/usr/include/libndpi-2.2.0/libndpi/libcache.h is in libndpi-dev 2.2-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /**
* libcache.h
*
Copyright (c) 2017 William Guglielmo <william@deselmo.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*
*/
#ifndef __DESELMO_LIBCACHE_H__
#define __DESELMO_LIBCACHE_H__
#include <stdint.h>
/**
* @brief Codes representing the result of some functions
*
*/
typedef enum cache_result {
CACHE_NO_ERROR = 0, /**< Returned by a function if no error occurs. */
CACHE_CONTAINS_FALSE = 0, /**< Returned by function cache_contains if item is not present. */
CACHE_CONTAINS_TRUE, /**< Returned by function cache_contains if item is present. */
CACHE_INVALID_INPUT, /**< Returned by a function if it is called with invalid input parameters. */
CACHE_REMOVE_NOT_FOUND, /**< Returned by function cache_remove if item is not present. */
CACHE_MALLOC_ERROR /**< Returned by a function if a malloc fail. */
} cache_result;
typedef struct cache *cache_t;
/**
* @brief Returns a new cache_t
*
* @par cache_max_size = max number of item that the new cache_t can contain
* @return a new cache_t, or NULL if an error occurred
*
*/
cache_t cache_new(uint32_t cache_max_size);
/**
* @brief Add an item in the specified cache_t
*
* @par cache = the cache_t
* @par item = pointer to the item to add
* @par item_size = size of the item
* @return a code representing the result of the function
*
*/
cache_result cache_add(cache_t cache, void *item, uint32_t item_size);
/**
* @brief Check if an item is in the specified cache_t
*
* @par cache = the cache_t
* @par item = pointer to the item to check
* @par item_size = size of the item
* @return a code representing the result of the function
*
*/
cache_result cache_contains(cache_t cache, void *item, uint32_t item_size);
/**
* @brief Remove an item in the specified cache_t
*
* @par cache = the cache_t
* @par item = pointer to the item to remove
* @par item_size = size of the item
* @return a code representing the result of the function
*
*/
cache_result cache_remove(cache_t cache, void *item, uint32_t item_size);
/**
* @brief Free the specified cache_t
*
* @par alist = the cache
*
*/
void cache_free(cache_t cache);
#endif
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