esp-idf/components/bt/bluedroid/osi/include/osi/hash_functions.h
Yulong 6c20bc3203 component/bt: Added the hash key generated directly in the bluedroid module.
1. Change all the hash used from the coap module to generated by the bluedroid module directly.

component/bt: Added the <string.h> include file to the gattc_co module to avoid compile error.
2018-04-28 03:11:05 -04:00

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1.2 KiB
C

/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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 _HASH_FUNCTIONS_H_
#define _HASH_FUNCTIONS_H_
#include "osi/hash_map.h"
typedef unsigned char hash_key_t[4];
hash_index_t hash_function_naive(const void *key);
hash_index_t hash_function_integer(const void *key);
// Hashes a pointer based only on its address value
hash_index_t hash_function_pointer(const void *key);
hash_index_t hash_function_string(const void *key);
void hash_function_blob(const unsigned char *s, unsigned int len, hash_key_t h);
#endif /* _HASH_FUNCTIONS_H_ */