/*
* 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 https://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.
*/
#ifndef ISCCC_BASE64_H
#define ISCCC_BASE64_H 1
/*! \file isccc/base64.h */
#include <isc/lang.h>
#include <isccc/types.h>
ISC_LANG_BEGINDECLS
/***
*** Functions
***/
isc_result_t
isccc_base64_encode(isccc_region_t *source, int wordlength,
const char *wordbreak, isccc_region_t *target);
/*%<
* Convert data into base64 encoded text.
*
* Notes:
*\li The base64 encoded text in 'target' will be divided into
* words of at most 'wordlength' characters, separated by
* the 'wordbreak' string. No parentheses will surround
* the text.
*
* Requires:
*\li 'source' is a region containing binary data.
*\li 'target' is a text region containing available space.
*\li 'wordbreak' points to a null-terminated string of
* zero or more whitespace characters.
*/
isc_result_t
isccc_base64_decode(const char *cstr, isccc_region_t *target);
/*%<
* Decode a null-terminated base64 string.
*
* Requires:
*\li 'cstr' is non-null.
*\li 'target' is a valid region.
*
* Returns:
*\li #ISC_R_SUCCESS -- the entire decoded representation of 'cstring'
* fit in 'target'.
*\li #ISC_R_BADBASE64 -- 'cstr' is not a valid base64 encoding.
*\li #ISC_R_NOSPACE -- 'target' is not big enough.
*/
ISC_LANG_ENDDECLS
#endif /* ISCCC_BASE64_H */
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