show actual name of an invalid parameter

9 years ago · fbb98e1aec
1 changed files with 1 additions and 1 deletions
--- a/Config.cpp
+++ b/Config.cpp
@ -191,7 +191,7 @@ namespace config {
				@@ -191,7 +191,7 @@ namespace config {
                 | boost::program_options::command_line_style::allow_long_disguise;
      style &=   ~ boost::program_options::command_line_style::allow_guessing;
      store(parse_command_line(argc, argv, m_OptionsDesc, style, old_syntax_parser), m_Options);
-    } catch (boost::program_options::error e) {
+    } catch (boost::program_options::error& e) {
      std::cerr << "args: " << e.what() << std::endl;
      exit(EXIT_FAILURE);
    }