/* Default hook for argp --version handling

   Copyright (C) 1996 Free Software Foundation, Inc.

   Written by Miles Bader <miles@gnu.ai.mit.edu>

   This file is part of the GNU Hurd.

   The GNU Hurd 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 2, or (at
   your option) any later version.

   The GNU Hurd 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, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */

#include "priv.h"

extern char *diskfs_extra_version;
#pragma weak diskfs_extra_version

static void
_print_version (FILE *stream, struct argp_state *state)
{
  if (argp_program_version)
    /* If this is non-zero, then the program's probably defined it, so let
       that take precedence over the default.  */
    fprintf (stream, "%s\n", argp_program_version);
  else
    /* Construct a version using the standard diskfs variables.  */
    {
      char ev[15] = { 0 };

      if (diskfs_edit_version)
	if (diskfs_edit_version <= 26)
	  sprintf (ev, "%c", diskfs_edit_version - 1 + 'a');
	else
	  sprintf (ev, ".%d", diskfs_edit_version);

      if (diskfs_extra_version)
	fprintf (stream, "%s %d.%d%s (%s, GNU %s)\n",
		 diskfs_server_name, diskfs_major_version, diskfs_minor_version,
		 ev, diskfs_extra_version, HURD_RELEASE);
      else
	fprintf (stream, "%s %d.%d%s (GNU %s)\n",
		 diskfs_server_name, diskfs_major_version, diskfs_minor_version,
		 ev, HURD_RELEASE);
    }
}

void (*argp_program_version_hook) (FILE *stream, struct argp_state *state)
     = _print_version;