50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef BASE64_H
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#define BASE64_H
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/* Get size_t. */
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#include <stddef.h>
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/* Get bool. */
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#include <stdbool.h>
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#ifdef __cplusplus
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namespace rocketmqSignature {
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#endif
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/* This uses that the expression (n+(k-1))/k means the smallest
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integer >= n/k, i.e., the ceiling of n/k. */
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#define BASE64_LENGTH(inlen) ((((inlen) + 2) / 3) * 4)
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extern bool isbase64(char ch);
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extern void base64_encode(const char* in, size_t inlen, char* out, size_t outlen);
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extern size_t base64_encode_alloc(const char* in, size_t inlen, char** out);
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extern bool base64_decode(const char* in, size_t inlen, char* out, size_t* outlen);
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extern bool base64_decode_alloc(const char* in, size_t inlen, char** out, size_t* outlen);
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#ifdef __cplusplus
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}
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#endif
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#endif /* BASE64_H */
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