/src/libewf/libewf/libewf_serialized_string.c

Source (jump to first uncovered line)
/*
 * Serialized (file) object functions
 *
 * Copyright (C) 2006-2024, 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 <byte_stream.h>
#include <memory.h>
#include <types.h>

#include "libewf_definitions.h"
#include "libewf_libcerror.h"
#include "libewf_libuna.h"
#include "libewf_serialized_string.h"

/* Creates a serialized string
 * Make sure the value serialized_string is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libewf_serialized_string_initialize(
     libewf_serialized_string_t **serialized_string,
     libcerror_error_t **error )
{
  static char *function = "libewf_serialized_string_initialize";

  if( serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid serialized string.",
     function );

    return( -1 );
  }
  if( *serialized_string != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid serialized string value already set.",
     function );

    return( -1 );
  }
  *serialized_string = memory_allocate_structure(
                        libewf_serialized_string_t );

  if( *serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create serialized string.",
     function );

    goto on_error;
  }
  if( memory_set(
       *serialized_string,
       0,
       sizeof( libewf_serialized_string_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear serialized string.",
     function );

    goto on_error;
  }
  return( 1 );

on_error:
  if( *serialized_string != NULL )
  {
    memory_free(
     *serialized_string );

    *serialized_string = NULL;
  }
  return( -1 );
}

/* Frees a serialized string
 * Returns 1 if successful or -1 on error
 */
int libewf_serialized_string_free(
     libewf_serialized_string_t **serialized_string,
     libcerror_error_t **error )
{
  static char *function = "libewf_serialized_string_free";

  if( serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid serialized string.",
     function );

    return( -1 );
  }
  if( *serialized_string != NULL )
  {
    if( ( *serialized_string )->data != NULL )
    {
      memory_free(
       ( *serialized_string )->data );
    }
    memory_free(
     *serialized_string );

    *serialized_string = NULL;
  }
  return( 1 );
}

/* Clones the serialized string
 * Returns 1 if successful or -1 on error
 */
int libewf_serialized_string_clone(
     libewf_serialized_string_t **destination_serialized_string,
     libewf_serialized_string_t *source_serialized_string,
     libcerror_error_t **error )
{
  static char *function = "libewf_serialized_string_clone";

  if( destination_serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid destination serialized string.",
     function );

    return( -1 );
  }
  if( *destination_serialized_string != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid destination serialized string value already set.",
     function );

    return( -1 );
  }
  if( source_serialized_string == NULL )
  {
    *destination_serialized_string = NULL;

    return( 1 );
  }
  *destination_serialized_string = memory_allocate_structure(
                                    libewf_serialized_string_t );

  if( *destination_serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create destination serialized string.",
     function );

    goto on_error;
  }
  if( memory_copy(
       *destination_serialized_string,
       source_serialized_string,
       sizeof( libewf_serialized_string_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_COPY_FAILED,
     "%s: unable to copy source to destination serialized string.",
     function );

    memory_free(
     *destination_serialized_string );

    *destination_serialized_string = NULL;

    return( -1 );
  }
  ( *destination_serialized_string )->data = NULL;

  if( source_serialized_string->data != NULL )
  {
    ( *destination_serialized_string )->data = (uint8_t *) memory_allocate(
                                                            sizeof( uint8_t ) * source_serialized_string->data_size );

    if( ( *destination_serialized_string )->data == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create destination data.",
       function );

      goto on_error;
    }
    if( memory_copy(
         ( *destination_serialized_string )->data,
         source_serialized_string->data,
         source_serialized_string->data_size ) == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_COPY_FAILED,
       "%s: unable to copy source to destination data.",
       function );

      goto on_error;
    }
    ( *destination_serialized_string )->data_size = source_serialized_string->data_size;
  }
  return( 1 );

on_error:
  if( *destination_serialized_string != NULL )
  {
    if( ( *destination_serialized_string )->data != NULL )
    {
      memory_free(
       ( *destination_serialized_string )->data );
    }
    memory_free(
     *destination_serialized_string );

    *destination_serialized_string = NULL;
  }
  return( -1 );
}

/* Reads a serialized string
 * Returns 1 if successful or -1 on error
 */
int libewf_serialized_string_read_data(
     libewf_serialized_string_t *serialized_string,
     const uint8_t *data,
     size_t data_size,
     int data_type,
     libcerror_error_t **error )
{
  static char *function = "libewf_serialized_string_read_data";

  if( serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid serialized string.",
     function );

    return( -1 );
  }
  if( serialized_string->data != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid serialized string - data value already set.",
     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 > (size_t) MEMORY_MAXIMUM_ALLOCATION_SIZE )
  {
    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( ( data_size >= 1 )
   && ( data[ data_size - 1 ] == 0 ) )
  {
    data_size -= 1;
  }
  serialized_string->data = (uint8_t *) memory_allocate(
                                         sizeof( uint8_t ) * ( data_size + 1 ) );

  if( serialized_string->data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create data.",
     function );

    goto on_error;
  }
  serialized_string->data_size = data_size + 1;
  serialized_string->data_type = data_type;

  if( memory_copy(
       serialized_string->data,
       data,
       data_size ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_COPY_FAILED,
     "%s: unable to copy data to string.",
     function );

    goto on_error;
  }
  serialized_string->data[ data_size ] = 0;

  return( 1 );

on_error:
  if( serialized_string->data != NULL )
  {
    memory_free(
     serialized_string->data );

    serialized_string->data = NULL;
  }
  serialized_string->data_size = 0;

  return( -1 );
}

/* Reads a hexadecimal serialized string
 * Returns 1 if successful or -1 on error
 */
int libewf_serialized_string_read_hexadecimal_data(
     libewf_serialized_string_t *serialized_string,
     const uint8_t *data,
     size_t data_size,
     int data_type,
     libcerror_error_t **error )
{
  static char *function       = "libewf_serialized_string_read_hexadecimal_data";
  size_t data_offset          = 0;
  size_t internal_data_offset = 0;
  uint16_t character_value    = 0;
  int zero_values_only        = 0;

  if( serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid serialized string.",
     function );

    return( -1 );
  }
  if( serialized_string->data != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid serialized string - data value already set.",
     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 > (size_t) MEMORY_MAXIMUM_ALLOCATION_SIZE )
  {
    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( data_type == LIBEWF_VALUE_DATA_TYPE_UTF8 )
  {
    if( ( data_size >= 1 )
     && ( data[ data_size - 1 ] == 0 ) )
    {
      data_size -= 1;
    }
    serialized_string->data_size = data_size + 1;

    serialized_string->data = (uint8_t *) memory_allocate(
                                           sizeof( uint8_t ) * serialized_string->data_size );

    if( serialized_string->data == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create data.",
       function );

      goto on_error;
    }
    serialized_string->data_type = LIBEWF_VALUE_DATA_TYPE_UTF8;

    zero_values_only = 1;

    for( data_offset = 0;
         data_offset < data_size;
         data_offset++ )
    {
      if( data[ data_offset ] != (uint8_t) '0' )
      {
        zero_values_only = 0;
      }
      if( ( data[ data_offset ] >= (uint8_t) '0' )
       && ( data[ data_offset ] <= (uint8_t) '9' ) )
      {
        serialized_string->data[ data_offset ] = data[ data_offset ];
      }
      else if( ( data[ data_offset ] >= (uint8_t) 'A' )
            && ( data[ data_offset ] <= (uint8_t) 'F' ) )
      {
        serialized_string->data[ data_offset ] = (uint8_t) ( 'a' - 'A' ) + data[ data_offset ];
      }
      else if( ( data[ data_offset ] >= (uint8_t) 'a' )
            && ( data[ data_offset ] <= (uint8_t) 'f' ) )
      {
        serialized_string->data[ data_offset ] = data[ data_offset ];
      }
      else
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
         "%s: unsupported character in hexadecimal string at offset: %" PRIzd ".",
         function,
         data_offset );

        goto on_error;
      }
    }
    serialized_string->data[ data_offset ] = 0;
  }
  else
  {
    if( ( data_size >= 2 )
     && ( data[ data_size - 2 ] == 0 )
     && ( data[ data_size - 1 ] == 0 ) )
    {
      data_size -= 2;
    }
    serialized_string->data_size = ( data_size / 2 ) + 1;

    serialized_string->data = (uint8_t *) memory_allocate(
                                           sizeof( uint8_t ) * serialized_string->data_size );

    if( serialized_string->data == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create data.",
       function );

      goto on_error;
    }
    serialized_string->data_type = LIBEWF_VALUE_DATA_TYPE_UTF8;

    zero_values_only = 1;

    for( data_offset = 0;
         data_offset < data_size;
         data_offset += 2 )
    {
      byte_stream_copy_to_uint16_little_endian(
       &( data[ data_offset ] ),
       character_value );

      if( character_value != (uint8_t) '0' )
      {
        zero_values_only = 0;
      }
      if( ( character_value >= (uint8_t) '0' )
       && ( character_value <= (uint8_t) '9' ) )
      {
        serialized_string->data[ internal_data_offset ] = (uint8_t) character_value;
      }
      else if( ( character_value >= (uint8_t) 'A' )
            && ( character_value <= (uint8_t) 'F' ) )
      {
        serialized_string->data[ internal_data_offset ] = (uint8_t) ( 'a' - 'A' ) + (uint8_t) character_value;
      }
      else if( ( character_value >= (uint8_t) 'a' )
            && ( character_value <= (uint8_t) 'f' ) )
      {
        serialized_string->data[ internal_data_offset ] = (uint8_t) character_value;
      }
      else
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
         "%s: unsupported character in hexadecimal string at offset: %" PRIzd ".",
         function,
         data_offset );

        goto on_error;
      }
      internal_data_offset++;
    }
    serialized_string->data[ internal_data_offset ] = 0;
  }
  if( zero_values_only != 0 )
  {
    memory_free(
     serialized_string->data );

    serialized_string->data      = NULL;
    serialized_string->data_size = 0;
  }
  return( 1 );

on_error:
  if( serialized_string->data != NULL )
  {
    memory_free(
     serialized_string->data );

    serialized_string->data = NULL;
  }
  serialized_string->data_size = 0;

  return( -1 );
}

/* Retrieves the size of the UTF-8 encoded string
 * The returned size includes the end of string character
 * Returns 1 if successful, 0 if data is not set or -1 on error
 */
int libewf_serialized_string_get_utf8_string_size(
     libewf_serialized_string_t *serialized_string,
     size_t *utf8_string_size,
     libcerror_error_t **error )
{
  static char *function = "libewf_serialized_string_get_utf8_string_size";
  int result            = 0;

  if( serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid serialized string.",
     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 );
  }
  if( ( serialized_string->data == NULL )
   || ( serialized_string->data_size == 0 ) )
  {
    *utf8_string_size = 0;

    return( 0 );
  }
  if( serialized_string->data_type == LIBEWF_VALUE_DATA_TYPE_UTF8 )
  {
    result = libuna_utf8_string_size_from_utf8_stream(
              serialized_string->data,
              serialized_string->data_size,
              utf8_string_size,
              error );
  }
  else
  {
    result = libuna_utf8_string_size_from_utf16_stream(
              serialized_string->data,
              serialized_string->data_size,
              LIBUNA_ENDIAN_LITTLE | LIBUNA_UTF16_STREAM_ALLOW_UNPAIRED_SURROGATE,
              utf8_string_size,
              error );
  }
  if( result != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve UTF-8 string size.",
     function );

    return( -1 );
  }
  return( 1 );
}

/* Retrieves the UTF-8 encoded string value
 * The size should include the end of string character
 * Returns 1 if successful, 0 if data is not set or -1 on error
 */
int libewf_serialized_string_get_utf8_string(
     libewf_serialized_string_t *serialized_string,
     uint8_t *utf8_string,
     size_t utf8_string_size,
     libcerror_error_t **error )
{
  static char *function = "libewf_serialized_string_get_utf8_string";
  int result            = 0;

  if( serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid serialized string.",
     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( ( serialized_string->data == NULL )
   || ( serialized_string->data_size == 0 ) )
  {
    if( utf8_string_size < 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
       "%s: invalid UTF-8 string size value too small.",
       function );

      return( -1 );
    }
    utf8_string[ 0 ] = 0;

    return( 0 );
  }
  if( serialized_string->data_type == LIBEWF_VALUE_DATA_TYPE_UTF8 )
  {
    result = libuna_utf8_string_copy_from_utf8_stream(
              utf8_string,
              utf8_string_size,
              serialized_string->data,
              serialized_string->data_size,
              error );
  }
  else
  {
    result = libuna_utf8_string_copy_from_utf16_stream(
              utf8_string,
              utf8_string_size,
              serialized_string->data,
              serialized_string->data_size,
              LIBUNA_ENDIAN_LITTLE | LIBUNA_UTF16_STREAM_ALLOW_UNPAIRED_SURROGATE,
              error );
  }
  if( result != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
     "%s: unable to copy string to UTF-8 string.",
     function );

    return( -1 );
  }
  return( 1 );
}

/* Retrieves the size of the UTF-16 encoded string
 * The returned size includes the end of string character
 * Returns 1 if successful, 0 if data is not set or -1 on error
 */
int libewf_serialized_string_get_utf16_string_size(
     libewf_serialized_string_t *serialized_string,
     size_t *utf16_string_size,
     libcerror_error_t **error )
{
  static char *function = "libewf_serialized_string_get_utf16_string_size";
  int result            = 0;

  if( serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid serialized string.",
     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 );
  }
  if( ( serialized_string->data == NULL )
   || ( serialized_string->data_size == 0 ) )
  {
    *utf16_string_size = 0;

    return( 0 );
  }
  if( serialized_string->data_type == LIBEWF_VALUE_DATA_TYPE_UTF8 )
  {
    result = libuna_utf16_string_size_from_utf8_stream(
              serialized_string->data,
              serialized_string->data_size,
              utf16_string_size,
              error );
  }
  else
  {
    result = libuna_utf16_string_size_from_utf16_stream(
              serialized_string->data,
              serialized_string->data_size,
              LIBUNA_ENDIAN_LITTLE | LIBUNA_UTF16_STREAM_ALLOW_UNPAIRED_SURROGATE,
              utf16_string_size,
              error );
  }
  if( result != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve UTF-16 string size.",
     function );

    return( -1 );
  }
  return( 1 );
}

/* Retrieves the UTF-16 encoded string value
 * The size should include the end of string character
 * Returns 1 if successful, 0 if data is not set or -1 on error
 */
int libewf_serialized_string_get_utf16_string(
     libewf_serialized_string_t *serialized_string,
     uint16_t *utf16_string,
     size_t utf16_string_size,
     libcerror_error_t **error )
{
  static char *function = "libewf_serialized_string_get_utf16_string";
  int result            = 0;

  if( serialized_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid serialized string.",
     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( ( serialized_string->data == NULL )
   || ( serialized_string->data_size == 0 ) )
  {
    if( utf16_string_size < 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
       "%s: invalid UTF-16 string size value too small.",
       function );

      return( -1 );
    }
    utf16_string[ 0 ] = 0;

    return( 0 );
  }
  if( serialized_string->data_type == LIBEWF_VALUE_DATA_TYPE_UTF8 )
  {
    result = libuna_utf16_string_copy_from_utf8_stream(
              utf16_string,
              utf16_string_size,
              serialized_string->data,
              serialized_string->data_size,
              error );
  }
  else
  {
    result = libuna_utf16_string_copy_from_utf16_stream(
              utf16_string,
              utf16_string_size,
              serialized_string->data,
              serialized_string->data_size,
              LIBUNA_ENDIAN_LITTLE | LIBUNA_UTF16_STREAM_ALLOW_UNPAIRED_SURROGATE,
              error );
  }
  if( result != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
     "%s: unable to copy string to UTF-16 string.",
     function );

    return( -1 );
  }
  return( 1 );
}


Coverage Report

Created: 2025-06-13 07:22