You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
982 B
41 lines
982 B
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
/// \file simple_decoder.c
|
|
/// \brief Properties decoder for simple filters
|
|
//
|
|
// Author: Lasse Collin
|
|
//
|
|
// This file has been put into the public domain.
|
|
// You can do whatever you want with this file.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "simple_decoder.h"
|
|
|
|
|
|
extern lzma_ret
|
|
lzma_simple_props_decode(void **options, const lzma_allocator *allocator,
|
|
const uint8_t *props, size_t props_size)
|
|
{
|
|
if (props_size == 0)
|
|
return LZMA_OK;
|
|
|
|
if (props_size != 4)
|
|
return LZMA_OPTIONS_ERROR;
|
|
|
|
lzma_options_bcj *opt = lzma_alloc(
|
|
sizeof(lzma_options_bcj), allocator);
|
|
if (opt == NULL)
|
|
return LZMA_MEM_ERROR;
|
|
|
|
opt->start_offset = read32le(props);
|
|
|
|
// Don't leave an options structure allocated if start_offset is zero.
|
|
if (opt->start_offset == 0)
|
|
lzma_free(opt, allocator);
|
|
else
|
|
*options = opt;
|
|
|
|
return LZMA_OK;
|
|
}
|