/src/libmodi/libfmos/libfmos_lzfse.c

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/*
 * LZFSE (un)compression functions
 *
 * Copyright (C) 2019-2024, 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 "libfmos_definitions.h"
#include "libfmos_libcerror.h"
#include "libfmos_libcnotify.h"
#include "libfmos_lzfse.h"
#include "libfmos_lzfse_bit_stream.h"
#include "libfmos_lzfse_decoder.h"
#include "libfmos_lzvn.h"

const uint8_t libfmos_lzfse_frequency_number_of_bits_table[ 32 ] = {
      2, 3, 2, 5, 2, 3, 2, 8, 2, 3, 2, 5, 2, 3, 2, 14,
      2, 3, 2, 5, 2, 3, 2, 8, 2, 3, 2, 5, 2, 3, 2, 14 };

const uint16_t libfmos_lzfse_frequency_value_table[ 32 ] = {
      0, 2, 1, 4, 0, 3, 1, 0xffff, 0, 2, 1, 5, 0, 3, 1, 0xffff,
      0, 2, 1, 6, 0, 3, 1, 0xffff, 0, 2, 1, 7, 0, 3, 1, 0xffff };

const uint8_t libfmos_lzfse_d_value_bits_table[ LIBFMOS_LZFSE_NUMBER_OF_D_VALUE_SYMBOLS ] = {
  0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3,
  4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7,
  8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11,
  12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15 };

const int32_t libfmos_lzfse_d_value_base_table[ LIBFMOS_LZFSE_NUMBER_OF_D_VALUE_SYMBOLS ] = {
  0, 1, 2, 3, 4, 6, 8, 10, 12, 16, 20, 24, 28, 36, 44, 52,
        60, 76, 92, 108, 124, 156, 188, 220, 252, 316, 380, 444, 508, 636, 764, 892,
        1020, 1276, 1532, 1788, 2044, 2556, 3068, 3580, 4092, 5116, 6140, 7164, 8188, 10236, 12284, 14332,
        16380, 20476, 24572, 28668, 32764, 40956, 49148, 57340, 65532, 81916, 98300, 114684, 131068, 163836, 196604, 229372 };

const uint8_t libfmos_lzfse_l_value_bits_table[ LIBFMOS_LZFSE_NUMBER_OF_L_VALUE_SYMBOLS ] = {
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  2, 3, 5, 8 };

const int32_t libfmos_lzfse_l_value_base_table[ LIBFMOS_LZFSE_NUMBER_OF_L_VALUE_SYMBOLS ] = {
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
        16, 20, 28, 60 };

const uint8_t libfmos_lzfse_m_value_bits_table[ LIBFMOS_LZFSE_NUMBER_OF_M_VALUE_SYMBOLS ] = {
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        3, 5, 8, 11 };

const int32_t libfmos_lzfse_m_value_base_table[ LIBFMOS_LZFSE_NUMBER_OF_M_VALUE_SYMBOLS ] = {
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
        16, 24, 56, 312 };

#if defined( _MSC_VER )
#define libfmos_lzfse_count_leading_zeros( value ) \
  __lzcnt( (unsigned int) value )

#else
#define libfmos_lzfse_count_leading_zeros( value ) \
  __builtin_clz( (unsigned int) value )
#endif

/* Builds a decoder table
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_build_decoder_table(
     int number_of_states,
     uint16_t number_of_symbols,
     const uint16_t *frequency_table,
     libfmos_lzfse_decoder_entry_t *decoder_table,
     libcerror_error_t **error )
{
  libfmos_lzfse_decoder_entry_t *decoder_entry = NULL;
  static char *function                        = "libfmos_lzfse_build_decoder_table";
  uint16_t symbol                              = 0;
  int16_t delta                                = 0;
  int base_decoder_weight                      = 0;
  int decoder_weight                           = 0;
  int decoder_table_index                      = 0;
  int frequency                                = 0;
  int number_of_bits                           = 0;
  int number_of_leading_zeros                  = 0;
  int sum_of_frequencies                       = 0;

  if( number_of_symbols > 256 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid number of symbols value out of bounds.",
     function );

    return( -1 );
  }
  if( frequency_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid frequency table.",
     function );

    return( -1 );
  }
  if( decoder_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid decoder table.",
     function );

    return( -1 );
  }
  number_of_leading_zeros = (int) libfmos_lzfse_count_leading_zeros( number_of_states );

  for( symbol = 0;
       symbol < number_of_symbols;
       symbol++ )
  {
    frequency = frequency_table[ symbol ];

    /* 0 occurrences of the symbol
     */
    if( frequency == 0 )
    {
      continue;
    }
    sum_of_frequencies += frequency;

    if( sum_of_frequencies > number_of_states )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid sum of frequencies value out of bounds.",
       function );

      return( -1 );
    }
    number_of_bits = (int) libfmos_lzfse_count_leading_zeros( frequency ) - number_of_leading_zeros;

    base_decoder_weight = ( ( 2 * number_of_states ) >> number_of_bits ) - frequency;

    for( decoder_weight = 0;
         decoder_weight < frequency;
         decoder_weight++ )
    {
      decoder_entry = &( decoder_table[ decoder_table_index++ ] );

      decoder_entry->number_of_bits = (int8_t) number_of_bits;
      decoder_entry->symbol         = (uint8_t) symbol;

      if( decoder_weight < base_decoder_weight )
      {
        delta = (int16_t) ( ( ( frequency + decoder_weight ) << number_of_bits ) - number_of_states );
      }
      else
      {
        decoder_entry->number_of_bits -= 1;

        delta = (int16_t) ( ( decoder_weight - base_decoder_weight ) << ( number_of_bits - 1 ) );
      }
      decoder_entry->delta = delta;
    }
  }
  return( 1 );
}

/* Builds a value decoder table
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_build_value_decoder_table(
     int number_of_states,
     uint16_t number_of_symbols,
     const uint16_t *frequency_table,
     const uint8_t *value_bits_table,
     const int32_t *value_base_table,
     libfmos_lzfse_value_decoder_entry_t *value_decoder_table,
     libcerror_error_t **error )
{
  libfmos_lzfse_value_decoder_entry_t *value_decoder_entry = NULL;
  static char *function                                    = "libfmos_lzfse_build_value_decoder_table";
  int32_t value_base                                       = 0;
  uint16_t symbol                                          = 0;
  int16_t delta                                            = 0;
  uint8_t value_bits                                       = 0;
  int base_decoder_weight                                  = 0;
  int decoder_weight                                       = 0;
  int decoder_table_index                                  = 0;
  int frequency                                            = 0;
  int number_of_bits                                       = 0;
  int number_of_leading_zeros                              = 0;
  int sum_of_frequencies                                   = 0;

  if( number_of_symbols > 256 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid number of symbols value out of bounds.",
     function );

    return( -1 );
  }
  if( frequency_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid frequency table.",
     function );

    return( -1 );
  }
  if( value_bits_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid value bits table.",
     function );

    return( -1 );
  }
  if( value_base_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid value base table.",
     function );

    return( -1 );
  }
  if( value_decoder_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid value decoder table.",
     function );

    return( -1 );
  }
  number_of_leading_zeros = (int) libfmos_lzfse_count_leading_zeros( number_of_states );

  for( symbol = 0;
       symbol < number_of_symbols;
       symbol++ )
  {
    frequency = frequency_table[ symbol ];

    /* 0 occurrences of the symbol
     */
    if( frequency == 0 )
    {
      continue;
    }
    sum_of_frequencies += frequency;

    if( sum_of_frequencies > number_of_states )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid sum of frequencies value out of bounds.",
       function );

      return( -1 );
    }
    number_of_bits = (int) libfmos_lzfse_count_leading_zeros( frequency ) - number_of_leading_zeros;

    base_decoder_weight = ( ( 2 * number_of_states ) >> number_of_bits ) - frequency;

    value_bits = value_bits_table[ symbol ];
    value_base = value_base_table[ symbol ];

    for( decoder_weight = 0;
         decoder_weight < frequency;
         decoder_weight++ )
    {
      value_decoder_entry = &( value_decoder_table[ decoder_table_index++ ] );

      value_decoder_entry->value_bits     = value_bits;
      value_decoder_entry->value_base     = value_base;
      value_decoder_entry->value_bitmask  = ( (uint32_t) 1UL << value_bits ) - 1;
      value_decoder_entry->number_of_bits = (uint8_t) ( number_of_bits + value_bits );

      if( decoder_weight < base_decoder_weight )
      {
        delta = (int16_t) ( ( ( frequency + decoder_weight ) << number_of_bits ) - number_of_states );
      }
      else
      {
        value_decoder_entry->number_of_bits -= 1;

        delta = (int16_t) ( ( decoder_weight - base_decoder_weight ) << ( number_of_bits - 1 ) );
      }
      value_decoder_entry->delta = delta;
    }
  }
  return( 1 );
}

/* Reads a LZFSE compressed block header with uncompressed tables (version 1)
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_read_block_v1_header(
     libfmos_lzfse_decoder_t *decoder,
     const uint8_t *compressed_data,
     size_t compressed_data_size,
     size_t *compressed_data_offset,
     uint16_t *frequency_table,
     libcerror_error_t **error )
{
  static char *function              = "libfmos_lzfse_read_block_v1_header";
  size_t safe_compressed_data_offset = 0;
  uint32_t compressed_block_size     = 0;
  uint32_t literal_bits              = 0;
  uint32_t lmd_values_bits           = 0;
  uint16_t table_index               = 0;
  uint8_t literal_decoder_index      = 0;

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

    return( -1 );
  }
  if( compressed_data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid compressed data.",
     function );

    return( -1 );
  }
  if( ( compressed_data_size < 762 )
   || ( compressed_data_size > (size_t) SSIZE_MAX ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid compressed data size value out of bounds.",
     function );

    return( -1 );
  }
  if( compressed_data_offset == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid compressed data offset.",
     function );

    return( -1 );
  }
  safe_compressed_data_offset = *compressed_data_offset;

  if( safe_compressed_data_offset > ( compressed_data_size - 762 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid compressed data offset value out of bounds.",
     function );

    return( -1 );
  }
  if( frequency_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid frequency table.",
     function );

    return( -1 );
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: v1 block header data:\n",
     function );
    libcnotify_print_data(
     &( compressed_data[ safe_compressed_data_offset ] ),
     762,
     0 );
  }
#endif
  byte_stream_copy_to_uint32_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   compressed_block_size );

  safe_compressed_data_offset += 4;

  byte_stream_copy_to_uint32_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   decoder->number_of_literals );

  safe_compressed_data_offset += 4;

  byte_stream_copy_to_uint32_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   decoder->number_of_lmd_values );

  safe_compressed_data_offset += 4;

  byte_stream_copy_to_uint32_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   decoder->literals_data_size );

  safe_compressed_data_offset += 4;

  byte_stream_copy_to_uint32_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   decoder->lmd_values_data_size );

  safe_compressed_data_offset += 4;

  byte_stream_copy_to_uint32_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   literal_bits );

  safe_compressed_data_offset += 4;

  for( literal_decoder_index = 0;
       literal_decoder_index < 4;
       literal_decoder_index++ )
  {
    byte_stream_copy_to_uint16_little_endian(
     &( compressed_data[ safe_compressed_data_offset ] ),
     decoder->literal_states[ literal_decoder_index ] );

    safe_compressed_data_offset += 2;
  }
  byte_stream_copy_to_uint32_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   lmd_values_bits );

  safe_compressed_data_offset += 4;

  byte_stream_copy_to_uint16_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   decoder->l_value_state );

  safe_compressed_data_offset += 2;

  byte_stream_copy_to_uint16_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   decoder->m_value_state );

  safe_compressed_data_offset += 2;

  byte_stream_copy_to_uint16_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   decoder->d_value_state );

  safe_compressed_data_offset += 2;

  for( table_index = 0;
       table_index < 360;
       table_index++ )
  {
    byte_stream_copy_to_uint16_little_endian(
     &( compressed_data[ safe_compressed_data_offset ] ),
     frequency_table[ table_index ] );

    safe_compressed_data_offset += 2;
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: compressed block size\t\t: %" PRIu32 "\n",
     function,
     compressed_block_size );

    libcnotify_printf(
     "%s: number of literals\t\t\t: %" PRIu32 "\n",
     function,
     decoder->number_of_literals );

    libcnotify_printf(
     "%s: number of L, M, D values\t\t: %" PRIu32 "\n",
     function,
     decoder->number_of_lmd_values );

    libcnotify_printf(
     "%s: literals data size\t\t\t: %" PRIu32 "\n",
     function,
     decoder->literals_data_size );

    libcnotify_printf(
     "%s: L, M, D values data size\t\t: %" PRIu32 "\n",
     function,
     decoder->lmd_values_data_size );

    libcnotify_printf(
     "%s: literal_bits\t\t\t: %" PRIi32 "\n",
     function,
     (int32_t) literal_bits );

    for( literal_decoder_index = 0;
         literal_decoder_index < 4;
         literal_decoder_index++ )
    {
      libcnotify_printf(
       "%s: literal_state[ %" PRIu8 " ]\t\t\t: %" PRIu16 "\n",
       function,
       literal_decoder_index,
       decoder->literal_states[ literal_decoder_index ] );
    }
    libcnotify_printf(
     "%s: lmd_values_bits\t\t\t: %" PRIi32 "\n",
     function,
     (int32_t) lmd_values_bits );

    libcnotify_printf(
     "%s: L value state\t\t\t: %" PRIu16 "\n",
     function,
     decoder->l_value_state );

    libcnotify_printf(
     "%s: M value state\t\t\t: %" PRIu16 "\n",
     function,
     decoder->m_value_state );

    libcnotify_printf(
     "%s: D value state\t\t\t: %" PRIu16 "\n",
     function,
     decoder->d_value_state );

    for( table_index = 0;
         table_index < 360;
         table_index++ )
    {
      if( frequency_table[ table_index ] != 0 )
      {
        libcnotify_printf(
         "%s: frequency table: %d value\t\t: %" PRIu16 "\n",
         function,
         table_index,
         frequency_table[ table_index ] );
      }
    }
    libcnotify_printf(
     "\n" );
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  decoder->literal_bits    = (int32_t) literal_bits;
  decoder->lmd_values_bits = (int32_t) lmd_values_bits;

  *compressed_data_offset = safe_compressed_data_offset;

  return( 1 );
}

/* Reads a LZFSE compressed block header with compressed tables (version 2)
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_read_block_v2_header(
     libfmos_lzfse_decoder_t *decoder,
     const uint8_t *compressed_data,
     size_t compressed_data_size,
     size_t *compressed_data_offset,
     uint16_t *frequency_table,
     libcerror_error_t **error )
{
  static char *function              = "libfmos_lzfse_read_block_v2_header";
  size_t safe_compressed_data_offset = 0;
  uint64_t packed_fields1            = 0;
  uint64_t packed_fields2            = 0;
  uint64_t packed_fields3            = 0;
  uint32_t header_size               = 0;

#if defined( HAVE_DEBUG_OUTPUT )
  uint16_t table_index               = 0;
  uint8_t literal_decoder_index      = 0;
#endif

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

    return( -1 );
  }
  if( compressed_data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid compressed data.",
     function );

    return( -1 );
  }
  if( ( compressed_data_size < 24 )
   || ( compressed_data_size > (size_t) SSIZE_MAX ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid compressed data size value out of bounds.",
     function );

    return( -1 );
  }
  if( compressed_data_offset == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid compressed data offset.",
     function );

    return( -1 );
  }
  safe_compressed_data_offset = *compressed_data_offset;

  if( safe_compressed_data_offset > ( compressed_data_size - 24 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid compressed data offset value out of bounds.",
     function );

    return( -1 );
  }
  if( frequency_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid frequency table.",
     function );

    return( -1 );
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: v2 block header data:\n",
     function );
    libcnotify_print_data(
     &( compressed_data[ safe_compressed_data_offset ] ),
     24,
     0 );
  }
#endif
  byte_stream_copy_to_uint64_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   packed_fields1 );

  safe_compressed_data_offset += 8;

  byte_stream_copy_to_uint64_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   packed_fields2 );

  safe_compressed_data_offset += 8;

  byte_stream_copy_to_uint64_little_endian(
   &( compressed_data[ safe_compressed_data_offset ] ),
   packed_fields3 );

  safe_compressed_data_offset += 8;

#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: packed fields 1\t\t\t: 0x%08" PRIx64 "\n",
     function,
     packed_fields1 );

    libcnotify_printf(
     "%s: packed fields 2\t\t\t: 0x%08" PRIx64 "\n",
     function,
     packed_fields2 );

    libcnotify_printf(
     "%s: packed fields 3\t\t\t: 0x%08" PRIx64 "\n",
     function,
     packed_fields3 );
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  decoder->number_of_literals   = (uint32_t) ( packed_fields1 & 0x000fffffUL );
  decoder->literals_data_size   = (uint32_t) ( ( packed_fields1 >> 20 ) & 0x000fffffUL );
  decoder->number_of_lmd_values = (uint32_t) ( ( packed_fields1 >> 40 ) & 0x000fffffUL );
  decoder->literal_bits         = (int32_t) ( ( packed_fields1 >> 60 ) & 0x00000007UL ) - 7;

  decoder->literal_states[ 0 ]  = (uint16_t) ( packed_fields2 & 0x000003ffUL );
  decoder->literal_states[ 1 ]  = (uint16_t) ( ( packed_fields2 >> 10 ) & 0x000003ffUL );
  decoder->literal_states[ 2 ]  = (uint16_t) ( ( packed_fields2 >> 20 ) & 0x000003ffUL );
  decoder->literal_states[ 3 ]  = (uint16_t) ( ( packed_fields2 >> 30 ) & 0x000003ffUL );
  decoder->lmd_values_data_size = (uint32_t) ( ( packed_fields2 >> 40 ) & 0x000fffffUL );
  decoder->lmd_values_bits      = (int32_t) ( ( packed_fields2 >> 60 ) & 0x00000007UL ) - 7;

  header_size                   = (uint32_t) ( packed_fields3 & 0xffffffffUL );
  decoder->l_value_state        = (uint16_t) ( ( packed_fields3 >> 32 ) & 0x000003ffUL );
  decoder->m_value_state        = (uint16_t) ( ( packed_fields3 >> 42 ) & 0x000003ffUL );
  decoder->d_value_state        = (uint16_t) ( ( packed_fields3 >> 52 ) & 0x000003ffUL );

  if( ( header_size < 32 )
   || ( header_size > 720 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid header size value out of bounds.",
     function );

    return( -1 );
  }
  if( header_size > 32 )
  {
#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      libcnotify_printf(
       "%s: compressed frequency table data:\n",
       function );
      libcnotify_print_data(
       &( compressed_data[ safe_compressed_data_offset ] ),
       header_size - 32,
       0 );
    }
#endif
    if( ( header_size > compressed_data_size )
     || ( safe_compressed_data_offset > ( compressed_data_size - header_size ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
       "%s: compressed data size value too small.",
       function );

      return( -1 );
    }
    if( libfmos_lzfse_read_compressed_frequency_table(
         &( compressed_data[ safe_compressed_data_offset ] ),
         header_size - 32,
         frequency_table,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_IO,
       LIBCERROR_IO_ERROR_READ_FAILED,
       "%s: unable to read compressed frequency table.",
       function );

      return( -1 );
    }
    safe_compressed_data_offset += (size_t) header_size - 32;
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: number of literals\t\t\t: %" PRIu32 "\n",
     function,
     decoder->number_of_literals );

    libcnotify_printf(
     "%s: number of L, M, D values\t\t: %" PRIu32 "\n",
     function,
     decoder->number_of_lmd_values );

    libcnotify_printf(
     "%s: literals data size\t\t\t: %" PRIu32 "\n",
     function,
     decoder->literals_data_size );

    libcnotify_printf(
     "%s: L, M, D values data size\t\t: %" PRIu32 "\n",
     function,
     decoder->lmd_values_data_size );

    libcnotify_printf(
     "%s: literal_bits\t\t\t: %" PRIi32 "\n",
     function,
     decoder->literal_bits );

    for( literal_decoder_index = 0;
         literal_decoder_index < 4;
         literal_decoder_index++ )
    {
      libcnotify_printf(
       "%s: literal_states[ %" PRIu8 " ]\t\t\t: %" PRIu16 "\n",
       function,
       literal_decoder_index,
       decoder->literal_states[ literal_decoder_index ] );
    }
    libcnotify_printf(
     "%s: lmd_bits\t\t\t\t: %" PRIi32 "\n",
     function,
     decoder->lmd_values_bits );

    libcnotify_printf(
     "%s: header size\t\t\t\t: %" PRIu32 "\n",
     function,
     header_size );

    libcnotify_printf(
     "%s: L value state\t\t\t: %" PRIu16 "\n",
     function,
     decoder->l_value_state );

    libcnotify_printf(
     "%s: M value state\t\t\t: %" PRIu16 "\n",
     function,
     decoder->m_value_state );

    libcnotify_printf(
     "%s: D value state\t\t\t: %" PRIu16 "\n",
     function,
     decoder->d_value_state );

    for( table_index = 0;
         table_index < 360;
         table_index++ )
    {
      if( frequency_table[ table_index ] != 0 )
      {
        libcnotify_printf(
         "%s: frequency table: %d value\t\t: %" PRIu16 "\n",
         function,
         table_index,
         frequency_table[ table_index ] );
      }
    }
    libcnotify_printf(
     "\n" );
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  *compressed_data_offset = safe_compressed_data_offset;

  return( 1 );
}

/* Reads a compressed frequency table bit stream
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_read_compressed_frequency_table(
     const uint8_t *compressed_data,
     size_t compressed_data_size,
     uint16_t *frequency_table,
     libcerror_error_t **error )
{
  static char *function         = "libfmos_lzfse_read_compressed_frequency_table";
  size_t compressed_data_offset = 0;
  uint32_t value_32bit          = 0;
  uint16_t frequency_value      = 0;
  int16_t table_index           = 0;
  uint8_t frequency_value_size  = 0;
  uint8_t lookup_index          = 0;
  uint8_t number_of_bits        = 0;

  if( compressed_data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid compressed data.",
     function );

    return( -1 );
  }
  if( ( compressed_data_size < 4 )
   || ( compressed_data_size > (size_t) SSIZE_MAX ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid compressed data size value out of bounds.",
     function );

    return( -1 );
  }
  if( frequency_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid frequency table.",
     function );

    return( -1 );
  }
  for( table_index = 0;
       table_index < 360;
       table_index++ )
  {
    while( ( number_of_bits <= 24 )
        && ( compressed_data_offset < compressed_data_size ) )
    {
      value_32bit    |= (uint32_t) compressed_data[ compressed_data_offset++ ] << number_of_bits;
      number_of_bits += 8;
    }
    lookup_index         = (uint8_t) ( value_32bit & 0x0000001fUL );
    frequency_value_size = libfmos_lzfse_frequency_number_of_bits_table[ lookup_index ];

    if( frequency_value_size == 8 )
    {
      frequency_value = (uint16_t) ( ( value_32bit >> 4 ) & 0x0000000fUL ) + 8;
    }
    else if( frequency_value_size == 14 )
    {
      frequency_value = (uint16_t) ( ( value_32bit >> 4 ) & 0x000003ffUL ) + 24;
    }
    else
    {
      frequency_value = libfmos_lzfse_frequency_value_table[ lookup_index ];
    }
    frequency_table[ table_index ] = frequency_value;

    value_32bit   >>= frequency_value_size;
    number_of_bits -= frequency_value_size;
  }
  return( 1 );
}

/* Reads a LZFSE compressed block
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_read_block(
     libfmos_lzfse_decoder_t *decoder,
     const uint8_t *compressed_data,
     size_t compressed_data_size,
     size_t *compressed_data_offset,
     uint8_t *uncompressed_data,
     size_t uncompressed_data_size,
     size_t *uncompressed_data_offset,
     libcerror_error_t **error )
{
  uint8_t literal_values[ LIBFMOS_LZFSE_LITERALS_PER_BLOCK + 64 ];

  libfmos_lzfse_bit_stream_t *bit_stream = NULL;
  static char *function                   = "libfmos_lzfse_read_block";
  size_t safe_compressed_data_offset      = 0;

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

    return( -1 );
  }
  if( compressed_data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid compressed data.",
     function );

    return( -1 );
  }
  if( compressed_data_size > (size_t) SSIZE_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid compressed data size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( compressed_data_offset == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid compressed offset.",
     function );

    return( -1 );
  }
  safe_compressed_data_offset = *compressed_data_offset;

  if( ( decoder->literals_data_size > compressed_data_size )
   || ( safe_compressed_data_offset > ( compressed_data_size - decoder->literals_data_size ) ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid compressed data size value out of bounds.",
     function );

    return( -1 );
  }
  if( libfmos_lzfse_bit_stream_initialize(
       &bit_stream,
       &( compressed_data[ safe_compressed_data_offset ] ),
       decoder->literals_data_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create literals bit stream.",
     function );

    goto on_error;
  }
  if( libfmos_lzfse_read_literal_values(
       decoder,
       bit_stream,
       literal_values,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_READ_FAILED,
     "%s: unable to read literal values.",
     function );

    goto on_error;
  }
  if( libfmos_lzfse_bit_stream_free(
       &bit_stream,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
     "%s: unable to free literals bit stream.",
     function );

    goto on_error;
  }
  safe_compressed_data_offset += decoder->literals_data_size;

  if( ( decoder->lmd_values_data_size > compressed_data_size )
   || ( safe_compressed_data_offset > ( compressed_data_size - decoder->lmd_values_data_size ) ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid compressed data size value out of bounds.",
     function );

    return( -1 );
  }
  if( libfmos_lzfse_bit_stream_initialize(
       &bit_stream,
       &( compressed_data[ safe_compressed_data_offset ] ),
       decoder->lmd_values_data_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create L, M, D values bit stream.",
     function );

    goto on_error;
  }
  if( libfmos_lzfse_read_lmd_values(
       decoder,
       bit_stream,
       literal_values,
       uncompressed_data,
       uncompressed_data_size,
       uncompressed_data_offset,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_READ_FAILED,
     "%s: unable to read L, M, D values.",
     function );

    goto on_error;
  }
  if( libfmos_lzfse_bit_stream_free(
       &bit_stream,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
     "%s: unable to free L, M, D values bit stream.",
     function );

    goto on_error;
  }
  safe_compressed_data_offset += decoder->lmd_values_data_size;

  *compressed_data_offset = safe_compressed_data_offset;

  return( 1 );

on_error:
  if( bit_stream != NULL )
  {
    libfmos_lzfse_bit_stream_free(
     &bit_stream,
     NULL );
  }
  return( -1 );
}

/* Reads literal values
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_read_literal_values(
     libfmos_lzfse_decoder_t *decoder,
     libfmos_lzfse_bit_stream_t *bit_stream,
     uint8_t *literal_values,
     libcerror_error_t **error )
{
  uint16_t literal_states[ 4 ];

  libfmos_lzfse_decoder_entry_t *decoder_entry = NULL;
  static char *function                        = "libfmos_lzfse_read_literal_values";
  uint32_t value_32bit                         = 0;
  uint32_t literal_value_index                 = 0;
  int32_t literal_state                        = 0;
  uint8_t literal_decoder_index                = 0;

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

    return( -1 );
  }
  if( decoder->number_of_literals > (uint32_t) ( LIBFMOS_LZFSE_LITERALS_PER_BLOCK + 64 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid decoder - number of literals value out of bounds.",
     function );

    return( -1 );
  }
  if( literal_values == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid literal values.",
     function );

    return( -1 );
  }
  literal_states[ 0 ] = decoder->literal_states[ 0 ];
  literal_states[ 1 ] = decoder->literal_states[ 1 ];
  literal_states[ 2 ] = decoder->literal_states[ 2 ];
  literal_states[ 3 ] = decoder->literal_states[ 3 ];

  if( ( decoder->literal_bits < (int32_t) -32 )
   || ( decoder->literal_bits > 0 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid decoder - literal bits value out of bounds.",
     function );

    return( -1 );
  }
  if( libfmos_lzfse_bit_stream_get_value(
       bit_stream,
       (uint8_t) ( -1 * decoder->literal_bits ),
       &value_32bit,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve value from bit stream.",
     function );

    return( -1 );
  }
  for( literal_value_index = 0;
       literal_value_index < decoder->number_of_literals;
       literal_value_index += 4 )
  {
    for( literal_decoder_index = 0;
         literal_decoder_index < 4;
         literal_decoder_index++ )
    {
      literal_state = literal_states[ literal_decoder_index ];

      if( ( literal_state < 0 )
       || ( literal_state >= LIBFMOS_LZFSE_NUMBER_OF_LITERAL_STATES ) )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
         LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
         "%s: invalid literal state value out of bounds.",
         function );

        return( -1 );
      }
      decoder_entry = &( decoder->literal_decoder_table[ literal_state ] );

      if( libfmos_lzfse_bit_stream_get_value(
           bit_stream,
           decoder_entry->number_of_bits,
           &value_32bit,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_GET_FAILED,
         "%s: unable to retrieve value from bit stream.",
         function );

        return( -1 );
      }
      literal_state = (int32_t) decoder_entry->delta + (int32_t) value_32bit;

      literal_values[ literal_value_index + literal_decoder_index ] = decoder_entry->symbol;

      literal_states[ literal_decoder_index ] = (uint16_t) literal_state;

#if defined( HAVE_DEBUG_OUTPUT )
      if( libcnotify_verbose != 0 )
      {
        libcnotify_printf(
         "%s: value\t\t\t\t: 0x%" PRIx32 " (%" PRIu8 ")\n",
         function,
         value_32bit,
         decoder_entry->number_of_bits );

        libcnotify_printf(
         "%s: literal values[ %" PRIu32 " ]\t\t\t: 0x%02" PRIx8 "\n",
         function,
         literal_value_index + literal_decoder_index,
         decoder_entry->symbol );

        libcnotify_printf(
         "%s: literal states[ %" PRIu8 " ]\t\t\t: %" PRIi32 "\n",
         function,
         literal_decoder_index,
         literal_state );
      }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */
    }
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "\n" );
  }
#endif
  return( 1 );
}

/* Reads L, M, D values
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_read_lmd_values(
     libfmos_lzfse_decoder_t *decoder,
     libfmos_lzfse_bit_stream_t *bit_stream,
     uint8_t *literal_values,
     uint8_t *uncompressed_data,
     size_t uncompressed_data_size,
     size_t *uncompressed_data_offset,
     libcerror_error_t **error )
{
  libfmos_lzfse_value_decoder_entry_t *value_decoder_entry = NULL;
  static char *function                                    = "libfmos_lzfse_read_lmd_values";
  size_t safe_uncompressed_data_offset                     = 0;
  size_t remaining_uncompressed_data_size                  = 0;
  uint32_t lmd_value_index                                 = 0;
  uint32_t value_32bit                                     = 0;
  int32_t d_value                                          = -1;
  int32_t d_value_state                                    = 0;
  int32_t l_value                                          = 0;
  int32_t l_value_index                                    = 0;
  int32_t l_value_state                                    = 0;
  int32_t literal_value_index                              = 0;
  int32_t m_value                                          = 0;
  int32_t m_value_index                                    = 0;
  int32_t m_value_state                                    = 0;
  int32_t safe_d_value                                     = 0;

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

    return( -1 );
  }
  if( literal_values == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid literal values.",
     function );

    return( -1 );
  }
  if( uncompressed_data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid uncompressed data.",
     function );

    return( -1 );
  }
  if( uncompressed_data_size > (size_t) INT32_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid uncompressed data size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( uncompressed_data_offset == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid uncompressed offset.",
     function );

    return( -1 );
  }
  safe_uncompressed_data_offset = *uncompressed_data_offset;

  if( safe_uncompressed_data_offset > uncompressed_data_size )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid uncompressed data offset value out of bounds.",
     function );

    return( -1 );
  }
  remaining_uncompressed_data_size = uncompressed_data_size - safe_uncompressed_data_offset;

  l_value_state = decoder->l_value_state;
  m_value_state = decoder->m_value_state;
  d_value_state = decoder->d_value_state;

  if( ( decoder->lmd_values_bits < (int32_t) -32 )
   || ( decoder->lmd_values_bits > 0 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid decoder - L, M, D values bits value out of bounds.",
     function );

    return( -1 );
  }
  if( libfmos_lzfse_bit_stream_get_value(
       bit_stream,
       (uint8_t) ( -1 * decoder->lmd_values_bits ),
       &value_32bit,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve value from bit stream.",
     function );

    return( -1 );
  }
  for( lmd_value_index = 0; 
       lmd_value_index < decoder->number_of_lmd_values;
       lmd_value_index++ )
  {
    if( ( l_value_state < 0 )
     || ( l_value_state >= LIBFMOS_LZFSE_NUMBER_OF_L_VALUE_STATES ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid L value state value out of bounds.",
       function );

      return( -1 );
    }
    value_decoder_entry = &( decoder->l_value_decoder_table[ l_value_state ] );

    if( libfmos_lzfse_bit_stream_get_value(
         bit_stream,
         value_decoder_entry->number_of_bits,
         &value_32bit,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value from bit stream.",
       function );

      return( -1 );
    }
    l_value_state = (int32_t) value_decoder_entry->delta + (int32_t) ( value_32bit >> value_decoder_entry->value_bits );
    l_value       = value_decoder_entry->value_base + (int32_t) ( value_32bit & value_decoder_entry->value_bitmask );

#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      libcnotify_printf(
       "%s: l_value\t\t\t\t\t: %" PRIi32 "\n",
       function,
       l_value );

      libcnotify_printf(
       "%s: l_value_state\t\t\t\t: %" PRIi32 "\n",
       function,
       l_value_state );
    }
#endif
    if( ( m_value_state < 0 )
     || ( m_value_state >= LIBFMOS_LZFSE_NUMBER_OF_M_VALUE_STATES ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid M value state value out of bounds.",
       function );

      return( -1 );
    }
    value_decoder_entry = &( decoder->m_value_decoder_table[ m_value_state ] );

    if( libfmos_lzfse_bit_stream_get_value(
         bit_stream,
         value_decoder_entry->number_of_bits,
         &value_32bit,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value from bit stream.",
       function );

      return( -1 );
    }
    m_value_state = (int32_t) value_decoder_entry->delta + (int32_t) ( value_32bit >> value_decoder_entry->value_bits );
    m_value       = value_decoder_entry->value_base + (int32_t) ( value_32bit & value_decoder_entry->value_bitmask );

#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      libcnotify_printf(
       "%s: m_value\t\t\t\t\t: %" PRIi32 "\n",
       function,
       m_value );

      libcnotify_printf(
       "%s: m_value_state\t\t\t\t: %" PRIi32 "\n",
       function,
       m_value_state );
    }
#endif
    if( ( d_value_state < 0 )
     || ( d_value_state >= LIBFMOS_LZFSE_NUMBER_OF_D_VALUE_STATES ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid D value state value out of bounds.",
       function );

      return( -1 );
    }
    value_decoder_entry = &( decoder->d_value_decoder_table[ d_value_state ] );

    if( libfmos_lzfse_bit_stream_get_value(
         bit_stream,
         value_decoder_entry->number_of_bits,
         &value_32bit,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value from bit stream.",
       function );

      return( -1 );
    }
    d_value_state = (int32_t) value_decoder_entry->delta + (int32_t) ( value_32bit >> value_decoder_entry->value_bits );
    safe_d_value  = value_decoder_entry->value_base + (int32_t) ( value_32bit & value_decoder_entry->value_bitmask );

#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      libcnotify_printf(
       "%s: d_value\t\t\t\t\t: %" PRIi32 "\n",
       function,
       safe_d_value );

      libcnotify_printf(
       "%s: d_value_state\t\t\t\t: %" PRIi32 "\n",
       function,
       d_value_state );
    }
#endif
    if( safe_d_value != 0 )
    {
      d_value = safe_d_value;
    }
    if( ( l_value < 0 )
     || ( l_value > (int32_t) remaining_uncompressed_data_size )
     || ( l_value >= ( LIBFMOS_LZFSE_LITERALS_PER_BLOCK + 64 ) )
     || ( literal_value_index > ( ( LIBFMOS_LZFSE_LITERALS_PER_BLOCK + 64 ) - l_value ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid L value out of bounds.",
       function );

      return( -1 );
    }
    for( l_value_index = 0;
         l_value_index < l_value;
         l_value_index++ )
    {
      uncompressed_data[ safe_uncompressed_data_offset++ ] = literal_values[ literal_value_index + l_value_index ];
    }
    literal_value_index              += l_value;
    remaining_uncompressed_data_size -= l_value;

    if( ( m_value < 0 )
     || ( m_value > (int32_t) remaining_uncompressed_data_size ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid M value out of bounds.",
       function );

      return( -1 );
    }
    if( ( d_value < 0 )
     || ( d_value > (int32_t) safe_uncompressed_data_offset )
     || ( ( safe_uncompressed_data_offset - d_value ) > uncompressed_data_size ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid D value out of bounds.",
       function );

      return( -1 );
    }
    for( m_value_index = 0;
         m_value_index < m_value;
         m_value_index++ )
    {
      uncompressed_data[ safe_uncompressed_data_offset ] = uncompressed_data[ safe_uncompressed_data_offset - d_value ];

      safe_uncompressed_data_offset++;
    }
    remaining_uncompressed_data_size -= m_value;
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "\n" );
  }
#endif
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: block data:\n",
     function );
    libcnotify_print_data(
     &( uncompressed_data[ *uncompressed_data_offset ] ),
     safe_uncompressed_data_offset - *uncompressed_data_offset,
     0 );
  }
#endif
  *uncompressed_data_offset = safe_uncompressed_data_offset;

  return( 1 );
}

/* Decompresses LZFSE compressed data
 * Returns 1 on success or -1 on error
 */
int libfmos_lzfse_decompress(
     const uint8_t *compressed_data,
     size_t compressed_data_size,
     uint8_t *uncompressed_data,
     size_t *uncompressed_data_size,
     libcerror_error_t **error )
{
  uint16_t frequency_table[ 360 ];

  libfmos_lzfse_decoder_t *decoder    = NULL;
  static char *function               = "libfmos_lzfse_decompress";
  size_t compressed_data_offset       = 0;
  size_t safe_uncompressed_block_size = 0;
  size_t safe_uncompressed_data_size  = 0;
  size_t uncompressed_data_offset     = 0;
  uint32_t block_marker               = 0;
  uint32_t compressed_block_size      = 0;
  uint32_t uncompressed_block_size    = 0;

  if( compressed_data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid compressed data.",
     function );

    return( -1 );
  }
  if( ( compressed_data_size < 4 )
   || ( compressed_data_size > (size_t) SSIZE_MAX ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid compressed data size value out of bounds.",
     function );

    return( -1 );
  }
  if( uncompressed_data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid uncompressed data.",
     function );

    return( -1 );
  }
  if( uncompressed_data_size == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid uncompressed data size.",
     function );

    return( -1 );
  }
  safe_uncompressed_data_size = *uncompressed_data_size;

  if( safe_uncompressed_data_size > (size_t) SSIZE_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid uncompressed data size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( memory_set(
       frequency_table,
       0,
       sizeof( uint16_t ) * 360 ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear frequency table.",
     function );

    goto on_error;
  }
  while( compressed_data_offset < compressed_data_size )
  {
    if( uncompressed_data_offset >= safe_uncompressed_data_size )
    {
      break;
    }
    if( compressed_data_offset > ( compressed_data_size - 4 ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
       "%s: compressed data size value too small.",
       function );

      goto on_error;
    }
    byte_stream_copy_to_uint32_little_endian(
     &( compressed_data[ compressed_data_offset ] ),
     block_marker );

#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      if( ( block_marker != LIBFMOS_LZFSE_ENDOFSTREAM_BLOCK_MARKER )
       && ( block_marker != LIBFMOS_LZFSE_UNCOMPRESSED_BLOCK_MARKER )
       && ( block_marker != LIBFMOS_LZFSE_COMPRESSED_BLOCK_V1_MARKER )
       && ( block_marker != LIBFMOS_LZFSE_COMPRESSED_BLOCK_V2_MARKER )
       && ( block_marker != LIBFMOS_LZFSE_COMPRESSED_BLOCK_LZVN_MARKER ) )
      {
        libcnotify_printf(
         "%s: block marker\t\t\t\t\t: 0x%08" PRIx32 "\n",
         function,
         block_marker );
      }
      else
      {
        libcnotify_printf(
         "%s: block marker\t\t\t\t\t: %c%c%c%c (",
         function,
         compressed_data[ compressed_data_offset ],
         compressed_data[ compressed_data_offset + 1 ],
         compressed_data[ compressed_data_offset + 2 ],
         compressed_data[ compressed_data_offset + 3 ] );

        switch( block_marker )
        {
          case LIBFMOS_LZFSE_ENDOFSTREAM_BLOCK_MARKER:
            libcnotify_printf(
             "end-of-stream" );
            break;

          case LIBFMOS_LZFSE_UNCOMPRESSED_BLOCK_MARKER:
            libcnotify_printf(
             "uncompressed" );
            break;

          case LIBFMOS_LZFSE_COMPRESSED_BLOCK_V1_MARKER:
            libcnotify_printf(
             "compressed version 1" );
            break;

          case LIBFMOS_LZFSE_COMPRESSED_BLOCK_V2_MARKER:
            libcnotify_printf(
             "compressed version 2" );
            break;

          case LIBFMOS_LZFSE_COMPRESSED_BLOCK_LZVN_MARKER:
            libcnotify_printf(
             "compressed LZVN" );
            break;

          default:
            libcnotify_printf(
             "UNKNOWN" );
            break;
        }
        libcnotify_printf(
         ")\n" );
      }
    }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

    compressed_data_offset += 4;

    if( block_marker == LIBFMOS_LZFSE_ENDOFSTREAM_BLOCK_MARKER )
    {
      break;
    }
    else if( ( block_marker != LIBFMOS_LZFSE_UNCOMPRESSED_BLOCK_MARKER )
          && ( block_marker != LIBFMOS_LZFSE_COMPRESSED_BLOCK_V1_MARKER )
          && ( block_marker != LIBFMOS_LZFSE_COMPRESSED_BLOCK_V2_MARKER )
          && ( block_marker != LIBFMOS_LZFSE_COMPRESSED_BLOCK_LZVN_MARKER ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
       "%s: unsupported block marker: 0x%08" PRIx32 ".",
       function,
       block_marker );

      goto on_error;
    }
    if( compressed_data_offset > ( compressed_data_size - 4 ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
       "%s: compressed data size value too small.",
       function );

      goto on_error;
    }
    byte_stream_copy_to_uint32_little_endian(
     &( compressed_data[ compressed_data_offset ] ),
     uncompressed_block_size );

    compressed_data_offset += 4;

#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      libcnotify_printf(
       "%s: uncompressed block size\t\t\t: %" PRIu32 "\n",
       function,
       uncompressed_block_size );
    }
#endif
/* TODO check if uncompressed data is sufficiently large and error if not */

    switch( block_marker )
    {
      case LIBFMOS_LZFSE_COMPRESSED_BLOCK_V1_MARKER:
        if( libfmos_lzfse_decoder_initialize(
             &decoder,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
           "%s: unable to create decoder.",
           function );

          goto on_error;
        }
        if( libfmos_lzfse_read_block_v1_header(
             decoder,
             compressed_data,
             compressed_data_size,
             &compressed_data_offset,
             frequency_table,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_IO,
           LIBCERROR_IO_ERROR_READ_FAILED,
           "%s: unable to read block v1 header.",
           function );

          goto on_error;
        }
        break;

      case LIBFMOS_LZFSE_COMPRESSED_BLOCK_V2_MARKER:
        if( libfmos_lzfse_decoder_initialize(
             &decoder,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
           "%s: unable to create decoder.",
           function );

          goto on_error;
        }
        if( libfmos_lzfse_read_block_v2_header(
             decoder,
             compressed_data,
             compressed_data_size,
             &compressed_data_offset,
             frequency_table,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_IO,
           LIBCERROR_IO_ERROR_READ_FAILED,
           "%s: unable to read block v2 header.",
           function );

          goto on_error;
        }
        break;

      case LIBFMOS_LZFSE_COMPRESSED_BLOCK_LZVN_MARKER:
        if( compressed_data_offset > ( compressed_data_size - 4 ) )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
           LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
           "%s: compressed data size value too small.",
           function );

          goto on_error;
        }
        byte_stream_copy_to_uint32_little_endian(
         &( compressed_data[ compressed_data_offset ] ),
         compressed_block_size );

        compressed_data_offset += 4;

#if defined( HAVE_DEBUG_OUTPUT )
        if( libcnotify_verbose != 0 )
        {
          libcnotify_printf(
           "%s: compressed block size\t\t\t\t: %" PRIu32 "\n",
           function,
           compressed_block_size );

          libcnotify_printf(
           "\n" );
        }
#endif
        break;
    }
    if( ( (size_t) uncompressed_block_size > safe_uncompressed_data_size )
     || ( uncompressed_data_offset > ( safe_uncompressed_data_size - uncompressed_block_size ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: uncompressed block size value exceeds uncompressed data size.",
       function );

      goto on_error;
    }
    switch( block_marker )
    {
      case LIBFMOS_LZFSE_UNCOMPRESSED_BLOCK_MARKER:
        if( ( (size_t) uncompressed_block_size > compressed_data_size )
         || ( compressed_data_offset > ( compressed_data_size - uncompressed_block_size ) ) )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
           "%s: uncompressed block size value exceeds compressed data size.",
           function );

          goto on_error;
        }
#if defined( HAVE_DEBUG_OUTPUT )
        if( libcnotify_verbose != 0 )
        {
          libcnotify_printf(
           "%s: uncompressed:\n",
           function );
          libcnotify_print_data(
           &( compressed_data[ compressed_data_offset ] ),
           uncompressed_block_size,
           LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
        }
#endif
        if( memory_copy(
             &( uncompressed_data[ uncompressed_data_offset ] ),
             &( compressed_data[ compressed_data_offset ] ),
             (size_t) uncompressed_block_size ) == NULL )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_MEMORY,
           LIBCERROR_MEMORY_ERROR_COPY_FAILED,
           "%s: unable to copy literal to uncompressed data.",
           function );

          goto on_error;
        }
        compressed_data_offset   += (size_t) uncompressed_block_size;
        uncompressed_data_offset += (size_t) uncompressed_block_size;

        break;

      case LIBFMOS_LZFSE_COMPRESSED_BLOCK_V1_MARKER:
      case LIBFMOS_LZFSE_COMPRESSED_BLOCK_V2_MARKER:
        if( libfmos_lzfse_build_decoder_table(
             LIBFMOS_LZFSE_NUMBER_OF_LITERAL_STATES,
             LIBFMOS_LZFSE_NUMBER_OF_LITERAL_SYMBOLS,
             &( frequency_table[ 104 ] ),
             decoder->literal_decoder_table,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
           "%s: unable to build literal decoder table.",
           function );

          goto on_error;
        }
        if( libfmos_lzfse_build_value_decoder_table(
             LIBFMOS_LZFSE_NUMBER_OF_L_VALUE_STATES,
             LIBFMOS_LZFSE_NUMBER_OF_L_VALUE_SYMBOLS,
             &( frequency_table[ 0 ] ),
             libfmos_lzfse_l_value_bits_table,
             libfmos_lzfse_l_value_base_table,
             decoder->l_value_decoder_table,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
           "%s: unable to build L value decoder table.",
           function );

          goto on_error;
        }
        if( libfmos_lzfse_build_value_decoder_table(
             LIBFMOS_LZFSE_NUMBER_OF_M_VALUE_STATES,
             LIBFMOS_LZFSE_NUMBER_OF_M_VALUE_SYMBOLS,
             &( frequency_table[ 20 ] ),
             libfmos_lzfse_m_value_bits_table,
             libfmos_lzfse_m_value_base_table,
             decoder->m_value_decoder_table,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
           "%s: unable to build M value decoder table.",
           function );

          goto on_error;
        }
        if( libfmos_lzfse_build_value_decoder_table(
             LIBFMOS_LZFSE_NUMBER_OF_D_VALUE_STATES,
             LIBFMOS_LZFSE_NUMBER_OF_D_VALUE_SYMBOLS,
             &( frequency_table[ 40 ] ),
             libfmos_lzfse_d_value_bits_table,
             libfmos_lzfse_d_value_base_table,
             decoder->d_value_decoder_table,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
           "%s: unable to build D value decoder table.",
           function );

          goto on_error;
        }
        if( libfmos_lzfse_read_block(
             decoder,
             compressed_data,
             compressed_data_size,
             &compressed_data_offset,
             uncompressed_data,
             safe_uncompressed_data_size,
             &uncompressed_data_offset,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_IO,
           LIBCERROR_IO_ERROR_READ_FAILED,
           "%s: unable to read block.",
           function );

          goto on_error;
        }
        if( libfmos_lzfse_decoder_free(
             &decoder,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
           "%s: unable to free decoder.",
           function );

          goto on_error;
        }
        break;

      case LIBFMOS_LZFSE_COMPRESSED_BLOCK_LZVN_MARKER:
        if( ( (size_t) compressed_block_size > compressed_data_size )
         || ( compressed_data_offset > ( compressed_data_size - compressed_block_size ) ) )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
           "%s: compressed block size value exceeds compressed data size.",
           function );

          goto on_error;
        }
        safe_uncompressed_block_size = (size_t) uncompressed_block_size;

        if( libfmos_lzvn_decompress(
             &( compressed_data[ compressed_data_offset ] ),
             compressed_block_size,
             &( uncompressed_data[ uncompressed_data_offset ] ),
             &safe_uncompressed_block_size,
             error ) != 1 )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_COMPRESSION,
           LIBCERROR_COMPRESSION_ERROR_DECOMPRESS_FAILED,
           "%s: unable to decompress LZVN compressed data.",
           function );

          goto on_error;
        }
        compressed_data_offset   += (size_t) compressed_block_size;
        uncompressed_data_offset += (size_t) uncompressed_block_size;

        break;
    }
  }
  *uncompressed_data_size = uncompressed_data_offset;

  return( 1 );

on_error:
  if( decoder != NULL )
  {
    libfmos_lzfse_decoder_free(
     &decoder,
     NULL );
  }
  return( -1 );
}


Coverage Report

Created: 2025-06-13 07:21