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author | thegeorg <thegeorg@yandex-team.ru> | 2022-02-10 16:45:08 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:08 +0300 |
commit | 4e839db24a3bbc9f1c610c43d6faaaa99824dcca (patch) | |
tree | 506dac10f5df94fab310584ee51b24fc5a081c22 /contrib/libs/xz/liblzma/common/block_encoder.h | |
parent | 2d37894b1b037cf24231090eda8589bbb44fb6fc (diff) | |
download | ydb-4e839db24a3bbc9f1c610c43d6faaaa99824dcca.tar.gz |
Restoring authorship annotation for <thegeorg@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/xz/liblzma/common/block_encoder.h')
-rw-r--r-- | contrib/libs/xz/liblzma/common/block_encoder.h | 94 |
1 files changed, 47 insertions, 47 deletions
diff --git a/contrib/libs/xz/liblzma/common/block_encoder.h b/contrib/libs/xz/liblzma/common/block_encoder.h index bd97c186e5..30a05f8c1e 100644 --- a/contrib/libs/xz/liblzma/common/block_encoder.h +++ b/contrib/libs/xz/liblzma/common/block_encoder.h @@ -1,47 +1,47 @@ -/////////////////////////////////////////////////////////////////////////////// -// -/// \file block_encoder.h -/// \brief Encodes .xz Blocks -// -// Author: Lasse Collin -// -// This file has been put into the public domain. -// You can do whatever you want with this file. -// -/////////////////////////////////////////////////////////////////////////////// - -#ifndef LZMA_BLOCK_ENCODER_H -#define LZMA_BLOCK_ENCODER_H - -#include "common.h" - - -/// \brief Biggest Compressed Size value that the Block encoder supports -/// -/// The maximum size of a single Block is limited by the maximum size of -/// a Stream, which in theory is 2^63 - 3 bytes (i.e. LZMA_VLI_MAX - 3). -/// While the size is really big and no one should hit it in practice, we -/// take it into account in some places anyway to catch some errors e.g. if -/// application passes insanely big value to some function. -/// -/// We could take into account the headers etc. to determine the exact -/// maximum size of the Compressed Data field, but the complexity would give -/// us nothing useful. Instead, limit the size of Compressed Data so that -/// even with biggest possible Block Header and Check fields the total -/// encoded size of the Block stays as a valid VLI. This doesn't guarantee -/// that the size of the Stream doesn't grow too big, but that problem is -/// taken care outside the Block handling code. -/// -/// ~LZMA_VLI_C(3) is to guarantee that if we need padding at the end of -/// the Compressed Data field, it will still stay in the proper limit. -/// -/// This constant is in this file because it is needed in both -/// block_encoder.c and block_buffer_encoder.c. -#define COMPRESSED_SIZE_MAX ((LZMA_VLI_MAX - LZMA_BLOCK_HEADER_SIZE_MAX \ - - LZMA_CHECK_SIZE_MAX) & ~LZMA_VLI_C(3)) - - -extern lzma_ret lzma_block_encoder_init(lzma_next_coder *next, - const lzma_allocator *allocator, lzma_block *block); - -#endif +/////////////////////////////////////////////////////////////////////////////// +// +/// \file block_encoder.h +/// \brief Encodes .xz Blocks +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#ifndef LZMA_BLOCK_ENCODER_H +#define LZMA_BLOCK_ENCODER_H + +#include "common.h" + + +/// \brief Biggest Compressed Size value that the Block encoder supports +/// +/// The maximum size of a single Block is limited by the maximum size of +/// a Stream, which in theory is 2^63 - 3 bytes (i.e. LZMA_VLI_MAX - 3). +/// While the size is really big and no one should hit it in practice, we +/// take it into account in some places anyway to catch some errors e.g. if +/// application passes insanely big value to some function. +/// +/// We could take into account the headers etc. to determine the exact +/// maximum size of the Compressed Data field, but the complexity would give +/// us nothing useful. Instead, limit the size of Compressed Data so that +/// even with biggest possible Block Header and Check fields the total +/// encoded size of the Block stays as a valid VLI. This doesn't guarantee +/// that the size of the Stream doesn't grow too big, but that problem is +/// taken care outside the Block handling code. +/// +/// ~LZMA_VLI_C(3) is to guarantee that if we need padding at the end of +/// the Compressed Data field, it will still stay in the proper limit. +/// +/// This constant is in this file because it is needed in both +/// block_encoder.c and block_buffer_encoder.c. +#define COMPRESSED_SIZE_MAX ((LZMA_VLI_MAX - LZMA_BLOCK_HEADER_SIZE_MAX \ + - LZMA_CHECK_SIZE_MAX) & ~LZMA_VLI_C(3)) + + +extern lzma_ret lzma_block_encoder_init(lzma_next_coder *next, + const lzma_allocator *allocator, lzma_block *block); + +#endif |