netsurf/utils/idna.h

60 lines
1.9 KiB
C

/*
* Copyright 2014 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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/>.
*/
/** \file
* NetSurf international domain name handling (interface).
*/
#ifndef _NETSURF_UTILS_IDNA_H_
#define _NETSURF_UTILS_IDNA_H_
/**
* Unicode canonical combining class for virama
*/
#define IDNA_UNICODE_CCC_VIRAMA 9
/**
* Convert a hostname to an ACE version suitable for DNS lookup
*
* \param host String containing host
* \param len Length of host string
* \param ace_host Pointer to update with the output
* \param ace_len Pointer to update with length of ace_host
* \return NSERROR_OK on success, appropriate error otherwise
*
* If return value != NSERROR_OK, output will be left untouched.
*/
nserror idna_encode(const char *host, size_t len, char **ace_host, size_t *ace_len);
/**
* Convert a hostname from ACE to UTF-8 suitable for display
*
* \param ace_host String containing host
* \param ace_len Length of host string
* \param host Pointer to update with the output
* \param host_len Pointer to update with length of host
* \return NSERROR_OK on success, appropriate error otherwise
*
* If return value != NSERROR_OK, output will be left untouched.
*/
nserror idna_decode(const char *ace_host, size_t ace_len, char **host, size_t *host_len);
#endif