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libewf_segment_table.h
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libewf_segment_table.h
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/*
* libewf segment table
*
* Copyright (c) 2006-2007, Joachim Metz <forensics@hoffmannbv.nl>,
* Hoffmann Investigations. All rights reserved.
*
* Refer to AUTHORS for acknowledgements.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the creator, related organisations, nor the names of
* its contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* - All advertising materials mentioning features or use of this software
* must acknowledge the contribution by people stated in the acknowledgements.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER, COMPANY AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LIBEWF_SEGMENT_TABLE_H
#define _LIBEWF_SEGMENT_TABLE_H
#include "libewf_includes.h"
#include "libewf_char.h"
#include "libewf_section_list.h"
#ifdef __cplusplus
extern "C" {
#endif
#define LIBEWF_SEGMENT_TABLE libewf_segment_table_t
#define LIBEWF_SEGMENT_TABLE_SIZE sizeof( LIBEWF_SEGMENT_TABLE )
#if defined( HAVE_WIDE_CHARACTER_TYPE ) && defined( HAVE_WIDE_CHARACTER_SUPPORT_FUNCTIONS )
#define LIBEWF_SEGMENT_TABLE_FILENAME_SIZE sizeof( wchar_t* )
#else
#define LIBEWF_SEGMENT_TABLE_FILENAME_SIZE sizeof( char* )
#endif
#define LIBEWF_SEGMENT_TABLE_FILE_DESCRIPTOR_SIZE sizeof( int )
#define LIBEWF_SEGMENT_TABLE_FILE_OFFSET_SIZE sizeof( off_t )
#define LIBEWF_SEGMENT_TABLE_AMOUNT_OF_CHUNKS_SIZE sizeof( uint32_t )
#define LIBEWF_SEGMENT_TABLE_SECTION_LIST_SIZE sizeof( LIBEWF_SECTION_LIST )
typedef struct libewf_segment_table libewf_segment_table_t;
struct libewf_segment_table
{
/* The amount of segments in the table
* consists of 2 bytes (16 bits) containing
*/
uint16_t amount;
/* A dynamic array containting the filenames
*/
#if defined( HAVE_WIDE_CHARACTER_TYPE ) && defined( HAVE_WIDE_CHARACTER_SUPPORT_FUNCTIONS )
wchar_t **filename;
#else
char **filename;
#endif
/* A dynamic array containting the file descriptors
*/
int *file_descriptor;
/* A dynamic array containting the file offsets
*/
off_t *file_offset;
/* A dynamic array containting the amount of chunks per segment file
*/
uint32_t *amount_of_chunks;
/* A list of all the sections within a certain segment file
*/
LIBEWF_SECTION_LIST **section_list;
};
LIBEWF_SEGMENT_TABLE *libewf_segment_table_alloc( uint16_t amount );
LIBEWF_SEGMENT_TABLE *libewf_segment_table_realloc( LIBEWF_SEGMENT_TABLE *segment_table, uint16_t amount );
void libewf_segment_table_free( LIBEWF_SEGMENT_TABLE *segment_table );
uint8_t libewf_segment_table_values_is_set( LIBEWF_SEGMENT_TABLE *segment_table, uint16_t segment );
#if defined( HAVE_WIDE_CHARACTER_TYPE ) && defined( HAVE_WIDE_CHARACTER_SUPPORT_FUNCTIONS )
wchar_t *libewf_segment_table_get_wide_filename( LIBEWF_SEGMENT_TABLE *segment_table, uint16_t segment );
#else
char *libewf_segment_table_get_filename( LIBEWF_SEGMENT_TABLE *segment_table, uint16_t segment );
#endif
int libewf_segment_table_get_file_descriptor( LIBEWF_SEGMENT_TABLE *segment_table, uint16_t segment );
#if defined( HAVE_WIDE_CHARACTER_TYPE ) && defined( HAVE_WIDE_CHARACTER_SUPPORT_FUNCTIONS )
int8_t libewf_segment_table_set_wide_filename( LIBEWF_SEGMENT_TABLE *segment_table, uint16_t segment, const wchar_t *filename, size_t length_filename );
#else
int8_t libewf_segment_table_set_filename( LIBEWF_SEGMENT_TABLE *segment_table, uint16_t segment, const char *filename, size_t length_filename );
#endif
int8_t libewf_segment_table_set_file_descriptor( LIBEWF_SEGMENT_TABLE *segment_table, uint16_t segment, int file_descriptor );
#ifdef __cplusplus
}
#endif
#endif

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