stream_flags_common.h revision 285830 
11553Srgrimes///////////////////////////////////////////////////////////////////////////////
274532Sru//
31553Srgrimes/// \file       stream_flags_common.h
41553Srgrimes/// \brief      Common stuff for Stream flags coders
51553Srgrimes//
61553Srgrimes//  Author:     Lasse Collin
780029Sobrien//
81553Srgrimes//  This file has been put into the public domain.
91553Srgrimes//  You can do whatever you want with this file.
1080029Sobrien//
111553Srgrimes///////////////////////////////////////////////////////////////////////////////
121553Srgrimes
131553Srgrimes#ifndef LZMA_STREAM_FLAGS_COMMON_H
14189090Sed#define LZMA_STREAM_FLAGS_COMMON_H
15189090Sed
161553Srgrimes#include "common.h"
171553Srgrimes
18/// Size of the Stream Flags field
19#define LZMA_STREAM_FLAGS_SIZE 2
20
21extern const uint8_t lzma_header_magic[6];
22extern const uint8_t lzma_footer_magic[2];
23
24
25static inline bool
26is_backward_size_valid(const lzma_stream_flags *options)
27{
28	return options->backward_size >= LZMA_BACKWARD_SIZE_MIN
29			&& options->backward_size <= LZMA_BACKWARD_SIZE_MAX
30			&& (options->backward_size & 3) == 0;
31}
32
33#endif
34