/*

 * Space tree value functions

 *

 * Copyright (C) 2009-2025, 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 <byte_stream.h>

#include <memory.h>

#include <types.h>

#include "libesedb_libcerror.h"

#include "libesedb_libcnotify.h"

#include "libesedb_space_tree_value.h"

/* Creates a space tree value

 * Make sure the value space_tree_value is referencing, is set to NULL

 * Returns 1 if successful or -1 on error

 */

int libesedb_space_tree_value_initialize(

     libesedb_space_tree_value_t **space_tree_value,

     libcerror_error_t **error )

{

  static char *function = "libesedb_space_tree_value_initialize";

  if( space_tree_value == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid space tree value.",

     function );

    return( -1 );

  }

  if( *space_tree_value != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid space tree value value already set.",

     function );

    return( -1 );

  }

  *space_tree_value = memory_allocate_structure(

                       libesedb_space_tree_value_t );

  if( *space_tree_value == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create space tree value.",

     function );

    goto on_error;

  }

  if( memory_set(

       *space_tree_value,

       0,

       sizeof( libesedb_space_tree_value_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear space tree value.",

     function );

    goto on_error;

  }

  return( 1 );

on_error:

  if( *space_tree_value != NULL )

  {

    memory_free(

     *space_tree_value );

    *space_tree_value = NULL;

  }

  return( -1 );

}

/* Frees a space tree value

 * Returns 1 if successful or -1 on error

 */

int libesedb_space_tree_value_free(

     libesedb_space_tree_value_t **space_tree_value,

     libcerror_error_t **error )

{

  static char *function = "libesedb_space_tree_value_free";

  if( space_tree_value == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid space tree value.",

     function );

    return( -1 );

  }

  if( *space_tree_value != NULL )

  {

    memory_free(

     *space_tree_value );

    *space_tree_value = NULL;

  }

  return( 1 );

}

/* Reads a space tree value

 * Returns 1 if successful or -1 on error

 */

int libesedb_space_tree_value_read_data(

     libesedb_space_tree_value_t *space_tree_value,

     const uint8_t *data,

     size_t data_size,

     libcerror_error_t **error )

{

  static char *function = "libesedb_space_tree_value_read_data";

  if( space_tree_value == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid space tree value.",

     function );

    return( -1 );

  }

  if( data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid data.",

     function );

    return( -1 );

  }

  if( ( data_size < 4 )

   || ( data_size > (size_t) SSIZE_MAX ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,

     "%s: invalid data size value out of bounds.",

     function );

    return( -1 );

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: space tree value:\n",

     function );

    libcnotify_print_data(

     data,

     data_size,

     LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );

  }

#endif

  byte_stream_copy_to_uint32_little_endian(

   data,

   space_tree_value->number_of_pages );

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: number of pages\t\t\t: %" PRIu32 "\n",

     function,

     space_tree_value->number_of_pages );

    libcnotify_printf(

     "\n" );

  }

#endif

  return( 1 );

}