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author | shadchin <shadchin@yandex-team.ru> | 2022-02-10 16:44:30 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:44:30 +0300 |
commit | 2598ef1d0aee359b4b6d5fdd1758916d5907d04f (patch) | |
tree | 012bb94d777798f1f56ac1cec429509766d05181 /contrib/libs/lzmasdk/Lzma2Dec.h | |
parent | 6751af0b0c1b952fede40b19b71da8025b5d8bcf (diff) | |
download | ydb-2598ef1d0aee359b4b6d5fdd1758916d5907d04f.tar.gz |
Restoring authorship annotation for <shadchin@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/lzmasdk/Lzma2Dec.h')
-rw-r--r-- | contrib/libs/lzmasdk/Lzma2Dec.h | 240 |
1 files changed, 120 insertions, 120 deletions
diff --git a/contrib/libs/lzmasdk/Lzma2Dec.h b/contrib/libs/lzmasdk/Lzma2Dec.h index da50387250..74948d910b 100644 --- a/contrib/libs/lzmasdk/Lzma2Dec.h +++ b/contrib/libs/lzmasdk/Lzma2Dec.h @@ -1,120 +1,120 @@ -/* Lzma2Dec.h -- LZMA2 Decoder
-2018-02-19 : Igor Pavlov : Public domain */
-
-#ifndef __LZMA2_DEC_H
-#define __LZMA2_DEC_H
-
-#include "LzmaDec.h"
-
-EXTERN_C_BEGIN
-
-/* ---------- State Interface ---------- */
-
-typedef struct
-{
- unsigned state;
- Byte control;
- Byte needInitLevel;
- Byte isExtraMode;
- Byte _pad_;
- UInt32 packSize;
- UInt32 unpackSize;
- CLzmaDec decoder;
-} CLzma2Dec;
-
-#define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder)
-#define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc)
-#define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc)
-
-SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc);
-SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc);
-void Lzma2Dec_Init(CLzma2Dec *p);
-
-/*
-finishMode:
- It has meaning only if the decoding reaches output limit (*destLen or dicLimit).
- LZMA_FINISH_ANY - use smallest number of input bytes
- LZMA_FINISH_END - read EndOfStream marker after decoding
-
-Returns:
- SZ_OK
- status:
- LZMA_STATUS_FINISHED_WITH_MARK
- LZMA_STATUS_NOT_FINISHED
- LZMA_STATUS_NEEDS_MORE_INPUT
- SZ_ERROR_DATA - Data error
-*/
-
-SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
- const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
-
-SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen,
- const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
-
-
-/* ---------- LZMA2 block and chunk parsing ---------- */
-
-/*
-Lzma2Dec_Parse() parses compressed data stream up to next independent block or next chunk data.
-It can return LZMA_STATUS_* code or LZMA2_PARSE_STATUS_* code:
- - LZMA2_PARSE_STATUS_NEW_BLOCK - there is new block, and 1 additional byte (control byte of next block header) was read from input.
- - LZMA2_PARSE_STATUS_NEW_CHUNK - there is new chunk, and only lzma2 header of new chunk was read.
- CLzma2Dec::unpackSize contains unpack size of that chunk
-*/
-
-typedef enum
-{
-/*
- LZMA_STATUS_NOT_SPECIFIED // data error
- LZMA_STATUS_FINISHED_WITH_MARK
- LZMA_STATUS_NOT_FINISHED //
- LZMA_STATUS_NEEDS_MORE_INPUT
- LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK // unused
-*/
- LZMA2_PARSE_STATUS_NEW_BLOCK = LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK + 1,
- LZMA2_PARSE_STATUS_NEW_CHUNK
-} ELzma2ParseStatus;
-
-ELzma2ParseStatus Lzma2Dec_Parse(CLzma2Dec *p,
- SizeT outSize, // output size
- const Byte *src, SizeT *srcLen,
- int checkFinishBlock // set (checkFinishBlock = 1), if it must read full input data, if decoder.dicPos reaches blockMax position.
- );
-
-/*
-LZMA2 parser doesn't decode LZMA chunks, so we must read
- full input LZMA chunk to decode some part of LZMA chunk.
-
-Lzma2Dec_GetUnpackExtra() returns the value that shows
- max possible number of output bytes that can be output by decoder
- at current input positon.
-*/
-
-#define Lzma2Dec_GetUnpackExtra(p) ((p)->isExtraMode ? (p)->unpackSize : 0);
-
-
-/* ---------- One Call Interface ---------- */
-
-/*
-finishMode:
- It has meaning only if the decoding reaches output limit (*destLen).
- LZMA_FINISH_ANY - use smallest number of input bytes
- LZMA_FINISH_END - read EndOfStream marker after decoding
-
-Returns:
- SZ_OK
- status:
- LZMA_STATUS_FINISHED_WITH_MARK
- LZMA_STATUS_NOT_FINISHED
- SZ_ERROR_DATA - Data error
- SZ_ERROR_MEM - Memory allocation error
- SZ_ERROR_UNSUPPORTED - Unsupported properties
- SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
-*/
-
-SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
- Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAllocPtr alloc);
-
-EXTERN_C_END
-
-#endif
+/* Lzma2Dec.h -- LZMA2 Decoder +2018-02-19 : Igor Pavlov : Public domain */ + +#ifndef __LZMA2_DEC_H +#define __LZMA2_DEC_H + +#include "LzmaDec.h" + +EXTERN_C_BEGIN + +/* ---------- State Interface ---------- */ + +typedef struct +{ + unsigned state; + Byte control; + Byte needInitLevel; + Byte isExtraMode; + Byte _pad_; + UInt32 packSize; + UInt32 unpackSize; + CLzmaDec decoder; +} CLzma2Dec; + +#define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder) +#define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc) +#define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc) + +SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc); +SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc); +void Lzma2Dec_Init(CLzma2Dec *p); + +/* +finishMode: + It has meaning only if the decoding reaches output limit (*destLen or dicLimit). + LZMA_FINISH_ANY - use smallest number of input bytes + LZMA_FINISH_END - read EndOfStream marker after decoding + +Returns: + SZ_OK + status: + LZMA_STATUS_FINISHED_WITH_MARK + LZMA_STATUS_NOT_FINISHED + LZMA_STATUS_NEEDS_MORE_INPUT + SZ_ERROR_DATA - Data error +*/ + +SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit, + const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); + +SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen, + const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); + + +/* ---------- LZMA2 block and chunk parsing ---------- */ + +/* +Lzma2Dec_Parse() parses compressed data stream up to next independent block or next chunk data. +It can return LZMA_STATUS_* code or LZMA2_PARSE_STATUS_* code: + - LZMA2_PARSE_STATUS_NEW_BLOCK - there is new block, and 1 additional byte (control byte of next block header) was read from input. + - LZMA2_PARSE_STATUS_NEW_CHUNK - there is new chunk, and only lzma2 header of new chunk was read. + CLzma2Dec::unpackSize contains unpack size of that chunk +*/ + +typedef enum +{ +/* + LZMA_STATUS_NOT_SPECIFIED // data error + LZMA_STATUS_FINISHED_WITH_MARK + LZMA_STATUS_NOT_FINISHED // + LZMA_STATUS_NEEDS_MORE_INPUT + LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK // unused +*/ + LZMA2_PARSE_STATUS_NEW_BLOCK = LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK + 1, + LZMA2_PARSE_STATUS_NEW_CHUNK +} ELzma2ParseStatus; + +ELzma2ParseStatus Lzma2Dec_Parse(CLzma2Dec *p, + SizeT outSize, // output size + const Byte *src, SizeT *srcLen, + int checkFinishBlock // set (checkFinishBlock = 1), if it must read full input data, if decoder.dicPos reaches blockMax position. + ); + +/* +LZMA2 parser doesn't decode LZMA chunks, so we must read + full input LZMA chunk to decode some part of LZMA chunk. + +Lzma2Dec_GetUnpackExtra() returns the value that shows + max possible number of output bytes that can be output by decoder + at current input positon. +*/ + +#define Lzma2Dec_GetUnpackExtra(p) ((p)->isExtraMode ? (p)->unpackSize : 0); + + +/* ---------- One Call Interface ---------- */ + +/* +finishMode: + It has meaning only if the decoding reaches output limit (*destLen). + LZMA_FINISH_ANY - use smallest number of input bytes + LZMA_FINISH_END - read EndOfStream marker after decoding + +Returns: + SZ_OK + status: + LZMA_STATUS_FINISHED_WITH_MARK + LZMA_STATUS_NOT_FINISHED + SZ_ERROR_DATA - Data error + SZ_ERROR_MEM - Memory allocation error + SZ_ERROR_UNSUPPORTED - Unsupported properties + SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). +*/ + +SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, + Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAllocPtr alloc); + +EXTERN_C_END + +#endif |