Updating to new OTS repo from https://github.com/khaledhosny/ots.git

third_party/lzma_sdk/LzmaDec.c

Index: third_party/lzma_sdk/LzmaDec.c
diff --git a/third_party/lzma_sdk/LzmaDec.c b/third_party/lzma_sdk/LzmaDec.c
deleted file mode 100644
index 70e06504af8977fe95fc068badc6f0d6cf0586a8..0000000000000000000000000000000000000000
--- a/third_party/lzma_sdk/LzmaDec.c
+++ /dev/null
@@ -1,1000 +0,0 @@
-/* LzmaDec.c -- LZMA Decoder
-2009-09-20 : Igor Pavlov : Public domain
-in the public domain */
-
-#include "LzmaDec.h"
-
-#include <string.h>
-
-#define kNumTopBits 24
-#define kTopValue ((UInt32)1 << kNumTopBits)
-
-#define kNumBitModelTotalBits 11
-#define kBitModelTotal (1 << kNumBitModelTotalBits)
-#define kNumMoveBits 5
-
-#define RC_INIT_SIZE 5
-
-#define NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | (*buf++); }
-
-#define IF_BIT_0(p) ttt = *(p); NORMALIZE; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound)
-#define UPDATE_0(p) range = bound; *(p) = (CLzmaProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits));
-#define UPDATE_1(p) range -= bound; code -= bound; *(p) = (CLzmaProb)(ttt - (ttt >> kNumMoveBits));
-#define GET_BIT2(p, i, A0, A1) IF_BIT_0(p) \
-  { UPDATE_0(p); i = (i + i); A0; } else \
-  { UPDATE_1(p); i = (i + i) + 1; A1; }
-#define GET_BIT(p, i) GET_BIT2(p, i, ; , ;)
-
-#define TREE_GET_BIT(probs, i) { GET_BIT((probs + i), i); }
-#define TREE_DECODE(probs, limit, i) \
-  { i = 1; do { TREE_GET_BIT(probs, i); } while (i < limit); i -= limit; }
-
-/* #define _LZMA_SIZE_OPT */
-
-#ifdef _LZMA_SIZE_OPT
-#define TREE_6_DECODE(probs, i) TREE_DECODE(probs, (1 << 6), i)
-#else
-#define TREE_6_DECODE(probs, i) \
-  { i = 1; \
-  TREE_GET_BIT(probs, i); \
-  TREE_GET_BIT(probs, i); \
-  TREE_GET_BIT(probs, i); \
-  TREE_GET_BIT(probs, i); \
-  TREE_GET_BIT(probs, i); \
-  TREE_GET_BIT(probs, i); \
-  i -= 0x40; }
-#endif
-
-#define NORMALIZE_CHECK if (range < kTopValue) { if (buf >= bufLimit) return DUMMY_ERROR; range <<= 8; code = (code << 8) | (*buf++); }
-
-#define IF_BIT_0_CHECK(p) ttt = *(p); NORMALIZE_CHECK; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound)
-#define UPDATE_0_CHECK range = bound;
-#define UPDATE_1_CHECK range -= bound; code -= bound;
-#define GET_BIT2_CHECK(p, i, A0, A1) IF_BIT_0_CHECK(p) \
-  { UPDATE_0_CHECK; i = (i + i); A0; } else \
-  { UPDATE_1_CHECK; i = (i + i) + 1; A1; }
-#define GET_BIT_CHECK(p, i) GET_BIT2_CHECK(p, i, ; , ;)
-#define TREE_DECODE_CHECK(probs, limit, i) \
-  { i = 1; do { GET_BIT_CHECK(probs + i, i) } while (i < limit); i -= limit; }
-
-
-#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 kMatchSpecLenStart (kMatchMinLen + kLenNumLowSymbols + kLenNumMidSymbols + kLenNumHighSymbols)
-
-#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)
-
-#define LZMA_BASE_SIZE 1846
-#define LZMA_LIT_SIZE 768
-
-#define LzmaProps_GetNumProbs(p) ((UInt32)LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((p)->lc + (p)->lp)))
-
-#if Literal != LZMA_BASE_SIZE
-StopCompilingDueBUG
-#endif
-
-#define LZMA_DIC_MIN (1 << 12)
-
-/* First LZMA-symbol is always decoded.
-And it decodes new LZMA-symbols while (buf < bufLimit), but "buf" is without last normalization
-Out:
-  Result:
-    SZ_OK - OK
-    SZ_ERROR_DATA - Error
-  p->remainLen:
-    < kMatchSpecLenStart : normal remain
-    = kMatchSpecLenStart : finished
-    = kMatchSpecLenStart + 1 : Flush marker
-    = kMatchSpecLenStart + 2 : State Init Marker
-*/
-
-static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte *bufLimit)
-{
-  CLzmaProb *probs = p->probs;
-
-  unsigned state = p->state;
-  UInt32 rep0 = p->reps[0], rep1 = p->reps[1], rep2 = p->reps[2], rep3 = p->reps[3];
-  unsigned pbMask = ((unsigned)1 << (p->prop.pb)) - 1;
-  unsigned lpMask = ((unsigned)1 << (p->prop.lp)) - 1;
-  unsigned lc = p->prop.lc;
-
-  Byte *dic = p->dic;
-  SizeT dicBufSize = p->dicBufSize;
-  SizeT dicPos = p->dicPos;
-  
-  UInt32 processedPos = p->processedPos;
-  UInt32 checkDicSize = p->checkDicSize;
-  unsigned len = 0;
-
-  const Byte *buf = p->buf;
-  UInt32 range = p->range;
-  UInt32 code = p->code;
-
-  do
-  {
-    CLzmaProb *prob;
-    UInt32 bound;
-    unsigned ttt;
-    unsigned posState = processedPos & pbMask;
-
-    prob = probs + IsMatch + (state << kNumPosBitsMax) + posState;
-    IF_BIT_0(prob)
-    {
-      unsigned symbol;
-      UPDATE_0(prob);
-      prob = probs + Literal;
-      if (checkDicSize != 0 || processedPos != 0)
-        prob += (LZMA_LIT_SIZE * (((processedPos & lpMask) << lc) +
-        (dic[(dicPos == 0 ? dicBufSize : dicPos) - 1] >> (8 - lc))));
-
-      if (state < kNumLitStates)
-      {
-        state -= (state < 4) ? state : 3;
-        symbol = 1;
-        do { GET_BIT(prob + symbol, symbol) } while (symbol < 0x100);
-      }
-      else
-      {
-        unsigned matchByte = p->dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)];
-        unsigned offs = 0x100;
-        state -= (state < 10) ? 3 : 6;
-        symbol = 1;
-        do
-        {
-          unsigned bit;
-          CLzmaProb *probLit;
-          matchByte <<= 1;
-          bit = (matchByte & offs);
-          probLit = prob + offs + bit + symbol;
-          GET_BIT2(probLit, symbol, offs &= ~bit, offs &= bit)
-        }
-        while (symbol < 0x100);
-      }
-      dic[dicPos++] = (Byte)symbol;
-      processedPos++;
-      continue;
-    }
-    else
-    {
-      UPDATE_1(prob);
-      prob = probs + IsRep + state;
-      IF_BIT_0(prob)
-      {
-        UPDATE_0(prob);
-        state += kNumStates;
-        prob = probs + LenCoder;
-      }
-      else
-      {
-        UPDATE_1(prob);
-        if (checkDicSize == 0 && processedPos == 0)
-          return SZ_ERROR_DATA;
-        prob = probs + IsRepG0 + state;
-        IF_BIT_0(prob)
-        {
-          UPDATE_0(prob);
-          prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState;
-          IF_BIT_0(prob)
-          {
-            UPDATE_0(prob);
-            dic[dicPos] = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)];
-            dicPos++;
-            processedPos++;
-            state = state < kNumLitStates ? 9 : 11;
-            continue;
-          }
-          UPDATE_1(prob);
-        }
-        else
-        {
-          UInt32 distance;
-          UPDATE_1(prob);
-          prob = probs + IsRepG1 + state;
-          IF_BIT_0(prob)
-          {
-            UPDATE_0(prob);
-            distance = rep1;
-          }
-          else
-          {
-            UPDATE_1(prob);
-            prob = probs + IsRepG2 + state;
-            IF_BIT_0(prob)
-            {
-              UPDATE_0(prob);
-              distance = rep2;
-            }
-            else
-            {
-              UPDATE_1(prob);
-              distance = rep3;
-              rep3 = rep2;
-            }
-            rep2 = rep1;
-          }
-          rep1 = rep0;
-          rep0 = distance;
-        }
-        state = state < kNumLitStates ? 8 : 11;
-        prob = probs + RepLenCoder;
-      }
-      {
-        unsigned limit, offset;
-        CLzmaProb *probLen = prob + LenChoice;
-        IF_BIT_0(probLen)
-        {
-          UPDATE_0(probLen);
-          probLen = prob + LenLow + (posState << kLenNumLowBits);
-          offset = 0;
-          limit = (1 << kLenNumLowBits);
-        }
-        else
-        {
-          UPDATE_1(probLen);
-          probLen = prob + LenChoice2;
-          IF_BIT_0(probLen)
-          {
-            UPDATE_0(probLen);
-            probLen = prob + LenMid + (posState << kLenNumMidBits);
-            offset = kLenNumLowSymbols;
-            limit = (1 << kLenNumMidBits);
-          }
-          else
-          {
-            UPDATE_1(probLen);
-            probLen = prob + LenHigh;
-            offset = kLenNumLowSymbols + kLenNumMidSymbols;
-            limit = (1 << kLenNumHighBits);
-          }
-        }
-        TREE_DECODE(probLen, limit, len);
-        len += offset;
-      }
-
-      if (state >= kNumStates)
-      {
-        UInt32 distance;
-        prob = probs + PosSlot +
-            ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << kNumPosSlotBits);
-        TREE_6_DECODE(prob, distance);
-        if (distance >= kStartPosModelIndex)
-        {
-          unsigned posSlot = (unsigned)distance;
-          int numDirectBits = (int)(((distance >> 1) - 1));
-          distance = (2 | (distance & 1));
-          if (posSlot < kEndPosModelIndex)
-          {
-            distance <<= numDirectBits;
-            prob = probs + SpecPos + distance - posSlot - 1;
-            {
-              UInt32 mask = 1;
-              unsigned i = 1;
-              do
-              {
-                GET_BIT2(prob + i, i, ; , distance |= mask);
-                mask <<= 1;
-              }
-              while (--numDirectBits != 0);
-            }
-          }
-          else
-          {
-            numDirectBits -= kNumAlignBits;
-            do
-            {
-              NORMALIZE
-              range >>= 1;
-              
-              {
-                UInt32 t;
-                code -= range;
-                t = (0 - ((UInt32)code >> 31)); /* (UInt32)((Int32)code >> 31) */
-                distance = (distance << 1) + (t + 1);
-                code += range & t;
-              }
-              /*
-              distance <<= 1;
-              if (code >= range)
-              {
-                code -= range;
-                distance |= 1;
-              }
-              */
-            }
-            while (--numDirectBits != 0);
-            prob = probs + Align;
-            distance <<= kNumAlignBits;
-            {
-              unsigned i = 1;
-              GET_BIT2(prob + i, i, ; , distance |= 1);
-              GET_BIT2(prob + i, i, ; , distance |= 2);
-              GET_BIT2(prob + i, i, ; , distance |= 4);
-              GET_BIT2(prob + i, i, ; , distance |= 8);
-            }
-            if (distance == (UInt32)0xFFFFFFFF)
-            {
-              len += kMatchSpecLenStart;
-              state -= kNumStates;
-              break;
-            }
-          }
-        }
-        rep3 = rep2;
-        rep2 = rep1;
-        rep1 = rep0;
-        rep0 = distance + 1;
-        if (checkDicSize == 0)
-        {
-          if (distance >= processedPos)
-            return SZ_ERROR_DATA;
-        }
-        else if (distance >= checkDicSize)
-          return SZ_ERROR_DATA;
-        state = (state < kNumStates + kNumLitStates) ? kNumLitStates : kNumLitStates + 3;
-      }
-
-      len += kMatchMinLen;
-
-      if (limit == dicPos)
-        return SZ_ERROR_DATA;
-      {
-        SizeT rem = limit - dicPos;
-        unsigned curLen = ((rem < len) ? (unsigned)rem : len);
-        SizeT pos = (dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0);
-
-        processedPos += curLen;
-
-        len -= curLen;
-        if (pos + curLen <= dicBufSize)
-        {
-          Byte *dest = dic + dicPos;
-          ptrdiff_t src = (ptrdiff_t)pos - (ptrdiff_t)dicPos;
-          const Byte *lim = dest + curLen;
-          dicPos += curLen;
-          do
-            *(dest) = (Byte)*(dest + src);
-          while (++dest != lim);
-        }
-        else
-        {
-          do
-          {
-            dic[dicPos++] = dic[pos];
-            if (++pos == dicBufSize)
-              pos = 0;
-          }
-          while (--curLen != 0);
-        }
-      }
-    }
-  }
-  while (dicPos < limit && buf < bufLimit);
-  NORMALIZE;
-  p->buf = buf;
-  p->range = range;
-  p->code = code;
-  p->remainLen = len;
-  p->dicPos = dicPos;
-  p->processedPos = processedPos;
-  p->reps[0] = rep0;
-  p->reps[1] = rep1;
-  p->reps[2] = rep2;
-  p->reps[3] = rep3;
-  p->state = state;
-
-  return SZ_OK;
-}
-
-static void MY_FAST_CALL LzmaDec_WriteRem(CLzmaDec *p, SizeT limit)
-{
-  if (p->remainLen != 0 && p->remainLen < kMatchSpecLenStart)
-  {
-    Byte *dic = p->dic;
-    SizeT dicPos = p->dicPos;
-    SizeT dicBufSize = p->dicBufSize;
-    unsigned len = p->remainLen;
-    UInt32 rep0 = p->reps[0];
-    if (limit - dicPos < len)
-      len = (unsigned)(limit - dicPos);
-
-    if (p->checkDicSize == 0 && p->prop.dicSize - p->processedPos <= len)
-      p->checkDicSize = p->prop.dicSize;
-
-    p->processedPos += len;
-    p->remainLen -= len;
-    while (len-- != 0)
-    {
-      dic[dicPos] = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)];
-      dicPos++;
-    }
-    p->dicPos = dicPos;
-  }
-}
-
-static int MY_FAST_CALL LzmaDec_DecodeReal2(CLzmaDec *p, SizeT limit, const Byte *bufLimit)
-{
-  do
-  {
-    SizeT limit2 = limit;
-    if (p->checkDicSize == 0)
-    {
-      UInt32 rem = p->prop.dicSize - p->processedPos;
-      if (limit - p->dicPos > rem)
-        limit2 = p->dicPos + rem;
-    }
-    RINOK(LzmaDec_DecodeReal(p, limit2, bufLimit));
-    if (p->processedPos >= p->prop.dicSize)
-      p->checkDicSize = p->prop.dicSize;
-    LzmaDec_WriteRem(p, limit);
-  }
-  while (p->dicPos < limit && p->buf < bufLimit && p->remainLen < kMatchSpecLenStart);
-
-  if (p->remainLen > kMatchSpecLenStart)
-  {
-    p->remainLen = kMatchSpecLenStart;
-  }
-  return 0;
-}
-
-typedef enum
-{
-  DUMMY_ERROR, /* unexpected end of input stream */
-  DUMMY_LIT,
-  DUMMY_MATCH,
-  DUMMY_REP
-} ELzmaDummy;
-
-static ELzmaDummy LzmaDec_TryDummy(const CLzmaDec *p, const Byte *buf, SizeT inSize)
-{
-  UInt32 range = p->range;
-  UInt32 code = p->code;
-  const Byte *bufLimit = buf + inSize;
-  CLzmaProb *probs = p->probs;
-  unsigned state = p->state;
-  ELzmaDummy res;
-
-  {
-    CLzmaProb *prob;
-    UInt32 bound;
-    unsigned ttt;
-    unsigned posState = (p->processedPos) & ((1 << p->prop.pb) - 1);
-
-    prob = probs + IsMatch + (state << kNumPosBitsMax) + posState;
-    IF_BIT_0_CHECK(prob)
-    {
-      UPDATE_0_CHECK
-
-      /* if (bufLimit - buf >= 7) return DUMMY_LIT; */
-
-      prob = probs + Literal;
-      if (p->checkDicSize != 0 || p->processedPos != 0)
-        prob += (LZMA_LIT_SIZE *
-          ((((p->processedPos) & ((1 << (p->prop.lp)) - 1)) << p->prop.lc) +
-          (p->dic[(p->dicPos == 0 ? p->dicBufSize : p->dicPos) - 1] >> (8 - p->prop.lc))));
-
-      if (state < kNumLitStates)
-      {
-        unsigned symbol = 1;
-        do { GET_BIT_CHECK(prob + symbol, symbol) } while (symbol < 0x100);
-      }
-      else
-      {
-        unsigned matchByte = p->dic[p->dicPos - p->reps[0] +
-            ((p->dicPos < p->reps[0]) ? p->dicBufSize : 0)];
-        unsigned offs = 0x100;
-        unsigned symbol = 1;
-        do
-        {
-          unsigned bit;
-          CLzmaProb *probLit;
-          matchByte <<= 1;
-          bit = (matchByte & offs);
-          probLit = prob + offs + bit + symbol;
-          GET_BIT2_CHECK(probLit, symbol, offs &= ~bit, offs &= bit)
-        }
-        while (symbol < 0x100);
-      }
-      res = DUMMY_LIT;
-    }
-    else
-    {
-      unsigned len;
-      UPDATE_1_CHECK;
-
-      prob = probs + IsRep + state;
-      IF_BIT_0_CHECK(prob)
-      {
-        UPDATE_0_CHECK;
-        state = 0;
-        prob = probs + LenCoder;
-        res = DUMMY_MATCH;
-      }
-      else
-      {
-        UPDATE_1_CHECK;
-        res = DUMMY_REP;
-        prob = probs + IsRepG0 + state;
-        IF_BIT_0_CHECK(prob)
-        {
-          UPDATE_0_CHECK;
-          prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState;
-          IF_BIT_0_CHECK(prob)
-          {
-            UPDATE_0_CHECK;
-            NORMALIZE_CHECK;
-            return DUMMY_REP;
-          }
-          else
-          {
-            UPDATE_1_CHECK;
-          }
-        }
-        else
-        {
-          UPDATE_1_CHECK;
-          prob = probs + IsRepG1 + state;
-          IF_BIT_0_CHECK(prob)
-          {
-            UPDATE_0_CHECK;
-          }
-          else
-          {
-            UPDATE_1_CHECK;
-            prob = probs + IsRepG2 + state;
-            IF_BIT_0_CHECK(prob)
-            {
-              UPDATE_0_CHECK;
-            }
-            else
-            {
-              UPDATE_1_CHECK;
-            }
-          }
-        }
-        state = kNumStates;
-        prob = probs + RepLenCoder;
-      }
-      {
-        unsigned limit, offset;
-        CLzmaProb *probLen = prob + LenChoice;
-        IF_BIT_0_CHECK(probLen)
-        {
-          UPDATE_0_CHECK;
-          probLen = prob + LenLow + (posState << kLenNumLowBits);
-          offset = 0;
-          limit = 1 << kLenNumLowBits;
-        }
-        else
-        {
-          UPDATE_1_CHECK;
-          probLen = prob + LenChoice2;
-          IF_BIT_0_CHECK(probLen)
-          {
-            UPDATE_0_CHECK;
-            probLen = prob + LenMid + (posState << kLenNumMidBits);
-            offset = kLenNumLowSymbols;
-            limit = 1 << kLenNumMidBits;
-          }
-          else
-          {
-            UPDATE_1_CHECK;
-            probLen = prob + LenHigh;
-            offset = kLenNumLowSymbols + kLenNumMidSymbols;
-            limit = 1 << kLenNumHighBits;
-          }
-        }
-        TREE_DECODE_CHECK(probLen, limit, len);
-        len += offset;
-      }
-
-      if (state < 4)
-      {
-        unsigned posSlot;
-        prob = probs + PosSlot +
-            ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
-            kNumPosSlotBits);
-        TREE_DECODE_CHECK(prob, 1 << kNumPosSlotBits, posSlot);
-        if (posSlot >= kStartPosModelIndex)
-        {
-          int numDirectBits = ((posSlot >> 1) - 1);
-
-          /* if (bufLimit - buf >= 8) return DUMMY_MATCH; */
-
-          if (posSlot < kEndPosModelIndex)
-          {
-            prob = probs + SpecPos + ((2 | (posSlot & 1)) << numDirectBits) - posSlot - 1;
-          }
-          else
-          {
-            numDirectBits -= kNumAlignBits;
-            do
-            {
-              NORMALIZE_CHECK
-              range >>= 1;
-              code -= range & (((code - range) >> 31) - 1);
-              /* if (code >= range) code -= range; */
-            }
-            while (--numDirectBits != 0);
-            prob = probs + Align;
-            numDirectBits = kNumAlignBits;
-          }
-          {
-            unsigned i = 1;
-            do
-            {
-              GET_BIT_CHECK(prob + i, i);
-            }
-            while (--numDirectBits != 0);
-          }
-        }
-      }
-    }
-  }
-  NORMALIZE_CHECK;
-  return res;
-}
-
-
-static void LzmaDec_InitRc(CLzmaDec *p, const Byte *data)
-{
-  p->code = ((UInt32)data[1] << 24) | ((UInt32)data[2] << 16) | ((UInt32)data[3] << 8) | ((UInt32)data[4]);
-  p->range = 0xFFFFFFFF;
-  p->needFlush = 0;
-}
-
-void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState)
-{
-  p->needFlush = 1;
-  p->remainLen = 0;
-  p->tempBufSize = 0;
-
-  if (initDic)
-  {
-    p->processedPos = 0;
-    p->checkDicSize = 0;
-    p->needInitState = 1;
-  }
-  if (initState)
-    p->needInitState = 1;
-}
-
-void LzmaDec_Init(CLzmaDec *p)
-{
-  p->dicPos = 0;
-  LzmaDec_InitDicAndState(p, True, True);
-}
-
-static void LzmaDec_InitStateReal(CLzmaDec *p)
-{
-  UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (p->prop.lc + p->prop.lp));
-  UInt32 i;
-  CLzmaProb *probs = p->probs;
-  for (i = 0; i < numProbs; i++)
-    probs[i] = kBitModelTotal >> 1;
-  p->reps[0] = p->reps[1] = p->reps[2] = p->reps[3] = 1;
-  p->state = 0;
-  p->needInitState = 0;
-}
-
-SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen,
-    ELzmaFinishMode finishMode, ELzmaStatus *status)
-{
-  SizeT inSize = *srcLen;
-  (*srcLen) = 0;
-  LzmaDec_WriteRem(p, dicLimit);
-  
-  *status = LZMA_STATUS_NOT_SPECIFIED;
-
-  while (p->remainLen != kMatchSpecLenStart)
-  {
-      int checkEndMarkNow;
-
-      if (p->needFlush != 0)
-      {
-        for (; inSize > 0 && p->tempBufSize < RC_INIT_SIZE; (*srcLen)++, inSize--)
-          p->tempBuf[p->tempBufSize++] = *src++;
-        if (p->tempBufSize < RC_INIT_SIZE)
-        {
-          *status = LZMA_STATUS_NEEDS_MORE_INPUT;
-          return SZ_OK;
-        }
-        if (p->tempBuf[0] != 0)
-          return SZ_ERROR_DATA;
-
-        LzmaDec_InitRc(p, p->tempBuf);
-        p->tempBufSize = 0;
-      }
-
-      checkEndMarkNow = 0;
-      if (p->dicPos >= dicLimit)
-      {
-        if (p->remainLen == 0 && p->code == 0)
-        {
-          *status = LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK;
-          return SZ_OK;
-        }
-        if (finishMode == LZMA_FINISH_ANY)
-        {
-          *status = LZMA_STATUS_NOT_FINISHED;
-          return SZ_OK;
-        }
-        if (p->remainLen != 0)
-        {
-          *status = LZMA_STATUS_NOT_FINISHED;
-          return SZ_ERROR_DATA;
-        }
-        checkEndMarkNow = 1;
-      }
-
-      if (p->needInitState)
-        LzmaDec_InitStateReal(p);
-  
-      if (p->tempBufSize == 0)
-      {
-        SizeT processed;
-        const Byte *bufLimit;
-        if (inSize < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow)
-        {
-          int dummyRes = LzmaDec_TryDummy(p, src, inSize);
-          if (dummyRes == DUMMY_ERROR)
-          {
-            memcpy(p->tempBuf, src, inSize);
-            p->tempBufSize = (unsigned)inSize;
-            (*srcLen) += inSize;
-            *status = LZMA_STATUS_NEEDS_MORE_INPUT;
-            return SZ_OK;
-          }
-          if (checkEndMarkNow && dummyRes != DUMMY_MATCH)
-          {
-            *status = LZMA_STATUS_NOT_FINISHED;
-            return SZ_ERROR_DATA;
-          }
-          bufLimit = src;
-        }
-        else
-          bufLimit = src + inSize - LZMA_REQUIRED_INPUT_MAX;
-        p->buf = src;
-        if (LzmaDec_DecodeReal2(p, dicLimit, bufLimit) != 0)
-          return SZ_ERROR_DATA;
-        processed = (SizeT)(p->buf - src);
-        (*srcLen) += processed;
-        src += processed;
-        inSize -= processed;
-      }
-      else
-      {
-        unsigned rem = p->tempBufSize, lookAhead = 0;
-        while (rem < LZMA_REQUIRED_INPUT_MAX && lookAhead < inSize)
-          p->tempBuf[rem++] = src[lookAhead++];
-        p->tempBufSize = rem;
-        if (rem < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow)
-        {
-          int dummyRes = LzmaDec_TryDummy(p, p->tempBuf, rem);
-          if (dummyRes == DUMMY_ERROR)
-          {
-            (*srcLen) += lookAhead;
-            *status = LZMA_STATUS_NEEDS_MORE_INPUT;
-            return SZ_OK;
-          }
-          if (checkEndMarkNow && dummyRes != DUMMY_MATCH)
-          {
-            *status = LZMA_STATUS_NOT_FINISHED;
-            return SZ_ERROR_DATA;
-          }
-        }
-        p->buf = p->tempBuf;
-        if (LzmaDec_DecodeReal2(p, dicLimit, p->buf) != 0)
-          return SZ_ERROR_DATA;
-        lookAhead -= (rem - (unsigned)(p->buf - p->tempBuf));
-        (*srcLen) += lookAhead;
-        src += lookAhead;
-        inSize -= lookAhead;
-        p->tempBufSize = 0;
-      }
-  }
-  if (p->code == 0)
-    *status = LZMA_STATUS_FINISHED_WITH_MARK;
-  return (p->code == 0) ? SZ_OK : SZ_ERROR_DATA;
-}
-
-SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status)
-{
-  SizeT outSize = *destLen;
-  SizeT inSize = *srcLen;
-  *srcLen = *destLen = 0;
-  for (;;)
-  {
-    SizeT inSizeCur = inSize, outSizeCur, dicPos;
-    ELzmaFinishMode curFinishMode;
-    SRes res;
-    if (p->dicPos == p->dicBufSize)
-      p->dicPos = 0;
-    dicPos = p->dicPos;
-    if (outSize > p->dicBufSize - dicPos)
-    {
-      outSizeCur = p->dicBufSize;
-      curFinishMode = LZMA_FINISH_ANY;
-    }
-    else
-    {
-      outSizeCur = dicPos + outSize;
-      curFinishMode = finishMode;
-    }
-
-    res = LzmaDec_DecodeToDic(p, outSizeCur, src, &inSizeCur, curFinishMode, status);
-    src += inSizeCur;
-    inSize -= inSizeCur;
-    *srcLen += inSizeCur;
-    outSizeCur = p->dicPos - dicPos;
-    memcpy(dest, p->dic + dicPos, outSizeCur);
-    dest += outSizeCur;
-    outSize -= outSizeCur;
-    *destLen += outSizeCur;
-    if (res != 0)
-      return res;
-    if (outSizeCur == 0 || outSize == 0)
-      return SZ_OK;
-  }
-}
-
-void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc)
-{
-  alloc->Free(alloc, p->probs);
-  p->probs = 0;
-}
-
-static void LzmaDec_FreeDict(CLzmaDec *p, ISzAlloc *alloc)
-{
-  alloc->Free(alloc, p->dic);
-  p->dic = 0;
-}
-
-void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc)
-{
-  LzmaDec_FreeProbs(p, alloc);
-  LzmaDec_FreeDict(p, alloc);
-}
-
-SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size)
-{
-  UInt32 dicSize;
-  Byte d;
-  
-  if (size < LZMA_PROPS_SIZE)
-    return SZ_ERROR_UNSUPPORTED;
-  else
-    dicSize = data[1] | ((UInt32)data[2] << 8) | ((UInt32)data[3] << 16) | ((UInt32)data[4] << 24);
- 
-  if (dicSize < LZMA_DIC_MIN)
-    dicSize = LZMA_DIC_MIN;
-  p->dicSize = dicSize;
-
-  d = data[0];
-  if (d >= (9 * 5 * 5))
-    return SZ_ERROR_UNSUPPORTED;
-
-  p->lc = d % 9;
-  d /= 9;
-  p->pb = d / 5;
-  p->lp = d % 5;
-
-  return SZ_OK;
-}
-
-static SRes LzmaDec_AllocateProbs2(CLzmaDec *p, const CLzmaProps *propNew, ISzAlloc *alloc)
-{
-  UInt32 numProbs = LzmaProps_GetNumProbs(propNew);
-  if (p->probs == 0 || numProbs != p->numProbs)
-  {
-    LzmaDec_FreeProbs(p, alloc);
-    p->probs = (CLzmaProb *)alloc->Alloc(alloc, numProbs * sizeof(CLzmaProb));
-    p->numProbs = numProbs;
-    if (p->probs == 0)
-      return SZ_ERROR_MEM;
-  }
-  return SZ_OK;
-}
-
-SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
-{
-  CLzmaProps propNew;
-  RINOK(LzmaProps_Decode(&propNew, props, propsSize));
-  RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc));
-  p->prop = propNew;
-  return SZ_OK;
-}
-
-SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
-{
-  CLzmaProps propNew;
-  SizeT dicBufSize;
-  RINOK(LzmaProps_Decode(&propNew, props, propsSize));
-  RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc));
-  dicBufSize = propNew.dicSize;
-  if (p->dic == 0 || dicBufSize != p->dicBufSize)
-  {
-    LzmaDec_FreeDict(p, alloc);
-    p->dic = (Byte *)alloc->Alloc(alloc, dicBufSize);
-    if (p->dic == 0)
-    {
-      LzmaDec_FreeProbs(p, alloc);
-      return SZ_ERROR_MEM;
-    }
-  }
-  p->dicBufSize = dicBufSize;
-  p->prop = propNew;
-  return SZ_OK;
-}
-
-SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
-    const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode,
-    ELzmaStatus *status, ISzAlloc *alloc)
-{
-  CLzmaDec p;
-  SRes res;
-  SizeT inSize = *srcLen;
-  SizeT outSize = *destLen;
-  *srcLen = *destLen = 0;
-  if (inSize < RC_INIT_SIZE)
-    return SZ_ERROR_INPUT_EOF;
-
-  LzmaDec_Construct(&p);
-  res = LzmaDec_AllocateProbs(&p, propData, propSize, alloc);
-  if (res != 0)
-    return res;
-  p.dic = dest;
-  p.dicBufSize = outSize;
-
-  LzmaDec_Init(&p);
-  
-  *srcLen = inSize;
-  res = LzmaDec_DecodeToDic(&p, outSize, src, srcLen, finishMode, status);
-
-  if (res == SZ_OK && *status == LZMA_STATUS_NEEDS_MORE_INPUT)
-    res = SZ_ERROR_INPUT_EOF;
-
-  (*destLen) = p.dicPos;
-  LzmaDec_FreeProbs(&p, alloc);
-  return res;
-}