1 ///////////////////////////////////////////////////////////////////////////////
3 /// \file simple_encoder.c
4 /// \brief Properties encoder for simple filters
6 // Copyright (C) 2007-2008 Lasse Collin
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Lesser General Public
10 // License as published by the Free Software Foundation; either
11 // version 2.1 of the License, or (at your option) any later version.
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Lesser General Public License for more details.
18 ///////////////////////////////////////////////////////////////////////////////
20 #include "simple_encoder.h"
24 lzma_simple_props_size(uint32_t *size, const void *options)
26 const lzma_options_bcj *const opt = options;
27 *size = (opt == NULL || opt->start_offset == 0) ? 0 : 4;
33 lzma_simple_props_encode(const void *options, uint8_t *out)
35 const lzma_options_bcj *const opt = options;
37 // The default start offset is zero, so we don't need to store any
38 // options unless the start offset is non-zero.
39 if (opt == NULL || opt->start_offset == 0)
42 integer_write_32(out, opt->start_offset);