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/*
* The segment table functions
*
* Copyright (c) 2010-2013, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This software is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined( _LIBMFDATA_INTERNAL_SEGMENT_TABLE_H )
#define _LIBMFDATA_INTERNAL_SEGMENT_TABLE_H
#include <common.h>
#include <types.h>
#include "libmfdata_extern.h"
#include "libmfdata_libbfio.h"
#include "libmfdata_libcdata.h"
#include "libmfdata_libcerror.h"
#include "libmfdata_types.h"
#if defined( __cplusplus )
extern "C" {
#endif
typedef struct libmfdata_internal_segment_table libmfdata_internal_segment_table_t;
struct libmfdata_internal_segment_table
{
/* The current segment index
*/
int segment_index;
/* The current value offset
*/
off64_t value_offset;
/* The value size
*/
size64_t value_size;
/* The maximum segment size
*/
size64_t maximum_segment_size;
/* The segments (array)
*/
libcdata_array_t *segments;
/* The flags
*/
uint8_t flags;
/* The io handle
*/
intptr_t *io_handle;
/* The free IO handle function
*/
int (*free_io_handle)(
intptr_t **io_handle,
libcerror_error_t **error );
/* The clone (duplicate) IO handle function
*/
int (*clone_io_handle)(
intptr_t **destination_io_handle,
intptr_t *source_io_handle,
libcerror_error_t **error );
/* The set segment name function
*/
int (*set_segment_name)(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
libcerror_error_t **error );
/* The read segment data function
*/
ssize_t (*read_segment_data)(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
uint8_t *segment_data,
size_t segment_data_size,
libcerror_error_t **error );
/* The write segment data function
*/
ssize_t (*write_segment_data)(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
const uint8_t *segment_data,
size_t segment_data_size,
libcerror_error_t **error );
/* The seek segment offset function
*/
off64_t (*seek_segment_offset)(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
off64_t segment_offset,
int whence,
libcerror_error_t **error );
};
LIBMFDATA_EXTERN \
int libmfdata_segment_table_initialize(
libmfdata_segment_table_t **segment_table,
intptr_t *io_handle,
int (*free_io_handle)(
intptr_t **io_handle,
libcerror_error_t **error ),
int (*clone_io_handle)(
intptr_t **destination_io_handle,
intptr_t *source_io_handle,
libcerror_error_t **error ),
int (*set_segment_name)(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
libcerror_error_t **error ),
ssize_t (*read_segment_data)(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
uint8_t *segment_data,
size_t segment_data_size,
libcerror_error_t **error ),
ssize_t (*write_segment_data)(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
const uint8_t *segment_data,
size_t segment_data_size,
libcerror_error_t **error ),
off64_t (*seek_segment_offset)(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
off64_t segment_offset,
int whence,
libcerror_error_t **error ),
uint8_t flags,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_free(
libmfdata_segment_table_t **segment_table,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_clone(
libmfdata_segment_table_t **destination_segment_table,
libmfdata_segment_table_t *source_segment_table,
libcerror_error_t **error );
int libmfdata_segment_table_clone_segments(
libmfdata_segment_table_t *destination_segment_table,
libmfdata_segment_table_t *source_segment_table,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_empty(
libmfdata_segment_table_t *segment_table,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_get_value_offset(
libmfdata_segment_table_t *segment_table,
off64_t *value_offset,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_get_value_size(
libmfdata_segment_table_t *segment_table,
size64_t *value_size,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_get_maximum_segment_size(
libmfdata_segment_table_t *segment_table,
size64_t *maximum_segment_size,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_set_maximum_segment_size(
libmfdata_segment_table_t *segment_table,
size64_t maximum_segment_size,
libcerror_error_t **error );
/* Segment functions
*/
LIBMFDATA_EXTERN \
int libmfdata_segment_table_resize(
libmfdata_segment_table_t *segment_table,
int number_of_segments,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_get_number_of_segments(
libmfdata_segment_table_t *segment_table,
int *number_of_segments,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_get_segment_by_index(
libmfdata_segment_table_t *segment_table,
int segment_index,
libmfdata_segment_t **segment,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_get_segment_at_value_offset(
libmfdata_segment_table_t *segment_table,
off64_t value_offset,
int *segment_index,
libmfdata_segment_t **segment,
off64_t *segment_offset,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_set_segment_by_index(
libmfdata_segment_table_t *segment_table,
int segment_index,
int file_io_pool_entry,
size64_t segment_size,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_append_segment(
libmfdata_segment_table_t *segment_table,
int *segment_index,
int file_io_pool_entry,
size64_t segment_size,
libcerror_error_t **error );
/* Input/Output functions
*/
LIBMFDATA_EXTERN \
ssize_t libmfdata_segment_table_read_segment_data(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
uint8_t *segment_data,
size_t segment_data_size,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
ssize_t libmfdata_segment_table_write_segment_data(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
const uint8_t *segment_data,
size_t segment_data_size,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
off64_t libmfdata_segment_table_seek_segment_offset(
intptr_t *io_handle,
libbfio_handle_t *file_io_handle,
int segment_index,
off64_t segment_offset,
int whence,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
ssize_t libmfdata_segment_table_read_buffer(
libmfdata_segment_table_t *segment_table,
libbfio_pool_t *file_io_pool,
uint8_t *buffer,
size_t buffer_size,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
ssize_t libmfdata_segment_table_write_buffer(
libmfdata_segment_table_t *segment_table,
libbfio_pool_t *file_io_pool,
const uint8_t *buffer,
size_t buffer_size,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
off64_t libmfdata_segment_table_seek_offset(
libmfdata_segment_table_t *segment_table,
libbfio_pool_t *file_io_pool,
off64_t offset,
int whence,
libcerror_error_t **error );
LIBMFDATA_EXTERN \
int libmfdata_segment_table_get_file_io_handle(
libmfdata_segment_table_t *segment_table,
libbfio_pool_t *file_io_pool,
libbfio_handle_t **file_io_handle,
libcerror_error_t **error );
#if defined( __cplusplus )
}
#endif
#endif
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