/*

 * Portions Copyright (C) Internet Systems Consortium, Inc. ("ISC")

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * See the COPYRIGHT file distributed with this work for additional

 * information regarding copyright ownership.

 *

 * Portions Copyright (C) 2001 Nominum, Inc.

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NOMINUM DISCLAIMS ALL

 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY

 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */

/*! \file */

#include <config.h>

#include <isc/base64.h>

#include <isc/buffer.h>

#include <isc/region.h>

#include <isc/result.h>

#include <isccc/base64.h>

#include <isccc/result.h>

#include <isccc/util.h>

isc_result_t

isccc_base64_encode(isccc_region_t *source, int wordlength,

		  const char *wordbreak, isccc_region_t *target)

{

	isc_region_t sr;

	isc_buffer_t tb;

	isc_result_t result;

	sr.base = source->rstart;

	sr.length = (unsigned int)(source->rend - source->rstart);

	isc_buffer_init(&tb, target->rstart,

			(unsigned int)(target->rend - target->rstart));

	result = isc_base64_totext(&sr, wordlength, wordbreak, &tb);

	if (result != ISC_R_SUCCESS)

		return (result);

	source->rstart = source->rend;

	target->rstart = isc_buffer_used(&tb);

	return (ISC_R_SUCCESS);

}

isc_result_t

isccc_base64_decode(const char *cstr, isccc_region_t *target) {

	isc_buffer_t b;

	isc_result_t result;

	isc_buffer_init(&b, target->rstart,

			(unsigned int)(target->rend - target->rstart));

	result = isc_base64_decodestring(cstr, &b);

	if (result != ISC_R_SUCCESS)

		return (result);

	target->rstart = isc_buffer_used(&b);

	return (ISC_R_SUCCESS);

}