File: /home/django/libpff/libfdata/libfdata_vector.c
/*
* The vector functions
*
* Copyright (C) 2010-2024, 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/>.
*/
#include <common.h>
#include <memory.h>
#include <types.h>
#include "libfdata_definitions.h"
#include "libfdata_libcdata.h"
#include "libfdata_libcerror.h"
#include "libfdata_libcnotify.h"
#include "libfdata_libfcache.h"
#include "libfdata_mapped_range.h"
#include "libfdata_range.h"
#include "libfdata_segments_array.h"
#include "libfdata_types.h"
#include "libfdata_unused.h"
#include "libfdata_vector.h"
/* Creates a vector
* Make sure the value vector is referencing, is set to NULL
*
* If the flag LIBFDATA_DATA_HANDLE_FLAG_MANAGED is set the vector
* takes over management of the data handle and the data handle is freed when
* no longer needed
*
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_initialize(
libfdata_vector_t **vector,
size64_t element_data_size,
intptr_t *data_handle,
int (*free_data_handle)(
intptr_t **data_handle,
libcerror_error_t **error ),
int (*clone_data_handle)(
intptr_t **destination_data_handle,
intptr_t *source_data_handle,
libcerror_error_t **error ),
int (*read_element_data)(
intptr_t *data_handle,
intptr_t *file_io_handle,
libfdata_vector_t *vector,
libfdata_cache_t *cache,
int element_index,
int element_data_file_index,
off64_t element_data_offset,
size64_t element_data_size,
uint32_t element_data_flags,
uint8_t read_flags,
libcerror_error_t **error ),
int (*write_element_data)(
intptr_t *data_handle,
intptr_t *file_io_handle,
libfdata_vector_t *vector,
libfdata_cache_t *cache,
int element_index,
int element_data_file_index,
off64_t element_data_offset,
size64_t element_data_size,
uint32_t element_data_flags,
uint8_t write_flags,
libcerror_error_t **error ),
uint8_t flags,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_initialize";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
if( *vector != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid vector value already set.",
function );
return( -1 );
}
if( element_data_size == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS,
"%s: invalid element data size value zero or less.",
function );
return( -1 );
}
internal_vector = memory_allocate_structure(
libfdata_internal_vector_t );
if( internal_vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create vector.",
function );
goto on_error;
}
if( memory_set(
internal_vector,
0,
sizeof( libfdata_internal_vector_t ) ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_SET_FAILED,
"%s: unable to clear vector.",
function );
memory_free(
internal_vector );
return( -1 );
}
if( libcdata_array_initialize(
&( internal_vector->segments_array ),
0,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create segments array.",
function );
goto on_error;
}
if( libcdata_array_initialize(
&( internal_vector->mapped_ranges_array ),
0,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create mapped ranges array.",
function );
goto on_error;
}
if( libfcache_date_time_get_timestamp(
&( internal_vector->timestamp ),
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve cache timestamp.",
function );
goto on_error;
}
internal_vector->element_data_size = element_data_size;
internal_vector->flags |= flags;
internal_vector->data_handle = data_handle;
internal_vector->free_data_handle = free_data_handle;
internal_vector->clone_data_handle = clone_data_handle;
internal_vector->read_element_data = read_element_data;
internal_vector->write_element_data = write_element_data;
*vector = (libfdata_vector_t *) internal_vector;
return( 1 );
on_error:
if( internal_vector != NULL )
{
if( internal_vector->mapped_ranges_array != NULL )
{
libcdata_array_free(
&( internal_vector->mapped_ranges_array ),
NULL,
NULL );
}
if( internal_vector->segments_array != NULL )
{
libcdata_array_free(
&( internal_vector->segments_array ),
NULL,
NULL );
}
memory_free(
internal_vector );
}
return( -1 );
}
/* Frees a vector
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_free(
libfdata_vector_t **vector,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_free";
int result = 1;
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
if( *vector != NULL )
{
internal_vector = (libfdata_internal_vector_t *) *vector;
*vector = NULL;
if( libcdata_array_free(
&( internal_vector->segments_array ),
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_range_free,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to free the segments array.",
function );
result = -1;
}
if( libcdata_array_free(
&( internal_vector->mapped_ranges_array ),
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_mapped_range_free,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to free the mapped ranges array.",
function );
result = -1;
}
if( ( internal_vector->flags & LIBFDATA_DATA_HANDLE_FLAG_MANAGED ) != 0 )
{
if( internal_vector->data_handle != NULL )
{
if( internal_vector->free_data_handle == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: invalid vector - missing free data handle function.",
function );
result = -1;
}
else if( internal_vector->free_data_handle(
&( internal_vector->data_handle ),
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to free data handle.",
function );
result = -1;
}
}
}
memory_free(
internal_vector );
}
return( result );
}
/* Clones (duplicates) the vector
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_clone(
libfdata_vector_t **destination_vector,
libfdata_vector_t *source_vector,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_destination_vector = NULL;
libfdata_internal_vector_t *internal_source_vector = NULL;
static char *function = "libfdata_vector_clone";
if( destination_vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid destination vector.",
function );
return( -1 );
}
if( *destination_vector != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid destination vector value already set.",
function );
return( -1 );
}
if( source_vector == NULL )
{
*destination_vector = source_vector;
return( 1 );
}
internal_source_vector = (libfdata_internal_vector_t *) source_vector;
internal_destination_vector = memory_allocate_structure(
libfdata_internal_vector_t );
if( internal_destination_vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create destination vector.",
function );
goto on_error;
}
if( memory_set(
internal_destination_vector,
0,
sizeof( libfdata_internal_vector_t ) ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_SET_FAILED,
"%s: unable to clear destination vector.",
function );
memory_free(
internal_destination_vector );
return( -1 );
}
if( internal_source_vector->data_handle != NULL )
{
if( internal_source_vector->free_data_handle == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: invalid source vector - missing free data handle function.",
function );
goto on_error;
}
if( internal_source_vector->clone_data_handle == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: invalid source vector - missing clone data handle function.",
function );
goto on_error;
}
if( internal_source_vector->clone_data_handle(
&( internal_destination_vector->data_handle ),
internal_source_vector->data_handle,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create destination data handle.",
function );
goto on_error;
}
}
if( libcdata_array_clone(
&( internal_destination_vector->segments_array ),
internal_source_vector->segments_array,
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_range_free,
(int (*)(intptr_t **, intptr_t *, libcerror_error_t **)) &libfdata_range_clone,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create destination segments array.",
function );
goto on_error;
}
if( libcdata_array_clone(
&( internal_destination_vector->mapped_ranges_array ),
internal_source_vector->mapped_ranges_array,
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_mapped_range_free,
(int (*)(intptr_t **, intptr_t *, libcerror_error_t **)) &libfdata_mapped_range_clone,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create destination mapped ranges array.",
function );
goto on_error;
}
internal_destination_vector->element_data_size = internal_source_vector->element_data_size;
internal_destination_vector->timestamp = internal_source_vector->timestamp;
internal_destination_vector->flags = internal_source_vector->flags | LIBFDATA_DATA_HANDLE_FLAG_MANAGED;
internal_destination_vector->data_handle = internal_source_vector->data_handle;
internal_destination_vector->free_data_handle = internal_source_vector->free_data_handle;
internal_destination_vector->clone_data_handle = internal_source_vector->clone_data_handle;
internal_destination_vector->read_element_data = internal_source_vector->read_element_data;
internal_destination_vector->write_element_data = internal_source_vector->write_element_data;
*destination_vector = (libfdata_vector_t *) internal_destination_vector;
return( 1 );
on_error:
if( internal_destination_vector != NULL )
{
if( internal_destination_vector->segments_array != NULL )
{
libcdata_array_free(
&( internal_destination_vector->segments_array ),
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_range_free,
NULL );
}
if( ( internal_destination_vector->data_handle != NULL )
&& ( internal_source_vector->free_data_handle != NULL ) )
{
internal_source_vector->free_data_handle(
&( internal_destination_vector->data_handle ),
NULL );
}
memory_free(
internal_destination_vector );
}
return( -1 );
}
/* Segment functions
*/
/* Empties the vector
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_empty(
libfdata_vector_t *vector,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_empty";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( libcdata_array_empty(
internal_vector->segments_array,
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_range_free,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to empty segments array.",
function );
return( -1 );
}
if( libcdata_array_empty(
internal_vector->mapped_ranges_array,
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_mapped_range_free,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to empty mapped ranges array.",
function );
return( -1 );
}
internal_vector->size = 0;
return( 1 );
}
/* Resizes the segments
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_resize(
libfdata_vector_t *vector,
int number_of_segments,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_resize";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( libcdata_array_resize(
internal_vector->segments_array,
number_of_segments,
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_range_free,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_RESIZE_FAILED,
"%s: unable to resize segments array.",
function );
return( -1 );
}
if( libcdata_array_resize(
internal_vector->mapped_ranges_array,
number_of_segments,
(int (*)(intptr_t **, libcerror_error_t **)) &libfdata_mapped_range_free,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_RESIZE_FAILED,
"%s: unable to resize mapped ranges array.",
function );
return( -1 );
}
internal_vector->flags |= LIBFDATA_FLAG_CALCULATE_MAPPED_RANGES;
return( 1 );
}
/* Retrieves the number of segments of the vector
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_get_number_of_segments(
libfdata_vector_t *vector,
int *number_of_segments,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_get_number_of_segments";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( libcdata_array_get_number_of_entries(
internal_vector->segments_array,
number_of_segments,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve number of entries from segments array.",
function );
return( -1 );
}
return( 1 );
}
/* Retrieves the offset and size of a specific segment
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_get_segment_by_index(
libfdata_vector_t *vector,
int segment_index,
int *segment_file_index,
off64_t *segment_offset,
size64_t *segment_size,
uint32_t *segment_flags,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_get_segment_by_index";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( libfdata_segments_array_get_segment_by_index(
internal_vector->segments_array,
segment_index,
segment_file_index,
segment_offset,
segment_size,
segment_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve segment: %d.",
function,
segment_index );
return( -1 );
}
return( 1 );
}
/* Sets the offset and size of a specific segment
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_set_segment_by_index(
libfdata_vector_t *vector,
int segment_index,
int segment_file_index,
off64_t segment_offset,
size64_t segment_size,
uint32_t segment_flags,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_set_segment_by_index";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( libfdata_segments_array_set_segment_by_index(
internal_vector->segments_array,
internal_vector->mapped_ranges_array,
&( internal_vector->size ),
segment_index,
segment_file_index,
segment_offset,
segment_size,
segment_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set segment: %d.",
function,
segment_index );
return( -1 );
}
internal_vector->flags |= LIBFDATA_FLAG_CALCULATE_MAPPED_RANGES;
return( 1 );
}
/* Prepends a segment
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_prepend_segment(
libfdata_vector_t *vector,
int segment_file_index,
off64_t segment_offset,
size64_t segment_size,
uint32_t segment_flags,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_prepend_segment";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( libfdata_segments_array_prepend_segment(
internal_vector->segments_array,
internal_vector->mapped_ranges_array,
&( internal_vector->size ),
segment_file_index,
segment_offset,
segment_size,
segment_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
"%s: unable to prepend segment.",
function );
return( -1 );
}
internal_vector->flags |= LIBFDATA_FLAG_CALCULATE_MAPPED_RANGES;
return( 1 );
}
/* Appends a segment
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_append_segment(
libfdata_vector_t *vector,
int *segment_index,
int segment_file_index,
off64_t segment_offset,
size64_t segment_size,
uint32_t segment_flags,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_append_segment";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( libfdata_segments_array_append_segment(
internal_vector->segments_array,
internal_vector->mapped_ranges_array,
&( internal_vector->size ),
segment_index,
segment_file_index,
segment_offset,
segment_size,
segment_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
"%s: unable to append segment.",
function );
return( -1 );
}
return( 1 );
}
/* Vector element functions
*/
/* Retrieves the element data size of the vector
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_get_element_data_size(
libfdata_vector_t *vector,
size64_t *element_data_size,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_get_element_data_size";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( element_data_size == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid element data size.",
function );
return( -1 );
}
*element_data_size = internal_vector->element_data_size;
return( 1 );
}
/* Retrieves the number of elements of the vector
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_get_number_of_elements(
libfdata_vector_t *vector,
int *number_of_elements,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_get_number_of_elements";
size64_t safe_number_of_elements = 0;
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( internal_vector->element_data_size == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid vector - element data size value out of bounds.",
function );
return( -1 );
}
if( number_of_elements == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid number of elements.",
function );
return( -1 );
}
safe_number_of_elements = internal_vector->size / internal_vector->element_data_size;
if( ( internal_vector->size % internal_vector->element_data_size ) != 0 )
{
safe_number_of_elements++;
}
if( safe_number_of_elements > (size64_t) INT_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: number of elements value out of bounds.",
function );
return( -1 );
}
*number_of_elements = (int) safe_number_of_elements;
return( 1 );
}
/* Mapped range functions
*/
/* Retrieves the element index for a specific offset
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_get_element_index_at_offset(
libfdata_vector_t *vector,
off64_t element_value_offset,
int *element_index,
off64_t *element_data_offset,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
libfdata_mapped_range_t *mapped_range = NULL;
static char *function = "libfdata_vector_get_element_index_at_offset";
off64_t mapped_range_end_offset = 0;
off64_t mapped_range_start_offset = 0;
off64_t segment_data_offset = 0;
size64_t mapped_range_size = 0;
uint64_t calculated_element_index = 0;
int initial_segment_index = 0;
int number_of_segments = 0;
int segment_index = 0;
int result = 0;
#if defined( HAVE_DEBUG_OUTPUT )
libfdata_range_t *segment_data_range = NULL;
off64_t segment_offset = 0;
size64_t segment_size = 0;
uint32_t segment_flags = 0;
int segment_file_index = -1;
#endif
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( internal_vector->element_data_size == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid vector - element data size value out of bounds.",
function );
return( -1 );
}
if( internal_vector->size == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid vector - size value out of bounds.",
function );
return( -1 );
}
if( element_value_offset < 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_LESS_THAN_ZERO,
"%s: invalid element value offset value less than zero.",
function );
return( -1 );
}
if( element_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid element index.",
function );
return( -1 );
}
if( element_data_offset == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid element data offset.",
function );
return( -1 );
}
if( ( internal_vector->flags & LIBFDATA_FLAG_CALCULATE_MAPPED_RANGES ) != 0 )
{
if( libfdata_segments_array_calculate_mapped_ranges(
internal_vector->segments_array,
internal_vector->mapped_ranges_array,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to calculate mapped ranges from segments array.",
function );
return( -1 );
}
internal_vector->flags &= ~( LIBFDATA_FLAG_CALCULATE_MAPPED_RANGES );
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
libcnotify_printf(
"%s: requested offset: %" PRIi64 " (0x%08" PRIx64 ")\n",
function,
element_value_offset,
element_value_offset );
}
#endif
if( internal_vector->size == 0 )
{
return( 0 );
}
if( libcdata_array_get_number_of_entries(
internal_vector->mapped_ranges_array,
&number_of_segments,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve number of entries from mapped ranges array.",
function );
return( -1 );
}
/* This assumes a fairly even distribution of the sizes of the segments
*/
initial_segment_index = (int) ( ( number_of_segments * element_value_offset ) / internal_vector->size );
/* Look for the corresponding segment upwards in the array
*/
for( segment_index = initial_segment_index;
segment_index < number_of_segments;
segment_index++ )
{
if( libcdata_array_get_entry_by_index(
internal_vector->mapped_ranges_array,
segment_index,
(intptr_t **) &mapped_range,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve entry: %d from mapped ranges array.",
function,
segment_index );
return( -1 );
}
if( libfdata_mapped_range_get(
mapped_range,
&mapped_range_start_offset,
&mapped_range_size,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to retrieve values from mapped range: %d.",
function,
segment_index );
return( -1 );
}
mapped_range_end_offset = mapped_range_start_offset + (off64_t) mapped_range_size;
if( mapped_range_end_offset < mapped_range_start_offset )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid segment: %d - mapped range value out of bounds.",
function,
segment_index );
return( -1 );
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
libcnotify_printf(
"%s: segment: %03d\tmapped range: %" PRIi64 " - %" PRIi64 " (0x%08" PRIx64 " - 0x%08" PRIx64 ") (size: %" PRIu64 ")\n",
function,
segment_index,
mapped_range_start_offset,
mapped_range_end_offset,
mapped_range_start_offset,
mapped_range_end_offset,
mapped_range_size );
}
#endif
/* Check if the element value offset is in the mapped range
*/
if( ( element_value_offset >= mapped_range_start_offset )
&& ( element_value_offset < mapped_range_end_offset ) )
{
break;
}
/* Check if the element value offset is out of bounds
*/
if( element_value_offset < mapped_range_start_offset )
{
segment_index = number_of_segments;
break;
}
}
if( segment_index >= number_of_segments )
{
/* Look for the corresponding segment downwards in the array
*/
for( segment_index = initial_segment_index;
segment_index >= 0;
segment_index-- )
{
if( libcdata_array_get_entry_by_index(
internal_vector->mapped_ranges_array,
segment_index,
(intptr_t **) &mapped_range,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve entry: %d from mapped ranges array.",
function,
segment_index );
return( -1 );
}
if( libfdata_mapped_range_get(
mapped_range,
&mapped_range_start_offset,
&mapped_range_size,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to retrieve values from mapped range: %d.",
function,
segment_index );
return( -1 );
}
mapped_range_end_offset = mapped_range_start_offset + (off64_t) mapped_range_size;
if( mapped_range_end_offset < mapped_range_start_offset )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid segment: %d - mapped range value out of bounds.",
function,
segment_index );
return( -1 );
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
libcnotify_printf(
"%s: segment: %03d\tmapped range: %" PRIi64 " - %" PRIi64 " (0x%08" PRIx64 " - 0x%08" PRIx64 ") (size: %" PRIu64 ")\n",
function,
segment_index,
mapped_range_start_offset,
mapped_range_end_offset,
mapped_range_start_offset,
mapped_range_end_offset,
mapped_range_size );
}
#endif
/* Check if the element value offset is in the mapped range
*/
if( ( element_value_offset >= mapped_range_start_offset )
&& ( element_value_offset < mapped_range_end_offset ) )
{
break;
}
/* Check if the element value offset is out of bounds
*/
if( element_value_offset > mapped_range_start_offset )
{
segment_index = -1;
break;
}
segment_data_offset += (off64_t) mapped_range_size;
}
}
if( ( segment_index >= 0 )
&& ( segment_index < number_of_segments ) )
{
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
if( libcdata_array_get_entry_by_index(
internal_vector->segments_array,
segment_index,
(intptr_t **) &segment_data_range,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve entry: %d from segments array.",
function,
segment_index );
return( -1 );
}
if( libfdata_range_get(
segment_data_range,
&segment_file_index,
&segment_offset,
&segment_size,
&segment_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve segment: %d data range values.",
function,
segment_index );
return( -1 );
}
libcnotify_printf(
"%s: segment: %03d\tfile index: %03d offset: %" PRIi64 " - %" PRIi64 " (0x%08" PRIx64 " - 0x%08" PRIx64 ") (size: %" PRIu64 ")\n",
function,
segment_index,
segment_file_index,
segment_offset,
segment_offset + segment_size,
segment_offset,
segment_offset + segment_size,
segment_size );
}
#endif /* defined( HAVE_DEBUG_OUTPUT ) */
calculated_element_index = (uint64_t) element_value_offset / internal_vector->element_data_size;
if( calculated_element_index > (uint64_t) INT_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid element index value exceeds maximum.",
function );
return( -1 );
}
/* The element data offset is relative from the start of the vector element not the underlying segment
*/
*element_index = (int) calculated_element_index;
*element_data_offset = element_value_offset % internal_vector->element_data_size;
result = 1;
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
libcnotify_printf(
"\n" );
}
#endif
return( result );
}
/* Vector element value functions
*/
/* Retrieves the value of a specific element
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_get_element_value_by_index(
libfdata_vector_t *vector,
intptr_t *file_io_handle,
libfdata_cache_t *cache,
int element_index,
intptr_t **element_value,
uint8_t read_flags,
libcerror_error_t **error )
{
libfcache_cache_value_t *cache_value = NULL;
libfdata_internal_vector_t *internal_vector = NULL;
libfdata_range_t *segment_data_range = NULL;
static char *function = "libfdata_vector_get_element_value_by_index";
off64_t cache_value_offset = (off64_t) -1;
off64_t element_data_offset = 0;
int64_t cache_value_timestamp = 0;
uint32_t element_data_flags = 0;
int cache_value_file_index = -1;
int element_data_file_index = -1;
int result = 0;
#if defined( HAVE_DEBUG_OUTPUT )
const char *hit_or_miss = NULL;
#endif
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( internal_vector->read_element_data == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: invalid vector - missing read element data function.",
function );
return( -1 );
}
if( internal_vector->element_data_size == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid vector - element data size value out of bounds.",
function );
return( -1 );
}
if( ( internal_vector->size == 0 )
|| ( internal_vector->size > (off64_t) INT64_MAX ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid vector - size value out of bounds.",
function );
return( -1 );
}
if( ( element_index < 0 )
|| ( (uint64_t) element_index > ( (uint64_t) INT64_MAX / internal_vector->element_data_size ) ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid element index value out of bounds.",
function );
return( -1 );
}
element_data_offset = (off64_t) ( element_index * internal_vector->element_data_size );
if( (size64_t) element_data_offset > internal_vector->size )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid element index value out of bounds.",
function );
return( -1 );
}
if( libfdata_segments_array_get_data_range_at_offset(
internal_vector->segments_array,
element_data_offset,
&element_data_offset,
&segment_data_range,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve segment data range for offset: %" PRIi64 " (0x%08" PRIx64 ").",
function,
element_data_offset,
element_data_offset );
return( -1 );
}
if( segment_data_range == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: missing segment data range.",
function );
return( -1 );
}
if( segment_data_range->offset > ( (off64_t) INT64_MAX - element_data_offset ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid element data offset value out of bounds.",
function );
return( -1 );
}
element_data_file_index = segment_data_range->file_index;
element_data_offset += segment_data_range->offset;
element_data_flags = segment_data_range->flags;
if( ( read_flags & LIBFDATA_READ_FLAG_IGNORE_CACHE ) == 0 )
{
result = libfcache_cache_get_value_by_identifier(
(libfcache_cache_t *) cache,
element_data_file_index,
element_data_offset,
internal_vector->timestamp,
&cache_value,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve value from cache.",
function );
return( -1 );
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
if( result == 0 )
{
hit_or_miss = "miss";
}
else
{
hit_or_miss = "hit";
}
libcnotify_printf(
"%s: cache: 0x%08" PRIjx " %s\n",
function,
(intptr_t) cache,
hit_or_miss );
}
#endif /* defined( HAVE_DEBUG_OUTPUT ) */
}
if( result == 0 )
{
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
libcnotify_printf(
"%s: reading element data at offset: %" PRIi64 " (0x%08" PRIx64 ") of size: %" PRIu64 "\n",
function,
element_data_offset,
element_data_offset,
internal_vector->element_data_size );
}
#endif
if( internal_vector->read_element_data(
internal_vector->data_handle,
file_io_handle,
vector,
cache,
element_index,
element_data_file_index,
element_data_offset,
internal_vector->element_data_size,
element_data_flags,
read_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_IO,
LIBCERROR_IO_ERROR_READ_FAILED,
"%s: unable to read element data at offset: %" PRIi64 " (0x%08" PRIx64 ").",
function,
element_data_offset,
element_data_offset );
return( -1 );
}
if( libfcache_cache_get_value_by_identifier(
(libfcache_cache_t *) cache,
element_data_file_index,
element_data_offset,
internal_vector->timestamp,
&cache_value,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve value from cache.",
function );
return( -1 );
}
if( libfcache_cache_value_get_identifier(
cache_value,
&cache_value_file_index,
&cache_value_offset,
&cache_value_timestamp,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve cache value identifier.",
function );
return( -1 );
}
if( ( element_data_file_index != cache_value_file_index )
|| ( element_data_offset != cache_value_offset )
|| ( internal_vector->timestamp != cache_value_timestamp ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid cache value - identifier value out of bounds.",
function );
return( -1 );
}
}
if( libfcache_cache_value_get_value(
cache_value,
element_value,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve element value.",
function );
return( -1 );
}
return( 1 );
}
/* Retrieves the value an element at a specific offset
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_get_element_value_at_offset(
libfdata_vector_t *vector,
intptr_t *file_io_handle,
libfdata_cache_t *cache,
off64_t element_value_offset,
off64_t *element_data_offset,
intptr_t **element_value,
uint8_t read_flags,
libcerror_error_t **error )
{
static char *function = "libfdata_vector_get_element_value_at_offset";
int element_index = 0;
if( libfdata_vector_get_element_index_at_offset(
vector,
element_value_offset,
&element_index,
element_data_offset,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve element index at offset: %" PRIi64 " (0x%08" PRIx64 ").",
function,
element_value_offset,
element_value_offset );
return( -1 );
}
if( libfdata_vector_get_element_value_by_index(
vector,
file_io_handle,
cache,
element_index,
element_value,
read_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve element: %d value.",
function,
element_index );
return( -1 );
}
return( 1 );
}
/* Sets the value of a specific element
*
* If the flag LIBFDATA_VECTOR_ELEMENT_VALUE_FLAG_MANAGED is set the vector
* takes over management of the value and the value is freed when
* no longer needed.
*
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_set_element_value_by_index(
libfdata_vector_t *vector,
intptr_t *file_io_handle LIBFDATA_ATTRIBUTE_UNUSED,
libfdata_cache_t *cache,
int element_index,
intptr_t *element_value,
int (*free_element_value)(
intptr_t **element_value,
libcerror_error_t **error ),
uint8_t write_flags,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
libfdata_range_t *segment_data_range = NULL;
static char *function = "libfdata_vector_set_element_value_by_index";
off64_t element_data_offset = 0;
LIBFDATA_UNREFERENCED_PARAMETER( file_io_handle )
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( internal_vector->element_data_size == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid vector - element data size value out of bounds.",
function );
return( -1 );
}
if( ( internal_vector->size == 0 )
|| ( internal_vector->size > (off64_t) INT64_MAX ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid vector - size value out of bounds.",
function );
return( -1 );
}
if( ( element_index < 0 )
|| ( (uint64_t) element_index > ( (uint64_t) INT64_MAX / internal_vector->element_data_size ) ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid element index value out of bounds.",
function );
return( -1 );
}
element_data_offset = (off64_t) ( element_index * internal_vector->element_data_size );
if( (size64_t) element_data_offset > internal_vector->size )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid element index value out of bounds.",
function );
return( -1 );
}
if( libfdata_segments_array_get_data_range_at_offset(
internal_vector->segments_array,
element_data_offset,
&element_data_offset,
&segment_data_range,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve segment data range for offset: %" PRIi64 " (0x%08" PRIx64 ").",
function,
element_data_offset,
element_data_offset );
return( -1 );
}
if( segment_data_range == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: missing segment data range.",
function );
return( -1 );
}
if( segment_data_range->offset > ( (off64_t) INT64_MAX - element_data_offset ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid element data offset value out of bounds.",
function );
return( -1 );
}
element_data_offset += segment_data_range->offset;
if( libfcache_cache_set_value_by_identifier(
(libfcache_cache_t *) cache,
segment_data_range->file_index,
element_data_offset,
internal_vector->timestamp,
element_value,
free_element_value,
write_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set value in cache.",
function );
return( -1 );
}
return( 1 );
}
/* Retrieves the size
* Returns 1 if successful or -1 on error
*/
int libfdata_vector_get_size(
libfdata_vector_t *vector,
size64_t *size,
libcerror_error_t **error )
{
libfdata_internal_vector_t *internal_vector = NULL;
static char *function = "libfdata_vector_get_size";
if( vector == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid vector.",
function );
return( -1 );
}
internal_vector = (libfdata_internal_vector_t *) vector;
if( size == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid size.",
function );
return( -1 );
}
if( ( internal_vector->flags & LIBFDATA_FLAG_CALCULATE_MAPPED_RANGES ) != 0 )
{
if( libfdata_segments_array_calculate_mapped_ranges(
internal_vector->segments_array,
internal_vector->mapped_ranges_array,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to calculate mapped ranges.",
function );
return( -1 );
}
internal_vector->flags &= ~( LIBFDATA_FLAG_CALCULATE_MAPPED_RANGES );
}
*size = internal_vector->size;
return( 1 );
}