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| 1 /////////////////////////////////////////////////////////////////////////////// |
| 2 // |
| 3 /// \file stream_flags_common.h |
| 4 /// \brief Common stuff for Stream flags coders |
| 5 // |
| 6 // Author: Lasse Collin |
| 7 // |
| 8 // This file has been put into the public domain. |
| 9 // You can do whatever you want with this file. |
| 10 // |
| 11 /////////////////////////////////////////////////////////////////////////////// |
| 12 |
| 13 #ifndef LZMA_STREAM_FLAGS_COMMON_H |
| 14 #define LZMA_STREAM_FLAGS_COMMON_H |
| 15 |
| 16 #include "common.h" |
| 17 |
| 18 /// Size of the Stream Flags field |
| 19 #define LZMA_STREAM_FLAGS_SIZE 2 |
| 20 |
| 21 extern const uint8_t lzma_header_magic[6]; |
| 22 extern const uint8_t lzma_footer_magic[2]; |
| 23 |
| 24 |
| 25 static inline bool |
| 26 is_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 |
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