mutt_idna.h

/**
 * @file
 * Handling of international domain names
 *
 * @authors
 * Copyright (C) 2003,2005 Thomas Roessler <roessler@does-not-exist.org>
 *
 * @copyright
 * This program 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 of the License, or (at your option) any later
 * version.
 *
 * This program 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/>.
 */

#ifndef _MUTT_IDNA_H
#define _MUTT_IDNA_H

#ifdef HAVE_IDNA_H
#include <idna.h>
#elif defined(HAVE_IDN_IDNA_H)
#include <idn/idna.h>
#endif

struct Envelope;
struct Address;

#define MI_MAY_BE_IRREVERSIBLE (1 << 0)

/* Work around incompatibilities in the libidn API */

#ifdef HAVE_LIBIDN
#if (!defined(HAVE_IDNA_TO_ASCII_8Z) && defined(HAVE_IDNA_TO_ASCII_FROM_UTF8))
#define idna_to_ascii_8z(a, b, c)                                              \
  idna_to_ascii_from_utf8(a, b, (c) &1, ((c) &2) ? 1 : 0)
#endif
#if (!defined(HAVE_IDNA_TO_ASCII_LZ) && defined(HAVE_IDNA_TO_ASCII_FROM_LOCALE))
#define idna_to_ascii_lz(a, b, c)                                              \
  idna_to_ascii_from_locale(a, b, (c) &1, ((c) &2) ? 1 : 0)
#endif
#if (!defined(HAVE_IDNA_TO_UNICODE_8Z8Z) && defined(HAVE_IDNA_TO_UNICODE_UTF8_FROM_UTF8))
#define idna_to_unicode_8z8z(a, b, c)                                          \
  idna_to_unicode_utf8_from_utf8(a, b, (c) &1, ((c) &2) ? 1 : 0)
#endif
#endif /* HAVE_LIBIDN */

int mutt_addrlist_to_intl(struct Address *a, char **err);
int mutt_addrlist_to_local(struct Address *a);

void mutt_env_to_local(struct Envelope *e);
int mutt_env_to_intl(struct Envelope *env, char **tag, char **err);

const char *mutt_addr_for_display(struct Address *a);

#endif /* _MUTT_IDNA_H */