diff options
Diffstat (limited to '3rdparty/lzma/C/LzmaDec.h')
-rw-r--r-- | 3rdparty/lzma/C/LzmaDec.h | 62 |
1 files changed, 36 insertions, 26 deletions
diff --git a/3rdparty/lzma/C/LzmaDec.h b/3rdparty/lzma/C/LzmaDec.h index cc44daef214..b0ce28fa02a 100644 --- a/3rdparty/lzma/C/LzmaDec.h +++ b/3rdparty/lzma/C/LzmaDec.h @@ -1,31 +1,36 @@ /* LzmaDec.h -- LZMA Decoder -2013-01-18 : Igor Pavlov : Public domain */ +2023-04-02 : Igor Pavlov : Public domain */ -#ifndef __LZMA_DEC_H -#define __LZMA_DEC_H +#ifndef ZIP7_INC_LZMA_DEC_H +#define ZIP7_INC_LZMA_DEC_H #include "7zTypes.h" EXTERN_C_BEGIN -/* #define _LZMA_PROB32 */ -/* _LZMA_PROB32 can increase the speed on some CPUs, +/* #define Z7_LZMA_PROB32 */ +/* Z7_LZMA_PROB32 can increase the speed on some CPUs, but memory usage for CLzmaDec::probs will be doubled in that case */ -#ifdef _LZMA_PROB32 -#define CLzmaProb UInt32 +typedef +#ifdef Z7_LZMA_PROB32 + UInt32 #else -#define CLzmaProb UInt16 + UInt16 #endif + CLzmaProb; /* ---------- LZMA Properties ---------- */ #define LZMA_PROPS_SIZE 5 -typedef struct _CLzmaProps +typedef struct { - unsigned lc, lp, pb; + Byte lc; + Byte lp; + Byte pb; + Byte _pad_; UInt32 dicSize; } CLzmaProps; @@ -47,32 +52,35 @@ SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size); typedef struct { + /* Don't change this structure. ASM code can use it. */ CLzmaProps prop; CLzmaProb *probs; + CLzmaProb *probs_1664; Byte *dic; - const Byte *buf; - UInt32 range, code; - SizeT dicPos; SizeT dicBufSize; + SizeT dicPos; + const Byte *buf; + UInt32 range; + UInt32 code; UInt32 processedPos; UInt32 checkDicSize; - unsigned state; UInt32 reps[4]; - unsigned remainLen; - int needFlush; - int needInitState; + UInt32 state; + UInt32 remainLen; + UInt32 numProbs; unsigned tempBufSize; Byte tempBuf[LZMA_REQUIRED_INPUT_MAX]; } CLzmaDec; -#define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; } +#define LzmaDec_CONSTRUCT(p) { (p)->dic = NULL; (p)->probs = NULL; } +#define LzmaDec_Construct(p) LzmaDec_CONSTRUCT(p) void LzmaDec_Init(CLzmaDec *p); /* There are two types of LZMA streams: - 0) Stream with end mark. That end mark adds about 6 bytes to compressed size. - 1) Stream without end mark. You must know exact uncompressed size to decompress such stream. */ + - Stream with end mark. That end mark adds about 6 bytes to compressed size. + - Stream without end mark. You must know exact uncompressed size to decompress such stream. */ typedef enum { @@ -129,11 +137,11 @@ LzmaDec_Allocate* can return: SZ_ERROR_UNSUPPORTED - Unsupported properties */ -SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc); -void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc); +SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAllocPtr alloc); +void LzmaDec_FreeProbs(CLzmaDec *p, ISzAllocPtr alloc); -SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc); -void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc); +SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAllocPtr alloc); +void LzmaDec_Free(CLzmaDec *p, ISzAllocPtr alloc); /* ---------- Dictionary Interface ---------- */ @@ -142,7 +150,7 @@ void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc); You must work with CLzmaDec variables directly in this interface. STEPS: - LzmaDec_Constr() + LzmaDec_Construct() LzmaDec_Allocate() for (each new stream) { @@ -174,6 +182,7 @@ Returns: LZMA_STATUS_NEEDS_MORE_INPUT LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK SZ_ERROR_DATA - Data error + SZ_ERROR_FAIL - Some unexpected error: internal error of code, memory corruption or hardware failure */ SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, @@ -216,11 +225,12 @@ Returns: SZ_ERROR_MEM - Memory allocation error SZ_ERROR_UNSUPPORTED - Unsupported properties SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). + SZ_ERROR_FAIL - Some unexpected error: internal error of code, memory corruption or hardware failure */ SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, - ELzmaStatus *status, ISzAlloc *alloc); + ELzmaStatus *status, ISzAllocPtr alloc); EXTERN_C_END |