1 /* 2 * The cache functions 3 * 4 * Copyright (C) 2010-2017, Joachim Metz <joachim.metz@gmail.com> 5 * 6 * Refer to AUTHORS for acknowledgements. 7 * 8 * This software is free software: you can redistribute it and/or modify 9 * it under the terms of the GNU Lesser General Public License as published by 10 * the Free Software Foundation, either version 3 of the License, or 11 * (at your option) any later version. 12 * 13 * This software is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public License 19 * along with this software. If not, see <http://www.gnu.org/licenses/>. 20 */ 21 22 #if !defined( _LIBFCACHE_INTERNAL_CACHE_H ) 23 #define _LIBFCACHE_INTERNAL_CACHE_H 24 25 #include <common.h> 26 #include <types.h> 27 28 #include "libfcache_cache_value.h" 29 #include "libfcache_date_time.h" 30 #include "libfcache_extern.h" 31 #include "libfcache_libcdata.h" 32 #include "libfcache_libcerror.h" 33 #include "libfcache_types.h" 34 35 #if defined( __cplusplus ) 36 extern "C" { 37 #endif 38 39 typedef struct libfcache_internal_cache libfcache_internal_cache_t; 40 41 struct libfcache_internal_cache 42 { 43 /* The cache entries (array) 44 */ 45 libcdata_array_t *entries; 46 47 /* The number of cache values 48 */ 49 int number_of_cache_values; 50 }; 51 52 LIBFCACHE_EXTERN \ 53 int libfcache_cache_initialize( 54 libfcache_cache_t **cache, 55 int maximum_cache_entries, 56 libcerror_error_t **error ); 57 58 LIBFCACHE_EXTERN \ 59 int libfcache_cache_free( 60 libfcache_cache_t **cache, 61 libcerror_error_t **error ); 62 63 LIBFCACHE_EXTERN \ 64 int libfcache_cache_empty( 65 libfcache_cache_t *cache, 66 libcerror_error_t **error ); 67 68 LIBFCACHE_EXTERN \ 69 int libfcache_cache_clone( 70 libfcache_cache_t **destination_cache, 71 libfcache_cache_t *source_cache, 72 libcerror_error_t **error ); 73 74 LIBFCACHE_EXTERN \ 75 int libfcache_cache_resize( 76 libfcache_cache_t *cache, 77 int maximum_cache_entries, 78 libcerror_error_t **error ); 79 80 LIBFCACHE_EXTERN \ 81 int libfcache_cache_get_number_of_entries( 82 libfcache_cache_t *cache, 83 int *number_of_entries, 84 libcerror_error_t **error ); 85 86 LIBFCACHE_EXTERN \ 87 int libfcache_cache_get_number_of_cache_values( 88 libfcache_cache_t *cache, 89 int *number_of_values, 90 libcerror_error_t **error ); 91 92 /* Cache value functions 93 */ 94 LIBFCACHE_EXTERN \ 95 int libfcache_cache_get_value_by_index( 96 libfcache_cache_t *cache, 97 int cache_entry_index, 98 libfcache_cache_value_t **cache_value, 99 libcerror_error_t **error ); 100 101 LIBFCACHE_EXTERN \ 102 int libfcache_cache_set_value_by_index( 103 libfcache_cache_t *cache, 104 int cache_entry_index, 105 int file_index, 106 off64_t offset, 107 time_t timestamp, 108 intptr_t *value, 109 int (*free_value)( 110 intptr_t **value, 111 libcerror_error_t **error ), 112 uint8_t flags, 113 libcerror_error_t **error ); 114 115 #if defined( __cplusplus ) 116 } 117 #endif 118 119 #endif /* !defined( _LIBFCACHE_INTERNAL_CACHE_H ) */ 120 121