/* Options common to ar and ranlib.

   Copyright (C) 2012 Red Hat, Inc.

   This file is part of elfutils.

   This file is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   elfutils is distributed in the hope that it will be useful, but

   WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <argp.h>

#include <libintl.h>

#include "arlib.h"

bool arlib_deterministic_output = DEFAULT_AR_DETERMINISTIC;

static const struct argp_option options[] =

  {

    { NULL, 'D', NULL, 0,

      N_("Use zero for uid, gid, and date in archive members."), 0 },

    { NULL, 'U', NULL, 0,

      N_("Use actual uid, gid, and date in archive members."), 0 },

    { NULL, 0, NULL, 0, NULL, 0 }

  };

static error_t

parse_opt (int key, char *arg __attribute__ ((unused)),

           struct argp_state *state __attribute__ ((unused)))

{

  switch (key)

    {

    case 'D':

      arlib_deterministic_output = true;

      break;

    case 'U':

      arlib_deterministic_output = false;

      break;

    default:

      return ARGP_ERR_UNKNOWN;

    }

  return 0;

}

static char *

help_filter (int key, const char *text, void *input __attribute__ ((unused)))

{

  inline char *text_for_default (void)

  {

    char *new_text;

    if (unlikely (asprintf (&new_text, gettext ("%s (default)"), text) < 0))

      return (char *) text;

    return new_text;

  }

  switch (key)

    {

    case 'D':

      if (DEFAULT_AR_DETERMINISTIC)

        return text_for_default ();

      break;

    case 'U':

      if (! DEFAULT_AR_DETERMINISTIC)

        return text_for_default ();

      break;

    }

  return (char *) text;

}

static const struct argp argp =

  {

    options, parse_opt, NULL, NULL, NULL, help_filter, NULL

  };

const struct argp_child arlib_argp_children[] =

  {

    { &argp, 0, "", 2 },

    { NULL, 0, NULL, 0 }

  };