File: //home/django/libpff/libpff/libpff_table_block_index.c
/*
* Table block index 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/>.
*/
#include <common.h>
#include <memory.h>
#include <types.h>
#include "libpff_libcdata.h"
#include "libpff_libcerror.h"
#include "libpff_table_block_index.h"
#include "libpff_table_index_value.h"
/* Creates table block index
* Make sure the value table_block_index is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
int libpff_table_block_index_initialize(
libpff_table_block_index_t **table_block_index,
libcerror_error_t **error )
{
static char *function = "libpff_table_block_index_initialize";
if( table_block_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid table block index.",
function );
return( -1 );
}
if( *table_block_index != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid table block index value already set.",
function );
return( -1 );
}
*table_block_index = memory_allocate_structure(
libpff_table_block_index_t );
if( *table_block_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create table block index.",
function );
goto on_error;
}
if( memory_set(
*table_block_index,
0,
sizeof( libpff_table_block_index_t ) ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_SET_FAILED,
"%s: unable to clear table block index.",
function );
memory_free(
*table_block_index );
*table_block_index = NULL;
return( -1 );
}
if( libcdata_array_initialize(
&( ( *table_block_index )->values_array ),
0,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create values array.",
function );
goto on_error;
}
return( 1 );
on_error:
if( *table_block_index != NULL )
{
memory_free(
*table_block_index );
*table_block_index = NULL;
}
return( -1 );
}
/* Frees table block index
* Returns 1 if successful or -1 on error
*/
int libpff_table_block_index_free(
libpff_table_block_index_t **table_block_index,
libcerror_error_t **error )
{
static char *function = "libpff_table_block_index_free";
int result = 1;
if( table_block_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid table block index.",
function );
return( -1 );
}
if( *table_block_index != NULL )
{
if( libcdata_array_free(
&( ( *table_block_index )->values_array ),
(int (*)(intptr_t **, libcerror_error_t **)) &libpff_table_index_value_free,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to free values array.",
function );
result = -1;
}
memory_free(
*table_block_index );
*table_block_index = NULL;
}
return( result );
}
/* Retrieves the number of values
* Returns 1 if successful or -1 on error
*/
int libpff_table_block_index_get_number_of_values(
libpff_table_block_index_t *table_block_index,
uint16_t *number_of_values,
libcerror_error_t **error )
{
static char *function = "libpff_table_block_index_get_number_of_values";
int number_of_entries = 0;
if( table_block_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid table block index.",
function );
return( -1 );
}
if( number_of_values == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid number of values.",
function );
return( -1 );
}
if( libcdata_array_get_number_of_entries(
table_block_index->values_array,
&number_of_entries,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve number of entries.",
function );
return( -1 );
}
if( ( number_of_entries < 0 )
|| ( number_of_entries > (int) UINT16_MAX ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid number of entries value out of bounds.",
function );
return( -1 );
}
*number_of_values = (uint16_t) number_of_entries;
return( 1 );
}
/* Retrieves a specific table index value
* Returns 1 if successful or -1 on error
*/
int libpff_table_block_index_get_value_by_index(
libpff_table_block_index_t *table_block_index,
uint16_t value_index,
libpff_table_index_value_t **table_index_value,
libcerror_error_t **error )
{
static char *function = "libpff_table_block_index_get_value_by_index";
if( table_block_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid table block index.",
function );
return( -1 );
}
if( libcdata_array_get_entry_by_index(
table_block_index->values_array,
(int) value_index,
(intptr_t **) table_index_value,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve entry: %" PRIu16 ".",
function,
value_index );
return( -1 );
}
return( 1 );
}
/* Appends a table index value
* Returns 1 if successful or -1 on error
*/
int libpff_table_block_index_append_value(
libpff_table_block_index_t *table_block_index,
uint16_t *value_index,
libpff_table_index_value_t *table_index_value,
libcerror_error_t **error )
{
static char *function = "libpff_table_block_index_append_value";
int entry_index = 0;
if( table_block_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid table block index.",
function );
return( -1 );
}
if( value_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid value index.",
function );
return( -1 );
}
if( libcdata_array_append_entry(
table_block_index->values_array,
&entry_index,
(intptr_t *) table_index_value,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
"%s: unable to append table index value to array.",
function );
return( -1 );
}
if( ( entry_index < 0 )
|| ( entry_index > (int) UINT16_MAX ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid entry index value out of bounds.",
function );
return( -1 );
}
*value_index = (uint16_t) entry_index;
return( 1 );
}