1.1 --- a/demo/arg_parser_demo.cc	Tue Dec 20 17:44:38 2011 +0100
     1.2 +++ b/demo/arg_parser_demo.cc	Tue Dec 20 18:15:14 2011 +0100
     1.3 @@ -2,7 +2,7 @@
     1.4   *
     1.5   * This file is a part of LEMON, a generic C++ optimization library.
     1.6   *
     1.7 - * Copyright (C) 2003-2009
     1.8 + * Copyright (C) 2003-2010
     1.9   * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
    1.10   * (Egervary Research Group on Combinatorial Optimization, EGRES).
    1.11   *
    1.12 @@ -65,9 +65,18 @@
    1.13    ap.other("infile", "The input file.")
    1.14      .other("...");
    1.15  
    1.16 +  // Throw an exception when problems occurs. The default behavior is to
    1.17 +  // exit(1) on these cases, but this makes Valgrind falsely warn
    1.18 +  // about memory leaks.
    1.19 +  ap.throwOnProblems();
    1.20 +
    1.21    // Perform the parsing process
    1.22    // (in case of any error it terminates the program)
    1.23 -  ap.parse();
    1.24 +  // The try {} construct is necessary only if the ap.trowOnProblems()
    1.25 +  // setting is in use.
    1.26 +  try {
    1.27 +    ap.parse();
    1.28 +  } catch (ArgParserException &) { return 1; }
    1.29  
    1.30    // Check each option if it has been given and print its value
    1.31    std::cout << "Parameters of '" << ap.commandName() << "':\n";