// SPDX-License-Identifier: 0BSD

///////////////////////////////////////////////////////////////////////////////

//

/// \file       simple_encoder.c

/// \brief      Properties encoder for simple filters

//

//  Author:     Lasse Collin

//

///////////////////////////////////////////////////////////////////////////////

#include "simple_encoder.h"

extern lzma_ret

lzma_simple_props_size(uint32_t *size, const void *options)

{

  const lzma_options_bcj *const opt = options;

  *size = (opt == NULL || opt->start_offset == 0) ? 0 : 4;

  return LZMA_OK;

}

extern lzma_ret

lzma_simple_props_encode(const void *options, uint8_t *out)

{

  const lzma_options_bcj *const opt = options;

  // The default start offset is zero, so we don't need to store any

  // options unless the start offset is non-zero.

  if (opt == NULL || opt->start_offset == 0)

    return LZMA_OK;

  write32le(out, opt->start_offset);

  return LZMA_OK;

}