/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 1999-2019 Free Software Foundation, Inc.

   GNU Mailutils 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, or (at your option)
   any later version.

   GNU Mailutils 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 GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>. */

#include "mail.h"

/*
 * cd [directory]
 * ch[dir] [directory]
 */

int
mail_cd (int argc, char **argv)
{
  char *dir, *edir;
  int rc;
  
  if (argc > 2)
    return 1;
  else if (argc == 2)
    dir = argv[1];
  else 
    dir = getenv ("HOME");

  rc = mu_mailbox_expand_name (dir, &edir);
  if (rc)
    {
      mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_expand_name", dir, rc);
      return 1;
    }

  rc = chdir (edir);
  if (rc)
    mu_diag_funcall (MU_DIAG_ERROR, "chdir", edir, errno);
  free (edir);
  return rc;
}