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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed 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 GRPC_CORE_LIB_SLICE_B64_H
#define GRPC_CORE_LIB_SLICE_B64_H
#include <grpc/slice.h>
/* Encodes data using base64. It is the caller's responsability to free
the returned char * using gpr_free. Returns NULL on NULL input.
TODO(makdharma) : change the flags to bool from int */
char* grpc_base64_encode(const void* data, size_t data_size, int url_safe,
int multiline);
/* estimate the upper bound on size of base64 encoded data. The actual size
* is guaranteed to be less than or equal to the size returned here. */
size_t grpc_base64_estimate_encoded_size(size_t data_size, int url_safe,
int multiline);
/* Encodes data using base64 and write it to memory pointed to by result. It is
* the caller's responsiblity to allocate enough memory in |result| to fit the
* encoded data. */
void grpc_base64_encode_core(char* result, const void* vdata, size_t data_size,
int url_safe, int multiline);
/* Decodes data according to the base64 specification. Returns an empty
slice in case of failure. */
grpc_slice grpc_base64_decode(grpc_exec_ctx* exec_ctx, const char* b64,
int url_safe);
/* Same as above except that the length is provided by the caller. */
grpc_slice grpc_base64_decode_with_len(grpc_exec_ctx* exec_ctx, const char* b64,
size_t b64_len, int url_safe);
#endif /* GRPC_CORE_LIB_SLICE_B64_H */
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