Update LZMA SDK to version 17.01

This commit is contained in:
Jan Engelhardt 2018-01-08 13:00:01 +01:00 committed by Christoph Oelckers
parent ded0c7805d
commit 3f45f938d6
35 changed files with 1239 additions and 826 deletions

View file

@ -1,5 +1,5 @@
/* 7z.h -- 7z interface
2015-11-18 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#ifndef __7Z_H
#define __7Z_H
@ -98,7 +98,7 @@ UInt64 SzAr_GetFolderUnpackSize(const CSzAr *p, UInt32 folderIndex);
SRes SzAr_DecodeFolder(const CSzAr *p, UInt32 folderIndex,
ILookInStream *stream, UInt64 startPos,
Byte *outBuffer, size_t outSize,
ISzAlloc *allocMain);
ISzAllocPtr allocMain);
typedef struct
{
@ -131,7 +131,7 @@ typedef struct
#define SzArEx_GetFileSize(p, i) ((p)->UnpackPositions[(i) + 1] - (p)->UnpackPositions[i])
void SzArEx_Init(CSzArEx *p);
void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc);
void SzArEx_Free(CSzArEx *p, ISzAllocPtr alloc);
UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder);
int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize);
@ -179,8 +179,8 @@ SRes SzArEx_Extract(
size_t *outBufferSize, /* buffer size for output buffer */
size_t *offset, /* offset of stream for required file in *outBuffer */
size_t *outSizeProcessed, /* size of file in *outBuffer */
ISzAlloc *allocMain,
ISzAlloc *allocTemp);
ISzAllocPtr allocMain,
ISzAllocPtr allocTemp);
/*
@ -195,7 +195,7 @@ SZ_ERROR_FAIL
*/
SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream,
ISzAlloc *allocMain, ISzAlloc *allocTemp);
ISzAllocPtr allocMain, ISzAllocPtr allocTemp);
EXTERN_C_END

View file

@ -1,5 +1,5 @@
/* 7zArcIn.c -- 7z Input functions
2015-11-18 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -11,7 +11,7 @@
#include "CpuArch.h"
#define MY_ALLOC(T, p, size, alloc) { \
if ((p = (T *)IAlloc_Alloc(alloc, (size) * sizeof(T))) == NULL) return SZ_ERROR_MEM; }
if ((p = (T *)ISzAlloc_Alloc(alloc, (size) * sizeof(T))) == NULL) return SZ_ERROR_MEM; }
#define MY_ALLOC_ZE(T, p, size, alloc) { if ((size) == 0) p = NULL; else MY_ALLOC(T, p, size, alloc) }
@ -60,7 +60,7 @@ const Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C};
#define SzBitUi32s_Init(p) { (p)->Defs = NULL; (p)->Vals = NULL; }
static SRes SzBitUi32s_Alloc(CSzBitUi32s *p, size_t num, ISzAlloc *alloc)
static SRes SzBitUi32s_Alloc(CSzBitUi32s *p, size_t num, ISzAllocPtr alloc)
{
if (num == 0)
{
@ -75,18 +75,18 @@ static SRes SzBitUi32s_Alloc(CSzBitUi32s *p, size_t num, ISzAlloc *alloc)
return SZ_OK;
}
void SzBitUi32s_Free(CSzBitUi32s *p, ISzAlloc *alloc)
void SzBitUi32s_Free(CSzBitUi32s *p, ISzAllocPtr alloc)
{
IAlloc_Free(alloc, p->Defs); p->Defs = NULL;
IAlloc_Free(alloc, p->Vals); p->Vals = NULL;
ISzAlloc_Free(alloc, p->Defs); p->Defs = NULL;
ISzAlloc_Free(alloc, p->Vals); p->Vals = NULL;
}
#define SzBitUi64s_Init(p) { (p)->Defs = NULL; (p)->Vals = NULL; }
void SzBitUi64s_Free(CSzBitUi64s *p, ISzAlloc *alloc)
void SzBitUi64s_Free(CSzBitUi64s *p, ISzAllocPtr alloc)
{
IAlloc_Free(alloc, p->Defs); p->Defs = NULL;
IAlloc_Free(alloc, p->Vals); p->Vals = NULL;
ISzAlloc_Free(alloc, p->Defs); p->Defs = NULL;
ISzAlloc_Free(alloc, p->Vals); p->Vals = NULL;
}
@ -107,18 +107,18 @@ static void SzAr_Init(CSzAr *p)
p->CodersData = NULL;
}
static void SzAr_Free(CSzAr *p, ISzAlloc *alloc)
static void SzAr_Free(CSzAr *p, ISzAllocPtr alloc)
{
IAlloc_Free(alloc, p->PackPositions);
ISzAlloc_Free(alloc, p->PackPositions);
SzBitUi32s_Free(&p->FolderCRCs, alloc);
IAlloc_Free(alloc, p->FoCodersOffsets);
IAlloc_Free(alloc, p->FoStartPackStreamIndex);
IAlloc_Free(alloc, p->FoToCoderUnpackSizes);
IAlloc_Free(alloc, p->FoToMainUnpackSizeIndex);
IAlloc_Free(alloc, p->CoderUnpackSizes);
ISzAlloc_Free(alloc, p->FoCodersOffsets);
ISzAlloc_Free(alloc, p->FoStartPackStreamIndex);
ISzAlloc_Free(alloc, p->FoToCoderUnpackSizes);
ISzAlloc_Free(alloc, p->FoToMainUnpackSizeIndex);
ISzAlloc_Free(alloc, p->CoderUnpackSizes);
IAlloc_Free(alloc, p->CodersData);
ISzAlloc_Free(alloc, p->CodersData);
SzAr_Init(p);
}
@ -147,16 +147,16 @@ void SzArEx_Init(CSzArEx *p)
SzBitUi64s_Init(&p->CTime);
}
void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc)
void SzArEx_Free(CSzArEx *p, ISzAllocPtr alloc)
{
IAlloc_Free(alloc, p->UnpackPositions);
IAlloc_Free(alloc, p->IsDirs);
ISzAlloc_Free(alloc, p->UnpackPositions);
ISzAlloc_Free(alloc, p->IsDirs);
IAlloc_Free(alloc, p->FolderToFile);
IAlloc_Free(alloc, p->FileToFolder);
ISzAlloc_Free(alloc, p->FolderToFile);
ISzAlloc_Free(alloc, p->FileToFolder);
IAlloc_Free(alloc, p->FileNameOffsets);
IAlloc_Free(alloc, p->FileNames);
ISzAlloc_Free(alloc, p->FileNameOffsets);
ISzAlloc_Free(alloc, p->FileNames);
SzBitUi32s_Free(&p->CRCs, alloc);
SzBitUi32s_Free(&p->Attribs, alloc);
@ -305,7 +305,7 @@ static UInt32 CountDefinedBits(const Byte *bits, UInt32 numItems)
return sum;
}
static MY_NO_INLINE SRes ReadBitVector(CSzData *sd, UInt32 numItems, Byte **v, ISzAlloc *alloc)
static MY_NO_INLINE SRes ReadBitVector(CSzData *sd, UInt32 numItems, Byte **v, ISzAllocPtr alloc)
{
Byte allAreDefined;
Byte *v2;
@ -328,12 +328,12 @@ static MY_NO_INLINE SRes ReadBitVector(CSzData *sd, UInt32 numItems, Byte **v, I
{
unsigned numBits = (unsigned)numItems & 7;
if (numBits != 0)
v2[numBytes - 1] = (Byte)((((UInt32)1 << numBits) - 1) << (8 - numBits));
v2[(size_t)numBytes - 1] = (Byte)((((UInt32)1 << numBits) - 1) << (8 - numBits));
}
return SZ_OK;
}
static MY_NO_INLINE SRes ReadUi32s(CSzData *sd2, UInt32 numItems, CSzBitUi32s *crcs, ISzAlloc *alloc)
static MY_NO_INLINE SRes ReadUi32s(CSzData *sd2, UInt32 numItems, CSzBitUi32s *crcs, ISzAllocPtr alloc)
{
UInt32 i;
CSzData sd;
@ -354,7 +354,7 @@ static MY_NO_INLINE SRes ReadUi32s(CSzData *sd2, UInt32 numItems, CSzBitUi32s *c
return SZ_OK;
}
static SRes ReadBitUi32s(CSzData *sd, UInt32 numItems, CSzBitUi32s *crcs, ISzAlloc *alloc)
static SRes ReadBitUi32s(CSzData *sd, UInt32 numItems, CSzBitUi32s *crcs, ISzAllocPtr alloc)
{
SzBitUi32s_Free(crcs, alloc);
RINOK(ReadBitVector(sd, numItems, &crcs->Defs, alloc));
@ -380,7 +380,7 @@ static SRes SkipBitUi32s(CSzData *sd, UInt32 numItems)
return SZ_OK;
}
static SRes ReadPackInfo(CSzAr *p, CSzData *sd, ISzAlloc *alloc)
static SRes ReadPackInfo(CSzAr *p, CSzData *sd, ISzAllocPtr alloc)
{
RINOK(SzReadNumber32(sd, &p->NumPackStreams));
@ -635,7 +635,7 @@ static SRes ReadUnpackInfo(CSzAr *p,
CSzData *sd2,
UInt32 numFoldersMax,
const CBuf *tempBufs, UInt32 numTempBufs,
ISzAlloc *alloc)
ISzAllocPtr alloc)
{
CSzData sd;
@ -788,13 +788,9 @@ static SRes ReadUnpackInfo(CSzAr *p,
numCodersOutStreams += numCoders;
if (numCodersOutStreams < numCoders)
return SZ_ERROR_UNSUPPORTED;
packStreamIndex += numPackStreams;
if (packStreamIndex < numPackStreams)
return SZ_ERROR_UNSUPPORTED;
if (packStreamIndex > p->NumPackStreams)
if (numPackStreams > p->NumPackStreams - packStreamIndex)
return SZ_ERROR_ARCHIVE;
packStreamIndex += numPackStreams;
}
}
@ -938,7 +934,7 @@ static SRes SzReadStreamsInfo(CSzAr *p,
UInt32 numFoldersMax, const CBuf *tempBufs, UInt32 numTempBufs,
UInt64 *dataOffset,
CSubStreamInfo *ssi,
ISzAlloc *alloc)
ISzAllocPtr alloc)
{
UInt64 type;
@ -980,7 +976,7 @@ static SRes SzReadAndDecodePackedStreams(
UInt32 numFoldersMax,
UInt64 baseOffset,
CSzAr *p,
ISzAlloc *allocTemp)
ISzAllocPtr allocTemp)
{
UInt64 dataStartPos;
UInt32 fo;
@ -1047,7 +1043,7 @@ static SRes SzReadFileNames(const Byte *data, size_t size, UInt32 numFiles, size
static MY_NO_INLINE SRes ReadTime(CSzBitUi64s *p, UInt32 num,
CSzData *sd2,
const CBuf *tempBufs, UInt32 numTempBufs,
ISzAlloc *alloc)
ISzAllocPtr alloc)
{
CSzData sd;
UInt32 i;
@ -1100,16 +1096,14 @@ static SRes SzReadHeader2(
CSzData *sd,
ILookInStream *inStream,
CBuf *tempBufs, UInt32 *numTempBufs,
ISzAlloc *allocMain,
ISzAlloc *allocTemp
ISzAllocPtr allocMain,
ISzAllocPtr allocTemp
)
{
UInt64 type;
UInt32 numFiles = 0;
UInt32 numEmptyStreams = 0;
CSubStreamInfo ssi;
const Byte *emptyStreams = NULL;
const Byte *emptyFiles = NULL;
{
UInt64 type;
SzData_Clear(&ssi.sdSizes);
SzData_Clear(&ssi.sdCRCs);
@ -1124,9 +1118,9 @@ static SRes SzReadHeader2(
{
for (;;)
{
UInt64 type;
RINOK(ReadID(sd, &type));
if (type == k7zIdEnd)
UInt64 type2;
RINOK(ReadID(sd, &type2));
if (type2 == k7zIdEnd)
break;
RINOK(SkipData(sd));
}
@ -1164,6 +1158,13 @@ static SRes SzReadHeader2(
if (type != k7zIdFilesInfo)
return SZ_ERROR_ARCHIVE;
}
{
UInt32 numFiles = 0;
UInt32 numEmptyStreams = 0;
const Byte *emptyStreams = NULL;
const Byte *emptyFiles = NULL;
RINOK(SzReadNumber32(sd, &numFiles));
p->NumFiles = numFiles;
@ -1462,7 +1463,7 @@ static SRes SzReadHeader2(
if (ssi.sdNumSubStreams.Data && ssi.sdNumSubStreams.Size != 0)
return SZ_ERROR_ARCHIVE;
}
}
return SZ_OK;
}
@ -1471,8 +1472,8 @@ static SRes SzReadHeader(
CSzArEx *p,
CSzData *sd,
ILookInStream *inStream,
ISzAlloc *allocMain,
ISzAlloc *allocTemp)
ISzAllocPtr allocMain,
ISzAllocPtr allocTemp)
{
UInt32 i;
UInt32 numTempBufs = 0;
@ -1500,8 +1501,8 @@ static SRes SzReadHeader(
static SRes SzArEx_Open2(
CSzArEx *p,
ILookInStream *inStream,
ISzAlloc *allocMain,
ISzAlloc *allocTemp)
ISzAllocPtr allocMain,
ISzAllocPtr allocTemp)
{
Byte header[k7zStartHeaderSize];
Int64 startArcPos;
@ -1512,7 +1513,7 @@ static SRes SzArEx_Open2(
SRes res;
startArcPos = 0;
RINOK(inStream->Seek(inStream, &startArcPos, SZ_SEEK_CUR));
RINOK(ILookInStream_Seek(inStream, &startArcPos, SZ_SEEK_CUR));
RINOK(LookInStream_Read2(inStream, header, k7zStartHeaderSize, SZ_ERROR_NO_ARCHIVE));
@ -1541,7 +1542,7 @@ static SRes SzArEx_Open2(
{
Int64 pos = 0;
RINOK(inStream->Seek(inStream, &pos, SZ_SEEK_END));
RINOK(ILookInStream_Seek(inStream, &pos, SZ_SEEK_END));
if ((UInt64)pos < startArcPos + nextHeaderOffset ||
(UInt64)pos < startArcPos + k7zStartHeaderSize + nextHeaderOffset ||
(UInt64)pos < startArcPos + k7zStartHeaderSize + nextHeaderOffset + nextHeaderSize)
@ -1622,7 +1623,7 @@ static SRes SzArEx_Open2(
SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream,
ISzAlloc *allocMain, ISzAlloc *allocTemp)
ISzAllocPtr allocMain, ISzAllocPtr allocTemp)
{
SRes res = SzArEx_Open2(p, inStream, allocMain, allocTemp);
if (res != SZ_OK)
@ -1640,8 +1641,8 @@ SRes SzArEx_Extract(
size_t *outBufferSize,
size_t *offset,
size_t *outSizeProcessed,
ISzAlloc *allocMain,
ISzAlloc *allocTemp)
ISzAllocPtr allocMain,
ISzAllocPtr allocTemp)
{
UInt32 folderIndex = p->FileToFolder[fileIndex];
SRes res = SZ_OK;
@ -1651,7 +1652,7 @@ SRes SzArEx_Extract(
if (folderIndex == (UInt32)-1)
{
IAlloc_Free(allocMain, *tempBuf);
ISzAlloc_Free(allocMain, *tempBuf);
*blockIndex = folderIndex;
*tempBuf = NULL;
*outBufferSize = 0;
@ -1663,7 +1664,7 @@ SRes SzArEx_Extract(
UInt64 unpackSizeSpec = SzAr_GetFolderUnpackSize(&p->db, folderIndex);
/*
UInt64 unpackSizeSpec =
p->UnpackPositions[p->FolderToFile[folderIndex + 1]] -
p->UnpackPositions[p->FolderToFile[(size_t)folderIndex + 1]] -
p->UnpackPositions[p->FolderToFile[folderIndex]];
*/
size_t unpackSize = (size_t)unpackSizeSpec;
@ -1671,7 +1672,7 @@ SRes SzArEx_Extract(
if (unpackSize != unpackSizeSpec)
return SZ_ERROR_MEM;
*blockIndex = folderIndex;
IAlloc_Free(allocMain, *tempBuf);
ISzAlloc_Free(allocMain, *tempBuf);
*tempBuf = NULL;
if (res == SZ_OK)
@ -1679,7 +1680,7 @@ SRes SzArEx_Extract(
*outBufferSize = unpackSize;
if (unpackSize != 0)
{
*tempBuf = (Byte *)IAlloc_Alloc(allocMain, unpackSize);
*tempBuf = (Byte *)ISzAlloc_Alloc(allocMain, unpackSize);
if (*tempBuf == NULL)
res = SZ_ERROR_MEM;
}
@ -1696,7 +1697,7 @@ SRes SzArEx_Extract(
{
UInt64 unpackPos = p->UnpackPositions[fileIndex];
*offset = (size_t)(unpackPos - p->UnpackPositions[p->FolderToFile[folderIndex]]);
*outSizeProcessed = (size_t)(p->UnpackPositions[fileIndex + 1] - unpackPos);
*outSizeProcessed = (size_t)(p->UnpackPositions[(size_t)fileIndex + 1] - unpackPos);
if (*offset + *outSizeProcessed > *outBufferSize)
return SZ_ERROR_FAIL;
if (SzBitWithVals_Check(&p->CRCs, fileIndex))

View file

@ -1,5 +1,5 @@
/* 7zBuf.c -- Byte Buffer
2013-01-21 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -11,7 +11,7 @@ void Buf_Init(CBuf *p)
p->size = 0;
}
int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc)
int Buf_Create(CBuf *p, size_t size, ISzAllocPtr alloc)
{
p->size = 0;
if (size == 0)
@ -19,8 +19,8 @@ int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc)
p->data = 0;
return 1;
}
p->data = (Byte *)alloc->Alloc(alloc, size);
if (p->data != 0)
p->data = (Byte *)ISzAlloc_Alloc(alloc, size);
if (p->data)
{
p->size = size;
return 1;
@ -28,9 +28,9 @@ int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc)
return 0;
}
void Buf_Free(CBuf *p, ISzAlloc *alloc)
void Buf_Free(CBuf *p, ISzAllocPtr alloc)
{
alloc->Free(alloc, p->data);
ISzAlloc_Free(alloc, p->data);
p->data = 0;
p->size = 0;
}

View file

@ -1,5 +1,5 @@
/* 7zBuf.h -- Byte Buffer
2013-01-18 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#ifndef __7Z_BUF_H
#define __7Z_BUF_H
@ -15,8 +15,8 @@ typedef struct
} CBuf;
void Buf_Init(CBuf *p);
int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc);
void Buf_Free(CBuf *p, ISzAlloc *alloc);
int Buf_Create(CBuf *p, size_t size, ISzAllocPtr alloc);
void Buf_Free(CBuf *p, ISzAllocPtr alloc);
typedef struct
{
@ -27,8 +27,8 @@ typedef struct
void DynBuf_Construct(CDynBuf *p);
void DynBuf_SeekToBeg(CDynBuf *p);
int DynBuf_Write(CDynBuf *p, const Byte *buf, size_t size, ISzAlloc *alloc);
void DynBuf_Free(CDynBuf *p, ISzAlloc *alloc);
int DynBuf_Write(CDynBuf *p, const Byte *buf, size_t size, ISzAllocPtr alloc);
void DynBuf_Free(CDynBuf *p, ISzAllocPtr alloc);
EXTERN_C_END

View file

@ -1,5 +1,5 @@
/* 7zCrc.c -- CRC32 init
2015-03-10 : Igor Pavlov : Public domain */
2017-06-06 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -61,12 +61,12 @@ void MY_FAST_CALL CrcGenerateTable()
UInt32 r = i;
unsigned j;
for (j = 0; j < 8; j++)
r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1));
r = (r >> 1) ^ (kCrcPoly & ((UInt32)0 - (r & 1)));
g_CrcTable[i] = r;
}
for (; i < 256 * CRC_NUM_TABLES; i++)
for (i = 256; i < 256 * CRC_NUM_TABLES; i++)
{
UInt32 r = g_CrcTable[i - 256];
UInt32 r = g_CrcTable[(size_t)i - 256];
g_CrcTable[i] = g_CrcTable[r & 0xFF] ^ (r >> 8);
}
@ -86,8 +86,8 @@ void MY_FAST_CALL CrcGenerateTable()
#ifdef MY_CPU_X86_OR_AMD64
if (!CPU_Is_InOrder())
g_CrcUpdate = CrcUpdateT8;
#endif
g_CrcUpdate = CrcUpdateT8;
#endif
#else
@ -101,7 +101,7 @@ void MY_FAST_CALL CrcGenerateTable()
g_CrcUpdate = CrcUpdateT4;
#if CRC_NUM_TABLES >= 8
g_CrcUpdateT8 = CrcUpdateT8;
// g_CrcUpdate = CrcUpdateT8;
g_CrcUpdate = CrcUpdateT8;
#endif
}
else if (p[0] != 1 || p[1] != 2)
@ -111,14 +111,14 @@ void MY_FAST_CALL CrcGenerateTable()
{
for (i = 256 * CRC_NUM_TABLES - 1; i >= 256; i--)
{
UInt32 x = g_CrcTable[i - 256];
UInt32 x = g_CrcTable[(size_t)i - 256];
g_CrcTable[i] = CRC_UINT32_SWAP(x);
}
g_CrcUpdateT4 = CrcUpdateT1_BeT4;
g_CrcUpdate = CrcUpdateT1_BeT4;
#if CRC_NUM_TABLES >= 8
g_CrcUpdateT8 = CrcUpdateT1_BeT8;
// g_CrcUpdate = CrcUpdateT1_BeT8;
g_CrcUpdate = CrcUpdateT1_BeT8;
#endif
}
}

View file

@ -1,5 +1,5 @@
/* 7zCrcOpt.c -- CRC32 calculation
2015-03-01 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -18,10 +18,10 @@ UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const U
{
v ^= *(const UInt32 *)p;
v =
table[0x300 + ((v ) & 0xFF)]
^ table[0x200 + ((v >> 8) & 0xFF)]
^ table[0x100 + ((v >> 16) & 0xFF)]
^ table[0x000 + ((v >> 24))];
(table + 0x300)[((v ) & 0xFF)]
^ (table + 0x200)[((v >> 8) & 0xFF)]
^ (table + 0x100)[((v >> 16) & 0xFF)]
^ (table + 0x000)[((v >> 24))];
}
for (; size > 0; size--, p++)
v = CRC_UPDATE_BYTE_2(v, *p);
@ -38,16 +38,16 @@ UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const U
UInt32 d;
v ^= *(const UInt32 *)p;
v =
table[0x700 + ((v ) & 0xFF)]
^ table[0x600 + ((v >> 8) & 0xFF)]
^ table[0x500 + ((v >> 16) & 0xFF)]
^ table[0x400 + ((v >> 24))];
(table + 0x700)[((v ) & 0xFF)]
^ (table + 0x600)[((v >> 8) & 0xFF)]
^ (table + 0x500)[((v >> 16) & 0xFF)]
^ (table + 0x400)[((v >> 24))];
d = *((const UInt32 *)p + 1);
v ^=
table[0x300 + ((d ) & 0xFF)]
^ table[0x200 + ((d >> 8) & 0xFF)]
^ table[0x100 + ((d >> 16) & 0xFF)]
^ table[0x000 + ((d >> 24))];
(table + 0x300)[((d ) & 0xFF)]
^ (table + 0x200)[((d >> 8) & 0xFF)]
^ (table + 0x100)[((d >> 16) & 0xFF)]
^ (table + 0x000)[((d >> 24))];
}
for (; size > 0; size--, p++)
v = CRC_UPDATE_BYTE_2(v, *p);
@ -74,10 +74,10 @@ UInt32 MY_FAST_CALL CrcUpdateT1_BeT4(UInt32 v, const void *data, size_t size, co
{
v ^= *(const UInt32 *)p;
v =
table[0x000 + ((v ) & 0xFF)]
^ table[0x100 + ((v >> 8) & 0xFF)]
^ table[0x200 + ((v >> 16) & 0xFF)]
^ table[0x300 + ((v >> 24))];
(table + 0x000)[((v ) & 0xFF)]
^ (table + 0x100)[((v >> 8) & 0xFF)]
^ (table + 0x200)[((v >> 16) & 0xFF)]
^ (table + 0x300)[((v >> 24))];
}
for (; size > 0; size--, p++)
v = CRC_UPDATE_BYTE_2_BE(v, *p);
@ -96,16 +96,16 @@ UInt32 MY_FAST_CALL CrcUpdateT1_BeT8(UInt32 v, const void *data, size_t size, co
UInt32 d;
v ^= *(const UInt32 *)p;
v =
table[0x400 + ((v ) & 0xFF)]
^ table[0x500 + ((v >> 8) & 0xFF)]
^ table[0x600 + ((v >> 16) & 0xFF)]
^ table[0x700 + ((v >> 24))];
(table + 0x400)[((v ) & 0xFF)]
^ (table + 0x500)[((v >> 8) & 0xFF)]
^ (table + 0x600)[((v >> 16) & 0xFF)]
^ (table + 0x700)[((v >> 24))];
d = *((const UInt32 *)p + 1);
v ^=
table[0x000 + ((d ) & 0xFF)]
^ table[0x100 + ((d >> 8) & 0xFF)]
^ table[0x200 + ((d >> 16) & 0xFF)]
^ table[0x300 + ((d >> 24))];
(table + 0x000)[((d ) & 0xFF)]
^ (table + 0x100)[((d >> 8) & 0xFF)]
^ (table + 0x200)[((d >> 16) & 0xFF)]
^ (table + 0x300)[((d >> 24))];
}
for (; size > 0; size--, p++)
v = CRC_UPDATE_BYTE_2_BE(v, *p);

View file

@ -1,5 +1,5 @@
/* 7zDec.c -- Decoding from 7z folder
2015-11-18 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -39,28 +39,28 @@
typedef struct
{
IByteIn p;
IByteIn vt;
const Byte *cur;
const Byte *end;
const Byte *begin;
UInt64 processed;
Bool extra;
SRes res;
ILookInStream *inStream;
const ILookInStream *inStream;
} CByteInToLook;
static Byte ReadByte(void *pp)
static Byte ReadByte(const IByteIn *pp)
{
CByteInToLook *p = (CByteInToLook *)pp;
CByteInToLook *p = CONTAINER_FROM_VTBL(pp, CByteInToLook, vt);
if (p->cur != p->end)
return *p->cur++;
if (p->res == SZ_OK)
{
size_t size = p->cur - p->begin;
p->processed += size;
p->res = p->inStream->Skip(p->inStream, size);
p->res = ILookInStream_Skip(p->inStream, size);
size = (1 << 25);
p->res = p->inStream->Look(p->inStream, (const void **)&p->begin, &size);
p->res = ILookInStream_Look(p->inStream, (const void **)&p->begin, &size);
p->cur = p->begin;
p->end = p->begin + size;
if (size != 0)
@ -70,14 +70,14 @@ static Byte ReadByte(void *pp)
return 0;
}
static SRes SzDecodePpmd(const Byte *props, unsigned propsSize, UInt64 inSize, ILookInStream *inStream,
Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain)
static SRes SzDecodePpmd(const Byte *props, unsigned propsSize, UInt64 inSize, const ILookInStream *inStream,
Byte *outBuffer, SizeT outSize, ISzAllocPtr allocMain)
{
CPpmd7 ppmd;
CByteInToLook s;
SRes res = SZ_OK;
s.p.Read = ReadByte;
s.vt.Read = ReadByte;
s.inStream = inStream;
s.begin = s.end = s.cur = NULL;
s.extra = False;
@ -103,7 +103,7 @@ static SRes SzDecodePpmd(const Byte *props, unsigned propsSize, UInt64 inSize, I
{
CPpmd7z_RangeDec rc;
Ppmd7z_RangeDec_CreateVTable(&rc);
rc.Stream = &s.p;
rc.Stream = &s.vt;
if (!Ppmd7z_RangeDec_Init(&rc))
res = SZ_ERROR_DATA;
else if (s.extra)
@ -113,7 +113,7 @@ static SRes SzDecodePpmd(const Byte *props, unsigned propsSize, UInt64 inSize, I
SizeT i;
for (i = 0; i < outSize; i++)
{
int sym = Ppmd7_DecodeSymbol(&ppmd, &rc.p);
int sym = Ppmd7_DecodeSymbol(&ppmd, &rc.vt);
if (s.extra || sym < 0)
break;
outBuffer[i] = (Byte)sym;
@ -132,7 +132,7 @@ static SRes SzDecodePpmd(const Byte *props, unsigned propsSize, UInt64 inSize, I
static SRes SzDecodeLzma(const Byte *props, unsigned propsSize, UInt64 inSize, ILookInStream *inStream,
Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain)
Byte *outBuffer, SizeT outSize, ISzAllocPtr allocMain)
{
CLzmaDec state;
SRes res = SZ_OK;
@ -149,7 +149,7 @@ static SRes SzDecodeLzma(const Byte *props, unsigned propsSize, UInt64 inSize, I
size_t lookahead = (1 << 18);
if (lookahead > inSize)
lookahead = (size_t)inSize;
res = inStream->Look(inStream, &inBuf, &lookahead);
res = ILookInStream_Look(inStream, &inBuf, &lookahead);
if (res != SZ_OK)
break;
@ -178,7 +178,7 @@ static SRes SzDecodeLzma(const Byte *props, unsigned propsSize, UInt64 inSize, I
break;
}
res = inStream->Skip((void *)inStream, inProcessed);
res = ILookInStream_Skip(inStream, inProcessed);
if (res != SZ_OK)
break;
}
@ -192,7 +192,7 @@ static SRes SzDecodeLzma(const Byte *props, unsigned propsSize, UInt64 inSize, I
#ifndef _7Z_NO_METHOD_LZMA2
static SRes SzDecodeLzma2(const Byte *props, unsigned propsSize, UInt64 inSize, ILookInStream *inStream,
Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain)
Byte *outBuffer, SizeT outSize, ISzAllocPtr allocMain)
{
CLzma2Dec state;
SRes res = SZ_OK;
@ -211,7 +211,7 @@ static SRes SzDecodeLzma2(const Byte *props, unsigned propsSize, UInt64 inSize,
size_t lookahead = (1 << 18);
if (lookahead > inSize)
lookahead = (size_t)inSize;
res = inStream->Look(inStream, &inBuf, &lookahead);
res = ILookInStream_Look(inStream, &inBuf, &lookahead);
if (res != SZ_OK)
break;
@ -237,7 +237,7 @@ static SRes SzDecodeLzma2(const Byte *props, unsigned propsSize, UInt64 inSize,
break;
}
res = inStream->Skip((void *)inStream, inProcessed);
res = ILookInStream_Skip(inStream, inProcessed);
if (res != SZ_OK)
break;
}
@ -258,13 +258,13 @@ static SRes SzDecodeCopy(UInt64 inSize, ILookInStream *inStream, Byte *outBuffer
size_t curSize = (1 << 18);
if (curSize > inSize)
curSize = (size_t)inSize;
RINOK(inStream->Look(inStream, &inBuf, &curSize));
RINOK(ILookInStream_Look(inStream, &inBuf, &curSize));
if (curSize == 0)
return SZ_ERROR_INPUT_EOF;
memcpy(outBuffer, inBuf, curSize);
outBuffer += curSize;
inSize -= curSize;
RINOK(inStream->Skip((void *)inStream, curSize));
RINOK(ILookInStream_Skip(inStream, curSize));
}
return SZ_OK;
}
@ -372,7 +372,7 @@ static SRes SzFolder_Decode2(const CSzFolder *folder,
const UInt64 *unpackSizes,
const UInt64 *packPositions,
ILookInStream *inStream, UInt64 startPos,
Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain,
Byte *outBuffer, SizeT outSize, ISzAllocPtr allocMain,
Byte *tempBuf[])
{
UInt32 ci;
@ -404,7 +404,7 @@ static SRes SzFolder_Decode2(const CSzFolder *folder,
outSizeCur = (SizeT)unpackSize;
if (outSizeCur != unpackSize)
return SZ_ERROR_MEM;
temp = (Byte *)IAlloc_Alloc(allocMain, outSizeCur);
temp = (Byte *)ISzAlloc_Alloc(allocMain, outSizeCur);
if (!temp && outSizeCur != 0)
return SZ_ERROR_MEM;
outBufCur = tempBuf[1 - ci] = temp;
@ -421,7 +421,7 @@ static SRes SzFolder_Decode2(const CSzFolder *folder,
return SZ_ERROR_UNSUPPORTED;
}
offset = packPositions[si];
inSize = packPositions[si + 1] - offset;
inSize = packPositions[(size_t)si + 1] - offset;
RINOK(LookInStream_SeekTo(inStream, startPos + offset));
if (coder->MethodID == k_Copy)
@ -460,7 +460,7 @@ static SRes SzFolder_Decode2(const CSzFolder *folder,
tempSizes[2] = (SizeT)s3Size;
if (tempSizes[2] != s3Size)
return SZ_ERROR_MEM;
tempBuf[2] = (Byte *)IAlloc_Alloc(allocMain, tempSizes[2]);
tempBuf[2] = (Byte *)ISzAlloc_Alloc(allocMain, tempSizes[2]);
if (!tempBuf[2] && tempSizes[2] != 0)
return SZ_ERROR_MEM;
@ -549,7 +549,7 @@ static SRes SzFolder_Decode2(const CSzFolder *folder,
SRes SzAr_DecodeFolder(const CSzAr *p, UInt32 folderIndex,
ILookInStream *inStream, UInt64 startPos,
Byte *outBuffer, size_t outSize,
ISzAlloc *allocMain)
ISzAllocPtr allocMain)
{
SRes res;
CSzFolder folder;
@ -557,7 +557,7 @@ SRes SzAr_DecodeFolder(const CSzAr *p, UInt32 folderIndex,
const Byte *data = p->CodersData + p->FoCodersOffsets[folderIndex];
sd.Data = data;
sd.Size = p->FoCodersOffsets[folderIndex + 1] - p->FoCodersOffsets[folderIndex];
sd.Size = p->FoCodersOffsets[(size_t)folderIndex + 1] - p->FoCodersOffsets[folderIndex];
res = SzGetNextFolderItem(&folder, &sd);
@ -579,7 +579,7 @@ SRes SzAr_DecodeFolder(const CSzAr *p, UInt32 folderIndex,
outBuffer, (SizeT)outSize, allocMain, tempBuf);
for (i = 0; i < 3; i++)
IAlloc_Free(allocMain, tempBuf[i]);
ISzAlloc_Free(allocMain, tempBuf[i]);
if (res == SZ_OK)
if (SzBitWithVals_Check(&p->FolderCRCs, folderIndex))

View file

@ -1,5 +1,5 @@
/* 7zStream.c -- 7z Stream functions
2013-11-12 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -7,12 +7,12 @@
#include "7zTypes.h"
SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType)
SRes SeqInStream_Read2(const ISeqInStream *stream, void *buf, size_t size, SRes errorType)
{
while (size != 0)
{
size_t processed = size;
RINOK(stream->Read(stream, buf, &processed));
RINOK(ISeqInStream_Read(stream, buf, &processed));
if (processed == 0)
return errorType;
buf = (void *)((Byte *)buf + processed);
@ -21,40 +21,42 @@ SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorT
return SZ_OK;
}
SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size)
SRes SeqInStream_Read(const ISeqInStream *stream, void *buf, size_t size)
{
return SeqInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
}
SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf)
SRes SeqInStream_ReadByte(const ISeqInStream *stream, Byte *buf)
{
size_t processed = 1;
RINOK(stream->Read(stream, buf, &processed));
RINOK(ISeqInStream_Read(stream, buf, &processed));
return (processed == 1) ? SZ_OK : SZ_ERROR_INPUT_EOF;
}
SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset)
SRes LookInStream_SeekTo(const ILookInStream *stream, UInt64 offset)
{
Int64 t = offset;
return stream->Seek(stream, &t, SZ_SEEK_SET);
return ILookInStream_Seek(stream, &t, SZ_SEEK_SET);
}
SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size)
SRes LookInStream_LookRead(const ILookInStream *stream, void *buf, size_t *size)
{
const void *lookBuf;
if (*size == 0)
return SZ_OK;
RINOK(stream->Look(stream, &lookBuf, size));
RINOK(ILookInStream_Look(stream, &lookBuf, size));
memcpy(buf, lookBuf, *size);
return stream->Skip(stream, *size);
return ILookInStream_Skip(stream, *size);
}
SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType)
SRes LookInStream_Read2(const ILookInStream *stream, void *buf, size_t size, SRes errorType)
{
while (size != 0)
{
size_t processed = size;
RINOK(stream->Read(stream, buf, &processed));
RINOK(ILookInStream_Read(stream, buf, &processed));
if (processed == 0)
return errorType;
buf = (void *)((Byte *)buf + processed);
@ -63,61 +65,67 @@ SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes erro
return SZ_OK;
}
SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size)
SRes LookInStream_Read(const ILookInStream *stream, void *buf, size_t size)
{
return LookInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
}
static SRes LookToRead_Look_Lookahead(void *pp, const void **buf, size_t *size)
#define GET_LookToRead2 CLookToRead2 *p = CONTAINER_FROM_VTBL(pp, CLookToRead2, vt);
static SRes LookToRead2_Look_Lookahead(const ILookInStream *pp, const void **buf, size_t *size)
{
SRes res = SZ_OK;
CLookToRead *p = (CLookToRead *)pp;
GET_LookToRead2
size_t size2 = p->size - p->pos;
if (size2 == 0 && *size > 0)
if (size2 == 0 && *size != 0)
{
p->pos = 0;
size2 = LookToRead_BUF_SIZE;
res = p->realStream->Read(p->realStream, p->buf, &size2);
p->size = 0;
size2 = p->bufSize;
res = ISeekInStream_Read(p->realStream, p->buf, &size2);
p->size = size2;
}
if (size2 < *size)
if (*size > size2)
*size = size2;
*buf = p->buf + p->pos;
return res;
}
static SRes LookToRead_Look_Exact(void *pp, const void **buf, size_t *size)
static SRes LookToRead2_Look_Exact(const ILookInStream *pp, const void **buf, size_t *size)
{
SRes res = SZ_OK;
CLookToRead *p = (CLookToRead *)pp;
GET_LookToRead2
size_t size2 = p->size - p->pos;
if (size2 == 0 && *size > 0)
if (size2 == 0 && *size != 0)
{
p->pos = 0;
if (*size > LookToRead_BUF_SIZE)
*size = LookToRead_BUF_SIZE;
res = p->realStream->Read(p->realStream, p->buf, size);
p->size = 0;
if (*size > p->bufSize)
*size = p->bufSize;
res = ISeekInStream_Read(p->realStream, p->buf, size);
size2 = p->size = *size;
}
if (size2 < *size)
if (*size > size2)
*size = size2;
*buf = p->buf + p->pos;
return res;
}
static SRes LookToRead_Skip(void *pp, size_t offset)
static SRes LookToRead2_Skip(const ILookInStream *pp, size_t offset)
{
CLookToRead *p = (CLookToRead *)pp;
GET_LookToRead2
p->pos += offset;
return SZ_OK;
}
static SRes LookToRead_Read(void *pp, void *buf, size_t *size)
static SRes LookToRead2_Read(const ILookInStream *pp, void *buf, size_t *size)
{
CLookToRead *p = (CLookToRead *)pp;
GET_LookToRead2
size_t rem = p->size - p->pos;
if (rem == 0)
return p->realStream->Read(p->realStream, buf, size);
return ISeekInStream_Read(p->realStream, buf, size);
if (rem > *size)
rem = *size;
memcpy(buf, p->buf + p->pos, rem);
@ -126,46 +134,43 @@ static SRes LookToRead_Read(void *pp, void *buf, size_t *size)
return SZ_OK;
}
static SRes LookToRead_Seek(void *pp, Int64 *pos, ESzSeek origin)
static SRes LookToRead2_Seek(const ILookInStream *pp, Int64 *pos, ESzSeek origin)
{
CLookToRead *p = (CLookToRead *)pp;
GET_LookToRead2
p->pos = p->size = 0;
return p->realStream->Seek(p->realStream, pos, origin);
return ISeekInStream_Seek(p->realStream, pos, origin);
}
void LookToRead_CreateVTable(CLookToRead *p, int lookahead)
void LookToRead2_CreateVTable(CLookToRead2 *p, int lookahead)
{
p->s.Look = lookahead ?
LookToRead_Look_Lookahead :
LookToRead_Look_Exact;
p->s.Skip = LookToRead_Skip;
p->s.Read = LookToRead_Read;
p->s.Seek = LookToRead_Seek;
p->vt.Look = lookahead ?
LookToRead2_Look_Lookahead :
LookToRead2_Look_Exact;
p->vt.Skip = LookToRead2_Skip;
p->vt.Read = LookToRead2_Read;
p->vt.Seek = LookToRead2_Seek;
}
void LookToRead_Init(CLookToRead *p)
{
p->pos = p->size = 0;
}
static SRes SecToLook_Read(void *pp, void *buf, size_t *size)
static SRes SecToLook_Read(const ISeqInStream *pp, void *buf, size_t *size)
{
CSecToLook *p = (CSecToLook *)pp;
CSecToLook *p = CONTAINER_FROM_VTBL(pp, CSecToLook, vt);
return LookInStream_LookRead(p->realStream, buf, size);
}
void SecToLook_CreateVTable(CSecToLook *p)
{
p->s.Read = SecToLook_Read;
p->vt.Read = SecToLook_Read;
}
static SRes SecToRead_Read(void *pp, void *buf, size_t *size)
static SRes SecToRead_Read(const ISeqInStream *pp, void *buf, size_t *size)
{
CSecToRead *p = (CSecToRead *)pp;
return p->realStream->Read(p->realStream, buf, size);
CSecToRead *p = CONTAINER_FROM_VTBL(pp, CSecToRead, vt);
return ILookInStream_Read(p->realStream, buf, size);
}
void SecToRead_CreateVTable(CSecToRead *p)
{
p->s.Read = SecToRead_Read;
p->vt.Read = SecToRead_Read;
}

View file

@ -1,11 +1,11 @@
/* 7zTypes.h -- Basic types
2013-11-12 : Igor Pavlov : Public domain */
2017-07-17 : Igor Pavlov : Public domain */
#ifndef __7Z_TYPES_H
#define __7Z_TYPES_H
#ifdef _WIN32
#include <windows.h>
/* #include <windows.h> */
#endif
#include <stddef.h>
@ -42,13 +42,23 @@ EXTERN_C_BEGIN
typedef int SRes;
#ifdef _WIN32
typedef DWORD WRes;
/* typedef unsigned WRes; */
/* typedef DWORD WRes; */
typedef unsigned WRes;
#define MY_SRes_HRESULT_FROM_WRes(x) HRESULT_FROM_WIN32(x)
#else
typedef int WRes;
#define MY__FACILITY_WIN32 7
#define MY__FACILITY__WRes MY__FACILITY_WIN32
#define MY_SRes_HRESULT_FROM_WRes(x) ((HRESULT)(x) <= 0 ? ((HRESULT)(x)) : ((HRESULT) (((x) & 0x0000FFFF) | (MY__FACILITY__WRes << 16) | 0x80000000)))
#endif
#ifndef RINOK
#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
#endif
@ -112,48 +122,72 @@ typedef int Bool;
#define MY_NO_INLINE
#endif
#define MY_FORCE_INLINE __forceinline
#define MY_CDECL __cdecl
#define MY_FAST_CALL __fastcall
#else
#define MY_NO_INLINE
#define MY_FORCE_INLINE
#define MY_CDECL
#define MY_FAST_CALL
/* inline keyword : for C++ / C99 */
/* GCC, clang: */
/*
#if defined (__GNUC__) && (__GNUC__ >= 4)
#define MY_FORCE_INLINE __attribute__((always_inline))
#define MY_NO_INLINE __attribute__((noinline))
#endif
*/
#endif
/* The following interfaces use first parameter as pointer to structure */
typedef struct
typedef struct IByteIn IByteIn;
struct IByteIn
{
Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */
} IByteIn;
Byte (*Read)(const IByteIn *p); /* reads one byte, returns 0 in case of EOF or error */
};
#define IByteIn_Read(p) (p)->Read(p)
typedef struct
{
void (*Write)(void *p, Byte b);
} IByteOut;
typedef struct
typedef struct IByteOut IByteOut;
struct IByteOut
{
SRes (*Read)(void *p, void *buf, size_t *size);
void (*Write)(const IByteOut *p, Byte b);
};
#define IByteOut_Write(p, b) (p)->Write(p, b)
typedef struct ISeqInStream ISeqInStream;
struct ISeqInStream
{
SRes (*Read)(const ISeqInStream *p, void *buf, size_t *size);
/* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
(output(*size) < input(*size)) is allowed */
} ISeqInStream;
};
#define ISeqInStream_Read(p, buf, size) (p)->Read(p, buf, size)
/* 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);
SRes SeqInStream_Read(const ISeqInStream *stream, void *buf, size_t size);
SRes SeqInStream_Read2(const ISeqInStream *stream, void *buf, size_t size, SRes errorType);
SRes SeqInStream_ReadByte(const ISeqInStream *stream, Byte *buf);
typedef struct
typedef struct ISeqOutStream ISeqOutStream;
struct ISeqOutStream
{
size_t (*Write)(void *p, const void *buf, size_t size);
size_t (*Write)(const ISeqOutStream *p, const void *buf, size_t size);
/* Returns: result - the number of actually written bytes.
(result < size) means error */
} ISeqOutStream;
};
#define ISeqOutStream_Write(p, buf, size) (p)->Write(p, buf, size)
typedef enum
{
@ -162,78 +196,162 @@ typedef enum
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
typedef struct ISeekInStream ISeekInStream;
struct ISeekInStream
{
SRes (*Look)(void *p, const void **buf, size_t *size);
SRes (*Read)(const ISeekInStream *p, void *buf, size_t *size); /* same as ISeqInStream::Read */
SRes (*Seek)(const ISeekInStream *p, Int64 *pos, ESzSeek origin);
};
#define ISeekInStream_Read(p, buf, size) (p)->Read(p, buf, size)
#define ISeekInStream_Seek(p, pos, origin) (p)->Seek(p, pos, origin)
typedef struct ILookInStream ILookInStream;
struct ILookInStream
{
SRes (*Look)(const ILookInStream *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);
SRes (*Skip)(const ILookInStream *p, size_t offset);
/* offset must be <= output(*size) of Look */
SRes (*Read)(void *p, void *buf, size_t *size);
SRes (*Read)(const ILookInStream *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 (*Seek)(const ILookInStream *p, Int64 *pos, ESzSeek origin);
};
SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);
SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);
#define ILookInStream_Look(p, buf, size) (p)->Look(p, buf, size)
#define ILookInStream_Skip(p, offset) (p)->Skip(p, offset)
#define ILookInStream_Read(p, buf, size) (p)->Read(p, buf, size)
#define ILookInStream_Seek(p, pos, origin) (p)->Seek(p, pos, origin)
SRes LookInStream_LookRead(const ILookInStream *stream, void *buf, size_t *size);
SRes LookInStream_SeekTo(const 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);
SRes LookInStream_Read2(const ILookInStream *stream, void *buf, size_t size, SRes errorType);
SRes LookInStream_Read(const ILookInStream *stream, void *buf, size_t size);
#define LookToRead_BUF_SIZE (1 << 14)
typedef struct
{
ILookInStream s;
ISeekInStream *realStream;
ILookInStream vt;
const ISeekInStream *realStream;
size_t pos;
size_t size;
Byte buf[LookToRead_BUF_SIZE];
} CLookToRead;
size_t size; /* it's data size */
/* the following variables must be set outside */
Byte *buf;
size_t bufSize;
} CLookToRead2;
void LookToRead2_CreateVTable(CLookToRead2 *p, int lookahead);
#define LookToRead2_Init(p) { (p)->pos = (p)->size = 0; }
void LookToRead_CreateVTable(CLookToRead *p, int lookahead);
void LookToRead_Init(CLookToRead *p);
typedef struct
{
ISeqInStream s;
ILookInStream *realStream;
ISeqInStream vt;
const ILookInStream *realStream;
} CSecToLook;
void SecToLook_CreateVTable(CSecToLook *p);
typedef struct
{
ISeqInStream s;
ILookInStream *realStream;
ISeqInStream vt;
const ILookInStream *realStream;
} CSecToRead;
void SecToRead_CreateVTable(CSecToRead *p);
typedef struct
typedef struct ICompressProgress ICompressProgress;
struct ICompressProgress
{
SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize);
SRes (*Progress)(const ICompressProgress *p, UInt64 inSize, UInt64 outSize);
/* Returns: result. (result != SZ_OK) means break.
Value (UInt64)(Int64)-1 for size means unknown value. */
} ICompressProgress;
};
#define ICompressProgress_Progress(p, inSize, outSize) (p)->Progress(p, inSize, outSize)
typedef struct
typedef struct ISzAlloc ISzAlloc;
typedef const ISzAlloc * ISzAllocPtr;
struct ISzAlloc
{
void *(*Alloc)(void *p, size_t size);
void (*Free)(void *p, void *address); /* address can be 0 */
} ISzAlloc;
void *(*Alloc)(ISzAllocPtr p, size_t size);
void (*Free)(ISzAllocPtr p, void *address); /* address can be 0 */
};
#define ISzAlloc_Alloc(p, size) (p)->Alloc(p, size)
#define ISzAlloc_Free(p, a) (p)->Free(p, a)
/* deprecated */
#define IAlloc_Alloc(p, size) ISzAlloc_Alloc(p, size)
#define IAlloc_Free(p, a) ISzAlloc_Free(p, a)
#ifndef MY_offsetof
#ifdef offsetof
#define MY_offsetof(type, m) offsetof(type, m)
/*
#define MY_offsetof(type, m) FIELD_OFFSET(type, m)
*/
#else
#define MY_offsetof(type, m) ((size_t)&(((type *)0)->m))
#endif
#endif
#ifndef MY_container_of
/*
#define MY_container_of(ptr, type, m) container_of(ptr, type, m)
#define MY_container_of(ptr, type, m) CONTAINING_RECORD(ptr, type, m)
#define MY_container_of(ptr, type, m) ((type *)((char *)(ptr) - offsetof(type, m)))
#define MY_container_of(ptr, type, m) (&((type *)0)->m == (ptr), ((type *)(((char *)(ptr)) - MY_offsetof(type, m))))
*/
/*
GCC shows warning: "perhaps the 'offsetof' macro was used incorrectly"
GCC 3.4.4 : classes with constructor
GCC 4.8.1 : classes with non-public variable members"
*/
#define MY_container_of(ptr, type, m) ((type *)((char *)(1 ? (ptr) : &((type *)0)->m) - MY_offsetof(type, m)))
#endif
#define CONTAINER_FROM_VTBL_SIMPLE(ptr, type, m) ((type *)(ptr))
/*
#define CONTAINER_FROM_VTBL(ptr, type, m) CONTAINER_FROM_VTBL_SIMPLE(ptr, type, m)
*/
#define CONTAINER_FROM_VTBL(ptr, type, m) MY_container_of(ptr, type, m)
#define CONTAINER_FROM_VTBL_CLS(ptr, type, m) CONTAINER_FROM_VTBL_SIMPLE(ptr, type, m)
/*
#define CONTAINER_FROM_VTBL_CLS(ptr, type, m) CONTAINER_FROM_VTBL(ptr, type, m)
*/
#define IAlloc_Alloc(p, size) (p)->Alloc((p), size)
#define IAlloc_Free(p, a) (p)->Free((p), a)
#ifdef _WIN32

View file

@ -1,14 +1,21 @@
#define MY_VER_MAJOR 15
#define MY_VER_MINOR 14
#define MY_VER_MAJOR 17
#define MY_VER_MINOR 01
#define MY_VER_BUILD 0
#define MY_VERSION_NUMBERS "15.14"
#define MY_VERSION "15.14"
#define MY_DATE "2015-12-31"
#define MY_VERSION_NUMBERS "17.01 beta"
#define MY_VERSION MY_VERSION_NUMBERS
#ifdef MY_CPU_NAME
#define MY_VERSION_CPU MY_VERSION " (" MY_CPU_NAME ")"
#else
#define MY_VERSION_CPU MY_VERSION
#endif
#define MY_DATE "2017-08-28"
#undef MY_COPYRIGHT
#undef MY_VERSION_COPYRIGHT_DATE
#define MY_AUTHOR_NAME "Igor Pavlov"
#define MY_COPYRIGHT_PD "Igor Pavlov : Public domain"
#define MY_COPYRIGHT_CR "Copyright (c) 1999-2015 Igor Pavlov"
#define MY_COPYRIGHT_CR "Copyright (c) 1999-2017 Igor Pavlov"
#ifdef USE_COPYRIGHT_CR
#define MY_COPYRIGHT MY_COPYRIGHT_CR
@ -16,4 +23,5 @@
#define MY_COPYRIGHT MY_COPYRIGHT_PD
#endif
#define MY_VERSION_COPYRIGHT_DATE MY_VERSION " : " MY_COPYRIGHT " : " MY_DATE
#define MY_COPYRIGHT_DATE MY_COPYRIGHT " : " MY_DATE
#define MY_VERSION_COPYRIGHT_DATE MY_VERSION_CPU " : " MY_COPYRIGHT " : " MY_DATE

View file

@ -1,5 +1,5 @@
/* Bcj2.c -- BCJ2 Decoder (Converter for x86 code)
2015-08-01 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -61,7 +61,8 @@ SRes Bcj2Dec_Decode(CBcj2Dec *p)
Byte *dest = p->dest;
if (dest == p->destLim)
return SZ_OK;
*dest = p->temp[p->state++ - BCJ2_DEC_STATE_ORIG_0];
*dest = p->temp[(size_t)p->state - BCJ2_DEC_STATE_ORIG_0];
p->state++;
p->dest = dest + 1;
}
}

View file

@ -1,135 +1,230 @@
/* Bra.c -- Converters for RISC code
2010-04-16 : Igor Pavlov : Public domain */
2017-04-04 : Igor Pavlov : Public domain */
#include "Precomp.h"
#include "CpuArch.h"
#include "Bra.h"
SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
{
SizeT i;
if (size < 4)
return 0;
size -= 4;
ip += 8;
for (i = 0; i <= size; i += 4)
Byte *p;
const Byte *lim;
size &= ~(size_t)3;
ip += 4;
p = data;
lim = data + size;
if (encoding)
for (;;)
{
if (data[i + 3] == 0xEB)
for (;;)
{
UInt32 dest;
UInt32 src = ((UInt32)data[i + 2] << 16) | ((UInt32)data[i + 1] << 8) | (data[i + 0]);
src <<= 2;
if (encoding)
dest = ip + (UInt32)i + src;
else
dest = src - (ip + (UInt32)i);
dest >>= 2;
data[i + 2] = (Byte)(dest >> 16);
data[i + 1] = (Byte)(dest >> 8);
data[i + 0] = (Byte)dest;
if (p >= lim)
return p - data;
p += 4;
if (p[-1] == 0xEB)
break;
}
{
UInt32 v = GetUi32(p - 4);
v <<= 2;
v += ip + (UInt32)(p - data);
v >>= 2;
v &= 0x00FFFFFF;
v |= 0xEB000000;
SetUi32(p - 4, v);
}
}
for (;;)
{
for (;;)
{
if (p >= lim)
return p - data;
p += 4;
if (p[-1] == 0xEB)
break;
}
{
UInt32 v = GetUi32(p - 4);
v <<= 2;
v -= ip + (UInt32)(p - data);
v >>= 2;
v &= 0x00FFFFFF;
v |= 0xEB000000;
SetUi32(p - 4, v);
}
}
return i;
}
SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
{
SizeT i;
if (size < 4)
return 0;
size -= 4;
ip += 4;
for (i = 0; i <= size; i += 2)
Byte *p;
const Byte *lim;
size &= ~(size_t)1;
p = data;
lim = data + size - 4;
if (encoding)
for (;;)
{
if ((data[i + 1] & 0xF8) == 0xF0 &&
(data[i + 3] & 0xF8) == 0xF8)
UInt32 b1;
for (;;)
{
UInt32 dest;
UInt32 src =
(((UInt32)data[i + 1] & 0x7) << 19) |
((UInt32)data[i + 0] << 11) |
(((UInt32)data[i + 3] & 0x7) << 8) |
(data[i + 2]);
UInt32 b3;
if (p > lim)
return p - data;
b1 = p[1];
b3 = p[3];
p += 2;
b1 ^= 8;
if ((b3 & b1) >= 0xF8)
break;
}
{
UInt32 v =
((UInt32)b1 << 19)
+ (((UInt32)p[1] & 0x7) << 8)
+ (((UInt32)p[-2] << 11))
+ (p[0]);
src <<= 1;
if (encoding)
dest = ip + (UInt32)i + src;
else
dest = src - (ip + (UInt32)i);
dest >>= 1;
p += 2;
{
UInt32 cur = (ip + (UInt32)(p - data)) >> 1;
v += cur;
}
data[i + 1] = (Byte)(0xF0 | ((dest >> 19) & 0x7));
data[i + 0] = (Byte)(dest >> 11);
data[i + 3] = (Byte)(0xF8 | ((dest >> 8) & 0x7));
data[i + 2] = (Byte)dest;
i += 2;
p[-4] = (Byte)(v >> 11);
p[-3] = (Byte)(0xF0 | ((v >> 19) & 0x7));
p[-2] = (Byte)v;
p[-1] = (Byte)(0xF8 | (v >> 8));
}
}
for (;;)
{
UInt32 b1;
for (;;)
{
UInt32 b3;
if (p > lim)
return p - data;
b1 = p[1];
b3 = p[3];
p += 2;
b1 ^= 8;
if ((b3 & b1) >= 0xF8)
break;
}
{
UInt32 v =
((UInt32)b1 << 19)
+ (((UInt32)p[1] & 0x7) << 8)
+ (((UInt32)p[-2] << 11))
+ (p[0]);
p += 2;
{
UInt32 cur = (ip + (UInt32)(p - data)) >> 1;
v -= cur;
}
/*
SetUi16(p - 4, (UInt16)(((v >> 11) & 0x7FF) | 0xF000));
SetUi16(p - 2, (UInt16)(v | 0xF800));
*/
p[-4] = (Byte)(v >> 11);
p[-3] = (Byte)(0xF0 | ((v >> 19) & 0x7));
p[-2] = (Byte)v;
p[-1] = (Byte)(0xF8 | (v >> 8));
}
}
return i;
}
SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
{
SizeT i;
if (size < 4)
return 0;
size -= 4;
for (i = 0; i <= size; i += 4)
{
if ((data[i] >> 2) == 0x12 && (data[i + 3] & 3) == 1)
{
UInt32 src = ((UInt32)(data[i + 0] & 3) << 24) |
((UInt32)data[i + 1] << 16) |
((UInt32)data[i + 2] << 8) |
((UInt32)data[i + 3] & (~3));
Byte *p;
const Byte *lim;
size &= ~(size_t)3;
ip -= 4;
p = data;
lim = data + size;
UInt32 dest;
for (;;)
{
for (;;)
{
if (p >= lim)
return p - data;
p += 4;
/* if ((v & 0xFC000003) == 0x48000001) */
if ((p[-4] & 0xFC) == 0x48 && (p[-1] & 3) == 1)
break;
}
{
UInt32 v = GetBe32(p - 4);
if (encoding)
dest = ip + (UInt32)i + src;
v += ip + (UInt32)(p - data);
else
dest = src - (ip + (UInt32)i);
data[i + 0] = (Byte)(0x48 | ((dest >> 24) & 0x3));
data[i + 1] = (Byte)(dest >> 16);
data[i + 2] = (Byte)(dest >> 8);
data[i + 3] &= 0x3;
data[i + 3] |= dest;
v -= ip + (UInt32)(p - data);
v &= 0x03FFFFFF;
v |= 0x48000000;
SetBe32(p - 4, v);
}
}
return i;
}
SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
{
UInt32 i;
if (size < 4)
return 0;
size -= 4;
for (i = 0; i <= size; i += 4)
Byte *p;
const Byte *lim;
size &= ~(size_t)3;
ip -= 4;
p = data;
lim = data + size;
for (;;)
{
if ((data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00) ||
(data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0))
for (;;)
{
UInt32 src =
((UInt32)data[i + 0] << 24) |
((UInt32)data[i + 1] << 16) |
((UInt32)data[i + 2] << 8) |
((UInt32)data[i + 3]);
UInt32 dest;
src <<= 2;
if (p >= lim)
return p - data;
/*
v = GetBe32(p);
p += 4;
m = v + ((UInt32)5 << 29);
m ^= (UInt32)7 << 29;
m += (UInt32)1 << 22;
if ((m & ((UInt32)0x1FF << 23)) == 0)
break;
*/
p += 4;
if ((p[-4] == 0x40 && (p[-3] & 0xC0) == 0) ||
(p[-4] == 0x7F && (p[-3] >= 0xC0)))
break;
}
{
UInt32 v = GetBe32(p - 4);
v <<= 2;
if (encoding)
dest = ip + i + src;
v += ip + (UInt32)(p - data);
else
dest = src - (ip + i);
dest >>= 2;
v -= ip + (UInt32)(p - data);
dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000;
data[i + 0] = (Byte)(dest >> 24);
data[i + 1] = (Byte)(dest >> 16);
data[i + 2] = (Byte)(dest >> 8);
data[i + 3] = (Byte)dest;
v &= 0x01FFFFFF;
v -= (UInt32)1 << 24;
v ^= 0xFF000000;
v >>= 2;
v |= 0x40000000;
SetBe32(p - 4, v);
}
}
return i;
}

View file

@ -1,5 +1,5 @@
/* Bra86.c -- Converter for x86 code (BCJ)
2013-11-12 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -37,7 +37,7 @@ SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding
else
{
mask >>= (unsigned)d;
if (mask != 0 && (mask > 4 || mask == 3 || Test86MSByte(p[(mask >> 1) + 1])))
if (mask != 0 && (mask > 4 || mask == 3 || Test86MSByte(p[(size_t)(mask >> 1) + 1])))
{
mask = (mask >> 1) | 4;
pos++;

View file

@ -1,69 +1,53 @@
/* BraIA64.c -- Converter for IA-64 code
2013-11-12 : Igor Pavlov : Public domain */
2017-01-26 : Igor Pavlov : Public domain */
#include "Precomp.h"
#include "CpuArch.h"
#include "Bra.h"
static const Byte kBranchTable[32] =
{
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
4, 4, 6, 6, 0, 0, 7, 7,
4, 4, 0, 0, 4, 4, 0, 0
};
SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
{
SizeT i;
if (size < 16)
return 0;
size -= 16;
for (i = 0; i <= size; i += 16)
i = 0;
do
{
UInt32 instrTemplate = data[i] & 0x1F;
UInt32 mask = kBranchTable[instrTemplate];
UInt32 bitPos = 5;
int slot;
for (slot = 0; slot < 3; slot++, bitPos += 41)
unsigned m = ((UInt32)0x334B0000 >> (data[i] & 0x1E)) & 3;
if (m)
{
UInt32 bytePos, bitRes;
UInt64 instruction, instNorm;
int j;
if (((mask >> slot) & 1) == 0)
continue;
bytePos = (bitPos >> 3);
bitRes = bitPos & 0x7;
instruction = 0;
for (j = 0; j < 6; j++)
instruction += (UInt64)data[i + j + bytePos] << (8 * j);
instNorm = instruction >> bitRes;
if (((instNorm >> 37) & 0xF) == 0x5 && ((instNorm >> 9) & 0x7) == 0)
m++;
do
{
UInt32 src = (UInt32)((instNorm >> 13) & 0xFFFFF);
UInt32 dest;
src |= ((UInt32)(instNorm >> 36) & 1) << 20;
Byte *p = data + (i + (size_t)m * 5 - 8);
if (((p[3] >> m) & 15) == 5
&& (((p[-1] | ((UInt32)p[0] << 8)) >> m) & 0x70) == 0)
{
unsigned raw = GetUi32(p);
unsigned v = raw >> m;
v = (v & 0xFFFFF) | ((v & (1 << 23)) >> 3);
src <<= 4;
v <<= 4;
if (encoding)
v += ip + (UInt32)i;
else
v -= ip + (UInt32)i;
v >>= 4;
if (encoding)
dest = ip + (UInt32)i + src;
else
dest = src - (ip + (UInt32)i);
dest >>= 4;
instNorm &= ~((UInt64)(0x8FFFFF) << 13);
instNorm |= ((UInt64)(dest & 0xFFFFF) << 13);
instNorm |= ((UInt64)(dest & 0x100000) << (36 - 20));
instruction &= (1 << bitRes) - 1;
instruction |= (instNorm << bitRes);
for (j = 0; j < 6; j++)
data[i + j + bytePos] = (Byte)(instruction >> (8 * j));
v &= 0x1FFFFF;
v += 0x700000;
v &= 0x8FFFFF;
raw &= ~((UInt32)0x8FFFFF << m);
raw |= (v << m);
SetUi32(p, raw);
}
}
while (++m <= 4);
}
i += 16;
}
while (i <= size);
return i;
}

View file

@ -1,5 +1,5 @@
/* Compiler.h
2015-08-02 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#ifndef __7Z_COMPILER_H
#define __7Z_COMPILER_H
@ -21,6 +21,7 @@
#pragma warning(disable : 4514) // unreferenced inline function has been removed
#pragma warning(disable : 4702) // unreachable code
#pragma warning(disable : 4710) // not inlined
#pragma warning(disable : 4714) // function marked as __forceinline not inlined
#pragma warning(disable : 4786) // identifier was truncated to '255' characters in the debug information
#endif

View file

@ -1,5 +1,5 @@
/* CpuArch.c -- CPU specific code
2015-03-25: Igor Pavlov : Public domain */
2016-02-25: Igor Pavlov : Public domain */
#include "Precomp.h"
@ -45,7 +45,8 @@ static UInt32 CheckFlag(UInt32 flag)
"push %%EDX\n\t"
"popf\n\t"
"andl %%EAX, %0\n\t":
"=c" (flag) : "c" (flag));
"=c" (flag) : "c" (flag) :
"%eax", "%edx");
#endif
return flag;
}
@ -79,7 +80,13 @@ void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d)
#else
__asm__ __volatile__ (
#if defined(MY_CPU_X86) && defined(__PIC__)
#if defined(MY_CPU_AMD64) && defined(__PIC__)
"mov %%rbx, %%rdi;"
"cpuid;"
"xchg %%rbx, %%rdi;"
: "=a" (*a) ,
"=D" (*b) ,
#elif defined(MY_CPU_X86) && defined(__PIC__)
"mov %%ebx, %%edi;"
"cpuid;"
"xchgl %%ebx, %%edi;"

View file

@ -1,5 +1,5 @@
/* CpuArch.h -- CPU specific code
2015-12-01: Igor Pavlov : Public domain */
2017-06-30 : Igor Pavlov : Public domain */
#ifndef __CPU_ARCH_H
#define __CPU_ARCH_H
@ -16,48 +16,122 @@ If MY_CPU_LE and MY_CPU_BE are not defined, we don't know about ENDIANNESS of pl
MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses.
*/
#if defined(_M_X64) \
|| defined(_M_AMD64) \
|| defined(__x86_64__) \
|| defined(__AMD64__) \
|| defined(__amd64__)
#if defined(_M_X64) \
|| defined(_M_AMD64) \
|| defined(__x86_64__) \
|| defined(__AMD64__) \
|| defined(__amd64__)
#define MY_CPU_AMD64
#endif
#if defined(MY_CPU_AMD64) \
|| defined(_M_IA64) \
|| defined(__AARCH64EL__) \
|| defined(__AARCH64EB__)
#ifdef __ILP32__
#define MY_CPU_NAME "x32"
#else
#define MY_CPU_NAME "x64"
#endif
#define MY_CPU_64BIT
#endif
#if defined(_M_IX86) || defined(__i386__)
#define MY_CPU_X86
#if defined(_M_IX86) \
|| defined(__i386__)
#define MY_CPU_X86
#define MY_CPU_NAME "x86"
#define MY_CPU_32BIT
#endif
#if defined(_M_ARM64) \
|| defined(__AARCH64EL__) \
|| defined(__AARCH64EB__) \
|| defined(__aarch64__)
#define MY_CPU_ARM64
#define MY_CPU_NAME "arm64"
#define MY_CPU_64BIT
#endif
#if defined(_M_ARM) \
|| defined(_M_ARM_NT) \
|| defined(_M_ARMT) \
|| defined(__arm__) \
|| defined(__thumb__) \
|| defined(__ARMEL__) \
|| defined(__ARMEB__) \
|| defined(__THUMBEL__) \
|| defined(__THUMBEB__)
#define MY_CPU_ARM
#define MY_CPU_NAME "arm"
#define MY_CPU_32BIT
#endif
#if defined(_M_IA64) \
|| defined(__ia64__)
#define MY_CPU_IA64
#define MY_CPU_NAME "ia64"
#define MY_CPU_64BIT
#endif
#if defined(__mips64) \
|| defined(__mips64__) \
|| (defined(__mips) && (__mips == 64 || __mips == 4 || __mips == 3))
#define MY_CPU_NAME "mips64"
#define MY_CPU_64BIT
#elif defined(__mips__)
#define MY_CPU_NAME "mips"
/* #define MY_CPU_32BIT */
#endif
#if defined(__ppc64__) \
|| defined(__powerpc64__)
#ifdef __ILP32__
#define MY_CPU_NAME "ppc64-32"
#else
#define MY_CPU_NAME "ppc64"
#endif
#define MY_CPU_64BIT
#elif defined(__ppc__) \
|| defined(__powerpc__)
#define MY_CPU_NAME "ppc"
#define MY_CPU_32BIT
#endif
#if defined(__sparc64__)
#define MY_CPU_NAME "sparc64"
#define MY_CPU_64BIT
#elif defined(__sparc__)
#define MY_CPU_NAME "sparc"
/* #define MY_CPU_32BIT */
#endif
#if defined(MY_CPU_X86) || defined(MY_CPU_AMD64)
#define MY_CPU_X86_OR_AMD64
#endif
#if defined(MY_CPU_X86) \
|| defined(_M_ARM) \
|| defined(__ARMEL__) \
|| defined(__THUMBEL__) \
|| defined(__ARMEB__) \
|| defined(__THUMBEB__)
#define MY_CPU_32BIT
#ifdef _WIN32
#ifdef MY_CPU_ARM
#define MY_CPU_ARM_LE
#endif
#ifdef MY_CPU_ARM64
#define MY_CPU_ARM64_LE
#endif
#ifdef _M_IA64
#define MY_CPU_IA64_LE
#endif
#endif
#if defined(_WIN32) && defined(_M_ARM)
#define MY_CPU_ARM_LE
#endif
#if defined(_WIN32) && defined(_M_IA64)
#define MY_CPU_IA64_LE
#endif
#if defined(MY_CPU_X86_OR_AMD64) \
|| defined(MY_CPU_ARM_LE) \
|| defined(MY_CPU_ARM64_LE) \
|| defined(MY_CPU_IA64_LE) \
|| defined(__LITTLE_ENDIAN__) \
|| defined(__ARMEL__) \
@ -66,6 +140,7 @@ MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned mem
|| defined(__MIPSEL__) \
|| defined(__MIPSEL) \
|| defined(_MIPSEL) \
|| defined(__BFIN__) \
|| (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
#define MY_CPU_LE
#endif
@ -85,14 +160,37 @@ MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned mem
#define MY_CPU_BE
#endif
#if defined(MY_CPU_LE) && defined(MY_CPU_BE)
Stop_Compiling_Bad_Endian
#error Stop_Compiling_Bad_Endian
#endif
#if defined(MY_CPU_32BIT) && defined(MY_CPU_64BIT)
#error Stop_Compiling_Bad_32_64_BIT
#endif
#ifndef MY_CPU_NAME
#ifdef MY_CPU_LE
#define MY_CPU_NAME "LE"
#elif MY_CPU_BE
#define MY_CPU_NAME "BE"
#else
/*
#define MY_CPU_NAME ""
*/
#endif
#endif
#ifdef MY_CPU_LE
#if defined(MY_CPU_X86_OR_AMD64) \
/* || defined(__AARCH64EL__) */
|| defined(MY_CPU_ARM64) \
|| defined(__ARM_FEATURE_UNALIGNED)
#define MY_CPU_LE_UNALIGN
#endif
#endif
@ -138,6 +236,11 @@ Stop_Compiling_Bad_Endian
#endif
#ifdef __has_builtin
#define MY__has_builtin(x) __has_builtin(x)
#else
#define MY__has_builtin(x) 0
#endif
#if defined(MY_CPU_LE_UNALIGN) && /* defined(_WIN64) && */ (_MSC_VER >= 1300)
@ -145,15 +248,21 @@ Stop_Compiling_Bad_Endian
#include <stdlib.h>
#pragma intrinsic(_byteswap_ushort)
#pragma intrinsic(_byteswap_ulong)
#pragma intrinsic(_byteswap_uint64)
/* #define GetBe16(p) _byteswap_ushort(*(const UInt16 *)(const Byte *)(p)) */
#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p))
#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p))
#define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = _byteswap_ulong(v)
#elif defined(MY_CPU_LE_UNALIGN) && defined (__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#elif defined(MY_CPU_LE_UNALIGN) && ( \
(defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) \
|| (defined(__clang__) && MY__has_builtin(__builtin_bswap16)) )
/* #define GetBe16(p) __builtin_bswap16(*(const UInt16 *)(const Byte *)(p)) */
#define GetBe32(p) __builtin_bswap32(*(const UInt32 *)(const Byte *)(p))
#define GetBe64(p) __builtin_bswap64(*(const UInt64 *)(const Byte *)(p))
@ -178,10 +287,14 @@ Stop_Compiling_Bad_Endian
#endif
#ifndef GetBe16
#define GetBe16(p) ( (UInt16) ( \
((UInt16)((const Byte *)(p))[0] << 8) | \
((const Byte *)(p))[1] ))
#endif
#ifdef MY_CPU_X86_OR_AMD64

View file

@ -1,5 +1,5 @@
/* LzFind.c -- Match finder for LZ algorithms
2015-10-15 : Igor Pavlov : Public domain */
2017-06-10 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -16,18 +16,18 @@
#define kStartMaxLen 3
static void LzInWindow_Free(CMatchFinder *p, ISzAlloc *alloc)
static void LzInWindow_Free(CMatchFinder *p, ISzAllocPtr alloc)
{
if (!p->directInput)
{
alloc->Free(alloc, p->bufferBase);
ISzAlloc_Free(alloc, p->bufferBase);
p->bufferBase = NULL;
}
}
/* keepSizeBefore + keepSizeAfter + keepSizeReserv must be < 4G) */
static int LzInWindow_Create(CMatchFinder *p, UInt32 keepSizeReserv, ISzAlloc *alloc)
static int LzInWindow_Create(CMatchFinder *p, UInt32 keepSizeReserv, ISzAllocPtr alloc)
{
UInt32 blockSize = p->keepSizeBefore + p->keepSizeAfter + keepSizeReserv;
if (p->directInput)
@ -39,7 +39,7 @@ static int LzInWindow_Create(CMatchFinder *p, UInt32 keepSizeReserv, ISzAlloc *a
{
LzInWindow_Free(p, alloc);
p->blockSize = blockSize;
p->bufferBase = (Byte *)alloc->Alloc(alloc, (size_t)blockSize);
p->bufferBase = (Byte *)ISzAlloc_Alloc(alloc, (size_t)blockSize);
}
return (p->bufferBase != NULL);
}
@ -81,7 +81,7 @@ static void MatchFinder_ReadBlock(CMatchFinder *p)
if (size == 0)
return;
p->result = p->stream->Read(p->stream, dest, &size);
p->result = ISeqInStream_Read(p->stream, dest, &size);
if (p->result != SZ_OK)
return;
if (size == 0)
@ -142,6 +142,7 @@ void MatchFinder_Construct(CMatchFinder *p)
p->bufferBase = NULL;
p->directInput = 0;
p->hash = NULL;
p->expectedDataSize = (UInt64)(Int64)-1;
MatchFinder_SetDefaultSettings(p);
for (i = 0; i < 256; i++)
@ -149,34 +150,34 @@ void MatchFinder_Construct(CMatchFinder *p)
UInt32 r = i;
unsigned j;
for (j = 0; j < 8; j++)
r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1));
r = (r >> 1) ^ (kCrcPoly & ((UInt32)0 - (r & 1)));
p->crc[i] = r;
}
}
static void MatchFinder_FreeThisClassMemory(CMatchFinder *p, ISzAlloc *alloc)
static void MatchFinder_FreeThisClassMemory(CMatchFinder *p, ISzAllocPtr alloc)
{
alloc->Free(alloc, p->hash);
ISzAlloc_Free(alloc, p->hash);
p->hash = NULL;
}
void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc)
void MatchFinder_Free(CMatchFinder *p, ISzAllocPtr alloc)
{
MatchFinder_FreeThisClassMemory(p, alloc);
LzInWindow_Free(p, alloc);
}
static CLzRef* AllocRefs(size_t num, ISzAlloc *alloc)
static CLzRef* AllocRefs(size_t num, ISzAllocPtr alloc)
{
size_t sizeInBytes = (size_t)num * sizeof(CLzRef);
if (sizeInBytes / sizeof(CLzRef) != num)
return NULL;
return (CLzRef *)alloc->Alloc(alloc, sizeInBytes);
return (CLzRef *)ISzAlloc_Alloc(alloc, sizeInBytes);
}
int MatchFinder_Create(CMatchFinder *p, UInt32 historySize,
UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter,
ISzAlloc *alloc)
ISzAllocPtr alloc)
{
UInt32 sizeReserv;
@ -208,7 +209,11 @@ int MatchFinder_Create(CMatchFinder *p, UInt32 historySize,
hs = (1 << 16) - 1;
else
{
hs = historySize - 1;
hs = historySize;
if (hs > p->expectedDataSize)
hs = (UInt32)p->expectedDataSize;
if (hs != 0)
hs--;
hs |= (hs >> 1);
hs |= (hs >> 2);
hs |= (hs >> 4);
@ -292,17 +297,33 @@ static void MatchFinder_SetLimits(CMatchFinder *p)
p->posLimit = p->pos + limit;
}
void MatchFinder_Init_2(CMatchFinder *p, int readData)
{
UInt32 i;
UInt32 *hash = p->hash;
UInt32 num = p->hashSizeSum;
for (i = 0; i < num; i++)
hash[i] = kEmptyHashValue;
void MatchFinder_Init_LowHash(CMatchFinder *p)
{
size_t i;
CLzRef *items = p->hash;
size_t numItems = p->fixedHashSize;
for (i = 0; i < numItems; i++)
items[i] = kEmptyHashValue;
}
void MatchFinder_Init_HighHash(CMatchFinder *p)
{
size_t i;
CLzRef *items = p->hash + p->fixedHashSize;
size_t numItems = (size_t)p->hashMask + 1;
for (i = 0; i < numItems; i++)
items[i] = kEmptyHashValue;
}
void MatchFinder_Init_3(CMatchFinder *p, int readData)
{
p->cyclicBufferPos = 0;
p->buffer = p->bufferBase;
p->pos = p->streamPos = p->cyclicBufferSize;
p->pos =
p->streamPos = p->cyclicBufferSize;
p->result = SZ_OK;
p->streamEndWasReached = 0;
@ -312,11 +333,15 @@ void MatchFinder_Init_2(CMatchFinder *p, int readData)
MatchFinder_SetLimits(p);
}
void MatchFinder_Init(CMatchFinder *p)
{
MatchFinder_Init_2(p, True);
MatchFinder_Init_HighHash(p);
MatchFinder_Init_LowHash(p);
MatchFinder_Init_3(p, True);
}
static UInt32 MatchFinder_GetSubValue(CMatchFinder *p)
{
return (p->pos - p->historySize - 1) & kNormalizeMask;
@ -558,10 +583,10 @@ static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
d2 = pos - hash[h2];
curMatch = hash[kFix3HashSize + hv];
curMatch = (hash + kFix3HashSize)[hv];
hash[h2] = pos;
hash[kFix3HashSize + hv] = pos;
(hash + kFix3HashSize)[hv] = pos;
maxLen = 2;
offset = 0;
@ -594,13 +619,13 @@ static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
pos = p->pos;
d2 = pos - hash[ h2];
d3 = pos - hash[kFix3HashSize + h3];
d3 = pos - (hash + kFix3HashSize)[h3];
curMatch = hash[kFix4HashSize + hv];
curMatch = (hash + kFix4HashSize)[hv];
hash[ h2] = pos;
hash[kFix3HashSize + h3] = pos;
hash[kFix4HashSize + hv] = pos;
(hash + kFix3HashSize)[h3] = pos;
(hash + kFix4HashSize)[hv] = pos;
maxLen = 0;
offset = 0;
@ -615,7 +640,7 @@ static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
if (d2 != d3 && d3 < p->cyclicBufferSize && *(cur - d3) == *cur)
{
maxLen = 3;
distances[offset + 1] = d3 - 1;
distances[(size_t)offset + 1] = d3 - 1;
offset += 2;
d2 = d3;
}
@ -623,7 +648,7 @@ static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
if (offset != 0)
{
UPDATE_maxLen
distances[offset - 2] = maxLen;
distances[(size_t)offset - 2] = maxLen;
if (maxLen == lenLimit)
{
SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p));
@ -650,15 +675,15 @@ static UInt32 Bt5_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
pos = p->pos;
d2 = pos - hash[ h2];
d3 = pos - hash[kFix3HashSize + h3];
d4 = pos - hash[kFix4HashSize + h4];
d3 = pos - (hash + kFix3HashSize)[h3];
d4 = pos - (hash + kFix4HashSize)[h4];
curMatch = hash[kFix5HashSize + hv];
curMatch = (hash + kFix5HashSize)[hv];
hash[ h2] = pos;
hash[kFix3HashSize + h3] = pos;
hash[kFix4HashSize + h4] = pos;
hash[kFix5HashSize + hv] = pos;
(hash + kFix3HashSize)[h3] = pos;
(hash + kFix4HashSize)[h4] = pos;
(hash + kFix5HashSize)[hv] = pos;
maxLen = 0;
offset = 0;
@ -691,7 +716,7 @@ static UInt32 Bt5_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
&& *(cur - d4 + 3) == *(cur + 3))
{
maxLen = 4;
distances[offset + 1] = d4 - 1;
distances[(size_t)offset + 1] = d4 - 1;
offset += 2;
d2 = d4;
}
@ -699,7 +724,7 @@ static UInt32 Bt5_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
if (offset != 0)
{
UPDATE_maxLen
distances[offset - 2] = maxLen;
distances[(size_t)offset - 2] = maxLen;
if (maxLen == lenLimit)
{
SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p));
@ -726,13 +751,13 @@ static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
pos = p->pos;
d2 = pos - hash[ h2];
d3 = pos - hash[kFix3HashSize + h3];
d3 = pos - (hash + kFix3HashSize)[h3];
curMatch = hash[kFix4HashSize + hv];
curMatch = (hash + kFix4HashSize)[hv];
hash[ h2] = pos;
hash[kFix3HashSize + h3] = pos;
hash[kFix4HashSize + hv] = pos;
(hash + kFix3HashSize)[h3] = pos;
(hash + kFix4HashSize)[hv] = pos;
maxLen = 0;
offset = 0;
@ -747,7 +772,7 @@ static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
if (d2 != d3 && d3 < p->cyclicBufferSize && *(cur - d3) == *cur)
{
maxLen = 3;
distances[offset + 1] = d3 - 1;
distances[(size_t)offset + 1] = d3 - 1;
offset += 2;
d2 = d3;
}
@ -755,7 +780,7 @@ static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
if (offset != 0)
{
UPDATE_maxLen
distances[offset - 2] = maxLen;
distances[(size_t)offset - 2] = maxLen;
if (maxLen == lenLimit)
{
p->son[p->cyclicBufferPos] = curMatch;
@ -784,15 +809,15 @@ static UInt32 Hc5_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
pos = p->pos;
d2 = pos - hash[ h2];
d3 = pos - hash[kFix3HashSize + h3];
d4 = pos - hash[kFix4HashSize + h4];
d3 = pos - (hash + kFix3HashSize)[h3];
d4 = pos - (hash + kFix4HashSize)[h4];
curMatch = hash[kFix5HashSize + hv];
curMatch = (hash + kFix5HashSize)[hv];
hash[ h2] = pos;
hash[kFix3HashSize + h3] = pos;
hash[kFix4HashSize + h4] = pos;
hash[kFix5HashSize + hv] = pos;
(hash + kFix3HashSize)[h3] = pos;
(hash + kFix4HashSize)[h4] = pos;
(hash + kFix5HashSize)[hv] = pos;
maxLen = 0;
offset = 0;
@ -825,7 +850,7 @@ static UInt32 Hc5_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
&& *(cur - d4 + 3) == *(cur + 3))
{
maxLen = 4;
distances[offset + 1] = d4 - 1;
distances[(size_t)offset + 1] = d4 - 1;
offset += 2;
d2 = d4;
}
@ -833,7 +858,7 @@ static UInt32 Hc5_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
if (offset != 0)
{
UPDATE_maxLen
distances[offset - 2] = maxLen;
distances[(size_t)offset - 2] = maxLen;
if (maxLen == lenLimit)
{
p->son[p->cyclicBufferPos] = curMatch;
@ -897,9 +922,9 @@ static void Bt3_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
SKIP_HEADER(3)
HASH3_CALC;
hash = p->hash;
curMatch = hash[kFix3HashSize + hv];
curMatch = (hash + kFix3HashSize)[hv];
hash[h2] =
hash[kFix3HashSize + hv] = p->pos;
(hash + kFix3HashSize)[hv] = p->pos;
SKIP_FOOTER
}
while (--num != 0);
@ -914,10 +939,10 @@ static void Bt4_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
SKIP_HEADER(4)
HASH4_CALC;
hash = p->hash;
curMatch = hash[kFix4HashSize + hv];
curMatch = (hash + kFix4HashSize)[hv];
hash[ h2] =
hash[kFix3HashSize + h3] =
hash[kFix4HashSize + hv] = p->pos;
(hash + kFix3HashSize)[h3] =
(hash + kFix4HashSize)[hv] = p->pos;
SKIP_FOOTER
}
while (--num != 0);
@ -933,11 +958,11 @@ static void Bt5_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
SKIP_HEADER(5)
HASH5_CALC;
hash = p->hash;
curMatch = hash[kFix5HashSize + hv];
curMatch = (hash + kFix5HashSize)[hv];
hash[ h2] =
hash[kFix3HashSize + h3] =
hash[kFix4HashSize + h4] =
hash[kFix5HashSize + hv] = p->pos;
(hash + kFix3HashSize)[h3] =
(hash + kFix4HashSize)[h4] =
(hash + kFix5HashSize)[hv] = p->pos;
SKIP_FOOTER
}
while (--num != 0);
@ -953,10 +978,10 @@ static void Hc4_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
SKIP_HEADER(4)
HASH4_CALC;
hash = p->hash;
curMatch = hash[kFix4HashSize + hv];
curMatch = (hash + kFix4HashSize)[hv];
hash[ h2] =
hash[kFix3HashSize + h3] =
hash[kFix4HashSize + hv] = p->pos;
(hash + kFix3HashSize)[h3] =
(hash + kFix4HashSize)[hv] = p->pos;
p->son[p->cyclicBufferPos] = curMatch;
MOVE_POS
}
@ -973,11 +998,11 @@ static void Hc5_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
SKIP_HEADER(5)
HASH5_CALC;
hash = p->hash;
curMatch = p->hash[kFix5HashSize + hv];
curMatch = hash + kFix5HashSize)[hv];
hash[ h2] =
hash[kFix3HashSize + h3] =
hash[kFix4HashSize + h4] =
hash[kFix5HashSize + hv] = p->pos;
(hash + kFix3HashSize)[h3] =
(hash + kFix4HashSize)[h4] =
(hash + kFix5HashSize)[hv] = p->pos;
p->son[p->cyclicBufferPos] = curMatch;
MOVE_POS
}

View file

@ -1,5 +1,5 @@
/* LzFind.h -- Match finder for LZ algorithms
2015-10-15 : Igor Pavlov : Public domain */
2017-06-10 : Igor Pavlov : Public domain */
#ifndef __LZ_FIND_H
#define __LZ_FIND_H
@ -47,6 +47,8 @@ typedef struct _CMatchFinder
SRes result;
UInt32 crc[256];
size_t numRefs;
UInt64 expectedDataSize;
} CMatchFinder;
#define Inline_MatchFinder_GetPointerToCurrentPos(p) ((p)->buffer)
@ -71,8 +73,8 @@ void MatchFinder_Construct(CMatchFinder *p);
*/
int MatchFinder_Create(CMatchFinder *p, UInt32 historySize,
UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter,
ISzAlloc *alloc);
void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc);
ISzAllocPtr alloc);
void MatchFinder_Free(CMatchFinder *p, ISzAllocPtr alloc);
void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, size_t numItems);
void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue);
@ -103,7 +105,9 @@ typedef struct _IMatchFinder
void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable);
void MatchFinder_Init_2(CMatchFinder *p, int readData);
void MatchFinder_Init_LowHash(CMatchFinder *p);
void MatchFinder_Init_HighHash(CMatchFinder *p);
void MatchFinder_Init_3(CMatchFinder *p, int readData);
void MatchFinder_Init(CMatchFinder *p);
UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances);

View file

@ -1,5 +1,5 @@
/* LzFindMt.c -- multithreaded Match finder for LZ algorithms
2015-10-15 : Igor Pavlov : Public domain */
2017-06-10 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -33,6 +33,8 @@ static void MtSync_GetNextBlock(CMtSync *p)
Event_Set(&p->canStart);
Event_Wait(&p->wasStarted);
// if (mt) MatchFinder_Init_LowHash(mt->MatchFinder);
}
else
{
@ -155,6 +157,9 @@ static void HashThreadFunc(CMatchFinderMt *mt)
UInt32 numProcessedBlocks = 0;
Event_Wait(&p->canStart);
Event_Set(&p->wasStarted);
MatchFinder_Init_HighHash(mt->MatchFinder);
for (;;)
{
if (p->exit)
@ -205,7 +210,7 @@ static void HashThreadFunc(CMatchFinderMt *mt)
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;
heads[0] = 2 + num;
}
mf->pos += num;
mf->buffer += num;
@ -443,13 +448,13 @@ void MatchFinderMt_Construct(CMatchFinderMt *p)
MtSync_Construct(&p->btSync);
}
static void MatchFinderMt_FreeMem(CMatchFinderMt *p, ISzAlloc *alloc)
static void MatchFinderMt_FreeMem(CMatchFinderMt *p, ISzAllocPtr alloc)
{
alloc->Free(alloc, p->hashBuf);
ISzAlloc_Free(alloc, p->hashBuf);
p->hashBuf = NULL;
}
void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc)
void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAllocPtr alloc)
{
MtSync_Destruct(&p->hashSync);
MtSync_Destruct(&p->btSync);
@ -472,7 +477,7 @@ static THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE BtThreadFunc2(void *p)
}
SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddBufferBefore,
UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc)
UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAllocPtr alloc)
{
CMatchFinder *mf = p->MatchFinder;
p->historySize = historySize;
@ -480,7 +485,7 @@ SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddB
return SZ_ERROR_PARAM;
if (!p->hashBuf)
{
p->hashBuf = (UInt32 *)alloc->Alloc(alloc, (kHashBufferSize + kBtBufferSize) * sizeof(UInt32));
p->hashBuf = (UInt32 *)ISzAlloc_Alloc(alloc, (kHashBufferSize + kBtBufferSize) * sizeof(UInt32));
if (!p->hashBuf)
return SZ_ERROR_MEM;
p->btBuf = p->hashBuf + kHashBufferSize;
@ -496,14 +501,18 @@ SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddB
}
/* Call it after ReleaseStream / SetStream */
void MatchFinderMt_Init(CMatchFinderMt *p)
static void MatchFinderMt_Init(CMatchFinderMt *p)
{
CMatchFinder *mf = p->MatchFinder;
p->btBufPos = p->btBufPosLimit = 0;
p->hashBufPos = p->hashBufPosLimit = 0;
p->btBufPos =
p->btBufPosLimit = 0;
p->hashBufPos =
p->hashBufPosLimit = 0;
/* Init without data reading. We don't want to read data in this thread */
MatchFinder_Init_2(mf, False);
MatchFinder_Init_3(mf, False);
MatchFinder_Init_LowHash(mf);
p->pointerToCurPos = Inline_MatchFinder_GetPointerToCurrentPos(mf);
p->btNumAvailBytes = 0;
@ -591,10 +600,10 @@ static UInt32 * MixMatches3(CMatchFinderMt *p, UInt32 matchMinPos, UInt32 *dista
MT_HASH3_CALC
curMatch2 = hash[ h2];
curMatch3 = hash[kFix3HashSize + h3];
curMatch3 = (hash + kFix3HashSize)[h3];
hash[ h2] = lzPos;
hash[kFix3HashSize + h3] = lzPos;
(hash + kFix3HashSize)[h3] = lzPos;
if (curMatch2 >= matchMinPos && cur[(ptrdiff_t)curMatch2 - lzPos] == cur[0])
{
@ -627,12 +636,12 @@ static UInt32 *MixMatches4(CMatchFinderMt *p, UInt32 matchMinPos, UInt32 *distan
MT_HASH4_CALC
curMatch2 = hash[ h2];
curMatch3 = hash[kFix3HashSize + h3];
curMatch4 = hash[kFix4HashSize + h4];
curMatch3 = (hash + kFix3HashSize)[h3];
curMatch4 = (hash + kFix4HashSize)[h4];
hash[ h2] = lzPos;
hash[kFix3HashSize + h3] = lzPos;
hash[kFix4HashSize + h4] = lzPos;
(hash + kFix3HashSize)[h3] = lzPos;
(hash + kFix4HashSize)[h4] = lzPos;
if (curMatch2 >= matchMinPos && cur[(ptrdiff_t)curMatch2 - lzPos] == cur[0])
{
@ -684,8 +693,12 @@ static UInt32 MatchFinderMt2_GetMatches(CMatchFinderMt *p, UInt32 *distances)
UInt32 i;
for (i = 0; i < len; i += 2)
{
*distances++ = *btBuf++;
*distances++ = *btBuf++;
UInt32 v0 = btBuf[0];
UInt32 v1 = btBuf[1];
btBuf += 2;
distances[0] = v0;
distances[1] = v1;
distances += 2;
}
}
INCREASE_LZ_POS
@ -712,8 +725,12 @@ static UInt32 MatchFinderMt_GetMatches(CMatchFinderMt *p, UInt32 *distances)
distances2 = p->MixMatchesFunc(p, p->lzPos - btBuf[1], distances);
do
{
*distances2++ = *btBuf++;
*distances2++ = *btBuf++;
UInt32 v0 = btBuf[0];
UInt32 v1 = btBuf[1];
btBuf += 2;
distances2[0] = v0;
distances2[1] = v1;
distances2 += 2;
}
while ((len -= 2) != 0);
len = (UInt32)(distances2 - (distances));
@ -746,7 +763,7 @@ static void MatchFinderMt3_Skip(CMatchFinderMt *p, UInt32 num)
SKIP_HEADER_MT(3)
UInt32 h2, h3;
MT_HASH3_CALC
hash[kFix3HashSize + h3] =
(hash + kFix3HashSize)[h3] =
hash[ h2] =
p->lzPos;
SKIP_FOOTER_MT
@ -758,8 +775,8 @@ static void MatchFinderMt4_Skip(CMatchFinderMt *p, UInt32 num)
SKIP_HEADER_MT(4)
UInt32 h2, h3, h4;
MT_HASH4_CALC
hash[kFix4HashSize + h4] =
hash[kFix3HashSize + h3] =
(hash + kFix4HashSize)[h4] =
(hash + kFix3HashSize)[h3] =
hash[ h2] =
p->lzPos;
SKIP_FOOTER_MT
@ -777,7 +794,7 @@ void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable)
{
case 2:
p->GetHeadsFunc = GetHeads2;
p->MixMatchesFunc = (Mf_Mix_Matches)0;
p->MixMatchesFunc = (Mf_Mix_Matches)NULL;
vTable->Skip = (Mf_Skip_Func)MatchFinderMt0_Skip;
vTable->GetMatches = (Mf_GetMatches_Func)MatchFinderMt2_GetMatches;
break;

View file

@ -1,5 +1,5 @@
/* LzFindMt.h -- multithreaded Match finder for LZ algorithms
2015-05-03 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#ifndef __LZ_FIND_MT_H
#define __LZ_FIND_MT_H
@ -90,9 +90,9 @@ typedef struct _CMatchFinderMt
} CMatchFinderMt;
void MatchFinderMt_Construct(CMatchFinderMt *p);
void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc);
void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAllocPtr alloc);
SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddBufferBefore,
UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc);
UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAllocPtr alloc);
void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable);
void MatchFinderMt_ReleaseStream(CMatchFinderMt *p);

View file

@ -1,5 +1,5 @@
/* Lzma2Dec.c -- LZMA2 Decoder
2015-11-09 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
/* #define SHOW_DEBUG_INFO */
@ -74,14 +74,14 @@ static SRes Lzma2Dec_GetOldProps(Byte prop, Byte *props)
return SZ_OK;
}
SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc)
SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc)
{
Byte props[LZMA_PROPS_SIZE];
RINOK(Lzma2Dec_GetOldProps(prop, props));
return LzmaDec_AllocateProbs(&p->decoder, props, LZMA_PROPS_SIZE, alloc);
}
SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc)
SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc)
{
Byte props[LZMA_PROPS_SIZE];
RINOK(Lzma2Dec_GetOldProps(prop, props));
@ -105,16 +105,16 @@ static ELzma2State Lzma2Dec_UpdateState(CLzma2Dec *p, Byte b)
p->control = b;
PRF(printf("\n %4X ", (unsigned)p->decoder.dicPos));
PRF(printf(" %2X", (unsigned)b));
if (p->control == 0)
if (b == 0)
return LZMA2_STATE_FINISHED;
if (LZMA2_IS_UNCOMPRESSED_STATE(p))
{
if ((p->control & 0x7F) > 2)
if (b > 2)
return LZMA2_STATE_ERROR;
p->unpackSize = 0;
}
else
p->unpackSize = (UInt32)(p->control & 0x1F) << 16;
p->unpackSize = (UInt32)(b & 0x1F) << 16;
return LZMA2_STATE_UNPACK0;
case LZMA2_STATE_UNPACK0:
@ -169,6 +169,7 @@ static void LzmaDec_UpdateWithUncompressed(CLzmaDec *p, const Byte *src, SizeT s
void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState);
SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status)
{
@ -176,12 +177,17 @@ SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
*srcLen = 0;
*status = LZMA_STATUS_NOT_SPECIFIED;
while (p->state != LZMA2_STATE_FINISHED)
while (p->state != LZMA2_STATE_ERROR)
{
SizeT dicPos = p->decoder.dicPos;
SizeT dicPos;
if (p->state == LZMA2_STATE_ERROR)
return SZ_ERROR_DATA;
if (p->state == LZMA2_STATE_FINISHED)
{
*status = LZMA_STATUS_FINISHED_WITH_MARK;
return SZ_OK;
}
dicPos = p->decoder.dicPos;
if (dicPos == dicLimit && finishMode == LZMA_FINISH_ANY)
{
@ -198,29 +204,25 @@ SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
}
(*srcLen)++;
p->state = Lzma2Dec_UpdateState(p, *src++);
if (dicPos == dicLimit && p->state != LZMA2_STATE_FINISHED)
{
p->state = LZMA2_STATE_ERROR;
return SZ_ERROR_DATA;
}
break;
continue;
}
{
SizeT destSizeCur = dicLimit - dicPos;
SizeT srcSizeCur = inSize - *srcLen;
SizeT inCur = inSize - *srcLen;
SizeT outCur = dicLimit - dicPos;
ELzmaFinishMode curFinishMode = LZMA_FINISH_ANY;
if (p->unpackSize <= destSizeCur)
if (outCur >= p->unpackSize)
{
destSizeCur = (SizeT)p->unpackSize;
outCur = (SizeT)p->unpackSize;
curFinishMode = LZMA_FINISH_END;
}
if (LZMA2_IS_UNCOMPRESSED_STATE(p))
{
if (*srcLen == inSize)
if (inCur == 0)
{
*status = LZMA_STATUS_NEEDS_MORE_INPUT;
return SZ_OK;
@ -232,33 +234,25 @@ SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
if (initDic)
p->needInitProp = p->needInitState = True;
else if (p->needInitDic)
{
p->state = LZMA2_STATE_ERROR;
return SZ_ERROR_DATA;
}
break;
p->needInitDic = False;
LzmaDec_InitDicAndState(&p->decoder, initDic, False);
}
if (srcSizeCur > destSizeCur)
srcSizeCur = destSizeCur;
if (inCur > outCur)
inCur = outCur;
if (inCur == 0)
break;
if (srcSizeCur == 0)
{
p->state = LZMA2_STATE_ERROR;
return SZ_ERROR_DATA;
}
LzmaDec_UpdateWithUncompressed(&p->decoder, src, inCur);
LzmaDec_UpdateWithUncompressed(&p->decoder, src, srcSizeCur);
src += srcSizeCur;
*srcLen += srcSizeCur;
p->unpackSize -= (UInt32)srcSizeCur;
src += inCur;
*srcLen += inCur;
p->unpackSize -= (UInt32)inCur;
p->state = (p->unpackSize == 0) ? LZMA2_STATE_CONTROL : LZMA2_STATE_DATA_CONT;
}
else
{
SizeT outSizeProcessed;
SRes res;
if (p->state == LZMA2_STATE_DATA)
@ -267,10 +261,7 @@ SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
Bool initDic = (mode == 3);
Bool initState = (mode != 0);
if ((!initDic && p->needInitDic) || (!initState && p->needInitState))
{
p->state = LZMA2_STATE_ERROR;
return SZ_ERROR_DATA;
}
break;
LzmaDec_InitDicAndState(&p->decoder, initDic, initState);
p->needInitDic = False;
@ -278,85 +269,90 @@ SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
p->state = LZMA2_STATE_DATA_CONT;
}
if (srcSizeCur > p->packSize)
srcSizeCur = (SizeT)p->packSize;
if (inCur > p->packSize)
inCur = (SizeT)p->packSize;
res = LzmaDec_DecodeToDic(&p->decoder, dicPos + destSizeCur, src, &srcSizeCur, curFinishMode, status);
res = LzmaDec_DecodeToDic(&p->decoder, dicPos + outCur, src, &inCur, curFinishMode, status);
src += srcSizeCur;
*srcLen += srcSizeCur;
p->packSize -= (UInt32)srcSizeCur;
src += inCur;
*srcLen += inCur;
p->packSize -= (UInt32)inCur;
outCur = p->decoder.dicPos - dicPos;
p->unpackSize -= (UInt32)outCur;
outSizeProcessed = p->decoder.dicPos - dicPos;
p->unpackSize -= (UInt32)outSizeProcessed;
if (res != 0)
break;
RINOK(res);
if (*status == LZMA_STATUS_NEEDS_MORE_INPUT)
return res;
{
if (p->packSize == 0)
break;
return SZ_OK;
}
if (srcSizeCur == 0 && outSizeProcessed == 0)
if (inCur == 0 && outCur == 0)
{
if (*status != LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK
|| p->unpackSize != 0
|| p->packSize != 0)
{
p->state = LZMA2_STATE_ERROR;
return SZ_ERROR_DATA;
}
break;
p->state = LZMA2_STATE_CONTROL;
}
if (*status == LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK)
*status = LZMA_STATUS_NOT_FINISHED;
*status = LZMA_STATUS_NOT_SPECIFIED;
}
}
}
*status = LZMA_STATUS_FINISHED_WITH_MARK;
return SZ_OK;
*status = LZMA_STATUS_NOT_SPECIFIED;
p->state = LZMA2_STATE_ERROR;
return SZ_ERROR_DATA;
}
SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status)
{
SizeT outSize = *destLen, inSize = *srcLen;
*srcLen = *destLen = 0;
for (;;)
{
SizeT srcSizeCur = inSize, outSizeCur, dicPos;
SizeT inCur = inSize, outCur, dicPos;
ELzmaFinishMode curFinishMode;
SRes res;
if (p->decoder.dicPos == p->decoder.dicBufSize)
p->decoder.dicPos = 0;
dicPos = p->decoder.dicPos;
if (outSize > p->decoder.dicBufSize - dicPos)
curFinishMode = LZMA_FINISH_ANY;
outCur = p->decoder.dicBufSize - dicPos;
if (outCur >= outSize)
{
outSizeCur = p->decoder.dicBufSize;
curFinishMode = LZMA_FINISH_ANY;
}
else
{
outSizeCur = dicPos + outSize;
outCur = outSize;
curFinishMode = finishMode;
}
res = Lzma2Dec_DecodeToDic(p, outSizeCur, src, &srcSizeCur, curFinishMode, status);
src += srcSizeCur;
inSize -= srcSizeCur;
*srcLen += srcSizeCur;
outSizeCur = p->decoder.dicPos - dicPos;
memcpy(dest, p->decoder.dic + dicPos, outSizeCur);
dest += outSizeCur;
outSize -= outSizeCur;
*destLen += outSizeCur;
res = Lzma2Dec_DecodeToDic(p, dicPos + outCur, src, &inCur, curFinishMode, status);
src += inCur;
inSize -= inCur;
*srcLen += inCur;
outCur = p->decoder.dicPos - dicPos;
memcpy(dest, p->decoder.dic + dicPos, outCur);
dest += outCur;
outSize -= outCur;
*destLen += outCur;
if (res != 0)
return res;
if (outSizeCur == 0 || outSize == 0)
if (outCur == 0 || outSize == 0)
return SZ_OK;
}
}
SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc)
Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAllocPtr alloc)
{
CLzma2Dec p;
SRes res;

View file

@ -1,5 +1,5 @@
/* Lzma2Dec.h -- LZMA2 Decoder
2015-05-13 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#ifndef __LZMA2_DEC_H
#define __LZMA2_DEC_H
@ -26,8 +26,8 @@ typedef struct
#define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc);
#define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc);
SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc);
SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc);
SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc);
SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc);
void Lzma2Dec_Init(CLzma2Dec *p);
@ -73,7 +73,7 @@ Returns:
*/
SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc);
Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAllocPtr alloc);
EXTERN_C_END

View file

@ -1,5 +1,5 @@
/* LzmaDec.c -- LZMA Decoder
2015-06-23 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -294,14 +294,14 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte
#ifdef _LZMA_SIZE_OPT
{
unsigned limit, offset;
unsigned lim, offset;
CLzmaProb *probLen = prob + LenChoice;
IF_BIT_0(probLen)
{
UPDATE_0(probLen);
probLen = prob + LenLow + (posState << kLenNumLowBits);
offset = 0;
limit = (1 << kLenNumLowBits);
lim = (1 << kLenNumLowBits);
}
else
{
@ -312,17 +312,17 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte
UPDATE_0(probLen);
probLen = prob + LenMid + (posState << kLenNumMidBits);
offset = kLenNumLowSymbols;
limit = (1 << kLenNumMidBits);
lim = (1 << kLenNumMidBits);
}
else
{
UPDATE_1(probLen);
probLen = prob + LenHigh;
offset = kLenNumLowSymbols + kLenNumMidSymbols;
limit = (1 << kLenNumHighBits);
lim = (1 << kLenNumHighBits);
}
}
TREE_DECODE(probLen, limit, len);
TREE_DECODE(probLen, lim, len);
len += offset;
}
#else
@ -975,19 +975,19 @@ SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *sr
}
}
void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc)
void LzmaDec_FreeProbs(CLzmaDec *p, ISzAllocPtr alloc)
{
alloc->Free(alloc, p->probs);
ISzAlloc_Free(alloc, p->probs);
p->probs = NULL;
}
static void LzmaDec_FreeDict(CLzmaDec *p, ISzAlloc *alloc)
static void LzmaDec_FreeDict(CLzmaDec *p, ISzAllocPtr alloc)
{
alloc->Free(alloc, p->dic);
ISzAlloc_Free(alloc, p->dic);
p->dic = NULL;
}
void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc)
void LzmaDec_Free(CLzmaDec *p, ISzAllocPtr alloc)
{
LzmaDec_FreeProbs(p, alloc);
LzmaDec_FreeDict(p, alloc);
@ -1019,13 +1019,13 @@ SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size)
return SZ_OK;
}
static SRes LzmaDec_AllocateProbs2(CLzmaDec *p, const CLzmaProps *propNew, ISzAlloc *alloc)
static SRes LzmaDec_AllocateProbs2(CLzmaDec *p, const CLzmaProps *propNew, ISzAllocPtr alloc)
{
UInt32 numProbs = LzmaProps_GetNumProbs(propNew);
if (!p->probs || numProbs != p->numProbs)
{
LzmaDec_FreeProbs(p, alloc);
p->probs = (CLzmaProb *)alloc->Alloc(alloc, numProbs * sizeof(CLzmaProb));
p->probs = (CLzmaProb *)ISzAlloc_Alloc(alloc, numProbs * sizeof(CLzmaProb));
p->numProbs = numProbs;
if (!p->probs)
return SZ_ERROR_MEM;
@ -1033,7 +1033,7 @@ static SRes LzmaDec_AllocateProbs2(CLzmaDec *p, const CLzmaProps *propNew, ISzAl
return SZ_OK;
}
SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAllocPtr alloc)
{
CLzmaProps propNew;
RINOK(LzmaProps_Decode(&propNew, props, propsSize));
@ -1042,7 +1042,7 @@ SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, I
return SZ_OK;
}
SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAllocPtr alloc)
{
CLzmaProps propNew;
SizeT dicBufSize;
@ -1062,7 +1062,7 @@ SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAll
if (!p->dic || dicBufSize != p->dicBufSize)
{
LzmaDec_FreeDict(p, alloc);
p->dic = (Byte *)alloc->Alloc(alloc, dicBufSize);
p->dic = (Byte *)ISzAlloc_Alloc(alloc, dicBufSize);
if (!p->dic)
{
LzmaDec_FreeProbs(p, alloc);
@ -1076,7 +1076,7 @@ SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAll
SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode,
ELzmaStatus *status, ISzAlloc *alloc)
ELzmaStatus *status, ISzAllocPtr alloc)
{
CLzmaDec p;
SRes res;

View file

@ -1,5 +1,5 @@
/* LzmaDec.h -- LZMA Decoder
2013-01-18 : Igor Pavlov : Public domain */
2017-04-03 : Igor Pavlov : Public domain */
#ifndef __LZMA_DEC_H
#define __LZMA_DEC_H
@ -129,11 +129,11 @@ LzmaDec_Allocate* can return:
SZ_ERROR_UNSUPPORTED - Unsupported properties
*/
SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc);
void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc);
SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAllocPtr alloc);
void LzmaDec_FreeProbs(CLzmaDec *p, ISzAllocPtr alloc);
SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc);
void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc);
SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAllocPtr alloc);
void LzmaDec_Free(CLzmaDec *state, ISzAllocPtr alloc);
/* ---------- Dictionary Interface ---------- */
@ -220,7 +220,7 @@ Returns:
SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode,
ELzmaStatus *status, ISzAlloc *alloc);
ELzmaStatus *status, ISzAllocPtr alloc);
EXTERN_C_END

View file

@ -1,5 +1,5 @@
/* LzmaEnc.c -- LZMA Encoder
2015-11-08 : Igor Pavlov : Public domain */
2017-06-22 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -23,8 +23,8 @@
static unsigned g_STAT_OFFSET = 0;
#endif
#define kMaxHistorySize ((UInt32)3 << 29)
/* #define kMaxHistorySize ((UInt32)7 << 29) */
#define kLzmaMaxHistorySize ((UInt32)3 << 29)
/* #define kLzmaMaxHistorySize ((UInt32)7 << 29) */
#define kBlockSizeMax ((1 << LZMA_NUM_BLOCK_SIZE_BITS) - 1)
@ -62,14 +62,15 @@ void LzmaEncProps_Normalize(CLzmaEncProps *p)
if (level < 0) level = 5;
p->level = level;
if (p->dictSize == 0) p->dictSize = (level <= 5 ? (1 << (level * 2 + 14)) : (level == 6 ? (1 << 25) : (1 << 26)));
if (p->dictSize == 0) p->dictSize = (level <= 5 ? (1 << (level * 2 + 14)) : (level <= 7 ? (1 << 25) : (1 << 26)));
if (p->dictSize > p->reduceSize)
{
unsigned i;
UInt32 reduceSize = (UInt32)p->reduceSize;
for (i = 11; i <= 30; i++)
{
if ((UInt32)p->reduceSize <= ((UInt32)2 << i)) { p->dictSize = ((UInt32)2 << i); break; }
if ((UInt32)p->reduceSize <= ((UInt32)3 << i)) { p->dictSize = ((UInt32)3 << i); break; }
if (reduceSize <= ((UInt32)2 << i)) { p->dictSize = ((UInt32)2 << i); break; }
if (reduceSize <= ((UInt32)3 << i)) { p->dictSize = ((UInt32)3 << i); break; }
}
}
@ -108,7 +109,7 @@ UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2)
#define kDicLogSizeMaxCompress 32
#define BSR2_RET(pos, res) { unsigned long i; _BitScanReverse(&i, (pos)); res = (i + i) + ((pos >> (i - 1)) & 1); }
#define BSR2_RET(pos, res) { unsigned long zz; _BitScanReverse(&zz, (pos)); res = (zz + zz) + ((pos >> (zz - 1)) & 1); }
static UInt32 GetPosSlot1(UInt32 pos)
{
@ -145,19 +146,19 @@ static void LzmaEnc_FastPosInit(Byte *g_FastPos)
/* we can use ((limit - pos) >> 31) only if (pos < ((UInt32)1 << 31)) */
/*
#define BSR2_RET(pos, res) { UInt32 i = 6 + ((kNumLogBits - 1) & \
#define BSR2_RET(pos, res) { UInt32 zz = 6 + ((kNumLogBits - 1) & \
(0 - (((((UInt32)1 << (kNumLogBits + 6)) - 1) - pos) >> 31))); \
res = p->g_FastPos[pos >> i] + (i * 2); }
res = p->g_FastPos[pos >> zz] + (zz * 2); }
*/
/*
#define BSR2_RET(pos, res) { UInt32 i = 6 + ((kNumLogBits - 1) & \
#define BSR2_RET(pos, res) { UInt32 zz = 6 + ((kNumLogBits - 1) & \
(0 - (((((UInt32)1 << (kNumLogBits)) - 1) - (pos >> 6)) >> 31))); \
res = p->g_FastPos[pos >> i] + (i * 2); }
res = p->g_FastPos[pos >> zz] + (zz * 2); }
*/
#define BSR2_RET(pos, res) { UInt32 i = (pos < (1 << (kNumLogBits + 6))) ? 6 : 6 + kNumLogBits - 1; \
res = p->g_FastPos[pos >> i] + (i * 2); }
#define BSR2_RET(pos, res) { UInt32 zz = (pos < (1 << (kNumLogBits + 6))) ? 6 : 6 + kNumLogBits - 1; \
res = p->g_FastPos[pos >> zz] + (zz * 2); }
/*
#define BSR2_RET(pos, res) { res = (pos < (1 << (kNumLogBits + 6))) ? \
@ -445,7 +446,7 @@ SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEncProps *props2)
|| props.lp > LZMA_LP_MAX
|| props.pb > LZMA_PB_MAX
|| props.dictSize > ((UInt64)1 << kDicLogSizeMaxCompress)
|| props.dictSize > kMaxHistorySize)
|| props.dictSize > kLzmaMaxHistorySize)
return SZ_ERROR_PARAM;
p->dictSize = props.dictSize;
@ -492,6 +493,15 @@ SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEncProps *props2)
return SZ_OK;
}
void LzmaEnc_SetDataSize(CLzmaEncHandle pp, UInt64 expectedDataSiize)
{
CLzmaEnc *p = (CLzmaEnc *)pp;
p->matchFinderBase.expectedDataSize = expectedDataSiize;
}
static const int kLiteralNextStates[kNumStates] = {0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5};
static const int kMatchNextStates[kNumStates] = {7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10};
static const int kRepNextStates[kNumStates] = {8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11};
@ -512,11 +522,11 @@ static void RangeEnc_Construct(CRangeEnc *p)
#define RangeEnc_GetProcessed(p) ((p)->processed + ((p)->buf - (p)->bufBase) + (p)->cacheSize)
#define RC_BUF_SIZE (1 << 16)
static int RangeEnc_Alloc(CRangeEnc *p, ISzAlloc *alloc)
static int RangeEnc_Alloc(CRangeEnc *p, ISzAllocPtr alloc)
{
if (!p->bufBase)
{
p->bufBase = (Byte *)alloc->Alloc(alloc, RC_BUF_SIZE);
p->bufBase = (Byte *)ISzAlloc_Alloc(alloc, RC_BUF_SIZE);
if (!p->bufBase)
return 0;
p->bufLim = p->bufBase + RC_BUF_SIZE;
@ -524,9 +534,9 @@ static int RangeEnc_Alloc(CRangeEnc *p, ISzAlloc *alloc)
return 1;
}
static void RangeEnc_Free(CRangeEnc *p, ISzAlloc *alloc)
static void RangeEnc_Free(CRangeEnc *p, ISzAllocPtr alloc)
{
alloc->Free(alloc, p->bufBase);
ISzAlloc_Free(alloc, p->bufBase);
p->bufBase = 0;
}
@ -550,7 +560,7 @@ static void RangeEnc_FlushStream(CRangeEnc *p)
if (p->res != SZ_OK)
return;
num = p->buf - p->bufBase;
if (num != p->outStream->Write(p->outStream, p->bufBase, num))
if (num != ISeqOutStream_Write(p->outStream, p->bufBase, num))
p->res = SZ_ERROR_WRITE;
p->processed += num;
p->buf = p->bufBase;
@ -882,7 +892,7 @@ static UInt32 ReadMatchDistances(CLzmaEnc *p, UInt32 *numDistancePairsRes)
if (numPairs > 0)
{
lenRes = p->matches[numPairs - 2];
lenRes = p->matches[(size_t)numPairs - 2];
if (lenRes == p->numFastBytes)
{
UInt32 numAvail = p->numAvail;
@ -891,7 +901,7 @@ static UInt32 ReadMatchDistances(CLzmaEnc *p, UInt32 *numDistancePairsRes)
{
const Byte *pbyCur = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;
const Byte *pby = pbyCur + lenRes;
ptrdiff_t dif = (ptrdiff_t)-1 - p->matches[numPairs - 1];
ptrdiff_t dif = (ptrdiff_t)-1 - p->matches[(size_t)numPairs - 1];
const Byte *pbyLim = pbyCur + numAvail;
for (; pby != pbyLim && *pby == pby[dif]; pby++);
lenRes = (UInt32)(pby - pbyCur);
@ -939,7 +949,7 @@ static UInt32 GetPureRepPrice(CLzmaEnc *p, UInt32 repIndex, UInt32 state, UInt32
static UInt32 GetRepPrice(CLzmaEnc *p, UInt32 repIndex, UInt32 len, UInt32 state, UInt32 posState)
{
return p->repLenEnc.prices[posState][len - LZMA_MATCH_LEN_MIN] +
return p->repLenEnc.prices[posState][(size_t)len - LZMA_MATCH_LEN_MIN] +
GetPureRepPrice(p, repIndex, state, posState);
}
@ -956,9 +966,9 @@ static UInt32 Backward(CLzmaEnc *p, UInt32 *backRes, UInt32 cur)
p->opt[posMem].posPrev = posMem - 1;
if (p->opt[cur].prev2)
{
p->opt[posMem - 1].prev1IsChar = False;
p->opt[posMem - 1].posPrev = p->opt[cur].posPrev2;
p->opt[posMem - 1].backPrev = p->opt[cur].backPrev2;
p->opt[(size_t)posMem - 1].prev1IsChar = False;
p->opt[(size_t)posMem - 1].posPrev = p->opt[cur].posPrev2;
p->opt[(size_t)posMem - 1].backPrev = p->opt[cur].backPrev2;
}
}
{
@ -983,12 +993,17 @@ static UInt32 Backward(CLzmaEnc *p, UInt32 *backRes, UInt32 cur)
static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
{
UInt32 numAvail, mainLen, numPairs, repMaxIndex, i, posState, lenEnd, len, cur;
UInt32 matchPrice, repMatchPrice, normalMatchPrice;
UInt32 lenEnd, cur;
UInt32 reps[LZMA_NUM_REPS], repLens[LZMA_NUM_REPS];
UInt32 *matches;
{
UInt32 numAvail, mainLen, numPairs, repMaxIndex, i, posState, len;
UInt32 matchPrice, repMatchPrice, normalMatchPrice;
const Byte *data;
Byte curByte, matchByte;
if (p->optimumEndIndex != p->optimumCurrentIndex)
{
const COptimal *opt = &p->opt[p->optimumCurrentIndex];
@ -1046,7 +1061,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
matches = p->matches;
if (mainLen >= p->numFastBytes)
{
*backRes = matches[numPairs - 1] + LZMA_NUM_REPS;
*backRes = matches[(size_t)numPairs - 1] + LZMA_NUM_REPS;
MovePos(p, mainLen - 1);
return mainLen;
}
@ -1111,7 +1126,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
price = repMatchPrice + GetPureRepPrice(p, i, p->state, posState);
do
{
UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][repLen - 2];
UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][(size_t)repLen - 2];
COptimal *opt = &p->opt[repLen];
if (curAndLenPrice < opt->price)
{
@ -1135,9 +1150,9 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
for (; ; len++)
{
COptimal *opt;
UInt32 distance = matches[offs + 1];
UInt32 distance = matches[(size_t)offs + 1];
UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][len - LZMA_MATCH_LEN_MIN];
UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][(size_t)len - LZMA_MATCH_LEN_MIN];
UInt32 lenToPosState = GetLenToPosState(len);
if (distance < kNumFullDistances)
curAndLenPrice += p->distancesPrices[lenToPosState][distance];
@ -1176,8 +1191,11 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
}
#endif
}
for (;;)
{
UInt32 numAvail;
UInt32 numAvailFull, newLen, numPairs, posPrev, state, posState, startLen;
UInt32 curPrice, curAnd1Price, matchPrice, repMatchPrice;
Bool nextIsChar;
@ -1248,7 +1266,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
UInt32 i;
reps[0] = prevOpt->backs[pos];
for (i = 1; i <= pos; i++)
reps[i] = prevOpt->backs[i - 1];
reps[i] = prevOpt->backs[(size_t)i - 1];
for (; i < LZMA_NUM_REPS; i++)
reps[i] = prevOpt->backs[i];
}
@ -1257,7 +1275,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
UInt32 i;
reps[0] = (pos - LZMA_NUM_REPS);
for (i = 1; i < LZMA_NUM_REPS; i++)
reps[i] = prevOpt->backs[i - 1];
reps[i] = prevOpt->backs[(size_t)i - 1];
}
}
curOpt->state = (CState)state;
@ -1284,7 +1302,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
LitEnc_GetPrice(probs, curByte, p->ProbPrices));
}
nextOpt = &p->opt[cur + 1];
nextOpt = &p->opt[(size_t)cur + 1];
if (curAnd1Price < nextOpt->price)
{
@ -1377,7 +1395,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
price = repMatchPrice + GetPureRepPrice(p, repIndex, state, posState);
do
{
UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][lenTest - 2];
UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][(size_t)lenTest - 2];
COptimal *opt = &p->opt[cur + lenTest];
if (curAndLenPrice < opt->price)
{
@ -1407,9 +1425,9 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
UInt32 state2 = kRepNextStates[state];
UInt32 posStateNext = (position + lenTest) & p->pbMask;
UInt32 curAndLenCharPrice =
price + p->repLenEnc.prices[posState][lenTest - 2] +
price + p->repLenEnc.prices[posState][(size_t)lenTest - 2] +
GET_PRICE_0(p->isMatch[state2][posStateNext]) +
LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[lenTest - 1]),
LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[(size_t)lenTest - 1]),
data[lenTest], data2[lenTest], p->ProbPrices);
state2 = kLiteralNextStates[state2];
posStateNext = (position + lenTest + 1) & p->pbMask;
@ -1460,11 +1478,12 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
offs = 0;
while (startLen > matches[offs])
offs += 2;
curBack = matches[offs + 1];
curBack = matches[(size_t)offs + 1];
GetPosSlot2(curBack, posSlot);
for (lenTest = /*2*/ startLen; ; lenTest++)
{
UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][lenTest - LZMA_MATCH_LEN_MIN];
UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][(size_t)lenTest - LZMA_MATCH_LEN_MIN];
{
UInt32 lenToPosState = GetLenToPosState(lenTest);
COptimal *opt;
if (curBack < kNumFullDistances)
@ -1480,6 +1499,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
opt->backPrev = curBack + LZMA_NUM_REPS;
opt->prev1IsChar = False;
}
}
if (/*_maxMode && */lenTest == matches[offs])
{
@ -1498,7 +1518,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
UInt32 posStateNext = (position + lenTest) & p->pbMask;
UInt32 curAndLenCharPrice = curAndLenPrice +
GET_PRICE_0(p->isMatch[state2][posStateNext]) +
LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[lenTest - 1]),
LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[(size_t)lenTest - 1]),
data[lenTest], data2[lenTest], p->ProbPrices);
state2 = kLiteralNextStates[state2];
posStateNext = (posStateNext + 1) & p->pbMask;
@ -1509,15 +1529,15 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
/* for (; lenTest2 >= 2; lenTest2--) */
{
UInt32 offset = cur + lenTest + 1 + lenTest2;
UInt32 curAndLenPrice;
UInt32 curAndLenPrice2;
COptimal *opt;
while (lenEnd < offset)
p->opt[++lenEnd].price = kInfinityPrice;
curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext);
curAndLenPrice2 = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext);
opt = &p->opt[offset];
if (curAndLenPrice < opt->price)
if (curAndLenPrice2 < opt->price)
{
opt->price = curAndLenPrice;
opt->price = curAndLenPrice2;
opt->posPrev = cur + lenTest + 1;
opt->backPrev = 0;
opt->prev1IsChar = True;
@ -1530,7 +1550,7 @@ static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes)
offs += 2;
if (offs == numPairs)
break;
curBack = matches[offs + 1];
curBack = matches[(size_t)offs + 1];
if (curBack >= kNumFullDistances)
GetPosSlot2(curBack, posSlot);
}
@ -1587,7 +1607,7 @@ static UInt32 GetOptimumFast(CLzmaEnc *p, UInt32 *backRes)
matches = p->matches;
if (mainLen >= p->numFastBytes)
{
*backRes = matches[numPairs - 1] + LZMA_NUM_REPS;
*backRes = matches[(size_t)numPairs - 1] + LZMA_NUM_REPS;
MovePos(p, mainLen - 1);
return mainLen;
}
@ -1595,14 +1615,14 @@ static UInt32 GetOptimumFast(CLzmaEnc *p, UInt32 *backRes)
mainDist = 0; /* for GCC */
if (mainLen >= 2)
{
mainDist = matches[numPairs - 1];
while (numPairs > 2 && mainLen == matches[numPairs - 4] + 1)
mainDist = matches[(size_t)numPairs - 1];
while (numPairs > 2 && mainLen == matches[(size_t)numPairs - 4] + 1)
{
if (!ChangePair(matches[numPairs - 3], mainDist))
if (!ChangePair(matches[(size_t)numPairs - 3], mainDist))
break;
numPairs -= 2;
mainLen = matches[numPairs - 2];
mainDist = matches[numPairs - 1];
mainLen = matches[(size_t)numPairs - 2];
mainDist = matches[(size_t)numPairs - 1];
}
if (mainLen == 2 && mainDist >= 0x80)
mainLen = 1;
@ -1624,7 +1644,7 @@ static UInt32 GetOptimumFast(CLzmaEnc *p, UInt32 *backRes)
p->longestMatchLength = ReadMatchDistances(p, &p->numPairs);
if (p->longestMatchLength >= 2)
{
UInt32 newDistance = matches[p->numPairs - 1];
UInt32 newDistance = matches[(size_t)p->numPairs - 1];
if ((p->longestMatchLength >= mainLen && newDistance < mainDist) ||
(p->longestMatchLength == mainLen + 1 && !ChangePair(mainDist, newDistance)) ||
(p->longestMatchLength > mainLen + 1) ||
@ -1718,7 +1738,6 @@ static void FillDistancesPrices(CLzmaEnc *p)
{
UInt32 *distancesPrices = p->distancesPrices[lenToPosState];
UInt32 i;
for (i = 0; i < kStartPosModelIndex; i++)
distancesPrices[i] = posSlotPrices[i];
for (; i < kNumFullDistances; i++)
@ -1753,24 +1772,24 @@ void LzmaEnc_Construct(CLzmaEnc *p)
p->saveState.litProbs = NULL;
}
CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc)
CLzmaEncHandle LzmaEnc_Create(ISzAllocPtr alloc)
{
void *p;
p = alloc->Alloc(alloc, sizeof(CLzmaEnc));
p = ISzAlloc_Alloc(alloc, sizeof(CLzmaEnc));
if (p)
LzmaEnc_Construct((CLzmaEnc *)p);
return p;
}
void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc)
void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAllocPtr alloc)
{
alloc->Free(alloc, p->litProbs);
alloc->Free(alloc, p->saveState.litProbs);
ISzAlloc_Free(alloc, p->litProbs);
ISzAlloc_Free(alloc, p->saveState.litProbs);
p->litProbs = NULL;
p->saveState.litProbs = NULL;
}
void LzmaEnc_Destruct(CLzmaEnc *p, ISzAlloc *alloc, ISzAlloc *allocBig)
void LzmaEnc_Destruct(CLzmaEnc *p, ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
#ifndef _7ZIP_ST
MatchFinderMt_Destruct(&p->matchFinderMt, allocBig);
@ -1781,10 +1800,10 @@ void LzmaEnc_Destruct(CLzmaEnc *p, ISzAlloc *alloc, ISzAlloc *allocBig)
RangeEnc_Free(&p->rc, alloc);
}
void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig)
void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
LzmaEnc_Destruct((CLzmaEnc *)p, alloc, allocBig);
alloc->Free(alloc, p);
ISzAlloc_Free(alloc, p);
}
static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, Bool useLimits, UInt32 maxPackSize, UInt32 maxUnpackSize)
@ -1951,7 +1970,7 @@ static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, Bool useLimits, UInt32 maxPackSize
#define kBigHashDicLimit ((UInt32)1 << 24)
static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig)
static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
UInt32 beforeSize = kNumOpts;
if (!RangeEnc_Alloc(&p->rc, alloc))
@ -1966,8 +1985,8 @@ static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, I
if (!p->litProbs || !p->saveState.litProbs || p->lclp != lclp)
{
LzmaEnc_FreeLits(p, alloc);
p->litProbs = (CLzmaProb *)alloc->Alloc(alloc, ((UInt32)0x300 << lclp) * sizeof(CLzmaProb));
p->saveState.litProbs = (CLzmaProb *)alloc->Alloc(alloc, ((UInt32)0x300 << lclp) * sizeof(CLzmaProb));
p->litProbs = (CLzmaProb *)ISzAlloc_Alloc(alloc, ((UInt32)0x300 << lclp) * sizeof(CLzmaProb));
p->saveState.litProbs = (CLzmaProb *)ISzAlloc_Alloc(alloc, ((UInt32)0x300 << lclp) * sizeof(CLzmaProb));
if (!p->litProbs || !p->saveState.litProbs)
{
LzmaEnc_FreeLits(p, alloc);
@ -1987,6 +2006,8 @@ static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, I
{
RINOK(MatchFinderMt_Create(&p->matchFinderMt, p->dictSize, beforeSize, p->numFastBytes, LZMA_MATCH_LEN_MAX, allocBig));
p->matchFinderObj = &p->matchFinderMt;
p->matchFinderBase.bigHash = (Byte)(
(p->dictSize > kBigHashDicLimit && p->matchFinderBase.hashMask >= 0xFFFFFF) ? 1 : 0);
MatchFinderMt_CreateVTable(&p->matchFinderMt, &p->matchFinder);
}
else
@ -2075,7 +2096,7 @@ void LzmaEnc_InitPrices(CLzmaEnc *p)
LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, p->ProbPrices);
}
static SRes LzmaEnc_AllocAndInit(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig)
static SRes LzmaEnc_AllocAndInit(CLzmaEnc *p, UInt32 keepWindowSize, ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
UInt32 i;
for (i = 0; i < (UInt32)kDicLogSizeMaxCompress; i++)
@ -2093,7 +2114,7 @@ static SRes LzmaEnc_AllocAndInit(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *a
}
static SRes LzmaEnc_Prepare(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream,
ISzAlloc *alloc, ISzAlloc *allocBig)
ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
CLzmaEnc *p = (CLzmaEnc *)pp;
p->matchFinderBase.stream = inStream;
@ -2104,7 +2125,7 @@ static SRes LzmaEnc_Prepare(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInS
SRes LzmaEnc_PrepareForLzma2(CLzmaEncHandle pp,
ISeqInStream *inStream, UInt32 keepWindowSize,
ISzAlloc *alloc, ISzAlloc *allocBig)
ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
CLzmaEnc *p = (CLzmaEnc *)pp;
p->matchFinderBase.stream = inStream;
@ -2120,12 +2141,13 @@ static void LzmaEnc_SetInputBuf(CLzmaEnc *p, const Byte *src, SizeT srcLen)
}
SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen,
UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig)
UInt32 keepWindowSize, ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
CLzmaEnc *p = (CLzmaEnc *)pp;
LzmaEnc_SetInputBuf(p, src, srcLen);
p->needInit = 1;
LzmaEnc_SetDataSize(pp, srcLen);
return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig);
}
@ -2143,15 +2165,15 @@ void LzmaEnc_Finish(CLzmaEncHandle pp)
typedef struct
{
ISeqOutStream funcTable;
ISeqOutStream vt;
Byte *data;
SizeT rem;
Bool overflow;
} CSeqOutStreamBuf;
} CLzmaEnc_SeqOutStreamBuf;
static size_t MyWrite(void *pp, const void *data, size_t size)
static size_t SeqOutStreamBuf_Write(const ISeqOutStream *pp, const void *data, size_t size)
{
CSeqOutStreamBuf *p = (CSeqOutStreamBuf *)pp;
CLzmaEnc_SeqOutStreamBuf *p = CONTAINER_FROM_VTBL(pp, CLzmaEnc_SeqOutStreamBuf, vt);
if (p->rem < size)
{
size = p->rem;
@ -2184,9 +2206,9 @@ SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit,
CLzmaEnc *p = (CLzmaEnc *)pp;
UInt64 nowPos64;
SRes res;
CSeqOutStreamBuf outStream;
CLzmaEnc_SeqOutStreamBuf outStream;
outStream.funcTable.Write = MyWrite;
outStream.vt.Write = SeqOutStreamBuf_Write;
outStream.data = dest;
outStream.rem = *destLen;
outStream.overflow = False;
@ -2200,7 +2222,7 @@ SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit,
LzmaEnc_InitPrices(p);
nowPos64 = p->nowPos64;
RangeEnc_Init(&p->rc);
p->rc.outStream = &outStream.funcTable;
p->rc.outStream = &outStream.vt;
res = LzmaEnc_CodeOneBlock(p, True, desiredPackSize, *unpackSize);
@ -2230,7 +2252,7 @@ static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress)
break;
if (progress)
{
res = progress->Progress(progress, p->nowPos64, RangeEnc_GetProcessed(&p->rc));
res = ICompressProgress_Progress(progress, p->nowPos64, RangeEnc_GetProcessed(&p->rc));
if (res != SZ_OK)
{
res = SZ_ERROR_PROGRESS;
@ -2242,7 +2264,7 @@ static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress)
LzmaEnc_Finish(p);
/*
if (res == S_OK && !Inline_MatchFinder_IsFinishedOK(&p->matchFinderBase))
if (res == SZ_OK && !Inline_MatchFinder_IsFinishedOK(&p->matchFinderBase))
res = SZ_ERROR_FAIL;
}
*/
@ -2252,7 +2274,7 @@ static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress)
SRes LzmaEnc_Encode(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress,
ISzAlloc *alloc, ISzAlloc *allocBig)
ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
RINOK(LzmaEnc_Prepare(pp, outStream, inStream, alloc, allocBig));
return LzmaEnc_Encode2((CLzmaEnc *)pp, progress);
@ -2287,21 +2309,27 @@ SRes LzmaEnc_WriteProperties(CLzmaEncHandle pp, Byte *props, SizeT *size)
}
unsigned LzmaEnc_IsWriteEndMark(CLzmaEncHandle pp)
{
return ((CLzmaEnc *)pp)->writeEndMark;
}
SRes LzmaEnc_MemEncode(CLzmaEncHandle pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig)
int writeEndMark, ICompressProgress *progress, ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
SRes res;
CLzmaEnc *p = (CLzmaEnc *)pp;
CSeqOutStreamBuf outStream;
CLzmaEnc_SeqOutStreamBuf outStream;
outStream.funcTable.Write = MyWrite;
outStream.vt.Write = SeqOutStreamBuf_Write;
outStream.data = dest;
outStream.rem = *destLen;
outStream.overflow = False;
p->writeEndMark = writeEndMark;
p->rc.outStream = &outStream.funcTable;
p->rc.outStream = &outStream.vt;
res = LzmaEnc_MemPrepare(pp, src, srcLen, 0, alloc, allocBig);
@ -2321,7 +2349,7 @@ SRes LzmaEnc_MemEncode(CLzmaEncHandle pp, Byte *dest, SizeT *destLen, const Byte
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)
ICompressProgress *progress, ISzAllocPtr alloc, ISzAllocPtr allocBig)
{
CLzmaEnc *p = (CLzmaEnc *)LzmaEnc_Create(alloc);
SRes res;

View file

@ -1,5 +1,5 @@
/* LzmaEnc.h -- LZMA Encoder
2013-01-18 : Igor Pavlov : Public domain */
2017-07-27 : Igor Pavlov : Public domain */
#ifndef __LZMA_ENC_H
#define __LZMA_ENC_H
@ -12,12 +12,10 @@ EXTERN_C_BEGIN
typedef struct _CLzmaEncProps
{
int level; /* 0 <= level <= 9 */
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) */
UInt64 reduceSize; /* estimated size of data that will be compressed. default = 0xFFFFFFFF.
Encoder uses this value to reduce dictionary size */
(1 << 12) <= dictSize <= (3 << 29) 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 */
@ -25,9 +23,12 @@ typedef struct _CLzmaEncProps
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 */
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 */
UInt64 reduceSize; /* estimated size of data that will be compressed. default = (UInt64)(Int64)-1.
Encoder uses this value to reduce dictionary size */
} CLzmaEncProps;
void LzmaEncProps_Init(CLzmaEncProps *p);
@ -37,41 +38,38 @@ UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2);
/* ---------- CLzmaEncHandle Interface ---------- */
/* LzmaEnc_* functions can return the following exit codes:
Returns:
/* LzmaEnc* functions can return the following exit codes:
SRes:
SZ_OK - OK
SZ_ERROR_MEM - Memory allocation error
SZ_ERROR_PARAM - Incorrect paramater in props
SZ_ERROR_WRITE - Write callback error.
SZ_ERROR_WRITE - ISeqOutStream write callback error
SZ_ERROR_OUTPUT_EOF - output buffer overflow - version with (Byte *) output
SZ_ERROR_PROGRESS - some break from progress callback
SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
SZ_ERROR_THREAD - error in multithreading functions (only for Mt version)
*/
typedef void * CLzmaEncHandle;
CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc);
void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig);
CLzmaEncHandle LzmaEnc_Create(ISzAllocPtr alloc);
void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAllocPtr alloc, ISzAllocPtr allocBig);
SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props);
void LzmaEnc_SetDataSize(CLzmaEncHandle p, UInt64 expectedDataSiize);
SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size);
unsigned LzmaEnc_IsWriteEndMark(CLzmaEncHandle p);
SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream,
ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
ICompressProgress *progress, ISzAllocPtr alloc, ISzAllocPtr allocBig);
SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
int writeEndMark, ICompressProgress *progress, ISzAllocPtr alloc, ISzAllocPtr 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);
ICompressProgress *progress, ISzAllocPtr alloc, ISzAllocPtr allocBig);
EXTERN_C_END

View file

@ -1,5 +1,5 @@
/* Ppmd.h -- PPMD codec common code
2013-01-18 : Igor Pavlov : Public domain
2017-04-03 : Igor Pavlov : Public domain
This code is based on PPMd var.H (2001): Dmitry Shkarin : Public domain */
#ifndef __PPMD_H
@ -77,8 +77,8 @@ typedef
CPpmd_Byte_Ref;
#define PPMD_SetAllBitsIn256Bytes(p) \
{ unsigned i; for (i = 0; i < 256 / sizeof(p[0]); i += 8) { \
p[i+7] = p[i+6] = p[i+5] = p[i+4] = p[i+3] = p[i+2] = p[i+1] = p[i+0] = ~(size_t)0; }}
{ size_t z; for (z = 0; z < 256 / sizeof(p[0]); z += 8) { \
p[z+7] = p[z+6] = p[z+5] = p[z+4] = p[z+3] = p[z+2] = p[z+1] = p[z+0] = ~(size_t)0; }}
EXTERN_C_END

View file

@ -1,5 +1,5 @@
/* Ppmd7.c -- PPMdH codec
2015-09-28 : Igor Pavlov : Public domain
2017-04-03 : Igor Pavlov : Public domain
This code is based on PPMd var.H (2001): Dmitry Shkarin : Public domain */
#include "Precomp.h"
@ -15,7 +15,7 @@ static const UInt16 kInitBinEsc[] = { 0x3CDD, 0x1F3F, 0x59BF, 0x48F3, 0x64A1, 0x
#define UNIT_SIZE 12
#define U2B(nu) ((UInt32)(nu) * UNIT_SIZE)
#define U2I(nu) (p->Units2Indx[(nu) - 1])
#define U2I(nu) (p->Units2Indx[(size_t)(nu) - 1])
#define I2U(indx) (p->Indx2Units[indx])
#ifdef PPMD_32BIT
@ -88,29 +88,31 @@ void Ppmd7_Construct(CPpmd7 *p)
memset(p->HB2Flag + 0x40, 8, 0x100 - 0x40);
}
void Ppmd7_Free(CPpmd7 *p, ISzAlloc *alloc)
void Ppmd7_Free(CPpmd7 *p, ISzAllocPtr alloc)
{
alloc->Free(alloc, p->Base);
ISzAlloc_Free(alloc, p->Base);
p->Size = 0;
p->Base = 0;
}
Bool Ppmd7_Alloc(CPpmd7 *p, UInt32 size, ISzAlloc *alloc)
Bool Ppmd7_Alloc(CPpmd7 *p, UInt32 size, ISzAllocPtr alloc)
{
if (p->Base == 0 || p->Size != size)
if (!p->Base || p->Size != size)
{
size_t size2;
Ppmd7_Free(p, alloc);
size2 = 0
#ifndef PPMD_32BIT
+ UNIT_SIZE
#endif
;
p->AlignOffset =
#ifdef PPMD_32BIT
(4 - size) & 3;
#else
4 - (size & 3);
#endif
if ((p->Base = (Byte *)alloc->Alloc(alloc, p->AlignOffset + size
#ifndef PPMD_32BIT
+ UNIT_SIZE
#endif
)) == 0)
if ((p->Base = (Byte *)ISzAlloc_Alloc(alloc, p->AlignOffset + size + size2)) == 0)
return False;
p->Size = size;
}
@ -276,12 +278,12 @@ static void *ShrinkUnits(CPpmd7 *p, void *oldPtr, unsigned oldNU, unsigned newNU
return oldPtr;
}
#define SUCCESSOR(p) ((CPpmd_Void_Ref)(size_t)((p)->SuccessorLow | ((UInt32)(p)->SuccessorHigh << 16)))
#define SUCCESSOR(p) ((CPpmd_Void_Ref)((p)->SuccessorLow | ((UInt32)(p)->SuccessorHigh << 16)))
static void SetSuccessor(CPpmd_State *p, CPpmd_Void_Ref v)
{
(p)->SuccessorLow = (UInt16)((UInt32)((size_t)v) & 0xFFFF);
(p)->SuccessorHigh = (UInt16)(((UInt32)((size_t)v) >> 16) & 0xFFFF);
(p)->SuccessorLow = (UInt16)((UInt32)(v) & 0xFFFF);
(p)->SuccessorHigh = (UInt16)(((UInt32)(v) >> 16) & 0xFFFF);
}
static void RestartModel(CPpmd7 *p)
@ -513,7 +515,7 @@ static void UpdateModel(CPpmd7 *p)
/* Expand for one UNIT */
unsigned oldNU = ns1 >> 1;
unsigned i = U2I(oldNU);
if (i != U2I(oldNU + 1))
if (i != U2I((size_t)oldNU + 1))
{
void *ptr = AllocUnits(p, i + 1);
void *oldPtr;
@ -639,10 +641,10 @@ CPpmd_See *Ppmd7_MakeEscFreq(CPpmd7 *p, unsigned numMasked, UInt32 *escFreq)
unsigned nonMasked = p->MinContext->NumStats - numMasked;
if (p->MinContext->NumStats != 256)
{
see = p->See[p->NS2Indx[nonMasked - 1]] +
see = p->See[(unsigned)p->NS2Indx[(size_t)nonMasked - 1]] +
(nonMasked < (unsigned)SUFFIX(p->MinContext)->NumStats - p->MinContext->NumStats) +
2 * (p->MinContext->SummFreq < 11 * p->MinContext->NumStats) +
4 * (numMasked > nonMasked) +
2 * (unsigned)(p->MinContext->SummFreq < 11 * p->MinContext->NumStats) +
4 * (unsigned)(numMasked > nonMasked) +
p->HiBitsFlag;
{
unsigned r = (see->Summ >> see->Shift);

View file

@ -1,5 +1,5 @@
/* Ppmd7.h -- PPMdH compression codec
2010-03-12 : Igor Pavlov : Public domain
2017-04-03 : Igor Pavlov : Public domain
This code is based on PPMd var.H (2001): Dmitry Shkarin : Public domain */
/* This code supports virtual RangeDecoder and includes the implementation
@ -60,8 +60,8 @@ typedef struct
} CPpmd7;
void Ppmd7_Construct(CPpmd7 *p);
Bool Ppmd7_Alloc(CPpmd7 *p, UInt32 size, ISzAlloc *alloc);
void Ppmd7_Free(CPpmd7 *p, ISzAlloc *alloc);
Bool Ppmd7_Alloc(CPpmd7 *p, UInt32 size, ISzAllocPtr alloc);
void Ppmd7_Free(CPpmd7 *p, ISzAllocPtr alloc);
void Ppmd7_Init(CPpmd7 *p, unsigned maxOrder);
#define Ppmd7_WasAllocated(p) ((p)->Base != NULL)
@ -86,10 +86,10 @@ void Ppmd7_Update2(CPpmd7 *p);
void Ppmd7_UpdateBin(CPpmd7 *p);
#define Ppmd7_GetBinSumm(p) \
&p->BinSumm[Ppmd7Context_OneState(p->MinContext)->Freq - 1][p->PrevSuccess + \
p->NS2BSIndx[Ppmd7_GetContext(p, p->MinContext->Suffix)->NumStats - 1] + \
&p->BinSumm[(size_t)(unsigned)Ppmd7Context_OneState(p->MinContext)->Freq - 1][p->PrevSuccess + \
p->NS2BSIndx[(size_t)Ppmd7_GetContext(p, p->MinContext->Suffix)->NumStats - 1] + \
(p->HiBitsFlag = p->HB2Flag[p->FoundState->Symbol]) + \
2 * p->HB2Flag[Ppmd7Context_OneState(p->MinContext)->Symbol] + \
2 * p->HB2Flag[(unsigned)Ppmd7Context_OneState(p->MinContext)->Symbol] + \
((p->RunLength >> 26) & 0x20)]
CPpmd_See *Ppmd7_MakeEscFreq(CPpmd7 *p, unsigned numMasked, UInt32 *scale);
@ -97,16 +97,18 @@ CPpmd_See *Ppmd7_MakeEscFreq(CPpmd7 *p, unsigned numMasked, UInt32 *scale);
/* ---------- Decode ---------- */
typedef struct
typedef struct IPpmd7_RangeDec IPpmd7_RangeDec;
struct IPpmd7_RangeDec
{
UInt32 (*GetThreshold)(void *p, UInt32 total);
void (*Decode)(void *p, UInt32 start, UInt32 size);
UInt32 (*DecodeBit)(void *p, UInt32 size0);
} IPpmd7_RangeDec;
UInt32 (*GetThreshold)(const IPpmd7_RangeDec *p, UInt32 total);
void (*Decode)(const IPpmd7_RangeDec *p, UInt32 start, UInt32 size);
UInt32 (*DecodeBit)(const IPpmd7_RangeDec *p, UInt32 size0);
};
typedef struct
{
IPpmd7_RangeDec p;
IPpmd7_RangeDec vt;
UInt32 Range;
UInt32 Code;
IByteIn *Stream;
@ -116,7 +118,7 @@ void Ppmd7z_RangeDec_CreateVTable(CPpmd7z_RangeDec *p);
Bool Ppmd7z_RangeDec_Init(CPpmd7z_RangeDec *p);
#define Ppmd7z_RangeDec_IsFinishedOK(p) ((p)->Code == 0)
int Ppmd7_DecodeSymbol(CPpmd7 *p, IPpmd7_RangeDec *rc);
int Ppmd7_DecodeSymbol(CPpmd7 *p, const IPpmd7_RangeDec *rc);
/* ---------- Encode ---------- */

View file

@ -1,5 +1,5 @@
/* Ppmd7Dec.c -- PPMdH Decoder
2010-03-12 : Igor Pavlov : Public domain
2017-04-03 : Igor Pavlov : Public domain
This code is based on PPMd var.H (2001): Dmitry Shkarin : Public domain */
#include "Precomp.h"
@ -13,44 +13,46 @@ Bool Ppmd7z_RangeDec_Init(CPpmd7z_RangeDec *p)
unsigned i;
p->Code = 0;
p->Range = 0xFFFFFFFF;
if (p->Stream->Read((void *)p->Stream) != 0)
if (IByteIn_Read(p->Stream) != 0)
return False;
for (i = 0; i < 4; i++)
p->Code = (p->Code << 8) | p->Stream->Read((void *)p->Stream);
p->Code = (p->Code << 8) | IByteIn_Read(p->Stream);
return (p->Code < 0xFFFFFFFF);
}
static UInt32 Range_GetThreshold(void *pp, UInt32 total)
#define GET_Ppmd7z_RangeDec CPpmd7z_RangeDec *p = CONTAINER_FROM_VTBL(pp, CPpmd7z_RangeDec, vt);
static UInt32 Range_GetThreshold(const IPpmd7_RangeDec *pp, UInt32 total)
{
CPpmd7z_RangeDec *p = (CPpmd7z_RangeDec *)pp;
return (p->Code) / (p->Range /= total);
GET_Ppmd7z_RangeDec
return p->Code / (p->Range /= total);
}
static void Range_Normalize(CPpmd7z_RangeDec *p)
{
if (p->Range < kTopValue)
{
p->Code = (p->Code << 8) | p->Stream->Read((void *)p->Stream);
p->Code = (p->Code << 8) | IByteIn_Read(p->Stream);
p->Range <<= 8;
if (p->Range < kTopValue)
{
p->Code = (p->Code << 8) | p->Stream->Read((void *)p->Stream);
p->Code = (p->Code << 8) | IByteIn_Read(p->Stream);
p->Range <<= 8;
}
}
}
static void Range_Decode(void *pp, UInt32 start, UInt32 size)
static void Range_Decode(const IPpmd7_RangeDec *pp, UInt32 start, UInt32 size)
{
CPpmd7z_RangeDec *p = (CPpmd7z_RangeDec *)pp;
GET_Ppmd7z_RangeDec
p->Code -= start * p->Range;
p->Range *= size;
Range_Normalize(p);
}
static UInt32 Range_DecodeBit(void *pp, UInt32 size0)
static UInt32 Range_DecodeBit(const IPpmd7_RangeDec *pp, UInt32 size0)
{
CPpmd7z_RangeDec *p = (CPpmd7z_RangeDec *)pp;
GET_Ppmd7z_RangeDec
UInt32 newBound = (p->Range >> 14) * size0;
UInt32 symbol;
if (p->Code < newBound)
@ -70,15 +72,15 @@ static UInt32 Range_DecodeBit(void *pp, UInt32 size0)
void Ppmd7z_RangeDec_CreateVTable(CPpmd7z_RangeDec *p)
{
p->p.GetThreshold = Range_GetThreshold;
p->p.Decode = Range_Decode;
p->p.DecodeBit = Range_DecodeBit;
p->vt.GetThreshold = Range_GetThreshold;
p->vt.Decode = Range_Decode;
p->vt.DecodeBit = Range_DecodeBit;
}
#define MASK(sym) ((signed char *)charMask)[sym]
int Ppmd7_DecodeSymbol(CPpmd7 *p, IPpmd7_RangeDec *rc)
int Ppmd7_DecodeSymbol(CPpmd7 *p, const IPpmd7_RangeDec *rc)
{
size_t charMask[256 / sizeof(size_t)];
if (p->MinContext->NumStats != 1)

View file

@ -1,5 +1,5 @@
/* Threads.c -- multithreading library
2014-09-21 : Igor Pavlov : Public domain */
2017-06-26 : Igor Pavlov : Public domain */
#include "Precomp.h"
@ -12,18 +12,20 @@
static WRes GetError()
{
DWORD res = GetLastError();
return (res) ? (WRes)(res) : 1;
return res ? (WRes)res : 1;
}
WRes HandleToWRes(HANDLE h) { return (h != 0) ? 0 : GetError(); }
WRes BOOLToWRes(BOOL v) { return v ? 0 : GetError(); }
static WRes HandleToWRes(HANDLE h) { return (h != NULL) ? 0 : GetError(); }
static WRes BOOLToWRes(BOOL v) { return v ? 0 : GetError(); }
WRes HandlePtr_Close(HANDLE *p)
{
if (*p != NULL)
{
if (!CloseHandle(*p))
return GetError();
*p = NULL;
*p = NULL;
}
return 0;
}
@ -49,7 +51,7 @@ WRes Thread_Create(CThread *p, THREAD_FUNC_TYPE func, LPVOID param)
return HandleToWRes(*p);
}
WRes Event_Create(CEvent *p, BOOL manualReset, int signaled)
static WRes Event_Create(CEvent *p, BOOL manualReset, int signaled)
{
*p = CreateEvent(NULL, manualReset, (signaled ? TRUE : FALSE), NULL);
return HandleToWRes(*p);

View file

@ -1,5 +1,5 @@
/* Threads.h -- multithreading library
2013-11-12 : Igor Pavlov : Public domain */
2017-06-18 : Igor Pavlov : Public domain */
#ifndef __7Z_THREADS_H
#define __7Z_THREADS_H
@ -49,7 +49,8 @@ WRes AutoResetEvent_Create(CAutoResetEvent *p, int signaled);
WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p);
typedef HANDLE CSemaphore;
#define Semaphore_Construct(p) (*p) = NULL
#define Semaphore_Construct(p) *(p) = NULL
#define Semaphore_IsCreated(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);

View file

@ -393,8 +393,8 @@ struct FileReaderLZMA::StreamPointer
CLzmaDec Stream;
};
static void *SzAlloc(void *, size_t size) { return malloc(size); }
static void SzFree(void *, void *address) { free(address); }
static void *SzAlloc(ISzAllocPtr, size_t size) { return malloc(size); }
static void SzFree(ISzAllocPtr, void *address) { free(address); }
ISzAlloc g_Alloc = { SzAlloc, SzFree };
FileReaderLZMA::FileReaderLZMA (FileReader &file, size_t uncompressed_size, bool zip)

View file

@ -67,7 +67,7 @@ struct CZDFileInStream
File = _file;
}
static SRes Read(void *pp, void *buf, size_t *size)
static SRes Read(const ISeekInStream *pp, void *buf, size_t *size)
{
CZDFileInStream *p = (CZDFileInStream *)pp;
long numread = p->File->Read(buf, (long)*size);
@ -80,7 +80,7 @@ struct CZDFileInStream
return SZ_OK;
}
static SRes Seek(void *pp, Int64 *pos, ESzSeek origin)
static SRes Seek(const ISeekInStream *pp, Int64 *pos, ESzSeek origin)
{
CZDFileInStream *p = (CZDFileInStream *)pp;
int move_method;
@ -111,7 +111,8 @@ struct C7zArchive
{
CSzArEx DB;
CZDFileInStream ArchiveStream;
CLookToRead LookStream;
CLookToRead2 LookStream;
Byte StreamBuffer[1<<14];
UInt32 BlockIndex;
Byte *OutBuffer;
size_t OutBufferSize;
@ -123,9 +124,11 @@ struct C7zArchive
CrcGenerateTable();
}
file->Seek(0, SEEK_SET);
LookToRead_CreateVTable(&LookStream, false);
LookToRead2_CreateVTable(&LookStream, false);
LookStream.realStream = &ArchiveStream.s;
LookToRead_Init(&LookStream);
LookToRead2_Init(&LookStream);
LookStream.bufSize = sizeof(StreamBuffer);
LookStream.buf = StreamBuffer;
SzArEx_Init(&DB);
BlockIndex = 0xFFFFFFFF;
OutBuffer = NULL;
@ -143,13 +146,13 @@ struct C7zArchive
SRes Open()
{
return SzArEx_Open(&DB, &LookStream.s, &g_Alloc, &g_Alloc);
return SzArEx_Open(&DB, &LookStream.vt, &g_Alloc, &g_Alloc);
}
SRes Extract(UInt32 file_index, char *buffer)
{
size_t offset, out_size_processed;
SRes res = SzArEx_Extract(&DB, &LookStream.s, file_index,
SRes res = SzArEx_Extract(&DB, &LookStream.vt, file_index,
&BlockIndex, &OutBuffer, &OutBufferSize,
&offset, &out_size_processed,
&g_Alloc, &g_Alloc);