfigfile
             return -1;
         }
 #endif
+        if(configsets.empty()) fatal("maprot unavailable");
         int n = numclients();
         int csl = configsets.length();
         int ccs = curcfgset;