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39 lines
993 B
39 lines
993 B
10 years ago
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///////////////////////////////////////////////////////////////////////////////
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//
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/// \file simple_encoder.c
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/// \brief Properties encoder for simple filters
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//
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// Author: Lasse Collin
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//
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// This file has been put into the public domain.
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// You can do whatever you want with this file.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "simple_encoder.h"
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extern lzma_ret
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lzma_simple_props_size(uint32_t *size, const void *options)
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{
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const lzma_options_bcj *const opt = options;
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*size = (opt == NULL || opt->start_offset == 0) ? 0 : 4;
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return LZMA_OK;
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}
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extern lzma_ret
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lzma_simple_props_encode(const void *options, uint8_t *out)
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{
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const lzma_options_bcj *const opt = options;
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// The default start offset is zero, so we don't need to store any
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// options unless the start offset is non-zero.
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if (opt == NULL || opt->start_offset == 0)
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return LZMA_OK;
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unaligned_write32le(out, opt->start_offset);
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return LZMA_OK;
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}
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