1 /* 2 * Fork descriptor functions 3 * 4 * Copyright (C) 2009-2021, Joachim Metz <joachim.metz@gmail.com> 5 * 6 * Refer to AUTHORS for acknowledgements. 7 * 8 * This program 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 program 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 program. If not, see <https://www.gnu.org/licenses/>. 20 */ 21 22 #if !defined( _LIBFSHFS_FORK_DESCRIPTOR_H ) 23 #define _LIBFSHFS_FORK_DESCRIPTOR_H 24 25 #include <common.h> 26 #include <types.h> 27 28 #include "libfshfs_libcdata.h" 29 #include "libfshfs_libcerror.h" 30 31 #if defined( __cplusplus ) 32 extern "C" { 33 #endif 34 35 typedef struct libfshfs_fork_descriptor libfshfs_fork_descriptor_t; 36 37 struct libfshfs_fork_descriptor 38 { 39 /* The (logical) size 40 */ 41 uint64_t size; 42 43 /* The number of blocks 44 */ 45 uint32_t number_of_blocks; 46 47 /* The extents 48 */ 49 uint32_t extents[ 8 ][ 2 ]; 50 51 /* The number of blocks in the extents 52 */ 53 uint32_t number_of_blocks_in_extents; 54 }; 55 56 int libfshfs_fork_descriptor_initialize( 57 libfshfs_fork_descriptor_t **fork_descriptor, 58 libcerror_error_t **error ); 59 60 int libfshfs_fork_descriptor_free( 61 libfshfs_fork_descriptor_t **fork_descriptor, 62 libcerror_error_t **error ); 63 64 int libfshfs_fork_descriptor_clone( 65 libfshfs_fork_descriptor_t **destination_fork_descriptor, 66 libfshfs_fork_descriptor_t *source_fork_descriptor, 67 libcerror_error_t **error ); 68 69 int libfshfs_fork_descriptor_read_data( 70 libfshfs_fork_descriptor_t *fork_descriptor, 71 const uint8_t *data, 72 size_t data_size, 73 libcerror_error_t **error ); 74 75 int libfshfs_fork_descriptor_has_extents_overflow( 76 libfshfs_fork_descriptor_t *fork_descriptor, 77 libcerror_error_t **error ); 78 79 int libfshfs_fork_descriptor_get_extents( 80 libfshfs_fork_descriptor_t *fork_descriptor, 81 libcdata_array_t *extents, 82 libcerror_error_t **error ); 83 84 #if defined( __cplusplus ) 85 } 86 #endif 87 88 #endif /* !defined( _LIBFSHFS_FORK_DESCRIPTOR_H ) */ 89 90