cpp/src/gandiva/hash_utils.h

// 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
//
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// software distributed under the License is distributed on an
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#ifndef ARROW_SRC_HASH_UTILS_H_
#define ARROW_SRC_HASH_UTILS_H_

#include <cstdint>
#include <cstdlib>
#include "gandiva/visibility.h"
#include "openssl/evp.h"

namespace gandiva {
GANDIVA_EXPORT
const char* gdv_hash_using_sha256(int64_t context, const void* message,
                                  size_t message_length, int32_t* out_length);

GANDIVA_EXPORT
const char* gdv_hash_using_sha1(int64_t context, const void* message,
                                size_t message_length, int32_t* out_length);

GANDIVA_EXPORT
const char* gdv_hash_using_sha(int64_t context, const void* message,
                               size_t message_length, const EVP_MD* hash_type,
                               uint32_t result_buf_size, int32_t* out_length);

GANDIVA_EXPORT
uint64_t gdv_double_to_long(double value);
}  // namespace gandiva

#endif  // ARROW_SRC_HASH_UTILS_H_