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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#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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