lib_generic/lzma/LzmaDecode.c - github/trini/u-boot - Gitiles

 /*
   LzmaDecode.c
   LZMA Decoder (optimized for Speed version)

   LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
   http://www.7-zip.org/

   LZMA SDK is licensed under two licenses:
   1) GNU Lesser General Public License (GNU LGPL)
   2) Common Public License (CPL)
   It means that you can select one of these two licenses and
   follow rules of that license.

   SPECIAL EXCEPTION:
   Igor Pavlov, as the author of this Code, expressly permits you to
   statically or dynamically link your Code (or bind by name) to the
   interfaces of this file without subjecting your linked Code to the
   terms of the CPL or GNU LGPL. Any modifications or additions
   to this file, however, are subject to the LGPL or CPL terms.
 */

 #include "LzmaDecode.h"

 #define kNumTopBits 24
 #define kTopValue ((UInt32)1 << kNumTopBits)

 #define kNumBitModelTotalBits 11
 #define kBitModelTotal (1 << kNumBitModelTotalBits)
 #define kNumMoveBits 5

 #define RC_READ_BYTE (*Buffer++)

 #define RC_INIT2 Code = 0; Range = 0xFFFFFFFF; \
   { int i; for(i = 0; i < 5; i++) { RC_TEST; Code = (Code << 8) | RC_READ_BYTE; }}

 #ifdef _LZMA_IN_CB

 #define RC_TEST { if (Buffer == BufferLim) \
   { SizeT size; int result = InCallback->Read(InCallback, &Buffer, &size); if (result != LZMA_RESULT_OK) return result; \
   BufferLim = Buffer + size; if (size == 0) return LZMA_RESULT_DATA_ERROR; }}

 #define RC_INIT Buffer = BufferLim = 0; RC_INIT2

 #else

 #define RC_TEST { if (Buffer == BufferLim) return LZMA_RESULT_DATA_ERROR; }

 #define RC_INIT(buffer, bufferSize) Buffer = buffer; BufferLim = buffer + bufferSize; RC_INIT2

 #endif

 #define RC_NORMALIZE if (Range < kTopValue) { RC_TEST; Range <<= 8; Code = (Code << 8) | RC_READ_BYTE; }

 #define IfBit0(p) RC_NORMALIZE; bound = (Range >> kNumBitModelTotalBits) * *(p); if (Code < bound)
 #define UpdateBit0(p) Range = bound; *(p) += (kBitModelTotal - *(p)) >> kNumMoveBits;
 #define UpdateBit1(p) Range -= bound; Code -= bound; *(p) -= (*(p)) >> kNumMoveBits;

 #define RC_GET_BIT2(p, mi, A0, A1) IfBit0(p) \
   { UpdateBit0(p); mi <<= 1; A0; } else \
   { UpdateBit1(p); mi = (mi + mi) + 1; A1; }

 #define RC_GET_BIT(p, mi) RC_GET_BIT2(p, mi, ; , ;)

 #define RangeDecoderBitTreeDecode(probs, numLevels, res) \
   { int i = numLevels; res = 1; \
   do { CProb *p = probs + res; RC_GET_BIT(p, res) } while(--i != 0); \
   res -= (1 << numLevels); }


 #define kNumPosBitsMax 4
 #define kNumPosStatesMax (1 << kNumPosBitsMax)

 #define kLenNumLowBits 3
 #define kLenNumLowSymbols (1 << kLenNumLowBits)
 #define kLenNumMidBits 3
 #define kLenNumMidSymbols (1 << kLenNumMidBits)
 #define kLenNumHighBits 8
 #define kLenNumHighSymbols (1 << kLenNumHighBits)

 #define LenChoice 0
 #define LenChoice2 (LenChoice + 1)
 #define LenLow (LenChoice2 + 1)
 #define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
 #define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
 #define kNumLenProbs (LenHigh + kLenNumHighSymbols)


 #define kNumStates 12
 #define kNumLitStates 7

 #define kStartPosModelIndex 4
 #define kEndPosModelIndex 14
 #define kNumFullDistances (1 << (kEndPosModelIndex >> 1))

 #define kNumPosSlotBits 6
 #define kNumLenToPosStates 4

 #define kNumAlignBits 4
 #define kAlignTableSize (1 << kNumAlignBits)

 #define kMatchMinLen 2

 #define IsMatch 0
 #define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
 #define IsRepG0 (IsRep + kNumStates)
 #define IsRepG1 (IsRepG0 + kNumStates)
 #define IsRepG2 (IsRepG1 + kNumStates)
 #define IsRep0Long (IsRepG2 + kNumStates)
 #define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
 #define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
 #define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
 #define LenCoder (Align + kAlignTableSize)
 #define RepLenCoder (LenCoder + kNumLenProbs)
 #define Literal (RepLenCoder + kNumLenProbs)

 #if Literal != LZMA_BASE_SIZE
 StopCompilingDueBUG
 #endif

 int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size)
 {
   unsigned char prop0;
   if (size < LZMA_PROPERTIES_SIZE)
     return LZMA_RESULT_DATA_ERROR;
   prop0 = propsData[0];
   if (prop0 >= (9 * 5 * 5))
     return LZMA_RESULT_DATA_ERROR;
   {
     for (propsRes->pb = 0; prop0 >= (9 * 5); propsRes->pb++, prop0 -= (9 * 5));
     for (propsRes->lp = 0; prop0 >= 9; propsRes->lp++, prop0 -= 9);
     propsRes->lc = prop0;
     /*
     unsigned char remainder = (unsigned char)(prop0 / 9);
     propsRes->lc = prop0 % 9;
     propsRes->pb = remainder / 5;
     propsRes->lp = remainder % 5;
     */
   }

   #ifdef _LZMA_OUT_READ
   {
     int i;
     propsRes->DictionarySize = 0;
     for (i = 0; i < 4; i++)
       propsRes->DictionarySize += (UInt32)(propsData[1 + i]) << (i * 8);
     if (propsRes->DictionarySize == 0)
       propsRes->DictionarySize = 1;
   }
   #endif
   return LZMA_RESULT_OK;
 }

 #define kLzmaStreamWasFinishedId (-1)

 int LzmaDecode(CLzmaDecoderState *vs,
     #ifdef _LZMA_IN_CB
     ILzmaInCallback *InCallback,
     #else
     const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
     #endif
     unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed)
 {
   CProb *p = vs->Probs;
   SizeT nowPos = 0;
   Byte previousByte = 0;
   UInt32 posStateMask = (1 << (vs->Properties.pb)) - 1;
   UInt32 literalPosMask = (1 << (vs->Properties.lp)) - 1;
   int lc = vs->Properties.lc;

   #ifdef _LZMA_OUT_READ

   UInt32 Range = vs->Range;
   UInt32 Code = vs->Code;
   #ifdef _LZMA_IN_CB
   const Byte *Buffer = vs->Buffer;
   const Byte *BufferLim = vs->BufferLim;
   #else
   const Byte *Buffer = inStream;
   const Byte *BufferLim = inStream + inSize;
   #endif
   int state = vs->State;
   UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
   int len = vs->RemainLen;
   UInt32 globalPos = vs->GlobalPos;
   UInt32 distanceLimit = vs->DistanceLimit;

   Byte *dictionary = vs->Dictionary;
   UInt32 dictionarySize = vs->Properties.DictionarySize;
   UInt32 dictionaryPos = vs->DictionaryPos;

   Byte tempDictionary[4];

   #ifndef _LZMA_IN_CB
   *inSizeProcessed = 0;
   #endif
   *outSizeProcessed = 0;
   if (len == kLzmaStreamWasFinishedId)
     return LZMA_RESULT_OK;

   if (dictionarySize == 0)
   {
     dictionary = tempDictionary;
     dictionarySize = 1;
     tempDictionary[0] = vs->TempDictionary[0];
   }

   if (len == kLzmaNeedInitId)
   {
     {
       UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
       UInt32 i;
       for (i = 0; i < numProbs; i++)
         p[i] = kBitModelTotal >> 1;
       rep0 = rep1 = rep2 = rep3 = 1;
       state = 0;
       globalPos = 0;
       distanceLimit = 0;
       dictionaryPos = 0;
       dictionary[dictionarySize - 1] = 0;
       #ifdef _LZMA_IN_CB
       RC_INIT;
       #else
       RC_INIT(inStream, inSize);
       #endif
     }
     len = 0;
   }
   while(len != 0 && nowPos < outSize)
   {
     UInt32 pos = dictionaryPos - rep0;
     if (pos >= dictionarySize)
       pos += dictionarySize;
     outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos];
     if (++dictionaryPos == dictionarySize)
       dictionaryPos = 0;
     len--;
   }
   if (dictionaryPos == 0)
     previousByte = dictionary[dictionarySize - 1];
   else
     previousByte = dictionary[dictionaryPos - 1];

   #else /* if !_LZMA_OUT_READ */

   int state = 0;
   UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
   int len = 0;
   const Byte *Buffer;
   const Byte *BufferLim;
   UInt32 Range;
   UInt32 Code;

   #ifndef _LZMA_IN_CB
   *inSizeProcessed = 0;
   #endif
   *outSizeProcessed = 0;

   {
     UInt32 i;
     UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
     for (i = 0; i < numProbs; i++)
       p[i] = kBitModelTotal >> 1;
   }

   #ifdef _LZMA_IN_CB
   RC_INIT;
   #else
   RC_INIT(inStream, inSize);
   #endif

   #endif /* _LZMA_OUT_READ */

   while(nowPos < outSize)
   {
     CProb *prob;
     UInt32 bound;
     int posState = (int)(
         (nowPos
         #ifdef _LZMA_OUT_READ
         + globalPos
         #endif
         )
         & posStateMask);

     prob = p + IsMatch + (state << kNumPosBitsMax) + posState;
     IfBit0(prob)
     {
       int symbol = 1;
       UpdateBit0(prob)
       prob = p + Literal + (LZMA_LIT_SIZE *
         (((
         (nowPos
         #ifdef _LZMA_OUT_READ
         + globalPos
         #endif
         )
         & literalPosMask) << lc) + (previousByte >> (8 - lc))));

       if (state >= kNumLitStates)
       {
         int matchByte;
         #ifdef _LZMA_OUT_READ
         UInt32 pos = dictionaryPos - rep0;
         if (pos >= dictionarySize)
           pos += dictionarySize;
         matchByte = dictionary[pos];
         #else
         matchByte = outStream[nowPos - rep0];
         #endif
         do
         {
           int bit;
           CProb *probLit;
           matchByte <<= 1;
           bit = (matchByte & 0x100);
           probLit = prob + 0x100 + bit + symbol;
           RC_GET_BIT2(probLit, symbol, if (bit != 0) break, if (bit == 0) break)
         }
         while (symbol < 0x100);
       }
       while (symbol < 0x100)
       {
         CProb *probLit = prob + symbol;
         RC_GET_BIT(probLit, symbol)
       }
       previousByte = (Byte)symbol;

       outStream[nowPos++] = previousByte;
       #ifdef _LZMA_OUT_READ
       if (distanceLimit < dictionarySize)
         distanceLimit++;

       dictionary[dictionaryPos] = previousByte;
       if (++dictionaryPos == dictionarySize)
         dictionaryPos = 0;
       #endif
       if (state < 4) state = 0;
       else if (state < 10) state -= 3;
       else state -= 6;
     }
     else
     {
       UpdateBit1(prob);
       prob = p + IsRep + state;
       IfBit0(prob)
       {
         UpdateBit0(prob);
         rep3 = rep2;
         rep2 = rep1;
         rep1 = rep0;
         state = state < kNumLitStates ? 0 : 3;
         prob = p + LenCoder;
       }
       else
       {
         UpdateBit1(prob);
         prob = p + IsRepG0 + state;
         IfBit0(prob)
         {
           UpdateBit0(prob);
           prob = p + IsRep0Long + (state << kNumPosBitsMax) + posState;
           IfBit0(prob)
           {
             #ifdef _LZMA_OUT_READ
             UInt32 pos;
             #endif
             UpdateBit0(prob);

             #ifdef _LZMA_OUT_READ
             if (distanceLimit == 0)
             #else
             if (nowPos == 0)
             #endif
               return LZMA_RESULT_DATA_ERROR;

             state = state < kNumLitStates ? 9 : 11;
             #ifdef _LZMA_OUT_READ
             pos = dictionaryPos - rep0;
             if (pos >= dictionarySize)
               pos += dictionarySize;
             previousByte = dictionary[pos];
             dictionary[dictionaryPos] = previousByte;
             if (++dictionaryPos == dictionarySize)
               dictionaryPos = 0;
             #else
             previousByte = outStream[nowPos - rep0];
             #endif
             outStream[nowPos++] = previousByte;
             #ifdef _LZMA_OUT_READ
             if (distanceLimit < dictionarySize)
               distanceLimit++;
             #endif

             continue;
           }
           else
           {
             UpdateBit1(prob);
           }
         }
         else
         {
           UInt32 distance;
           UpdateBit1(prob);
           prob = p + IsRepG1 + state;
           IfBit0(prob)
           {
             UpdateBit0(prob);
             distance = rep1;
           }
           else
           {
             UpdateBit1(prob);
             prob = p + IsRepG2 + state;
             IfBit0(prob)
             {
               UpdateBit0(prob);
               distance = rep2;
             }
             else
             {
               UpdateBit1(prob);
               distance = rep3;
               rep3 = rep2;
             }
             rep2 = rep1;
           }
           rep1 = rep0;
           rep0 = distance;
         }
         state = state < kNumLitStates ? 8 : 11;
         prob = p + RepLenCoder;
       }
       {
         int numBits, offset;
         CProb *probLen = prob + LenChoice;
         IfBit0(probLen)
         {
           UpdateBit0(probLen);
           probLen = prob + LenLow + (posState << kLenNumLowBits);
           offset = 0;
           numBits = kLenNumLowBits;
         }
         else
         {
           UpdateBit1(probLen);
           probLen = prob + LenChoice2;
           IfBit0(probLen)
           {
             UpdateBit0(probLen);
             probLen = prob + LenMid + (posState << kLenNumMidBits);
             offset = kLenNumLowSymbols;
             numBits = kLenNumMidBits;
           }
           else
           {
             UpdateBit1(probLen);
             probLen = prob + LenHigh;
             offset = kLenNumLowSymbols + kLenNumMidSymbols;
             numBits = kLenNumHighBits;
           }
         }
         RangeDecoderBitTreeDecode(probLen, numBits, len);
         len += offset;
       }

       if (state < 4)
       {
         int posSlot;
         state += kNumLitStates;
         prob = p + PosSlot +
             ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
             kNumPosSlotBits);
         RangeDecoderBitTreeDecode(prob, kNumPosSlotBits, posSlot);
         if (posSlot >= kStartPosModelIndex)
         {
           int numDirectBits = ((posSlot >> 1) - 1);
           rep0 = (2 | ((UInt32)posSlot & 1));
           if (posSlot < kEndPosModelIndex)
           {
             rep0 <<= numDirectBits;
             prob = p + SpecPos + rep0 - posSlot - 1;
           }
           else
           {
             numDirectBits -= kNumAlignBits;
             do
             {
               RC_NORMALIZE
               Range >>= 1;
               rep0 <<= 1;
               if (Code >= Range)
               {
                 Code -= Range;
                 rep0 |= 1;
               }
             }
             while (--numDirectBits != 0);
             prob = p + Align;
             rep0 <<= kNumAlignBits;
             numDirectBits = kNumAlignBits;
           }
           {
             int i = 1;
             int mi = 1;
             do
             {
               CProb *prob3 = prob + mi;
               RC_GET_BIT2(prob3, mi, ; , rep0 |= i);
               i <<= 1;
             }
             while(--numDirectBits != 0);
           }
         }
         else
           rep0 = posSlot;
         if (++rep0 == (UInt32)(0))
         {
           /* it's for stream version */
           len = kLzmaStreamWasFinishedId;
           break;
         }
       }

       len += kMatchMinLen;
       #ifdef _LZMA_OUT_READ
       if (rep0 > distanceLimit)
       #else
       if (rep0 > nowPos)
       #endif
         return LZMA_RESULT_DATA_ERROR;

       #ifdef _LZMA_OUT_READ
       if (dictionarySize - distanceLimit > (UInt32)len)
         distanceLimit += len;
       else
         distanceLimit = dictionarySize;
       #endif

       do
       {
         #ifdef _LZMA_OUT_READ
         UInt32 pos = dictionaryPos - rep0;
         if (pos >= dictionarySize)
           pos += dictionarySize;
         previousByte = dictionary[pos];
         dictionary[dictionaryPos] = previousByte;
         if (++dictionaryPos == dictionarySize)
           dictionaryPos = 0;
         #else
         previousByte = outStream[nowPos - rep0];
         #endif
         len--;
         outStream[nowPos++] = previousByte;
       }
       while(len != 0 && nowPos < outSize);
     }
   }
   RC_NORMALIZE;

   #ifdef _LZMA_OUT_READ
   vs->Range = Range;
   vs->Code = Code;
   vs->DictionaryPos = dictionaryPos;
   vs->GlobalPos = globalPos + (UInt32)nowPos;
   vs->DistanceLimit = distanceLimit;
   vs->Reps[0] = rep0;
   vs->Reps[1] = rep1;
   vs->Reps[2] = rep2;
   vs->Reps[3] = rep3;
   vs->State = state;
   vs->RemainLen = len;
   vs->TempDictionary[0] = tempDictionary[0];
   #endif

   #ifdef _LZMA_IN_CB
   vs->Buffer = Buffer;
   vs->BufferLim = BufferLim;
   #else
   *inSizeProcessed = (SizeT)(Buffer - inStream);
   #endif
   *outSizeProcessed = nowPos;
   return LZMA_RESULT_OK;
 }
	/*
	LzmaDecode.c
	LZMA Decoder (optimized for Speed version)

	LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
	http://www.7-zip.org/

	LZMA SDK is licensed under two licenses:
	1) GNU Lesser General Public License (GNU LGPL)
	2) Common Public License (CPL)
	It means that you can select one of these two licenses and
	follow rules of that license.

	SPECIAL EXCEPTION:
	Igor Pavlov, as the author of this Code, expressly permits you to
	statically or dynamically link your Code (or bind by name) to the
	interfaces of this file without subjecting your linked Code to the
	terms of the CPL or GNU LGPL. Any modifications or additions
	to this file, however, are subject to the LGPL or CPL terms.
	*/

	#include "LzmaDecode.h"

	#define kNumTopBits 24
	#define kTopValue ((UInt32)1 << kNumTopBits)

	#define kNumBitModelTotalBits 11
	#define kBitModelTotal (1 << kNumBitModelTotalBits)
	#define kNumMoveBits 5

	#define RC_READ_BYTE (*Buffer++)

	#define RC_INIT2 Code = 0; Range = 0xFFFFFFFF; \
	{ int i; for(i = 0; i < 5; i++) { RC_TEST; Code = (Code << 8) \| RC_READ_BYTE; }}

	#ifdef _LZMA_IN_CB

	#define RC_TEST { if (Buffer == BufferLim) \
	{ SizeT size; int result = InCallback->Read(InCallback, &Buffer, &size); if (result != LZMA_RESULT_OK) return result; \
	BufferLim = Buffer + size; if (size == 0) return LZMA_RESULT_DATA_ERROR; }}

	#define RC_INIT Buffer = BufferLim = 0; RC_INIT2

	#else

	#define RC_TEST { if (Buffer == BufferLim) return LZMA_RESULT_DATA_ERROR; }

	#define RC_INIT(buffer, bufferSize) Buffer = buffer; BufferLim = buffer + bufferSize; RC_INIT2

	#endif

	#define RC_NORMALIZE if (Range < kTopValue) { RC_TEST; Range <<= 8; Code = (Code << 8) \| RC_READ_BYTE; }

	#define IfBit0(p) RC_NORMALIZE; bound = (Range >> kNumBitModelTotalBits) * *(p); if (Code < bound)
	#define UpdateBit0(p) Range = bound; (p) += (kBitModelTotal - (p)) >> kNumMoveBits;
	#define UpdateBit1(p) Range -= bound; Code -= bound; (p) -= ((p)) >> kNumMoveBits;

	#define RC_GET_BIT2(p, mi, A0, A1) IfBit0(p) \
	{ UpdateBit0(p); mi <<= 1; A0; } else \
	{ UpdateBit1(p); mi = (mi + mi) + 1; A1; }

	#define RC_GET_BIT(p, mi) RC_GET_BIT2(p, mi, ; , ;)

	#define RangeDecoderBitTreeDecode(probs, numLevels, res) \
	{ int i = numLevels; res = 1; \
	do { CProb *p = probs + res; RC_GET_BIT(p, res) } while(--i != 0); \
	res -= (1 << numLevels); }


	#define kNumPosBitsMax 4
	#define kNumPosStatesMax (1 << kNumPosBitsMax)

	#define kLenNumLowBits 3
	#define kLenNumLowSymbols (1 << kLenNumLowBits)
	#define kLenNumMidBits 3
	#define kLenNumMidSymbols (1 << kLenNumMidBits)
	#define kLenNumHighBits 8
	#define kLenNumHighSymbols (1 << kLenNumHighBits)

	#define LenChoice 0
	#define LenChoice2 (LenChoice + 1)
	#define LenLow (LenChoice2 + 1)
	#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
	#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
	#define kNumLenProbs (LenHigh + kLenNumHighSymbols)


	#define kNumStates 12
	#define kNumLitStates 7

	#define kStartPosModelIndex 4
	#define kEndPosModelIndex 14
	#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))

	#define kNumPosSlotBits 6
	#define kNumLenToPosStates 4

	#define kNumAlignBits 4
	#define kAlignTableSize (1 << kNumAlignBits)

	#define kMatchMinLen 2

	#define IsMatch 0
	#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
	#define IsRepG0 (IsRep + kNumStates)
	#define IsRepG1 (IsRepG0 + kNumStates)
	#define IsRepG2 (IsRepG1 + kNumStates)
	#define IsRep0Long (IsRepG2 + kNumStates)
	#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
	#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
	#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
	#define LenCoder (Align + kAlignTableSize)
	#define RepLenCoder (LenCoder + kNumLenProbs)
	#define Literal (RepLenCoder + kNumLenProbs)

	#if Literal != LZMA_BASE_SIZE
	StopCompilingDueBUG
	#endif

	int LzmaDecodeProperties(CLzmaProperties propsRes, const unsigned char propsData, int size)
	{
	unsigned char prop0;
	if (size < LZMA_PROPERTIES_SIZE)
	return LZMA_RESULT_DATA_ERROR;
	prop0 = propsData[0];
	if (prop0 >= (9 * 5 * 5))
	return LZMA_RESULT_DATA_ERROR;
	{
	for (propsRes->pb = 0; prop0 >= (9 * 5); propsRes->pb++, prop0 -= (9 * 5));
	for (propsRes->lp = 0; prop0 >= 9; propsRes->lp++, prop0 -= 9);
	propsRes->lc = prop0;
	/*
	unsigned char remainder = (unsigned char)(prop0 / 9);
	propsRes->lc = prop0 % 9;
	propsRes->pb = remainder / 5;
	propsRes->lp = remainder % 5;
	*/
	}

	#ifdef _LZMA_OUT_READ
	{
	int i;
	propsRes->DictionarySize = 0;
	for (i = 0; i < 4; i++)
	propsRes->DictionarySize += (UInt32)(propsData[1 + i]) << (i * 8);
	if (propsRes->DictionarySize == 0)
	propsRes->DictionarySize = 1;
	}
	#endif
	return LZMA_RESULT_OK;
	}

	#define kLzmaStreamWasFinishedId (-1)

	int LzmaDecode(CLzmaDecoderState *vs,
	#ifdef _LZMA_IN_CB
	ILzmaInCallback *InCallback,
	#else
	const unsigned char inStream, SizeT inSize, SizeT inSizeProcessed,
	#endif
	unsigned char outStream, SizeT outSize, SizeT outSizeProcessed)
	{
	CProb *p = vs->Probs;
	SizeT nowPos = 0;
	Byte previousByte = 0;
	UInt32 posStateMask = (1 << (vs->Properties.pb)) - 1;
	UInt32 literalPosMask = (1 << (vs->Properties.lp)) - 1;
	int lc = vs->Properties.lc;

	#ifdef _LZMA_OUT_READ

	UInt32 Range = vs->Range;
	UInt32 Code = vs->Code;
	#ifdef _LZMA_IN_CB
	const Byte *Buffer = vs->Buffer;
	const Byte *BufferLim = vs->BufferLim;
	#else
	const Byte *Buffer = inStream;
	const Byte *BufferLim = inStream + inSize;
	#endif
	int state = vs->State;
	UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
	int len = vs->RemainLen;
	UInt32 globalPos = vs->GlobalPos;
	UInt32 distanceLimit = vs->DistanceLimit;

	Byte *dictionary = vs->Dictionary;
	UInt32 dictionarySize = vs->Properties.DictionarySize;
	UInt32 dictionaryPos = vs->DictionaryPos;

	Byte tempDictionary[4];

	#ifndef _LZMA_IN_CB
	*inSizeProcessed = 0;
	#endif
	*outSizeProcessed = 0;
	if (len == kLzmaStreamWasFinishedId)
	return LZMA_RESULT_OK;

	if (dictionarySize == 0)
	{
	dictionary = tempDictionary;
	dictionarySize = 1;
	tempDictionary[0] = vs->TempDictionary[0];
	}

	if (len == kLzmaNeedInitId)
	{
	{
	UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
	UInt32 i;
	for (i = 0; i < numProbs; i++)
	p[i] = kBitModelTotal >> 1;
	rep0 = rep1 = rep2 = rep3 = 1;
	state = 0;
	globalPos = 0;
	distanceLimit = 0;
	dictionaryPos = 0;
	dictionary[dictionarySize - 1] = 0;
	#ifdef _LZMA_IN_CB
	RC_INIT;
	#else
	RC_INIT(inStream, inSize);
	#endif
	}
	len = 0;
	}
	while(len != 0 && nowPos < outSize)
	{
	UInt32 pos = dictionaryPos - rep0;
	if (pos >= dictionarySize)
	pos += dictionarySize;
	outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos];
	if (++dictionaryPos == dictionarySize)
	dictionaryPos = 0;
	len--;
	}
	if (dictionaryPos == 0)
	previousByte = dictionary[dictionarySize - 1];
	else
	previousByte = dictionary[dictionaryPos - 1];

	#else /* if !_LZMA_OUT_READ */

	int state = 0;
	UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
	int len = 0;
	const Byte *Buffer;
	const Byte *BufferLim;
	UInt32 Range;
	UInt32 Code;

	#ifndef _LZMA_IN_CB
	*inSizeProcessed = 0;
	#endif
	*outSizeProcessed = 0;

	{
	UInt32 i;
	UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
	for (i = 0; i < numProbs; i++)
	p[i] = kBitModelTotal >> 1;
	}

	#ifdef _LZMA_IN_CB
	RC_INIT;
	#else
	RC_INIT(inStream, inSize);
	#endif

	#endif /* _LZMA_OUT_READ */

	while(nowPos < outSize)
	{
	CProb *prob;
	UInt32 bound;
	int posState = (int)(
	(nowPos
	#ifdef _LZMA_OUT_READ
	+ globalPos
	#endif
	)
	& posStateMask);

	prob = p + IsMatch + (state << kNumPosBitsMax) + posState;
	IfBit0(prob)
	{
	int symbol = 1;
	UpdateBit0(prob)
	prob = p + Literal + (LZMA_LIT_SIZE *
	(((
	(nowPos
	#ifdef _LZMA_OUT_READ
	+ globalPos
	#endif
	)
	& literalPosMask) << lc) + (previousByte >> (8 - lc))));

	if (state >= kNumLitStates)
	{
	int matchByte;
	#ifdef _LZMA_OUT_READ
	UInt32 pos = dictionaryPos - rep0;
	if (pos >= dictionarySize)
	pos += dictionarySize;
	matchByte = dictionary[pos];
	#else
	matchByte = outStream[nowPos - rep0];
	#endif
	do
	{
	int bit;
	CProb *probLit;
	matchByte <<= 1;
	bit = (matchByte & 0x100);
	probLit = prob + 0x100 + bit + symbol;
	RC_GET_BIT2(probLit, symbol, if (bit != 0) break, if (bit == 0) break)
	}
	while (symbol < 0x100);
	}
	while (symbol < 0x100)
	{
	CProb *probLit = prob + symbol;
	RC_GET_BIT(probLit, symbol)
	}
	previousByte = (Byte)symbol;

	outStream[nowPos++] = previousByte;
	#ifdef _LZMA_OUT_READ
	if (distanceLimit < dictionarySize)
	distanceLimit++;

	dictionary[dictionaryPos] = previousByte;
	if (++dictionaryPos == dictionarySize)
	dictionaryPos = 0;
	#endif
	if (state < 4) state = 0;
	else if (state < 10) state -= 3;
	else state -= 6;
	}
	else
	{
	UpdateBit1(prob);
	prob = p + IsRep + state;
	IfBit0(prob)
	{
	UpdateBit0(prob);
	rep3 = rep2;
	rep2 = rep1;
	rep1 = rep0;
	state = state < kNumLitStates ? 0 : 3;
	prob = p + LenCoder;
	}
	else
	{
	UpdateBit1(prob);
	prob = p + IsRepG0 + state;
	IfBit0(prob)
	{
	UpdateBit0(prob);
	prob = p + IsRep0Long + (state << kNumPosBitsMax) + posState;
	IfBit0(prob)
	{
	#ifdef _LZMA_OUT_READ
	UInt32 pos;
	#endif
	UpdateBit0(prob);

	#ifdef _LZMA_OUT_READ
	if (distanceLimit == 0)
	#else
	if (nowPos == 0)
	#endif
	return LZMA_RESULT_DATA_ERROR;

	state = state < kNumLitStates ? 9 : 11;
	#ifdef _LZMA_OUT_READ
	pos = dictionaryPos - rep0;
	if (pos >= dictionarySize)
	pos += dictionarySize;
	previousByte = dictionary[pos];
	dictionary[dictionaryPos] = previousByte;
	if (++dictionaryPos == dictionarySize)
	dictionaryPos = 0;
	#else
	previousByte = outStream[nowPos - rep0];
	#endif
	outStream[nowPos++] = previousByte;
	#ifdef _LZMA_OUT_READ
	if (distanceLimit < dictionarySize)
	distanceLimit++;
	#endif

	continue;
	}
	else
	{
	UpdateBit1(prob);
	}
	}
	else
	{
	UInt32 distance;
	UpdateBit1(prob);
	prob = p + IsRepG1 + state;
	IfBit0(prob)
	{
	UpdateBit0(prob);
	distance = rep1;
	}
	else
	{
	UpdateBit1(prob);
	prob = p + IsRepG2 + state;
	IfBit0(prob)
	{
	UpdateBit0(prob);
	distance = rep2;
	}
	else
	{
	UpdateBit1(prob);
	distance = rep3;
	rep3 = rep2;
	}
	rep2 = rep1;
	}
	rep1 = rep0;
	rep0 = distance;
	}
	state = state < kNumLitStates ? 8 : 11;
	prob = p + RepLenCoder;
	}
	{
	int numBits, offset;
	CProb *probLen = prob + LenChoice;
	IfBit0(probLen)
	{
	UpdateBit0(probLen);
	probLen = prob + LenLow + (posState << kLenNumLowBits);
	offset = 0;
	numBits = kLenNumLowBits;
	}
	else
	{
	UpdateBit1(probLen);
	probLen = prob + LenChoice2;
	IfBit0(probLen)
	{
	UpdateBit0(probLen);
	probLen = prob + LenMid + (posState << kLenNumMidBits);
	offset = kLenNumLowSymbols;
	numBits = kLenNumMidBits;
	}
	else
	{
	UpdateBit1(probLen);
	probLen = prob + LenHigh;
	offset = kLenNumLowSymbols + kLenNumMidSymbols;
	numBits = kLenNumHighBits;
	}
	}
	RangeDecoderBitTreeDecode(probLen, numBits, len);
	len += offset;
	}

	if (state < 4)
	{
	int posSlot;
	state += kNumLitStates;
	prob = p + PosSlot +
	((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
	kNumPosSlotBits);
	RangeDecoderBitTreeDecode(prob, kNumPosSlotBits, posSlot);
	if (posSlot >= kStartPosModelIndex)
	{
	int numDirectBits = ((posSlot >> 1) - 1);
	rep0 = (2 \| ((UInt32)posSlot & 1));
	if (posSlot < kEndPosModelIndex)
	{
	rep0 <<= numDirectBits;
	prob = p + SpecPos + rep0 - posSlot - 1;
	}
	else
	{
	numDirectBits -= kNumAlignBits;
	do
	{
	RC_NORMALIZE
	Range >>= 1;
	rep0 <<= 1;
	if (Code >= Range)
	{
	Code -= Range;
	rep0 \|= 1;
	}
	}
	while (--numDirectBits != 0);
	prob = p + Align;
	rep0 <<= kNumAlignBits;
	numDirectBits = kNumAlignBits;
	}
	{
	int i = 1;
	int mi = 1;
	do
	{
	CProb *prob3 = prob + mi;
	RC_GET_BIT2(prob3, mi, ; , rep0 \|= i);
	i <<= 1;
	}
	while(--numDirectBits != 0);
	}
	}
	else
	rep0 = posSlot;
	if (++rep0 == (UInt32)(0))
	{
	/* it's for stream version */
	len = kLzmaStreamWasFinishedId;
	break;
	}
	}

	len += kMatchMinLen;
	#ifdef _LZMA_OUT_READ
	if (rep0 > distanceLimit)
	#else
	if (rep0 > nowPos)
	#endif
	return LZMA_RESULT_DATA_ERROR;

	#ifdef _LZMA_OUT_READ
	if (dictionarySize - distanceLimit > (UInt32)len)
	distanceLimit += len;
	else
	distanceLimit = dictionarySize;
	#endif

	do
	{
	#ifdef _LZMA_OUT_READ
	UInt32 pos = dictionaryPos - rep0;
	if (pos >= dictionarySize)
	pos += dictionarySize;
	previousByte = dictionary[pos];
	dictionary[dictionaryPos] = previousByte;
	if (++dictionaryPos == dictionarySize)
	dictionaryPos = 0;
	#else
	previousByte = outStream[nowPos - rep0];
	#endif
	len--;
	outStream[nowPos++] = previousByte;
	}
	while(len != 0 && nowPos < outSize);
	}
	}
	RC_NORMALIZE;

	#ifdef _LZMA_OUT_READ
	vs->Range = Range;
	vs->Code = Code;
	vs->DictionaryPos = dictionaryPos;
	vs->GlobalPos = globalPos + (UInt32)nowPos;
	vs->DistanceLimit = distanceLimit;
	vs->Reps[0] = rep0;
	vs->Reps[1] = rep1;
	vs->Reps[2] = rep2;
	vs->Reps[3] = rep3;
	vs->State = state;
	vs->RemainLen = len;
	vs->TempDictionary[0] = tempDictionary[0];
	#endif

	#ifdef _LZMA_IN_CB
	vs->Buffer = Buffer;
	vs->BufferLim = BufferLim;
	#else
	*inSizeProcessed = (SizeT)(Buffer - inStream);
	#endif
	*outSizeProcessed = nowPos;
	return LZMA_RESULT_OK;
	}