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/* Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
This program 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, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef __BASE64_H_INCLUDED__
#define __BASE64_H_INCLUDED__
/**
@file include/base64.h
*/
#include <stddef.h>
#include "my_inttypes.h"
/*
Calculate how much memory needed for dst of base64_encode()
*/
uint64 base64_needed_encoded_length(uint64 length_of_data);
/*
Maximum length base64_encode_needed_length() can accept with no overflow.
*/
uint64 base64_encode_max_arg_length(void);
/*
Calculate how much memory needed for dst of base64_decode()
*/
uint64 base64_needed_decoded_length(uint64 length_of_encoded_data);
/*
Maximum length base64_decode_needed_length() can accept with no overflow.
*/
uint64 base64_decode_max_arg_length();
/*
Encode data as a base64 string
*/
int base64_encode(const void *src, size_t src_len, char *dst);
/*
Decode a base64 string into data
*/
int64 base64_decode(const char *src, size_t src_len, void *dst,
const char **end_ptr, int flags);
/* Allow multuple chunks 'AAA= AA== AA==', binlog uses this */
#define MY_BASE64_DECODE_ALLOW_MULTIPLE_CHUNKS 1
#endif /* !__BASE64_H_INCLUDED__ */
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