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feat(build): add StormLib (#4)

Browse source 
* feat(app): add StormLib

* feat(app): add OpenArchives

* feat(util): update SFile to work with StormLib

* feat(app): update SFile

* feat(util): update SFile with logging (Windows only)

* feat(ui): implemented termination w/o notice

* chore(build): update StormLib

* chore(util): replace std::string with SStr* functions

* fix(stormlib): dwFlags argument for SFileOpenPatchArchive

* chore(ui): add Script_* stubs

* chore(util): clean up SFile::OpenEx

* chore(build): update StormLib

---------

Co-authored-by: Phaneron <superp00t@tutanota.com>
This commit is contained in:
VDm 2024-02-12 02:19:18 +04:00 • committed by GitHub
parent c5e0034604
commit f86f6d6d09
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323 changed files with 73232 additions and 75 deletions
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761
vendor/stormlib-9/src/lzma/C/LzFind.c vendored Normal file
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/* LzFind.c -- Match finder for LZ algorithms
2009-04-22 : Igor Pavlov : Public domain */
#include <string.h>
#include "LzFind.h"
#include "LzHash.h"
#define kEmptyHashValue 0
#define kMaxValForNormalize ((UInt32)0xFFFFFFFF)
#define kNormalizeStepMin (1 << 10) /* it must be power of 2 */
#define kNormalizeMask (~(kNormalizeStepMin - 1))
#define kMaxHistorySize ((UInt32)3 << 30)
#define kStartMaxLen 3
static void LzInWindow_Free(CMatchFinder *p, ISzAlloc *alloc)
{
if (!p->directInput)
{
alloc->Free(alloc, p->bufferBase);
p->bufferBase = 0;
}
}
/* keepSizeBefore + keepSizeAfter + keepSizeReserv must be < 4G) */
static int LzInWindow_Create(CMatchFinder *p, UInt32 keepSizeReserv, ISzAlloc *alloc)
{
UInt32 blockSize = p->keepSizeBefore + p->keepSizeAfter + keepSizeReserv;
if (p->directInput)
{
p->blockSize = blockSize;
return 1;
}
if (p->bufferBase == 0 || p->blockSize != blockSize)
{
LzInWindow_Free(p, alloc);
p->blockSize = blockSize;
p->bufferBase = (Byte *)alloc->Alloc(alloc, (size_t)blockSize);
}
return (p->bufferBase != 0);
}
Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; }
Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; }
UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; }
void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue)
{
p->posLimit -= subValue;
p->pos -= subValue;
p->streamPos -= subValue;
}
static void MatchFinder_ReadBlock(CMatchFinder *p)
{
if (p->streamEndWasReached || p->result != SZ_OK)
return;
if (p->directInput)
{
UInt32 curSize = 0xFFFFFFFF - p->streamPos;
if (curSize > p->directInputRem)
curSize = (UInt32)p->directInputRem;
p->directInputRem -= curSize;
p->streamPos += curSize;
if (p->directInputRem == 0)
p->streamEndWasReached = 1;
return;
}
for (;;)
{
Byte *dest = p->buffer + (p->streamPos - p->pos);
size_t size = (p->bufferBase + p->blockSize - dest);
if (size == 0)
return;
p->result = p->stream->Read(p->stream, dest, &size);
if (p->result != SZ_OK)
return;
if (size == 0)
{
p->streamEndWasReached = 1;
return;
}
p->streamPos += (UInt32)size;
if (p->streamPos - p->pos > p->keepSizeAfter)
return;
}
}
void MatchFinder_MoveBlock(CMatchFinder *p)
{
memmove(p->bufferBase,
p->buffer - p->keepSizeBefore,
(size_t)(p->streamPos - p->pos + p->keepSizeBefore));
p->buffer = p->bufferBase + p->keepSizeBefore;
}
int MatchFinder_NeedMove(CMatchFinder *p)
{
if (p->directInput)
return 0;
/* if (p->streamEndWasReached) return 0; */
return ((size_t)(p->bufferBase + p->blockSize - p->buffer) <= p->keepSizeAfter);
}
void MatchFinder_ReadIfRequired(CMatchFinder *p)
{
if (p->streamEndWasReached)
return;
if (p->keepSizeAfter >= p->streamPos - p->pos)
MatchFinder_ReadBlock(p);
}
static void MatchFinder_CheckAndMoveAndRead(CMatchFinder *p)
{
if (MatchFinder_NeedMove(p))
MatchFinder_MoveBlock(p);
MatchFinder_ReadBlock(p);
}
static void MatchFinder_SetDefaultSettings(CMatchFinder *p)
{
p->cutValue = 32;
p->btMode = 1;
p->numHashBytes = 4;
p->bigHash = 0;
}
#define kCrcPoly 0xEDB88320
void MatchFinder_Construct(CMatchFinder *p)
{
UInt32 i;
p->bufferBase = 0;
p->directInput = 0;
p->hash = 0;
MatchFinder_SetDefaultSettings(p);
for (i = 0; i < 256; i++)
{
UInt32 r = i;
int j;
for (j = 0; j < 8; j++)
r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1));
p->crc[i] = r;
}
}
static void MatchFinder_FreeThisClassMemory(CMatchFinder *p, ISzAlloc *alloc)
{
alloc->Free(alloc, p->hash);
p->hash = 0;
}
void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc)
{
MatchFinder_FreeThisClassMemory(p, alloc);
LzInWindow_Free(p, alloc);
}
static CLzRef* AllocRefs(UInt32 num, ISzAlloc *alloc)
{
size_t sizeInBytes = (size_t)num * sizeof(CLzRef);
if (sizeInBytes / sizeof(CLzRef) != num)
return 0;
return (CLzRef *)alloc->Alloc(alloc, sizeInBytes);
}
int MatchFinder_Create(CMatchFinder *p, UInt32 historySize,
UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter,
ISzAlloc *alloc)
{
UInt32 sizeReserv;
if (historySize > kMaxHistorySize)
{
MatchFinder_Free(p, alloc);
return 0;
}
sizeReserv = historySize >> 1;
if (historySize > ((UInt32)2 << 30))
sizeReserv = historySize >> 2;
sizeReserv += (keepAddBufferBefore + matchMaxLen + keepAddBufferAfter) / 2 + (1 << 19);
p->keepSizeBefore = historySize + keepAddBufferBefore + 1;
p->keepSizeAfter = matchMaxLen + keepAddBufferAfter;
/* we need one additional byte, since we use MoveBlock after pos++ and before dictionary using */
if (LzInWindow_Create(p, sizeReserv, alloc))
{
UInt32 newCyclicBufferSize = historySize + 1;
UInt32 hs;
p->matchMaxLen = matchMaxLen;
{
p->fixedHashSize = 0;
if (p->numHashBytes == 2)
hs = (1 << 16) - 1;
else
{
hs = historySize - 1;
hs |= (hs >> 1);
hs |= (hs >> 2);
hs |= (hs >> 4);
hs |= (hs >> 8);
hs >>= 1;
hs |= 0xFFFF; /* don't change it! It's required for Deflate */
if (hs > (1 << 24))
{
if (p->numHashBytes == 3)
hs = (1 << 24) - 1;
else
hs >>= 1;
}
}
p->hashMask = hs;
hs++;
if (p->numHashBytes > 2) p->fixedHashSize += kHash2Size;
if (p->numHashBytes > 3) p->fixedHashSize += kHash3Size;
if (p->numHashBytes > 4) p->fixedHashSize += kHash4Size;
hs += p->fixedHashSize;
}
{
UInt32 prevSize = p->hashSizeSum + p->numSons;
UInt32 newSize;
p->historySize = historySize;
p->hashSizeSum = hs;
p->cyclicBufferSize = newCyclicBufferSize;
p->numSons = (p->btMode ? newCyclicBufferSize * 2 : newCyclicBufferSize);
newSize = p->hashSizeSum + p->numSons;
if (p->hash != 0 && prevSize == newSize)
return 1;
MatchFinder_FreeThisClassMemory(p, alloc);
p->hash = AllocRefs(newSize, alloc);
if (p->hash != 0)
{
p->son = p->hash + p->hashSizeSum;
return 1;
}
}
}
MatchFinder_Free(p, alloc);
return 0;
}
static void MatchFinder_SetLimits(CMatchFinder *p)
{
UInt32 limit = kMaxValForNormalize - p->pos;
UInt32 limit2 = p->cyclicBufferSize - p->cyclicBufferPos;
if (limit2 < limit)
limit = limit2;
limit2 = p->streamPos - p->pos;
if (limit2 <= p->keepSizeAfter)
{
if (limit2 > 0)
limit2 = 1;
}
else
limit2 -= p->keepSizeAfter;
if (limit2 < limit)
limit = limit2;
{
UInt32 lenLimit = p->streamPos - p->pos;
if (lenLimit > p->matchMaxLen)
lenLimit = p->matchMaxLen;
p->lenLimit = lenLimit;
}
p->posLimit = p->pos + limit;
}
void MatchFinder_Init(CMatchFinder *p)
{
UInt32 i;
for (i = 0; i < p->hashSizeSum; i++)
p->hash[i] = kEmptyHashValue;
p->cyclicBufferPos = 0;
p->buffer = p->bufferBase;
p->pos = p->streamPos = p->cyclicBufferSize;
p->result = SZ_OK;
p->streamEndWasReached = 0;
MatchFinder_ReadBlock(p);
MatchFinder_SetLimits(p);
}
static UInt32 MatchFinder_GetSubValue(CMatchFinder *p)
{
return (p->pos - p->historySize - 1) & kNormalizeMask;
}
void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems)
{
UInt32 i;
for (i = 0; i < numItems; i++)
{
UInt32 value = items[i];
if (value <= subValue)
value = kEmptyHashValue;
else
value -= subValue;
items[i] = value;
}
}
static void MatchFinder_Normalize(CMatchFinder *p)
{
UInt32 subValue = MatchFinder_GetSubValue(p);
MatchFinder_Normalize3(subValue, p->hash, p->hashSizeSum + p->numSons);
MatchFinder_ReduceOffsets(p, subValue);
}
static void MatchFinder_CheckLimits(CMatchFinder *p)
{
if (p->pos == kMaxValForNormalize)
MatchFinder_Normalize(p);
if (!p->streamEndWasReached && p->keepSizeAfter == p->streamPos - p->pos)
MatchFinder_CheckAndMoveAndRead(p);
if (p->cyclicBufferPos == p->cyclicBufferSize)
p->cyclicBufferPos = 0;
MatchFinder_SetLimits(p);
}
static UInt32 * Hc_GetMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son,
UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue,
UInt32 *distances, UInt32 maxLen)
{
son[_cyclicBufferPos] = curMatch;
for (;;)
{
UInt32 delta = pos - curMatch;
if (cutValue-- == 0 || delta >= _cyclicBufferSize)
return distances;
{
const Byte *pb = cur - delta;
curMatch = son[_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)];
if (pb[maxLen] == cur[maxLen] && *pb == *cur)
{
UInt32 len = 0;
while (++len != lenLimit)
if (pb[len] != cur[len])
break;
if (maxLen < len)
{
*distances++ = maxLen = len;
*distances++ = delta - 1;
if (len == lenLimit)
return distances;
}
}
}
}
}
UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son,
UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue,
UInt32 *distances, UInt32 maxLen)
{
CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1;
CLzRef *ptr1 = son + (_cyclicBufferPos << 1);
UInt32 len0 = 0, len1 = 0;
for (;;)
{
UInt32 delta = pos - curMatch;
if (cutValue-- == 0 || delta >= _cyclicBufferSize)
{
*ptr0 = *ptr1 = kEmptyHashValue;
return distances;
}
{
CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1);
const Byte *pb = cur - delta;
UInt32 len = (len0 < len1 ? len0 : len1);
if (pb[len] == cur[len])
{
if (++len != lenLimit && pb[len] == cur[len])
while (++len != lenLimit)
if (pb[len] != cur[len])
break;
if (maxLen < len)
{
*distances++ = maxLen = len;
*distances++ = delta - 1;
if (len == lenLimit)
{
*ptr1 = pair[0];
*ptr0 = pair[1];
return distances;
}
}
}
if (pb[len] < cur[len])
{
*ptr1 = curMatch;
ptr1 = pair + 1;
curMatch = *ptr1;
len1 = len;
}
else
{
*ptr0 = curMatch;
ptr0 = pair;
curMatch = *ptr0;
len0 = len;
}
}
}
}
static void SkipMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son,
UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue)
{
CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1;
CLzRef *ptr1 = son + (_cyclicBufferPos << 1);
UInt32 len0 = 0, len1 = 0;
for (;;)
{
UInt32 delta = pos - curMatch;
if (cutValue-- == 0 || delta >= _cyclicBufferSize)
{
*ptr0 = *ptr1 = kEmptyHashValue;
return;
}
{
CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1);
const Byte *pb = cur - delta;
UInt32 len = (len0 < len1 ? len0 : len1);
if (pb[len] == cur[len])
{
while (++len != lenLimit)
if (pb[len] != cur[len])
break;
{
if (len == lenLimit)
{
*ptr1 = pair[0];
*ptr0 = pair[1];
return;
}
}
}
if (pb[len] < cur[len])
{
*ptr1 = curMatch;
ptr1 = pair + 1;
curMatch = *ptr1;
len1 = len;
}
else
{
*ptr0 = curMatch;
ptr0 = pair;
curMatch = *ptr0;
len0 = len;
}
}
}
}
#define MOVE_POS \
++p->cyclicBufferPos; \
p->buffer++; \
if (++p->pos == p->posLimit) MatchFinder_CheckLimits(p);
#define MOVE_POS_RET MOVE_POS return offset;
static void MatchFinder_MovePos(CMatchFinder *p) { MOVE_POS; }
#define GET_MATCHES_HEADER2(minLen, ret_op) \
UInt32 lenLimit; UInt32 hashValue; const Byte *cur; UInt32 curMatch; \
lenLimit = p->lenLimit; { if (lenLimit < minLen) { MatchFinder_MovePos(p); ret_op; }} \
cur = p->buffer;
#define GET_MATCHES_HEADER(minLen) GET_MATCHES_HEADER2(minLen, return 0)
#define SKIP_HEADER(minLen) GET_MATCHES_HEADER2(minLen, continue)
#define MF_PARAMS(p) p->pos, p->buffer, p->son, p->cyclicBufferPos, p->cyclicBufferSize, p->cutValue
#define GET_MATCHES_FOOTER(offset, maxLen) \
offset = (UInt32)(GetMatchesSpec1(lenLimit, curMatch, MF_PARAMS(p), \
distances + offset, maxLen) - distances); MOVE_POS_RET;
#define SKIP_FOOTER \
SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); MOVE_POS;
static UInt32 Bt2_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
{
UInt32 offset;
GET_MATCHES_HEADER(2)
HASH2_CALC;
curMatch = p->hash[hashValue];
p->hash[hashValue] = p->pos;
offset = 0;
GET_MATCHES_FOOTER(offset, 1)
}
UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
{
UInt32 offset;
GET_MATCHES_HEADER(3)
HASH_ZIP_CALC;
curMatch = p->hash[hashValue];
p->hash[hashValue] = p->pos;
offset = 0;
GET_MATCHES_FOOTER(offset, 2)
}
static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
{
UInt32 hash2Value, delta2, maxLen, offset;
GET_MATCHES_HEADER(3)
HASH3_CALC;
delta2 = p->pos - p->hash[hash2Value];
curMatch = p->hash[kFix3HashSize + hashValue];
p->hash[hash2Value] =
p->hash[kFix3HashSize + hashValue] = p->pos;
maxLen = 2;
offset = 0;
if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur)
{
for (; maxLen != lenLimit; maxLen++)
if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen])
break;
distances[0] = maxLen;
distances[1] = delta2 - 1;
offset = 2;
if (maxLen == lenLimit)
{
SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p));
MOVE_POS_RET;
}
}
GET_MATCHES_FOOTER(offset, maxLen)
}
static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
{
UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset;
GET_MATCHES_HEADER(4)
HASH4_CALC;
delta2 = p->pos - p->hash[ hash2Value];
delta3 = p->pos - p->hash[kFix3HashSize + hash3Value];
curMatch = p->hash[kFix4HashSize + hashValue];
p->hash[ hash2Value] =
p->hash[kFix3HashSize + hash3Value] =
p->hash[kFix4HashSize + hashValue] = p->pos;
maxLen = 1;
offset = 0;
if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur)
{
distances[0] = maxLen = 2;
distances[1] = delta2 - 1;
offset = 2;
}
if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur)
{
maxLen = 3;
distances[offset + 1] = delta3 - 1;
offset += 2;
delta2 = delta3;
}
if (offset != 0)
{
for (; maxLen != lenLimit; maxLen++)
if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen])
break;
distances[offset - 2] = maxLen;
if (maxLen == lenLimit)
{
SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p));
MOVE_POS_RET;
}
}
if (maxLen < 3)
maxLen = 3;
GET_MATCHES_FOOTER(offset, maxLen)
}
static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
{
UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset;
GET_MATCHES_HEADER(4)
HASH4_CALC;
delta2 = p->pos - p->hash[ hash2Value];
delta3 = p->pos - p->hash[kFix3HashSize + hash3Value];
curMatch = p->hash[kFix4HashSize + hashValue];
p->hash[ hash2Value] =
p->hash[kFix3HashSize + hash3Value] =
p->hash[kFix4HashSize + hashValue] = p->pos;
maxLen = 1;
offset = 0;
if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur)
{
distances[0] = maxLen = 2;
distances[1] = delta2 - 1;
offset = 2;
}
if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur)
{
maxLen = 3;
distances[offset + 1] = delta3 - 1;
offset += 2;
delta2 = delta3;
}
if (offset != 0)
{
for (; maxLen != lenLimit; maxLen++)
if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen])
break;
distances[offset - 2] = maxLen;
if (maxLen == lenLimit)
{
p->son[p->cyclicBufferPos] = curMatch;
MOVE_POS_RET;
}
}
if (maxLen < 3)
maxLen = 3;
offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p),
distances + offset, maxLen) - (distances));
MOVE_POS_RET
}
UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
{
UInt32 offset;
GET_MATCHES_HEADER(3)
HASH_ZIP_CALC;
curMatch = p->hash[hashValue];
p->hash[hashValue] = p->pos;
offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p),
distances, 2) - (distances));
MOVE_POS_RET
}
static void Bt2_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
{
do
{
SKIP_HEADER(2)
HASH2_CALC;
curMatch = p->hash[hashValue];
p->hash[hashValue] = p->pos;
SKIP_FOOTER
}
while (--num != 0);
}
void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
{
do
{
SKIP_HEADER(3)
HASH_ZIP_CALC;
curMatch = p->hash[hashValue];
p->hash[hashValue] = p->pos;
SKIP_FOOTER
}
while (--num != 0);
}
static void Bt3_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
{
do
{
UInt32 hash2Value;
SKIP_HEADER(3)
HASH3_CALC;
curMatch = p->hash[kFix3HashSize + hashValue];
p->hash[hash2Value] =
p->hash[kFix3HashSize + hashValue] = p->pos;
SKIP_FOOTER
}
while (--num != 0);
}
static void Bt4_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
{
do
{
UInt32 hash2Value, hash3Value;
SKIP_HEADER(4)
HASH4_CALC;
curMatch = p->hash[kFix4HashSize + hashValue];
p->hash[ hash2Value] =
p->hash[kFix3HashSize + hash3Value] = p->pos;
p->hash[kFix4HashSize + hashValue] = p->pos;
SKIP_FOOTER
}
while (--num != 0);
}
static void Hc4_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
{
do
{
UInt32 hash2Value, hash3Value;
SKIP_HEADER(4)
HASH4_CALC;
curMatch = p->hash[kFix4HashSize + hashValue];
p->hash[ hash2Value] =
p->hash[kFix3HashSize + hash3Value] =
p->hash[kFix4HashSize + hashValue] = p->pos;
p->son[p->cyclicBufferPos] = curMatch;
MOVE_POS
}
while (--num != 0);
}
void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
{
do
{
SKIP_HEADER(3)
HASH_ZIP_CALC;
curMatch = p->hash[hashValue];
p->hash[hashValue] = p->pos;
p->son[p->cyclicBufferPos] = curMatch;
MOVE_POS
}
while (--num != 0);
}
void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable)
{
vTable->Init = (Mf_Init_Func)MatchFinder_Init;
vTable->GetIndexByte = (Mf_GetIndexByte_Func)MatchFinder_GetIndexByte;
vTable->GetNumAvailableBytes = (Mf_GetNumAvailableBytes_Func)MatchFinder_GetNumAvailableBytes;
vTable->GetPointerToCurrentPos = (Mf_GetPointerToCurrentPos_Func)MatchFinder_GetPointerToCurrentPos;
if (!p->btMode)
{
vTable->GetMatches = (Mf_GetMatches_Func)Hc4_MatchFinder_GetMatches;
vTable->Skip = (Mf_Skip_Func)Hc4_MatchFinder_Skip;
}
else if (p->numHashBytes == 2)
{
vTable->GetMatches = (Mf_GetMatches_Func)Bt2_MatchFinder_GetMatches;
vTable->Skip = (Mf_Skip_Func)Bt2_MatchFinder_Skip;
}
else if (p->numHashBytes == 3)
{
vTable->GetMatches = (Mf_GetMatches_Func)Bt3_MatchFinder_GetMatches;
vTable->Skip = (Mf_Skip_Func)Bt3_MatchFinder_Skip;
}
else
{
vTable->GetMatches = (Mf_GetMatches_Func)Bt4_MatchFinder_GetMatches;
vTable->Skip = (Mf_Skip_Func)Bt4_MatchFinder_Skip;
}
}

115
vendor/stormlib-9/src/lzma/C/LzFind.h vendored Normal file
View file

@ -0,0 +1,115 @@
/* LzFind.h -- Match finder for LZ algorithms
2009-04-22 : Igor Pavlov : Public domain */
#ifndef __LZ_FIND_H
#define __LZ_FIND_H
#include "Types.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef UInt32 CLzRef;
typedef struct _CMatchFinder
{
Byte *buffer;
UInt32 pos;
UInt32 posLimit;
UInt32 streamPos;
UInt32 lenLimit;
UInt32 cyclicBufferPos;
UInt32 cyclicBufferSize; /* it must be = (historySize + 1) */
UInt32 matchMaxLen;
CLzRef *hash;
CLzRef *son;
UInt32 hashMask;
UInt32 cutValue;
Byte *bufferBase;
ISeqInStream *stream;
int streamEndWasReached;
UInt32 blockSize;
UInt32 keepSizeBefore;
UInt32 keepSizeAfter;
UInt32 numHashBytes;
int directInput;
size_t directInputRem;
int btMode;
int bigHash;
UInt32 historySize;
UInt32 fixedHashSize;
UInt32 hashSizeSum;
UInt32 numSons;
SRes result;
UInt32 crc[256];
} CMatchFinder;
#define Inline_MatchFinder_GetPointerToCurrentPos(p) ((p)->buffer)
#define Inline_MatchFinder_GetIndexByte(p, index) ((p)->buffer[(Int32)(index)])
#define Inline_MatchFinder_GetNumAvailableBytes(p) ((p)->streamPos - (p)->pos)
int MatchFinder_NeedMove(CMatchFinder *p);
Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p);
void MatchFinder_MoveBlock(CMatchFinder *p);
void MatchFinder_ReadIfRequired(CMatchFinder *p);
void MatchFinder_Construct(CMatchFinder *p);
/* Conditions:
historySize <= 3 GB
keepAddBufferBefore + matchMaxLen + keepAddBufferAfter < 511MB
*/
int MatchFinder_Create(CMatchFinder *p, UInt32 historySize,
UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter,
ISzAlloc *alloc);
void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc);
void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems);
void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue);
UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *buffer, CLzRef *son,
UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue,
UInt32 *distances, UInt32 maxLen);
/*
Conditions:
Mf_GetNumAvailableBytes_Func must be called before each Mf_GetMatchLen_Func.
Mf_GetPointerToCurrentPos_Func's result must be used only before any other function
*/
typedef void (*Mf_Init_Func)(void *object);
typedef Byte (*Mf_GetIndexByte_Func)(void *object, Int32 index);
typedef UInt32 (*Mf_GetNumAvailableBytes_Func)(void *object);
typedef const Byte * (*Mf_GetPointerToCurrentPos_Func)(void *object);
typedef UInt32 (*Mf_GetMatches_Func)(void *object, UInt32 *distances);
typedef void (*Mf_Skip_Func)(void *object, UInt32);
typedef struct _IMatchFinder
{
Mf_Init_Func Init;
Mf_GetIndexByte_Func GetIndexByte;
Mf_GetNumAvailableBytes_Func GetNumAvailableBytes;
Mf_GetPointerToCurrentPos_Func GetPointerToCurrentPos;
Mf_GetMatches_Func GetMatches;
Mf_Skip_Func Skip;
} IMatchFinder;
void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable);
void MatchFinder_Init(CMatchFinder *p);
UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances);
UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances);
void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num);
void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num);
#ifdef __cplusplus
}
#endif
#endif

793
vendor/stormlib-9/src/lzma/C/LzFindMt.c vendored Normal file
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@ -0,0 +1,793 @@
/* LzFindMt.c -- multithreaded Match finder for LZ algorithms
2009-09-20 : Igor Pavlov : Public domain */
#include "LzHash.h"
#include "LzFindMt.h"
void MtSync_Construct(CMtSync *p)
{
p->wasCreated = False;
p->csWasInitialized = False;
p->csWasEntered = False;
Thread_Construct(&p->thread);
Event_Construct(&p->canStart);
Event_Construct(&p->wasStarted);
Event_Construct(&p->wasStopped);
Semaphore_Construct(&p->freeSemaphore);
Semaphore_Construct(&p->filledSemaphore);
}
void MtSync_GetNextBlock(CMtSync *p)
{
if (p->needStart)
{
p->numProcessedBlocks = 1;
p->needStart = False;
p->stopWriting = False;
p->exit = False;
Event_Reset(&p->wasStarted);
Event_Reset(&p->wasStopped);
Event_Set(&p->canStart);
Event_Wait(&p->wasStarted);
}
else
{
CriticalSection_Leave(&p->cs);
p->csWasEntered = False;
p->numProcessedBlocks++;
Semaphore_Release1(&p->freeSemaphore);
}
Semaphore_Wait(&p->filledSemaphore);
CriticalSection_Enter(&p->cs);
p->csWasEntered = True;
}
/* MtSync_StopWriting must be called if Writing was started */
void MtSync_StopWriting(CMtSync *p)
{
UInt32 myNumBlocks = p->numProcessedBlocks;
if (!Thread_WasCreated(&p->thread) || p->needStart)
return;
p->stopWriting = True;
if (p->csWasEntered)
{
CriticalSection_Leave(&p->cs);
p->csWasEntered = False;
}
Semaphore_Release1(&p->freeSemaphore);
Event_Wait(&p->wasStopped);
while (myNumBlocks++ != p->numProcessedBlocks)
{
Semaphore_Wait(&p->filledSemaphore);
Semaphore_Release1(&p->freeSemaphore);
}
p->needStart = True;
}
void MtSync_Destruct(CMtSync *p)
{
if (Thread_WasCreated(&p->thread))
{
MtSync_StopWriting(p);
p->exit = True;
if (p->needStart)
Event_Set(&p->canStart);
Thread_Wait(&p->thread);
Thread_Close(&p->thread);
}
if (p->csWasInitialized)
{
CriticalSection_Delete(&p->cs);
p->csWasInitialized = False;
}
Event_Close(&p->canStart);
Event_Close(&p->wasStarted);
Event_Close(&p->wasStopped);
Semaphore_Close(&p->freeSemaphore);
Semaphore_Close(&p->filledSemaphore);
p->wasCreated = False;
}
#define RINOK_THREAD(x) { if ((x) != 0) return SZ_ERROR_THREAD; }
static SRes MtSync_Create2(CMtSync *p, unsigned (MY_STD_CALL *startAddress)(void *), void *obj, UInt32 numBlocks)
{
if (p->wasCreated)
return SZ_OK;
RINOK_THREAD(CriticalSection_Init(&p->cs));
p->csWasInitialized = True;
RINOK_THREAD(AutoResetEvent_CreateNotSignaled(&p->canStart));
RINOK_THREAD(AutoResetEvent_CreateNotSignaled(&p->wasStarted));
RINOK_THREAD(AutoResetEvent_CreateNotSignaled(&p->wasStopped));
RINOK_THREAD(Semaphore_Create(&p->freeSemaphore, numBlocks, numBlocks));
RINOK_THREAD(Semaphore_Create(&p->filledSemaphore, 0, numBlocks));
p->needStart = True;
RINOK_THREAD(Thread_Create(&p->thread, startAddress, obj));
p->wasCreated = True;
return SZ_OK;
}
static SRes MtSync_Create(CMtSync *p, unsigned (MY_STD_CALL *startAddress)(void *), void *obj, UInt32 numBlocks)
{
SRes res = MtSync_Create2(p, startAddress, obj, numBlocks);
if (res != SZ_OK)
MtSync_Destruct(p);
return res;
}
void MtSync_Init(CMtSync *p) { p->needStart = True; }
#define kMtMaxValForNormalize 0xFFFFFFFF
#define DEF_GetHeads2(name, v, action) \
static void GetHeads ## name(const Byte *p, UInt32 pos, \
UInt32 *hash, UInt32 hashMask, UInt32 *heads, UInt32 numHeads, const UInt32 *crc) \
{ action; for (; numHeads != 0; numHeads--) { \
const UInt32 value = (v); p++; *heads++ = pos - hash[value]; hash[value] = pos++; } }
#define DEF_GetHeads(name, v) DEF_GetHeads2(name, v, ;)
DEF_GetHeads2(2, (p[0] | ((UInt32)p[1] << 8)), hashMask = hashMask; crc = crc; )
DEF_GetHeads(3, (crc[p[0]] ^ p[1] ^ ((UInt32)p[2] << 8)) & hashMask)
DEF_GetHeads(4, (crc[p[0]] ^ p[1] ^ ((UInt32)p[2] << 8) ^ (crc[p[3]] << 5)) & hashMask)
DEF_GetHeads(4b, (crc[p[0]] ^ p[1] ^ ((UInt32)p[2] << 8) ^ ((UInt32)p[3] << 16)) & hashMask)
/* DEF_GetHeads(5, (crc[p[0]] ^ p[1] ^ ((UInt32)p[2] << 8) ^ (crc[p[3]] << 5) ^ (crc[p[4]] << 3)) & hashMask) */
void HashThreadFunc(CMatchFinderMt *mt)
{
CMtSync *p = &mt->hashSync;
for (;;)
{
UInt32 numProcessedBlocks = 0;
Event_Wait(&p->canStart);
Event_Set(&p->wasStarted);
for (;;)
{
if (p->exit)
return;
if (p->stopWriting)
{
p->numProcessedBlocks = numProcessedBlocks;
Event_Set(&p->wasStopped);
break;
}
{
CMatchFinder *mf = mt->MatchFinder;
if (MatchFinder_NeedMove(mf))
{
CriticalSection_Enter(&mt->btSync.cs);
CriticalSection_Enter(&mt->hashSync.cs);
{
const Byte *beforePtr = MatchFinder_GetPointerToCurrentPos(mf);
const Byte *afterPtr;
MatchFinder_MoveBlock(mf);
afterPtr = MatchFinder_GetPointerToCurrentPos(mf);
mt->pointerToCurPos -= beforePtr - afterPtr;
mt->buffer -= beforePtr - afterPtr;
}
CriticalSection_Leave(&mt->btSync.cs);
CriticalSection_Leave(&mt->hashSync.cs);
continue;
}
Semaphore_Wait(&p->freeSemaphore);
MatchFinder_ReadIfRequired(mf);
if (mf->pos > (kMtMaxValForNormalize - kMtHashBlockSize))
{
UInt32 subValue = (mf->pos - mf->historySize - 1);
MatchFinder_ReduceOffsets(mf, subValue);
MatchFinder_Normalize3(subValue, mf->hash + mf->fixedHashSize, mf->hashMask + 1);
}
{
UInt32 *heads = mt->hashBuf + ((numProcessedBlocks++) & kMtHashNumBlocksMask) * kMtHashBlockSize;
UInt32 num = mf->streamPos - mf->pos;
heads[0] = 2;
heads[1] = num;
if (num >= mf->numHashBytes)
{
num = num - mf->numHashBytes + 1;
if (num > kMtHashBlockSize - 2)
num = kMtHashBlockSize - 2;
mt->GetHeadsFunc(mf->buffer, mf->pos, mf->hash + mf->fixedHashSize, mf->hashMask, heads + 2, num, mf->crc);
heads[0] += num;
}
mf->pos += num;
mf->buffer += num;
}
}
Semaphore_Release1(&p->filledSemaphore);
}
}
}
void MatchFinderMt_GetNextBlock_Hash(CMatchFinderMt *p)
{
MtSync_GetNextBlock(&p->hashSync);
p->hashBufPosLimit = p->hashBufPos = ((p->hashSync.numProcessedBlocks - 1) & kMtHashNumBlocksMask) * kMtHashBlockSize;
p->hashBufPosLimit += p->hashBuf[p->hashBufPos++];
p->hashNumAvail = p->hashBuf[p->hashBufPos++];
}
#define kEmptyHashValue 0
/* #define MFMT_GM_INLINE */
#ifdef MFMT_GM_INLINE
#define NO_INLINE MY_FAST_CALL
Int32 NO_INLINE GetMatchesSpecN(UInt32 lenLimit, UInt32 pos, const Byte *cur, CLzRef *son,
UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue,
UInt32 *_distances, UInt32 _maxLen, const UInt32 *hash, Int32 limit, UInt32 size, UInt32 *posRes)
{
do
{
UInt32 *distances = _distances + 1;
UInt32 curMatch = pos - *hash++;
CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1;
CLzRef *ptr1 = son + (_cyclicBufferPos << 1);
UInt32 len0 = 0, len1 = 0;
UInt32 cutValue = _cutValue;
UInt32 maxLen = _maxLen;
for (;;)
{
UInt32 delta = pos - curMatch;
if (cutValue-- == 0 || delta >= _cyclicBufferSize)
{
*ptr0 = *ptr1 = kEmptyHashValue;
break;
}
{
CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1);
const Byte *pb = cur - delta;
UInt32 len = (len0 < len1 ? len0 : len1);
if (pb[len] == cur[len])
{
if (++len != lenLimit && pb[len] == cur[len])
while (++len != lenLimit)
if (pb[len] != cur[len])
break;
if (maxLen < len)
{
*distances++ = maxLen = len;
*distances++ = delta - 1;
if (len == lenLimit)
{
*ptr1 = pair[0];
*ptr0 = pair[1];
break;
}
}
}
if (pb[len] < cur[len])
{
*ptr1 = curMatch;
ptr1 = pair + 1;
curMatch = *ptr1;
len1 = len;
}
else
{
*ptr0 = curMatch;
ptr0 = pair;
curMatch = *ptr0;
len0 = len;
}
}
}
pos++;
_cyclicBufferPos++;
cur++;
{
UInt32 num = (UInt32)(distances - _distances);
*_distances = num - 1;
_distances += num;
limit -= num;
}
}
while (limit > 0 && --size != 0);
*posRes = pos;
return limit;
}
#endif
void BtGetMatches(CMatchFinderMt *p, UInt32 *distances)
{
UInt32 numProcessed = 0;
UInt32 curPos = 2;
UInt32 limit = kMtBtBlockSize - (p->matchMaxLen * 2);
distances[1] = p->hashNumAvail;
while (curPos < limit)
{
if (p->hashBufPos == p->hashBufPosLimit)
{
MatchFinderMt_GetNextBlock_Hash(p);
distances[1] = numProcessed + p->hashNumAvail;
if (p->hashNumAvail >= p->numHashBytes)
continue;
for (; p->hashNumAvail != 0; p->hashNumAvail--)
distances[curPos++] = 0;
break;
}
{
UInt32 size = p->hashBufPosLimit - p->hashBufPos;
UInt32 lenLimit = p->matchMaxLen;
UInt32 pos = p->pos;
UInt32 cyclicBufferPos = p->cyclicBufferPos;
if (lenLimit >= p->hashNumAvail)
lenLimit = p->hashNumAvail;
{
UInt32 size2 = p->hashNumAvail - lenLimit + 1;
if (size2 < size)
size = size2;
size2 = p->cyclicBufferSize - cyclicBufferPos;
if (size2 < size)
size = size2;
}
#ifndef MFMT_GM_INLINE
while (curPos < limit && size-- != 0)
{
UInt32 *startDistances = distances + curPos;
UInt32 num = (UInt32)(GetMatchesSpec1(lenLimit, pos - p->hashBuf[p->hashBufPos++],
pos, p->buffer, p->son, cyclicBufferPos, p->cyclicBufferSize, p->cutValue,
startDistances + 1, p->numHashBytes - 1) - startDistances);
*startDistances = num - 1;
curPos += num;
cyclicBufferPos++;
pos++;
p->buffer++;
}
#else
{
UInt32 posRes;
curPos = limit - GetMatchesSpecN(lenLimit, pos, p->buffer, p->son, cyclicBufferPos, p->cyclicBufferSize, p->cutValue,
distances + curPos, p->numHashBytes - 1, p->hashBuf + p->hashBufPos, (Int32)(limit - curPos) , size, &posRes);
p->hashBufPos += posRes - pos;
cyclicBufferPos += posRes - pos;
p->buffer += posRes - pos;
pos = posRes;
}
#endif
numProcessed += pos - p->pos;
p->hashNumAvail -= pos - p->pos;
p->pos = pos;
if (cyclicBufferPos == p->cyclicBufferSize)
cyclicBufferPos = 0;
p->cyclicBufferPos = cyclicBufferPos;
}
}
distances[0] = curPos;
}
void BtFillBlock(CMatchFinderMt *p, UInt32 globalBlockIndex)
{
CMtSync *sync = &p->hashSync;
if (!sync->needStart)
{
CriticalSection_Enter(&sync->cs);
sync->csWasEntered = True;
}
BtGetMatches(p, p->btBuf + (globalBlockIndex & kMtBtNumBlocksMask) * kMtBtBlockSize);
if (p->pos > kMtMaxValForNormalize - kMtBtBlockSize)
{
UInt32 subValue = p->pos - p->cyclicBufferSize;
MatchFinder_Normalize3(subValue, p->son, p->cyclicBufferSize * 2);
p->pos -= subValue;
}
if (!sync->needStart)
{
CriticalSection_Leave(&sync->cs);
sync->csWasEntered = False;
}
}
void BtThreadFunc(CMatchFinderMt *mt)
{
CMtSync *p = &mt->btSync;
for (;;)
{
UInt32 blockIndex = 0;
Event_Wait(&p->canStart);
Event_Set(&p->wasStarted);
for (;;)
{
if (p->exit)
return;
if (p->stopWriting)
{
p->numProcessedBlocks = blockIndex;
MtSync_StopWriting(&mt->hashSync);
Event_Set(&p->wasStopped);
break;
}
Semaphore_Wait(&p->freeSemaphore);
BtFillBlock(mt, blockIndex++);
Semaphore_Release1(&p->filledSemaphore);
}
}
}
void MatchFinderMt_Construct(CMatchFinderMt *p)
{
p->hashBuf = 0;
MtSync_Construct(&p->hashSync);
MtSync_Construct(&p->btSync);
}
void MatchFinderMt_FreeMem(CMatchFinderMt *p, ISzAlloc *alloc)
{
alloc->Free(alloc, p->hashBuf);
p->hashBuf = 0;
}
void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc)
{
MtSync_Destruct(&p->hashSync);
MtSync_Destruct(&p->btSync);
MatchFinderMt_FreeMem(p, alloc);
}
#define kHashBufferSize (kMtHashBlockSize * kMtHashNumBlocks)
#define kBtBufferSize (kMtBtBlockSize * kMtBtNumBlocks)
static unsigned MY_STD_CALL HashThreadFunc2(void *p) { HashThreadFunc((CMatchFinderMt *)p); return 0; }
static unsigned MY_STD_CALL BtThreadFunc2(void *p)
{
Byte allocaDummy[0x180];
int i = 0;
for (i = 0; i < 16; i++)
allocaDummy[i] = (Byte)i;
BtThreadFunc((CMatchFinderMt *)p);
return 0;
}
SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddBufferBefore,
UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc)
{
CMatchFinder *mf = p->MatchFinder;
p->historySize = historySize;
if (kMtBtBlockSize <= matchMaxLen * 4)
return SZ_ERROR_PARAM;
if (p->hashBuf == 0)
{
p->hashBuf = (UInt32 *)alloc->Alloc(alloc, (kHashBufferSize + kBtBufferSize) * sizeof(UInt32));
if (p->hashBuf == 0)
return SZ_ERROR_MEM;
p->btBuf = p->hashBuf + kHashBufferSize;
}
keepAddBufferBefore += (kHashBufferSize + kBtBufferSize);
keepAddBufferAfter += kMtHashBlockSize;
if (!MatchFinder_Create(mf, historySize, keepAddBufferBefore, matchMaxLen, keepAddBufferAfter, alloc))
return SZ_ERROR_MEM;
RINOK(MtSync_Create(&p->hashSync, HashThreadFunc2, p, kMtHashNumBlocks));
RINOK(MtSync_Create(&p->btSync, BtThreadFunc2, p, kMtBtNumBlocks));
return SZ_OK;
}
/* Call it after ReleaseStream / SetStream */
void MatchFinderMt_Init(CMatchFinderMt *p)
{
CMatchFinder *mf = p->MatchFinder;
p->btBufPos = p->btBufPosLimit = 0;
p->hashBufPos = p->hashBufPosLimit = 0;
MatchFinder_Init(mf);
p->pointerToCurPos = MatchFinder_GetPointerToCurrentPos(mf);
p->btNumAvailBytes = 0;
p->lzPos = p->historySize + 1;
p->hash = mf->hash;
p->fixedHashSize = mf->fixedHashSize;
p->crc = mf->crc;
p->son = mf->son;
p->matchMaxLen = mf->matchMaxLen;
p->numHashBytes = mf->numHashBytes;
p->pos = mf->pos;
p->buffer = mf->buffer;
p->cyclicBufferPos = mf->cyclicBufferPos;
p->cyclicBufferSize = mf->cyclicBufferSize;
p->cutValue = mf->cutValue;
}
/* ReleaseStream is required to finish multithreading */
void MatchFinderMt_ReleaseStream(CMatchFinderMt *p)
{
MtSync_StopWriting(&p->btSync);
/* p->MatchFinder->ReleaseStream(); */
}
void MatchFinderMt_Normalize(CMatchFinderMt *p)
{
MatchFinder_Normalize3(p->lzPos - p->historySize - 1, p->hash, p->fixedHashSize);
p->lzPos = p->historySize + 1;
}
void MatchFinderMt_GetNextBlock_Bt(CMatchFinderMt *p)
{
UInt32 blockIndex;
MtSync_GetNextBlock(&p->btSync);
blockIndex = ((p->btSync.numProcessedBlocks - 1) & kMtBtNumBlocksMask);
p->btBufPosLimit = p->btBufPos = blockIndex * kMtBtBlockSize;
p->btBufPosLimit += p->btBuf[p->btBufPos++];
p->btNumAvailBytes = p->btBuf[p->btBufPos++];
if (p->lzPos >= kMtMaxValForNormalize - kMtBtBlockSize)
MatchFinderMt_Normalize(p);
}
const Byte * MatchFinderMt_GetPointerToCurrentPos(CMatchFinderMt *p)
{
return p->pointerToCurPos;
}
#define GET_NEXT_BLOCK_IF_REQUIRED if (p->btBufPos == p->btBufPosLimit) MatchFinderMt_GetNextBlock_Bt(p);
UInt32 MatchFinderMt_GetNumAvailableBytes(CMatchFinderMt *p)
{
GET_NEXT_BLOCK_IF_REQUIRED;
return p->btNumAvailBytes;
}
Byte MatchFinderMt_GetIndexByte(CMatchFinderMt *p, Int32 index)
{
return p->pointerToCurPos[index];
}
UInt32 * MixMatches2(CMatchFinderMt *p, UInt32 matchMinPos, UInt32 *distances)
{
UInt32 hash2Value, curMatch2;
UInt32 *hash = p->hash;
const Byte *cur = p->pointerToCurPos;
UInt32 lzPos = p->lzPos;
MT_HASH2_CALC
curMatch2 = hash[hash2Value];
hash[hash2Value] = lzPos;
if (curMatch2 >= matchMinPos)
if (cur[(ptrdiff_t)curMatch2 - lzPos] == cur[0])
{
*distances++ = 2;
*distances++ = lzPos - curMatch2 - 1;
}
return distances;
}
UInt32 * MixMatches3(CMatchFinderMt *p, UInt32 matchMinPos, UInt32 *distances)
{
UInt32 hash2Value, hash3Value, curMatch2, curMatch3;
UInt32 *hash = p->hash;
const Byte *cur = p->pointerToCurPos;
UInt32 lzPos = p->lzPos;
MT_HASH3_CALC
curMatch2 = hash[ hash2Value];
curMatch3 = hash[kFix3HashSize + hash3Value];
hash[ hash2Value] =
hash[kFix3HashSize + hash3Value] =
lzPos;
if (curMatch2 >= matchMinPos && cur[(ptrdiff_t)curMatch2 - lzPos] == cur[0])
{
distances[1] = lzPos - curMatch2 - 1;
if (cur[(ptrdiff_t)curMatch2 - lzPos + 2] == cur[2])
{
distances[0] = 3;
return distances + 2;
}
distances[0] = 2;
distances += 2;
}
if (curMatch3 >= matchMinPos && cur[(ptrdiff_t)curMatch3 - lzPos] == cur[0])
{
*distances++ = 3;
*distances++ = lzPos - curMatch3 - 1;
}
return distances;
}
/*
UInt32 *MixMatches4(CMatchFinderMt *p, UInt32 matchMinPos, UInt32 *distances)
{
UInt32 hash2Value, hash3Value, hash4Value, curMatch2, curMatch3, curMatch4;
UInt32 *hash = p->hash;
const Byte *cur = p->pointerToCurPos;
UInt32 lzPos = p->lzPos;
MT_HASH4_CALC
curMatch2 = hash[ hash2Value];
curMatch3 = hash[kFix3HashSize + hash3Value];
curMatch4 = hash[kFix4HashSize + hash4Value];
hash[ hash2Value] =
hash[kFix3HashSize + hash3Value] =
hash[kFix4HashSize + hash4Value] =
lzPos;
if (curMatch2 >= matchMinPos && cur[(ptrdiff_t)curMatch2 - lzPos] == cur[0])
{
distances[1] = lzPos - curMatch2 - 1;
if (cur[(ptrdiff_t)curMatch2 - lzPos + 2] == cur[2])
{
distances[0] = (cur[(ptrdiff_t)curMatch2 - lzPos + 3] == cur[3]) ? 4 : 3;
return distances + 2;
}
distances[0] = 2;
distances += 2;
}
if (curMatch3 >= matchMinPos && cur[(ptrdiff_t)curMatch3 - lzPos] == cur[0])
{
distances[1] = lzPos - curMatch3 - 1;
if (cur[(ptrdiff_t)curMatch3 - lzPos + 3] == cur[3])
{
distances[0] = 4;
return distances + 2;
}
distances[0] = 3;
distances += 2;
}
if (curMatch4 >= matchMinPos)
if (
cur[(ptrdiff_t)curMatch4 - lzPos] == cur[0] &&
cur[(ptrdiff_t)curMatch4 - lzPos + 3] == cur[3]
)
{
*distances++ = 4;
*distances++ = lzPos - curMatch4 - 1;
}
return distances;
}
*/
#define INCREASE_LZ_POS p->lzPos++; p->pointerToCurPos++;
UInt32 MatchFinderMt2_GetMatches(CMatchFinderMt *p, UInt32 *distances)
{
const UInt32 *btBuf = p->btBuf + p->btBufPos;
UInt32 len = *btBuf++;
p->btBufPos += 1 + len;
p->btNumAvailBytes--;
{
UInt32 i;
for (i = 0; i < len; i += 2)
{
*distances++ = *btBuf++;
*distances++ = *btBuf++;
}
}
INCREASE_LZ_POS
return len;
}
UInt32 MatchFinderMt_GetMatches(CMatchFinderMt *p, UInt32 *distances)
{
const UInt32 *btBuf = p->btBuf + p->btBufPos;
UInt32 len = *btBuf++;
p->btBufPos += 1 + len;
if (len == 0)
{
if (p->btNumAvailBytes-- >= 4)
len = (UInt32)(p->MixMatchesFunc(p, p->lzPos - p->historySize, distances) - (distances));
}
else
{
/* Condition: there are matches in btBuf with length < p->numHashBytes */
UInt32 *distances2;
p->btNumAvailBytes--;
distances2 = p->MixMatchesFunc(p, p->lzPos - btBuf[1], distances);
do
{
*distances2++ = *btBuf++;
*distances2++ = *btBuf++;
}
while ((len -= 2) != 0);
len = (UInt32)(distances2 - (distances));
}
INCREASE_LZ_POS
return len;
}
#define SKIP_HEADER2_MT do { GET_NEXT_BLOCK_IF_REQUIRED
#define SKIP_HEADER_MT(n) SKIP_HEADER2_MT if (p->btNumAvailBytes-- >= (n)) { const Byte *cur = p->pointerToCurPos; UInt32 *hash = p->hash;
#define SKIP_FOOTER_MT } INCREASE_LZ_POS p->btBufPos += p->btBuf[p->btBufPos] + 1; } while (--num != 0);
void MatchFinderMt0_Skip(CMatchFinderMt *p, UInt32 num)
{
SKIP_HEADER2_MT { p->btNumAvailBytes--;
SKIP_FOOTER_MT
}
void MatchFinderMt2_Skip(CMatchFinderMt *p, UInt32 num)
{
SKIP_HEADER_MT(2)
UInt32 hash2Value;
MT_HASH2_CALC
hash[hash2Value] = p->lzPos;
SKIP_FOOTER_MT
}
void MatchFinderMt3_Skip(CMatchFinderMt *p, UInt32 num)
{
SKIP_HEADER_MT(3)
UInt32 hash2Value, hash3Value;
MT_HASH3_CALC
hash[kFix3HashSize + hash3Value] =
hash[ hash2Value] =
p->lzPos;
SKIP_FOOTER_MT
}
/*
void MatchFinderMt4_Skip(CMatchFinderMt *p, UInt32 num)
{
SKIP_HEADER_MT(4)
UInt32 hash2Value, hash3Value, hash4Value;
MT_HASH4_CALC
hash[kFix4HashSize + hash4Value] =
hash[kFix3HashSize + hash3Value] =
hash[ hash2Value] =
p->lzPos;
SKIP_FOOTER_MT
}
*/
void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable)
{
vTable->Init = (Mf_Init_Func)MatchFinderMt_Init;
vTable->GetIndexByte = (Mf_GetIndexByte_Func)MatchFinderMt_GetIndexByte;
vTable->GetNumAvailableBytes = (Mf_GetNumAvailableBytes_Func)MatchFinderMt_GetNumAvailableBytes;
vTable->GetPointerToCurrentPos = (Mf_GetPointerToCurrentPos_Func)MatchFinderMt_GetPointerToCurrentPos;
vTable->GetMatches = (Mf_GetMatches_Func)MatchFinderMt_GetMatches;
switch(p->MatchFinder->numHashBytes)
{
case 2:
p->GetHeadsFunc = GetHeads2;
p->MixMatchesFunc = (Mf_Mix_Matches)0;
vTable->Skip = (Mf_Skip_Func)MatchFinderMt0_Skip;
vTable->GetMatches = (Mf_GetMatches_Func)MatchFinderMt2_GetMatches;
break;
case 3:
p->GetHeadsFunc = GetHeads3;
p->MixMatchesFunc = (Mf_Mix_Matches)MixMatches2;
vTable->Skip = (Mf_Skip_Func)MatchFinderMt2_Skip;
break;
default:
/* case 4: */
p->GetHeadsFunc = p->MatchFinder->bigHash ? GetHeads4b : GetHeads4;
/* p->GetHeadsFunc = GetHeads4; */
p->MixMatchesFunc = (Mf_Mix_Matches)MixMatches3;
vTable->Skip = (Mf_Skip_Func)MatchFinderMt3_Skip;
break;
/*
default:
p->GetHeadsFunc = GetHeads5;
p->MixMatchesFunc = (Mf_Mix_Matches)MixMatches4;
vTable->Skip = (Mf_Skip_Func)MatchFinderMt4_Skip;
break;
*/
}
}

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vendor/stormlib-9/src/lzma/C/LzFindMt.h vendored Normal file
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/* LzFindMt.h -- multithreaded Match finder for LZ algorithms
2009-02-07 : Igor Pavlov : Public domain */
#ifndef __LZ_FIND_MT_H
#define __LZ_FIND_MT_H
#include "LzFind.h"
#include "Threads.h"
#ifdef __cplusplus
extern "C" {
#endif
#define kMtHashBlockSize (1 << 13)
#define kMtHashNumBlocks (1 << 3)
#define kMtHashNumBlocksMask (kMtHashNumBlocks - 1)
#define kMtBtBlockSize (1 << 14)
#define kMtBtNumBlocks (1 << 6)
#define kMtBtNumBlocksMask (kMtBtNumBlocks - 1)
typedef struct _CMtSync
{
Bool wasCreated;
Bool needStart;
Bool exit;
Bool stopWriting;
CThread thread;
CAutoResetEvent canStart;
CAutoResetEvent wasStarted;
CAutoResetEvent wasStopped;
CSemaphore freeSemaphore;
CSemaphore filledSemaphore;
Bool csWasInitialized;
Bool csWasEntered;
CCriticalSection cs;
UInt32 numProcessedBlocks;
} CMtSync;
typedef UInt32 * (*Mf_Mix_Matches)(void *p, UInt32 matchMinPos, UInt32 *distances);
/* kMtCacheLineDummy must be >= size_of_CPU_cache_line */
#define kMtCacheLineDummy 128
typedef void (*Mf_GetHeads)(const Byte *buffer, UInt32 pos,
UInt32 *hash, UInt32 hashMask, UInt32 *heads, UInt32 numHeads, const UInt32 *crc);
typedef struct _CMatchFinderMt
{
/* LZ */
const Byte *pointerToCurPos;
UInt32 *btBuf;
UInt32 btBufPos;
UInt32 btBufPosLimit;
UInt32 lzPos;
UInt32 btNumAvailBytes;
UInt32 *hash;
UInt32 fixedHashSize;
UInt32 historySize;
const UInt32 *crc;
Mf_Mix_Matches MixMatchesFunc;
/* LZ + BT */
CMtSync btSync;
Byte btDummy[kMtCacheLineDummy];
/* BT */
UInt32 *hashBuf;
UInt32 hashBufPos;
UInt32 hashBufPosLimit;
UInt32 hashNumAvail;
CLzRef *son;
UInt32 matchMaxLen;
UInt32 numHashBytes;
UInt32 pos;
Byte *buffer;
UInt32 cyclicBufferPos;
UInt32 cyclicBufferSize; /* it must be historySize + 1 */
UInt32 cutValue;
/* BT + Hash */
CMtSync hashSync;
/* Byte hashDummy[kMtCacheLineDummy]; */
/* Hash */
Mf_GetHeads GetHeadsFunc;
CMatchFinder *MatchFinder;
} CMatchFinderMt;
void MatchFinderMt_Construct(CMatchFinderMt *p);
void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc);
SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddBufferBefore,
UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc);
void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable);
void MatchFinderMt_ReleaseStream(CMatchFinderMt *p);
#ifdef __cplusplus
}
#endif
#endif

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vendor/stormlib-9/src/lzma/C/LzHash.h vendored Normal file
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/* LzHash.h -- HASH functions for LZ algorithms
2009-02-07 : Igor Pavlov : Public domain */
#ifndef __LZ_HASH_H
#define __LZ_HASH_H
#define kHash2Size (1 << 10)
#define kHash3Size (1 << 16)
#define kHash4Size (1 << 20)
#define kFix3HashSize (kHash2Size)
#define kFix4HashSize (kHash2Size + kHash3Size)
#define kFix5HashSize (kHash2Size + kHash3Size + kHash4Size)
#define HASH2_CALC hashValue = cur[0] | ((UInt32)cur[1] << 8);
#define HASH3_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
hash2Value = temp & (kHash2Size - 1); \
hashValue = (temp ^ ((UInt32)cur[2] << 8)) & p->hashMask; }
#define HASH4_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
hash2Value = temp & (kHash2Size - 1); \
hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
hashValue = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & p->hashMask; }
#define HASH5_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
hash2Value = temp & (kHash2Size - 1); \
hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)); \
hashValue = (hash4Value ^ (p->crc[cur[4]] << 3)) & p->hashMask; \
hash4Value &= (kHash4Size - 1); }
/* #define HASH_ZIP_CALC hashValue = ((cur[0] | ((UInt32)cur[1] << 8)) ^ p->crc[cur[2]]) & 0xFFFF; */
#define HASH_ZIP_CALC hashValue = ((cur[2] | ((UInt32)cur[0] << 8)) ^ p->crc[cur[1]]) & 0xFFFF;
#define MT_HASH2_CALC \
hash2Value = (p->crc[cur[0]] ^ cur[1]) & (kHash2Size - 1);
#define MT_HASH3_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
hash2Value = temp & (kHash2Size - 1); \
hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); }
#define MT_HASH4_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
hash2Value = temp & (kHash2Size - 1); \
hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & (kHash4Size - 1); }
#endif

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vendor/stormlib-9/src/lzma/C/LzmaDec.c vendored Normal file
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/* LzmaDec.c -- LZMA Decoder
2009-09-20 : Igor Pavlov : 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;
}

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vendor/stormlib-9/src/lzma/C/LzmaDec.h vendored Normal file
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/* LzmaDec.h -- LZMA Decoder
2009-02-07 : Igor Pavlov : Public domain */
#ifndef __LZMA_DEC_H
#define __LZMA_DEC_H
#include "Types.h"
#ifdef __cplusplus
extern "C" {
#endif
/* #define _LZMA_PROB32 */
/* _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
#else
#define CLzmaProb UInt16
#endif
/* ---------- LZMA Properties ---------- */
#define LZMA_PROPS_SIZE 5
typedef struct _CLzmaProps
{
unsigned lc, lp, pb;
UInt32 dicSize;
} CLzmaProps;
/* LzmaProps_Decode - decodes properties
Returns:
SZ_OK
SZ_ERROR_UNSUPPORTED - Unsupported properties
*/
SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size);
/* ---------- LZMA Decoder state ---------- */
/* LZMA_REQUIRED_INPUT_MAX = number of required input bytes for worst case.
Num bits = log2((2^11 / 31) ^ 22) + 26 < 134 + 26 = 160; */
#define LZMA_REQUIRED_INPUT_MAX 20
typedef struct
{
CLzmaProps prop;
CLzmaProb *probs;
Byte *dic;
const Byte *buf;
UInt32 range, code;
SizeT dicPos;
SizeT dicBufSize;
UInt32 processedPos;
UInt32 checkDicSize;
unsigned state;
UInt32 reps[4];
unsigned remainLen;
int needFlush;
int needInitState;
UInt32 numProbs;
unsigned tempBufSize;
Byte tempBuf[LZMA_REQUIRED_INPUT_MAX];
} CLzmaDec;
#define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; }
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. */
typedef enum
{
LZMA_FINISH_ANY, /* finish at any point */
LZMA_FINISH_END /* block must be finished at the end */
} ELzmaFinishMode;
/* ELzmaFinishMode has meaning only if the decoding reaches output limit !!!
You must use LZMA_FINISH_END, when you know that current output buffer
covers last bytes of block. In other cases you must use LZMA_FINISH_ANY.
If LZMA decoder sees end marker before reaching output limit, it returns SZ_OK,
and output value of destLen will be less than output buffer size limit.
You can check status result also.
You can use multiple checks to test data integrity after full decompression:
1) Check Result and "status" variable.
2) Check that output(destLen) = uncompressedSize, if you know real uncompressedSize.
3) Check that output(srcLen) = compressedSize, if you know real compressedSize.
You must use correct finish mode in that case. */
typedef enum
{
LZMA_STATUS_NOT_SPECIFIED, /* use main error code instead */
LZMA_STATUS_FINISHED_WITH_MARK, /* stream was finished with end mark. */
LZMA_STATUS_NOT_FINISHED, /* stream was not finished */
LZMA_STATUS_NEEDS_MORE_INPUT, /* you must provide more input bytes */
LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK /* there is probability that stream was finished without end mark */
} ELzmaStatus;
/* ELzmaStatus is used only as output value for function call */
/* ---------- Interfaces ---------- */
/* There are 3 levels of interfaces:
1) Dictionary Interface
2) Buffer Interface
3) One Call Interface
You can select any of these interfaces, but don't mix functions from different
groups for same object. */
/* There are two variants to allocate state for Dictionary Interface:
1) LzmaDec_Allocate / LzmaDec_Free
2) LzmaDec_AllocateProbs / LzmaDec_FreeProbs
You can use variant 2, if you set dictionary buffer manually.
For Buffer Interface you must always use variant 1.
LzmaDec_Allocate* can return:
SZ_OK
SZ_ERROR_MEM - Memory allocation error
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_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc);
void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc);
/* ---------- Dictionary Interface ---------- */
/* You can use it, if you want to eliminate the overhead for data copying from
dictionary to some other external buffer.
You must work with CLzmaDec variables directly in this interface.
STEPS:
LzmaDec_Constr()
LzmaDec_Allocate()
for (each new stream)
{
LzmaDec_Init()
while (it needs more decompression)
{
LzmaDec_DecodeToDic()
use data from CLzmaDec::dic and update CLzmaDec::dicPos
}
}
LzmaDec_Free()
*/
/* LzmaDec_DecodeToDic
The decoding to internal dictionary buffer (CLzmaDec::dic).
You must manually update CLzmaDec::dicPos, if it reaches CLzmaDec::dicBufSize !!!
finishMode:
It has meaning only if the decoding reaches output limit (dicLimit).
LZMA_FINISH_ANY - Decode just dicLimit bytes.
LZMA_FINISH_END - Stream must be finished after dicLimit.
Returns:
SZ_OK
status:
LZMA_STATUS_FINISHED_WITH_MARK
LZMA_STATUS_NOT_FINISHED
LZMA_STATUS_NEEDS_MORE_INPUT
LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK
SZ_ERROR_DATA - Data error
*/
SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit,
const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
/* ---------- Buffer Interface ---------- */
/* It's zlib-like interface.
See LzmaDec_DecodeToDic description for information about STEPS and return results,
but you must use LzmaDec_DecodeToBuf instead of LzmaDec_DecodeToDic and you don't need
to work with CLzmaDec variables manually.
finishMode:
It has meaning only if the decoding reaches output limit (*destLen).
LZMA_FINISH_ANY - Decode just destLen bytes.
LZMA_FINISH_END - Stream must be finished after (*destLen).
*/
SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen,
const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
/* ---------- One Call Interface ---------- */
/* LzmaDecode
finishMode:
It has meaning only if the decoding reaches output limit (*destLen).
LZMA_FINISH_ANY - Decode just destLen bytes.
LZMA_FINISH_END - Stream must be finished after (*destLen).
Returns:
SZ_OK
status:
LZMA_STATUS_FINISHED_WITH_MARK
LZMA_STATUS_NOT_FINISHED
LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK
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 LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode,
ELzmaStatus *status, ISzAlloc *alloc);
#ifdef __cplusplus
}
#endif
#endif

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/* LzmaEnc.h -- LZMA Encoder
2009-02-07 : Igor Pavlov : Public domain */
#ifndef __LZMA_ENC_H
#define __LZMA_ENC_H
#include "Types.h"
#ifdef __cplusplus
extern "C" {
#endif
#define LZMA_PROPS_SIZE 5
typedef struct _CLzmaEncProps
{
int level; /* 0 <= level <= 9 */
UInt32 dictSize; /* (1 << 12) <= dictSize <= (1 << 27) for 32-bit version
(1 << 12) <= dictSize <= (1 << 30) for 64-bit version
default = (1 << 24) */
int lc; /* 0 <= lc <= 8, default = 3 */
int lp; /* 0 <= lp <= 4, default = 0 */
int pb; /* 0 <= pb <= 4, default = 2 */
int algo; /* 0 - fast, 1 - normal, default = 1 */
int fb; /* 5 <= fb <= 273, default = 32 */
int btMode; /* 0 - hashChain Mode, 1 - binTree mode - normal, default = 1 */
int numHashBytes; /* 2, 3 or 4, default = 4 */
UInt32 mc; /* 1 <= mc <= (1 << 30), default = 32 */
unsigned writeEndMark; /* 0 - do not write EOPM, 1 - write EOPM, default = 0 */
int numThreads; /* 1 or 2, default = 2 */
} CLzmaEncProps;
void LzmaEncProps_Init(CLzmaEncProps *p);
void LzmaEncProps_Normalize(CLzmaEncProps *p);
UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2);
/* ---------- CLzmaEncHandle Interface ---------- */
/* LzmaEnc_* functions can return the following exit codes:
Returns:
SZ_OK - OK
SZ_ERROR_MEM - Memory allocation error
SZ_ERROR_PARAM - Incorrect paramater in props
SZ_ERROR_WRITE - Write callback error.
SZ_ERROR_PROGRESS - some break from progress callback
SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
*/
typedef void * CLzmaEncHandle;
CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc);
void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig);
SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props);
SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size);
SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream,
ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
/* ---------- One Call Interface ---------- */
/* LzmaEncode
Return code:
SZ_OK - OK
SZ_ERROR_MEM - Memory allocation error
SZ_ERROR_PARAM - Incorrect paramater
SZ_ERROR_OUTPUT_EOF - output buffer overflow
SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
*/
SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark,
ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
#ifdef __cplusplus
}
#endif
#endif

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/* Threads.c -- multithreading library
2009-09-20 : Igor Pavlov : Public domain */
#ifndef _WIN32_WCE
#include <process.h>
#endif
#include "Threads.h"
static WRes GetError()
{
DWORD res = GetLastError();
return (res) ? (WRes)(res) : 1;
}
WRes HandleToWRes(HANDLE h) { return (h != 0) ? 0 : GetError(); }
WRes BOOLToWRes(BOOL v) { return v ? 0 : GetError(); }
WRes HandlePtr_Close(HANDLE *p)
{
if (*p != NULL)
if (!CloseHandle(*p))
return GetError();
*p = NULL;
return 0;
}
WRes Handle_WaitObject(HANDLE h) { return (WRes)WaitForSingleObject(h, INFINITE); }
WRes Thread_Create(CThread *p, THREAD_FUNC_TYPE func, LPVOID param)
{
unsigned threadId; /* Windows Me/98/95: threadId parameter may not be NULL in _beginthreadex/CreateThread functions */
*p =
#ifdef UNDER_CE
CreateThread(0, 0, func, param, 0, &threadId);
#else
(HANDLE)_beginthreadex(NULL, 0, func, param, 0, &threadId);
#endif
/* maybe we must use errno here, but probably GetLastError() is also OK. */
return HandleToWRes(*p);
}
WRes Event_Create(CEvent *p, BOOL manualReset, int signaled)
{
*p = CreateEvent(NULL, manualReset, (signaled ? TRUE : FALSE), NULL);
return HandleToWRes(*p);
}
WRes Event_Set(CEvent *p) { return BOOLToWRes(SetEvent(*p)); }
WRes Event_Reset(CEvent *p) { return BOOLToWRes(ResetEvent(*p)); }
WRes ManualResetEvent_Create(CManualResetEvent *p, int signaled) { return Event_Create(p, TRUE, signaled); }
WRes AutoResetEvent_Create(CAutoResetEvent *p, int signaled) { return Event_Create(p, FALSE, signaled); }
WRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *p) { return ManualResetEvent_Create(p, 0); }
WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p) { return AutoResetEvent_Create(p, 0); }
WRes Semaphore_Create(CSemaphore *p, UInt32 initCount, UInt32 maxCount)
{
*p = CreateSemaphore(NULL, (LONG)initCount, (LONG)maxCount, NULL);
return HandleToWRes(*p);
}
static WRes Semaphore_Release(CSemaphore *p, LONG releaseCount, LONG *previousCount)
{ return BOOLToWRes(ReleaseSemaphore(*p, releaseCount, previousCount)); }
WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num)
{ return Semaphore_Release(p, (LONG)num, NULL); }
WRes Semaphore_Release1(CSemaphore *p) { return Semaphore_ReleaseN(p, 1); }
WRes CriticalSection_Init(CCriticalSection *p)
{
/* InitializeCriticalSection can raise only STATUS_NO_MEMORY exception */
#ifdef _MSC_VER
__try
#endif
{
InitializeCriticalSection(p);
/* InitializeCriticalSectionAndSpinCount(p, 0); */
}
#ifdef _MSC_VER
__except (EXCEPTION_EXECUTE_HANDLER) { return 1; }
#endif
return 0;
}

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/* Threads.h -- multithreading library
2009-03-27 : Igor Pavlov : Public domain */
#ifndef __7Z_THREADS_H
#define __7Z_THREADS_H
#include "Types.h"
#ifdef __cplusplus
extern "C" {
#endif
WRes HandlePtr_Close(HANDLE *h);
WRes Handle_WaitObject(HANDLE h);
typedef HANDLE CThread;
#define Thread_Construct(p) *(p) = NULL
#define Thread_WasCreated(p) (*(p) != NULL)
#define Thread_Close(p) HandlePtr_Close(p)
#define Thread_Wait(p) Handle_WaitObject(*(p))
typedef unsigned THREAD_FUNC_RET_TYPE;
#define THREAD_FUNC_CALL_TYPE MY_STD_CALL
#define THREAD_FUNC_DECL THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE
typedef THREAD_FUNC_RET_TYPE (THREAD_FUNC_CALL_TYPE * THREAD_FUNC_TYPE)(void *);
WRes Thread_Create(CThread *p, THREAD_FUNC_TYPE func, LPVOID param);
typedef HANDLE CEvent;
typedef CEvent CAutoResetEvent;
typedef CEvent CManualResetEvent;
#define Event_Construct(p) *(p) = NULL
#define Event_IsCreated(p) (*(p) != NULL)
#define Event_Close(p) HandlePtr_Close(p)
#define Event_Wait(p) Handle_WaitObject(*(p))
WRes Event_Set(CEvent *p);
WRes Event_Reset(CEvent *p);
WRes ManualResetEvent_Create(CManualResetEvent *p, int signaled);
WRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *p);
WRes AutoResetEvent_Create(CAutoResetEvent *p, int signaled);
WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p);
typedef HANDLE CSemaphore;
#define Semaphore_Construct(p) (*p) = NULL
#define Semaphore_Close(p) HandlePtr_Close(p)
#define Semaphore_Wait(p) Handle_WaitObject(*(p))
WRes Semaphore_Create(CSemaphore *p, UInt32 initCount, UInt32 maxCount);
WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num);
WRes Semaphore_Release1(CSemaphore *p);
typedef CRITICAL_SECTION CCriticalSection;
WRes CriticalSection_Init(CCriticalSection *p);
#define CriticalSection_Delete(p) DeleteCriticalSection(p)
#define CriticalSection_Enter(p) EnterCriticalSection(p)
#define CriticalSection_Leave(p) LeaveCriticalSection(p)
#ifdef __cplusplus
}
#endif
#endif

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/* Types.h -- Basic types
2010-03-11 : Igor Pavlov : Public domain */
#ifndef __7Z_TYPES_H
#define __7Z_TYPES_H
#include <stddef.h>
#ifdef _WIN32
#include <windows.h>
#endif
#ifndef EXTERN_C_BEGIN
#ifdef __cplusplus
#define EXTERN_C_BEGIN extern "C" {
#define EXTERN_C_END }
#else
#define EXTERN_C_BEGIN
#define EXTERN_C_END
#endif
#endif
EXTERN_C_BEGIN
#define SZ_OK 0
#define SZ_ERROR_DATA 1
#define SZ_ERROR_MEM 2
#define SZ_ERROR_CRC 3
#define SZ_ERROR_UNSUPPORTED 4
#define SZ_ERROR_PARAM 5
#define SZ_ERROR_INPUT_EOF 6
#define SZ_ERROR_OUTPUT_EOF 7
#define SZ_ERROR_READ 8
#define SZ_ERROR_WRITE 9
#define SZ_ERROR_PROGRESS 10
#define SZ_ERROR_FAIL 11
#define SZ_ERROR_THREAD 12
#define SZ_ERROR_ARCHIVE 16
#define SZ_ERROR_NO_ARCHIVE 17
typedef int SRes;
#ifdef _WIN32
typedef DWORD WRes;
#else
typedef int WRes;
#endif
#ifndef RINOK
#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
#endif
typedef unsigned char Byte;
typedef short Int16;
typedef unsigned short UInt16;
#ifdef _LZMA_UINT32_IS_ULONG
typedef long Int32;
typedef unsigned long UInt32;
#else
typedef int Int32;
typedef unsigned int UInt32;
#endif
#ifdef _SZ_NO_INT_64
/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers.
NOTES: Some code will work incorrectly in that case! */
typedef long Int64;
typedef unsigned long UInt64;
#else
#if defined(_MSC_VER) || defined(__BORLANDC__)
typedef __int64 Int64;
typedef unsigned __int64 UInt64;
#else
typedef long long int Int64;
typedef unsigned long long int UInt64;
#endif
#endif
#ifdef _LZMA_NO_SYSTEM_SIZE_T
typedef UInt32 SizeT;
#else
typedef size_t SizeT;
#endif
typedef int Bool;
#define True 1
#define False 0
#ifdef _WIN32
#define MY_STD_CALL __stdcall
#else
#define MY_STD_CALL
#endif
#ifdef _MSC_VER
#if _MSC_VER >= 1300
#define MY_NO_INLINE __declspec(noinline)
#else
#define MY_NO_INLINE
#endif
#define MY_CDECL __cdecl
#define MY_FAST_CALL __fastcall
#else
#define MY_CDECL
#define MY_FAST_CALL
#endif
/* The following interfaces use first parameter as pointer to structure */
typedef struct
{
Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */
} IByteIn;
typedef struct
{
void (*Write)(void *p, Byte b);
} IByteOut;
typedef struct
{
SRes (*Read)(void *p, void *buf, size_t *size);
/* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
(output(*size) < input(*size)) is allowed */
} ISeqInStream;
/* it can return SZ_ERROR_INPUT_EOF */
SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size);
SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType);
SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf);
typedef struct
{
size_t (*Write)(void *p, const void *buf, size_t size);
/* Returns: result - the number of actually written bytes.
(result < size) means error */
} ISeqOutStream;
typedef enum
{
SZ_SEEK_SET = 0,
SZ_SEEK_CUR = 1,
SZ_SEEK_END = 2
} ESzSeek;
typedef struct
{
SRes (*Read)(void *p, void *buf, size_t *size); /* same as ISeqInStream::Read */
SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
} ISeekInStream;
typedef struct
{
SRes (*Look)(void *p, const void **buf, size_t *size);
/* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
(output(*size) > input(*size)) is not allowed
(output(*size) < input(*size)) is allowed */
SRes (*Skip)(void *p, size_t offset);
/* offset must be <= output(*size) of Look */
SRes (*Read)(void *p, void *buf, size_t *size);
/* reads directly (without buffer). It's same as ISeqInStream::Read */
SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
} ILookInStream;
SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);
SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);
/* reads via ILookInStream::Read */
SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType);
SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size);
#define LookToRead_BUF_SIZE (1 << 14)
typedef struct
{
ILookInStream s;
ISeekInStream *realStream;
size_t pos;
size_t size;
Byte buf[LookToRead_BUF_SIZE];
} CLookToRead;
void LookToRead_CreateVTable(CLookToRead *p, int lookahead);
void LookToRead_Init(CLookToRead *p);
typedef struct
{
ISeqInStream s;
ILookInStream *realStream;
} CSecToLook;
void SecToLook_CreateVTable(CSecToLook *p);
typedef struct
{
ISeqInStream s;
ILookInStream *realStream;
} CSecToRead;
void SecToRead_CreateVTable(CSecToRead *p);
typedef struct
{
SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize);
/* Returns: result. (result != SZ_OK) means break.
Value (UInt64)(Int64)-1 for size means unknown value. */
} ICompressProgress;
typedef struct
{
void *(*Alloc)(void *p, size_t size);
void (*Free)(void *p, void *address); /* address can be 0 */
} ISzAlloc;
#define IAlloc_Alloc(p, size) (p)->Alloc((p), size)
#define IAlloc_Free(p, a) (p)->Free((p), a)
EXTERN_C_END
#endif

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vendor/stormlib-9/src/lzma/info.txt vendored Normal file
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Taken from LZMA SDK v 9.11