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/*
* File functions
*
* Copyright (C) 2008-2024, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This program 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 program 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 program. If not, see <https://www.gnu.org/licenses/>.
*/
#if !defined( _LIBCFILE_FILE_H )
#define _LIBCFILE_FILE_H
#include <common.h>
#include <types.h>
#include "libcfile_extern.h"
#include "libcfile_libcerror.h"
#include "libcfile_types.h"
#if defined( __cplusplus )
extern "C" {
#endif
typedef struct libcfile_internal_file libcfile_internal_file_t;
struct libcfile_internal_file
{
#if defined( WINAPI )
/* The (file) handle
*/
HANDLE handle;
/* Value to indicate the filename indicate this is a device file
*/
uint8_t is_device_filename;
/* Value to indicate asynchronous IO should be used.
*/
uint8_t use_asynchronous_io;
#else
/* The (file) descriptor
*/
int descriptor;
#endif /* defined( WINAPI ) */
/* The access flags
*/
int access_flags;
/* The size
*/
size64_t size;
/* The current offset
*/
off64_t current_offset;
/* The block size
*/
size_t block_size;
/* The block data
*/
uint8_t *block_data;
/* The block data offset
*/
size_t block_data_offset;
/* The block data size
*/
size_t block_data_size;
};
LIBCFILE_EXTERN \
int libcfile_file_initialize(
libcfile_file_t **file,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_free(
libcfile_file_t **file,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_open(
libcfile_file_t *file,
const char *filename,
int access_flags,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_open_with_error_code(
libcfile_file_t *file,
const char *filename,
int access_flags,
uint32_t *error_code,
libcerror_error_t **error );
#if defined( HAVE_WIDE_CHARACTER_TYPE )
LIBCFILE_EXTERN \
int libcfile_file_open_wide(
libcfile_file_t *file,
const wchar_t *filename,
int access_flags,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_open_wide_with_error_code(
libcfile_file_t *file,
const wchar_t *filename,
int access_flags,
uint32_t *error_code,
libcerror_error_t **error );
#endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */
LIBCFILE_EXTERN \
int libcfile_file_close(
libcfile_file_t *file,
libcerror_error_t **error );
LIBCFILE_EXTERN \
ssize_t libcfile_file_read_buffer(
libcfile_file_t *file,
uint8_t *buffer,
size_t size,
libcerror_error_t **error );
#if defined( WINAPI )
ssize_t libcfile_internal_file_read_buffer_at_offset_with_error_code(
libcfile_internal_file_t *internal_file,
off64_t current_offset,
uint8_t *buffer,
size_t size,
uint32_t *error_code,
libcerror_error_t **error );
#endif /* defined( WINAPI ) */
LIBCFILE_EXTERN \
ssize_t libcfile_file_read_buffer_with_error_code(
libcfile_file_t *file,
uint8_t *buffer,
size_t size,
uint32_t *error_code,
libcerror_error_t **error );
LIBCFILE_EXTERN \
ssize_t libcfile_file_write_buffer(
libcfile_file_t *file,
const uint8_t *buffer,
size_t size,
libcerror_error_t **error );
LIBCFILE_EXTERN \
ssize_t libcfile_file_write_buffer_with_error_code(
libcfile_file_t *file,
const uint8_t *buffer,
size_t size,
uint32_t *error_code,
libcerror_error_t **error );
LIBCFILE_EXTERN \
off64_t libcfile_file_seek_offset(
libcfile_file_t *file,
off64_t offset,
int whence,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_resize(
libcfile_file_t *file,
size64_t size,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_is_open(
libcfile_file_t *file,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_get_offset(
libcfile_file_t *file,
off64_t *offset,
libcerror_error_t **error );
int libcfile_internal_file_get_size(
libcfile_internal_file_t *internal_file,
size64_t *size,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_get_size(
libcfile_file_t *file,
size64_t *size,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_is_device(
libcfile_file_t *file,
libcerror_error_t **error );
ssize_t libcfile_internal_file_io_control_read_with_error_code(
libcfile_internal_file_t *internal_file,
uint32_t control_code,
uint8_t *control_data,
size_t control_data_size,
uint8_t *data,
size_t data_size,
uint32_t *error_code,
libcerror_error_t **error );
LIBCFILE_EXTERN \
ssize_t libcfile_file_io_control_read(
libcfile_file_t *file,
uint32_t control_code,
uint8_t *control_data,
size_t control_data_size,
uint8_t *data,
size_t data_size,
libcerror_error_t **error );
LIBCFILE_EXTERN \
ssize_t libcfile_file_io_control_read_with_error_code(
libcfile_file_t *file,
uint32_t control_code,
uint8_t *control_data,
size_t control_data_size,
uint8_t *data,
size_t data_size,
uint32_t *error_code,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_set_access_behavior(
libcfile_file_t *file,
int access_behavior,
libcerror_error_t **error );
int libcfile_internal_file_set_block_size(
libcfile_internal_file_t *internal_file,
size_t block_size,
libcerror_error_t **error );
LIBCFILE_EXTERN \
int libcfile_file_set_block_size(
libcfile_file_t *file,
size_t block_size,
libcerror_error_t **error );
#if defined( __cplusplus )
}
#endif
#endif /* !defined( _LIBCFILE_FILE_H ) */
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