* src/task/task_register.hh (parse_args): Do not search beyond

        map's end.

ChangeLog

+2003-07-29  Benot Perrot  <benoit@lrde.epita.fr>
+
+	* src/task/task_register.hh (parse_args): Do not search beyond 
+	map's end.
+
 2003-07-28  Benot Perrot  <benoit@lrde.epita.fr>
 
 	* NEWS: Describe main version changes.

src/task/task_register.cc

@@ -131,7 +131,8 @@ namespace task
 			  << arg << "'" << std::endl;
 		continue;
 	      }
-	    if ((++nit)->first.find(arg) == 0)
+	    ++nit;
+	    if (nit != _tasks.end() && nit->first.find(arg) == 0)
 	      {
 		std::cerr << program_name << ": ambiguous option `"
 			  << arg << "'" << std::endl;