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libsmdev_handle.h
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libsmdev_handle.h
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/*
* Handle functions
*
* Copyright (c) 2010-2012, Joachim Metz <jbmetz@users.sourceforge.net>
*
* 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( _LIBSMDEV_INTERNAL_HANDLE_H )
#define _LIBSMDEV_INTERNAL_HANDLE_H
#include <common.h>
#include <types.h>
#include <libcstring.h>
#include <liberror.h>
#include "libsmdev_array_type.h"
#include "libsmdev_extern.h"
#include "libsmdev_offset_list.h"
#include "libsmdev_types.h"
#if defined( _MSC_VER ) || defined( __BORLANDC__ )
/* This inclusion is needed otherwise some linkers
* mess up exporting the legacy functions
*/
#include "libsmdev_legacy.h"
#endif
#if defined( __cplusplus )
extern "C" {
#endif
typedef struct libsmdev_internal_handle libsmdev_internal_handle_t;
struct libsmdev_internal_handle
{
/* The device filename
*/
libcstring_system_character_t *filename;
/* The device filename size
*/
size_t filename_size;
#if defined( WINAPI )
/* The device file handle
*/
HANDLE file_handle;
#else
/* The device file descriptor
*/
int file_descriptor;
#endif
/* The current offset
*/
off64_t offset;
/* The number of bytes per sector
*/
uint32_t bytes_per_sector;
/* Value to indicate the bytes per sector value was set
*/
uint8_t bytes_per_sector_set;
/* The media size
*/
size64_t media_size;
/* Value to indicate the media size value was set
*/
uint8_t media_size_set;
/* The bus type
*/
uint8_t bus_type;
/* The device type
*/
uint8_t device_type;
/* Value to indicate if the device is removable
*/
uint8_t removable;
/* The vendor string
*/
libcstring_character_t vendor[ 64 ];
/* The model string
*/
libcstring_character_t model[ 64 ];
/* The serial number string
*/
libcstring_character_t serial_number[ 64 ];
/* The tracks array
*/
libsmdev_array_t *tracks_array;
/* The sessions array
*/
libsmdev_array_t *sessions_array;
/* The lead-outs array
*/
libsmdev_array_t *lead_outs_array;
/* Value to indicate the media information values were set
*/
uint8_t media_information_set;
/* The number of read/write error retries
*/
uint8_t number_of_error_retries;
/* The error granularity
*/
size_t error_granularity;
/* The read/write error flags
*/
uint8_t error_flags;
/* The read/write errors offset list
*/
libsmdev_offset_list_t *errors;
/* Value to indicate if abort was signalled
*/
int abort;
};
LIBSMDEV_EXTERN \
int libsmdev_handle_initialize(
libsmdev_handle_t **handle,
liberror_error_t **error );
LIBSMDEV_EXTERN \
int libsmdev_handle_free(
libsmdev_handle_t **handle,
liberror_error_t **error );
LIBSMDEV_EXTERN \
int libsmdev_handle_signal_abort(
libsmdev_handle_t *handle,
liberror_error_t **error );
LIBSMDEV_EXTERN \
int libsmdev_handle_open(
libsmdev_handle_t *handle,
char * const filenames[],
int number_of_filenames,
int access_flags,
liberror_error_t **error );
#if defined( HAVE_WIDE_CHARACTER_TYPE )
LIBSMDEV_EXTERN \
int libsmdev_handle_open_wide(
libsmdev_handle_t *handle,
wchar_t * const filenames[],
int number_of_filenames,
int access_flags,
liberror_error_t **error );
#endif
LIBSMDEV_EXTERN \
int libsmdev_handle_close(
libsmdev_handle_t *handle,
liberror_error_t **error );
LIBSMDEV_EXTERN \
ssize_t libsmdev_handle_read_buffer(
libsmdev_handle_t *handle,
void *buffer,
size_t buffer_size,
liberror_error_t **error );
LIBSMDEV_EXTERN \
ssize_t libsmdev_handle_write_buffer(
libsmdev_handle_t *handle,
void *buffer,
size_t buffer_size,
liberror_error_t **error );
#if defined( WINAPI ) && ( WINVER < 0x0500 )
BOOL libsmdev_SetFilePointerEx(
HANDLE file_handle,
LARGE_INTEGER distance_to_move_large_integer,
LARGE_INTEGER *new_file_pointer_large_integer,
DWORD move_method );
#endif
LIBSMDEV_EXTERN \
off64_t libsmdev_handle_seek_offset(
libsmdev_handle_t *handle,
off64_t offset,
int whence,
liberror_error_t **error );
LIBSMDEV_EXTERN \
int libsmdev_handle_get_offset(
libsmdev_handle_t *handle,
off64_t *offset,
liberror_error_t **error );
LIBSMDEV_EXTERN \
int libsmdev_handle_get_filename_size(
libsmdev_handle_t *handle,
size_t *filename_size,
liberror_error_t **error );
LIBSMDEV_EXTERN \
int libsmdev_handle_get_filename(
libsmdev_handle_t *handle,
char *filename,
size_t filename_size,
liberror_error_t **error );
int libsmdev_handle_set_filename(
libsmdev_handle_t *handle,
const char *filename,
size_t filename_length,
liberror_error_t **error );
#if defined( HAVE_WIDE_CHARACTER_TYPE )
LIBSMDEV_EXTERN \
int libsmdev_handle_get_filename_size_wide(
libsmdev_handle_t *handle,
size_t *filename_size,
liberror_error_t **error );
LIBSMDEV_EXTERN \
int libsmdev_handle_get_filename_wide(
libsmdev_handle_t *handle,
wchar_t *filename,
size_t filename_size,
liberror_error_t **error );
int libsmdev_handle_set_filename_wide(
libsmdev_handle_t *handle,
const wchar_t *filename,
size_t filename_length,
liberror_error_t **error );
#endif
int libsmdev_file_exists(
const char *filename,
liberror_error_t **error );
#if defined( HAVE_WIDE_CHARACTER_TYPE )
int libsmdev_file_exists_wide(
const wchar_t *filename,
liberror_error_t **error );
#endif
#if defined( __cplusplus )
}
#endif
#endif

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