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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_SRC_CORE_LIB_SLICE_B64_H
#define GRPC_SRC_CORE_LIB_SLICE_B64_H
#include <grpc/support/port_platform.h>
#include <stddef.h>
#include <grpc/slice.h>
// Encodes data using base64. It is the caller's responsibility 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 multiline);
// Encodes data using base64 and write it to memory pointed to by result. It is
// the caller's responsibility 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(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(const char* b64, size_t b64_len,
int url_safe);
#endif // GRPC_SRC_CORE_LIB_SLICE_B64_H
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