/*

 * Version (resource) values functions

 *

 * Copyright (C) 2011-2024, 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 "libwrc_data_descriptor.h"

#include "libwrc_definitions.h"

#include "libwrc_io_handle.h"

#include "libwrc_language_entry.h"

#include "libwrc_libbfio.h"

#include "libwrc_libcerror.h"

#include "libwrc_libcnotify.h"

#include "libwrc_libfvalue.h"

#include "libwrc_version_values.h"

#include "wrc_version_information_resource.h"

uint8_t libwrc_version_information_value_identifier[ 32 ] = \

  { 'V', 0, 'S', 0, '_', 0, 'V', 0, 'E', 0, 'R', 0, 'S', 0, 'I', 0, 'O', 0, 'N', 0, '_', 0, 'I', 0, 'N', 0, 'F', 0, 'O', 0, 0, 0 };

uint8_t libwrc_version_fixed_file_information_signature[ 4 ] = \

  { 0xbd, 0x04, 0xef, 0xfe };

/* Creates version values

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

 * Returns 1 if successful or -1 on error

 */

int libwrc_version_values_initialize(

     libwrc_version_values_t **version_values,

     libcerror_error_t **error )

{

  static char *function = "libwrc_version_values_initialize";

  if( version_values == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid version values.",

     function );

    return( -1 );

  }

  if( *version_values != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid version values value already set.",

     function );

    return( -1 );

  }

  *version_values = memory_allocate_structure(

                     libwrc_version_values_t );

  if( *version_values == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create version values.",

     function );

    goto on_error;

  }

  if( memory_set(

       *version_values,

       0,

       sizeof( libwrc_version_values_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear version values.",

     function );

    goto on_error;

  }

  return( 1 );

on_error:

  if( *version_values != NULL )

  {

    memory_free(

     *version_values );

    *version_values = NULL;

  }

  return( -1 );

}

/* Frees version values

 * Returns 1 if successful or -1 on error

 */

int libwrc_version_values_free(

     libwrc_version_values_t **version_values,

     libcerror_error_t **error )

{

  static char *function = "libwrc_version_values_free";

  if( version_values == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid version values.",

     function );

    return( -1 );

  }

  if( *version_values != NULL )

  {

    memory_free(

     *version_values );

    *version_values = NULL;

  }

  return( 1 );

}

/* Reads the version (resource) values

 * Returns 1 if successful or -1 on error

 */

int libwrc_version_values_read(

     libwrc_language_entry_t *language_entry,

     libwrc_io_handle_t *io_handle,

     libbfio_handle_t *file_io_handle,

     libwrc_data_descriptor_t *data_descriptor,

     libcerror_error_t **error )

{

  libwrc_version_values_t *version_values = NULL;

  libfvalue_value_t *value_identifier     = NULL;

  uint8_t *resource_data                  = NULL;

  uint8_t *version_resource_data          = NULL;

  static char *function                   = "libwrc_version_values_read";

  off64_t file_offset                     = 0;

  size_t alignment_padding_size           = 0;

  size_t resource_data_offset             = 0;

  size_t resource_data_size               = 0;

  ssize_t read_count                      = 0;

  uint32_t value_32bit                    = 0;

  uint16_t value_data_size                = 0;

  uint16_t value_data_type                = 0;

  uint16_t version_resource_data_size     = 0;

  int value_index                         = 0;

  if( language_entry == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid language entry.",

     function );

    return( -1 );

  }

  if( io_handle == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid IO handle.",

     function );

    return( -1 );

  }

  if( data_descriptor == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid data descriptor.",

     function );

    return( -1 );

  }

  if( libwrc_version_values_initialize(

       &version_values,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create version values.",

     function );

    goto on_error;

  }

  resource_data_size = (size_t) data_descriptor->size;

  if( ( resource_data_size == 0 )

   || ( resource_data_size > (size_t) MEMORY_MAXIMUM_ALLOCATION_SIZE ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

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

     function );

    goto on_error;

  }

  resource_data = (uint8_t *) memory_allocate(

                               sizeof( uint8_t ) * resource_data_size );

  if( resource_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

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

     function );

    goto on_error;

  }

  file_offset = data_descriptor->virtual_address - io_handle->virtual_address;

  read_count = libbfio_handle_read_buffer_at_offset(

                file_io_handle,

                resource_data,

                resource_data_size,

                file_offset,

                error );

  if( read_count != (ssize_t) resource_data_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_READ_FAILED,

     "%s: unable to read resource data at offset: %" PRIi64 " (0x%08" PRIx64 ").",

     function,

     file_offset,

     file_offset );

    goto on_error;

  }

  version_resource_data = resource_data;

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: resource data:\n",

     function );

    libcnotify_print_data(

     version_resource_data,

     resource_data_size,

     0 );

  }

#endif

  byte_stream_copy_to_uint16_little_endian(

   ( (wrc_version_value_header_t *) version_resource_data )->size,

   version_resource_data_size );

  byte_stream_copy_to_uint16_little_endian(

   ( (wrc_version_value_header_t *) version_resource_data )->value_data_size,

   value_data_size );

  byte_stream_copy_to_uint16_little_endian(

   ( (wrc_version_value_header_t *) version_resource_data )->value_data_type,

   value_data_type );

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: size\t\t\t\t\t: %" PRIu16 "\n",

     function,

     version_resource_data_size );

    libcnotify_printf(

     "%s: value data size\t\t\t\t: %" PRIu16 "\n",

     function,

     value_data_size );

    libcnotify_printf(

     "%s: value data type\t\t\t\t: %" PRIu16 "\n",

     function,

     value_data_type );

    libcnotify_printf(

     "\n" );

  }

#endif

  resource_data_offset += sizeof( wrc_version_value_header_t );

  if( libfvalue_value_type_initialize(

       &value_identifier,

       LIBFVALUE_VALUE_TYPE_STRING_UTF16,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create value identifier value.",

     function );

    goto on_error;

  }

  read_count = libfvalue_value_type_set_data_string(

                value_identifier,

                &( version_resource_data[ resource_data_offset ] ),

                resource_data_size,

                LIBFVALUE_CODEPAGE_UTF16_LITTLE_ENDIAN,

                LIBFVALUE_VALUE_DATA_FLAG_MANAGED,

                error );

  if( read_count == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to set data of value identifier value.",

     function );

    goto on_error;

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: value identifier\t\t\t\t: ",

     function );

    if( libfvalue_value_print(

         value_identifier,

         0,

         0,

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,

       "%s: unable to print value identifier value.",

       function );

      goto on_error;

    }

    libcnotify_printf(

     "\n" );

  }

#endif

  if( ( read_count != 32 )

   || ( memory_compare(

         &( version_resource_data[ resource_data_offset ] ),

         libwrc_version_information_value_identifier,

         32 ) != 0 ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported version resource value signature.",

     function );

    goto on_error;

  }

  if( libfvalue_value_free(

       &value_identifier,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

     "%s: unable to free value identifier value.",

     function );

    goto on_error;

  }

  resource_data_offset += read_count;

  if( ( resource_data_offset % 4 ) != 0 )

  {

    alignment_padding_size = 4 - ( resource_data_offset % 4 );

#if defined( HAVE_DEBUG_OUTPUT )

    if( libcnotify_verbose != 0 )

    {

      libcnotify_printf(

       "%s: alignment padding:\n",

       function );

      libcnotify_print_data(

       &( version_resource_data[ resource_data_offset ] ),

       alignment_padding_size,

       0 );

    }

#endif

    resource_data_offset += alignment_padding_size;

  }

/* TODO refactor to separate function? */

  if( value_data_size > 0 )

  {

    if( value_data_size > resource_data_size )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

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

       function );

      goto on_error;

    }

#if defined( HAVE_DEBUG_OUTPUT )

    if( libcnotify_verbose != 0 )

    {

      libcnotify_printf(

       "%s: value data:\n",

       function );

      libcnotify_print_data(

       &( version_resource_data[ resource_data_offset ] ),

       value_data_size,

       0 );

    }

#endif

    byte_stream_copy_to_uint32_little_endian(

     &( version_resource_data[ resource_data_offset + 8 ] ),

     version_values->file_version );

    byte_stream_copy_to_uint32_little_endian(

     &( version_resource_data[ resource_data_offset + 12 ] ),

     value_32bit );

    version_values->file_version <<= 32;

    version_values->file_version  |= value_32bit;

    byte_stream_copy_to_uint32_little_endian(

     &( version_resource_data[ resource_data_offset + 16 ] ),

     version_values->product_version );

    byte_stream_copy_to_uint32_little_endian(

     &( version_resource_data[ resource_data_offset + 20 ] ),

     value_32bit );

    version_values->product_version <<= 32;

    version_values->product_version  |= value_32bit;

#if defined( HAVE_DEBUG_OUTPUT )

    if( libcnotify_verbose != 0 )

    {

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset ] ),

       value_32bit );

      libcnotify_printf(

       "%s: signature\t\t\t\t\t: 0x%08" PRIx32 "\n",

       function,

       value_32bit );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 4 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: version\t\t\t\t\t: %" PRIu32 ".%" PRIu32 "\n",

       function,

       value_32bit >> 16,

       value_32bit & 0x0000ffffUL );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 8 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file version upper\t\t\t\t: %" PRIu32 ".%" PRIu32 "\n",

       function,

       value_32bit >> 16,

       value_32bit & 0x0000ffffUL );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 12 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file version lower\t\t\t\t: %" PRIu32 ".%" PRIu32 "\n",

       function,

       value_32bit >> 16,

       value_32bit & 0x0000ffffUL );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 16 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: product version upper\t\t\t: %" PRIu32 ".%" PRIu32 "\n",

       function,

       value_32bit >> 16,

       value_32bit & 0x0000ffffUL );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 20 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: product version lower\t\t\t: %" PRIu32 ".%" PRIu32 "\n",

       function,

       value_32bit >> 16,

       value_32bit & 0x0000ffffUL );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 24 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file flags bitmask\t\t\t\t: 0x%08" PRIx32 "\n",

       function,

       value_32bit );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 28 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file flags\t\t\t\t\t: 0x%08" PRIx32 "\n",

       function,

       value_32bit );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 32 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file operating system\t\t\t: 0x%08" PRIx32 "\n",

       function,

       value_32bit );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 36 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file type\t\t\t\t\t: 0x%08" PRIx32 "\n",

       function,

       value_32bit );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 40 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file sub type\t\t\t\t: 0x%08" PRIx32 "\n",

       function,

       value_32bit );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 44 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file time upper\t\t\t\t: 0x%08" PRIx32 "\n",

       function,

       value_32bit );

      byte_stream_copy_to_uint32_little_endian(

       &( version_resource_data[ resource_data_offset + 48 ] ),

       value_32bit );

      libcnotify_printf(

       "%s: file time lower\t\t\t\t: 0x%08" PRIx32 "\n",

       function,

       value_32bit );

      libcnotify_printf(

       "\n" );

    }

#endif

    resource_data_offset += value_data_size;

  }

  if( ( resource_data_offset % 4 ) != 0 )

  {

    alignment_padding_size = 4 - ( resource_data_offset % 4 );

#if defined( HAVE_DEBUG_OUTPUT )

    if( libcnotify_verbose != 0 )

    {

      libcnotify_printf(

       "%s: alignment padding:\n",

       function );

      libcnotify_print_data(

       &( version_resource_data[ resource_data_offset ] ),

       alignment_padding_size,

       0 );

    }

#endif

    resource_data_offset += alignment_padding_size;

  }

  read_count = libwrc_version_values_read_string_file_information(

                language_entry,

                version_resource_data,

                resource_data_size,

                resource_data_offset,

                error );

  if( read_count == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_READ_FAILED,

     "%s: unable to read string file information.",

     function );

    goto on_error;

  }

  resource_data_offset += read_count;

  read_count = libwrc_version_values_read_variable_file_information(

                language_entry,

                version_resource_data,

                resource_data_size,

                resource_data_offset,

                error );

  if( read_count == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_READ_FAILED,

     "%s: unable to read variable file information.",

     function );

    goto on_error;

  }

#if defined( HAVE_DEBUG_OUTPUT )

  resource_data_offset += read_count;

#endif

/* TODO */

  if( libwrc_language_entry_append_value(

       language_entry,

       &value_index,

       (intptr_t *) version_values,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,

     "%s: unable to append version values.",

     function );

    goto on_error;

  }

  version_values = NULL;

  memory_free(

   resource_data );

  return( 1 );

on_error:

  if( value_identifier != NULL )

  {

    libfvalue_value_free(

     &value_identifier,

     NULL );

  }

  if( resource_data != NULL )

  {

    memory_free(

     resource_data );

  }

  if( version_values != NULL )

  {

    libwrc_version_values_free(

     &version_values,

     NULL );

  }

  return( -1 );

}

/* Reads the version (resource) string file information

 * Returns number of bytes read if successful or -1 on error

 */

ssize_t libwrc_version_values_read_string_file_information(

         libwrc_language_entry_t *language_entry,

         const uint8_t *resource_data,

         size_t resource_data_size,

         size_t resource_data_offset,

         libcerror_error_t **error )

{

  uint8_t *value_identifier_string    = NULL;

  static char *function               = "libwrc_version_values_read_string_file_information";

  size_t alignment_padding_size       = 0;

  size_t calculated_value_data_size   = 0;

  size_t resource_data_start_offset   = 0;

  size_t trailing_data_size           = 0;

  size_t value_identifier_string_size = 0;

  ssize_t read_count                  = 0;

  uint16_t data_size                  = 0;

  uint16_t value_data_size            = 0;

  uint16_t value_data_type            = 0;

  if( language_entry == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid language entry.",

     function );

    return( -1 );

  }

  if( resource_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid resource data.",

     function );

    return( -1 );

  }

  if( resource_data_size > (size_t) SSIZE_MAX )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,

     "%s: invalid resource data size value exceeds maximum.",

     function );

    return( -1 );

  }

  if( resource_data_offset >= resource_data_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

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

     function );

    return( -1 );

  }

  if( ( resource_data_offset + 2 ) > resource_data_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: invalid resource data value too small.",

     function );

    return( -1 );

  }

  resource_data_start_offset = resource_data_offset;

  byte_stream_copy_to_uint16_little_endian(

   &( resource_data[ resource_data_offset ] ),

   data_size );

  resource_data_offset += 2;

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: data size\t\t: %" PRIu16 "\n",

     function,

     data_size );

  }

#endif

  if( data_size != 0 )

  {

    if( ( data_size < 8 )

     || ( data_size > ( resource_data_size - ( resource_data_offset - 2 ) ) ) )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

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

       function );

      return( -1 );

    }

    byte_stream_copy_to_uint16_little_endian(

     &( resource_data[ resource_data_offset ] ),

     value_data_size );

    resource_data_offset += 2;

    byte_stream_copy_to_uint16_little_endian(

     &( resource_data[ resource_data_offset ] ),

     value_data_type );

    resource_data_offset += 2;

#if defined( HAVE_DEBUG_OUTPUT )

    if( libcnotify_verbose != 0 )

    {

      libcnotify_printf(

       "%s: value data size\t: %" PRIu16 "\n",

       function,

       value_data_size );

      libcnotify_printf(

       "%s: value data type\t: %" PRIu16 "\n",

       function,

       value_data_type );

    }

#endif

    value_identifier_string      = (uint8_t *) &( resource_data[ resource_data_offset ] );

    value_identifier_string_size = 0;

    while( ( resource_data_offset + 2 ) < resource_data_size )

    {

      value_identifier_string_size += 2;

      if( ( resource_data[ resource_data_offset ] == 0 )

       && ( resource_data[ resource_data_offset + 1 ] == 0 ) )

      {

        resource_data_offset += 2;

        break;

      }

      resource_data_offset += 2;

    }

#if defined( HAVE_DEBUG_OUTPUT )

    if( libcnotify_verbose != 0 )

    {

      libcnotify_printf(

       "%s: value identifier string data:\n",

       function );

      libcnotify_print_data(

       value_identifier_string,

       value_identifier_string_size,

       0 );

    }

#endif

/* TODO convert string */

    if( ( resource_data_offset % 4 ) != 0 )

    {

      alignment_padding_size = 4 - ( resource_data_offset % 4 );

#if defined( HAVE_DEBUG_OUTPUT )

      if( libcnotify_verbose != 0 )

      {

        libcnotify_printf(

         "%s: alignment padding:\n",

         function );

        libcnotify_print_data(

         &( resource_data[ resource_data_offset ] ),

         alignment_padding_size,

         0 );

      }

#endif

      resource_data_offset += alignment_padding_size;

    }

    if( value_data_type == 1 )

    {

/* TODO check value_data_size == 0 ? */

      read_count = libwrc_version_values_read_string_table(

              language_entry,

              resource_data,

              resource_data_size,

              resource_data_offset,

              error );

      if( read_count == -1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read string table.",

         function );

        return( -1 );

      }

      resource_data_offset += read_count;

    }

/* TODO print unsupported type warning */

    calculated_value_data_size = resource_data_offset - resource_data_start_offset;

    if( calculated_value_data_size < data_size )

    {

      trailing_data_size = data_size - trailing_data_size;

#if defined( HAVE_DEBUG_OUTPUT )

      if( libcnotify_verbose != 0 )

      {

        libcnotify_printf(

         "%s: trailing data:\n",

         function );

        libcnotify_print_data(

         &( resource_data[ resource_data_offset ] ),

         trailing_data_size,

         0 );

      }

#endif

      resource_data_offset += trailing_data_size;

    }

  }

  return( (ssize_t) data_size );

}

/* Reads the version (resource) string table

 * Returns number of bytes read if successful or -1 on error

 */

ssize_t libwrc_version_values_read_string_table(

         libwrc_language_entry_t *language_entry,

         const uint8_t *resource_data,

         size_t resource_data_size,

         size_t resource_data_offset,

         libcerror_error_t **error )

{

  uint8_t *value_identifier_string    = NULL;

  static char *function               = "libwrc_version_values_read_string_table";

  size_t alignment_padding_size       = 0;

  size_t calculated_value_data_size   = 0;

  size_t resource_data_start_offset   = 0;

  size_t trailing_data_size           = 0;

  size_t value_identifier_string_size = 0;

  ssize_t read_count                  = 0;

  uint16_t data_size                  = 0;

  uint16_t value_data_size            = 0;

  uint16_t value_data_type            = 0;

  if( language_entry == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid language entry.",