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///////////////////////////////////////////////////////////////////////////////
//
/// \file simple_encoder.c
/// \brief Properties encoder for simple filters
//
// Copyright (C) 2007-2008 Lasse Collin
//
// This library 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 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
///////////////////////////////////////////////////////////////////////////////
#include "simple_encoder.h"
extern lzma_ret
lzma_simple_props_size(uint32_t *size, const void *options)
{
const lzma_options_simple *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_simple *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;
integer_write_32(out, opt->start_offset);
return LZMA_OK;
}
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