/*

 * Binary data value functions

 *

 * Copyright (C) 2010-2026, 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 "libfvalue_binary_data.h"

#include "libfvalue_definitions.h"

#include "libfvalue_libcerror.h"

#include "libfvalue_libuna.h"

/* Creates a binary data

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

 * Returns 1 if successful or -1 on error

 */

int libfvalue_binary_data_initialize(

     libfvalue_binary_data_t **binary_data,

     libcerror_error_t **error )

{

  static char *function = "libfvalue_binary_data_initialize";

  if( binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid binary data.",

     function );

    return( -1 );

  }

  if( *binary_data != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid binary data value already set.",

     function );

    return( -1 );

  }

  *binary_data = memory_allocate_structure(

                  libfvalue_binary_data_t );

  if( *binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create binary data.",

     function );

    goto on_error;

  }

  if( memory_set(

       *binary_data,

       0,

       sizeof( libfvalue_binary_data_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear binary data.",

     function );

    goto on_error;

  }

  return( 1 );

on_error:

  if( *binary_data != NULL )

  {

    memory_free(

     *binary_data );

    *binary_data = NULL;

  }

  return( -1 );

}

/* Frees a binary data

 * Returns 1 if successful or -1 on error

 */

int libfvalue_binary_data_free(

     libfvalue_binary_data_t **binary_data,

     libcerror_error_t **error )

{

  static char *function = "libfvalue_binary_data_free";

  if( binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid binary data.",

     function );

    return( -1 );

  }

  if( *binary_data != NULL )

  {

    memory_free(

     *binary_data );

    *binary_data = NULL;

  }

  return( 1 );

}

/* Clones a binary data

 * Returns 1 if successful or -1 on error

 */

int libfvalue_binary_data_clone(

     libfvalue_binary_data_t **destination_binary_data,

     libfvalue_binary_data_t *source_binary_data,

     libcerror_error_t **error )

{

  static char *function = "libfvalue_binary_data_clone";

  if( destination_binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid destination binary data.",

     function );

    return( -1 );

  }

  if( *destination_binary_data != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: destination binary data already set.",

     function );

    return( -1 );

  }

  if( source_binary_data == NULL )

  {

    *destination_binary_data = NULL;

    return( 1 );

  }

  *destination_binary_data = memory_allocate_structure(

                              libfvalue_binary_data_t );

  if( *destination_binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create destination binary data.",

     function );

    goto on_error;

  }

  if( memory_copy(

       *destination_binary_data,

       source_binary_data,

       sizeof( libfvalue_binary_data_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_COPY_FAILED,

     "%s: unable to copy binary data.",

     function );

    goto on_error;

  }

  return( 1 );

on_error:

  if( *destination_binary_data != NULL )

  {

    memory_free(

     *destination_binary_data );

    *destination_binary_data = NULL;

  }

  return( -1 );

}

/* Copies the binary data from a byte stream

 * Returns 1 if successful or -1 on error

 */

int libfvalue_binary_data_copy_from_byte_stream(

     libfvalue_binary_data_t *binary_data,

     const uint8_t *byte_stream,

     size_t byte_stream_size,

     int encoding,

     libcerror_error_t **error )

{

  static char *function = "libfvalue_binary_data_copy_from_byte_stream";

  if( binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid binary data.",

     function );

    return( -1 );

  }

  if( byte_stream == NULL )

  {

    if( byte_stream_size != 0 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

       LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,

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

       function );

      return( -1 );

    }

  }

  else

  {

    if( byte_stream_size > (size_t) SSIZE_MAX )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

       LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,

       "%s: invalid byte stream size value exceeds maximum.",

       function );

      return( -1 );

    }

  }

  if( encoding != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported encoding.",

     function );

    return( -1 );

  }

  binary_data->data      = byte_stream;

  binary_data->data_size = byte_stream_size;

  return( 1 );

}

/* Retrieves the size of an UTF-8 formatted string of the binary data

 * Returns 1 if successful or -1 on error

 */

int libfvalue_binary_data_get_utf8_string_size(

     libfvalue_binary_data_t *binary_data,

     size_t *utf8_string_size,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  static char *function       = "libfvalue_binary_data_get_utf8_string_size";

  uint32_t format_flags       = 0;

  uint32_t string_format_type = 0;

  uint32_t supported_flags    = 0;

  if( binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid binary data.",

     function );

    return( -1 );

  }

  if( utf8_string_size == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-8 string size.",

     function );

    return( -1 );

  }

  supported_flags = 0x000000ffUL

                  | LIBFVALUE_BINARY_DATA_FORMAT_FLAG_CASE_LOWER

                  | LIBFVALUE_BINARY_DATA_FORMAT_FLAG_CASE_UPPER;

  if( ( string_format_flags & ~( supported_flags ) ) != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format flags: 0x%08" PRIx32 ".",

     function,

     string_format_flags );

    return( -1 );

  }

  string_format_type = string_format_flags & 0x000000ffUL;

  if( ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE16 )

   && ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE32 )

   && ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE64 ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format type.",

     function );

    return( -1 );

  }

  *utf8_string_size = 0;

  if( ( binary_data->data != NULL )

   && ( binary_data->data_size != 0 ) )

  {

    switch( string_format_type )

    {

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE16:

        format_flags = LIBUNA_BASE16_VARIANT_CASE_UPPER

               | LIBUNA_BASE16_VARIANT_CHARACTER_LIMIT_NONE;

        if( libuna_base16_stream_size_from_byte_stream(

             binary_data->data,

             binary_data->data_size,

             utf8_string_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_GET_FAILED,

           "%s: unable to determine size of UTF-8 string of base16 formatted binary data.",

           function );

          return( -1 );

        }

        break;

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE32:

        format_flags = LIBUNA_BASE32_VARIANT_ALPHABET_NORMAL

               | LIBUNA_BASE32_VARIANT_CHARACTER_LIMIT_NONE

               | LIBUNA_BASE32_VARIANT_PADDING_REQUIRED;

        if( libuna_base32_stream_size_from_byte_stream(

             binary_data->data,

             binary_data->data_size,

             utf8_string_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_GET_FAILED,

           "%s: unable to determine size of UTF-8 string of base32 formatted binary data.",

           function );

          return( -1 );

        }

        break;

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE64:

        format_flags = LIBUNA_BASE64_VARIANT_ALPHABET_NORMAL

               | LIBUNA_BASE64_VARIANT_CHARACTER_LIMIT_NONE

               | LIBUNA_BASE64_VARIANT_PADDING_REQUIRED;

        if( libuna_base64_stream_size_from_byte_stream(

             binary_data->data,

             binary_data->data_size,

             utf8_string_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_GET_FAILED,

           "%s: unable to determine size of UTF-8 string of base64 formatted binary data.",

           function );

          return( -1 );

        }

        break;

    }

  }

  /* Add space for the end-of-string character

   */

  *utf8_string_size += 1;

  return( 1 );

}

/* Copies the binary data to an UTF-8 encoded string

 * Returns 1 if successful or -1 on error

 */

int libfvalue_binary_data_copy_to_utf8_string_with_index(

     libfvalue_binary_data_t *binary_data,

     uint8_t *utf8_string,

     size_t utf8_string_size,

     size_t *utf8_string_index,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  static char *function       = "libfvalue_binary_data_copy_to_utf8_string_with_index";

  uint32_t format_flags       = 0;

  uint32_t string_format_type = 0;

  uint32_t supported_flags    = 0;

  if( binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid binary data.",

     function );

    return( -1 );

  }

  if( utf8_string == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-8 string.",

     function );

    return( -1 );

  }

  if( utf8_string_size > (size_t) SSIZE_MAX )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,

     "%s: invalid UTF-8 string size value exceeds maximum.",

     function );

    return( -1 );

  }

  if( utf8_string_index == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-8 string index.",

     function );

    return( -1 );

  }

  if( *utf8_string_index >= utf8_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-8 string is too small.",

     function );

    return( -1 );

  }

  supported_flags = 0x000000ffUL

                  | LIBFVALUE_BINARY_DATA_FORMAT_FLAG_CASE_LOWER

                  | LIBFVALUE_BINARY_DATA_FORMAT_FLAG_CASE_UPPER;

  if( ( string_format_flags & ~( supported_flags ) ) != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format flags: 0x%08" PRIx32 ".",

     function,

     string_format_flags );

    return( -1 );

  }

  string_format_type = string_format_flags & 0x000000ffUL;

  if( ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE16 )

   && ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE32 )

   && ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE64 ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format type.",

     function );

    return( -1 );

  }

  if( ( binary_data->data != NULL )

   && ( binary_data->data_size != 0 ) )

  {

    switch( string_format_type )

    {

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE16:

        format_flags = LIBUNA_BASE16_VARIANT_CASE_UPPER

               | LIBUNA_BASE16_VARIANT_CHARACTER_LIMIT_NONE;

        if( libuna_base16_stream_with_index_copy_from_byte_stream(

             utf8_string,

             utf8_string_size,

             utf8_string_index,

             binary_data->data,

             binary_data->data_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_COPY_FAILED,

           "%s: unable to copy base16 formatted binary data to UTF-8 string.",

           function );

          return( -1 );

        }

        break;

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE32:

        format_flags = LIBUNA_BASE32_VARIANT_ALPHABET_NORMAL

               | LIBUNA_BASE32_VARIANT_CHARACTER_LIMIT_NONE

               | LIBUNA_BASE32_VARIANT_PADDING_REQUIRED;

        if( libuna_base32_stream_with_index_copy_from_byte_stream(

             utf8_string,

             utf8_string_size,

             utf8_string_index,

             binary_data->data,

             binary_data->data_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_COPY_FAILED,

           "%s: unable to copy base32 formatted binary data to UTF-8 string.",

           function );

          return( -1 );

        }

        break;

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE64:

        format_flags = LIBUNA_BASE64_VARIANT_ALPHABET_NORMAL

               | LIBUNA_BASE64_VARIANT_CHARACTER_LIMIT_NONE

               | LIBUNA_BASE64_VARIANT_PADDING_REQUIRED;

        if( libuna_base64_stream_with_index_copy_from_byte_stream(

             utf8_string,

             utf8_string_size,

             utf8_string_index,

             binary_data->data,

             binary_data->data_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_COPY_FAILED,

           "%s: unable to copy base64 formatted binary data to UTF-8 string.",

           function );

          return( -1 );

        }

        break;

    }

  }

  utf8_string[ *utf8_string_index ] = 0;

  *utf8_string_index += 1;

  return( 1 );

}

/* Retrieves the size of an UTF-16 formatted string of the binary data

 * Returns 1 if successful or -1 on error

 */

int libfvalue_binary_data_get_utf16_string_size(

     libfvalue_binary_data_t *binary_data,

     size_t *utf16_string_size,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  static char *function       = "libfvalue_binary_data_get_utf16_string_size";

  uint32_t format_flags       = 0;

  uint32_t string_format_type = 0;

  uint32_t supported_flags    = 0;

  if( binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid binary data.",

     function );

    return( -1 );

  }

  if( utf16_string_size == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-16 string size.",

     function );

    return( -1 );

  }

  supported_flags = 0x000000ffUL

                  | LIBFVALUE_BINARY_DATA_FORMAT_FLAG_CASE_LOWER

                  | LIBFVALUE_BINARY_DATA_FORMAT_FLAG_CASE_UPPER;

  if( ( string_format_flags & ~( supported_flags ) ) != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format flags: 0x%08" PRIx32 ".",

     function,

     string_format_flags );

    return( -1 );

  }

  string_format_type = string_format_flags & 0x000000ffUL;

  if( ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE16 )

   && ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE32 )

   && ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE64 ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format type.",

     function );

    return( -1 );

  }

  *utf16_string_size = 0;

  if( ( binary_data->data != NULL )

   && ( binary_data->data_size != 0 ) )

  {

    switch( string_format_type )

    {

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE16:

        format_flags = LIBUNA_BASE16_VARIANT_CASE_UPPER

               | LIBUNA_BASE16_VARIANT_CHARACTER_LIMIT_NONE;

#if _BYTE_STREAM_HOST_BYTE_ORDER == _BYTE_STREAM_ENDIAN_BIG

        format_flags |= LIBUNA_BASE16_VARIANT_ENCODING_UTF16_BIG_ENDIAN;

#else

        format_flags |= LIBUNA_BASE16_VARIANT_ENCODING_UTF16_LITTLE_ENDIAN;

#endif

        if( libuna_base16_stream_size_from_byte_stream(

             binary_data->data,

             binary_data->data_size,

             utf16_string_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_GET_FAILED,

           "%s: unable to determine size of UTF-16 string of base16 formatted binary data.",

           function );

          return( -1 );

        }

        break;

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE32:

        format_flags = LIBUNA_BASE32_VARIANT_ALPHABET_NORMAL

               | LIBUNA_BASE32_VARIANT_CHARACTER_LIMIT_NONE

               | LIBUNA_BASE32_VARIANT_PADDING_REQUIRED;

#if _BYTE_STREAM_HOST_BYTE_ORDER == _BYTE_STREAM_ENDIAN_BIG

        format_flags |= LIBUNA_BASE32_VARIANT_ENCODING_UTF16_BIG_ENDIAN;

#else

        format_flags |= LIBUNA_BASE32_VARIANT_ENCODING_UTF16_LITTLE_ENDIAN;

#endif

        if( libuna_base32_stream_size_from_byte_stream(

             binary_data->data,

             binary_data->data_size,

             utf16_string_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_GET_FAILED,

           "%s: unable to determine size of UTF-16 string of base32 formatted binary data.",

           function );

          return( -1 );

        }

        break;

      case LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE64:

        format_flags = LIBUNA_BASE64_VARIANT_ALPHABET_NORMAL

               | LIBUNA_BASE64_VARIANT_CHARACTER_LIMIT_NONE

               | LIBUNA_BASE64_VARIANT_PADDING_REQUIRED;

#if _BYTE_STREAM_HOST_BYTE_ORDER == _BYTE_STREAM_ENDIAN_BIG

        format_flags |= LIBUNA_BASE64_VARIANT_ENCODING_UTF16_BIG_ENDIAN;

#else

        format_flags |= LIBUNA_BASE64_VARIANT_ENCODING_UTF16_LITTLE_ENDIAN;

#endif

        if( libuna_base64_stream_size_from_byte_stream(

             binary_data->data,

             binary_data->data_size,

             utf16_string_size,

             format_flags,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_GET_FAILED,

           "%s: unable to determine size of UTF-16 string of base64 formatted binary data.",

           function );

          return( -1 );

        }

        break;

    }

    /* The size returned is the size of the byte stream and the size needed

     * should be the number of characters

     */

    *utf16_string_size /= sizeof( uint16_t );

  }

  /* Add space for the end-of-string character

   */

  *utf16_string_size += 1;

  return( 1 );

}

/* Copies the binary data to an UTF-16 encoded string

 * Returns 1 if successful or -1 on error

 */

int libfvalue_binary_data_copy_to_utf16_string_with_index(

     libfvalue_binary_data_t *binary_data,

     uint16_t *utf16_string,

     size_t utf16_string_size,

     size_t *utf16_string_index,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  static char *function       = "libfvalue_binary_data_copy_to_utf16_string_with_index";

  size_t string_index         = 0;

  size_t string_size          = 0;

  uint32_t format_flags       = 0;

  uint32_t string_format_type = 0;

  uint32_t supported_flags    = 0;

  if( binary_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid binary data.",

     function );

    return( -1 );

  }

  if( utf16_string == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-16 string.",

     function );

    return( -1 );

  }

  if( utf16_string_size > (size_t) SSIZE_MAX )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,

     "%s: invalid UTF-16 string size value exceeds maximum.",

     function );

    return( -1 );

  }

  if( utf16_string_index == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-16 string index.",

     function );

    return( -1 );

  }

  if( *utf16_string_index >= utf16_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-16 string is too small.",

     function );

    return( -1 );

  }

  supported_flags = 0x000000ffUL

                  | LIBFVALUE_BINARY_DATA_FORMAT_FLAG_CASE_LOWER

                  | LIBFVALUE_BINARY_DATA_FORMAT_FLAG_CASE_UPPER;

  if( ( string_format_flags & ~( supported_flags ) ) != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format flags: 0x%08" PRIx32 ".",

     function,

     string_format_flags );

    return( -1 );

  }

  string_format_type = string_format_flags & 0x000000ffUL;

  if( ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE16 )

   && ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE32 )

   && ( string_format_type != LIBFVALUE_BINARY_DATA_FORMAT_TYPE_BASE64 ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format type.",

     function );

    return( -1 );

  }