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base64 service

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This commit is contained in:
Sergei Golubchik
2017-03-06 17:05:03 +01:00
parent 70a2efde03
commit 051851b9a6
18 changed files with 193 additions and 69 deletions
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include/mysql/service_base64.h Normal file
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#ifndef MYSQL_SERVICE_BASE64_INCLUDED
/* Copyright (c) 2017, MariaDB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 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 */
/**
@file
my base64 service
Functions for base64 en- and decoding
*/
#ifdef __cplusplus
extern "C" {
#endif
#ifndef MYSQL_ABI_CHECK
#include <stdlib.h>
#endif
/* Allow multuple chunks 'AAA= AA== AA==', binlog uses this */
#define MY_BASE64_DECODE_ALLOW_MULTIPLE_CHUNKS 1
extern struct base64_service_st {
int (*base64_needed_encoded_length_ptr)(int length_of_data);
int (*base64_encode_max_arg_length_ptr)(void);
int (*base64_needed_decoded_length_ptr)(int length_of_encoded_data);
int (*base64_decode_max_arg_length_ptr)();
int (*base64_encode_ptr)(const void *src, size_t src_len, char *dst);
int (*base64_decode_ptr)(const char *src, size_t src_len,
void *dst, const char **end_ptr, int flags);
} *base64_service;
#ifdef MYSQL_DYNAMIC_PLUGIN
#define base64_needed_encoded_length(A) base64_service->base64_needed_encoded_length_ptr(A)
#define base64_encode_max_arg_length() base64_service->base64_encode_max_arg_length_ptr()
#define base64_needed_decoded_length(A) base64_service->base64_needed_decoded_length_ptr(A)
#define base64_decode_max_arg_length() base64_service->base64_decode_max_arg_length_ptr()
#define base64_encode(A,B,C) base64_service->base64_encode_ptr(A,B,C)
#define base64_decode(A,B,C,D,E) base64_service->base64_decode_ptr(A,B,C,D,E)
#else
/* Calculate how much memory needed for dst of base64_encode() */
int base64_needed_encoded_length(int length_of_data);
/* Maximum length base64_encode_needed_length() can accept with no overflow. */
int base64_encode_max_arg_length(void);
/* Calculate how much memory needed for dst of base64_decode() */
int base64_needed_decoded_length(int length_of_encoded_data);
/* Maximum length base64_decode_needed_length() can accept with no overflow. */
int 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 */
int base64_decode(const char *src, size_t src_len,
void *dst, const char **end_ptr, int flags);
#endif
#ifdef __cplusplus
}
#endif
#define MYSQL_SERVICE_BASE64_INCLUDED
#endif