src/transports/utils/base64.h

/*
    Copyright (c) 2014 Wirebird Labs LLC.  All rights reserved.

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"),
    to deal in the Software without restriction, including without limitation
    the rights to use, copy, modify, merge, publish, distribute, sublicense,
    and/or sell copies of the Software, and to permit persons to whom
    the Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included
    in all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
    IN THE SOFTWARE.
*/

#ifndef NN_BASE64_INCLUDED
#define NN_BASE64_INCLUDED

#include "../../utils/err.h"

#include <stddef.h>
#include <stdint.h>

/*  Based on base64.c (Public Domain) by Jon Mayo.
    Base64 is defined in RFC 2045, section 6.8. */

/*  This function encodes an arbitrary byte array into base64
    null-terminated string. */
int nn_base64_encode (const uint8_t *in, size_t in_len,
    char *out, size_t out_len);

/*  This function decodes a base64 string into supplied buffer. */
int nn_base64_decode (const char *in, size_t in_len,
    uint8_t *out, size_t out_len);

#endif