mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
b80325604d
1. add bluedroid 1st version 2. alarm adapter 3. task semaphore lock 4. other bugs resolved
43 lines
1.3 KiB
C
Executable File
43 lines
1.3 KiB
C
Executable File
/******************************************************************************
|
|
*
|
|
* 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.
|
|
*
|
|
******************************************************************************/
|
|
|
|
#include <string.h>
|
|
|
|
#include "hash_functions.h"
|
|
|
|
hash_index_t hash_function_naive(const void *key) {
|
|
return (hash_index_t)key;
|
|
}
|
|
|
|
hash_index_t hash_function_integer(const void *key) {
|
|
return ((hash_index_t)key) * 2654435761;
|
|
}
|
|
|
|
hash_index_t hash_function_pointer(const void *key) {
|
|
return ((hash_index_t)key) * 2654435761;
|
|
}
|
|
|
|
hash_index_t hash_function_string(const void *key) {
|
|
hash_index_t hash = 5381;
|
|
const char *name = (const char *)key;
|
|
size_t string_len = strlen(name);
|
|
for (size_t i = 0; i < string_len; ++i)
|
|
hash = ((hash << 5) + hash ) + name[i];
|
|
return hash;
|
|
}
|