[boost] Bug in Boost.Format_options

From: Roger Leigh (rleigh_at_[hidden])
Date: 2006-01-02 18:51:51

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Given the following testcase:

#include <iostream>
#include <boost/program_options.hpp>
namespace opt = boost::program_options;

int main(int   argc,
         char *argv[])
{
  try
    {
      bool all, all_chroots, all_sessions;

      opt::options_description chroot("Chroot selection");
      chroot.add_options()
        ("all,a", "Select all chroots and active sessions")
        ("all-chroots", "Select all chroots")
        ("all-sessions", "Select all active sessions");

      opt::variables_map vm;
      opt::store(opt::parse_command_line(argc, argv, chroot), vm);
      opt::notify(vm);

      if (vm.count("all"))
        all = true;
      if (vm.count("all-chroots"))
        all_chroots = true;
      if (vm.count("all-sessions"))
        all_sessions = true;

      return 0;
    }
  catch (std::exception const& e)
    {
      std::cerr << e.what() << std::endl;
      return 1;
    }
}

$ g++ -o opt opt.cc -lboost_program_options
$ ./opt --help
unknown option help
$ ./opt --all-chroots
$ ./opt --all-sessions
$ ./opt --all
ambiguous option all

- --all is not abiguous, since it's an exact match.  It's not abigous for
GNU getopt or GLib GOption, so this is IMHO a bug.

Regards,
Roger

Versions of packages libboost-program-options-dev depends on:
ii  libboost-dev                  1.33.0-6   Boost C++ Libraries development fi
ii  libboost-program-options1.33. 1.33.0-6   program options library for C++

- -- 
Roger Leigh
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