| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #ifndef __UTIL_BASE64_H |
| #define __UTIL_BASE64_H |
| |
| #include <stdint.h> |
| #include <string.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * base64_decoder: used for decoding chunked data. All public fields must be |
| * initialized before use. |
| */ |
| struct base64_decoder { |
| /*** public */ |
| const char *src; |
| void *dst; |
| int src_len; /* <=0 if src ends with '\0' */ |
| int dst_len; /* <=0 if dst unbounded */ |
| |
| /*** private */ |
| char buf[4]; |
| int buf_len; |
| }; |
| |
| int base64_encode(const void *, int, char *, uint8_t); |
| int base64_decode(const char *, void *buf); |
| int base64_pad(char *, int); |
| int base64_decode_len(const char *str); |
| int base64_decode_maxlen(const char *str, void *data, int len); |
| |
| /** |
| * Decodes base64 data using the provided decoder. |
| */ |
| int base64_decoder_go(struct base64_decoder *dec); |
| |
| #define BASE64_ENCODE_SIZE(__size) (((((__size) - 1) / 3) * 4) + 4) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __UTIL_BASE64_H__ */ |