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

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

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

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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

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

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

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

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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES

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

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

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

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

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

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#ifndef ISCCC_BASE64_H

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#define ISCCC_BASE64_H 1

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/*! \file isccc/base64.h */

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#include <isc/lang.h>

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#include <isccc/types.h>

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ISC_LANG_BEGINDECLS

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/***

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*** Functions

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***/

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isc_result_t

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isccc_base64_encode(isccc_region_t *source, int wordlength,

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const char *wordbreak, isccc_region_t *target);

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/*%<

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* Convert data into base64 encoded text.

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* Notes:

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*\li The base64 encoded text in 'target' will be divided into

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* words of at most 'wordlength' characters, separated by

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* the 'wordbreak' string. No parentheses will surround

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* the text.

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* Requires:

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*\li 'source' is a region containing binary data.

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*\li 'target' is a text region containing available space.

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*\li 'wordbreak' points to a null-terminated string of

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* zero or more whitespace characters.

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isc_result_t

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

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/*%<

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* Decode a null-terminated base64 string.

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* Requires:

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*\li 'cstr' is non-null.

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*\li 'target' is a valid region.

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* Returns:

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*\li #ISC_R_SUCCESS -- the entire decoded representation of 'cstring'

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* fit in 'target'.

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*\li #ISC_R_BADBASE64 -- 'cstr' is not a valid base64 encoding.

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*\li #ISC_R_NOSPACE -- 'target' is not big enough.

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ISC_LANG_ENDDECLS

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#endif /* ISCCC_BASE64_H */

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