From 50cf47f0c5a315d9f0c092ece1f3c9d207dbd650 Mon Sep 17 00:00:00 2001 From: "bashi@chromium.org" Date: Wed, 18 Apr 2012 23:34:41 +0000 Subject: [PATCH] Revert 132887 - Update lzma_sdk to 9.20 Copied only C code required to open 7z archive files and uncompress LZMA compression. Updated chrome/installer/util/lzma_util.cc to follow API changes. BUG=None TEST=installer_util_unittests --gtest_filter='LzmaUtilTest.*' Review URL: http://codereview.chromium.org/10114005 TBR=bashi@chromium.org Review URL: https://chromiumcodereview.appspot.com/10035048 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@132895 0039d316-1c4b-4281-b951-d872f2087c98 --- chrome/installer/util/lzma_util.cc | 129 +- third_party/lzma_sdk/7z.h | 203 -- third_party/lzma_sdk/7zAlloc.h | 15 - third_party/lzma_sdk/7zBuf.c | 36 - third_party/lzma_sdk/7zBuf.h | 39 - third_party/lzma_sdk/7zCrc.c | 74 +- third_party/lzma_sdk/7zCrc.h | 14 +- third_party/lzma_sdk/7zCrcOpt.c | 34 - third_party/lzma_sdk/7zDec.c | 470 ---- third_party/lzma_sdk/7zFile.c | 284 --- third_party/lzma_sdk/7zFile.h | 83 - third_party/lzma_sdk/7zIn.c | 1402 ---------- third_party/lzma_sdk/7zStream.c | 169 -- third_party/lzma_sdk/Alloc.c | 18 +- third_party/lzma_sdk/Alloc.h | 11 +- .../lzma_sdk/{ => Archive/7z}/7zAlloc.c | 18 +- third_party/lzma_sdk/Archive/7z/7zAlloc.h | 20 + third_party/lzma_sdk/Archive/7z/7zBuffer.c | 29 + third_party/lzma_sdk/Archive/7z/7zBuffer.h | 19 + third_party/lzma_sdk/Archive/7z/7zDecode.c | 341 +++ third_party/lzma_sdk/Archive/7z/7zDecode.h | 20 + third_party/lzma_sdk/Archive/7z/7zExtract.c | 119 + third_party/lzma_sdk/Archive/7z/7zExtract.h | 40 + third_party/lzma_sdk/Archive/7z/7zHeader.c | 5 + third_party/lzma_sdk/Archive/7z/7zHeader.h | 55 + third_party/lzma_sdk/Archive/7z/7zIn.c | 1314 ++++++++++ third_party/lzma_sdk/Archive/7z/7zIn.h | 55 + third_party/lzma_sdk/Archive/7z/7zItem.c | 134 + third_party/lzma_sdk/Archive/7z/7zItem.h | 95 + third_party/lzma_sdk/Archive/7z/7zMethodID.c | 10 + third_party/lzma_sdk/Archive/7z/7zMethodID.h | 10 + third_party/lzma_sdk/Bcj2.h | 38 - third_party/lzma_sdk/Bra.c | 133 - third_party/lzma_sdk/Bra.h | 68 - .../lzma_sdk/Compress/Branch/BranchTypes.h | 51 + .../{Bra86.c => Compress/Branch/BranchX86.c} | 27 +- .../lzma_sdk/Compress/Branch/BranchX86.h | 12 + .../{Bcj2.c => Compress/Branch/BranchX86_2.c} | 67 +- .../lzma_sdk/Compress/Branch/BranchX86_2.h | 28 + .../lzma_sdk/Compress/Lzma/LzmaDecode.c | 584 +++++ .../lzma_sdk/Compress/Lzma/LzmaDecode.h | 113 + .../lzma_sdk/Compress/Lzma/LzmaTypes.h | 45 + third_party/lzma_sdk/CpuArch.c | 168 -- third_party/lzma_sdk/CpuArch.h | 155 -- third_party/lzma_sdk/LzFind.c | 761 ------ third_party/lzma_sdk/LzFind.h | 115 - third_party/lzma_sdk/LzHash.h | 54 - third_party/lzma_sdk/Lzma2Dec.c | 356 --- third_party/lzma_sdk/Lzma2Dec.h | 84 - third_party/lzma_sdk/LzmaDec.c | 999 -------- third_party/lzma_sdk/LzmaDec.h | 231 -- third_party/lzma_sdk/LzmaEnc.c | 2268 ----------------- third_party/lzma_sdk/LzmaEnc.h | 80 - third_party/lzma_sdk/LzmaLib.c | 46 - third_party/lzma_sdk/LzmaLib.h | 135 - third_party/lzma_sdk/README.chromium | 5 +- third_party/lzma_sdk/Types.h | 272 +- third_party/lzma_sdk/lzma_sdk.gyp | 78 +- 58 files changed, 3333 insertions(+), 8905 deletions(-) delete mode 100644 third_party/lzma_sdk/7z.h delete mode 100644 third_party/lzma_sdk/7zAlloc.h delete mode 100644 third_party/lzma_sdk/7zBuf.c delete mode 100644 third_party/lzma_sdk/7zBuf.h delete mode 100644 third_party/lzma_sdk/7zCrcOpt.c delete mode 100644 third_party/lzma_sdk/7zDec.c delete mode 100644 third_party/lzma_sdk/7zFile.c delete mode 100644 third_party/lzma_sdk/7zFile.h delete mode 100644 third_party/lzma_sdk/7zIn.c delete mode 100644 third_party/lzma_sdk/7zStream.c rename third_party/lzma_sdk/{ => Archive/7z}/7zAlloc.c (80%) create mode 100644 third_party/lzma_sdk/Archive/7z/7zAlloc.h create mode 100644 third_party/lzma_sdk/Archive/7z/7zBuffer.c create mode 100644 third_party/lzma_sdk/Archive/7z/7zBuffer.h create mode 100644 third_party/lzma_sdk/Archive/7z/7zDecode.c create mode 100644 third_party/lzma_sdk/Archive/7z/7zDecode.h create mode 100644 third_party/lzma_sdk/Archive/7z/7zExtract.c create mode 100644 third_party/lzma_sdk/Archive/7z/7zExtract.h create mode 100644 third_party/lzma_sdk/Archive/7z/7zHeader.c create mode 100644 third_party/lzma_sdk/Archive/7z/7zHeader.h create mode 100644 third_party/lzma_sdk/Archive/7z/7zIn.c create mode 100644 third_party/lzma_sdk/Archive/7z/7zIn.h create mode 100644 third_party/lzma_sdk/Archive/7z/7zItem.c create mode 100644 third_party/lzma_sdk/Archive/7z/7zItem.h create mode 100644 third_party/lzma_sdk/Archive/7z/7zMethodID.c create mode 100644 third_party/lzma_sdk/Archive/7z/7zMethodID.h delete mode 100644 third_party/lzma_sdk/Bcj2.h delete mode 100644 third_party/lzma_sdk/Bra.c delete mode 100644 third_party/lzma_sdk/Bra.h create mode 100644 third_party/lzma_sdk/Compress/Branch/BranchTypes.h rename third_party/lzma_sdk/{Bra86.c => Compress/Branch/BranchX86.c} (75%) create mode 100644 third_party/lzma_sdk/Compress/Branch/BranchX86.h rename third_party/lzma_sdk/{Bcj2.c => Compress/Branch/BranchX86_2.c} (53%) create mode 100644 third_party/lzma_sdk/Compress/Branch/BranchX86_2.h create mode 100644 third_party/lzma_sdk/Compress/Lzma/LzmaDecode.c create mode 100644 third_party/lzma_sdk/Compress/Lzma/LzmaDecode.h create mode 100644 third_party/lzma_sdk/Compress/Lzma/LzmaTypes.h delete mode 100644 third_party/lzma_sdk/CpuArch.c delete mode 100644 third_party/lzma_sdk/CpuArch.h delete mode 100644 third_party/lzma_sdk/LzFind.c delete mode 100644 third_party/lzma_sdk/LzFind.h delete mode 100644 third_party/lzma_sdk/LzHash.h delete mode 100644 third_party/lzma_sdk/Lzma2Dec.c delete mode 100644 third_party/lzma_sdk/Lzma2Dec.h delete mode 100644 third_party/lzma_sdk/LzmaDec.c delete mode 100644 third_party/lzma_sdk/LzmaDec.h delete mode 100644 third_party/lzma_sdk/LzmaEnc.c delete mode 100644 third_party/lzma_sdk/LzmaEnc.h delete mode 100644 third_party/lzma_sdk/LzmaLib.c delete mode 100644 third_party/lzma_sdk/LzmaLib.h diff --git a/chrome/installer/util/lzma_util.cc b/chrome/installer/util/lzma_util.cc index 24618a48cbc1..70e899d0c8dc 100644 --- a/chrome/installer/util/lzma_util.cc +++ b/chrome/installer/util/lzma_util.cc @@ -1,4 +1,4 @@ -// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Copyright (c) 2010 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. @@ -9,68 +9,63 @@ #include "base/utf_string_conversions.h" extern "C" { -#include "third_party/lzma_sdk/7z.h" -#include "third_party/lzma_sdk/7zAlloc.h" +#include "third_party/lzma_sdk/Archive/7z/7zExtract.h" +#include "third_party/lzma_sdk/Archive/7z/7zIn.h" #include "third_party/lzma_sdk/7zCrc.h" -#include "third_party/lzma_sdk/7zFile.h" } namespace { -SRes LzmaReadFile(HANDLE file, void *data, size_t *size) { - if (*size == 0) - return SZ_OK; +typedef struct _CFileInStream { + ISzInStream InStream; + HANDLE File; +} CFileInStream; + + +size_t LzmaReadFile(HANDLE file, void *data, size_t size) { + if (size == 0) + return 0; size_t processedSize = 0; - DWORD maxSize = *size; do { DWORD processedLoc = 0; - BOOL res = ReadFile(file, data, maxSize, &processedLoc, NULL); + BOOL res = ReadFile(file, data, (DWORD) size, &processedLoc, NULL); data = (void *)((unsigned char *) data + processedLoc); - maxSize -= processedLoc; + size -= processedLoc; processedSize += processedLoc; - if (processedLoc == 0) { - if (res) - return SZ_ERROR_READ; - else - break; - } - } while (maxSize > 0); + if (!res || processedLoc == 0) + break; + } while (size > 0); - *size = processedSize; - return SZ_OK; + return processedSize; } -SRes SzFileSeekImp(void *object, Int64 *pos, ESzSeek origin) { +SZ_RESULT SzFileSeekImp(void *object, CFileSize pos) { CFileInStream *s = (CFileInStream *) object; LARGE_INTEGER value; - value.LowPart = (DWORD) *pos; - value.HighPart = (LONG) ((UInt64) *pos >> 32); - DWORD moveMethod; - switch (origin) { - case SZ_SEEK_SET: - moveMethod = FILE_BEGIN; - break; - case SZ_SEEK_CUR: - moveMethod = FILE_CURRENT; - break; - case SZ_SEEK_END: - moveMethod = FILE_END; - break; - default: - return SZ_ERROR_PARAM; - } - value.LowPart = SetFilePointer(s->file.handle, value.LowPart, &value.HighPart, - moveMethod); - *pos = ((Int64)value.HighPart << 32) | value.LowPart; + value.LowPart = (DWORD) pos; + value.HighPart = (LONG) ((UInt64) pos >> 32); + value.LowPart = SetFilePointer(s->File, value.LowPart, &value.HighPart, + FILE_BEGIN); return ((value.LowPart == 0xFFFFFFFF) && (GetLastError() != NO_ERROR)) ? - SZ_ERROR_FAIL : SZ_OK; + SZE_FAIL : SZ_OK; } -SRes SzFileReadImp(void *object, void *buffer, size_t *size) { +SZ_RESULT SzFileReadImp(void *object, void **buffer, + size_t maxRequiredSize, size_t *processedSize) { + const int kBufferSize = 1 << 12; + static Byte g_Buffer[kBufferSize]; + if (maxRequiredSize > kBufferSize) + maxRequiredSize = kBufferSize; + CFileInStream *s = (CFileInStream *) object; - return LzmaReadFile(s->file.handle, buffer, size); + size_t processedSizeLoc; + processedSizeLoc = LzmaReadFile(s->File, g_Buffer, maxRequiredSize); + *buffer = g_Buffer; + if (processedSize != 0) + *processedSize = processedSizeLoc; + return SZ_OK; } } // namespace @@ -127,66 +122,50 @@ DWORD LzmaUtil::UnPack(const std::wstring& location, return ERROR_INVALID_HANDLE; CFileInStream archiveStream; - CLookToRead lookStream; - CSzArEx db; ISzAlloc allocImp; ISzAlloc allocTempImp; + CArchiveDatabaseEx db; DWORD ret = NO_ERROR; - archiveStream.file.handle = archive_handle_; - archiveStream.s.Read = SzFileReadImp; - archiveStream.s.Seek = SzFileSeekImp; - LookToRead_CreateVTable(&lookStream, false); - lookStream.realStream = &archiveStream.s; - + archiveStream.File = archive_handle_; + archiveStream.InStream.Read = SzFileReadImp; + archiveStream.InStream.Seek = SzFileSeekImp; allocImp.Alloc = SzAlloc; allocImp.Free = SzFree; allocTempImp.Alloc = SzAllocTemp; allocTempImp.Free = SzFreeTemp; CrcGenerateTable(); - SzArEx_Init(&db); - if ((ret = SzArEx_Open(&db, &lookStream.s, - &allocImp, &allocTempImp)) != SZ_OK) { + SzArDbExInit(&db); + if ((ret = SzArchiveOpen(&archiveStream.InStream, &db, + &allocImp, &allocTempImp)) != SZ_OK) { LOG(ERROR) << L"Error returned by SzArchiveOpen: " << ret; - return ERROR_INVALID_HANDLE; + return ret; } Byte *outBuffer = 0; // it must be 0 before first call for each new archive UInt32 blockIndex = 0xFFFFFFFF; // can have any value if outBuffer = 0 size_t outBufferSize = 0; // can have any value if outBuffer = 0 - for (unsigned int i = 0; i < db.db.NumFiles; i++) { + for (unsigned int i = 0; i < db.Database.NumFiles; i++) { DWORD written; size_t offset; size_t outSizeProcessed; - CSzFileItem *f = db.db.Files + i; + CFileItem *f = db.Database.Files + i; - if ((ret = SzArEx_Extract(&db, &lookStream.s, i, &blockIndex, + if ((ret = SzExtract(&archiveStream.InStream, &db, i, &blockIndex, &outBuffer, &outBufferSize, &offset, &outSizeProcessed, &allocImp, &allocTempImp)) != SZ_OK) { LOG(ERROR) << L"Error returned by SzExtract: " << ret; - ret = ERROR_INVALID_HANDLE; - break; - } - - size_t file_name_length = SzArEx_GetFileNameUtf16(&db, i, NULL); - if (file_name_length < 1) { - LOG(ERROR) << L"Couldn't get file name"; - ret = ERROR_INVALID_HANDLE; break; } - std::vector file_name(file_name_length); - SzArEx_GetFileNameUtf16(&db, i, &file_name[0]); - // |file_name| is NULL-terminated. - FilePath file_path = FilePath(location).Append( - FilePath::StringType(file_name.begin(), file_name.end() - 1)); + FilePath file_path = FilePath(location).Append(UTF8ToWide(f->Name)); if (output_file) *output_file = file_path.value(); // If archive entry is directory create it and move on to the next entry. - if (f->IsDir) { + if (f->IsDirectory) { CreateDirectory(file_path); continue; } @@ -211,9 +190,9 @@ DWORD LzmaUtil::UnPack(const std::wstring& location, break; } - if (f->MTimeDefined) { + if (f->IsLastWriteTimeDefined) { if (!SetFileTime(hFile, NULL, NULL, - (const FILETIME *)&(f->MTime))) { + (const FILETIME *)&(f->LastWriteTime))) { ret = GetLastError(); CloseHandle(hFile); LOG(ERROR) << L"Error returned by SetFileTime: " << ret; @@ -227,8 +206,8 @@ DWORD LzmaUtil::UnPack(const std::wstring& location, } } // for loop - IAlloc_Free(&allocImp, outBuffer); - SzArEx_Free(&db, &allocImp); + allocImp.Free(outBuffer); + SzArDbExFree(&db, allocImp.Free); return ret; } diff --git a/third_party/lzma_sdk/7z.h b/third_party/lzma_sdk/7z.h deleted file mode 100644 index 01c4cac6a7be..000000000000 --- a/third_party/lzma_sdk/7z.h +++ /dev/null @@ -1,203 +0,0 @@ -/* 7z.h -- 7z interface -2010-03-11 : Igor Pavlov : Public domain */ - -#ifndef __7Z_H -#define __7Z_H - -#include "7zBuf.h" - -EXTERN_C_BEGIN - -#define k7zStartHeaderSize 0x20 -#define k7zSignatureSize 6 -extern Byte k7zSignature[k7zSignatureSize]; -#define k7zMajorVersion 0 - -enum EIdEnum -{ - k7zIdEnd, - k7zIdHeader, - k7zIdArchiveProperties, - k7zIdAdditionalStreamsInfo, - k7zIdMainStreamsInfo, - k7zIdFilesInfo, - k7zIdPackInfo, - k7zIdUnpackInfo, - k7zIdSubStreamsInfo, - k7zIdSize, - k7zIdCRC, - k7zIdFolder, - k7zIdCodersUnpackSize, - k7zIdNumUnpackStream, - k7zIdEmptyStream, - k7zIdEmptyFile, - k7zIdAnti, - k7zIdName, - k7zIdCTime, - k7zIdATime, - k7zIdMTime, - k7zIdWinAttributes, - k7zIdComment, - k7zIdEncodedHeader, - k7zIdStartPos, - k7zIdDummy -}; - -typedef struct -{ - UInt32 NumInStreams; - UInt32 NumOutStreams; - UInt64 MethodID; - CBuf Props; -} CSzCoderInfo; - -void SzCoderInfo_Init(CSzCoderInfo *p); -void SzCoderInfo_Free(CSzCoderInfo *p, ISzAlloc *alloc); - -typedef struct -{ - UInt32 InIndex; - UInt32 OutIndex; -} CSzBindPair; - -typedef struct -{ - CSzCoderInfo *Coders; - CSzBindPair *BindPairs; - UInt32 *PackStreams; - UInt64 *UnpackSizes; - UInt32 NumCoders; - UInt32 NumBindPairs; - UInt32 NumPackStreams; - int UnpackCRCDefined; - UInt32 UnpackCRC; - - UInt32 NumUnpackStreams; -} CSzFolder; - -void SzFolder_Init(CSzFolder *p); -UInt64 SzFolder_GetUnpackSize(CSzFolder *p); -int SzFolder_FindBindPairForInStream(CSzFolder *p, UInt32 inStreamIndex); -UInt32 SzFolder_GetNumOutStreams(CSzFolder *p); -UInt64 SzFolder_GetUnpackSize(CSzFolder *p); - -SRes SzFolder_Decode(const CSzFolder *folder, const UInt64 *packSizes, - ILookInStream *stream, UInt64 startPos, - Byte *outBuffer, size_t outSize, ISzAlloc *allocMain); - -typedef struct -{ - UInt32 Low; - UInt32 High; -} CNtfsFileTime; - -typedef struct -{ - CNtfsFileTime MTime; - UInt64 Size; - UInt32 Crc; - UInt32 Attrib; - Byte HasStream; - Byte IsDir; - Byte IsAnti; - Byte CrcDefined; - Byte MTimeDefined; - Byte AttribDefined; -} CSzFileItem; - -void SzFile_Init(CSzFileItem *p); - -typedef struct -{ - UInt64 *PackSizes; - Byte *PackCRCsDefined; - UInt32 *PackCRCs; - CSzFolder *Folders; - CSzFileItem *Files; - UInt32 NumPackStreams; - UInt32 NumFolders; - UInt32 NumFiles; -} CSzAr; - -void SzAr_Init(CSzAr *p); -void SzAr_Free(CSzAr *p, ISzAlloc *alloc); - - -/* - SzExtract extracts file from archive - - *outBuffer must be 0 before first call for each new archive. - - Extracting cache: - If you need to decompress more than one file, you can send - these values from previous call: - *blockIndex, - *outBuffer, - *outBufferSize - You can consider "*outBuffer" as cache of solid block. If your archive is solid, - it will increase decompression speed. - - If you use external function, you can declare these 3 cache variables - (blockIndex, outBuffer, outBufferSize) as static in that external function. - - Free *outBuffer and set *outBuffer to 0, if you want to flush cache. -*/ - -typedef struct -{ - CSzAr db; - - UInt64 startPosAfterHeader; - UInt64 dataPos; - - UInt32 *FolderStartPackStreamIndex; - UInt64 *PackStreamStartPositions; - UInt32 *FolderStartFileIndex; - UInt32 *FileIndexToFolderIndexMap; - - size_t *FileNameOffsets; /* in 2-byte steps */ - CBuf FileNames; /* UTF-16-LE */ -} CSzArEx; - -void SzArEx_Init(CSzArEx *p); -void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc); -UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder); -int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize); - -/* -if dest == NULL, the return value specifies the required size of the buffer, - in 16-bit characters, including the null-terminating character. -if dest != NULL, the return value specifies the number of 16-bit characters that - are written to the dest, including the null-terminating character. */ - -size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, UInt16 *dest); - -SRes SzArEx_Extract( - const CSzArEx *db, - ILookInStream *inStream, - UInt32 fileIndex, /* index of file */ - UInt32 *blockIndex, /* index of solid block */ - Byte **outBuffer, /* pointer to pointer to output buffer (allocated with allocMain) */ - 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); - - -/* -SzArEx_Open Errors: -SZ_ERROR_NO_ARCHIVE -SZ_ERROR_ARCHIVE -SZ_ERROR_UNSUPPORTED -SZ_ERROR_MEM -SZ_ERROR_CRC -SZ_ERROR_INPUT_EOF -SZ_ERROR_FAIL -*/ - -SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream, ISzAlloc *allocMain, ISzAlloc *allocTemp); - -EXTERN_C_END - -#endif diff --git a/third_party/lzma_sdk/7zAlloc.h b/third_party/lzma_sdk/7zAlloc.h deleted file mode 100644 index 3344e9373f7a..000000000000 --- a/third_party/lzma_sdk/7zAlloc.h +++ /dev/null @@ -1,15 +0,0 @@ -/* 7zAlloc.h -- Allocation functions -2010-10-29 : Igor Pavlov : Public domain */ - -#ifndef __7Z_ALLOC_H -#define __7Z_ALLOC_H - -#include - -void *SzAlloc(void *p, size_t size); -void SzFree(void *p, void *address); - -void *SzAllocTemp(void *p, size_t size); -void SzFreeTemp(void *p, void *address); - -#endif diff --git a/third_party/lzma_sdk/7zBuf.c b/third_party/lzma_sdk/7zBuf.c deleted file mode 100644 index 14e7f4e2b922..000000000000 --- a/third_party/lzma_sdk/7zBuf.c +++ /dev/null @@ -1,36 +0,0 @@ -/* 7zBuf.c -- Byte Buffer -2008-03-28 -Igor Pavlov -Public domain */ - -#include "7zBuf.h" - -void Buf_Init(CBuf *p) -{ - p->data = 0; - p->size = 0; -} - -int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc) -{ - p->size = 0; - if (size == 0) - { - p->data = 0; - return 1; - } - p->data = (Byte *)alloc->Alloc(alloc, size); - if (p->data != 0) - { - p->size = size; - return 1; - } - return 0; -} - -void Buf_Free(CBuf *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->data); - p->data = 0; - p->size = 0; -} diff --git a/third_party/lzma_sdk/7zBuf.h b/third_party/lzma_sdk/7zBuf.h deleted file mode 100644 index e9f2f316d0dd..000000000000 --- a/third_party/lzma_sdk/7zBuf.h +++ /dev/null @@ -1,39 +0,0 @@ -/* 7zBuf.h -- Byte Buffer -2009-02-07 : Igor Pavlov : Public domain */ - -#ifndef __7Z_BUF_H -#define __7Z_BUF_H - -#include "Types.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct -{ - Byte *data; - size_t size; -} CBuf; - -void Buf_Init(CBuf *p); -int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc); -void Buf_Free(CBuf *p, ISzAlloc *alloc); - -typedef struct -{ - Byte *data; - size_t size; - size_t pos; -} CDynBuf; - -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); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/third_party/lzma_sdk/7zCrc.c b/third_party/lzma_sdk/7zCrc.c index a920849611cc..61050dd4b997 100644 --- a/third_party/lzma_sdk/7zCrc.c +++ b/third_party/lzma_sdk/7zCrc.c @@ -1,50 +1,9 @@ -/* 7zCrc.c -- CRC32 calculation -2009-11-23 : Igor Pavlov : Public domain */ +/* 7zCrc.c */ #include "7zCrc.h" -#include "CpuArch.h" #define kCrcPoly 0xEDB88320 - -#ifdef MY_CPU_LE -#define CRC_NUM_TABLES 8 -#else -#define CRC_NUM_TABLES 1 -#endif - -typedef UInt32 (MY_FAST_CALL *CRC_FUNC)(UInt32 v, const void *data, size_t size, const UInt32 *table); - -static CRC_FUNC g_CrcUpdate; -UInt32 g_CrcTable[256 * CRC_NUM_TABLES]; - -#if CRC_NUM_TABLES == 1 - -#define CRC_UPDATE_BYTE_2(crc, b) (table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8)) - -static UInt32 MY_FAST_CALL CrcUpdateT1(UInt32 v, const void *data, size_t size, const UInt32 *table) -{ - const Byte *p = (const Byte *)data; - for (; size > 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - return v; -} - -#else - -UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const UInt32 *table); -UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const UInt32 *table); - -#endif - -UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size) -{ - return g_CrcUpdate(v, data, size, g_CrcTable); -} - -UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size) -{ - return g_CrcUpdate(CRC_INIT_VAL, data, size, g_CrcTable) ^ CRC_INIT_VAL; -} +UInt32 g_CrcTable[256]; void MY_FAST_CALL CrcGenerateTable() { @@ -52,23 +11,22 @@ void MY_FAST_CALL CrcGenerateTable() for (i = 0; i < 256; i++) { UInt32 r = i; - unsigned j; + int j; for (j = 0; j < 8; j++) r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1)); g_CrcTable[i] = r; } - #if CRC_NUM_TABLES == 1 - g_CrcUpdate = CrcUpdateT1; - #else - for (; i < 256 * CRC_NUM_TABLES; i++) - { - UInt32 r = g_CrcTable[i - 256]; - g_CrcTable[i] = g_CrcTable[r & 0xFF] ^ (r >> 8); - } - g_CrcUpdate = CrcUpdateT4; - #ifdef MY_CPU_X86_OR_AMD64 - if (!CPU_Is_InOrder()) - g_CrcUpdate = CrcUpdateT8; - #endif - #endif +} + +UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size) +{ + const Byte *p = (const Byte *)data; + for (; size > 0 ; size--, p++) + v = CRC_UPDATE_BYTE(v, *p); + return v; +} + +UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size) +{ + return CrcUpdate(CRC_INIT_VAL, data, size) ^ 0xFFFFFFFF; } diff --git a/third_party/lzma_sdk/7zCrc.h b/third_party/lzma_sdk/7zCrc.h index 38e3e5fbc062..bb3d481f4e83 100644 --- a/third_party/lzma_sdk/7zCrc.h +++ b/third_party/lzma_sdk/7zCrc.h @@ -1,25 +1,21 @@ -/* 7zCrc.h -- CRC32 calculation -2009-11-21 : Igor Pavlov : Public domain */ +/* 7zCrc.h */ #ifndef __7Z_CRC_H #define __7Z_CRC_H -#include "Types.h" +#include -EXTERN_C_BEGIN +#include "Types.h" extern UInt32 g_CrcTable[]; -/* Call CrcGenerateTable one time before other CRC functions */ -void MY_FAST_CALL CrcGenerateTable(void); +void MY_FAST_CALL CrcGenerateTable(); #define CRC_INIT_VAL 0xFFFFFFFF -#define CRC_GET_DIGEST(crc) ((crc) ^ CRC_INIT_VAL) +#define CRC_GET_DIGEST(crc) ((crc) ^ 0xFFFFFFFF) #define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8)) UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size); UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size); -EXTERN_C_END - #endif diff --git a/third_party/lzma_sdk/7zCrcOpt.c b/third_party/lzma_sdk/7zCrcOpt.c deleted file mode 100644 index 6c766a209955..000000000000 --- a/third_party/lzma_sdk/7zCrcOpt.c +++ /dev/null @@ -1,34 +0,0 @@ -/* 7zCrcOpt.c -- CRC32 calculation : optimized version -2009-11-23 : Igor Pavlov : Public domain */ - -#include "CpuArch.h" - -#ifdef MY_CPU_LE - -#define CRC_UPDATE_BYTE_2(crc, b) (table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8)) - -UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const UInt32 *table) -{ - const Byte *p = (const Byte *)data; - for (; size > 0 && ((unsigned)(ptrdiff_t)p & 3) != 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - for (; size >= 4; size -= 4, p += 4) - { - v ^= *(const UInt32 *)p; - v = - 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); - return v; -} - -UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const UInt32 *table) -{ - return CrcUpdateT4(v, data, size, table); -} - -#endif diff --git a/third_party/lzma_sdk/7zDec.c b/third_party/lzma_sdk/7zDec.c deleted file mode 100644 index b6d809956cd2..000000000000 --- a/third_party/lzma_sdk/7zDec.c +++ /dev/null @@ -1,470 +0,0 @@ -/* 7zDec.c -- Decoding from 7z folder -2010-11-02 : Igor Pavlov : Public domain */ - -#include - -/* #define _7ZIP_PPMD_SUPPPORT */ - -#include "7z.h" - -#include "Bcj2.h" -#include "Bra.h" -#include "CpuArch.h" -#include "LzmaDec.h" -#include "Lzma2Dec.h" -#ifdef _7ZIP_PPMD_SUPPPORT -#include "Ppmd7.h" -#endif - -#define k_Copy 0 -#define k_LZMA2 0x21 -#define k_LZMA 0x30101 -#define k_BCJ 0x03030103 -#define k_PPC 0x03030205 -#define k_ARM 0x03030501 -#define k_ARMT 0x03030701 -#define k_SPARC 0x03030805 -#define k_BCJ2 0x0303011B - -#ifdef _7ZIP_PPMD_SUPPPORT - -#define k_PPMD 0x30401 - -typedef struct -{ - IByteIn p; - const Byte *cur; - const Byte *end; - const Byte *begin; - UInt64 processed; - Bool extra; - SRes res; - ILookInStream *inStream; -} CByteInToLook; - -static Byte ReadByte(void *pp) -{ - CByteInToLook *p = (CByteInToLook *)pp; - 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); - size = (1 << 25); - p->res = p->inStream->Look(p->inStream, (const void **)&p->begin, &size); - p->cur = p->begin; - p->end = p->begin + size; - if (size != 0) - return *p->cur++;; - } - p->extra = True; - return 0; -} - -static SRes SzDecodePpmd(CSzCoderInfo *coder, UInt64 inSize, ILookInStream *inStream, - Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain) -{ - CPpmd7 ppmd; - CByteInToLook s; - SRes res = SZ_OK; - - s.p.Read = ReadByte; - s.inStream = inStream; - s.begin = s.end = s.cur = NULL; - s.extra = False; - s.res = SZ_OK; - s.processed = 0; - - if (coder->Props.size != 5) - return SZ_ERROR_UNSUPPORTED; - - { - unsigned order = coder->Props.data[0]; - UInt32 memSize = GetUi32(coder->Props.data + 1); - if (order < PPMD7_MIN_ORDER || - order > PPMD7_MAX_ORDER || - memSize < PPMD7_MIN_MEM_SIZE || - memSize > PPMD7_MAX_MEM_SIZE) - return SZ_ERROR_UNSUPPORTED; - Ppmd7_Construct(&ppmd); - if (!Ppmd7_Alloc(&ppmd, memSize, allocMain)) - return SZ_ERROR_MEM; - Ppmd7_Init(&ppmd, order); - } - { - CPpmd7z_RangeDec rc; - Ppmd7z_RangeDec_CreateVTable(&rc); - rc.Stream = &s.p; - if (!Ppmd7z_RangeDec_Init(&rc)) - res = SZ_ERROR_DATA; - else if (s.extra) - res = (s.res != SZ_OK ? s.res : SZ_ERROR_DATA); - else - { - SizeT i; - for (i = 0; i < outSize; i++) - { - int sym = Ppmd7_DecodeSymbol(&ppmd, &rc.p); - if (s.extra || sym < 0) - break; - outBuffer[i] = (Byte)sym; - } - if (i != outSize) - res = (s.res != SZ_OK ? s.res : SZ_ERROR_DATA); - else if (s.processed + (s.cur - s.begin) != inSize || !Ppmd7z_RangeDec_IsFinishedOK(&rc)) - res = SZ_ERROR_DATA; - } - } - Ppmd7_Free(&ppmd, allocMain); - return res; -} - -#endif - - -static SRes SzDecodeLzma(CSzCoderInfo *coder, UInt64 inSize, ILookInStream *inStream, - Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain) -{ - CLzmaDec state; - SRes res = SZ_OK; - - LzmaDec_Construct(&state); - RINOK(LzmaDec_AllocateProbs(&state, coder->Props.data, (unsigned)coder->Props.size, allocMain)); - state.dic = outBuffer; - state.dicBufSize = outSize; - LzmaDec_Init(&state); - - for (;;) - { - Byte *inBuf = NULL; - size_t lookahead = (1 << 18); - if (lookahead > inSize) - lookahead = (size_t)inSize; - res = inStream->Look((void *)inStream, (const void **)&inBuf, &lookahead); - if (res != SZ_OK) - break; - - { - SizeT inProcessed = (SizeT)lookahead, dicPos = state.dicPos; - ELzmaStatus status; - res = LzmaDec_DecodeToDic(&state, outSize, inBuf, &inProcessed, LZMA_FINISH_END, &status); - lookahead -= inProcessed; - inSize -= inProcessed; - if (res != SZ_OK) - break; - if (state.dicPos == state.dicBufSize || (inProcessed == 0 && dicPos == state.dicPos)) - { - if (state.dicBufSize != outSize || lookahead != 0 || - (status != LZMA_STATUS_FINISHED_WITH_MARK && - status != LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK)) - res = SZ_ERROR_DATA; - break; - } - res = inStream->Skip((void *)inStream, inProcessed); - if (res != SZ_OK) - break; - } - } - - LzmaDec_FreeProbs(&state, allocMain); - return res; -} - -static SRes SzDecodeLzma2(CSzCoderInfo *coder, UInt64 inSize, ILookInStream *inStream, - Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain) -{ - CLzma2Dec state; - SRes res = SZ_OK; - - Lzma2Dec_Construct(&state); - if (coder->Props.size != 1) - return SZ_ERROR_DATA; - RINOK(Lzma2Dec_AllocateProbs(&state, coder->Props.data[0], allocMain)); - state.decoder.dic = outBuffer; - state.decoder.dicBufSize = outSize; - Lzma2Dec_Init(&state); - - for (;;) - { - Byte *inBuf = NULL; - size_t lookahead = (1 << 18); - if (lookahead > inSize) - lookahead = (size_t)inSize; - res = inStream->Look((void *)inStream, (const void **)&inBuf, &lookahead); - if (res != SZ_OK) - break; - - { - SizeT inProcessed = (SizeT)lookahead, dicPos = state.decoder.dicPos; - ELzmaStatus status; - res = Lzma2Dec_DecodeToDic(&state, outSize, inBuf, &inProcessed, LZMA_FINISH_END, &status); - lookahead -= inProcessed; - inSize -= inProcessed; - if (res != SZ_OK) - break; - if (state.decoder.dicPos == state.decoder.dicBufSize || (inProcessed == 0 && dicPos == state.decoder.dicPos)) - { - if (state.decoder.dicBufSize != outSize || lookahead != 0 || - (status != LZMA_STATUS_FINISHED_WITH_MARK)) - res = SZ_ERROR_DATA; - break; - } - res = inStream->Skip((void *)inStream, inProcessed); - if (res != SZ_OK) - break; - } - } - - Lzma2Dec_FreeProbs(&state, allocMain); - return res; -} - -static SRes SzDecodeCopy(UInt64 inSize, ILookInStream *inStream, Byte *outBuffer) -{ - while (inSize > 0) - { - void *inBuf; - size_t curSize = (1 << 18); - if (curSize > inSize) - curSize = (size_t)inSize; - RINOK(inStream->Look((void *)inStream, (const void **)&inBuf, &curSize)); - if (curSize == 0) - return SZ_ERROR_INPUT_EOF; - memcpy(outBuffer, inBuf, curSize); - outBuffer += curSize; - inSize -= curSize; - RINOK(inStream->Skip((void *)inStream, curSize)); - } - return SZ_OK; -} - -static Bool IS_MAIN_METHOD(UInt32 m) -{ - switch(m) - { - case k_Copy: - case k_LZMA: - case k_LZMA2: - #ifdef _7ZIP_PPMD_SUPPPORT - case k_PPMD: - #endif - return True; - } - return False; -} - -static Bool IS_SUPPORTED_CODER(const CSzCoderInfo *c) -{ - return - c->NumInStreams == 1 && - c->NumOutStreams == 1 && - c->MethodID <= (UInt32)0xFFFFFFFF && - IS_MAIN_METHOD((UInt32)c->MethodID); -} - -#define IS_BCJ2(c) ((c)->MethodID == k_BCJ2 && (c)->NumInStreams == 4 && (c)->NumOutStreams == 1) - -static SRes CheckSupportedFolder(const CSzFolder *f) -{ - if (f->NumCoders < 1 || f->NumCoders > 4) - return SZ_ERROR_UNSUPPORTED; - if (!IS_SUPPORTED_CODER(&f->Coders[0])) - return SZ_ERROR_UNSUPPORTED; - if (f->NumCoders == 1) - { - if (f->NumPackStreams != 1 || f->PackStreams[0] != 0 || f->NumBindPairs != 0) - return SZ_ERROR_UNSUPPORTED; - return SZ_OK; - } - if (f->NumCoders == 2) - { - CSzCoderInfo *c = &f->Coders[1]; - if (c->MethodID > (UInt32)0xFFFFFFFF || - c->NumInStreams != 1 || - c->NumOutStreams != 1 || - f->NumPackStreams != 1 || - f->PackStreams[0] != 0 || - f->NumBindPairs != 1 || - f->BindPairs[0].InIndex != 1 || - f->BindPairs[0].OutIndex != 0) - return SZ_ERROR_UNSUPPORTED; - switch ((UInt32)c->MethodID) - { - case k_BCJ: - case k_ARM: - break; - default: - return SZ_ERROR_UNSUPPORTED; - } - return SZ_OK; - } - if (f->NumCoders == 4) - { - if (!IS_SUPPORTED_CODER(&f->Coders[1]) || - !IS_SUPPORTED_CODER(&f->Coders[2]) || - !IS_BCJ2(&f->Coders[3])) - return SZ_ERROR_UNSUPPORTED; - if (f->NumPackStreams != 4 || - f->PackStreams[0] != 2 || - f->PackStreams[1] != 6 || - f->PackStreams[2] != 1 || - f->PackStreams[3] != 0 || - f->NumBindPairs != 3 || - f->BindPairs[0].InIndex != 5 || f->BindPairs[0].OutIndex != 0 || - f->BindPairs[1].InIndex != 4 || f->BindPairs[1].OutIndex != 1 || - f->BindPairs[2].InIndex != 3 || f->BindPairs[2].OutIndex != 2) - return SZ_ERROR_UNSUPPORTED; - return SZ_OK; - } - return SZ_ERROR_UNSUPPORTED; -} - -static UInt64 GetSum(const UInt64 *values, UInt32 index) -{ - UInt64 sum = 0; - UInt32 i; - for (i = 0; i < index; i++) - sum += values[i]; - return sum; -} - -#define CASE_BRA_CONV(isa) case k_ ## isa: isa ## _Convert(outBuffer, outSize, 0, 0); break; - -static SRes SzFolder_Decode2(const CSzFolder *folder, const UInt64 *packSizes, - ILookInStream *inStream, UInt64 startPos, - Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain, - Byte *tempBuf[]) -{ - UInt32 ci; - SizeT tempSizes[3] = { 0, 0, 0}; - SizeT tempSize3 = 0; - Byte *tempBuf3 = 0; - - RINOK(CheckSupportedFolder(folder)); - - for (ci = 0; ci < folder->NumCoders; ci++) - { - CSzCoderInfo *coder = &folder->Coders[ci]; - - if (IS_MAIN_METHOD((UInt32)coder->MethodID)) - { - UInt32 si = 0; - UInt64 offset; - UInt64 inSize; - Byte *outBufCur = outBuffer; - SizeT outSizeCur = outSize; - if (folder->NumCoders == 4) - { - UInt32 indices[] = { 3, 2, 0 }; - UInt64 unpackSize = folder->UnpackSizes[ci]; - si = indices[ci]; - if (ci < 2) - { - Byte *temp; - outSizeCur = (SizeT)unpackSize; - if (outSizeCur != unpackSize) - return SZ_ERROR_MEM; - temp = (Byte *)IAlloc_Alloc(allocMain, outSizeCur); - if (temp == 0 && outSizeCur != 0) - return SZ_ERROR_MEM; - outBufCur = tempBuf[1 - ci] = temp; - tempSizes[1 - ci] = outSizeCur; - } - else if (ci == 2) - { - if (unpackSize > outSize) /* check it */ - return SZ_ERROR_PARAM; - tempBuf3 = outBufCur = outBuffer + (outSize - (size_t)unpackSize); - tempSize3 = outSizeCur = (SizeT)unpackSize; - } - else - return SZ_ERROR_UNSUPPORTED; - } - offset = GetSum(packSizes, si); - inSize = packSizes[si]; - RINOK(LookInStream_SeekTo(inStream, startPos + offset)); - - if (coder->MethodID == k_Copy) - { - if (inSize != outSizeCur) /* check it */ - return SZ_ERROR_DATA; - RINOK(SzDecodeCopy(inSize, inStream, outBufCur)); - } - else if (coder->MethodID == k_LZMA) - { - RINOK(SzDecodeLzma(coder, inSize, inStream, outBufCur, outSizeCur, allocMain)); - } - else if (coder->MethodID == k_LZMA2) - { - RINOK(SzDecodeLzma2(coder, inSize, inStream, outBufCur, outSizeCur, allocMain)); - } - else - { - #ifdef _7ZIP_PPMD_SUPPPORT - RINOK(SzDecodePpmd(coder, inSize, inStream, outBufCur, outSizeCur, allocMain)); - #else - return SZ_ERROR_UNSUPPORTED; - #endif - } - } - else if (coder->MethodID == k_BCJ2) - { - UInt64 offset = GetSum(packSizes, 1); - UInt64 s3Size = packSizes[1]; - SRes res; - if (ci != 3) - return SZ_ERROR_UNSUPPORTED; - RINOK(LookInStream_SeekTo(inStream, startPos + offset)); - tempSizes[2] = (SizeT)s3Size; - if (tempSizes[2] != s3Size) - return SZ_ERROR_MEM; - tempBuf[2] = (Byte *)IAlloc_Alloc(allocMain, tempSizes[2]); - if (tempBuf[2] == 0 && tempSizes[2] != 0) - return SZ_ERROR_MEM; - res = SzDecodeCopy(s3Size, inStream, tempBuf[2]); - RINOK(res) - - res = Bcj2_Decode( - tempBuf3, tempSize3, - tempBuf[0], tempSizes[0], - tempBuf[1], tempSizes[1], - tempBuf[2], tempSizes[2], - outBuffer, outSize); - RINOK(res) - } - else - { - if (ci != 1) - return SZ_ERROR_UNSUPPORTED; - switch(coder->MethodID) - { - case k_BCJ: - { - UInt32 state; - x86_Convert_Init(state); - x86_Convert(outBuffer, outSize, 0, &state, 0); - break; - } - CASE_BRA_CONV(ARM) - default: - return SZ_ERROR_UNSUPPORTED; - } - } - } - return SZ_OK; -} - -SRes SzFolder_Decode(const CSzFolder *folder, const UInt64 *packSizes, - ILookInStream *inStream, UInt64 startPos, - Byte *outBuffer, size_t outSize, ISzAlloc *allocMain) -{ - Byte *tempBuf[3] = { 0, 0, 0}; - int i; - SRes res = SzFolder_Decode2(folder, packSizes, inStream, startPos, - outBuffer, (SizeT)outSize, allocMain, tempBuf); - for (i = 0; i < 3; i++) - IAlloc_Free(allocMain, tempBuf[i]); - return res; -} diff --git a/third_party/lzma_sdk/7zFile.c b/third_party/lzma_sdk/7zFile.c deleted file mode 100644 index a66c9e9d08e5..000000000000 --- a/third_party/lzma_sdk/7zFile.c +++ /dev/null @@ -1,284 +0,0 @@ -/* 7zFile.c -- File IO -2009-11-24 : Igor Pavlov : Public domain */ - -#include "7zFile.h" - -#ifndef USE_WINDOWS_FILE - -#ifndef UNDER_CE -#include -#endif - -#else - -/* - ReadFile and WriteFile functions in Windows have BUG: - If you Read or Write 64MB or more (probably min_failure_size = 64MB - 32KB + 1) - from/to Network file, it returns ERROR_NO_SYSTEM_RESOURCES - (Insufficient system resources exist to complete the requested service). - Probably in some version of Windows there are problems with other sizes: - for 32 MB (maybe also for 16 MB). - And message can be "Network connection was lost" -*/ - -#define kChunkSizeMax (1 << 22) - -#endif - -void File_Construct(CSzFile *p) -{ - #ifdef USE_WINDOWS_FILE - p->handle = INVALID_HANDLE_VALUE; - #else - p->file = NULL; - #endif -} - -#if !defined(UNDER_CE) || !defined(USE_WINDOWS_FILE) -static WRes File_Open(CSzFile *p, const char *name, int writeMode) -{ - #ifdef USE_WINDOWS_FILE - p->handle = CreateFileA(name, - writeMode ? GENERIC_WRITE : GENERIC_READ, - FILE_SHARE_READ, NULL, - writeMode ? CREATE_ALWAYS : OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL, NULL); - return (p->handle != INVALID_HANDLE_VALUE) ? 0 : GetLastError(); - #else - p->file = fopen(name, writeMode ? "wb+" : "rb"); - return (p->file != 0) ? 0 : - #ifdef UNDER_CE - 2; /* ENOENT */ - #else - errno; - #endif - #endif -} - -WRes InFile_Open(CSzFile *p, const char *name) { return File_Open(p, name, 0); } -WRes OutFile_Open(CSzFile *p, const char *name) { return File_Open(p, name, 1); } -#endif - -#ifdef USE_WINDOWS_FILE -static WRes File_OpenW(CSzFile *p, const WCHAR *name, int writeMode) -{ - p->handle = CreateFileW(name, - writeMode ? GENERIC_WRITE : GENERIC_READ, - FILE_SHARE_READ, NULL, - writeMode ? CREATE_ALWAYS : OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL, NULL); - return (p->handle != INVALID_HANDLE_VALUE) ? 0 : GetLastError(); -} -WRes InFile_OpenW(CSzFile *p, const WCHAR *name) { return File_OpenW(p, name, 0); } -WRes OutFile_OpenW(CSzFile *p, const WCHAR *name) { return File_OpenW(p, name, 1); } -#endif - -WRes File_Close(CSzFile *p) -{ - #ifdef USE_WINDOWS_FILE - if (p->handle != INVALID_HANDLE_VALUE) - { - if (!CloseHandle(p->handle)) - return GetLastError(); - p->handle = INVALID_HANDLE_VALUE; - } - #else - if (p->file != NULL) - { - int res = fclose(p->file); - if (res != 0) - return res; - p->file = NULL; - } - #endif - return 0; -} - -WRes File_Read(CSzFile *p, void *data, size_t *size) -{ - size_t originalSize = *size; - if (originalSize == 0) - return 0; - - #ifdef USE_WINDOWS_FILE - - *size = 0; - do - { - DWORD curSize = (originalSize > kChunkSizeMax) ? kChunkSizeMax : (DWORD)originalSize; - DWORD processed = 0; - BOOL res = ReadFile(p->handle, data, curSize, &processed, NULL); - data = (void *)((Byte *)data + processed); - originalSize -= processed; - *size += processed; - if (!res) - return GetLastError(); - if (processed == 0) - break; - } - while (originalSize > 0); - return 0; - - #else - - *size = fread(data, 1, originalSize, p->file); - if (*size == originalSize) - return 0; - return ferror(p->file); - - #endif -} - -WRes File_Write(CSzFile *p, const void *data, size_t *size) -{ - size_t originalSize = *size; - if (originalSize == 0) - return 0; - - #ifdef USE_WINDOWS_FILE - - *size = 0; - do - { - DWORD curSize = (originalSize > kChunkSizeMax) ? kChunkSizeMax : (DWORD)originalSize; - DWORD processed = 0; - BOOL res = WriteFile(p->handle, data, curSize, &processed, NULL); - data = (void *)((Byte *)data + processed); - originalSize -= processed; - *size += processed; - if (!res) - return GetLastError(); - if (processed == 0) - break; - } - while (originalSize > 0); - return 0; - - #else - - *size = fwrite(data, 1, originalSize, p->file); - if (*size == originalSize) - return 0; - return ferror(p->file); - - #endif -} - -WRes File_Seek(CSzFile *p, Int64 *pos, ESzSeek origin) -{ - #ifdef USE_WINDOWS_FILE - - LARGE_INTEGER value; - DWORD moveMethod; - value.LowPart = (DWORD)*pos; - value.HighPart = (LONG)((UInt64)*pos >> 16 >> 16); /* for case when UInt64 is 32-bit only */ - switch (origin) - { - case SZ_SEEK_SET: moveMethod = FILE_BEGIN; break; - case SZ_SEEK_CUR: moveMethod = FILE_CURRENT; break; - case SZ_SEEK_END: moveMethod = FILE_END; break; - default: return ERROR_INVALID_PARAMETER; - } - value.LowPart = SetFilePointer(p->handle, value.LowPart, &value.HighPart, moveMethod); - if (value.LowPart == 0xFFFFFFFF) - { - WRes res = GetLastError(); - if (res != NO_ERROR) - return res; - } - *pos = ((Int64)value.HighPart << 32) | value.LowPart; - return 0; - - #else - - int moveMethod; - int res; - switch (origin) - { - case SZ_SEEK_SET: moveMethod = SEEK_SET; break; - case SZ_SEEK_CUR: moveMethod = SEEK_CUR; break; - case SZ_SEEK_END: moveMethod = SEEK_END; break; - default: return 1; - } - res = fseek(p->file, (long)*pos, moveMethod); - *pos = ftell(p->file); - return res; - - #endif -} - -WRes File_GetLength(CSzFile *p, UInt64 *length) -{ - #ifdef USE_WINDOWS_FILE - - DWORD sizeHigh; - DWORD sizeLow = GetFileSize(p->handle, &sizeHigh); - if (sizeLow == 0xFFFFFFFF) - { - DWORD res = GetLastError(); - if (res != NO_ERROR) - return res; - } - *length = (((UInt64)sizeHigh) << 32) + sizeLow; - return 0; - - #else - - long pos = ftell(p->file); - int res = fseek(p->file, 0, SEEK_END); - *length = ftell(p->file); - fseek(p->file, pos, SEEK_SET); - return res; - - #endif -} - - -/* ---------- FileSeqInStream ---------- */ - -static SRes FileSeqInStream_Read(void *pp, void *buf, size_t *size) -{ - CFileSeqInStream *p = (CFileSeqInStream *)pp; - return File_Read(&p->file, buf, size) == 0 ? SZ_OK : SZ_ERROR_READ; -} - -void FileSeqInStream_CreateVTable(CFileSeqInStream *p) -{ - p->s.Read = FileSeqInStream_Read; -} - - -/* ---------- FileInStream ---------- */ - -static SRes FileInStream_Read(void *pp, void *buf, size_t *size) -{ - CFileInStream *p = (CFileInStream *)pp; - return (File_Read(&p->file, buf, size) == 0) ? SZ_OK : SZ_ERROR_READ; -} - -static SRes FileInStream_Seek(void *pp, Int64 *pos, ESzSeek origin) -{ - CFileInStream *p = (CFileInStream *)pp; - return File_Seek(&p->file, pos, origin); -} - -void FileInStream_CreateVTable(CFileInStream *p) -{ - p->s.Read = FileInStream_Read; - p->s.Seek = FileInStream_Seek; -} - - -/* ---------- FileOutStream ---------- */ - -static size_t FileOutStream_Write(void *pp, const void *data, size_t size) -{ - CFileOutStream *p = (CFileOutStream *)pp; - File_Write(&p->file, data, &size); - return size; -} - -void FileOutStream_CreateVTable(CFileOutStream *p) -{ - p->s.Write = FileOutStream_Write; -} diff --git a/third_party/lzma_sdk/7zFile.h b/third_party/lzma_sdk/7zFile.h deleted file mode 100644 index 84538c03fd28..000000000000 --- a/third_party/lzma_sdk/7zFile.h +++ /dev/null @@ -1,83 +0,0 @@ -/* 7zFile.h -- File IO -2009-11-24 : Igor Pavlov : Public domain */ - -#ifndef __7Z_FILE_H -#define __7Z_FILE_H - -#ifdef _WIN32 -#define USE_WINDOWS_FILE -#endif - -#ifdef USE_WINDOWS_FILE -#include -#else -#include -#endif - -#include "Types.h" - -EXTERN_C_BEGIN - -/* ---------- File ---------- */ - -typedef struct -{ - #ifdef USE_WINDOWS_FILE - HANDLE handle; - #else - FILE *file; - #endif -} CSzFile; - -void File_Construct(CSzFile *p); -#if !defined(UNDER_CE) || !defined(USE_WINDOWS_FILE) -WRes InFile_Open(CSzFile *p, const char *name); -WRes OutFile_Open(CSzFile *p, const char *name); -#endif -#ifdef USE_WINDOWS_FILE -WRes InFile_OpenW(CSzFile *p, const WCHAR *name); -WRes OutFile_OpenW(CSzFile *p, const WCHAR *name); -#endif -WRes File_Close(CSzFile *p); - -/* reads max(*size, remain file's size) bytes */ -WRes File_Read(CSzFile *p, void *data, size_t *size); - -/* writes *size bytes */ -WRes File_Write(CSzFile *p, const void *data, size_t *size); - -WRes File_Seek(CSzFile *p, Int64 *pos, ESzSeek origin); -WRes File_GetLength(CSzFile *p, UInt64 *length); - - -/* ---------- FileInStream ---------- */ - -typedef struct -{ - ISeqInStream s; - CSzFile file; -} CFileSeqInStream; - -void FileSeqInStream_CreateVTable(CFileSeqInStream *p); - - -typedef struct -{ - ISeekInStream s; - CSzFile file; -} CFileInStream; - -void FileInStream_CreateVTable(CFileInStream *p); - - -typedef struct -{ - ISeqOutStream s; - CSzFile file; -} CFileOutStream; - -void FileOutStream_CreateVTable(CFileOutStream *p); - -EXTERN_C_END - -#endif diff --git a/third_party/lzma_sdk/7zIn.c b/third_party/lzma_sdk/7zIn.c deleted file mode 100644 index ec93a43ffec7..000000000000 --- a/third_party/lzma_sdk/7zIn.c +++ /dev/null @@ -1,1402 +0,0 @@ -/* 7zIn.c -- 7z Input functions -2010-10-29 : Igor Pavlov : Public domain */ - -#include - -#include "7z.h" -#include "7zCrc.h" -#include "CpuArch.h" - -Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C}; - -#define RINOM(x) { if ((x) == 0) return SZ_ERROR_MEM; } - -#define NUM_FOLDER_CODERS_MAX 32 -#define NUM_CODER_STREAMS_MAX 32 - -void SzCoderInfo_Init(CSzCoderInfo *p) -{ - Buf_Init(&p->Props); -} - -void SzCoderInfo_Free(CSzCoderInfo *p, ISzAlloc *alloc) -{ - Buf_Free(&p->Props, alloc); - SzCoderInfo_Init(p); -} - -void SzFolder_Init(CSzFolder *p) -{ - p->Coders = 0; - p->BindPairs = 0; - p->PackStreams = 0; - p->UnpackSizes = 0; - p->NumCoders = 0; - p->NumBindPairs = 0; - p->NumPackStreams = 0; - p->UnpackCRCDefined = 0; - p->UnpackCRC = 0; - p->NumUnpackStreams = 0; -} - -void SzFolder_Free(CSzFolder *p, ISzAlloc *alloc) -{ - UInt32 i; - if (p->Coders) - for (i = 0; i < p->NumCoders; i++) - SzCoderInfo_Free(&p->Coders[i], alloc); - IAlloc_Free(alloc, p->Coders); - IAlloc_Free(alloc, p->BindPairs); - IAlloc_Free(alloc, p->PackStreams); - IAlloc_Free(alloc, p->UnpackSizes); - SzFolder_Init(p); -} - -UInt32 SzFolder_GetNumOutStreams(CSzFolder *p) -{ - UInt32 result = 0; - UInt32 i; - for (i = 0; i < p->NumCoders; i++) - result += p->Coders[i].NumOutStreams; - return result; -} - -int SzFolder_FindBindPairForInStream(CSzFolder *p, UInt32 inStreamIndex) -{ - UInt32 i; - for (i = 0; i < p->NumBindPairs; i++) - if (p->BindPairs[i].InIndex == inStreamIndex) - return i; - return -1; -} - - -int SzFolder_FindBindPairForOutStream(CSzFolder *p, UInt32 outStreamIndex) -{ - UInt32 i; - for (i = 0; i < p->NumBindPairs; i++) - if (p->BindPairs[i].OutIndex == outStreamIndex) - return i; - return -1; -} - -UInt64 SzFolder_GetUnpackSize(CSzFolder *p) -{ - int i = (int)SzFolder_GetNumOutStreams(p); - if (i == 0) - return 0; - for (i--; i >= 0; i--) - if (SzFolder_FindBindPairForOutStream(p, i) < 0) - return p->UnpackSizes[i]; - /* throw 1; */ - return 0; -} - -void SzFile_Init(CSzFileItem *p) -{ - p->HasStream = 1; - p->IsDir = 0; - p->IsAnti = 0; - p->CrcDefined = 0; - p->MTimeDefined = 0; -} - -void SzAr_Init(CSzAr *p) -{ - p->PackSizes = 0; - p->PackCRCsDefined = 0; - p->PackCRCs = 0; - p->Folders = 0; - p->Files = 0; - p->NumPackStreams = 0; - p->NumFolders = 0; - p->NumFiles = 0; -} - -void SzAr_Free(CSzAr *p, ISzAlloc *alloc) -{ - UInt32 i; - if (p->Folders) - for (i = 0; i < p->NumFolders; i++) - SzFolder_Free(&p->Folders[i], alloc); - - IAlloc_Free(alloc, p->PackSizes); - IAlloc_Free(alloc, p->PackCRCsDefined); - IAlloc_Free(alloc, p->PackCRCs); - IAlloc_Free(alloc, p->Folders); - IAlloc_Free(alloc, p->Files); - SzAr_Init(p); -} - - -void SzArEx_Init(CSzArEx *p) -{ - SzAr_Init(&p->db); - p->FolderStartPackStreamIndex = 0; - p->PackStreamStartPositions = 0; - p->FolderStartFileIndex = 0; - p->FileIndexToFolderIndexMap = 0; - p->FileNameOffsets = 0; - Buf_Init(&p->FileNames); -} - -void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc) -{ - IAlloc_Free(alloc, p->FolderStartPackStreamIndex); - IAlloc_Free(alloc, p->PackStreamStartPositions); - IAlloc_Free(alloc, p->FolderStartFileIndex); - IAlloc_Free(alloc, p->FileIndexToFolderIndexMap); - - IAlloc_Free(alloc, p->FileNameOffsets); - Buf_Free(&p->FileNames, alloc); - - SzAr_Free(&p->db, alloc); - SzArEx_Init(p); -} - -/* -UInt64 GetFolderPackStreamSize(int folderIndex, int streamIndex) const -{ - return PackSizes[FolderStartPackStreamIndex[folderIndex] + streamIndex]; -} - -UInt64 GetFilePackSize(int fileIndex) const -{ - int folderIndex = FileIndexToFolderIndexMap[fileIndex]; - if (folderIndex >= 0) - { - const CSzFolder &folderInfo = Folders[folderIndex]; - if (FolderStartFileIndex[folderIndex] == fileIndex) - return GetFolderFullPackSize(folderIndex); - } - return 0; -} -*/ - -#define MY_ALLOC(T, p, size, alloc) { if ((size) == 0) p = 0; else \ - if ((p = (T *)IAlloc_Alloc(alloc, (size) * sizeof(T))) == 0) return SZ_ERROR_MEM; } - -static SRes SzArEx_Fill(CSzArEx *p, ISzAlloc *alloc) -{ - UInt32 startPos = 0; - UInt64 startPosSize = 0; - UInt32 i; - UInt32 folderIndex = 0; - UInt32 indexInFolder = 0; - MY_ALLOC(UInt32, p->FolderStartPackStreamIndex, p->db.NumFolders, alloc); - for (i = 0; i < p->db.NumFolders; i++) - { - p->FolderStartPackStreamIndex[i] = startPos; - startPos += p->db.Folders[i].NumPackStreams; - } - - MY_ALLOC(UInt64, p->PackStreamStartPositions, p->db.NumPackStreams, alloc); - - for (i = 0; i < p->db.NumPackStreams; i++) - { - p->PackStreamStartPositions[i] = startPosSize; - startPosSize += p->db.PackSizes[i]; - } - - MY_ALLOC(UInt32, p->FolderStartFileIndex, p->db.NumFolders, alloc); - MY_ALLOC(UInt32, p->FileIndexToFolderIndexMap, p->db.NumFiles, alloc); - - for (i = 0; i < p->db.NumFiles; i++) - { - CSzFileItem *file = p->db.Files + i; - int emptyStream = !file->HasStream; - if (emptyStream && indexInFolder == 0) - { - p->FileIndexToFolderIndexMap[i] = (UInt32)-1; - continue; - } - if (indexInFolder == 0) - { - /* - v3.13 incorrectly worked with empty folders - v4.07: Loop for skipping empty folders - */ - for (;;) - { - if (folderIndex >= p->db.NumFolders) - return SZ_ERROR_ARCHIVE; - p->FolderStartFileIndex[folderIndex] = i; - if (p->db.Folders[folderIndex].NumUnpackStreams != 0) - break; - folderIndex++; - } - } - p->FileIndexToFolderIndexMap[i] = folderIndex; - if (emptyStream) - continue; - indexInFolder++; - if (indexInFolder >= p->db.Folders[folderIndex].NumUnpackStreams) - { - folderIndex++; - indexInFolder = 0; - } - } - return SZ_OK; -} - - -UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder) -{ - return p->dataPos + - p->PackStreamStartPositions[p->FolderStartPackStreamIndex[folderIndex] + indexInFolder]; -} - -int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize) -{ - UInt32 packStreamIndex = p->FolderStartPackStreamIndex[folderIndex]; - CSzFolder *folder = p->db.Folders + folderIndex; - UInt64 size = 0; - UInt32 i; - for (i = 0; i < folder->NumPackStreams; i++) - { - UInt64 t = size + p->db.PackSizes[packStreamIndex + i]; - if (t < size) /* check it */ - return SZ_ERROR_FAIL; - size = t; - } - *resSize = size; - return SZ_OK; -} - - -/* -SRes SzReadTime(const CObjectVector &dataVector, - CObjectVector &files, UInt64 type) -{ - CBoolVector boolVector; - RINOK(ReadBoolVector2(files.Size(), boolVector)) - - CStreamSwitch streamSwitch; - RINOK(streamSwitch.Set(this, &dataVector)); - - for (int i = 0; i < files.Size(); i++) - { - CSzFileItem &file = files[i]; - CArchiveFileTime fileTime; - bool defined = boolVector[i]; - if (defined) - { - UInt32 low, high; - RINOK(SzReadUInt32(low)); - RINOK(SzReadUInt32(high)); - fileTime.dwLowDateTime = low; - fileTime.dwHighDateTime = high; - } - switch(type) - { - case k7zIdCTime: file.IsCTimeDefined = defined; if (defined) file.CTime = fileTime; break; - case k7zIdATime: file.IsATimeDefined = defined; if (defined) file.ATime = fileTime; break; - case k7zIdMTime: file.IsMTimeDefined = defined; if (defined) file.MTime = fileTime; break; - } - } - return SZ_OK; -} -*/ - -static int TestSignatureCandidate(Byte *testBytes) -{ - size_t i; - for (i = 0; i < k7zSignatureSize; i++) - if (testBytes[i] != k7zSignature[i]) - return 0; - return 1; -} - -typedef struct _CSzState -{ - Byte *Data; - size_t Size; -}CSzData; - -static SRes SzReadByte(CSzData *sd, Byte *b) -{ - if (sd->Size == 0) - return SZ_ERROR_ARCHIVE; - sd->Size--; - *b = *sd->Data++; - return SZ_OK; -} - -static SRes SzReadBytes(CSzData *sd, Byte *data, size_t size) -{ - size_t i; - for (i = 0; i < size; i++) - { - RINOK(SzReadByte(sd, data + i)); - } - return SZ_OK; -} - -static SRes SzReadUInt32(CSzData *sd, UInt32 *value) -{ - int i; - *value = 0; - for (i = 0; i < 4; i++) - { - Byte b; - RINOK(SzReadByte(sd, &b)); - *value |= ((UInt32)(b) << (8 * i)); - } - return SZ_OK; -} - -static SRes SzReadNumber(CSzData *sd, UInt64 *value) -{ - Byte firstByte; - Byte mask = 0x80; - int i; - RINOK(SzReadByte(sd, &firstByte)); - *value = 0; - for (i = 0; i < 8; i++) - { - Byte b; - if ((firstByte & mask) == 0) - { - UInt64 highPart = firstByte & (mask - 1); - *value += (highPart << (8 * i)); - return SZ_OK; - } - RINOK(SzReadByte(sd, &b)); - *value |= ((UInt64)b << (8 * i)); - mask >>= 1; - } - return SZ_OK; -} - -static SRes SzReadNumber32(CSzData *sd, UInt32 *value) -{ - UInt64 value64; - RINOK(SzReadNumber(sd, &value64)); - if (value64 >= 0x80000000) - return SZ_ERROR_UNSUPPORTED; - if (value64 >= ((UInt64)(1) << ((sizeof(size_t) - 1) * 8 + 2))) - return SZ_ERROR_UNSUPPORTED; - *value = (UInt32)value64; - return SZ_OK; -} - -static SRes SzReadID(CSzData *sd, UInt64 *value) -{ - return SzReadNumber(sd, value); -} - -static SRes SzSkeepDataSize(CSzData *sd, UInt64 size) -{ - if (size > sd->Size) - return SZ_ERROR_ARCHIVE; - sd->Size -= (size_t)size; - sd->Data += (size_t)size; - return SZ_OK; -} - -static SRes SzSkeepData(CSzData *sd) -{ - UInt64 size; - RINOK(SzReadNumber(sd, &size)); - return SzSkeepDataSize(sd, size); -} - -static SRes SzReadArchiveProperties(CSzData *sd) -{ - for (;;) - { - UInt64 type; - RINOK(SzReadID(sd, &type)); - if (type == k7zIdEnd) - break; - SzSkeepData(sd); - } - return SZ_OK; -} - -static SRes SzWaitAttribute(CSzData *sd, UInt64 attribute) -{ - for (;;) - { - UInt64 type; - RINOK(SzReadID(sd, &type)); - if (type == attribute) - return SZ_OK; - if (type == k7zIdEnd) - return SZ_ERROR_ARCHIVE; - RINOK(SzSkeepData(sd)); - } -} - -static SRes SzReadBoolVector(CSzData *sd, size_t numItems, Byte **v, ISzAlloc *alloc) -{ - Byte b = 0; - Byte mask = 0; - size_t i; - MY_ALLOC(Byte, *v, numItems, alloc); - for (i = 0; i < numItems; i++) - { - if (mask == 0) - { - RINOK(SzReadByte(sd, &b)); - mask = 0x80; - } - (*v)[i] = (Byte)(((b & mask) != 0) ? 1 : 0); - mask >>= 1; - } - return SZ_OK; -} - -static SRes SzReadBoolVector2(CSzData *sd, size_t numItems, Byte **v, ISzAlloc *alloc) -{ - Byte allAreDefined; - size_t i; - RINOK(SzReadByte(sd, &allAreDefined)); - if (allAreDefined == 0) - return SzReadBoolVector(sd, numItems, v, alloc); - MY_ALLOC(Byte, *v, numItems, alloc); - for (i = 0; i < numItems; i++) - (*v)[i] = 1; - return SZ_OK; -} - -static SRes SzReadHashDigests( - CSzData *sd, - size_t numItems, - Byte **digestsDefined, - UInt32 **digests, - ISzAlloc *alloc) -{ - size_t i; - RINOK(SzReadBoolVector2(sd, numItems, digestsDefined, alloc)); - MY_ALLOC(UInt32, *digests, numItems, alloc); - for (i = 0; i < numItems; i++) - if ((*digestsDefined)[i]) - { - RINOK(SzReadUInt32(sd, (*digests) + i)); - } - return SZ_OK; -} - -static SRes SzReadPackInfo( - CSzData *sd, - UInt64 *dataOffset, - UInt32 *numPackStreams, - UInt64 **packSizes, - Byte **packCRCsDefined, - UInt32 **packCRCs, - ISzAlloc *alloc) -{ - UInt32 i; - RINOK(SzReadNumber(sd, dataOffset)); - RINOK(SzReadNumber32(sd, numPackStreams)); - - RINOK(SzWaitAttribute(sd, k7zIdSize)); - - MY_ALLOC(UInt64, *packSizes, (size_t)*numPackStreams, alloc); - - for (i = 0; i < *numPackStreams; i++) - { - RINOK(SzReadNumber(sd, (*packSizes) + i)); - } - - for (;;) - { - UInt64 type; - RINOK(SzReadID(sd, &type)); - if (type == k7zIdEnd) - break; - if (type == k7zIdCRC) - { - RINOK(SzReadHashDigests(sd, (size_t)*numPackStreams, packCRCsDefined, packCRCs, alloc)); - continue; - } - RINOK(SzSkeepData(sd)); - } - if (*packCRCsDefined == 0) - { - MY_ALLOC(Byte, *packCRCsDefined, (size_t)*numPackStreams, alloc); - MY_ALLOC(UInt32, *packCRCs, (size_t)*numPackStreams, alloc); - for (i = 0; i < *numPackStreams; i++) - { - (*packCRCsDefined)[i] = 0; - (*packCRCs)[i] = 0; - } - } - return SZ_OK; -} - -static SRes SzReadSwitch(CSzData *sd) -{ - Byte external; - RINOK(SzReadByte(sd, &external)); - return (external == 0) ? SZ_OK: SZ_ERROR_UNSUPPORTED; -} - -static SRes SzGetNextFolderItem(CSzData *sd, CSzFolder *folder, ISzAlloc *alloc) -{ - UInt32 numCoders, numBindPairs, numPackStreams, i; - UInt32 numInStreams = 0, numOutStreams = 0; - - RINOK(SzReadNumber32(sd, &numCoders)); - if (numCoders > NUM_FOLDER_CODERS_MAX) - return SZ_ERROR_UNSUPPORTED; - folder->NumCoders = numCoders; - - MY_ALLOC(CSzCoderInfo, folder->Coders, (size_t)numCoders, alloc); - - for (i = 0; i < numCoders; i++) - SzCoderInfo_Init(folder->Coders + i); - - for (i = 0; i < numCoders; i++) - { - Byte mainByte; - CSzCoderInfo *coder = folder->Coders + i; - { - unsigned idSize, j; - Byte longID[15]; - RINOK(SzReadByte(sd, &mainByte)); - idSize = (unsigned)(mainByte & 0xF); - RINOK(SzReadBytes(sd, longID, idSize)); - if (idSize > sizeof(coder->MethodID)) - return SZ_ERROR_UNSUPPORTED; - coder->MethodID = 0; - for (j = 0; j < idSize; j++) - coder->MethodID |= (UInt64)longID[idSize - 1 - j] << (8 * j); - - if ((mainByte & 0x10) != 0) - { - RINOK(SzReadNumber32(sd, &coder->NumInStreams)); - RINOK(SzReadNumber32(sd, &coder->NumOutStreams)); - if (coder->NumInStreams > NUM_CODER_STREAMS_MAX || - coder->NumOutStreams > NUM_CODER_STREAMS_MAX) - return SZ_ERROR_UNSUPPORTED; - } - else - { - coder->NumInStreams = 1; - coder->NumOutStreams = 1; - } - if ((mainByte & 0x20) != 0) - { - UInt64 propertiesSize = 0; - RINOK(SzReadNumber(sd, &propertiesSize)); - if (!Buf_Create(&coder->Props, (size_t)propertiesSize, alloc)) - return SZ_ERROR_MEM; - RINOK(SzReadBytes(sd, coder->Props.data, (size_t)propertiesSize)); - } - } - while ((mainByte & 0x80) != 0) - { - RINOK(SzReadByte(sd, &mainByte)); - RINOK(SzSkeepDataSize(sd, (mainByte & 0xF))); - if ((mainByte & 0x10) != 0) - { - UInt32 n; - RINOK(SzReadNumber32(sd, &n)); - RINOK(SzReadNumber32(sd, &n)); - } - if ((mainByte & 0x20) != 0) - { - UInt64 propertiesSize = 0; - RINOK(SzReadNumber(sd, &propertiesSize)); - RINOK(SzSkeepDataSize(sd, propertiesSize)); - } - } - numInStreams += coder->NumInStreams; - numOutStreams += coder->NumOutStreams; - } - - if (numOutStreams == 0) - return SZ_ERROR_UNSUPPORTED; - - folder->NumBindPairs = numBindPairs = numOutStreams - 1; - MY_ALLOC(CSzBindPair, folder->BindPairs, (size_t)numBindPairs, alloc); - - for (i = 0; i < numBindPairs; i++) - { - CSzBindPair *bp = folder->BindPairs + i; - RINOK(SzReadNumber32(sd, &bp->InIndex)); - RINOK(SzReadNumber32(sd, &bp->OutIndex)); - } - - if (numInStreams < numBindPairs) - return SZ_ERROR_UNSUPPORTED; - - folder->NumPackStreams = numPackStreams = numInStreams - numBindPairs; - MY_ALLOC(UInt32, folder->PackStreams, (size_t)numPackStreams, alloc); - - if (numPackStreams == 1) - { - for (i = 0; i < numInStreams ; i++) - if (SzFolder_FindBindPairForInStream(folder, i) < 0) - break; - if (i == numInStreams) - return SZ_ERROR_UNSUPPORTED; - folder->PackStreams[0] = i; - } - else - for (i = 0; i < numPackStreams; i++) - { - RINOK(SzReadNumber32(sd, folder->PackStreams + i)); - } - return SZ_OK; -} - -static SRes SzReadUnpackInfo( - CSzData *sd, - UInt32 *numFolders, - CSzFolder **folders, /* for alloc */ - ISzAlloc *alloc, - ISzAlloc *allocTemp) -{ - UInt32 i; - RINOK(SzWaitAttribute(sd, k7zIdFolder)); - RINOK(SzReadNumber32(sd, numFolders)); - { - RINOK(SzReadSwitch(sd)); - - MY_ALLOC(CSzFolder, *folders, (size_t)*numFolders, alloc); - - for (i = 0; i < *numFolders; i++) - SzFolder_Init((*folders) + i); - - for (i = 0; i < *numFolders; i++) - { - RINOK(SzGetNextFolderItem(sd, (*folders) + i, alloc)); - } - } - - RINOK(SzWaitAttribute(sd, k7zIdCodersUnpackSize)); - - for (i = 0; i < *numFolders; i++) - { - UInt32 j; - CSzFolder *folder = (*folders) + i; - UInt32 numOutStreams = SzFolder_GetNumOutStreams(folder); - - MY_ALLOC(UInt64, folder->UnpackSizes, (size_t)numOutStreams, alloc); - - for (j = 0; j < numOutStreams; j++) - { - RINOK(SzReadNumber(sd, folder->UnpackSizes + j)); - } - } - - for (;;) - { - UInt64 type; - RINOK(SzReadID(sd, &type)); - if (type == k7zIdEnd) - return SZ_OK; - if (type == k7zIdCRC) - { - SRes res; - Byte *crcsDefined = 0; - UInt32 *crcs = 0; - res = SzReadHashDigests(sd, *numFolders, &crcsDefined, &crcs, allocTemp); - if (res == SZ_OK) - { - for (i = 0; i < *numFolders; i++) - { - CSzFolder *folder = (*folders) + i; - folder->UnpackCRCDefined = crcsDefined[i]; - folder->UnpackCRC = crcs[i]; - } - } - IAlloc_Free(allocTemp, crcs); - IAlloc_Free(allocTemp, crcsDefined); - RINOK(res); - continue; - } - RINOK(SzSkeepData(sd)); - } -} - -static SRes SzReadSubStreamsInfo( - CSzData *sd, - UInt32 numFolders, - CSzFolder *folders, - UInt32 *numUnpackStreams, - UInt64 **unpackSizes, - Byte **digestsDefined, - UInt32 **digests, - ISzAlloc *allocTemp) -{ - UInt64 type = 0; - UInt32 i; - UInt32 si = 0; - UInt32 numDigests = 0; - - for (i = 0; i < numFolders; i++) - folders[i].NumUnpackStreams = 1; - *numUnpackStreams = numFolders; - - for (;;) - { - RINOK(SzReadID(sd, &type)); - if (type == k7zIdNumUnpackStream) - { - *numUnpackStreams = 0; - for (i = 0; i < numFolders; i++) - { - UInt32 numStreams; - RINOK(SzReadNumber32(sd, &numStreams)); - folders[i].NumUnpackStreams = numStreams; - *numUnpackStreams += numStreams; - } - continue; - } - if (type == k7zIdCRC || type == k7zIdSize) - break; - if (type == k7zIdEnd) - break; - RINOK(SzSkeepData(sd)); - } - - if (*numUnpackStreams == 0) - { - *unpackSizes = 0; - *digestsDefined = 0; - *digests = 0; - } - else - { - *unpackSizes = (UInt64 *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(UInt64)); - RINOM(*unpackSizes); - *digestsDefined = (Byte *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(Byte)); - RINOM(*digestsDefined); - *digests = (UInt32 *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(UInt32)); - RINOM(*digests); - } - - for (i = 0; i < numFolders; i++) - { - /* - v3.13 incorrectly worked with empty folders - v4.07: we check that folder is empty - */ - UInt64 sum = 0; - UInt32 j; - UInt32 numSubstreams = folders[i].NumUnpackStreams; - if (numSubstreams == 0) - continue; - if (type == k7zIdSize) - for (j = 1; j < numSubstreams; j++) - { - UInt64 size; - RINOK(SzReadNumber(sd, &size)); - (*unpackSizes)[si++] = size; - sum += size; - } - (*unpackSizes)[si++] = SzFolder_GetUnpackSize(folders + i) - sum; - } - if (type == k7zIdSize) - { - RINOK(SzReadID(sd, &type)); - } - - for (i = 0; i < *numUnpackStreams; i++) - { - (*digestsDefined)[i] = 0; - (*digests)[i] = 0; - } - - - for (i = 0; i < numFolders; i++) - { - UInt32 numSubstreams = folders[i].NumUnpackStreams; - if (numSubstreams != 1 || !folders[i].UnpackCRCDefined) - numDigests += numSubstreams; - } - - - si = 0; - for (;;) - { - if (type == k7zIdCRC) - { - int digestIndex = 0; - Byte *digestsDefined2 = 0; - UInt32 *digests2 = 0; - SRes res = SzReadHashDigests(sd, numDigests, &digestsDefined2, &digests2, allocTemp); - if (res == SZ_OK) - { - for (i = 0; i < numFolders; i++) - { - CSzFolder *folder = folders + i; - UInt32 numSubstreams = folder->NumUnpackStreams; - if (numSubstreams == 1 && folder->UnpackCRCDefined) - { - (*digestsDefined)[si] = 1; - (*digests)[si] = folder->UnpackCRC; - si++; - } - else - { - UInt32 j; - for (j = 0; j < numSubstreams; j++, digestIndex++) - { - (*digestsDefined)[si] = digestsDefined2[digestIndex]; - (*digests)[si] = digests2[digestIndex]; - si++; - } - } - } - } - IAlloc_Free(allocTemp, digestsDefined2); - IAlloc_Free(allocTemp, digests2); - RINOK(res); - } - else if (type == k7zIdEnd) - return SZ_OK; - else - { - RINOK(SzSkeepData(sd)); - } - RINOK(SzReadID(sd, &type)); - } -} - - -static SRes SzReadStreamsInfo( - CSzData *sd, - UInt64 *dataOffset, - CSzAr *p, - UInt32 *numUnpackStreams, - UInt64 **unpackSizes, /* allocTemp */ - Byte **digestsDefined, /* allocTemp */ - UInt32 **digests, /* allocTemp */ - ISzAlloc *alloc, - ISzAlloc *allocTemp) -{ - for (;;) - { - UInt64 type; - RINOK(SzReadID(sd, &type)); - if ((UInt64)(int)type != type) - return SZ_ERROR_UNSUPPORTED; - switch((int)type) - { - case k7zIdEnd: - return SZ_OK; - case k7zIdPackInfo: - { - RINOK(SzReadPackInfo(sd, dataOffset, &p->NumPackStreams, - &p->PackSizes, &p->PackCRCsDefined, &p->PackCRCs, alloc)); - break; - } - case k7zIdUnpackInfo: - { - RINOK(SzReadUnpackInfo(sd, &p->NumFolders, &p->Folders, alloc, allocTemp)); - break; - } - case k7zIdSubStreamsInfo: - { - RINOK(SzReadSubStreamsInfo(sd, p->NumFolders, p->Folders, - numUnpackStreams, unpackSizes, digestsDefined, digests, allocTemp)); - break; - } - default: - return SZ_ERROR_UNSUPPORTED; - } - } -} - -size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, UInt16 *dest) -{ - size_t len = p->FileNameOffsets[fileIndex + 1] - p->FileNameOffsets[fileIndex]; - if (dest != 0) - { - size_t i; - const Byte *src = p->FileNames.data + (p->FileNameOffsets[fileIndex] * 2); - for (i = 0; i < len; i++) - dest[i] = GetUi16(src + i * 2); - } - return len; -} - -static SRes SzReadFileNames(const Byte *p, size_t size, UInt32 numFiles, size_t *sizes) -{ - UInt32 i; - size_t pos = 0; - for (i = 0; i < numFiles; i++) - { - sizes[i] = pos; - for (;;) - { - if (pos >= size) - return SZ_ERROR_ARCHIVE; - if (p[pos * 2] == 0 && p[pos * 2 + 1] == 0) - break; - pos++; - } - pos++; - } - sizes[i] = pos; - return (pos == size) ? SZ_OK : SZ_ERROR_ARCHIVE; -} - -static SRes SzReadHeader2( - CSzArEx *p, /* allocMain */ - CSzData *sd, - UInt64 **unpackSizes, /* allocTemp */ - Byte **digestsDefined, /* allocTemp */ - UInt32 **digests, /* allocTemp */ - Byte **emptyStreamVector, /* allocTemp */ - Byte **emptyFileVector, /* allocTemp */ - Byte **lwtVector, /* allocTemp */ - ISzAlloc *allocMain, - ISzAlloc *allocTemp) -{ - UInt64 type; - UInt32 numUnpackStreams = 0; - UInt32 numFiles = 0; - CSzFileItem *files = 0; - UInt32 numEmptyStreams = 0; - UInt32 i; - - RINOK(SzReadID(sd, &type)); - - if (type == k7zIdArchiveProperties) - { - RINOK(SzReadArchiveProperties(sd)); - RINOK(SzReadID(sd, &type)); - } - - - if (type == k7zIdMainStreamsInfo) - { - RINOK(SzReadStreamsInfo(sd, - &p->dataPos, - &p->db, - &numUnpackStreams, - unpackSizes, - digestsDefined, - digests, allocMain, allocTemp)); - p->dataPos += p->startPosAfterHeader; - RINOK(SzReadID(sd, &type)); - } - - if (type == k7zIdEnd) - return SZ_OK; - if (type != k7zIdFilesInfo) - return SZ_ERROR_ARCHIVE; - - RINOK(SzReadNumber32(sd, &numFiles)); - p->db.NumFiles = numFiles; - - MY_ALLOC(CSzFileItem, files, (size_t)numFiles, allocMain); - - p->db.Files = files; - for (i = 0; i < numFiles; i++) - SzFile_Init(files + i); - - for (;;) - { - UInt64 type; - UInt64 size; - RINOK(SzReadID(sd, &type)); - if (type == k7zIdEnd) - break; - RINOK(SzReadNumber(sd, &size)); - if (size > sd->Size) - return SZ_ERROR_ARCHIVE; - if ((UInt64)(int)type != type) - { - RINOK(SzSkeepDataSize(sd, size)); - } - else - switch((int)type) - { - case k7zIdName: - { - size_t namesSize; - RINOK(SzReadSwitch(sd)); - namesSize = (size_t)size - 1; - if ((namesSize & 1) != 0) - return SZ_ERROR_ARCHIVE; - if (!Buf_Create(&p->FileNames, namesSize, allocMain)) - return SZ_ERROR_MEM; - MY_ALLOC(size_t, p->FileNameOffsets, numFiles + 1, allocMain); - memcpy(p->FileNames.data, sd->Data, namesSize); - RINOK(SzReadFileNames(sd->Data, namesSize >> 1, numFiles, p->FileNameOffsets)) - RINOK(SzSkeepDataSize(sd, namesSize)); - break; - } - case k7zIdEmptyStream: - { - RINOK(SzReadBoolVector(sd, numFiles, emptyStreamVector, allocTemp)); - numEmptyStreams = 0; - for (i = 0; i < numFiles; i++) - if ((*emptyStreamVector)[i]) - numEmptyStreams++; - break; - } - case k7zIdEmptyFile: - { - RINOK(SzReadBoolVector(sd, numEmptyStreams, emptyFileVector, allocTemp)); - break; - } - case k7zIdWinAttributes: - { - RINOK(SzReadBoolVector2(sd, numFiles, lwtVector, allocTemp)); - RINOK(SzReadSwitch(sd)); - for (i = 0; i < numFiles; i++) - { - CSzFileItem *f = &files[i]; - Byte defined = (*lwtVector)[i]; - f->AttribDefined = defined; - f->Attrib = 0; - if (defined) - { - RINOK(SzReadUInt32(sd, &f->Attrib)); - } - } - IAlloc_Free(allocTemp, *lwtVector); - *lwtVector = NULL; - break; - } - case k7zIdMTime: - { - RINOK(SzReadBoolVector2(sd, numFiles, lwtVector, allocTemp)); - RINOK(SzReadSwitch(sd)); - for (i = 0; i < numFiles; i++) - { - CSzFileItem *f = &files[i]; - Byte defined = (*lwtVector)[i]; - f->MTimeDefined = defined; - f->MTime.Low = f->MTime.High = 0; - if (defined) - { - RINOK(SzReadUInt32(sd, &f->MTime.Low)); - RINOK(SzReadUInt32(sd, &f->MTime.High)); - } - } - IAlloc_Free(allocTemp, *lwtVector); - *lwtVector = NULL; - break; - } - default: - { - RINOK(SzSkeepDataSize(sd, size)); - } - } - } - - { - UInt32 emptyFileIndex = 0; - UInt32 sizeIndex = 0; - for (i = 0; i < numFiles; i++) - { - CSzFileItem *file = files + i; - file->IsAnti = 0; - if (*emptyStreamVector == 0) - file->HasStream = 1; - else - file->HasStream = (Byte)((*emptyStreamVector)[i] ? 0 : 1); - if (file->HasStream) - { - file->IsDir = 0; - file->Size = (*unpackSizes)[sizeIndex]; - file->Crc = (*digests)[sizeIndex]; - file->CrcDefined = (Byte)(*digestsDefined)[sizeIndex]; - sizeIndex++; - } - else - { - if (*emptyFileVector == 0) - file->IsDir = 1; - else - file->IsDir = (Byte)((*emptyFileVector)[emptyFileIndex] ? 0 : 1); - emptyFileIndex++; - file->Size = 0; - file->Crc = 0; - file->CrcDefined = 0; - } - } - } - return SzArEx_Fill(p, allocMain); -} - -static SRes SzReadHeader( - CSzArEx *p, - CSzData *sd, - ISzAlloc *allocMain, - ISzAlloc *allocTemp) -{ - UInt64 *unpackSizes = 0; - Byte *digestsDefined = 0; - UInt32 *digests = 0; - Byte *emptyStreamVector = 0; - Byte *emptyFileVector = 0; - Byte *lwtVector = 0; - SRes res = SzReadHeader2(p, sd, - &unpackSizes, &digestsDefined, &digests, - &emptyStreamVector, &emptyFileVector, &lwtVector, - allocMain, allocTemp); - IAlloc_Free(allocTemp, unpackSizes); - IAlloc_Free(allocTemp, digestsDefined); - IAlloc_Free(allocTemp, digests); - IAlloc_Free(allocTemp, emptyStreamVector); - IAlloc_Free(allocTemp, emptyFileVector); - IAlloc_Free(allocTemp, lwtVector); - return res; -} - -static SRes SzReadAndDecodePackedStreams2( - ILookInStream *inStream, - CSzData *sd, - CBuf *outBuffer, - UInt64 baseOffset, - CSzAr *p, - UInt64 **unpackSizes, - Byte **digestsDefined, - UInt32 **digests, - ISzAlloc *allocTemp) -{ - - UInt32 numUnpackStreams = 0; - UInt64 dataStartPos; - CSzFolder *folder; - UInt64 unpackSize; - SRes res; - - RINOK(SzReadStreamsInfo(sd, &dataStartPos, p, - &numUnpackStreams, unpackSizes, digestsDefined, digests, - allocTemp, allocTemp)); - - dataStartPos += baseOffset; - if (p->NumFolders != 1) - return SZ_ERROR_ARCHIVE; - - folder = p->Folders; - unpackSize = SzFolder_GetUnpackSize(folder); - - RINOK(LookInStream_SeekTo(inStream, dataStartPos)); - - if (!Buf_Create(outBuffer, (size_t)unpackSize, allocTemp)) - return SZ_ERROR_MEM; - - res = SzFolder_Decode(folder, p->PackSizes, - inStream, dataStartPos, - outBuffer->data, (size_t)unpackSize, allocTemp); - RINOK(res); - if (folder->UnpackCRCDefined) - if (CrcCalc(outBuffer->data, (size_t)unpackSize) != folder->UnpackCRC) - return SZ_ERROR_CRC; - return SZ_OK; -} - -static SRes SzReadAndDecodePackedStreams( - ILookInStream *inStream, - CSzData *sd, - CBuf *outBuffer, - UInt64 baseOffset, - ISzAlloc *allocTemp) -{ - CSzAr p; - UInt64 *unpackSizes = 0; - Byte *digestsDefined = 0; - UInt32 *digests = 0; - SRes res; - SzAr_Init(&p); - res = SzReadAndDecodePackedStreams2(inStream, sd, outBuffer, baseOffset, - &p, &unpackSizes, &digestsDefined, &digests, - allocTemp); - SzAr_Free(&p, allocTemp); - IAlloc_Free(allocTemp, unpackSizes); - IAlloc_Free(allocTemp, digestsDefined); - IAlloc_Free(allocTemp, digests); - return res; -} - -static SRes SzArEx_Open2( - CSzArEx *p, - ILookInStream *inStream, - ISzAlloc *allocMain, - ISzAlloc *allocTemp) -{ - Byte header[k7zStartHeaderSize]; - Int64 startArcPos; - UInt64 nextHeaderOffset, nextHeaderSize; - size_t nextHeaderSizeT; - UInt32 nextHeaderCRC; - CBuf buffer; - SRes res; - - startArcPos = 0; - RINOK(inStream->Seek(inStream, &startArcPos, SZ_SEEK_CUR)); - - RINOK(LookInStream_Read2(inStream, header, k7zStartHeaderSize, SZ_ERROR_NO_ARCHIVE)); - - if (!TestSignatureCandidate(header)) - return SZ_ERROR_NO_ARCHIVE; - if (header[6] != k7zMajorVersion) - return SZ_ERROR_UNSUPPORTED; - - nextHeaderOffset = GetUi64(header + 12); - nextHeaderSize = GetUi64(header + 20); - nextHeaderCRC = GetUi32(header + 28); - - p->startPosAfterHeader = startArcPos + k7zStartHeaderSize; - - if (CrcCalc(header + 12, 20) != GetUi32(header + 8)) - return SZ_ERROR_CRC; - - nextHeaderSizeT = (size_t)nextHeaderSize; - if (nextHeaderSizeT != nextHeaderSize) - return SZ_ERROR_MEM; - if (nextHeaderSizeT == 0) - return SZ_OK; - if (nextHeaderOffset > nextHeaderOffset + nextHeaderSize || - nextHeaderOffset > nextHeaderOffset + nextHeaderSize + k7zStartHeaderSize) - return SZ_ERROR_NO_ARCHIVE; - - { - Int64 pos = 0; - RINOK(inStream->Seek(inStream, &pos, SZ_SEEK_END)); - if ((UInt64)pos < startArcPos + nextHeaderOffset || - (UInt64)pos < startArcPos + k7zStartHeaderSize + nextHeaderOffset || - (UInt64)pos < startArcPos + k7zStartHeaderSize + nextHeaderOffset + nextHeaderSize) - return SZ_ERROR_INPUT_EOF; - } - - RINOK(LookInStream_SeekTo(inStream, startArcPos + k7zStartHeaderSize + nextHeaderOffset)); - - if (!Buf_Create(&buffer, nextHeaderSizeT, allocTemp)) - return SZ_ERROR_MEM; - - res = LookInStream_Read(inStream, buffer.data, nextHeaderSizeT); - if (res == SZ_OK) - { - res = SZ_ERROR_ARCHIVE; - if (CrcCalc(buffer.data, nextHeaderSizeT) == nextHeaderCRC) - { - CSzData sd; - UInt64 type; - sd.Data = buffer.data; - sd.Size = buffer.size; - res = SzReadID(&sd, &type); - if (res == SZ_OK) - { - if (type == k7zIdEncodedHeader) - { - CBuf outBuffer; - Buf_Init(&outBuffer); - res = SzReadAndDecodePackedStreams(inStream, &sd, &outBuffer, p->startPosAfterHeader, allocTemp); - if (res != SZ_OK) - Buf_Free(&outBuffer, allocTemp); - else - { - Buf_Free(&buffer, allocTemp); - buffer.data = outBuffer.data; - buffer.size = outBuffer.size; - sd.Data = buffer.data; - sd.Size = buffer.size; - res = SzReadID(&sd, &type); - } - } - } - if (res == SZ_OK) - { - if (type == k7zIdHeader) - res = SzReadHeader(p, &sd, allocMain, allocTemp); - else - res = SZ_ERROR_UNSUPPORTED; - } - } - } - Buf_Free(&buffer, allocTemp); - return res; -} - -SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream, ISzAlloc *allocMain, ISzAlloc *allocTemp) -{ - SRes res = SzArEx_Open2(p, inStream, allocMain, allocTemp); - if (res != SZ_OK) - SzArEx_Free(p, allocMain); - return res; -} - -SRes SzArEx_Extract( - const CSzArEx *p, - ILookInStream *inStream, - UInt32 fileIndex, - UInt32 *blockIndex, - Byte **outBuffer, - size_t *outBufferSize, - size_t *offset, - size_t *outSizeProcessed, - ISzAlloc *allocMain, - ISzAlloc *allocTemp) -{ - UInt32 folderIndex = p->FileIndexToFolderIndexMap[fileIndex]; - SRes res = SZ_OK; - *offset = 0; - *outSizeProcessed = 0; - if (folderIndex == (UInt32)-1) - { - IAlloc_Free(allocMain, *outBuffer); - *blockIndex = folderIndex; - *outBuffer = 0; - *outBufferSize = 0; - return SZ_OK; - } - - if (*outBuffer == 0 || *blockIndex != folderIndex) - { - CSzFolder *folder = p->db.Folders + folderIndex; - UInt64 unpackSizeSpec = SzFolder_GetUnpackSize(folder); - size_t unpackSize = (size_t)unpackSizeSpec; - UInt64 startOffset = SzArEx_GetFolderStreamPos(p, folderIndex, 0); - - if (unpackSize != unpackSizeSpec) - return SZ_ERROR_MEM; - *blockIndex = folderIndex; - IAlloc_Free(allocMain, *outBuffer); - *outBuffer = 0; - - RINOK(LookInStream_SeekTo(inStream, startOffset)); - - if (res == SZ_OK) - { - *outBufferSize = unpackSize; - if (unpackSize != 0) - { - *outBuffer = (Byte *)IAlloc_Alloc(allocMain, unpackSize); - if (*outBuffer == 0) - res = SZ_ERROR_MEM; - } - if (res == SZ_OK) - { - res = SzFolder_Decode(folder, - p->db.PackSizes + p->FolderStartPackStreamIndex[folderIndex], - inStream, startOffset, - *outBuffer, unpackSize, allocTemp); - if (res == SZ_OK) - { - if (folder->UnpackCRCDefined) - { - if (CrcCalc(*outBuffer, unpackSize) != folder->UnpackCRC) - res = SZ_ERROR_CRC; - } - } - } - } - } - if (res == SZ_OK) - { - UInt32 i; - CSzFileItem *fileItem = p->db.Files + fileIndex; - *offset = 0; - for (i = p->FolderStartFileIndex[folderIndex]; i < fileIndex; i++) - *offset += (UInt32)p->db.Files[i].Size; - *outSizeProcessed = (size_t)fileItem->Size; - if (*offset + *outSizeProcessed > *outBufferSize) - return SZ_ERROR_FAIL; - if (fileItem->CrcDefined && CrcCalc(*outBuffer + *offset, *outSizeProcessed) != fileItem->Crc) - res = SZ_ERROR_CRC; - } - return res; -} diff --git a/third_party/lzma_sdk/7zStream.c b/third_party/lzma_sdk/7zStream.c deleted file mode 100644 index 0ebb7b5f93c1..000000000000 --- a/third_party/lzma_sdk/7zStream.c +++ /dev/null @@ -1,169 +0,0 @@ -/* 7zStream.c -- 7z Stream functions -2010-03-11 : Igor Pavlov : Public domain */ - -#include - -#include "Types.h" - -SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType) -{ - while (size != 0) - { - size_t processed = size; - RINOK(stream->Read(stream, buf, &processed)); - if (processed == 0) - return errorType; - buf = (void *)((Byte *)buf + processed); - size -= processed; - } - return SZ_OK; -} - -SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size) -{ - return SeqInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF); -} - -SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf) -{ - size_t processed = 1; - RINOK(stream->Read(stream, buf, &processed)); - return (processed == 1) ? SZ_OK : SZ_ERROR_INPUT_EOF; -} - -SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset) -{ - Int64 t = offset; - return stream->Seek(stream, &t, SZ_SEEK_SET); -} - -SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size) -{ - const void *lookBuf; - if (*size == 0) - return SZ_OK; - RINOK(stream->Look(stream, &lookBuf, size)); - memcpy(buf, lookBuf, *size); - return stream->Skip(stream, *size); -} - -SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType) -{ - while (size != 0) - { - size_t processed = size; - RINOK(stream->Read(stream, buf, &processed)); - if (processed == 0) - return errorType; - buf = (void *)((Byte *)buf + processed); - size -= processed; - } - return SZ_OK; -} - -SRes LookInStream_Read(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) -{ - SRes res = SZ_OK; - CLookToRead *p = (CLookToRead *)pp; - size_t size2 = p->size - p->pos; - if (size2 == 0 && *size > 0) - { - p->pos = 0; - size2 = LookToRead_BUF_SIZE; - res = p->realStream->Read(p->realStream, p->buf, &size2); - p->size = size2; - } - if (size2 < *size) - *size = size2; - *buf = p->buf + p->pos; - return res; -} - -static SRes LookToRead_Look_Exact(void *pp, const void **buf, size_t *size) -{ - SRes res = SZ_OK; - CLookToRead *p = (CLookToRead *)pp; - size_t size2 = p->size - p->pos; - 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); - size2 = p->size = *size; - } - if (size2 < *size) - *size = size2; - *buf = p->buf + p->pos; - return res; -} - -static SRes LookToRead_Skip(void *pp, size_t offset) -{ - CLookToRead *p = (CLookToRead *)pp; - p->pos += offset; - return SZ_OK; -} - -static SRes LookToRead_Read(void *pp, void *buf, size_t *size) -{ - CLookToRead *p = (CLookToRead *)pp; - size_t rem = p->size - p->pos; - if (rem == 0) - return p->realStream->Read(p->realStream, buf, size); - if (rem > *size) - rem = *size; - memcpy(buf, p->buf + p->pos, rem); - p->pos += rem; - *size = rem; - return SZ_OK; -} - -static SRes LookToRead_Seek(void *pp, Int64 *pos, ESzSeek origin) -{ - CLookToRead *p = (CLookToRead *)pp; - p->pos = p->size = 0; - return p->realStream->Seek(p->realStream, pos, origin); -} - -void LookToRead_CreateVTable(CLookToRead *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; -} - -void LookToRead_Init(CLookToRead *p) -{ - p->pos = p->size = 0; -} - -static SRes SecToLook_Read(void *pp, void *buf, size_t *size) -{ - CSecToLook *p = (CSecToLook *)pp; - return LookInStream_LookRead(p->realStream, buf, size); -} - -void SecToLook_CreateVTable(CSecToLook *p) -{ - p->s.Read = SecToLook_Read; -} - -static SRes SecToRead_Read(void *pp, void *buf, size_t *size) -{ - CSecToRead *p = (CSecToRead *)pp; - return p->realStream->Read(p->realStream, buf, size); -} - -void SecToRead_CreateVTable(CSecToRead *p) -{ - p->s.Read = SecToRead_Read; -} diff --git a/third_party/lzma_sdk/Alloc.c b/third_party/lzma_sdk/Alloc.c index 358a7b52650e..7b5af4200b23 100644 --- a/third_party/lzma_sdk/Alloc.c +++ b/third_party/lzma_sdk/Alloc.c @@ -1,7 +1,4 @@ -/* Alloc.c -- Memory allocation functions -2008-09-24 -Igor Pavlov -Public domain */ +/* Alloc.c */ #ifdef _WIN32 #include @@ -25,21 +22,16 @@ void *MyAlloc(size_t size) if (size == 0) return 0; #ifdef _SZ_ALLOC_DEBUG - { - void *p = malloc(size); - fprintf(stderr, "\nAlloc %10d bytes, count = %10d, addr = %8X", size, g_allocCount++, (unsigned)p); - return p; - } - #else - return malloc(size); + fprintf(stderr, "\nAlloc %10d bytes; count = %10d", size, g_allocCount++); #endif + return malloc(size); } void MyFree(void *address) { #ifdef _SZ_ALLOC_DEBUG if (address != 0) - fprintf(stderr, "\nFree; count = %10d, addr = %8X", --g_allocCount, (unsigned)address); + fprintf(stderr, "\nFree; count = %10d", --g_allocCount); #endif free(address); } @@ -103,7 +95,7 @@ void *BigAlloc(size_t size) #ifdef _7ZIP_LARGE_PAGES if (g_LargePageSize != 0 && g_LargePageSize <= (1 << 30) && size >= (1 << 18)) { - void *res = VirtualAlloc(0, (size + g_LargePageSize - 1) & (~(g_LargePageSize - 1)), + void *res = VirtualAlloc(0, (size + g_LargePageSize - 1) & (~(g_LargePageSize - 1)), MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE); if (res != 0) return res; diff --git a/third_party/lzma_sdk/Alloc.h b/third_party/lzma_sdk/Alloc.h index b8e4143677da..d748cb186553 100644 --- a/third_party/lzma_sdk/Alloc.h +++ b/third_party/lzma_sdk/Alloc.h @@ -1,15 +1,10 @@ -/* Alloc.h -- Memory allocation functions -2009-02-07 : Igor Pavlov : Public domain */ +/* Alloc.h */ #ifndef __COMMON_ALLOC_H #define __COMMON_ALLOC_H #include -#ifdef __cplusplus -extern "C" { -#endif - void *MyAlloc(size_t size); void MyFree(void *address); @@ -31,8 +26,4 @@ void BigFree(void *address); #endif -#ifdef __cplusplus -} -#endif - #endif diff --git a/third_party/lzma_sdk/7zAlloc.c b/third_party/lzma_sdk/Archive/7z/7zAlloc.c similarity index 80% rename from third_party/lzma_sdk/7zAlloc.c rename to third_party/lzma_sdk/Archive/7z/7zAlloc.c index 964b28db38ec..21bb30c7c234 100644 --- a/third_party/lzma_sdk/7zAlloc.c +++ b/third_party/lzma_sdk/Archive/7z/7zAlloc.c @@ -1,6 +1,6 @@ -/* 7zAlloc.c -- Allocation functions -2010-10-29 : Igor Pavlov : Public domain */ +/* 7zAlloc.c */ +#include #include "7zAlloc.h" /* #define _SZ_ALLOC_DEBUG */ @@ -11,16 +11,13 @@ #ifdef _WIN32 #include #endif - #include int g_allocCount = 0; int g_allocCountTemp = 0; - #endif -void *SzAlloc(void *p, size_t size) +void *SzAlloc(size_t size) { - p = p; if (size == 0) return 0; #ifdef _SZ_ALLOC_DEBUG @@ -30,9 +27,8 @@ void *SzAlloc(void *p, size_t size) return malloc(size); } -void SzFree(void *p, void *address) +void SzFree(void *address) { - p = p; #ifdef _SZ_ALLOC_DEBUG if (address != 0) { @@ -43,9 +39,8 @@ void SzFree(void *p, void *address) free(address); } -void *SzAllocTemp(void *p, size_t size) +void *SzAllocTemp(size_t size) { - p = p; if (size == 0) return 0; #ifdef _SZ_ALLOC_DEBUG @@ -58,9 +53,8 @@ void *SzAllocTemp(void *p, size_t size) return malloc(size); } -void SzFreeTemp(void *p, void *address) +void SzFreeTemp(void *address) { - p = p; #ifdef _SZ_ALLOC_DEBUG if (address != 0) { diff --git a/third_party/lzma_sdk/Archive/7z/7zAlloc.h b/third_party/lzma_sdk/Archive/7z/7zAlloc.h new file mode 100644 index 000000000000..4ca4170ca502 --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zAlloc.h @@ -0,0 +1,20 @@ +/* 7zAlloc.h */ + +#ifndef __7Z_ALLOC_H +#define __7Z_ALLOC_H + +#include + +typedef struct _ISzAlloc +{ + void *(*Alloc)(size_t size); + void (*Free)(void *address); /* address can be 0 */ +} ISzAlloc; + +void *SzAlloc(size_t size); +void SzFree(void *address); + +void *SzAllocTemp(size_t size); +void SzFreeTemp(void *address); + +#endif diff --git a/third_party/lzma_sdk/Archive/7z/7zBuffer.c b/third_party/lzma_sdk/Archive/7z/7zBuffer.c new file mode 100644 index 000000000000..3c4b71e802fd --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zBuffer.c @@ -0,0 +1,29 @@ +/* 7zBuffer.c */ + +#include "7zBuffer.h" +#include "7zAlloc.h" + +void SzByteBufferInit(CSzByteBuffer *buffer) +{ + buffer->Capacity = 0; + buffer->Items = 0; +} + +int SzByteBufferCreate(CSzByteBuffer *buffer, size_t newCapacity, void * (*allocFunc)(size_t size)) +{ + buffer->Capacity = newCapacity; + if (newCapacity == 0) + { + buffer->Items = 0; + return 1; + } + buffer->Items = (Byte *)allocFunc(newCapacity); + return (buffer->Items != 0); +} + +void SzByteBufferFree(CSzByteBuffer *buffer, void (*freeFunc)(void *)) +{ + freeFunc(buffer->Items); + buffer->Items = 0; + buffer->Capacity = 0; +} diff --git a/third_party/lzma_sdk/Archive/7z/7zBuffer.h b/third_party/lzma_sdk/Archive/7z/7zBuffer.h new file mode 100644 index 000000000000..05c6d74868b9 --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zBuffer.h @@ -0,0 +1,19 @@ +/* 7zBuffer.h */ + +#ifndef __7Z_BUFFER_H +#define __7Z_BUFFER_H + +#include +#include "../../Types.h" + +typedef struct _CSzByteBuffer +{ + size_t Capacity; + Byte *Items; +}CSzByteBuffer; + +void SzByteBufferInit(CSzByteBuffer *buffer); +int SzByteBufferCreate(CSzByteBuffer *buffer, size_t newCapacity, void * (*allocFunc)(size_t size)); +void SzByteBufferFree(CSzByteBuffer *buffer, void (*freeFunc)(void *)); + +#endif diff --git a/third_party/lzma_sdk/Archive/7z/7zDecode.c b/third_party/lzma_sdk/Archive/7z/7zDecode.c new file mode 100644 index 000000000000..aea893dab0f9 --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zDecode.c @@ -0,0 +1,341 @@ +/* 7zDecode.c */ + +#include + +#include "7zDecode.h" +#ifdef _SZ_ONE_DIRECTORY +#include "LzmaDecode.h" +#else +#include "../../Compress/Lzma/LzmaDecode.h" +#include "../../Compress/Branch/BranchX86.h" +#include "../../Compress/Branch/BranchX86_2.h" +#endif + +#define k_Copy 0 +#define k_LZMA 0x30101 +#define k_BCJ 0x03030103 +#define k_BCJ2 0x0303011B + +#ifdef _LZMA_IN_CB + +typedef struct _CLzmaInCallbackImp +{ + ILzmaInCallback InCallback; + ISzInStream *InStream; + CFileSize Size; +} CLzmaInCallbackImp; + +int LzmaReadImp(void *object, const unsigned char **buffer, SizeT *size) +{ + CLzmaInCallbackImp *cb = (CLzmaInCallbackImp *)object; + size_t processedSize; + SZ_RESULT res; + size_t curSize = (1 << 20); + if (curSize > cb->Size) + curSize = (size_t)cb->Size; + *size = 0; + res = cb->InStream->Read((void *)cb->InStream, (void **)buffer, curSize, &processedSize); + *size = (SizeT)processedSize; + if (processedSize > curSize) + return (int)SZE_FAIL; + cb->Size -= processedSize; + if (res == SZ_OK) + return 0; + return (int)res; +} + +#endif + +SZ_RESULT SzDecodeLzma(CCoderInfo *coder, CFileSize inSize, + #ifdef _LZMA_IN_CB + ISzInStream *inStream, + #else + const Byte *inBuffer, + #endif + Byte *outBuffer, size_t outSize, ISzAlloc *allocMain) +{ + #ifdef _LZMA_IN_CB + CLzmaInCallbackImp lzmaCallback; + #else + SizeT inProcessed; + #endif + + CLzmaDecoderState state; /* it's about 24-80 bytes structure, if int is 32-bit */ + int result; + SizeT outSizeProcessedLoc; + + #ifdef _LZMA_IN_CB + lzmaCallback.Size = inSize; + lzmaCallback.InStream = inStream; + lzmaCallback.InCallback.Read = LzmaReadImp; + #endif + + if (LzmaDecodeProperties(&state.Properties, coder->Properties.Items, + (unsigned)coder->Properties.Capacity) != LZMA_RESULT_OK) + return SZE_FAIL; + + state.Probs = (CProb *)allocMain->Alloc(LzmaGetNumProbs(&state.Properties) * sizeof(CProb)); + if (state.Probs == 0) + return SZE_OUTOFMEMORY; + + #ifdef _LZMA_OUT_READ + if (state.Properties.DictionarySize == 0) + state.Dictionary = 0; + else + { + state.Dictionary = (unsigned char *)allocMain->Alloc(state.Properties.DictionarySize); + if (state.Dictionary == 0) + { + allocMain->Free(state.Probs); + return SZE_OUTOFMEMORY; + } + } + LzmaDecoderInit(&state); + #endif + + result = LzmaDecode(&state, + #ifdef _LZMA_IN_CB + &lzmaCallback.InCallback, + #else + inBuffer, (SizeT)inSize, &inProcessed, + #endif + outBuffer, (SizeT)outSize, &outSizeProcessedLoc); + allocMain->Free(state.Probs); + #ifdef _LZMA_OUT_READ + allocMain->Free(state.Dictionary); + #endif + if (result == LZMA_RESULT_DATA_ERROR) + return SZE_DATA_ERROR; + if (result != LZMA_RESULT_OK) + return SZE_FAIL; + return (outSizeProcessedLoc == outSize) ? SZ_OK : SZE_DATA_ERROR; +} + +#ifdef _LZMA_IN_CB +SZ_RESULT SzDecodeCopy(CFileSize inSize, ISzInStream *inStream, Byte *outBuffer) +{ + while (inSize > 0) + { + void *inBuffer; + size_t processedSize, curSize = (1 << 18); + if (curSize > inSize) + curSize = (size_t)(inSize); + RINOK(inStream->Read((void *)inStream, (void **)&inBuffer, curSize, &processedSize)); + if (processedSize == 0) + return SZE_DATA_ERROR; + if (processedSize > curSize) + return SZE_FAIL; + memcpy(outBuffer, inBuffer, processedSize); + outBuffer += processedSize; + inSize -= processedSize; + } + return SZ_OK; +} +#endif + +#define IS_UNSUPPORTED_METHOD(m) ((m) != k_Copy && (m) != k_LZMA) +#define IS_UNSUPPORTED_CODER(c) (IS_UNSUPPORTED_METHOD(c.MethodID) || c.NumInStreams != 1 || c.NumOutStreams != 1) +#define IS_NO_BCJ(c) (c.MethodID != k_BCJ || c.NumInStreams != 1 || c.NumOutStreams != 1) +#define IS_NO_BCJ2(c) (c.MethodID != k_BCJ2 || c.NumInStreams != 4 || c.NumOutStreams != 1) + +SZ_RESULT CheckSupportedFolder(const CFolder *f) +{ + if (f->NumCoders < 1 || f->NumCoders > 4) + return SZE_NOTIMPL; + if (IS_UNSUPPORTED_CODER(f->Coders[0])) + return SZE_NOTIMPL; + if (f->NumCoders == 1) + { + if (f->NumPackStreams != 1 || f->PackStreams[0] != 0 || f->NumBindPairs != 0) + return SZE_NOTIMPL; + return SZ_OK; + } + if (f->NumCoders == 2) + { + if (IS_NO_BCJ(f->Coders[1]) || + f->NumPackStreams != 1 || f->PackStreams[0] != 0 || + f->NumBindPairs != 1 || + f->BindPairs[0].InIndex != 1 || f->BindPairs[0].OutIndex != 0) + return SZE_NOTIMPL; + return SZ_OK; + } + if (f->NumCoders == 4) + { + if (IS_UNSUPPORTED_CODER(f->Coders[1]) || + IS_UNSUPPORTED_CODER(f->Coders[2]) || + IS_NO_BCJ2(f->Coders[3])) + return SZE_NOTIMPL; + if (f->NumPackStreams != 4 || + f->PackStreams[0] != 2 || + f->PackStreams[1] != 6 || + f->PackStreams[2] != 1 || + f->PackStreams[3] != 0 || + f->NumBindPairs != 3 || + f->BindPairs[0].InIndex != 5 || f->BindPairs[0].OutIndex != 0 || + f->BindPairs[1].InIndex != 4 || f->BindPairs[1].OutIndex != 1 || + f->BindPairs[2].InIndex != 3 || f->BindPairs[2].OutIndex != 2) + return SZE_NOTIMPL; + return SZ_OK; + } + return SZE_NOTIMPL; +} + +CFileSize GetSum(const CFileSize *values, UInt32 index) +{ + CFileSize sum = 0; + UInt32 i; + for (i = 0; i < index; i++) + sum += values[i]; + return sum; +} + +SZ_RESULT SzDecode2(const CFileSize *packSizes, const CFolder *folder, + #ifdef _LZMA_IN_CB + ISzInStream *inStream, CFileSize startPos, + #else + const Byte *inBuffer, + #endif + Byte *outBuffer, size_t outSize, ISzAlloc *allocMain, + Byte *tempBuf[]) +{ + UInt32 ci; + size_t tempSizes[3] = { 0, 0, 0}; + size_t tempSize3 = 0; + Byte *tempBuf3 = 0; + + RINOK(CheckSupportedFolder(folder)); + + for (ci = 0; ci < folder->NumCoders; ci++) + { + CCoderInfo *coder = &folder->Coders[ci]; + + if (coder->MethodID == k_Copy || coder->MethodID == k_LZMA) + { + UInt32 si = 0; + CFileSize offset; + CFileSize inSize; + Byte *outBufCur = outBuffer; + size_t outSizeCur = outSize; + if (folder->NumCoders == 4) + { + UInt32 indices[] = { 3, 2, 0 }; + CFileSize unpackSize = folder->UnPackSizes[ci]; + si = indices[ci]; + if (ci < 2) + { + Byte *temp; + outSizeCur = (size_t)unpackSize; + if (outSizeCur != unpackSize) + return SZE_OUTOFMEMORY; + temp = (Byte *)allocMain->Alloc(outSizeCur); + if (temp == 0 && outSizeCur != 0) + return SZE_OUTOFMEMORY; + outBufCur = tempBuf[1 - ci] = temp; + tempSizes[1 - ci] = outSizeCur; + } + else if (ci == 2) + { + if (unpackSize > outSize) + return SZE_OUTOFMEMORY; + tempBuf3 = outBufCur = outBuffer + (outSize - (size_t)unpackSize); + tempSize3 = outSizeCur = (size_t)unpackSize; + } + else + return SZE_NOTIMPL; + } + offset = GetSum(packSizes, si); + inSize = packSizes[si]; + #ifdef _LZMA_IN_CB + RINOK(inStream->Seek(inStream, startPos + offset)); + #endif + + if (coder->MethodID == k_Copy) + { + if (inSize != outSizeCur) + return SZE_DATA_ERROR; + + #ifdef _LZMA_IN_CB + RINOK(SzDecodeCopy(inSize, inStream, outBufCur)); + #else + memcpy(outBufCur, inBuffer + (size_t)offset, (size_t)inSize); + #endif + } + else + { + SZ_RESULT res = SzDecodeLzma(coder, inSize, + #ifdef _LZMA_IN_CB + inStream, + #else + inBuffer + (size_t)offset, + #endif + outBufCur, outSizeCur, allocMain); + RINOK(res) + } + } + else if (coder->MethodID == k_BCJ) + { + UInt32 state; + if (ci != 1) + return SZE_NOTIMPL; + x86_Convert_Init(state); + x86_Convert(outBuffer, outSize, 0, &state, 0); + } + else if (coder->MethodID == k_BCJ2) + { + CFileSize offset = GetSum(packSizes, 1); + CFileSize s3Size = packSizes[1]; + SZ_RESULT res; + if (ci != 3) + return SZE_NOTIMPL; + + #ifdef _LZMA_IN_CB + RINOK(inStream->Seek(inStream, startPos + offset)); + tempSizes[2] = (size_t)s3Size; + if (tempSizes[2] != s3Size) + return SZE_OUTOFMEMORY; + tempBuf[2] = (Byte *)allocMain->Alloc(tempSizes[2]); + if (tempBuf[2] == 0 && tempSizes[2] != 0) + return SZE_OUTOFMEMORY; + res = SzDecodeCopy(s3Size, inStream, tempBuf[2]); + RINOK(res) + #endif + + res = x86_2_Decode( + tempBuf3, tempSize3, + tempBuf[0], tempSizes[0], + tempBuf[1], tempSizes[1], + #ifdef _LZMA_IN_CB + tempBuf[2], tempSizes[2], + #else + inBuffer + (size_t)offset, (size_t)s3Size, + #endif + outBuffer, outSize); + RINOK(res) + } + else + return SZE_NOTIMPL; + } + return SZ_OK; +} + +SZ_RESULT SzDecode(const CFileSize *packSizes, const CFolder *folder, + #ifdef _LZMA_IN_CB + ISzInStream *inStream, CFileSize startPos, + #else + const Byte *inBuffer, + #endif + Byte *outBuffer, size_t outSize, ISzAlloc *allocMain) +{ + Byte *tempBuf[3] = { 0, 0, 0}; + int i; + SZ_RESULT res = SzDecode2(packSizes, folder, + #ifdef _LZMA_IN_CB + inStream, startPos, + #else + inBuffer, + #endif + outBuffer, outSize, allocMain, tempBuf); + for (i = 0; i < 3; i++) + allocMain->Free(tempBuf[i]); + return res; +} diff --git a/third_party/lzma_sdk/Archive/7z/7zDecode.h b/third_party/lzma_sdk/Archive/7z/7zDecode.h new file mode 100644 index 000000000000..175896ef914b --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zDecode.h @@ -0,0 +1,20 @@ +/* 7zDecode.h */ + +#ifndef __7Z_DECODE_H +#define __7Z_DECODE_H + +#include "7zItem.h" +#include "7zAlloc.h" +#ifdef _LZMA_IN_CB +#include "7zIn.h" +#endif + +SZ_RESULT SzDecode(const CFileSize *packSizes, const CFolder *folder, + #ifdef _LZMA_IN_CB + ISzInStream *stream, CFileSize startPos, + #else + const Byte *inBuffer, + #endif + Byte *outBuffer, size_t outSize, ISzAlloc *allocMain); + +#endif diff --git a/third_party/lzma_sdk/Archive/7z/7zExtract.c b/third_party/lzma_sdk/Archive/7z/7zExtract.c new file mode 100644 index 000000000000..1760a3ce351a --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zExtract.c @@ -0,0 +1,119 @@ +/* 7zExtract.c */ + +#include "7zExtract.h" +#include "7zDecode.h" +#include "../../7zCrc.h" + +SZ_RESULT SzExtract( + ISzInStream *inStream, + CArchiveDatabaseEx *db, + UInt32 fileIndex, + UInt32 *blockIndex, + Byte **outBuffer, + size_t *outBufferSize, + size_t *offset, + size_t *outSizeProcessed, + ISzAlloc *allocMain, + ISzAlloc *allocTemp) +{ + UInt32 folderIndex = db->FileIndexToFolderIndexMap[fileIndex]; + SZ_RESULT res = SZ_OK; + *offset = 0; + *outSizeProcessed = 0; + if (folderIndex == (UInt32)-1) + { + allocMain->Free(*outBuffer); + *blockIndex = folderIndex; + *outBuffer = 0; + *outBufferSize = 0; + return SZ_OK; + } + + if (*outBuffer == 0 || *blockIndex != folderIndex) + { + CFolder *folder = db->Database.Folders + folderIndex; + CFileSize unPackSizeSpec = SzFolderGetUnPackSize(folder); + size_t unPackSize = (size_t)unPackSizeSpec; + CFileSize startOffset = SzArDbGetFolderStreamPos(db, folderIndex, 0); + #ifndef _LZMA_IN_CB + Byte *inBuffer = 0; + size_t processedSize; + CFileSize packSizeSpec; + size_t packSize; + RINOK(SzArDbGetFolderFullPackSize(db, folderIndex, &packSizeSpec)); + packSize = (size_t)packSizeSpec; + if (packSize != packSizeSpec) + return SZE_OUTOFMEMORY; + #endif + if (unPackSize != unPackSizeSpec) + return SZE_OUTOFMEMORY; + *blockIndex = folderIndex; + allocMain->Free(*outBuffer); + *outBuffer = 0; + + RINOK(inStream->Seek(inStream, startOffset)); + + #ifndef _LZMA_IN_CB + if (packSize != 0) + { + inBuffer = (Byte *)allocTemp->Alloc(packSize); + if (inBuffer == 0) + return SZE_OUTOFMEMORY; + } + res = inStream->Read(inStream, inBuffer, packSize, &processedSize); + if (res == SZ_OK && processedSize != packSize) + res = SZE_FAIL; + #endif + if (res == SZ_OK) + { + *outBufferSize = unPackSize; + if (unPackSize != 0) + { + *outBuffer = (Byte *)allocMain->Alloc(unPackSize); + if (*outBuffer == 0) + res = SZE_OUTOFMEMORY; + } + if (res == SZ_OK) + { + res = SzDecode(db->Database.PackSizes + + db->FolderStartPackStreamIndex[folderIndex], folder, + #ifdef _LZMA_IN_CB + inStream, startOffset, + #else + inBuffer, + #endif + *outBuffer, unPackSize, allocTemp); + if (res == SZ_OK) + { + if (folder->UnPackCRCDefined) + { + if (CrcCalc(*outBuffer, unPackSize) != folder->UnPackCRC) + res = SZE_CRC_ERROR; + } + } + } + } + #ifndef _LZMA_IN_CB + allocTemp->Free(inBuffer); + #endif + } + if (res == SZ_OK) + { + UInt32 i; + CFileItem *fileItem = db->Database.Files + fileIndex; + *offset = 0; + for(i = db->FolderStartFileIndex[folderIndex]; i < fileIndex; i++) + *offset += (UInt32)db->Database.Files[i].Size; + *outSizeProcessed = (size_t)fileItem->Size; + if (*offset + *outSizeProcessed > *outBufferSize) + return SZE_FAIL; + { + if (fileItem->IsFileCRCDefined) + { + if (CrcCalc(*outBuffer + *offset, *outSizeProcessed) != fileItem->FileCRC) + res = SZE_CRC_ERROR; + } + } + } + return res; +} diff --git a/third_party/lzma_sdk/Archive/7z/7zExtract.h b/third_party/lzma_sdk/Archive/7z/7zExtract.h new file mode 100644 index 000000000000..e9a4fb4e3d9a --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zExtract.h @@ -0,0 +1,40 @@ +/* 7zExtract.h */ + +#ifndef __7Z_EXTRACT_H +#define __7Z_EXTRACT_H + +#include "7zIn.h" + +/* + SzExtract extracts file from archive + + *outBuffer must be 0 before first call for each new archive. + + Extracting cache: + If you need to decompress more than one file, you can send + these values from previous call: + *blockIndex, + *outBuffer, + *outBufferSize + You can consider "*outBuffer" as cache of solid block. If your archive is solid, + it will increase decompression speed. + + If you use external function, you can declare these 3 cache variables + (blockIndex, outBuffer, outBufferSize) as static in that external function. + + Free *outBuffer and set *outBuffer to 0, if you want to flush cache. +*/ + +SZ_RESULT SzExtract( + ISzInStream *inStream, + CArchiveDatabaseEx *db, + UInt32 fileIndex, /* index of file */ + UInt32 *blockIndex, /* index of solid block */ + Byte **outBuffer, /* pointer to pointer to output buffer (allocated with allocMain) */ + 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); + +#endif diff --git a/third_party/lzma_sdk/Archive/7z/7zHeader.c b/third_party/lzma_sdk/Archive/7z/7zHeader.c new file mode 100644 index 000000000000..3be4bc27eaac --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zHeader.c @@ -0,0 +1,5 @@ +/* 7zHeader.c */ + +#include "7zHeader.h" + +Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C}; diff --git a/third_party/lzma_sdk/Archive/7z/7zHeader.h b/third_party/lzma_sdk/Archive/7z/7zHeader.h new file mode 100644 index 000000000000..3e67cf571b4c --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zHeader.h @@ -0,0 +1,55 @@ +/* 7zHeader.h */ + +#ifndef __7Z_HEADER_H +#define __7Z_HEADER_H + +#include "../../Types.h" + +#define k7zSignatureSize 6 +extern Byte k7zSignature[k7zSignatureSize]; + +#define k7zMajorVersion 0 + +#define k7zStartHeaderSize 0x20 + +enum EIdEnum +{ + k7zIdEnd, + + k7zIdHeader, + + k7zIdArchiveProperties, + + k7zIdAdditionalStreamsInfo, + k7zIdMainStreamsInfo, + k7zIdFilesInfo, + + k7zIdPackInfo, + k7zIdUnPackInfo, + k7zIdSubStreamsInfo, + + k7zIdSize, + k7zIdCRC, + + k7zIdFolder, + + k7zIdCodersUnPackSize, + k7zIdNumUnPackStream, + + k7zIdEmptyStream, + k7zIdEmptyFile, + k7zIdAnti, + + k7zIdName, + k7zIdCreationTime, + k7zIdLastAccessTime, + k7zIdLastWriteTime, + k7zIdWinAttributes, + k7zIdComment, + + k7zIdEncodedHeader, + + k7zIdStartPos +}; + +#endif diff --git a/third_party/lzma_sdk/Archive/7z/7zIn.c b/third_party/lzma_sdk/Archive/7z/7zIn.c new file mode 100644 index 000000000000..ac25dbc7e76f --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zIn.c @@ -0,0 +1,1314 @@ +/* 7zIn.c */ + +#include "7zIn.h" +#include "7zDecode.h" +#include "../../7zCrc.h" + +#define RINOM(x) { if((x) == 0) return SZE_OUTOFMEMORY; } + +void SzArDbExInit(CArchiveDatabaseEx *db) +{ + SzArchiveDatabaseInit(&db->Database); + db->FolderStartPackStreamIndex = 0; + db->PackStreamStartPositions = 0; + db->FolderStartFileIndex = 0; + db->FileIndexToFolderIndexMap = 0; +} + +void SzArDbExFree(CArchiveDatabaseEx *db, void (*freeFunc)(void *)) +{ + freeFunc(db->FolderStartPackStreamIndex); + freeFunc(db->PackStreamStartPositions); + freeFunc(db->FolderStartFileIndex); + freeFunc(db->FileIndexToFolderIndexMap); + SzArchiveDatabaseFree(&db->Database, freeFunc); + SzArDbExInit(db); +} + +/* +CFileSize GetFolderPackStreamSize(int folderIndex, int streamIndex) const +{ + return PackSizes[FolderStartPackStreamIndex[folderIndex] + streamIndex]; +} + +CFileSize GetFilePackSize(int fileIndex) const +{ + int folderIndex = FileIndexToFolderIndexMap[fileIndex]; + if (folderIndex >= 0) + { + const CFolder &folderInfo = Folders[folderIndex]; + if (FolderStartFileIndex[folderIndex] == fileIndex) + return GetFolderFullPackSize(folderIndex); + } + return 0; +} +*/ + +#define MY_ALLOC(T, p, size, allocFunc) { if ((size) == 0) p = 0; else \ + if ((p = (T *)allocFunc((size) * sizeof(T))) == 0) return SZE_OUTOFMEMORY; } + +SZ_RESULT SzArDbExFill(CArchiveDatabaseEx *db, void * (*allocFunc)(size_t size)) +{ + UInt32 startPos = 0; + CFileSize startPosSize = 0; + UInt32 i; + UInt32 folderIndex = 0; + UInt32 indexInFolder = 0; + MY_ALLOC(UInt32, db->FolderStartPackStreamIndex, db->Database.NumFolders, allocFunc); + for(i = 0; i < db->Database.NumFolders; i++) + { + db->FolderStartPackStreamIndex[i] = startPos; + startPos += db->Database.Folders[i].NumPackStreams; + } + + MY_ALLOC(CFileSize, db->PackStreamStartPositions, db->Database.NumPackStreams, allocFunc); + + for(i = 0; i < db->Database.NumPackStreams; i++) + { + db->PackStreamStartPositions[i] = startPosSize; + startPosSize += db->Database.PackSizes[i]; + } + + MY_ALLOC(UInt32, db->FolderStartFileIndex, db->Database.NumFolders, allocFunc); + MY_ALLOC(UInt32, db->FileIndexToFolderIndexMap, db->Database.NumFiles, allocFunc); + + for (i = 0; i < db->Database.NumFiles; i++) + { + CFileItem *file = db->Database.Files + i; + int emptyStream = !file->HasStream; + if (emptyStream && indexInFolder == 0) + { + db->FileIndexToFolderIndexMap[i] = (UInt32)-1; + continue; + } + if (indexInFolder == 0) + { + /* + v3.13 incorrectly worked with empty folders + v4.07: Loop for skipping empty folders + */ + for (;;) + { + if (folderIndex >= db->Database.NumFolders) + return SZE_ARCHIVE_ERROR; + db->FolderStartFileIndex[folderIndex] = i; + if (db->Database.Folders[folderIndex].NumUnPackStreams != 0) + break; + folderIndex++; + } + } + db->FileIndexToFolderIndexMap[i] = folderIndex; + if (emptyStream) + continue; + indexInFolder++; + if (indexInFolder >= db->Database.Folders[folderIndex].NumUnPackStreams) + { + folderIndex++; + indexInFolder = 0; + } + } + return SZ_OK; +} + + +CFileSize SzArDbGetFolderStreamPos(CArchiveDatabaseEx *db, UInt32 folderIndex, UInt32 indexInFolder) +{ + return db->ArchiveInfo.DataStartPosition + + db->PackStreamStartPositions[db->FolderStartPackStreamIndex[folderIndex] + indexInFolder]; +} + +int SzArDbGetFolderFullPackSize(CArchiveDatabaseEx *db, UInt32 folderIndex, CFileSize *resSize) +{ + UInt32 packStreamIndex = db->FolderStartPackStreamIndex[folderIndex]; + CFolder *folder = db->Database.Folders + folderIndex; + CFileSize size = 0; + UInt32 i; + for (i = 0; i < folder->NumPackStreams; i++) + { + CFileSize t = size + db->Database.PackSizes[packStreamIndex + i]; + if (t < size) + return SZE_FAIL; + size = t; + } + *resSize = size; + return SZ_OK; +} + + +/* +SZ_RESULT SzReadTime(const CObjectVector &dataVector, + CObjectVector &files, UInt64 type) +{ + CBoolVector boolVector; + RINOK(ReadBoolVector2(files.Size(), boolVector)) + + CStreamSwitch streamSwitch; + RINOK(streamSwitch.Set(this, &dataVector)); + + for(int i = 0; i < files.Size(); i++) + { + CFileItem &file = files[i]; + CArchiveFileTime fileTime; + bool defined = boolVector[i]; + if (defined) + { + UInt32 low, high; + RINOK(SzReadUInt32(low)); + RINOK(SzReadUInt32(high)); + fileTime.dwLowDateTime = low; + fileTime.dwHighDateTime = high; + } + switch(type) + { + case k7zIdCreationTime: + file.IsCreationTimeDefined = defined; + if (defined) + file.CreationTime = fileTime; + break; + case k7zIdLastWriteTime: + file.IsLastWriteTimeDefined = defined; + if (defined) + file.LastWriteTime = fileTime; + break; + case k7zIdLastAccessTime: + file.IsLastAccessTimeDefined = defined; + if (defined) + file.LastAccessTime = fileTime; + break; + } + } + return SZ_OK; +} +*/ + +SZ_RESULT SafeReadDirect(ISzInStream *inStream, Byte *data, size_t size) +{ + #ifdef _LZMA_IN_CB + while (size > 0) + { + void *inBufferSpec; + size_t processedSize; + const Byte *inBuffer; + RINOK(inStream->Read(inStream, (void **)&inBufferSpec, size, &processedSize)); + inBuffer = (const Byte *)inBufferSpec; + if (processedSize == 0 || processedSize > size) + return SZE_FAIL; + size -= processedSize; + do + { + *data++ = *inBuffer++; + } + while (--processedSize != 0); + } + #else + size_t processedSize; + RINOK(inStream->Read(inStream, data, size, &processedSize)); + if (processedSize != size) + return SZE_FAIL; + #endif + return SZ_OK; +} + +SZ_RESULT SafeReadDirectByte(ISzInStream *inStream, Byte *data) +{ + return SafeReadDirect(inStream, data, 1); +} + +SZ_RESULT SafeReadDirectUInt32(ISzInStream *inStream, UInt32 *value, UInt32 *crc) +{ + int i; + *value = 0; + for (i = 0; i < 4; i++) + { + Byte b; + RINOK(SafeReadDirectByte(inStream, &b)); + *value |= ((UInt32)b << (8 * i)); + *crc = CRC_UPDATE_BYTE(*crc, b); + } + return SZ_OK; +} + +SZ_RESULT SafeReadDirectUInt64(ISzInStream *inStream, UInt64 *value, UInt32 *crc) +{ + int i; + *value = 0; + for (i = 0; i < 8; i++) + { + Byte b; + RINOK(SafeReadDirectByte(inStream, &b)); + *value |= ((UInt64)b << (8 * i)); + *crc = CRC_UPDATE_BYTE(*crc, b); + } + return SZ_OK; +} + +int TestSignatureCandidate(Byte *testBytes) +{ + size_t i; + for (i = 0; i < k7zSignatureSize; i++) + if (testBytes[i] != k7zSignature[i]) + return 0; + return 1; +} + +typedef struct _CSzState +{ + Byte *Data; + size_t Size; +}CSzData; + +SZ_RESULT SzReadByte(CSzData *sd, Byte *b) +{ + if (sd->Size == 0) + return SZE_ARCHIVE_ERROR; + sd->Size--; + *b = *sd->Data++; + return SZ_OK; +} + +SZ_RESULT SzReadBytes(CSzData *sd, Byte *data, size_t size) +{ + size_t i; + for (i = 0; i < size; i++) + { + RINOK(SzReadByte(sd, data + i)); + } + return SZ_OK; +} + +SZ_RESULT SzReadUInt32(CSzData *sd, UInt32 *value) +{ + int i; + *value = 0; + for (i = 0; i < 4; i++) + { + Byte b; + RINOK(SzReadByte(sd, &b)); + *value |= ((UInt32)(b) << (8 * i)); + } + return SZ_OK; +} + +SZ_RESULT SzReadNumber(CSzData *sd, UInt64 *value) +{ + Byte firstByte; + Byte mask = 0x80; + int i; + RINOK(SzReadByte(sd, &firstByte)); + *value = 0; + for (i = 0; i < 8; i++) + { + Byte b; + if ((firstByte & mask) == 0) + { + UInt64 highPart = firstByte & (mask - 1); + *value += (highPart << (8 * i)); + return SZ_OK; + } + RINOK(SzReadByte(sd, &b)); + *value |= ((UInt64)b << (8 * i)); + mask >>= 1; + } + return SZ_OK; +} + +SZ_RESULT SzReadSize(CSzData *sd, CFileSize *value) +{ + UInt64 value64; + RINOK(SzReadNumber(sd, &value64)); + *value = (CFileSize)value64; + return SZ_OK; +} + +SZ_RESULT SzReadNumber32(CSzData *sd, UInt32 *value) +{ + UInt64 value64; + RINOK(SzReadNumber(sd, &value64)); + if (value64 >= 0x80000000) + return SZE_NOTIMPL; + if (value64 >= ((UInt64)(1) << ((sizeof(size_t) - 1) * 8 + 2))) + return SZE_NOTIMPL; + *value = (UInt32)value64; + return SZ_OK; +} + +SZ_RESULT SzReadID(CSzData *sd, UInt64 *value) +{ + return SzReadNumber(sd, value); +} + +SZ_RESULT SzSkeepDataSize(CSzData *sd, UInt64 size) +{ + if (size > sd->Size) + return SZE_ARCHIVE_ERROR; + sd->Size -= (size_t)size; + sd->Data += (size_t)size; + return SZ_OK; +} + +SZ_RESULT SzSkeepData(CSzData *sd) +{ + UInt64 size; + RINOK(SzReadNumber(sd, &size)); + return SzSkeepDataSize(sd, size); +} + +SZ_RESULT SzReadArchiveProperties(CSzData *sd) +{ + for (;;) + { + UInt64 type; + RINOK(SzReadID(sd, &type)); + if (type == k7zIdEnd) + break; + SzSkeepData(sd); + } + return SZ_OK; +} + +SZ_RESULT SzWaitAttribute(CSzData *sd, UInt64 attribute) +{ + for (;;) + { + UInt64 type; + RINOK(SzReadID(sd, &type)); + if (type == attribute) + return SZ_OK; + if (type == k7zIdEnd) + return SZE_ARCHIVE_ERROR; + RINOK(SzSkeepData(sd)); + } +} + +SZ_RESULT SzReadBoolVector(CSzData *sd, size_t numItems, Byte **v, void * (*allocFunc)(size_t size)) +{ + Byte b = 0; + Byte mask = 0; + size_t i; + MY_ALLOC(Byte, *v, numItems, allocFunc); + for (i = 0; i < numItems; i++) + { + if (mask == 0) + { + RINOK(SzReadByte(sd, &b)); + mask = 0x80; + } + (*v)[i] = (Byte)(((b & mask) != 0) ? 1 : 0); + mask >>= 1; + } + return SZ_OK; +} + +SZ_RESULT SzReadBoolVector2(CSzData *sd, size_t numItems, Byte **v, void * (*allocFunc)(size_t size)) +{ + Byte allAreDefined; + size_t i; + RINOK(SzReadByte(sd, &allAreDefined)); + if (allAreDefined == 0) + return SzReadBoolVector(sd, numItems, v, allocFunc); + MY_ALLOC(Byte, *v, numItems, allocFunc); + for(i = 0; i < numItems; i++) + (*v)[i] = 1; + return SZ_OK; +} + +SZ_RESULT SzReadHashDigests( + CSzData *sd, + size_t numItems, + Byte **digestsDefined, + UInt32 **digests, + void * (*allocFunc)(size_t size)) +{ + size_t i; + RINOK(SzReadBoolVector2(sd, numItems, digestsDefined, allocFunc)); + MY_ALLOC(UInt32, *digests, numItems, allocFunc); + for(i = 0; i < numItems; i++) + if ((*digestsDefined)[i]) + { + RINOK(SzReadUInt32(sd, (*digests) + i)); + } + return SZ_OK; +} + +SZ_RESULT SzReadPackInfo( + CSzData *sd, + CFileSize *dataOffset, + UInt32 *numPackStreams, + CFileSize **packSizes, + Byte **packCRCsDefined, + UInt32 **packCRCs, + void * (*allocFunc)(size_t size)) +{ + UInt32 i; + RINOK(SzReadSize(sd, dataOffset)); + RINOK(SzReadNumber32(sd, numPackStreams)); + + RINOK(SzWaitAttribute(sd, k7zIdSize)); + + MY_ALLOC(CFileSize, *packSizes, (size_t)*numPackStreams, allocFunc); + + for(i = 0; i < *numPackStreams; i++) + { + RINOK(SzReadSize(sd, (*packSizes) + i)); + } + + for (;;) + { + UInt64 type; + RINOK(SzReadID(sd, &type)); + if (type == k7zIdEnd) + break; + if (type == k7zIdCRC) + { + RINOK(SzReadHashDigests(sd, (size_t)*numPackStreams, packCRCsDefined, packCRCs, allocFunc)); + continue; + } + RINOK(SzSkeepData(sd)); + } + if (*packCRCsDefined == 0) + { + MY_ALLOC(Byte, *packCRCsDefined, (size_t)*numPackStreams, allocFunc); + MY_ALLOC(UInt32, *packCRCs, (size_t)*numPackStreams, allocFunc); + for(i = 0; i < *numPackStreams; i++) + { + (*packCRCsDefined)[i] = 0; + (*packCRCs)[i] = 0; + } + } + return SZ_OK; +} + +SZ_RESULT SzReadSwitch(CSzData *sd) +{ + Byte external; + RINOK(SzReadByte(sd, &external)); + return (external == 0) ? SZ_OK: SZE_ARCHIVE_ERROR; +} + +SZ_RESULT SzGetNextFolderItem(CSzData *sd, CFolder *folder, void * (*allocFunc)(size_t size)) +{ + UInt32 numCoders; + UInt32 numBindPairs; + UInt32 numPackedStreams; + UInt32 i; + UInt32 numInStreams = 0; + UInt32 numOutStreams = 0; + RINOK(SzReadNumber32(sd, &numCoders)); + folder->NumCoders = numCoders; + + MY_ALLOC(CCoderInfo, folder->Coders, (size_t)numCoders, allocFunc); + + for (i = 0; i < numCoders; i++) + SzCoderInfoInit(folder->Coders + i); + + for (i = 0; i < numCoders; i++) + { + Byte mainByte; + CCoderInfo *coder = folder->Coders + i; + { + unsigned idSize, j; + Byte longID[15]; + RINOK(SzReadByte(sd, &mainByte)); + idSize = (unsigned)(mainByte & 0xF); + RINOK(SzReadBytes(sd, longID, idSize)); + if (idSize > sizeof(coder->MethodID)) + return SZE_NOTIMPL; + coder->MethodID = 0; + for (j = 0; j < idSize; j++) + coder->MethodID |= (CMethodID)longID[idSize - 1 - j] << (8 * j); + + if ((mainByte & 0x10) != 0) + { + RINOK(SzReadNumber32(sd, &coder->NumInStreams)); + RINOK(SzReadNumber32(sd, &coder->NumOutStreams)); + } + else + { + coder->NumInStreams = 1; + coder->NumOutStreams = 1; + } + if ((mainByte & 0x20) != 0) + { + UInt64 propertiesSize = 0; + RINOK(SzReadNumber(sd, &propertiesSize)); + if (!SzByteBufferCreate(&coder->Properties, (size_t)propertiesSize, allocFunc)) + return SZE_OUTOFMEMORY; + RINOK(SzReadBytes(sd, coder->Properties.Items, (size_t)propertiesSize)); + } + } + while ((mainByte & 0x80) != 0) + { + RINOK(SzReadByte(sd, &mainByte)); + RINOK(SzSkeepDataSize(sd, (mainByte & 0xF))); + if ((mainByte & 0x10) != 0) + { + UInt32 n; + RINOK(SzReadNumber32(sd, &n)); + RINOK(SzReadNumber32(sd, &n)); + } + if ((mainByte & 0x20) != 0) + { + UInt64 propertiesSize = 0; + RINOK(SzReadNumber(sd, &propertiesSize)); + RINOK(SzSkeepDataSize(sd, propertiesSize)); + } + } + numInStreams += (UInt32)coder->NumInStreams; + numOutStreams += (UInt32)coder->NumOutStreams; + } + + numBindPairs = numOutStreams - 1; + folder->NumBindPairs = numBindPairs; + + + MY_ALLOC(CBindPair, folder->BindPairs, (size_t)numBindPairs, allocFunc); + + for (i = 0; i < numBindPairs; i++) + { + CBindPair *bindPair = folder->BindPairs + i;; + RINOK(SzReadNumber32(sd, &bindPair->InIndex)); + RINOK(SzReadNumber32(sd, &bindPair->OutIndex)); + } + + numPackedStreams = numInStreams - (UInt32)numBindPairs; + + folder->NumPackStreams = numPackedStreams; + MY_ALLOC(UInt32, folder->PackStreams, (size_t)numPackedStreams, allocFunc); + + if (numPackedStreams == 1) + { + UInt32 j; + UInt32 pi = 0; + for (j = 0; j < numInStreams; j++) + if (SzFolderFindBindPairForInStream(folder, j) < 0) + { + folder->PackStreams[pi++] = j; + break; + } + } + else + for(i = 0; i < numPackedStreams; i++) + { + RINOK(SzReadNumber32(sd, folder->PackStreams + i)); + } + return SZ_OK; +} + +SZ_RESULT SzReadUnPackInfo( + CSzData *sd, + UInt32 *numFolders, + CFolder **folders, /* for allocFunc */ + void * (*allocFunc)(size_t size), + ISzAlloc *allocTemp) +{ + UInt32 i; + RINOK(SzWaitAttribute(sd, k7zIdFolder)); + RINOK(SzReadNumber32(sd, numFolders)); + { + RINOK(SzReadSwitch(sd)); + + MY_ALLOC(CFolder, *folders, (size_t)*numFolders, allocFunc); + + for(i = 0; i < *numFolders; i++) + SzFolderInit((*folders) + i); + + for(i = 0; i < *numFolders; i++) + { + RINOK(SzGetNextFolderItem(sd, (*folders) + i, allocFunc)); + } + } + + RINOK(SzWaitAttribute(sd, k7zIdCodersUnPackSize)); + + for(i = 0; i < *numFolders; i++) + { + UInt32 j; + CFolder *folder = (*folders) + i; + UInt32 numOutStreams = SzFolderGetNumOutStreams(folder); + + MY_ALLOC(CFileSize, folder->UnPackSizes, (size_t)numOutStreams, allocFunc); + + for(j = 0; j < numOutStreams; j++) + { + RINOK(SzReadSize(sd, folder->UnPackSizes + j)); + } + } + + for (;;) + { + UInt64 type; + RINOK(SzReadID(sd, &type)); + if (type == k7zIdEnd) + return SZ_OK; + if (type == k7zIdCRC) + { + SZ_RESULT res; + Byte *crcsDefined = 0; + UInt32 *crcs = 0; + res = SzReadHashDigests(sd, *numFolders, &crcsDefined, &crcs, allocTemp->Alloc); + if (res == SZ_OK) + { + for(i = 0; i < *numFolders; i++) + { + CFolder *folder = (*folders) + i; + folder->UnPackCRCDefined = crcsDefined[i]; + folder->UnPackCRC = crcs[i]; + } + } + allocTemp->Free(crcs); + allocTemp->Free(crcsDefined); + RINOK(res); + continue; + } + RINOK(SzSkeepData(sd)); + } +} + +SZ_RESULT SzReadSubStreamsInfo( + CSzData *sd, + UInt32 numFolders, + CFolder *folders, + UInt32 *numUnPackStreams, + CFileSize **unPackSizes, + Byte **digestsDefined, + UInt32 **digests, + ISzAlloc *allocTemp) +{ + UInt64 type = 0; + UInt32 i; + UInt32 si = 0; + UInt32 numDigests = 0; + + for(i = 0; i < numFolders; i++) + folders[i].NumUnPackStreams = 1; + *numUnPackStreams = numFolders; + + for (;;) + { + RINOK(SzReadID(sd, &type)); + if (type == k7zIdNumUnPackStream) + { + *numUnPackStreams = 0; + for(i = 0; i < numFolders; i++) + { + UInt32 numStreams; + RINOK(SzReadNumber32(sd, &numStreams)); + folders[i].NumUnPackStreams = numStreams; + *numUnPackStreams += numStreams; + } + continue; + } + if (type == k7zIdCRC || type == k7zIdSize) + break; + if (type == k7zIdEnd) + break; + RINOK(SzSkeepData(sd)); + } + + if (*numUnPackStreams == 0) + { + *unPackSizes = 0; + *digestsDefined = 0; + *digests = 0; + } + else + { + *unPackSizes = (CFileSize *)allocTemp->Alloc((size_t)*numUnPackStreams * sizeof(CFileSize)); + RINOM(*unPackSizes); + *digestsDefined = (Byte *)allocTemp->Alloc((size_t)*numUnPackStreams * sizeof(Byte)); + RINOM(*digestsDefined); + *digests = (UInt32 *)allocTemp->Alloc((size_t)*numUnPackStreams * sizeof(UInt32)); + RINOM(*digests); + } + + for(i = 0; i < numFolders; i++) + { + /* + v3.13 incorrectly worked with empty folders + v4.07: we check that folder is empty + */ + CFileSize sum = 0; + UInt32 j; + UInt32 numSubstreams = folders[i].NumUnPackStreams; + if (numSubstreams == 0) + continue; + if (type == k7zIdSize) + for (j = 1; j < numSubstreams; j++) + { + CFileSize size; + RINOK(SzReadSize(sd, &size)); + (*unPackSizes)[si++] = size; + sum += size; + } + (*unPackSizes)[si++] = SzFolderGetUnPackSize(folders + i) - sum; + } + if (type == k7zIdSize) + { + RINOK(SzReadID(sd, &type)); + } + + for(i = 0; i < *numUnPackStreams; i++) + { + (*digestsDefined)[i] = 0; + (*digests)[i] = 0; + } + + + for(i = 0; i < numFolders; i++) + { + UInt32 numSubstreams = folders[i].NumUnPackStreams; + if (numSubstreams != 1 || !folders[i].UnPackCRCDefined) + numDigests += numSubstreams; + } + + + si = 0; + for (;;) + { + if (type == k7zIdCRC) + { + int digestIndex = 0; + Byte *digestsDefined2 = 0; + UInt32 *digests2 = 0; + SZ_RESULT res = SzReadHashDigests(sd, numDigests, &digestsDefined2, &digests2, allocTemp->Alloc); + if (res == SZ_OK) + { + for (i = 0; i < numFolders; i++) + { + CFolder *folder = folders + i; + UInt32 numSubstreams = folder->NumUnPackStreams; + if (numSubstreams == 1 && folder->UnPackCRCDefined) + { + (*digestsDefined)[si] = 1; + (*digests)[si] = folder->UnPackCRC; + si++; + } + else + { + UInt32 j; + for (j = 0; j < numSubstreams; j++, digestIndex++) + { + (*digestsDefined)[si] = digestsDefined2[digestIndex]; + (*digests)[si] = digests2[digestIndex]; + si++; + } + } + } + } + allocTemp->Free(digestsDefined2); + allocTemp->Free(digests2); + RINOK(res); + } + else if (type == k7zIdEnd) + return SZ_OK; + else + { + RINOK(SzSkeepData(sd)); + } + RINOK(SzReadID(sd, &type)); + } +} + + +SZ_RESULT SzReadStreamsInfo( + CSzData *sd, + CFileSize *dataOffset, + CArchiveDatabase *db, + UInt32 *numUnPackStreams, + CFileSize **unPackSizes, /* allocTemp */ + Byte **digestsDefined, /* allocTemp */ + UInt32 **digests, /* allocTemp */ + void * (*allocFunc)(size_t size), + ISzAlloc *allocTemp) +{ + for (;;) + { + UInt64 type; + RINOK(SzReadID(sd, &type)); + if ((UInt64)(int)type != type) + return SZE_FAIL; + switch((int)type) + { + case k7zIdEnd: + return SZ_OK; + case k7zIdPackInfo: + { + RINOK(SzReadPackInfo(sd, dataOffset, &db->NumPackStreams, + &db->PackSizes, &db->PackCRCsDefined, &db->PackCRCs, allocFunc)); + break; + } + case k7zIdUnPackInfo: + { + RINOK(SzReadUnPackInfo(sd, &db->NumFolders, &db->Folders, allocFunc, allocTemp)); + break; + } + case k7zIdSubStreamsInfo: + { + RINOK(SzReadSubStreamsInfo(sd, db->NumFolders, db->Folders, + numUnPackStreams, unPackSizes, digestsDefined, digests, allocTemp)); + break; + } + default: + return SZE_FAIL; + } + } +} + +Byte kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + +SZ_RESULT SzReadFileNames(CSzData *sd, UInt32 numFiles, CFileItem *files, + void * (*allocFunc)(size_t size)) +{ + UInt32 i; + for(i = 0; i < numFiles; i++) + { + UInt32 len = 0; + UInt32 pos = 0; + CFileItem *file = files + i; + while(pos + 2 <= sd->Size) + { + int numAdds; + UInt32 value = (UInt32)(sd->Data[pos] | (((UInt32)sd->Data[pos + 1]) << 8)); + pos += 2; + len++; + if (value == 0) + break; + if (value < 0x80) + continue; + if (value >= 0xD800 && value < 0xE000) + { + UInt32 c2; + if (value >= 0xDC00) + return SZE_ARCHIVE_ERROR; + if (pos + 2 > sd->Size) + return SZE_ARCHIVE_ERROR; + c2 = (UInt32)(sd->Data[pos] | (((UInt32)sd->Data[pos + 1]) << 8)); + pos += 2; + if (c2 < 0xDC00 || c2 >= 0xE000) + return SZE_ARCHIVE_ERROR; + value = ((value - 0xD800) << 10) | (c2 - 0xDC00); + } + for (numAdds = 1; numAdds < 5; numAdds++) + if (value < (((UInt32)1) << (numAdds * 5 + 6))) + break; + len += numAdds; + } + + MY_ALLOC(char, file->Name, (size_t)len, allocFunc); + + len = 0; + while(2 <= sd->Size) + { + int numAdds; + UInt32 value = (UInt32)(sd->Data[0] | (((UInt32)sd->Data[1]) << 8)); + SzSkeepDataSize(sd, 2); + if (value < 0x80) + { + file->Name[len++] = (char)value; + if (value == 0) + break; + continue; + } + if (value >= 0xD800 && value < 0xE000) + { + UInt32 c2 = (UInt32)(sd->Data[0] | (((UInt32)sd->Data[1]) << 8)); + SzSkeepDataSize(sd, 2); + value = ((value - 0xD800) << 10) | (c2 - 0xDC00); + } + for (numAdds = 1; numAdds < 5; numAdds++) + if (value < (((UInt32)1) << (numAdds * 5 + 6))) + break; + file->Name[len++] = (char)(kUtf8Limits[numAdds - 1] + (value >> (6 * numAdds))); + do + { + numAdds--; + file->Name[len++] = (char)(0x80 + ((value >> (6 * numAdds)) & 0x3F)); + } + while(numAdds > 0); + + len += numAdds; + } + } + return SZ_OK; +} + +SZ_RESULT SzReadHeader2( + CSzData *sd, + CArchiveDatabaseEx *db, /* allocMain */ + CFileSize **unPackSizes, /* allocTemp */ + Byte **digestsDefined, /* allocTemp */ + UInt32 **digests, /* allocTemp */ + Byte **emptyStreamVector, /* allocTemp */ + Byte **emptyFileVector, /* allocTemp */ + Byte **lwtVector, /* allocTemp */ + ISzAlloc *allocMain, + ISzAlloc *allocTemp) +{ + UInt64 type; + UInt32 numUnPackStreams = 0; + UInt32 numFiles = 0; + CFileItem *files = 0; + UInt32 numEmptyStreams = 0; + UInt32 i; + + RINOK(SzReadID(sd, &type)); + + if (type == k7zIdArchiveProperties) + { + RINOK(SzReadArchiveProperties(sd)); + RINOK(SzReadID(sd, &type)); + } + + + if (type == k7zIdMainStreamsInfo) + { + RINOK(SzReadStreamsInfo(sd, + &db->ArchiveInfo.DataStartPosition, + &db->Database, + &numUnPackStreams, + unPackSizes, + digestsDefined, + digests, allocMain->Alloc, allocTemp)); + db->ArchiveInfo.DataStartPosition += db->ArchiveInfo.StartPositionAfterHeader; + RINOK(SzReadID(sd, &type)); + } + + if (type == k7zIdEnd) + return SZ_OK; + if (type != k7zIdFilesInfo) + return SZE_ARCHIVE_ERROR; + + RINOK(SzReadNumber32(sd, &numFiles)); + db->Database.NumFiles = numFiles; + + MY_ALLOC(CFileItem, files, (size_t)numFiles, allocMain->Alloc); + + db->Database.Files = files; + for(i = 0; i < numFiles; i++) + SzFileInit(files + i); + + for (;;) + { + UInt64 type; + UInt64 size; + RINOK(SzReadID(sd, &type)); + if (type == k7zIdEnd) + break; + RINOK(SzReadNumber(sd, &size)); + + if ((UInt64)(int)type != type) + { + RINOK(SzSkeepDataSize(sd, size)); + } + else + switch((int)type) + { + case k7zIdName: + { + RINOK(SzReadSwitch(sd)); + RINOK(SzReadFileNames(sd, numFiles, files, allocMain->Alloc)) + break; + } + case k7zIdEmptyStream: + { + RINOK(SzReadBoolVector(sd, numFiles, emptyStreamVector, allocTemp->Alloc)); + numEmptyStreams = 0; + for (i = 0; i < numFiles; i++) + if ((*emptyStreamVector)[i]) + numEmptyStreams++; + break; + } + case k7zIdEmptyFile: + { + RINOK(SzReadBoolVector(sd, numEmptyStreams, emptyFileVector, allocTemp->Alloc)); + break; + } + case k7zIdLastWriteTime: + { + RINOK(SzReadBoolVector2(sd, numFiles, lwtVector, allocTemp->Alloc)); + RINOK(SzReadSwitch(sd)); + for (i = 0; i < numFiles; i++) + { + CFileItem *f = &files[i]; + Byte defined = (*lwtVector)[i]; + f->IsLastWriteTimeDefined = defined; + f->LastWriteTime.Low = f->LastWriteTime.High = 0; + if (defined) + { + RINOK(SzReadUInt32(sd, &f->LastWriteTime.Low)); + RINOK(SzReadUInt32(sd, &f->LastWriteTime.High)); + } + } + break; + } + default: + { + RINOK(SzSkeepDataSize(sd, size)); + } + } + } + + { + UInt32 emptyFileIndex = 0; + UInt32 sizeIndex = 0; + for(i = 0; i < numFiles; i++) + { + CFileItem *file = files + i; + file->IsAnti = 0; + if (*emptyStreamVector == 0) + file->HasStream = 1; + else + file->HasStream = (Byte)((*emptyStreamVector)[i] ? 0 : 1); + if(file->HasStream) + { + file->IsDirectory = 0; + file->Size = (*unPackSizes)[sizeIndex]; + file->FileCRC = (*digests)[sizeIndex]; + file->IsFileCRCDefined = (Byte)(*digestsDefined)[sizeIndex]; + sizeIndex++; + } + else + { + if (*emptyFileVector == 0) + file->IsDirectory = 1; + else + file->IsDirectory = (Byte)((*emptyFileVector)[emptyFileIndex] ? 0 : 1); + emptyFileIndex++; + file->Size = 0; + file->IsFileCRCDefined = 0; + } + } + } + return SzArDbExFill(db, allocMain->Alloc); +} + +SZ_RESULT SzReadHeader( + CSzData *sd, + CArchiveDatabaseEx *db, + ISzAlloc *allocMain, + ISzAlloc *allocTemp) +{ + CFileSize *unPackSizes = 0; + Byte *digestsDefined = 0; + UInt32 *digests = 0; + Byte *emptyStreamVector = 0; + Byte *emptyFileVector = 0; + Byte *lwtVector = 0; + SZ_RESULT res = SzReadHeader2(sd, db, + &unPackSizes, &digestsDefined, &digests, + &emptyStreamVector, &emptyFileVector, &lwtVector, + allocMain, allocTemp); + allocTemp->Free(unPackSizes); + allocTemp->Free(digestsDefined); + allocTemp->Free(digests); + allocTemp->Free(emptyStreamVector); + allocTemp->Free(emptyFileVector); + allocTemp->Free(lwtVector); + return res; +} + +SZ_RESULT SzReadAndDecodePackedStreams2( + ISzInStream *inStream, + CSzData *sd, + CSzByteBuffer *outBuffer, + CFileSize baseOffset, + CArchiveDatabase *db, + CFileSize **unPackSizes, + Byte **digestsDefined, + UInt32 **digests, + #ifndef _LZMA_IN_CB + Byte **inBuffer, + #endif + ISzAlloc *allocTemp) +{ + + UInt32 numUnPackStreams = 0; + CFileSize dataStartPos; + CFolder *folder; + #ifndef _LZMA_IN_CB + CFileSize packSize = 0; + UInt32 i = 0; + #endif + CFileSize unPackSize; + SZ_RESULT res; + + RINOK(SzReadStreamsInfo(sd, &dataStartPos, db, + &numUnPackStreams, unPackSizes, digestsDefined, digests, + allocTemp->Alloc, allocTemp)); + + dataStartPos += baseOffset; + if (db->NumFolders != 1) + return SZE_ARCHIVE_ERROR; + + folder = db->Folders; + unPackSize = SzFolderGetUnPackSize(folder); + + RINOK(inStream->Seek(inStream, dataStartPos)); + + #ifndef _LZMA_IN_CB + for (i = 0; i < db->NumPackStreams; i++) + packSize += db->PackSizes[i]; + + MY_ALLOC(Byte, *inBuffer, (size_t)packSize, allocTemp->Alloc); + + RINOK(SafeReadDirect(inStream, *inBuffer, (size_t)packSize)); + #endif + + if (!SzByteBufferCreate(outBuffer, (size_t)unPackSize, allocTemp->Alloc)) + return SZE_OUTOFMEMORY; + + res = SzDecode(db->PackSizes, folder, + #ifdef _LZMA_IN_CB + inStream, dataStartPos, + #else + *inBuffer, + #endif + outBuffer->Items, (size_t)unPackSize, allocTemp); + RINOK(res) + if (folder->UnPackCRCDefined) + if (CrcCalc(outBuffer->Items, (size_t)unPackSize) != folder->UnPackCRC) + return SZE_FAIL; + return SZ_OK; +} + +SZ_RESULT SzReadAndDecodePackedStreams( + ISzInStream *inStream, + CSzData *sd, + CSzByteBuffer *outBuffer, + CFileSize baseOffset, + ISzAlloc *allocTemp) +{ + CArchiveDatabase db; + CFileSize *unPackSizes = 0; + Byte *digestsDefined = 0; + UInt32 *digests = 0; + #ifndef _LZMA_IN_CB + Byte *inBuffer = 0; + #endif + SZ_RESULT res; + SzArchiveDatabaseInit(&db); + res = SzReadAndDecodePackedStreams2(inStream, sd, outBuffer, baseOffset, + &db, &unPackSizes, &digestsDefined, &digests, + #ifndef _LZMA_IN_CB + &inBuffer, + #endif + allocTemp); + SzArchiveDatabaseFree(&db, allocTemp->Free); + allocTemp->Free(unPackSizes); + allocTemp->Free(digestsDefined); + allocTemp->Free(digests); + #ifndef _LZMA_IN_CB + allocTemp->Free(inBuffer); + #endif + return res; +} + +SZ_RESULT SzArchiveOpen2( + ISzInStream *inStream, + CArchiveDatabaseEx *db, + ISzAlloc *allocMain, + ISzAlloc *allocTemp) +{ + Byte signature[k7zSignatureSize]; + Byte version; + UInt32 crcFromArchive; + UInt64 nextHeaderOffset; + UInt64 nextHeaderSize; + UInt32 nextHeaderCRC; + UInt32 crc = 0; + CFileSize pos = 0; + CSzByteBuffer buffer; + CSzData sd; + SZ_RESULT res; + + RINOK(SafeReadDirect(inStream, signature, k7zSignatureSize)); + + if (!TestSignatureCandidate(signature)) + return SZE_ARCHIVE_ERROR; + + /* + db.Clear(); + db.ArchiveInfo.StartPosition = _arhiveBeginStreamPosition; + */ + RINOK(SafeReadDirectByte(inStream, &version)); + if (version != k7zMajorVersion) + return SZE_ARCHIVE_ERROR; + RINOK(SafeReadDirectByte(inStream, &version)); + + RINOK(SafeReadDirectUInt32(inStream, &crcFromArchive, &crc)); + + crc = CRC_INIT_VAL; + RINOK(SafeReadDirectUInt64(inStream, &nextHeaderOffset, &crc)); + RINOK(SafeReadDirectUInt64(inStream, &nextHeaderSize, &crc)); + RINOK(SafeReadDirectUInt32(inStream, &nextHeaderCRC, &crc)); + + pos = k7zStartHeaderSize; + db->ArchiveInfo.StartPositionAfterHeader = pos; + + if (CRC_GET_DIGEST(crc) != crcFromArchive) + return SZE_ARCHIVE_ERROR; + + if (nextHeaderSize == 0) + return SZ_OK; + + RINOK(inStream->Seek(inStream, (CFileSize)(pos + nextHeaderOffset))); + + if (!SzByteBufferCreate(&buffer, (size_t)nextHeaderSize, allocTemp->Alloc)) + return SZE_OUTOFMEMORY; + + res = SafeReadDirect(inStream, buffer.Items, (size_t)nextHeaderSize); + if (res == SZ_OK) + { + res = SZE_ARCHIVE_ERROR; + if (CrcCalc(buffer.Items, (UInt32)nextHeaderSize) == nextHeaderCRC) + { + for (;;) + { + UInt64 type; + sd.Data = buffer.Items; + sd.Size = buffer.Capacity; + res = SzReadID(&sd, &type); + if (res != SZ_OK) + break; + if (type == k7zIdHeader) + { + res = SzReadHeader(&sd, db, allocMain, allocTemp); + break; + } + if (type != k7zIdEncodedHeader) + { + res = SZE_ARCHIVE_ERROR; + break; + } + { + CSzByteBuffer outBuffer; + res = SzReadAndDecodePackedStreams(inStream, &sd, &outBuffer, + db->ArchiveInfo.StartPositionAfterHeader, + allocTemp); + if (res != SZ_OK) + { + SzByteBufferFree(&outBuffer, allocTemp->Free); + break; + } + SzByteBufferFree(&buffer, allocTemp->Free); + buffer.Items = outBuffer.Items; + buffer.Capacity = outBuffer.Capacity; + } + } + } + } + SzByteBufferFree(&buffer, allocTemp->Free); + return res; +} + +SZ_RESULT SzArchiveOpen( + ISzInStream *inStream, + CArchiveDatabaseEx *db, + ISzAlloc *allocMain, + ISzAlloc *allocTemp) +{ + SZ_RESULT res = SzArchiveOpen2(inStream, db, allocMain, allocTemp); + if (res != SZ_OK) + SzArDbExFree(db, allocMain->Free); + return res; +} diff --git a/third_party/lzma_sdk/Archive/7z/7zIn.h b/third_party/lzma_sdk/Archive/7z/7zIn.h new file mode 100644 index 000000000000..0b4ca08d9dcc --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zIn.h @@ -0,0 +1,55 @@ +/* 7zIn.h */ + +#ifndef __7Z_IN_H +#define __7Z_IN_H + +#include "7zHeader.h" +#include "7zItem.h" +#include "7zAlloc.h" + +typedef struct _CInArchiveInfo +{ + CFileSize StartPositionAfterHeader; + CFileSize DataStartPosition; +}CInArchiveInfo; + +typedef struct _CArchiveDatabaseEx +{ + CArchiveDatabase Database; + CInArchiveInfo ArchiveInfo; + UInt32 *FolderStartPackStreamIndex; + CFileSize *PackStreamStartPositions; + UInt32 *FolderStartFileIndex; + UInt32 *FileIndexToFolderIndexMap; +}CArchiveDatabaseEx; + +void SzArDbExInit(CArchiveDatabaseEx *db); +void SzArDbExFree(CArchiveDatabaseEx *db, void (*freeFunc)(void *)); +CFileSize SzArDbGetFolderStreamPos(CArchiveDatabaseEx *db, UInt32 folderIndex, UInt32 indexInFolder); +int SzArDbGetFolderFullPackSize(CArchiveDatabaseEx *db, UInt32 folderIndex, CFileSize *resSize); + +typedef struct _ISzInStream +{ + #ifdef _LZMA_IN_CB + SZ_RESULT (*Read)( + void *object, /* pointer to ISzInStream itself */ + void **buffer, /* out: pointer to buffer with data */ + size_t maxRequiredSize, /* max required size to read */ + size_t *processedSize); /* real processed size. + processedSize can be less than maxRequiredSize. + If processedSize == 0, then there are no more + bytes in stream. */ + #else + SZ_RESULT (*Read)(void *object, void *buffer, size_t size, size_t *processedSize); + #endif + SZ_RESULT (*Seek)(void *object, CFileSize pos); +} ISzInStream; + + +int SzArchiveOpen( + ISzInStream *inStream, + CArchiveDatabaseEx *db, + ISzAlloc *allocMain, + ISzAlloc *allocTemp); + +#endif diff --git a/third_party/lzma_sdk/Archive/7z/7zItem.c b/third_party/lzma_sdk/Archive/7z/7zItem.c new file mode 100644 index 000000000000..a88afe9a8307 --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zItem.c @@ -0,0 +1,134 @@ +/* 7zItem.c */ + +#include "7zItem.h" +#include "7zAlloc.h" + +void SzCoderInfoInit(CCoderInfo *coder) +{ + SzByteBufferInit(&coder->Properties); +} + +void SzCoderInfoFree(CCoderInfo *coder, void (*freeFunc)(void *p)) +{ + SzByteBufferFree(&coder->Properties, freeFunc); + SzCoderInfoInit(coder); +} + +void SzFolderInit(CFolder *folder) +{ + folder->NumCoders = 0; + folder->Coders = 0; + folder->NumBindPairs = 0; + folder->BindPairs = 0; + folder->NumPackStreams = 0; + folder->PackStreams = 0; + folder->UnPackSizes = 0; + folder->UnPackCRCDefined = 0; + folder->UnPackCRC = 0; + folder->NumUnPackStreams = 0; +} + +void SzFolderFree(CFolder *folder, void (*freeFunc)(void *p)) +{ + UInt32 i; + for (i = 0; i < folder->NumCoders; i++) + SzCoderInfoFree(&folder->Coders[i], freeFunc); + freeFunc(folder->Coders); + freeFunc(folder->BindPairs); + freeFunc(folder->PackStreams); + freeFunc(folder->UnPackSizes); + SzFolderInit(folder); +} + +UInt32 SzFolderGetNumOutStreams(CFolder *folder) +{ + UInt32 result = 0; + UInt32 i; + for (i = 0; i < folder->NumCoders; i++) + result += folder->Coders[i].NumOutStreams; + return result; +} + +int SzFolderFindBindPairForInStream(CFolder *folder, UInt32 inStreamIndex) +{ + UInt32 i; + for(i = 0; i < folder->NumBindPairs; i++) + if (folder->BindPairs[i].InIndex == inStreamIndex) + return i; + return -1; +} + + +int SzFolderFindBindPairForOutStream(CFolder *folder, UInt32 outStreamIndex) +{ + UInt32 i; + for(i = 0; i < folder->NumBindPairs; i++) + if (folder->BindPairs[i].OutIndex == outStreamIndex) + return i; + return -1; +} + +CFileSize SzFolderGetUnPackSize(CFolder *folder) +{ + int i = (int)SzFolderGetNumOutStreams(folder); + if (i == 0) + return 0; + for (i--; i >= 0; i--) + if (SzFolderFindBindPairForOutStream(folder, i) < 0) + return folder->UnPackSizes[i]; + /* throw 1; */ + return 0; +} + +/* +int FindPackStreamArrayIndex(int inStreamIndex) const +{ + for(int i = 0; i < PackStreams.Size(); i++) + if (PackStreams[i] == inStreamIndex) + return i; + return -1; +} +*/ + +void SzFileInit(CFileItem *fileItem) +{ + fileItem->IsFileCRCDefined = 0; + fileItem->HasStream = 1; + fileItem->IsDirectory = 0; + fileItem->IsAnti = 0; + fileItem->IsLastWriteTimeDefined = 0; + fileItem->Name = 0; +} + +void SzFileFree(CFileItem *fileItem, void (*freeFunc)(void *p)) +{ + freeFunc(fileItem->Name); + SzFileInit(fileItem); +} + +void SzArchiveDatabaseInit(CArchiveDatabase *db) +{ + db->NumPackStreams = 0; + db->PackSizes = 0; + db->PackCRCsDefined = 0; + db->PackCRCs = 0; + db->NumFolders = 0; + db->Folders = 0; + db->NumFiles = 0; + db->Files = 0; +} + +void SzArchiveDatabaseFree(CArchiveDatabase *db, void (*freeFunc)(void *)) +{ + UInt32 i; + for (i = 0; i < db->NumFolders; i++) + SzFolderFree(&db->Folders[i], freeFunc); + for (i = 0; i < db->NumFiles; i++) + SzFileFree(&db->Files[i], freeFunc); + freeFunc(db->PackSizes); + freeFunc(db->PackCRCsDefined); + freeFunc(db->PackCRCs); + freeFunc(db->Folders); + freeFunc(db->Files); + SzArchiveDatabaseInit(db); +} diff --git a/third_party/lzma_sdk/Archive/7z/7zItem.h b/third_party/lzma_sdk/Archive/7z/7zItem.h new file mode 100644 index 000000000000..05567bffb04b --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zItem.h @@ -0,0 +1,95 @@ +/* 7zItem.h */ + +#ifndef __7Z_ITEM_H +#define __7Z_ITEM_H + +#include "7zMethodID.h" +#include "7zHeader.h" +#include "7zBuffer.h" + +typedef struct _CCoderInfo +{ + UInt32 NumInStreams; + UInt32 NumOutStreams; + CMethodID MethodID; + CSzByteBuffer Properties; +}CCoderInfo; + +void SzCoderInfoInit(CCoderInfo *coder); +void SzCoderInfoFree(CCoderInfo *coder, void (*freeFunc)(void *p)); + +typedef struct _CBindPair +{ + UInt32 InIndex; + UInt32 OutIndex; +}CBindPair; + +typedef struct _CFolder +{ + UInt32 NumCoders; + CCoderInfo *Coders; + UInt32 NumBindPairs; + CBindPair *BindPairs; + UInt32 NumPackStreams; + UInt32 *PackStreams; + CFileSize *UnPackSizes; + int UnPackCRCDefined; + UInt32 UnPackCRC; + + UInt32 NumUnPackStreams; +}CFolder; + +void SzFolderInit(CFolder *folder); +CFileSize SzFolderGetUnPackSize(CFolder *folder); +int SzFolderFindBindPairForInStream(CFolder *folder, UInt32 inStreamIndex); +UInt32 SzFolderGetNumOutStreams(CFolder *folder); +CFileSize SzFolderGetUnPackSize(CFolder *folder); + +typedef struct _CArchiveFileTime +{ + UInt32 Low; + UInt32 High; +} CArchiveFileTime; + +typedef struct _CFileItem +{ + CArchiveFileTime LastWriteTime; + /* + CFileSize StartPos; + UInt32 Attributes; + */ + CFileSize Size; + UInt32 FileCRC; + char *Name; + + Byte IsFileCRCDefined; + Byte HasStream; + Byte IsDirectory; + Byte IsAnti; + Byte IsLastWriteTimeDefined; + /* + int AreAttributesDefined; + int IsLastWriteTimeDefined; + int IsStartPosDefined; + */ +}CFileItem; + +void SzFileInit(CFileItem *fileItem); + +typedef struct _CArchiveDatabase +{ + UInt32 NumPackStreams; + CFileSize *PackSizes; + Byte *PackCRCsDefined; + UInt32 *PackCRCs; + UInt32 NumFolders; + CFolder *Folders; + UInt32 NumFiles; + CFileItem *Files; +}CArchiveDatabase; + +void SzArchiveDatabaseInit(CArchiveDatabase *db); +void SzArchiveDatabaseFree(CArchiveDatabase *db, void (*freeFunc)(void *)); + + +#endif diff --git a/third_party/lzma_sdk/Archive/7z/7zMethodID.c b/third_party/lzma_sdk/Archive/7z/7zMethodID.c new file mode 100644 index 000000000000..a7e825ded3e2 --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zMethodID.c @@ -0,0 +1,10 @@ +/* 7zMethodID.c */ + +#include "7zMethodID.h" + +/* +int AreMethodsEqual(CMethodID *a1, CMethodID *a2) +{ + return (*a1 == *a2) ? 1 : 0; +} +*/ diff --git a/third_party/lzma_sdk/Archive/7z/7zMethodID.h b/third_party/lzma_sdk/Archive/7z/7zMethodID.h new file mode 100644 index 000000000000..57f22a50bbcd --- /dev/null +++ b/third_party/lzma_sdk/Archive/7z/7zMethodID.h @@ -0,0 +1,10 @@ +/* 7zMethodID.h */ + +#ifndef __7Z_METHOD_ID_H +#define __7Z_METHOD_ID_H + +#include "../../Types.h" + +typedef UInt64 CMethodID; + +#endif diff --git a/third_party/lzma_sdk/Bcj2.h b/third_party/lzma_sdk/Bcj2.h deleted file mode 100644 index dbc054148d2e..000000000000 --- a/third_party/lzma_sdk/Bcj2.h +++ /dev/null @@ -1,38 +0,0 @@ -/* Bcj2.h -- Converter for x86 code (BCJ2) -2009-02-07 : Igor Pavlov : Public domain */ - -#ifndef __BCJ2_H -#define __BCJ2_H - -#include "Types.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* -Conditions: - outSize <= FullOutputSize, - where FullOutputSize is full size of output stream of x86_2 filter. - -If buf0 overlaps outBuf, there are two required conditions: - 1) (buf0 >= outBuf) - 2) (buf0 + size0 >= outBuf + FullOutputSize). - -Returns: - SZ_OK - SZ_ERROR_DATA - Data error -*/ - -int Bcj2_Decode( - const Byte *buf0, SizeT size0, - const Byte *buf1, SizeT size1, - const Byte *buf2, SizeT size2, - const Byte *buf3, SizeT size3, - Byte *outBuf, SizeT outSize); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/third_party/lzma_sdk/Bra.c b/third_party/lzma_sdk/Bra.c deleted file mode 100644 index 2e47b1413c1f..000000000000 --- a/third_party/lzma_sdk/Bra.c +++ /dev/null @@ -1,133 +0,0 @@ -/* Bra.c -- Converters for RISC code -2010-04-16 : Igor Pavlov : Public domain */ - -#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) - { - if (data[i + 3] == 0xEB) - { - 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; - } - } - 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) - { - if ((data[i + 1] & 0xF8) == 0xF0 && - (data[i + 3] & 0xF8) == 0xF8) - { - UInt32 dest; - UInt32 src = - (((UInt32)data[i + 1] & 0x7) << 19) | - ((UInt32)data[i + 0] << 11) | - (((UInt32)data[i + 3] & 0x7) << 8) | - (data[i + 2]); - - src <<= 1; - if (encoding) - dest = ip + (UInt32)i + src; - else - dest = src - (ip + (UInt32)i); - dest >>= 1; - - 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; - } - } - 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)); - - UInt32 dest; - if (encoding) - dest = ip + (UInt32)i + src; - 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; - } - } - 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) - { - if ((data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00) || - (data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0)) - { - 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 (encoding) - dest = ip + i + src; - else - dest = src - (ip + i); - dest >>= 2; - - 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; - } - } - return i; -} diff --git a/third_party/lzma_sdk/Bra.h b/third_party/lzma_sdk/Bra.h deleted file mode 100644 index 5748c1c051d4..000000000000 --- a/third_party/lzma_sdk/Bra.h +++ /dev/null @@ -1,68 +0,0 @@ -/* Bra.h -- Branch converters for executables -2009-02-07 : Igor Pavlov : Public domain */ - -#ifndef __BRA_H -#define __BRA_H - -#include "Types.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* -These functions convert relative addresses to absolute addresses -in CALL instructions to increase the compression ratio. - - In: - data - data buffer - size - size of data - ip - current virtual Instruction Pinter (IP) value - state - state variable for x86 converter - encoding - 0 (for decoding), 1 (for encoding) - - Out: - state - state variable for x86 converter - - Returns: - The number of processed bytes. If you call these functions with multiple calls, - you must start next call with first byte after block of processed bytes. - - Type Endian Alignment LookAhead - - x86 little 1 4 - ARMT little 2 2 - ARM little 4 0 - PPC big 4 0 - SPARC big 4 0 - IA64 little 16 0 - - size must be >= Alignment + LookAhead, if it's not last block. - If (size < Alignment + LookAhead), converter returns 0. - - Example: - - UInt32 ip = 0; - for () - { - ; size must be >= Alignment + LookAhead, if it's not last block - SizeT processed = Convert(data, size, ip, 1); - data += processed; - size -= processed; - ip += processed; - } -*/ - -#define x86_Convert_Init(state) { state = 0; } -SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding); -SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); -SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); -SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); -SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); -SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/third_party/lzma_sdk/Compress/Branch/BranchTypes.h b/third_party/lzma_sdk/Compress/Branch/BranchTypes.h new file mode 100644 index 000000000000..1bed56a9038a --- /dev/null +++ b/third_party/lzma_sdk/Compress/Branch/BranchTypes.h @@ -0,0 +1,51 @@ +/* BranchTypes.h */ + +#ifndef __BRANCHTYPES_H +#define __BRANCHTYPES_H + +#ifndef _7ZIP_BYTE_DEFINED +#define _7ZIP_BYTE_DEFINED +typedef unsigned char Byte; +#endif + +#ifndef _7ZIP_UINT16_DEFINED +#define _7ZIP_UINT16_DEFINED +typedef unsigned short UInt16; +#endif + +#ifndef _7ZIP_UINT32_DEFINED +#define _7ZIP_UINT32_DEFINED +#ifdef _LZMA_UINT32_IS_ULONG +typedef unsigned long UInt32; +#else +typedef unsigned int UInt32; +#endif +#endif + +#ifndef _7ZIP_UINT64_DEFINED +#define _7ZIP_UINT64_DEFINED +#ifdef _SZ_NO_INT_64 +typedef unsigned long UInt64; +#else +#if defined(_MSC_VER) || defined(__BORLANDC__) +typedef unsigned __int64 UInt64; +#else +typedef unsigned long long int UInt64; +#endif +#endif +#endif + +/* #define _LZMA_NO_SYSTEM_SIZE_T */ +/* You can use it, if you don't want */ + +#ifndef _7ZIP_SIZET_DEFINED +#define _7ZIP_SIZET_DEFINED +#ifdef _LZMA_NO_SYSTEM_SIZE_T +typedef UInt32 SizeT; +#else +#include +typedef size_t SizeT; +#endif +#endif + +#endif diff --git a/third_party/lzma_sdk/Bra86.c b/third_party/lzma_sdk/Compress/Branch/BranchX86.c similarity index 75% rename from third_party/lzma_sdk/Bra86.c rename to third_party/lzma_sdk/Compress/Branch/BranchX86.c index 1ee0e709b887..fd1d334ecf45 100644 --- a/third_party/lzma_sdk/Bra86.c +++ b/third_party/lzma_sdk/Compress/Branch/BranchX86.c @@ -1,30 +1,29 @@ -/* Bra86.c -- Converter for x86 code (BCJ) -2008-10-04 : Igor Pavlov : Public domain */ +/* BranchX86.c */ -#include "Bra.h" +#include "BranchX86.h" #define Test86MSByte(b) ((b) == 0 || (b) == 0xFF) const Byte kMaskToAllowedStatus[8] = {1, 1, 1, 0, 1, 0, 0, 0}; const Byte kMaskToBitNumber[8] = {0, 1, 2, 2, 3, 3, 3, 3}; -SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding) +SizeT x86_Convert(Byte *buffer, SizeT endPos, UInt32 nowPos, UInt32 *prevMaskMix, int encoding) { SizeT bufferPos = 0, prevPosT; - UInt32 prevMask = *state & 0x7; - if (size < 5) + UInt32 prevMask = *prevMaskMix & 0x7; + if (endPos < 5) return 0; - ip += 5; + nowPos += 5; prevPosT = (SizeT)0 - 1; - for (;;) + for(;;) { - Byte *p = data + bufferPos; - Byte *limit = data + size - 4; + Byte *p = buffer + bufferPos; + Byte *limit = buffer + endPos - 4; for (; p < limit; p++) if ((*p & 0xFE) == 0xE8) break; - bufferPos = (SizeT)(p - data); + bufferPos = (SizeT)(p - buffer); if (p >= limit) break; prevPosT = bufferPos - prevPosT; @@ -56,9 +55,9 @@ SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding Byte b; int index; if (encoding) - dest = (ip + (UInt32)bufferPos) + src; + dest = (nowPos + (UInt32)bufferPos) + src; else - dest = src - (ip + (UInt32)bufferPos); + dest = src - (nowPos + (UInt32)bufferPos); if (prevMask == 0) break; index = kMaskToBitNumber[prevMask] * 8; @@ -80,6 +79,6 @@ SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding } } prevPosT = bufferPos - prevPosT; - *state = ((prevPosT > 3) ? 0 : ((prevMask << ((int)prevPosT - 1)) & 0x7)); + *prevMaskMix = ((prevPosT > 3) ? 0 : ((prevMask << ((int)prevPosT - 1)) & 0x7)); return bufferPos; } diff --git a/third_party/lzma_sdk/Compress/Branch/BranchX86.h b/third_party/lzma_sdk/Compress/Branch/BranchX86.h new file mode 100644 index 000000000000..5dfd02a7ad5e --- /dev/null +++ b/third_party/lzma_sdk/Compress/Branch/BranchX86.h @@ -0,0 +1,12 @@ +/* BranchX86.h */ + +#ifndef __BRANCHX86_H +#define __BRANCHX86_H + +#include "BranchTypes.h" + +#define x86_Convert_Init(state) { state = 0; } + +SizeT x86_Convert(Byte *buffer, SizeT endPos, UInt32 nowPos, UInt32 *state, int encoding); + +#endif diff --git a/third_party/lzma_sdk/Bcj2.c b/third_party/lzma_sdk/Compress/Branch/BranchX86_2.c similarity index 53% rename from third_party/lzma_sdk/Bcj2.c rename to third_party/lzma_sdk/Compress/Branch/BranchX86_2.c index 20199ce56598..241789a55130 100644 --- a/third_party/lzma_sdk/Bcj2.c +++ b/third_party/lzma_sdk/Compress/Branch/BranchX86_2.c @@ -1,7 +1,8 @@ -/* Bcj2.c -- Converter for x86 code (BCJ2) -2008-10-04 : Igor Pavlov : Public domain */ +// BranchX86_2.c -#include "Bcj2.h" +#include "BranchX86_2.h" + +#include "../../Alloc.h" #ifdef _LZMA_PROB32 #define CProb UInt32 @@ -19,48 +20,50 @@ #define kBitModelTotal (1 << kNumBitModelTotalBits) #define kNumMoveBits 5 -#define RC_READ_BYTE (*buffer++) -#define RC_TEST { if (buffer == bufferLim) return SZ_ERROR_DATA; } -#define RC_INIT2 code = 0; range = 0xFFFFFFFF; \ - { int i; for (i = 0; i < 5; i++) { RC_TEST; code = (code << 8) | RC_READ_BYTE; }} +#define RC_READ_BYTE (*Buffer++) + +#define RC_INIT2 Code = 0; Range = 0xFFFFFFFF; \ + { int i; for(i = 0; i < 5; i++) { RC_TEST; Code = (Code << 8) | RC_READ_BYTE; }} -#define NORMALIZE if (range < kTopValue) { RC_TEST; range <<= 8; code = (code << 8) | RC_READ_BYTE; } +#define RC_TEST { if (Buffer == BufferLim) return BCJ2_RESULT_DATA_ERROR; } -#define IF_BIT_0(p) ttt = *(p); bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound) -#define UPDATE_0(p) range = bound; *(p) = (CProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits)); NORMALIZE; -#define UPDATE_1(p) range -= bound; code -= bound; *(p) = (CProb)(ttt - (ttt >> kNumMoveBits)); NORMALIZE; +#define RC_INIT(buffer, bufferSize) Buffer = buffer; BufferLim = buffer + bufferSize; RC_INIT2 + +#define RC_NORMALIZE if (Range < kTopValue) { RC_TEST; Range <<= 8; Code = (Code << 8) | RC_READ_BYTE; } -int Bcj2_Decode( - const Byte *buf0, SizeT size0, - const Byte *buf1, SizeT size1, - const Byte *buf2, SizeT size2, - const Byte *buf3, SizeT size3, +#define IfBit0(p) RC_NORMALIZE; bound = (Range >> kNumBitModelTotalBits) * *(p); if (Code < bound) +#define UpdateBit0(p) Range = bound; *(p) += (kBitModelTotal - *(p)) >> kNumMoveBits; +#define UpdateBit1(p) Range -= bound; Code -= bound; *(p) -= (*(p)) >> kNumMoveBits; +// #define UpdateBit0(p) Range = bound; *(p) = (CProb)(*(p) + ((kBitModelTotal - *(p)) >> kNumMoveBits)); +// #define UpdateBit1(p) Range -= bound; Code -= bound; *(p) = (CProb)(*(p) - (*(p) >> kNumMoveBits)); + +int x86_2_Decode( + const Byte *buf0, SizeT size0, + const Byte *buf1, SizeT size1, + const Byte *buf2, SizeT size2, + const Byte *buf3, SizeT size3, Byte *outBuf, SizeT outSize) { CProb p[256 + 2]; SizeT inPos = 0, outPos = 0; - const Byte *buffer, *bufferLim; - UInt32 range, code; + const Byte *Buffer, *BufferLim; + UInt32 Range, Code; Byte prevByte = 0; unsigned int i; for (i = 0; i < sizeof(p) / sizeof(p[0]); i++) - p[i] = kBitModelTotal >> 1; - - buffer = buf3; - bufferLim = buffer + size3; - RC_INIT2 + p[i] = kBitModelTotal >> 1; + RC_INIT(buf3, size3); if (outSize == 0) - return SZ_OK; + return BCJ2_RESULT_OK; for (;;) { Byte b; CProb *prob; UInt32 bound; - UInt32 ttt; SizeT limit = size0 - inPos; if (outSize - outPos < limit) @@ -88,21 +91,21 @@ int Bcj2_Decode( else prob = p + 257; - IF_BIT_0(prob) + IfBit0(prob) { - UPDATE_0(prob) + UpdateBit0(prob) prevByte = b; } else { UInt32 dest; const Byte *v; - UPDATE_1(prob) + UpdateBit1(prob) if (b == 0xE8) { v = buf1; if (size1 < 4) - return SZ_ERROR_DATA; + return BCJ2_RESULT_DATA_ERROR; buf1 += 4; size1 -= 4; } @@ -110,11 +113,11 @@ int Bcj2_Decode( { v = buf2; if (size2 < 4) - return SZ_ERROR_DATA; + return BCJ2_RESULT_DATA_ERROR; buf2 += 4; size2 -= 4; } - dest = (((UInt32)v[0] << 24) | ((UInt32)v[1] << 16) | + dest = (((UInt32)v[0] << 24) | ((UInt32)v[1] << 16) | ((UInt32)v[2] << 8) | ((UInt32)v[3])) - ((UInt32)outPos + 4); outBuf[outPos++] = (Byte)dest; if (outPos == outSize) @@ -128,5 +131,5 @@ int Bcj2_Decode( outBuf[outPos++] = prevByte = (Byte)(dest >> 24); } } - return (outPos == outSize) ? SZ_OK : SZ_ERROR_DATA; + return (outPos == outSize) ? BCJ2_RESULT_OK : BCJ2_RESULT_DATA_ERROR; } diff --git a/third_party/lzma_sdk/Compress/Branch/BranchX86_2.h b/third_party/lzma_sdk/Compress/Branch/BranchX86_2.h new file mode 100644 index 000000000000..4d861fa34206 --- /dev/null +++ b/third_party/lzma_sdk/Compress/Branch/BranchX86_2.h @@ -0,0 +1,28 @@ +// BranchX86_2.h + +#ifndef __BRANCHX86_2_H +#define __BRANCHX86_2_H + +#include "BranchTypes.h" + +#define BCJ2_RESULT_OK 0 +#define BCJ2_RESULT_DATA_ERROR 1 + +/* +Conditions: + outSize <= FullOutputSize, + where FullOutputSize is full size of output stream of x86_2 filter. + +If buf0 overlaps outBuf, there are two required conditions: + 1) (buf0 >= outBuf) + 2) (buf0 + size0 >= outBuf + FullOutputSize). +*/ + +int x86_2_Decode( + const Byte *buf0, SizeT size0, + const Byte *buf1, SizeT size1, + const Byte *buf2, SizeT size2, + const Byte *buf3, SizeT size3, + Byte *outBuf, SizeT outSize); + +#endif diff --git a/third_party/lzma_sdk/Compress/Lzma/LzmaDecode.c b/third_party/lzma_sdk/Compress/Lzma/LzmaDecode.c new file mode 100644 index 000000000000..cb8345377ea8 --- /dev/null +++ b/third_party/lzma_sdk/Compress/Lzma/LzmaDecode.c @@ -0,0 +1,584 @@ +/* + LzmaDecode.c + LZMA Decoder (optimized for Speed version) + + LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01) + http://www.7-zip.org/ + + LZMA SDK is licensed under two licenses: + 1) GNU Lesser General Public License (GNU LGPL) + 2) Common Public License (CPL) + It means that you can select one of these two licenses and + follow rules of that license. + + SPECIAL EXCEPTION: + Igor Pavlov, as the author of this Code, expressly permits you to + statically or dynamically link your Code (or bind by name) to the + interfaces of this file without subjecting your linked Code to the + terms of the CPL or GNU LGPL. Any modifications or additions + to this file, however, are subject to the LGPL or CPL terms. +*/ + +#include "LzmaDecode.h" + +#define kNumTopBits 24 +#define kTopValue ((UInt32)1 << kNumTopBits) + +#define kNumBitModelTotalBits 11 +#define kBitModelTotal (1 << kNumBitModelTotalBits) +#define kNumMoveBits 5 + +#define RC_READ_BYTE (*Buffer++) + +#define RC_INIT2 Code = 0; Range = 0xFFFFFFFF; \ + { int i; for(i = 0; i < 5; i++) { RC_TEST; Code = (Code << 8) | RC_READ_BYTE; }} + +#ifdef _LZMA_IN_CB + +#define RC_TEST { if (Buffer == BufferLim) \ + { SizeT size; int result = InCallback->Read(InCallback, &Buffer, &size); if (result != LZMA_RESULT_OK) return result; \ + BufferLim = Buffer + size; if (size == 0) return LZMA_RESULT_DATA_ERROR; }} + +#define RC_INIT Buffer = BufferLim = 0; RC_INIT2 + +#else + +#define RC_TEST { if (Buffer == BufferLim) return LZMA_RESULT_DATA_ERROR; } + +#define RC_INIT(buffer, bufferSize) Buffer = buffer; BufferLim = buffer + bufferSize; RC_INIT2 + +#endif + +#define RC_NORMALIZE if (Range < kTopValue) { RC_TEST; Range <<= 8; Code = (Code << 8) | RC_READ_BYTE; } + +#define IfBit0(p) RC_NORMALIZE; bound = (Range >> kNumBitModelTotalBits) * *(p); if (Code < bound) +#define UpdateBit0(p) Range = bound; *(p) += (kBitModelTotal - *(p)) >> kNumMoveBits; +#define UpdateBit1(p) Range -= bound; Code -= bound; *(p) -= (*(p)) >> kNumMoveBits; + +#define RC_GET_BIT2(p, mi, A0, A1) IfBit0(p) \ + { UpdateBit0(p); mi <<= 1; A0; } else \ + { UpdateBit1(p); mi = (mi + mi) + 1; A1; } + +#define RC_GET_BIT(p, mi) RC_GET_BIT2(p, mi, ; , ;) + +#define RangeDecoderBitTreeDecode(probs, numLevels, res) \ + { int i = numLevels; res = 1; \ + do { CProb *p = probs + res; RC_GET_BIT(p, res) } while(--i != 0); \ + res -= (1 << numLevels); } + + +#define kNumPosBitsMax 4 +#define kNumPosStatesMax (1 << kNumPosBitsMax) + +#define kLenNumLowBits 3 +#define kLenNumLowSymbols (1 << kLenNumLowBits) +#define kLenNumMidBits 3 +#define kLenNumMidSymbols (1 << kLenNumMidBits) +#define kLenNumHighBits 8 +#define kLenNumHighSymbols (1 << kLenNumHighBits) + +#define LenChoice 0 +#define LenChoice2 (LenChoice + 1) +#define LenLow (LenChoice2 + 1) +#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits)) +#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits)) +#define kNumLenProbs (LenHigh + kLenNumHighSymbols) + + +#define kNumStates 12 +#define kNumLitStates 7 + +#define kStartPosModelIndex 4 +#define kEndPosModelIndex 14 +#define kNumFullDistances (1 << (kEndPosModelIndex >> 1)) + +#define kNumPosSlotBits 6 +#define kNumLenToPosStates 4 + +#define kNumAlignBits 4 +#define kAlignTableSize (1 << kNumAlignBits) + +#define kMatchMinLen 2 + +#define IsMatch 0 +#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax)) +#define IsRepG0 (IsRep + kNumStates) +#define IsRepG1 (IsRepG0 + kNumStates) +#define IsRepG2 (IsRepG1 + kNumStates) +#define IsRep0Long (IsRepG2 + kNumStates) +#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax)) +#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits)) +#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex) +#define LenCoder (Align + kAlignTableSize) +#define RepLenCoder (LenCoder + kNumLenProbs) +#define Literal (RepLenCoder + kNumLenProbs) + +#if Literal != LZMA_BASE_SIZE +StopCompilingDueBUG +#endif + +int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size) +{ + unsigned char prop0; + if (size < LZMA_PROPERTIES_SIZE) + return LZMA_RESULT_DATA_ERROR; + prop0 = propsData[0]; + if (prop0 >= (9 * 5 * 5)) + return LZMA_RESULT_DATA_ERROR; + { + for (propsRes->pb = 0; prop0 >= (9 * 5); propsRes->pb++, prop0 -= (9 * 5)); + for (propsRes->lp = 0; prop0 >= 9; propsRes->lp++, prop0 -= 9); + propsRes->lc = prop0; + /* + unsigned char remainder = (unsigned char)(prop0 / 9); + propsRes->lc = prop0 % 9; + propsRes->pb = remainder / 5; + propsRes->lp = remainder % 5; + */ + } + + #ifdef _LZMA_OUT_READ + { + int i; + propsRes->DictionarySize = 0; + for (i = 0; i < 4; i++) + propsRes->DictionarySize += (UInt32)(propsData[1 + i]) << (i * 8); + if (propsRes->DictionarySize == 0) + propsRes->DictionarySize = 1; + } + #endif + return LZMA_RESULT_OK; +} + +#define kLzmaStreamWasFinishedId (-1) + +int LzmaDecode(CLzmaDecoderState *vs, + #ifdef _LZMA_IN_CB + ILzmaInCallback *InCallback, + #else + const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed, + #endif + unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed) +{ + CProb *p = vs->Probs; + SizeT nowPos = 0; + Byte previousByte = 0; + UInt32 posStateMask = (1 << (vs->Properties.pb)) - 1; + UInt32 literalPosMask = (1 << (vs->Properties.lp)) - 1; + int lc = vs->Properties.lc; + + #ifdef _LZMA_OUT_READ + + UInt32 Range = vs->Range; + UInt32 Code = vs->Code; + #ifdef _LZMA_IN_CB + const Byte *Buffer = vs->Buffer; + const Byte *BufferLim = vs->BufferLim; + #else + const Byte *Buffer = inStream; + const Byte *BufferLim = inStream + inSize; + #endif + int state = vs->State; + UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3]; + int len = vs->RemainLen; + UInt32 globalPos = vs->GlobalPos; + UInt32 distanceLimit = vs->DistanceLimit; + + Byte *dictionary = vs->Dictionary; + UInt32 dictionarySize = vs->Properties.DictionarySize; + UInt32 dictionaryPos = vs->DictionaryPos; + + Byte tempDictionary[4]; + + #ifndef _LZMA_IN_CB + *inSizeProcessed = 0; + #endif + *outSizeProcessed = 0; + if (len == kLzmaStreamWasFinishedId) + return LZMA_RESULT_OK; + + if (dictionarySize == 0) + { + dictionary = tempDictionary; + dictionarySize = 1; + tempDictionary[0] = vs->TempDictionary[0]; + } + + if (len == kLzmaNeedInitId) + { + { + UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp)); + UInt32 i; + for (i = 0; i < numProbs; i++) + p[i] = kBitModelTotal >> 1; + rep0 = rep1 = rep2 = rep3 = 1; + state = 0; + globalPos = 0; + distanceLimit = 0; + dictionaryPos = 0; + dictionary[dictionarySize - 1] = 0; + #ifdef _LZMA_IN_CB + RC_INIT; + #else + RC_INIT(inStream, inSize); + #endif + } + len = 0; + } + while(len != 0 && nowPos < outSize) + { + UInt32 pos = dictionaryPos - rep0; + if (pos >= dictionarySize) + pos += dictionarySize; + outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos]; + if (++dictionaryPos == dictionarySize) + dictionaryPos = 0; + len--; + } + if (dictionaryPos == 0) + previousByte = dictionary[dictionarySize - 1]; + else + previousByte = dictionary[dictionaryPos - 1]; + + #else /* if !_LZMA_OUT_READ */ + + int state = 0; + UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1; + int len = 0; + const Byte *Buffer; + const Byte *BufferLim; + UInt32 Range; + UInt32 Code; + + #ifndef _LZMA_IN_CB + *inSizeProcessed = 0; + #endif + *outSizeProcessed = 0; + + { + UInt32 i; + UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp)); + for (i = 0; i < numProbs; i++) + p[i] = kBitModelTotal >> 1; + } + + #ifdef _LZMA_IN_CB + RC_INIT; + #else + RC_INIT(inStream, inSize); + #endif + + #endif /* _LZMA_OUT_READ */ + + while(nowPos < outSize) + { + CProb *prob; + UInt32 bound; + int posState = (int)( + (nowPos + #ifdef _LZMA_OUT_READ + + globalPos + #endif + ) + & posStateMask); + + prob = p + IsMatch + (state << kNumPosBitsMax) + posState; + IfBit0(prob) + { + int symbol = 1; + UpdateBit0(prob) + prob = p + Literal + (LZMA_LIT_SIZE * + ((( + (nowPos + #ifdef _LZMA_OUT_READ + + globalPos + #endif + ) + & literalPosMask) << lc) + (previousByte >> (8 - lc)))); + + if (state >= kNumLitStates) + { + int matchByte; + #ifdef _LZMA_OUT_READ + UInt32 pos = dictionaryPos - rep0; + if (pos >= dictionarySize) + pos += dictionarySize; + matchByte = dictionary[pos]; + #else + matchByte = outStream[nowPos - rep0]; + #endif + do + { + int bit; + CProb *probLit; + matchByte <<= 1; + bit = (matchByte & 0x100); + probLit = prob + 0x100 + bit + symbol; + RC_GET_BIT2(probLit, symbol, if (bit != 0) break, if (bit == 0) break) + } + while (symbol < 0x100); + } + while (symbol < 0x100) + { + CProb *probLit = prob + symbol; + RC_GET_BIT(probLit, symbol) + } + previousByte = (Byte)symbol; + + outStream[nowPos++] = previousByte; + #ifdef _LZMA_OUT_READ + if (distanceLimit < dictionarySize) + distanceLimit++; + + dictionary[dictionaryPos] = previousByte; + if (++dictionaryPos == dictionarySize) + dictionaryPos = 0; + #endif + if (state < 4) state = 0; + else if (state < 10) state -= 3; + else state -= 6; + } + else + { + UpdateBit1(prob); + prob = p + IsRep + state; + IfBit0(prob) + { + UpdateBit0(prob); + rep3 = rep2; + rep2 = rep1; + rep1 = rep0; + state = state < kNumLitStates ? 0 : 3; + prob = p + LenCoder; + } + else + { + UpdateBit1(prob); + prob = p + IsRepG0 + state; + IfBit0(prob) + { + UpdateBit0(prob); + prob = p + IsRep0Long + (state << kNumPosBitsMax) + posState; + IfBit0(prob) + { + #ifdef _LZMA_OUT_READ + UInt32 pos; + #endif + UpdateBit0(prob); + + #ifdef _LZMA_OUT_READ + if (distanceLimit == 0) + #else + if (nowPos == 0) + #endif + return LZMA_RESULT_DATA_ERROR; + + state = state < kNumLitStates ? 9 : 11; + #ifdef _LZMA_OUT_READ + pos = dictionaryPos - rep0; + if (pos >= dictionarySize) + pos += dictionarySize; + previousByte = dictionary[pos]; + dictionary[dictionaryPos] = previousByte; + if (++dictionaryPos == dictionarySize) + dictionaryPos = 0; + #else + previousByte = outStream[nowPos - rep0]; + #endif + outStream[nowPos++] = previousByte; + #ifdef _LZMA_OUT_READ + if (distanceLimit < dictionarySize) + distanceLimit++; + #endif + + continue; + } + else + { + UpdateBit1(prob); + } + } + else + { + UInt32 distance; + UpdateBit1(prob); + prob = p + IsRepG1 + state; + IfBit0(prob) + { + UpdateBit0(prob); + distance = rep1; + } + else + { + UpdateBit1(prob); + prob = p + IsRepG2 + state; + IfBit0(prob) + { + UpdateBit0(prob); + distance = rep2; + } + else + { + UpdateBit1(prob); + distance = rep3; + rep3 = rep2; + } + rep2 = rep1; + } + rep1 = rep0; + rep0 = distance; + } + state = state < kNumLitStates ? 8 : 11; + prob = p + RepLenCoder; + } + { + int numBits, offset; + CProb *probLen = prob + LenChoice; + IfBit0(probLen) + { + UpdateBit0(probLen); + probLen = prob + LenLow + (posState << kLenNumLowBits); + offset = 0; + numBits = kLenNumLowBits; + } + else + { + UpdateBit1(probLen); + probLen = prob + LenChoice2; + IfBit0(probLen) + { + UpdateBit0(probLen); + probLen = prob + LenMid + (posState << kLenNumMidBits); + offset = kLenNumLowSymbols; + numBits = kLenNumMidBits; + } + else + { + UpdateBit1(probLen); + probLen = prob + LenHigh; + offset = kLenNumLowSymbols + kLenNumMidSymbols; + numBits = kLenNumHighBits; + } + } + RangeDecoderBitTreeDecode(probLen, numBits, len); + len += offset; + } + + if (state < 4) + { + int posSlot; + state += kNumLitStates; + prob = p + PosSlot + + ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << + kNumPosSlotBits); + RangeDecoderBitTreeDecode(prob, kNumPosSlotBits, posSlot); + if (posSlot >= kStartPosModelIndex) + { + int numDirectBits = ((posSlot >> 1) - 1); + rep0 = (2 | ((UInt32)posSlot & 1)); + if (posSlot < kEndPosModelIndex) + { + rep0 <<= numDirectBits; + prob = p + SpecPos + rep0 - posSlot - 1; + } + else + { + numDirectBits -= kNumAlignBits; + do + { + RC_NORMALIZE + Range >>= 1; + rep0 <<= 1; + if (Code >= Range) + { + Code -= Range; + rep0 |= 1; + } + } + while (--numDirectBits != 0); + prob = p + Align; + rep0 <<= kNumAlignBits; + numDirectBits = kNumAlignBits; + } + { + int i = 1; + int mi = 1; + do + { + CProb *prob3 = prob + mi; + RC_GET_BIT2(prob3, mi, ; , rep0 |= i); + i <<= 1; + } + while(--numDirectBits != 0); + } + } + else + rep0 = posSlot; + if (++rep0 == (UInt32)(0)) + { + /* it's for stream version */ + len = kLzmaStreamWasFinishedId; + break; + } + } + + len += kMatchMinLen; + #ifdef _LZMA_OUT_READ + if (rep0 > distanceLimit) + #else + if (rep0 > nowPos) + #endif + return LZMA_RESULT_DATA_ERROR; + + #ifdef _LZMA_OUT_READ + if (dictionarySize - distanceLimit > (UInt32)len) + distanceLimit += len; + else + distanceLimit = dictionarySize; + #endif + + do + { + #ifdef _LZMA_OUT_READ + UInt32 pos = dictionaryPos - rep0; + if (pos >= dictionarySize) + pos += dictionarySize; + previousByte = dictionary[pos]; + dictionary[dictionaryPos] = previousByte; + if (++dictionaryPos == dictionarySize) + dictionaryPos = 0; + #else + previousByte = outStream[nowPos - rep0]; + #endif + len--; + outStream[nowPos++] = previousByte; + } + while(len != 0 && nowPos < outSize); + } + } + RC_NORMALIZE; + + #ifdef _LZMA_OUT_READ + vs->Range = Range; + vs->Code = Code; + vs->DictionaryPos = dictionaryPos; + vs->GlobalPos = globalPos + (UInt32)nowPos; + vs->DistanceLimit = distanceLimit; + vs->Reps[0] = rep0; + vs->Reps[1] = rep1; + vs->Reps[2] = rep2; + vs->Reps[3] = rep3; + vs->State = state; + vs->RemainLen = len; + vs->TempDictionary[0] = tempDictionary[0]; + #endif + + #ifdef _LZMA_IN_CB + vs->Buffer = Buffer; + vs->BufferLim = BufferLim; + #else + *inSizeProcessed = (SizeT)(Buffer - inStream); + #endif + *outSizeProcessed = nowPos; + return LZMA_RESULT_OK; +} diff --git a/third_party/lzma_sdk/Compress/Lzma/LzmaDecode.h b/third_party/lzma_sdk/Compress/Lzma/LzmaDecode.h new file mode 100644 index 000000000000..2870eeb9c9c1 --- /dev/null +++ b/third_party/lzma_sdk/Compress/Lzma/LzmaDecode.h @@ -0,0 +1,113 @@ +/* + LzmaDecode.h + LZMA Decoder interface + + LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01) + http://www.7-zip.org/ + + LZMA SDK is licensed under two licenses: + 1) GNU Lesser General Public License (GNU LGPL) + 2) Common Public License (CPL) + It means that you can select one of these two licenses and + follow rules of that license. + + SPECIAL EXCEPTION: + Igor Pavlov, as the author of this code, expressly permits you to + statically or dynamically link your code (or bind by name) to the + interfaces of this file without subjecting your linked code to the + terms of the CPL or GNU LGPL. Any modifications or additions + to this file, however, are subject to the LGPL or CPL terms. +*/ + +#ifndef __LZMADECODE_H +#define __LZMADECODE_H + +#include "LzmaTypes.h" + +/* #define _LZMA_IN_CB */ +/* Use callback for input data */ + +/* #define _LZMA_OUT_READ */ +/* Use read function for output data */ + +/* #define _LZMA_PROB32 */ +/* It can increase speed on some 32-bit CPUs, + but memory usage will be doubled in that case */ + +/* #define _LZMA_LOC_OPT */ +/* Enable local speed optimizations inside code */ + +#ifdef _LZMA_PROB32 +#define CProb UInt32 +#else +#define CProb UInt16 +#endif + +#define LZMA_RESULT_OK 0 +#define LZMA_RESULT_DATA_ERROR 1 + +#ifdef _LZMA_IN_CB +typedef struct _ILzmaInCallback +{ + int (*Read)(void *object, const unsigned char **buffer, SizeT *bufferSize); +} ILzmaInCallback; +#endif + +#define LZMA_BASE_SIZE 1846 +#define LZMA_LIT_SIZE 768 + +#define LZMA_PROPERTIES_SIZE 5 + +typedef struct _CLzmaProperties +{ + int lc; + int lp; + int pb; + #ifdef _LZMA_OUT_READ + UInt32 DictionarySize; + #endif +}CLzmaProperties; + +int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size); + +#define LzmaGetNumProbs(Properties) (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((Properties)->lc + (Properties)->lp))) + +#define kLzmaNeedInitId (-2) + +typedef struct _CLzmaDecoderState +{ + CLzmaProperties Properties; + CProb *Probs; + + #ifdef _LZMA_IN_CB + const unsigned char *Buffer; + const unsigned char *BufferLim; + #endif + + #ifdef _LZMA_OUT_READ + unsigned char *Dictionary; + UInt32 Range; + UInt32 Code; + UInt32 DictionaryPos; + UInt32 GlobalPos; + UInt32 DistanceLimit; + UInt32 Reps[4]; + int State; + int RemainLen; + unsigned char TempDictionary[4]; + #endif +} CLzmaDecoderState; + +#ifdef _LZMA_OUT_READ +#define LzmaDecoderInit(vs) { (vs)->RemainLen = kLzmaNeedInitId; } +#endif + +int LzmaDecode(CLzmaDecoderState *vs, + #ifdef _LZMA_IN_CB + ILzmaInCallback *inCallback, + #else + const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed, + #endif + unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed); + +#endif diff --git a/third_party/lzma_sdk/Compress/Lzma/LzmaTypes.h b/third_party/lzma_sdk/Compress/Lzma/LzmaTypes.h new file mode 100644 index 000000000000..9c27290757c4 --- /dev/null +++ b/third_party/lzma_sdk/Compress/Lzma/LzmaTypes.h @@ -0,0 +1,45 @@ +/* +LzmaTypes.h + +Types for LZMA Decoder + +This file written and distributed to public domain by Igor Pavlov. +This file is part of LZMA SDK 4.40 (2006-05-01) +*/ + +#ifndef __LZMATYPES_H +#define __LZMATYPES_H + +#ifndef _7ZIP_BYTE_DEFINED +#define _7ZIP_BYTE_DEFINED +typedef unsigned char Byte; +#endif + +#ifndef _7ZIP_UINT16_DEFINED +#define _7ZIP_UINT16_DEFINED +typedef unsigned short UInt16; +#endif + +#ifndef _7ZIP_UINT32_DEFINED +#define _7ZIP_UINT32_DEFINED +#ifdef _LZMA_UINT32_IS_ULONG +typedef unsigned long UInt32; +#else +typedef unsigned int UInt32; +#endif +#endif + +/* #define _LZMA_NO_SYSTEM_SIZE_T */ +/* You can use it, if you don't want */ + +#ifndef _7ZIP_SIZET_DEFINED +#define _7ZIP_SIZET_DEFINED +#ifdef _LZMA_NO_SYSTEM_SIZE_T +typedef UInt32 SizeT; +#else +#include +typedef size_t SizeT; +#endif +#endif + +#endif diff --git a/third_party/lzma_sdk/CpuArch.c b/third_party/lzma_sdk/CpuArch.c deleted file mode 100644 index 260cc1f45dc1..000000000000 --- a/third_party/lzma_sdk/CpuArch.c +++ /dev/null @@ -1,168 +0,0 @@ -/* CpuArch.c -- CPU specific code -2010-10-26: Igor Pavlov : Public domain */ - -#include "CpuArch.h" - -#ifdef MY_CPU_X86_OR_AMD64 - -#if (defined(_MSC_VER) && !defined(MY_CPU_AMD64)) || defined(__GNUC__) -#define USE_ASM -#endif - -#if defined(USE_ASM) && !defined(MY_CPU_AMD64) -static UInt32 CheckFlag(UInt32 flag) -{ - #ifdef _MSC_VER - __asm pushfd; - __asm pop EAX; - __asm mov EDX, EAX; - __asm xor EAX, flag; - __asm push EAX; - __asm popfd; - __asm pushfd; - __asm pop EAX; - __asm xor EAX, EDX; - __asm push EDX; - __asm popfd; - __asm and flag, EAX; - #else - __asm__ __volatile__ ( - "pushf\n\t" - "pop %%EAX\n\t" - "movl %%EAX,%%EDX\n\t" - "xorl %0,%%EAX\n\t" - "push %%EAX\n\t" - "popf\n\t" - "pushf\n\t" - "pop %%EAX\n\t" - "xorl %%EDX,%%EAX\n\t" - "push %%EDX\n\t" - "popf\n\t" - "andl %%EAX, %0\n\t": - "=c" (flag) : "c" (flag)); - #endif - return flag; -} -#define CHECK_CPUID_IS_SUPPORTED if (CheckFlag(1 << 18) == 0 || CheckFlag(1 << 21) == 0) return False; -#else -#define CHECK_CPUID_IS_SUPPORTED -#endif - -static void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d) -{ - #ifdef USE_ASM - - #ifdef _MSC_VER - - UInt32 a2, b2, c2, d2; - __asm xor EBX, EBX; - __asm xor ECX, ECX; - __asm xor EDX, EDX; - __asm mov EAX, function; - __asm cpuid; - __asm mov a2, EAX; - __asm mov b2, EBX; - __asm mov c2, ECX; - __asm mov d2, EDX; - - *a = a2; - *b = b2; - *c = c2; - *d = d2; - - #else - - __asm__ __volatile__ ( - "cpuid" - : "=a" (*a) , - "=b" (*b) , - "=c" (*c) , - "=d" (*d) - : "0" (function)) ; - - #endif - - #else - - int CPUInfo[4]; - __cpuid(CPUInfo, function); - *a = CPUInfo[0]; - *b = CPUInfo[1]; - *c = CPUInfo[2]; - *d = CPUInfo[3]; - - #endif -} - -Bool x86cpuid_CheckAndRead(Cx86cpuid *p) -{ - CHECK_CPUID_IS_SUPPORTED - MyCPUID(0, &p->maxFunc, &p->vendor[0], &p->vendor[2], &p->vendor[1]); - MyCPUID(1, &p->ver, &p->b, &p->c, &p->d); - return True; -} - -static UInt32 kVendors[][3] = -{ - { 0x756E6547, 0x49656E69, 0x6C65746E}, - { 0x68747541, 0x69746E65, 0x444D4163}, - { 0x746E6543, 0x48727561, 0x736C7561} -}; - -int x86cpuid_GetFirm(const Cx86cpuid *p) -{ - unsigned i; - for (i = 0; i < sizeof(kVendors) / sizeof(kVendors[i]); i++) - { - const UInt32 *v = kVendors[i]; - if (v[0] == p->vendor[0] && - v[1] == p->vendor[1] && - v[2] == p->vendor[2]) - return (int)i; - } - return -1; -} - -Bool CPU_Is_InOrder() -{ - Cx86cpuid p; - int firm; - UInt32 family, model; - if (!x86cpuid_CheckAndRead(&p)) - return True; - family = x86cpuid_GetFamily(&p); - model = x86cpuid_GetModel(&p); - firm = x86cpuid_GetFirm(&p); - switch (firm) - { - case CPU_FIRM_INTEL: return (family < 6 || (family == 6 && model == 0x100C)); - case CPU_FIRM_AMD: return (family < 5 || (family == 5 && (model < 6 || model == 0xA))); - case CPU_FIRM_VIA: return (family < 6 || (family == 6 && model < 0xF)); - } - return True; -} - -#if !defined(MY_CPU_AMD64) && defined(_WIN32) -static Bool CPU_Sys_Is_SSE_Supported() -{ - OSVERSIONINFO vi; - vi.dwOSVersionInfoSize = sizeof(vi); - if (!GetVersionEx(&vi)) - return False; - return (vi.dwMajorVersion >= 5); -} -#define CHECK_SYS_SSE_SUPPORT if (!CPU_Sys_Is_SSE_Supported()) return False; -#else -#define CHECK_SYS_SSE_SUPPORT -#endif - -Bool CPU_Is_Aes_Supported() -{ - Cx86cpuid p; - CHECK_SYS_SSE_SUPPORT - if (!x86cpuid_CheckAndRead(&p)) - return False; - return (p.c >> 25) & 1; -} - -#endif diff --git a/third_party/lzma_sdk/CpuArch.h b/third_party/lzma_sdk/CpuArch.h deleted file mode 100644 index 01930c7e67d4..000000000000 --- a/third_party/lzma_sdk/CpuArch.h +++ /dev/null @@ -1,155 +0,0 @@ -/* CpuArch.h -- CPU specific code -2010-10-26: Igor Pavlov : Public domain */ - -#ifndef __CPU_ARCH_H -#define __CPU_ARCH_H - -#include "Types.h" - -EXTERN_C_BEGIN - -/* -MY_CPU_LE means that CPU is LITTLE ENDIAN. -If MY_CPU_LE is not defined, we don't know about that property of platform (it can be LITTLE ENDIAN). - -MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses. -If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform. -*/ - -#if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__) -#define MY_CPU_AMD64 -#endif - -#if defined(MY_CPU_AMD64) || defined(_M_IA64) -#define MY_CPU_64BIT -#endif - -#if defined(_M_IX86) || defined(__i386__) -#define MY_CPU_X86 -#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) -#define MY_CPU_32BIT -#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) -#define MY_CPU_LE_UNALIGN -#endif - -#if defined(MY_CPU_X86_OR_AMD64) || defined(MY_CPU_ARM_LE) || defined(MY_CPU_IA64_LE) || defined(__ARMEL__) || defined(__MIPSEL__) || defined(__LITTLE_ENDIAN__) -#define MY_CPU_LE -#endif - -#if defined(__BIG_ENDIAN__) -#define MY_CPU_BE -#endif - -#if defined(MY_CPU_LE) && defined(MY_CPU_BE) -Stop_Compiling_Bad_Endian -#endif - -#ifdef MY_CPU_LE_UNALIGN - -#define GetUi16(p) (*(const UInt16 *)(p)) -#define GetUi32(p) (*(const UInt32 *)(p)) -#define GetUi64(p) (*(const UInt64 *)(p)) -#define SetUi16(p, d) *(UInt16 *)(p) = (d); -#define SetUi32(p, d) *(UInt32 *)(p) = (d); -#define SetUi64(p, d) *(UInt64 *)(p) = (d); - -#else - -#define GetUi16(p) (((const Byte *)(p))[0] | ((UInt16)((const Byte *)(p))[1] << 8)) - -#define GetUi32(p) ( \ - ((const Byte *)(p))[0] | \ - ((UInt32)((const Byte *)(p))[1] << 8) | \ - ((UInt32)((const Byte *)(p))[2] << 16) | \ - ((UInt32)((const Byte *)(p))[3] << 24)) - -#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32)) - -#define SetUi16(p, d) { UInt32 _x_ = (d); \ - ((Byte *)(p))[0] = (Byte)_x_; \ - ((Byte *)(p))[1] = (Byte)(_x_ >> 8); } - -#define SetUi32(p, d) { UInt32 _x_ = (d); \ - ((Byte *)(p))[0] = (Byte)_x_; \ - ((Byte *)(p))[1] = (Byte)(_x_ >> 8); \ - ((Byte *)(p))[2] = (Byte)(_x_ >> 16); \ - ((Byte *)(p))[3] = (Byte)(_x_ >> 24); } - -#define SetUi64(p, d) { UInt64 _x64_ = (d); \ - SetUi32(p, (UInt32)_x64_); \ - SetUi32(((Byte *)(p)) + 4, (UInt32)(_x64_ >> 32)); } - -#endif - -#if defined(MY_CPU_LE_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300) - -#pragma intrinsic(_byteswap_ulong) -#pragma intrinsic(_byteswap_uint64) -#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p)) -#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p)) - -#else - -#define GetBe32(p) ( \ - ((UInt32)((const Byte *)(p))[0] << 24) | \ - ((UInt32)((const Byte *)(p))[1] << 16) | \ - ((UInt32)((const Byte *)(p))[2] << 8) | \ - ((const Byte *)(p))[3] ) - -#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4)) - -#endif - -#define GetBe16(p) (((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1]) - - -#ifdef MY_CPU_X86_OR_AMD64 - -typedef struct -{ - UInt32 maxFunc; - UInt32 vendor[3]; - UInt32 ver; - UInt32 b; - UInt32 c; - UInt32 d; -} Cx86cpuid; - -enum -{ - CPU_FIRM_INTEL, - CPU_FIRM_AMD, - CPU_FIRM_VIA -}; - -Bool x86cpuid_CheckAndRead(Cx86cpuid *p); -int x86cpuid_GetFirm(const Cx86cpuid *p); - -#define x86cpuid_GetFamily(p) (((p)->ver >> 8) & 0xFF00F) -#define x86cpuid_GetModel(p) (((p)->ver >> 4) & 0xF00F) -#define x86cpuid_GetStepping(p) ((p)->ver & 0xF) - -Bool CPU_Is_InOrder(); -Bool CPU_Is_Aes_Supported(); - -#endif - -EXTERN_C_END - -#endif diff --git a/third_party/lzma_sdk/LzFind.c b/third_party/lzma_sdk/LzFind.c deleted file mode 100644 index e3ecb05420eb..000000000000 --- a/third_party/lzma_sdk/LzFind.c +++ /dev/null @@ -1,761 +0,0 @@ -/* LzFind.c -- Match finder for LZ algorithms -2009-04-22 : Igor Pavlov : Public domain */ - -#include - -#include "LzFind.h" -#include "LzHash.h" - -#define kEmptyHashValue 0 -#define kMaxValForNormalize ((UInt32)0xFFFFFFFF) -#define kNormalizeStepMin (1 << 10) /* it must be power of 2 */ -#define kNormalizeMask (~(kNormalizeStepMin - 1)) -#define kMaxHistorySize ((UInt32)3 << 30) - -#define kStartMaxLen 3 - -static void LzInWindow_Free(CMatchFinder *p, ISzAlloc *alloc) -{ - if (!p->directInput) - { - alloc->Free(alloc, p->bufferBase); - p->bufferBase = 0; - } -} - -/* keepSizeBefore + keepSizeAfter + keepSizeReserv must be < 4G) */ - -static int LzInWindow_Create(CMatchFinder *p, UInt32 keepSizeReserv, ISzAlloc *alloc) -{ - UInt32 blockSize = p->keepSizeBefore + p->keepSizeAfter + keepSizeReserv; - if (p->directInput) - { - p->blockSize = blockSize; - return 1; - } - if (p->bufferBase == 0 || p->blockSize != blockSize) - { - LzInWindow_Free(p, alloc); - p->blockSize = blockSize; - p->bufferBase = (Byte *)alloc->Alloc(alloc, (size_t)blockSize); - } - return (p->bufferBase != 0); -} - -Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; } -Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; } - -UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; } - -void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue) -{ - p->posLimit -= subValue; - p->pos -= subValue; - p->streamPos -= subValue; -} - -static void MatchFinder_ReadBlock(CMatchFinder *p) -{ - if (p->streamEndWasReached || p->result != SZ_OK) - return; - if (p->directInput) - { - UInt32 curSize = 0xFFFFFFFF - p->streamPos; - if (curSize > p->directInputRem) - curSize = (UInt32)p->directInputRem; - p->directInputRem -= curSize; - p->streamPos += curSize; - if (p->directInputRem == 0) - p->streamEndWasReached = 1; - return; - } - for (;;) - { - Byte *dest = p->buffer + (p->streamPos - p->pos); - size_t size = (p->bufferBase + p->blockSize - dest); - if (size == 0) - return; - p->result = p->stream->Read(p->stream, dest, &size); - if (p->result != SZ_OK) - return; - if (size == 0) - { - p->streamEndWasReached = 1; - return; - } - p->streamPos += (UInt32)size; - if (p->streamPos - p->pos > p->keepSizeAfter) - return; - } -} - -void MatchFinder_MoveBlock(CMatchFinder *p) -{ - memmove(p->bufferBase, - p->buffer - p->keepSizeBefore, - (size_t)(p->streamPos - p->pos + p->keepSizeBefore)); - p->buffer = p->bufferBase + p->keepSizeBefore; -} - -int MatchFinder_NeedMove(CMatchFinder *p) -{ - if (p->directInput) - return 0; - /* if (p->streamEndWasReached) return 0; */ - return ((size_t)(p->bufferBase + p->blockSize - p->buffer) <= p->keepSizeAfter); -} - -void MatchFinder_ReadIfRequired(CMatchFinder *p) -{ - if (p->streamEndWasReached) - return; - if (p->keepSizeAfter >= p->streamPos - p->pos) - MatchFinder_ReadBlock(p); -} - -static void MatchFinder_CheckAndMoveAndRead(CMatchFinder *p) -{ - if (MatchFinder_NeedMove(p)) - MatchFinder_MoveBlock(p); - MatchFinder_ReadBlock(p); -} - -static void MatchFinder_SetDefaultSettings(CMatchFinder *p) -{ - p->cutValue = 32; - p->btMode = 1; - p->numHashBytes = 4; - p->bigHash = 0; -} - -#define kCrcPoly 0xEDB88320 - -void MatchFinder_Construct(CMatchFinder *p) -{ - UInt32 i; - p->bufferBase = 0; - p->directInput = 0; - p->hash = 0; - MatchFinder_SetDefaultSettings(p); - - for (i = 0; i < 256; i++) - { - UInt32 r = i; - int j; - for (j = 0; j < 8; j++) - r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1)); - p->crc[i] = r; - } -} - -static void MatchFinder_FreeThisClassMemory(CMatchFinder *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->hash); - p->hash = 0; -} - -void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc) -{ - MatchFinder_FreeThisClassMemory(p, alloc); - LzInWindow_Free(p, alloc); -} - -static CLzRef* AllocRefs(UInt32 num, ISzAlloc *alloc) -{ - size_t sizeInBytes = (size_t)num * sizeof(CLzRef); - if (sizeInBytes / sizeof(CLzRef) != num) - return 0; - return (CLzRef *)alloc->Alloc(alloc, sizeInBytes); -} - -int MatchFinder_Create(CMatchFinder *p, UInt32 historySize, - UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter, - ISzAlloc *alloc) -{ - UInt32 sizeReserv; - if (historySize > kMaxHistorySize) - { - MatchFinder_Free(p, alloc); - return 0; - } - sizeReserv = historySize >> 1; - if (historySize > ((UInt32)2 << 30)) - sizeReserv = historySize >> 2; - sizeReserv += (keepAddBufferBefore + matchMaxLen + keepAddBufferAfter) / 2 + (1 << 19); - - p->keepSizeBefore = historySize + keepAddBufferBefore + 1; - p->keepSizeAfter = matchMaxLen + keepAddBufferAfter; - /* we need one additional byte, since we use MoveBlock after pos++ and before dictionary using */ - if (LzInWindow_Create(p, sizeReserv, alloc)) - { - UInt32 newCyclicBufferSize = historySize + 1; - UInt32 hs; - p->matchMaxLen = matchMaxLen; - { - p->fixedHashSize = 0; - if (p->numHashBytes == 2) - hs = (1 << 16) - 1; - else - { - hs = historySize - 1; - hs |= (hs >> 1); - hs |= (hs >> 2); - hs |= (hs >> 4); - hs |= (hs >> 8); - hs >>= 1; - hs |= 0xFFFF; /* don't change it! It's required for Deflate */ - if (hs > (1 << 24)) - { - if (p->numHashBytes == 3) - hs = (1 << 24) - 1; - else - hs >>= 1; - } - } - p->hashMask = hs; - hs++; - if (p->numHashBytes > 2) p->fixedHashSize += kHash2Size; - if (p->numHashBytes > 3) p->fixedHashSize += kHash3Size; - if (p->numHashBytes > 4) p->fixedHashSize += kHash4Size; - hs += p->fixedHashSize; - } - - { - UInt32 prevSize = p->hashSizeSum + p->numSons; - UInt32 newSize; - p->historySize = historySize; - p->hashSizeSum = hs; - p->cyclicBufferSize = newCyclicBufferSize; - p->numSons = (p->btMode ? newCyclicBufferSize * 2 : newCyclicBufferSize); - newSize = p->hashSizeSum + p->numSons; - if (p->hash != 0 && prevSize == newSize) - return 1; - MatchFinder_FreeThisClassMemory(p, alloc); - p->hash = AllocRefs(newSize, alloc); - if (p->hash != 0) - { - p->son = p->hash + p->hashSizeSum; - return 1; - } - } - } - MatchFinder_Free(p, alloc); - return 0; -} - -static void MatchFinder_SetLimits(CMatchFinder *p) -{ - UInt32 limit = kMaxValForNormalize - p->pos; - UInt32 limit2 = p->cyclicBufferSize - p->cyclicBufferPos; - if (limit2 < limit) - limit = limit2; - limit2 = p->streamPos - p->pos; - if (limit2 <= p->keepSizeAfter) - { - if (limit2 > 0) - limit2 = 1; - } - else - limit2 -= p->keepSizeAfter; - if (limit2 < limit) - limit = limit2; - { - UInt32 lenLimit = p->streamPos - p->pos; - if (lenLimit > p->matchMaxLen) - lenLimit = p->matchMaxLen; - p->lenLimit = lenLimit; - } - p->posLimit = p->pos + limit; -} - -void MatchFinder_Init(CMatchFinder *p) -{ - UInt32 i; - for (i = 0; i < p->hashSizeSum; i++) - p->hash[i] = kEmptyHashValue; - p->cyclicBufferPos = 0; - p->buffer = p->bufferBase; - p->pos = p->streamPos = p->cyclicBufferSize; - p->result = SZ_OK; - p->streamEndWasReached = 0; - MatchFinder_ReadBlock(p); - MatchFinder_SetLimits(p); -} - -static UInt32 MatchFinder_GetSubValue(CMatchFinder *p) -{ - return (p->pos - p->historySize - 1) & kNormalizeMask; -} - -void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems) -{ - UInt32 i; - for (i = 0; i < numItems; i++) - { - UInt32 value = items[i]; - if (value <= subValue) - value = kEmptyHashValue; - else - value -= subValue; - items[i] = value; - } -} - -static void MatchFinder_Normalize(CMatchFinder *p) -{ - UInt32 subValue = MatchFinder_GetSubValue(p); - MatchFinder_Normalize3(subValue, p->hash, p->hashSizeSum + p->numSons); - MatchFinder_ReduceOffsets(p, subValue); -} - -static void MatchFinder_CheckLimits(CMatchFinder *p) -{ - if (p->pos == kMaxValForNormalize) - MatchFinder_Normalize(p); - if (!p->streamEndWasReached && p->keepSizeAfter == p->streamPos - p->pos) - MatchFinder_CheckAndMoveAndRead(p); - if (p->cyclicBufferPos == p->cyclicBufferSize) - p->cyclicBufferPos = 0; - MatchFinder_SetLimits(p); -} - -static UInt32 * Hc_GetMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, - UInt32 *distances, UInt32 maxLen) -{ - son[_cyclicBufferPos] = curMatch; - for (;;) - { - UInt32 delta = pos - curMatch; - if (cutValue-- == 0 || delta >= _cyclicBufferSize) - return distances; - { - const Byte *pb = cur - delta; - curMatch = son[_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)]; - if (pb[maxLen] == cur[maxLen] && *pb == *cur) - { - UInt32 len = 0; - while (++len != lenLimit) - if (pb[len] != cur[len]) - break; - if (maxLen < len) - { - *distances++ = maxLen = len; - *distances++ = delta - 1; - if (len == lenLimit) - return distances; - } - } - } - } -} - -UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, - UInt32 *distances, UInt32 maxLen) -{ - CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1; - CLzRef *ptr1 = son + (_cyclicBufferPos << 1); - UInt32 len0 = 0, len1 = 0; - for (;;) - { - UInt32 delta = pos - curMatch; - if (cutValue-- == 0 || delta >= _cyclicBufferSize) - { - *ptr0 = *ptr1 = kEmptyHashValue; - return distances; - } - { - CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1); - const Byte *pb = cur - delta; - UInt32 len = (len0 < len1 ? len0 : len1); - if (pb[len] == cur[len]) - { - if (++len != lenLimit && pb[len] == cur[len]) - while (++len != lenLimit) - if (pb[len] != cur[len]) - break; - if (maxLen < len) - { - *distances++ = maxLen = len; - *distances++ = delta - 1; - if (len == lenLimit) - { - *ptr1 = pair[0]; - *ptr0 = pair[1]; - return distances; - } - } - } - if (pb[len] < cur[len]) - { - *ptr1 = curMatch; - ptr1 = pair + 1; - curMatch = *ptr1; - len1 = len; - } - else - { - *ptr0 = curMatch; - ptr0 = pair; - curMatch = *ptr0; - len0 = len; - } - } - } -} - -static void SkipMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue) -{ - CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1; - CLzRef *ptr1 = son + (_cyclicBufferPos << 1); - UInt32 len0 = 0, len1 = 0; - for (;;) - { - UInt32 delta = pos - curMatch; - if (cutValue-- == 0 || delta >= _cyclicBufferSize) - { - *ptr0 = *ptr1 = kEmptyHashValue; - return; - } - { - CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1); - const Byte *pb = cur - delta; - UInt32 len = (len0 < len1 ? len0 : len1); - if (pb[len] == cur[len]) - { - while (++len != lenLimit) - if (pb[len] != cur[len]) - break; - { - if (len == lenLimit) - { - *ptr1 = pair[0]; - *ptr0 = pair[1]; - return; - } - } - } - if (pb[len] < cur[len]) - { - *ptr1 = curMatch; - ptr1 = pair + 1; - curMatch = *ptr1; - len1 = len; - } - else - { - *ptr0 = curMatch; - ptr0 = pair; - curMatch = *ptr0; - len0 = len; - } - } - } -} - -#define MOVE_POS \ - ++p->cyclicBufferPos; \ - p->buffer++; \ - if (++p->pos == p->posLimit) MatchFinder_CheckLimits(p); - -#define MOVE_POS_RET MOVE_POS return offset; - -static void MatchFinder_MovePos(CMatchFinder *p) { MOVE_POS; } - -#define GET_MATCHES_HEADER2(minLen, ret_op) \ - UInt32 lenLimit; UInt32 hashValue; const Byte *cur; UInt32 curMatch; \ - lenLimit = p->lenLimit; { if (lenLimit < minLen) { MatchFinder_MovePos(p); ret_op; }} \ - cur = p->buffer; - -#define GET_MATCHES_HEADER(minLen) GET_MATCHES_HEADER2(minLen, return 0) -#define SKIP_HEADER(minLen) GET_MATCHES_HEADER2(minLen, continue) - -#define MF_PARAMS(p) p->pos, p->buffer, p->son, p->cyclicBufferPos, p->cyclicBufferSize, p->cutValue - -#define GET_MATCHES_FOOTER(offset, maxLen) \ - offset = (UInt32)(GetMatchesSpec1(lenLimit, curMatch, MF_PARAMS(p), \ - distances + offset, maxLen) - distances); MOVE_POS_RET; - -#define SKIP_FOOTER \ - SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); MOVE_POS; - -static UInt32 Bt2_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 offset; - GET_MATCHES_HEADER(2) - HASH2_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - offset = 0; - GET_MATCHES_FOOTER(offset, 1) -} - -UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 offset; - GET_MATCHES_HEADER(3) - HASH_ZIP_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - offset = 0; - GET_MATCHES_FOOTER(offset, 2) -} - -static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 hash2Value, delta2, maxLen, offset; - GET_MATCHES_HEADER(3) - - HASH3_CALC; - - delta2 = p->pos - p->hash[hash2Value]; - curMatch = p->hash[kFix3HashSize + hashValue]; - - p->hash[hash2Value] = - p->hash[kFix3HashSize + hashValue] = p->pos; - - - maxLen = 2; - offset = 0; - if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) - { - for (; maxLen != lenLimit; maxLen++) - if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) - break; - distances[0] = maxLen; - distances[1] = delta2 - 1; - offset = 2; - if (maxLen == lenLimit) - { - SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); - MOVE_POS_RET; - } - } - GET_MATCHES_FOOTER(offset, maxLen) -} - -static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset; - GET_MATCHES_HEADER(4) - - HASH4_CALC; - - delta2 = p->pos - p->hash[ hash2Value]; - delta3 = p->pos - p->hash[kFix3HashSize + hash3Value]; - curMatch = p->hash[kFix4HashSize + hashValue]; - - p->hash[ hash2Value] = - p->hash[kFix3HashSize + hash3Value] = - p->hash[kFix4HashSize + hashValue] = p->pos; - - maxLen = 1; - offset = 0; - if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) - { - distances[0] = maxLen = 2; - distances[1] = delta2 - 1; - offset = 2; - } - if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur) - { - maxLen = 3; - distances[offset + 1] = delta3 - 1; - offset += 2; - delta2 = delta3; - } - if (offset != 0) - { - for (; maxLen != lenLimit; maxLen++) - if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) - break; - distances[offset - 2] = maxLen; - if (maxLen == lenLimit) - { - SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); - MOVE_POS_RET; - } - } - if (maxLen < 3) - maxLen = 3; - GET_MATCHES_FOOTER(offset, maxLen) -} - -static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset; - GET_MATCHES_HEADER(4) - - HASH4_CALC; - - delta2 = p->pos - p->hash[ hash2Value]; - delta3 = p->pos - p->hash[kFix3HashSize + hash3Value]; - curMatch = p->hash[kFix4HashSize + hashValue]; - - p->hash[ hash2Value] = - p->hash[kFix3HashSize + hash3Value] = - p->hash[kFix4HashSize + hashValue] = p->pos; - - maxLen = 1; - offset = 0; - if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) - { - distances[0] = maxLen = 2; - distances[1] = delta2 - 1; - offset = 2; - } - if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur) - { - maxLen = 3; - distances[offset + 1] = delta3 - 1; - offset += 2; - delta2 = delta3; - } - if (offset != 0) - { - for (; maxLen != lenLimit; maxLen++) - if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) - break; - distances[offset - 2] = maxLen; - if (maxLen == lenLimit) - { - p->son[p->cyclicBufferPos] = curMatch; - MOVE_POS_RET; - } - } - if (maxLen < 3) - maxLen = 3; - offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p), - distances + offset, maxLen) - (distances)); - MOVE_POS_RET -} - -UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 offset; - GET_MATCHES_HEADER(3) - HASH_ZIP_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p), - distances, 2) - (distances)); - MOVE_POS_RET -} - -static void Bt2_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - SKIP_HEADER(2) - HASH2_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - SKIP_FOOTER - } - while (--num != 0); -} - -void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - SKIP_HEADER(3) - HASH_ZIP_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - SKIP_FOOTER - } - while (--num != 0); -} - -static void Bt3_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - UInt32 hash2Value; - SKIP_HEADER(3) - HASH3_CALC; - curMatch = p->hash[kFix3HashSize + hashValue]; - p->hash[hash2Value] = - p->hash[kFix3HashSize + hashValue] = p->pos; - SKIP_FOOTER - } - while (--num != 0); -} - -static void Bt4_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - UInt32 hash2Value, hash3Value; - SKIP_HEADER(4) - HASH4_CALC; - curMatch = p->hash[kFix4HashSize + hashValue]; - p->hash[ hash2Value] = - p->hash[kFix3HashSize + hash3Value] = p->pos; - p->hash[kFix4HashSize + hashValue] = p->pos; - SKIP_FOOTER - } - while (--num != 0); -} - -static void Hc4_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - UInt32 hash2Value, hash3Value; - SKIP_HEADER(4) - HASH4_CALC; - curMatch = p->hash[kFix4HashSize + hashValue]; - p->hash[ hash2Value] = - p->hash[kFix3HashSize + hash3Value] = - p->hash[kFix4HashSize + hashValue] = p->pos; - p->son[p->cyclicBufferPos] = curMatch; - MOVE_POS - } - while (--num != 0); -} - -void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - SKIP_HEADER(3) - HASH_ZIP_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - p->son[p->cyclicBufferPos] = curMatch; - MOVE_POS - } - while (--num != 0); -} - -void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable) -{ - vTable->Init = (Mf_Init_Func)MatchFinder_Init; - vTable->GetIndexByte = (Mf_GetIndexByte_Func)MatchFinder_GetIndexByte; - vTable->GetNumAvailableBytes = (Mf_GetNumAvailableBytes_Func)MatchFinder_GetNumAvailableBytes; - vTable->GetPointerToCurrentPos = (Mf_GetPointerToCurrentPos_Func)MatchFinder_GetPointerToCurrentPos; - if (!p->btMode) - { - vTable->GetMatches = (Mf_GetMatches_Func)Hc4_MatchFinder_GetMatches; - vTable->Skip = (Mf_Skip_Func)Hc4_MatchFinder_Skip; - } - else if (p->numHashBytes == 2) - { - vTable->GetMatches = (Mf_GetMatches_Func)Bt2_MatchFinder_GetMatches; - vTable->Skip = (Mf_Skip_Func)Bt2_MatchFinder_Skip; - } - else if (p->numHashBytes == 3) - { - vTable->GetMatches = (Mf_GetMatches_Func)Bt3_MatchFinder_GetMatches; - vTable->Skip = (Mf_Skip_Func)Bt3_MatchFinder_Skip; - } - else - { - vTable->GetMatches = (Mf_GetMatches_Func)Bt4_MatchFinder_GetMatches; - vTable->Skip = (Mf_Skip_Func)Bt4_MatchFinder_Skip; - } -} diff --git a/third_party/lzma_sdk/LzFind.h b/third_party/lzma_sdk/LzFind.h deleted file mode 100644 index 010c4b92ba33..000000000000 --- a/third_party/lzma_sdk/LzFind.h +++ /dev/null @@ -1,115 +0,0 @@ -/* LzFind.h -- Match finder for LZ algorithms -2009-04-22 : Igor Pavlov : Public domain */ - -#ifndef __LZ_FIND_H -#define __LZ_FIND_H - -#include "Types.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef UInt32 CLzRef; - -typedef struct _CMatchFinder -{ - Byte *buffer; - UInt32 pos; - UInt32 posLimit; - UInt32 streamPos; - UInt32 lenLimit; - - UInt32 cyclicBufferPos; - UInt32 cyclicBufferSize; /* it must be = (historySize + 1) */ - - UInt32 matchMaxLen; - CLzRef *hash; - CLzRef *son; - UInt32 hashMask; - UInt32 cutValue; - - Byte *bufferBase; - ISeqInStream *stream; - int streamEndWasReached; - - UInt32 blockSize; - UInt32 keepSizeBefore; - UInt32 keepSizeAfter; - - UInt32 numHashBytes; - int directInput; - size_t directInputRem; - int btMode; - int bigHash; - UInt32 historySize; - UInt32 fixedHashSize; - UInt32 hashSizeSum; - UInt32 numSons; - SRes result; - UInt32 crc[256]; -} CMatchFinder; - -#define Inline_MatchFinder_GetPointerToCurrentPos(p) ((p)->buffer) -#define Inline_MatchFinder_GetIndexByte(p, index) ((p)->buffer[(Int32)(index)]) - -#define Inline_MatchFinder_GetNumAvailableBytes(p) ((p)->streamPos - (p)->pos) - -int MatchFinder_NeedMove(CMatchFinder *p); -Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p); -void MatchFinder_MoveBlock(CMatchFinder *p); -void MatchFinder_ReadIfRequired(CMatchFinder *p); - -void MatchFinder_Construct(CMatchFinder *p); - -/* Conditions: - historySize <= 3 GB - keepAddBufferBefore + matchMaxLen + keepAddBufferAfter < 511MB -*/ -int MatchFinder_Create(CMatchFinder *p, UInt32 historySize, - UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter, - ISzAlloc *alloc); -void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc); -void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems); -void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue); - -UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *buffer, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue, - UInt32 *distances, UInt32 maxLen); - -/* -Conditions: - Mf_GetNumAvailableBytes_Func must be called before each Mf_GetMatchLen_Func. - Mf_GetPointerToCurrentPos_Func's result must be used only before any other function -*/ - -typedef void (*Mf_Init_Func)(void *object); -typedef Byte (*Mf_GetIndexByte_Func)(void *object, Int32 index); -typedef UInt32 (*Mf_GetNumAvailableBytes_Func)(void *object); -typedef const Byte * (*Mf_GetPointerToCurrentPos_Func)(void *object); -typedef UInt32 (*Mf_GetMatches_Func)(void *object, UInt32 *distances); -typedef void (*Mf_Skip_Func)(void *object, UInt32); - -typedef struct _IMatchFinder -{ - Mf_Init_Func Init; - Mf_GetIndexByte_Func GetIndexByte; - Mf_GetNumAvailableBytes_Func GetNumAvailableBytes; - Mf_GetPointerToCurrentPos_Func GetPointerToCurrentPos; - Mf_GetMatches_Func GetMatches; - Mf_Skip_Func Skip; -} IMatchFinder; - -void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable); - -void MatchFinder_Init(CMatchFinder *p); -UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); -UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); -void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); -void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/third_party/lzma_sdk/LzHash.h b/third_party/lzma_sdk/LzHash.h deleted file mode 100644 index f3e89966cc70..000000000000 --- a/third_party/lzma_sdk/LzHash.h +++ /dev/null @@ -1,54 +0,0 @@ -/* LzHash.h -- HASH functions for LZ algorithms -2009-02-07 : Igor Pavlov : Public domain */ - -#ifndef __LZ_HASH_H -#define __LZ_HASH_H - -#define kHash2Size (1 << 10) -#define kHash3Size (1 << 16) -#define kHash4Size (1 << 20) - -#define kFix3HashSize (kHash2Size) -#define kFix4HashSize (kHash2Size + kHash3Size) -#define kFix5HashSize (kHash2Size + kHash3Size + kHash4Size) - -#define HASH2_CALC hashValue = cur[0] | ((UInt32)cur[1] << 8); - -#define HASH3_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hashValue = (temp ^ ((UInt32)cur[2] << 8)) & p->hashMask; } - -#define HASH4_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ - hashValue = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & p->hashMask; } - -#define HASH5_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ - hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)); \ - hashValue = (hash4Value ^ (p->crc[cur[4]] << 3)) & p->hashMask; \ - hash4Value &= (kHash4Size - 1); } - -/* #define HASH_ZIP_CALC hashValue = ((cur[0] | ((UInt32)cur[1] << 8)) ^ p->crc[cur[2]]) & 0xFFFF; */ -#define HASH_ZIP_CALC hashValue = ((cur[2] | ((UInt32)cur[0] << 8)) ^ p->crc[cur[1]]) & 0xFFFF; - - -#define MT_HASH2_CALC \ - hash2Value = (p->crc[cur[0]] ^ cur[1]) & (kHash2Size - 1); - -#define MT_HASH3_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); } - -#define MT_HASH4_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ - hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & (kHash4Size - 1); } - -#endif diff --git a/third_party/lzma_sdk/Lzma2Dec.c b/third_party/lzma_sdk/Lzma2Dec.c deleted file mode 100644 index 7ea1cc953570..000000000000 --- a/third_party/lzma_sdk/Lzma2Dec.c +++ /dev/null @@ -1,356 +0,0 @@ -/* Lzma2Dec.c -- LZMA2 Decoder -2009-05-03 : Igor Pavlov : Public domain */ - -/* #define SHOW_DEBUG_INFO */ - -#ifdef SHOW_DEBUG_INFO -#include -#endif - -#include - -#include "Lzma2Dec.h" - -/* -00000000 - EOS -00000001 U U - Uncompressed Reset Dic -00000010 U U - Uncompressed No Reset -100uuuuu U U P P - LZMA no reset -101uuuuu U U P P - LZMA reset state -110uuuuu U U P P S - LZMA reset state + new prop -111uuuuu U U P P S - LZMA reset state + new prop + reset dic - - u, U - Unpack Size - P - Pack Size - S - Props -*/ - -#define LZMA2_CONTROL_LZMA (1 << 7) -#define LZMA2_CONTROL_COPY_NO_RESET 2 -#define LZMA2_CONTROL_COPY_RESET_DIC 1 -#define LZMA2_CONTROL_EOF 0 - -#define LZMA2_IS_UNCOMPRESSED_STATE(p) (((p)->control & LZMA2_CONTROL_LZMA) == 0) - -#define LZMA2_GET_LZMA_MODE(p) (((p)->control >> 5) & 3) -#define LZMA2_IS_THERE_PROP(mode) ((mode) >= 2) - -#define LZMA2_LCLP_MAX 4 -#define LZMA2_DIC_SIZE_FROM_PROP(p) (((UInt32)2 | ((p) & 1)) << ((p) / 2 + 11)) - -#ifdef SHOW_DEBUG_INFO -#define PRF(x) x -#else -#define PRF(x) -#endif - -typedef enum -{ - LZMA2_STATE_CONTROL, - LZMA2_STATE_UNPACK0, - LZMA2_STATE_UNPACK1, - LZMA2_STATE_PACK0, - LZMA2_STATE_PACK1, - LZMA2_STATE_PROP, - LZMA2_STATE_DATA, - LZMA2_STATE_DATA_CONT, - LZMA2_STATE_FINISHED, - LZMA2_STATE_ERROR -} ELzma2State; - -static SRes Lzma2Dec_GetOldProps(Byte prop, Byte *props) -{ - UInt32 dicSize; - if (prop > 40) - return SZ_ERROR_UNSUPPORTED; - dicSize = (prop == 40) ? 0xFFFFFFFF : LZMA2_DIC_SIZE_FROM_PROP(prop); - props[0] = (Byte)LZMA2_LCLP_MAX; - props[1] = (Byte)(dicSize); - props[2] = (Byte)(dicSize >> 8); - props[3] = (Byte)(dicSize >> 16); - props[4] = (Byte)(dicSize >> 24); - return SZ_OK; -} - -SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *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) -{ - Byte props[LZMA_PROPS_SIZE]; - RINOK(Lzma2Dec_GetOldProps(prop, props)); - return LzmaDec_Allocate(&p->decoder, props, LZMA_PROPS_SIZE, alloc); -} - -void Lzma2Dec_Init(CLzma2Dec *p) -{ - p->state = LZMA2_STATE_CONTROL; - p->needInitDic = True; - p->needInitState = True; - p->needInitProp = True; - LzmaDec_Init(&p->decoder); -} - -static ELzma2State Lzma2Dec_UpdateState(CLzma2Dec *p, Byte b) -{ - switch(p->state) - { - case LZMA2_STATE_CONTROL: - p->control = b; - PRF(printf("\n %4X ", p->decoder.dicPos)); - PRF(printf(" %2X", b)); - if (p->control == 0) - return LZMA2_STATE_FINISHED; - if (LZMA2_IS_UNCOMPRESSED_STATE(p)) - { - if ((p->control & 0x7F) > 2) - return LZMA2_STATE_ERROR; - p->unpackSize = 0; - } - else - p->unpackSize = (UInt32)(p->control & 0x1F) << 16; - return LZMA2_STATE_UNPACK0; - - case LZMA2_STATE_UNPACK0: - p->unpackSize |= (UInt32)b << 8; - return LZMA2_STATE_UNPACK1; - - case LZMA2_STATE_UNPACK1: - p->unpackSize |= (UInt32)b; - p->unpackSize++; - PRF(printf(" %8d", p->unpackSize)); - return (LZMA2_IS_UNCOMPRESSED_STATE(p)) ? LZMA2_STATE_DATA : LZMA2_STATE_PACK0; - - case LZMA2_STATE_PACK0: - p->packSize = (UInt32)b << 8; - return LZMA2_STATE_PACK1; - - case LZMA2_STATE_PACK1: - p->packSize |= (UInt32)b; - p->packSize++; - PRF(printf(" %8d", p->packSize)); - return LZMA2_IS_THERE_PROP(LZMA2_GET_LZMA_MODE(p)) ? LZMA2_STATE_PROP: - (p->needInitProp ? LZMA2_STATE_ERROR : LZMA2_STATE_DATA); - - case LZMA2_STATE_PROP: - { - int lc, lp; - if (b >= (9 * 5 * 5)) - return LZMA2_STATE_ERROR; - lc = b % 9; - b /= 9; - p->decoder.prop.pb = b / 5; - lp = b % 5; - if (lc + lp > LZMA2_LCLP_MAX) - return LZMA2_STATE_ERROR; - p->decoder.prop.lc = lc; - p->decoder.prop.lp = lp; - p->needInitProp = False; - return LZMA2_STATE_DATA; - } - } - return LZMA2_STATE_ERROR; -} - -static void LzmaDec_UpdateWithUncompressed(CLzmaDec *p, const Byte *src, SizeT size) -{ - memcpy(p->dic + p->dicPos, src, size); - p->dicPos += size; - if (p->checkDicSize == 0 && p->prop.dicSize - p->processedPos <= size) - p->checkDicSize = p->prop.dicSize; - p->processedPos += (UInt32)size; -} - -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) -{ - SizeT inSize = *srcLen; - *srcLen = 0; - *status = LZMA_STATUS_NOT_SPECIFIED; - - while (p->state != LZMA2_STATE_FINISHED) - { - SizeT dicPos = p->decoder.dicPos; - if (p->state == LZMA2_STATE_ERROR) - return SZ_ERROR_DATA; - if (dicPos == dicLimit && finishMode == LZMA_FINISH_ANY) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_OK; - } - if (p->state != LZMA2_STATE_DATA && p->state != LZMA2_STATE_DATA_CONT) - { - if (*srcLen == inSize) - { - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - (*srcLen)++; - p->state = Lzma2Dec_UpdateState(p, *src++); - continue; - } - { - SizeT destSizeCur = dicLimit - dicPos; - SizeT srcSizeCur = inSize - *srcLen; - ELzmaFinishMode curFinishMode = LZMA_FINISH_ANY; - - if (p->unpackSize <= destSizeCur) - { - destSizeCur = (SizeT)p->unpackSize; - curFinishMode = LZMA_FINISH_END; - } - - if (LZMA2_IS_UNCOMPRESSED_STATE(p)) - { - if (*srcLen == inSize) - { - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - - if (p->state == LZMA2_STATE_DATA) - { - Bool initDic = (p->control == LZMA2_CONTROL_COPY_RESET_DIC); - if (initDic) - p->needInitProp = p->needInitState = True; - else if (p->needInitDic) - return SZ_ERROR_DATA; - p->needInitDic = False; - LzmaDec_InitDicAndState(&p->decoder, initDic, False); - } - - if (srcSizeCur > destSizeCur) - srcSizeCur = destSizeCur; - - if (srcSizeCur == 0) - return SZ_ERROR_DATA; - - LzmaDec_UpdateWithUncompressed(&p->decoder, src, srcSizeCur); - - src += srcSizeCur; - *srcLen += srcSizeCur; - p->unpackSize -= (UInt32)srcSizeCur; - p->state = (p->unpackSize == 0) ? LZMA2_STATE_CONTROL : LZMA2_STATE_DATA_CONT; - } - else - { - SizeT outSizeProcessed; - SRes res; - - if (p->state == LZMA2_STATE_DATA) - { - int mode = LZMA2_GET_LZMA_MODE(p); - Bool initDic = (mode == 3); - Bool initState = (mode > 0); - if ((!initDic && p->needInitDic) || (!initState && p->needInitState)) - return SZ_ERROR_DATA; - - LzmaDec_InitDicAndState(&p->decoder, initDic, initState); - p->needInitDic = False; - p->needInitState = False; - p->state = LZMA2_STATE_DATA_CONT; - } - if (srcSizeCur > p->packSize) - srcSizeCur = (SizeT)p->packSize; - - res = LzmaDec_DecodeToDic(&p->decoder, dicPos + destSizeCur, src, &srcSizeCur, curFinishMode, status); - - src += srcSizeCur; - *srcLen += srcSizeCur; - p->packSize -= (UInt32)srcSizeCur; - - outSizeProcessed = p->decoder.dicPos - dicPos; - p->unpackSize -= (UInt32)outSizeProcessed; - - RINOK(res); - if (*status == LZMA_STATUS_NEEDS_MORE_INPUT) - return res; - - if (srcSizeCur == 0 && outSizeProcessed == 0) - { - if (*status != LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK || - p->unpackSize != 0 || p->packSize != 0) - return SZ_ERROR_DATA; - p->state = LZMA2_STATE_CONTROL; - } - if (*status == LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK) - *status = LZMA_STATUS_NOT_FINISHED; - } - } - } - *status = LZMA_STATUS_FINISHED_WITH_MARK; - return SZ_OK; -} - -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; - 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) - { - outSizeCur = p->decoder.dicBufSize; - curFinishMode = LZMA_FINISH_ANY; - } - else - { - outSizeCur = dicPos + 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; - if (res != 0) - return res; - if (outSizeCur == 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) -{ - CLzma2Dec decoder; - SRes res; - SizeT outSize = *destLen, inSize = *srcLen; - Byte props[LZMA_PROPS_SIZE]; - - Lzma2Dec_Construct(&decoder); - - *destLen = *srcLen = 0; - *status = LZMA_STATUS_NOT_SPECIFIED; - decoder.decoder.dic = dest; - decoder.decoder.dicBufSize = outSize; - - RINOK(Lzma2Dec_GetOldProps(prop, props)); - RINOK(LzmaDec_AllocateProbs(&decoder.decoder, props, LZMA_PROPS_SIZE, alloc)); - - *srcLen = inSize; - res = Lzma2Dec_DecodeToDic(&decoder, outSize, src, srcLen, finishMode, status); - *destLen = decoder.decoder.dicPos; - if (res == SZ_OK && *status == LZMA_STATUS_NEEDS_MORE_INPUT) - res = SZ_ERROR_INPUT_EOF; - - LzmaDec_FreeProbs(&decoder.decoder, alloc); - return res; -} diff --git a/third_party/lzma_sdk/Lzma2Dec.h b/third_party/lzma_sdk/Lzma2Dec.h deleted file mode 100644 index 6bc07bbc185e..000000000000 --- a/third_party/lzma_sdk/Lzma2Dec.h +++ /dev/null @@ -1,84 +0,0 @@ -/* Lzma2Dec.h -- LZMA2 Decoder -2009-05-03 : Igor Pavlov : Public domain */ - -#ifndef __LZMA2_DEC_H -#define __LZMA2_DEC_H - -#include "LzmaDec.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* ---------- State Interface ---------- */ - -typedef struct -{ - CLzmaDec decoder; - UInt32 packSize; - UInt32 unpackSize; - int state; - Byte control; - Bool needInitDic; - Bool needInitState; - Bool needInitProp; -} CLzma2Dec; - -#define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder) -#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); -void Lzma2Dec_Init(CLzma2Dec *p); - - -/* -finishMode: - It has meaning only if the decoding reaches output limit (*destLen or dicLimit). - LZMA_FINISH_ANY - use smallest number of input bytes - LZMA_FINISH_END - read EndOfStream marker after decoding - -Returns: - SZ_OK - status: - LZMA_STATUS_FINISHED_WITH_MARK - LZMA_STATUS_NOT_FINISHED - LZMA_STATUS_NEEDS_MORE_INPUT - SZ_ERROR_DATA - Data error -*/ - -SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); - -SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); - - -/* ---------- One Call Interface ---------- */ - -/* -finishMode: - It has meaning only if the decoding reaches output limit (*destLen). - LZMA_FINISH_ANY - use smallest number of input bytes - LZMA_FINISH_END - read EndOfStream marker after decoding - -Returns: - SZ_OK - status: - LZMA_STATUS_FINISHED_WITH_MARK - LZMA_STATUS_NOT_FINISHED - SZ_ERROR_DATA - Data error - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_UNSUPPORTED - Unsupported properties - SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). -*/ - -SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/third_party/lzma_sdk/LzmaDec.c b/third_party/lzma_sdk/LzmaDec.c deleted file mode 100644 index 2036761bf146..000000000000 --- a/third_party/lzma_sdk/LzmaDec.c +++ /dev/null @@ -1,999 +0,0 @@ -/* LzmaDec.c -- LZMA Decoder -2009-09-20 : Igor Pavlov : Public domain */ - -#include "LzmaDec.h" - -#include - -#define kNumTopBits 24 -#define kTopValue ((UInt32)1 << kNumTopBits) - -#define kNumBitModelTotalBits 11 -#define kBitModelTotal (1 << kNumBitModelTotalBits) -#define kNumMoveBits 5 - -#define RC_INIT_SIZE 5 - -#define NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | (*buf++); } - -#define IF_BIT_0(p) ttt = *(p); NORMALIZE; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound) -#define UPDATE_0(p) range = bound; *(p) = (CLzmaProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits)); -#define UPDATE_1(p) range -= bound; code -= bound; *(p) = (CLzmaProb)(ttt - (ttt >> kNumMoveBits)); -#define GET_BIT2(p, i, A0, A1) IF_BIT_0(p) \ - { UPDATE_0(p); i = (i + i); A0; } else \ - { UPDATE_1(p); i = (i + i) + 1; A1; } -#define GET_BIT(p, i) GET_BIT2(p, i, ; , ;) - -#define TREE_GET_BIT(probs, i) { GET_BIT((probs + i), i); } -#define TREE_DECODE(probs, limit, i) \ - { i = 1; do { TREE_GET_BIT(probs, i); } while (i < limit); i -= limit; } - -/* #define _LZMA_SIZE_OPT */ - -#ifdef _LZMA_SIZE_OPT -#define TREE_6_DECODE(probs, i) TREE_DECODE(probs, (1 << 6), i) -#else -#define TREE_6_DECODE(probs, i) \ - { i = 1; \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - i -= 0x40; } -#endif - -#define NORMALIZE_CHECK if (range < kTopValue) { if (buf >= bufLimit) return DUMMY_ERROR; range <<= 8; code = (code << 8) | (*buf++); } - -#define IF_BIT_0_CHECK(p) ttt = *(p); NORMALIZE_CHECK; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound) -#define UPDATE_0_CHECK range = bound; -#define UPDATE_1_CHECK range -= bound; code -= bound; -#define GET_BIT2_CHECK(p, i, A0, A1) IF_BIT_0_CHECK(p) \ - { UPDATE_0_CHECK; i = (i + i); A0; } else \ - { UPDATE_1_CHECK; i = (i + i) + 1; A1; } -#define GET_BIT_CHECK(p, i) GET_BIT2_CHECK(p, i, ; , ;) -#define TREE_DECODE_CHECK(probs, limit, i) \ - { i = 1; do { GET_BIT_CHECK(probs + i, i) } while (i < limit); i -= limit; } - - -#define kNumPosBitsMax 4 -#define kNumPosStatesMax (1 << kNumPosBitsMax) - -#define kLenNumLowBits 3 -#define kLenNumLowSymbols (1 << kLenNumLowBits) -#define kLenNumMidBits 3 -#define kLenNumMidSymbols (1 << kLenNumMidBits) -#define kLenNumHighBits 8 -#define kLenNumHighSymbols (1 << kLenNumHighBits) - -#define LenChoice 0 -#define LenChoice2 (LenChoice + 1) -#define LenLow (LenChoice2 + 1) -#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits)) -#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits)) -#define kNumLenProbs (LenHigh + kLenNumHighSymbols) - - -#define kNumStates 12 -#define kNumLitStates 7 - -#define kStartPosModelIndex 4 -#define kEndPosModelIndex 14 -#define kNumFullDistances (1 << (kEndPosModelIndex >> 1)) - -#define kNumPosSlotBits 6 -#define kNumLenToPosStates 4 - -#define kNumAlignBits 4 -#define kAlignTableSize (1 << kNumAlignBits) - -#define kMatchMinLen 2 -#define kMatchSpecLenStart (kMatchMinLen + kLenNumLowSymbols + kLenNumMidSymbols + kLenNumHighSymbols) - -#define IsMatch 0 -#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax)) -#define IsRepG0 (IsRep + kNumStates) -#define IsRepG1 (IsRepG0 + kNumStates) -#define IsRepG2 (IsRepG1 + kNumStates) -#define IsRep0Long (IsRepG2 + kNumStates) -#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax)) -#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits)) -#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex) -#define LenCoder (Align + kAlignTableSize) -#define RepLenCoder (LenCoder + kNumLenProbs) -#define Literal (RepLenCoder + kNumLenProbs) - -#define LZMA_BASE_SIZE 1846 -#define LZMA_LIT_SIZE 768 - -#define LzmaProps_GetNumProbs(p) ((UInt32)LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((p)->lc + (p)->lp))) - -#if Literal != LZMA_BASE_SIZE -StopCompilingDueBUG -#endif - -#define LZMA_DIC_MIN (1 << 12) - -/* First LZMA-symbol is always decoded. -And it decodes new LZMA-symbols while (buf < bufLimit), but "buf" is without last normalization -Out: - Result: - SZ_OK - OK - SZ_ERROR_DATA - Error - p->remainLen: - < kMatchSpecLenStart : normal remain - = kMatchSpecLenStart : finished - = kMatchSpecLenStart + 1 : Flush marker - = kMatchSpecLenStart + 2 : State Init Marker -*/ - -static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte *bufLimit) -{ - CLzmaProb *probs = p->probs; - - unsigned state = p->state; - UInt32 rep0 = p->reps[0], rep1 = p->reps[1], rep2 = p->reps[2], rep3 = p->reps[3]; - unsigned pbMask = ((unsigned)1 << (p->prop.pb)) - 1; - unsigned lpMask = ((unsigned)1 << (p->prop.lp)) - 1; - unsigned lc = p->prop.lc; - - Byte *dic = p->dic; - SizeT dicBufSize = p->dicBufSize; - SizeT dicPos = p->dicPos; - - UInt32 processedPos = p->processedPos; - UInt32 checkDicSize = p->checkDicSize; - unsigned len = 0; - - const Byte *buf = p->buf; - UInt32 range = p->range; - UInt32 code = p->code; - - do - { - CLzmaProb *prob; - UInt32 bound; - unsigned ttt; - unsigned posState = processedPos & pbMask; - - prob = probs + IsMatch + (state << kNumPosBitsMax) + posState; - IF_BIT_0(prob) - { - unsigned symbol; - UPDATE_0(prob); - prob = probs + Literal; - if (checkDicSize != 0 || processedPos != 0) - prob += (LZMA_LIT_SIZE * (((processedPos & lpMask) << lc) + - (dic[(dicPos == 0 ? dicBufSize : dicPos) - 1] >> (8 - lc)))); - - if (state < kNumLitStates) - { - state -= (state < 4) ? state : 3; - symbol = 1; - do { GET_BIT(prob + symbol, symbol) } while (symbol < 0x100); - } - else - { - unsigned matchByte = p->dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; - unsigned offs = 0x100; - state -= (state < 10) ? 3 : 6; - symbol = 1; - do - { - unsigned bit; - CLzmaProb *probLit; - matchByte <<= 1; - bit = (matchByte & offs); - probLit = prob + offs + bit + symbol; - GET_BIT2(probLit, symbol, offs &= ~bit, offs &= bit) - } - while (symbol < 0x100); - } - dic[dicPos++] = (Byte)symbol; - processedPos++; - continue; - } - else - { - UPDATE_1(prob); - prob = probs + IsRep + state; - IF_BIT_0(prob) - { - UPDATE_0(prob); - state += kNumStates; - prob = probs + LenCoder; - } - else - { - UPDATE_1(prob); - if (checkDicSize == 0 && processedPos == 0) - return SZ_ERROR_DATA; - prob = probs + IsRepG0 + state; - IF_BIT_0(prob) - { - UPDATE_0(prob); - prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState; - IF_BIT_0(prob) - { - UPDATE_0(prob); - dic[dicPos] = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; - dicPos++; - processedPos++; - state = state < kNumLitStates ? 9 : 11; - continue; - } - UPDATE_1(prob); - } - else - { - UInt32 distance; - UPDATE_1(prob); - prob = probs + IsRepG1 + state; - IF_BIT_0(prob) - { - UPDATE_0(prob); - distance = rep1; - } - else - { - UPDATE_1(prob); - prob = probs + IsRepG2 + state; - IF_BIT_0(prob) - { - UPDATE_0(prob); - distance = rep2; - } - else - { - UPDATE_1(prob); - distance = rep3; - rep3 = rep2; - } - rep2 = rep1; - } - rep1 = rep0; - rep0 = distance; - } - state = state < kNumLitStates ? 8 : 11; - prob = probs + RepLenCoder; - } - { - unsigned limit, offset; - CLzmaProb *probLen = prob + LenChoice; - IF_BIT_0(probLen) - { - UPDATE_0(probLen); - probLen = prob + LenLow + (posState << kLenNumLowBits); - offset = 0; - limit = (1 << kLenNumLowBits); - } - else - { - UPDATE_1(probLen); - probLen = prob + LenChoice2; - IF_BIT_0(probLen) - { - UPDATE_0(probLen); - probLen = prob + LenMid + (posState << kLenNumMidBits); - offset = kLenNumLowSymbols; - limit = (1 << kLenNumMidBits); - } - else - { - UPDATE_1(probLen); - probLen = prob + LenHigh; - offset = kLenNumLowSymbols + kLenNumMidSymbols; - limit = (1 << kLenNumHighBits); - } - } - TREE_DECODE(probLen, limit, len); - len += offset; - } - - if (state >= kNumStates) - { - UInt32 distance; - prob = probs + PosSlot + - ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << kNumPosSlotBits); - TREE_6_DECODE(prob, distance); - if (distance >= kStartPosModelIndex) - { - unsigned posSlot = (unsigned)distance; - int numDirectBits = (int)(((distance >> 1) - 1)); - distance = (2 | (distance & 1)); - if (posSlot < kEndPosModelIndex) - { - distance <<= numDirectBits; - prob = probs + SpecPos + distance - posSlot - 1; - { - UInt32 mask = 1; - unsigned i = 1; - do - { - GET_BIT2(prob + i, i, ; , distance |= mask); - mask <<= 1; - } - while (--numDirectBits != 0); - } - } - else - { - numDirectBits -= kNumAlignBits; - do - { - NORMALIZE - range >>= 1; - - { - UInt32 t; - code -= range; - t = (0 - ((UInt32)code >> 31)); /* (UInt32)((Int32)code >> 31) */ - distance = (distance << 1) + (t + 1); - code += range & t; - } - /* - distance <<= 1; - if (code >= range) - { - code -= range; - distance |= 1; - } - */ - } - while (--numDirectBits != 0); - prob = probs + Align; - distance <<= kNumAlignBits; - { - unsigned i = 1; - GET_BIT2(prob + i, i, ; , distance |= 1); - GET_BIT2(prob + i, i, ; , distance |= 2); - GET_BIT2(prob + i, i, ; , distance |= 4); - GET_BIT2(prob + i, i, ; , distance |= 8); - } - if (distance == (UInt32)0xFFFFFFFF) - { - len += kMatchSpecLenStart; - state -= kNumStates; - break; - } - } - } - rep3 = rep2; - rep2 = rep1; - rep1 = rep0; - rep0 = distance + 1; - if (checkDicSize == 0) - { - if (distance >= processedPos) - return SZ_ERROR_DATA; - } - else if (distance >= checkDicSize) - return SZ_ERROR_DATA; - state = (state < kNumStates + kNumLitStates) ? kNumLitStates : kNumLitStates + 3; - } - - len += kMatchMinLen; - - if (limit == dicPos) - return SZ_ERROR_DATA; - { - SizeT rem = limit - dicPos; - unsigned curLen = ((rem < len) ? (unsigned)rem : len); - SizeT pos = (dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0); - - processedPos += curLen; - - len -= curLen; - if (pos + curLen <= dicBufSize) - { - Byte *dest = dic + dicPos; - ptrdiff_t src = (ptrdiff_t)pos - (ptrdiff_t)dicPos; - const Byte *lim = dest + curLen; - dicPos += curLen; - do - *(dest) = (Byte)*(dest + src); - while (++dest != lim); - } - else - { - do - { - dic[dicPos++] = dic[pos]; - if (++pos == dicBufSize) - pos = 0; - } - while (--curLen != 0); - } - } - } - } - while (dicPos < limit && buf < bufLimit); - NORMALIZE; - p->buf = buf; - p->range = range; - p->code = code; - p->remainLen = len; - p->dicPos = dicPos; - p->processedPos = processedPos; - p->reps[0] = rep0; - p->reps[1] = rep1; - p->reps[2] = rep2; - p->reps[3] = rep3; - p->state = state; - - return SZ_OK; -} - -static void MY_FAST_CALL LzmaDec_WriteRem(CLzmaDec *p, SizeT limit) -{ - if (p->remainLen != 0 && p->remainLen < kMatchSpecLenStart) - { - Byte *dic = p->dic; - SizeT dicPos = p->dicPos; - SizeT dicBufSize = p->dicBufSize; - unsigned len = p->remainLen; - UInt32 rep0 = p->reps[0]; - if (limit - dicPos < len) - len = (unsigned)(limit - dicPos); - - if (p->checkDicSize == 0 && p->prop.dicSize - p->processedPos <= len) - p->checkDicSize = p->prop.dicSize; - - p->processedPos += len; - p->remainLen -= len; - while (len-- != 0) - { - dic[dicPos] = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; - dicPos++; - } - p->dicPos = dicPos; - } -} - -static int MY_FAST_CALL LzmaDec_DecodeReal2(CLzmaDec *p, SizeT limit, const Byte *bufLimit) -{ - do - { - SizeT limit2 = limit; - if (p->checkDicSize == 0) - { - UInt32 rem = p->prop.dicSize - p->processedPos; - if (limit - p->dicPos > rem) - limit2 = p->dicPos + rem; - } - RINOK(LzmaDec_DecodeReal(p, limit2, bufLimit)); - if (p->processedPos >= p->prop.dicSize) - p->checkDicSize = p->prop.dicSize; - LzmaDec_WriteRem(p, limit); - } - while (p->dicPos < limit && p->buf < bufLimit && p->remainLen < kMatchSpecLenStart); - - if (p->remainLen > kMatchSpecLenStart) - { - p->remainLen = kMatchSpecLenStart; - } - return 0; -} - -typedef enum -{ - DUMMY_ERROR, /* unexpected end of input stream */ - DUMMY_LIT, - DUMMY_MATCH, - DUMMY_REP -} ELzmaDummy; - -static ELzmaDummy LzmaDec_TryDummy(const CLzmaDec *p, const Byte *buf, SizeT inSize) -{ - UInt32 range = p->range; - UInt32 code = p->code; - const Byte *bufLimit = buf + inSize; - CLzmaProb *probs = p->probs; - unsigned state = p->state; - ELzmaDummy res; - - { - CLzmaProb *prob; - UInt32 bound; - unsigned ttt; - unsigned posState = (p->processedPos) & ((1 << p->prop.pb) - 1); - - prob = probs + IsMatch + (state << kNumPosBitsMax) + posState; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK - - /* if (bufLimit - buf >= 7) return DUMMY_LIT; */ - - prob = probs + Literal; - if (p->checkDicSize != 0 || p->processedPos != 0) - prob += (LZMA_LIT_SIZE * - ((((p->processedPos) & ((1 << (p->prop.lp)) - 1)) << p->prop.lc) + - (p->dic[(p->dicPos == 0 ? p->dicBufSize : p->dicPos) - 1] >> (8 - p->prop.lc)))); - - if (state < kNumLitStates) - { - unsigned symbol = 1; - do { GET_BIT_CHECK(prob + symbol, symbol) } while (symbol < 0x100); - } - else - { - unsigned matchByte = p->dic[p->dicPos - p->reps[0] + - ((p->dicPos < p->reps[0]) ? p->dicBufSize : 0)]; - unsigned offs = 0x100; - unsigned symbol = 1; - do - { - unsigned bit; - CLzmaProb *probLit; - matchByte <<= 1; - bit = (matchByte & offs); - probLit = prob + offs + bit + symbol; - GET_BIT2_CHECK(probLit, symbol, offs &= ~bit, offs &= bit) - } - while (symbol < 0x100); - } - res = DUMMY_LIT; - } - else - { - unsigned len; - UPDATE_1_CHECK; - - prob = probs + IsRep + state; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - state = 0; - prob = probs + LenCoder; - res = DUMMY_MATCH; - } - else - { - UPDATE_1_CHECK; - res = DUMMY_REP; - prob = probs + IsRepG0 + state; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - NORMALIZE_CHECK; - return DUMMY_REP; - } - else - { - UPDATE_1_CHECK; - } - } - else - { - UPDATE_1_CHECK; - prob = probs + IsRepG1 + state; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - } - else - { - UPDATE_1_CHECK; - prob = probs + IsRepG2 + state; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - } - else - { - UPDATE_1_CHECK; - } - } - } - state = kNumStates; - prob = probs + RepLenCoder; - } - { - unsigned limit, offset; - CLzmaProb *probLen = prob + LenChoice; - IF_BIT_0_CHECK(probLen) - { - UPDATE_0_CHECK; - probLen = prob + LenLow + (posState << kLenNumLowBits); - offset = 0; - limit = 1 << kLenNumLowBits; - } - else - { - UPDATE_1_CHECK; - probLen = prob + LenChoice2; - IF_BIT_0_CHECK(probLen) - { - UPDATE_0_CHECK; - probLen = prob + LenMid + (posState << kLenNumMidBits); - offset = kLenNumLowSymbols; - limit = 1 << kLenNumMidBits; - } - else - { - UPDATE_1_CHECK; - probLen = prob + LenHigh; - offset = kLenNumLowSymbols + kLenNumMidSymbols; - limit = 1 << kLenNumHighBits; - } - } - TREE_DECODE_CHECK(probLen, limit, len); - len += offset; - } - - if (state < 4) - { - unsigned posSlot; - prob = probs + PosSlot + - ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << - kNumPosSlotBits); - TREE_DECODE_CHECK(prob, 1 << kNumPosSlotBits, posSlot); - if (posSlot >= kStartPosModelIndex) - { - int numDirectBits = ((posSlot >> 1) - 1); - - /* if (bufLimit - buf >= 8) return DUMMY_MATCH; */ - - if (posSlot < kEndPosModelIndex) - { - prob = probs + SpecPos + ((2 | (posSlot & 1)) << numDirectBits) - posSlot - 1; - } - else - { - numDirectBits -= kNumAlignBits; - do - { - NORMALIZE_CHECK - range >>= 1; - code -= range & (((code - range) >> 31) - 1); - /* if (code >= range) code -= range; */ - } - while (--numDirectBits != 0); - prob = probs + Align; - numDirectBits = kNumAlignBits; - } - { - unsigned i = 1; - do - { - GET_BIT_CHECK(prob + i, i); - } - while (--numDirectBits != 0); - } - } - } - } - } - NORMALIZE_CHECK; - return res; -} - - -static void LzmaDec_InitRc(CLzmaDec *p, const Byte *data) -{ - p->code = ((UInt32)data[1] << 24) | ((UInt32)data[2] << 16) | ((UInt32)data[3] << 8) | ((UInt32)data[4]); - p->range = 0xFFFFFFFF; - p->needFlush = 0; -} - -void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState) -{ - p->needFlush = 1; - p->remainLen = 0; - p->tempBufSize = 0; - - if (initDic) - { - p->processedPos = 0; - p->checkDicSize = 0; - p->needInitState = 1; - } - if (initState) - p->needInitState = 1; -} - -void LzmaDec_Init(CLzmaDec *p) -{ - p->dicPos = 0; - LzmaDec_InitDicAndState(p, True, True); -} - -static void LzmaDec_InitStateReal(CLzmaDec *p) -{ - UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (p->prop.lc + p->prop.lp)); - UInt32 i; - CLzmaProb *probs = p->probs; - for (i = 0; i < numProbs; i++) - probs[i] = kBitModelTotal >> 1; - p->reps[0] = p->reps[1] = p->reps[2] = p->reps[3] = 1; - p->state = 0; - p->needInitState = 0; -} - -SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen, - ELzmaFinishMode finishMode, ELzmaStatus *status) -{ - SizeT inSize = *srcLen; - (*srcLen) = 0; - LzmaDec_WriteRem(p, dicLimit); - - *status = LZMA_STATUS_NOT_SPECIFIED; - - while (p->remainLen != kMatchSpecLenStart) - { - int checkEndMarkNow; - - if (p->needFlush != 0) - { - for (; inSize > 0 && p->tempBufSize < RC_INIT_SIZE; (*srcLen)++, inSize--) - p->tempBuf[p->tempBufSize++] = *src++; - if (p->tempBufSize < RC_INIT_SIZE) - { - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - if (p->tempBuf[0] != 0) - return SZ_ERROR_DATA; - - LzmaDec_InitRc(p, p->tempBuf); - p->tempBufSize = 0; - } - - checkEndMarkNow = 0; - if (p->dicPos >= dicLimit) - { - if (p->remainLen == 0 && p->code == 0) - { - *status = LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK; - return SZ_OK; - } - if (finishMode == LZMA_FINISH_ANY) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_OK; - } - if (p->remainLen != 0) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_ERROR_DATA; - } - checkEndMarkNow = 1; - } - - if (p->needInitState) - LzmaDec_InitStateReal(p); - - if (p->tempBufSize == 0) - { - SizeT processed; - const Byte *bufLimit; - if (inSize < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow) - { - int dummyRes = LzmaDec_TryDummy(p, src, inSize); - if (dummyRes == DUMMY_ERROR) - { - memcpy(p->tempBuf, src, inSize); - p->tempBufSize = (unsigned)inSize; - (*srcLen) += inSize; - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - if (checkEndMarkNow && dummyRes != DUMMY_MATCH) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_ERROR_DATA; - } - bufLimit = src; - } - else - bufLimit = src + inSize - LZMA_REQUIRED_INPUT_MAX; - p->buf = src; - if (LzmaDec_DecodeReal2(p, dicLimit, bufLimit) != 0) - return SZ_ERROR_DATA; - processed = (SizeT)(p->buf - src); - (*srcLen) += processed; - src += processed; - inSize -= processed; - } - else - { - unsigned rem = p->tempBufSize, lookAhead = 0; - while (rem < LZMA_REQUIRED_INPUT_MAX && lookAhead < inSize) - p->tempBuf[rem++] = src[lookAhead++]; - p->tempBufSize = rem; - if (rem < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow) - { - int dummyRes = LzmaDec_TryDummy(p, p->tempBuf, rem); - if (dummyRes == DUMMY_ERROR) - { - (*srcLen) += lookAhead; - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - if (checkEndMarkNow && dummyRes != DUMMY_MATCH) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_ERROR_DATA; - } - } - p->buf = p->tempBuf; - if (LzmaDec_DecodeReal2(p, dicLimit, p->buf) != 0) - return SZ_ERROR_DATA; - lookAhead -= (rem - (unsigned)(p->buf - p->tempBuf)); - (*srcLen) += lookAhead; - src += lookAhead; - inSize -= lookAhead; - p->tempBufSize = 0; - } - } - if (p->code == 0) - *status = LZMA_STATUS_FINISHED_WITH_MARK; - return (p->code == 0) ? SZ_OK : SZ_ERROR_DATA; -} - -SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status) -{ - SizeT outSize = *destLen; - SizeT inSize = *srcLen; - *srcLen = *destLen = 0; - for (;;) - { - SizeT inSizeCur = inSize, outSizeCur, dicPos; - ELzmaFinishMode curFinishMode; - SRes res; - if (p->dicPos == p->dicBufSize) - p->dicPos = 0; - dicPos = p->dicPos; - if (outSize > p->dicBufSize - dicPos) - { - outSizeCur = p->dicBufSize; - curFinishMode = LZMA_FINISH_ANY; - } - else - { - outSizeCur = dicPos + outSize; - curFinishMode = finishMode; - } - - res = LzmaDec_DecodeToDic(p, outSizeCur, src, &inSizeCur, curFinishMode, status); - src += inSizeCur; - inSize -= inSizeCur; - *srcLen += inSizeCur; - outSizeCur = p->dicPos - dicPos; - memcpy(dest, p->dic + dicPos, outSizeCur); - dest += outSizeCur; - outSize -= outSizeCur; - *destLen += outSizeCur; - if (res != 0) - return res; - if (outSizeCur == 0 || outSize == 0) - return SZ_OK; - } -} - -void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->probs); - p->probs = 0; -} - -static void LzmaDec_FreeDict(CLzmaDec *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->dic); - p->dic = 0; -} - -void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc) -{ - LzmaDec_FreeProbs(p, alloc); - LzmaDec_FreeDict(p, alloc); -} - -SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size) -{ - UInt32 dicSize; - Byte d; - - if (size < LZMA_PROPS_SIZE) - return SZ_ERROR_UNSUPPORTED; - else - dicSize = data[1] | ((UInt32)data[2] << 8) | ((UInt32)data[3] << 16) | ((UInt32)data[4] << 24); - - if (dicSize < LZMA_DIC_MIN) - dicSize = LZMA_DIC_MIN; - p->dicSize = dicSize; - - d = data[0]; - if (d >= (9 * 5 * 5)) - return SZ_ERROR_UNSUPPORTED; - - p->lc = d % 9; - d /= 9; - p->pb = d / 5; - p->lp = d % 5; - - return SZ_OK; -} - -static SRes LzmaDec_AllocateProbs2(CLzmaDec *p, const CLzmaProps *propNew, ISzAlloc *alloc) -{ - UInt32 numProbs = LzmaProps_GetNumProbs(propNew); - if (p->probs == 0 || numProbs != p->numProbs) - { - LzmaDec_FreeProbs(p, alloc); - p->probs = (CLzmaProb *)alloc->Alloc(alloc, numProbs * sizeof(CLzmaProb)); - p->numProbs = numProbs; - if (p->probs == 0) - return SZ_ERROR_MEM; - } - return SZ_OK; -} - -SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) -{ - CLzmaProps propNew; - RINOK(LzmaProps_Decode(&propNew, props, propsSize)); - RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc)); - p->prop = propNew; - return SZ_OK; -} - -SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) -{ - CLzmaProps propNew; - SizeT dicBufSize; - RINOK(LzmaProps_Decode(&propNew, props, propsSize)); - RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc)); - dicBufSize = propNew.dicSize; - if (p->dic == 0 || dicBufSize != p->dicBufSize) - { - LzmaDec_FreeDict(p, alloc); - p->dic = (Byte *)alloc->Alloc(alloc, dicBufSize); - if (p->dic == 0) - { - LzmaDec_FreeProbs(p, alloc); - return SZ_ERROR_MEM; - } - } - p->dicBufSize = dicBufSize; - p->prop = propNew; - return SZ_OK; -} - -SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, - ELzmaStatus *status, ISzAlloc *alloc) -{ - CLzmaDec p; - SRes res; - SizeT inSize = *srcLen; - SizeT outSize = *destLen; - *srcLen = *destLen = 0; - if (inSize < RC_INIT_SIZE) - return SZ_ERROR_INPUT_EOF; - - LzmaDec_Construct(&p); - res = LzmaDec_AllocateProbs(&p, propData, propSize, alloc); - if (res != 0) - return res; - p.dic = dest; - p.dicBufSize = outSize; - - LzmaDec_Init(&p); - - *srcLen = inSize; - res = LzmaDec_DecodeToDic(&p, outSize, src, srcLen, finishMode, status); - - if (res == SZ_OK && *status == LZMA_STATUS_NEEDS_MORE_INPUT) - res = SZ_ERROR_INPUT_EOF; - - (*destLen) = p.dicPos; - LzmaDec_FreeProbs(&p, alloc); - return res; -} diff --git a/third_party/lzma_sdk/LzmaDec.h b/third_party/lzma_sdk/LzmaDec.h deleted file mode 100644 index bf7f084ba3dd..000000000000 --- a/third_party/lzma_sdk/LzmaDec.h +++ /dev/null @@ -1,231 +0,0 @@ -/* LzmaDec.h -- LZMA Decoder -2009-02-07 : Igor Pavlov : Public domain */ - -#ifndef __LZMA_DEC_H -#define __LZMA_DEC_H - -#include "Types.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* #define _LZMA_PROB32 */ -/* _LZMA_PROB32 can increase the speed on some CPUs, - but memory usage for CLzmaDec::probs will be doubled in that case */ - -#ifdef _LZMA_PROB32 -#define CLzmaProb UInt32 -#else -#define CLzmaProb UInt16 -#endif - - -/* ---------- LZMA Properties ---------- */ - -#define LZMA_PROPS_SIZE 5 - -typedef struct _CLzmaProps -{ - unsigned lc, lp, pb; - UInt32 dicSize; -} CLzmaProps; - -/* LzmaProps_Decode - decodes properties -Returns: - SZ_OK - SZ_ERROR_UNSUPPORTED - Unsupported properties -*/ - -SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size); - - -/* ---------- LZMA Decoder state ---------- */ - -/* LZMA_REQUIRED_INPUT_MAX = number of required input bytes for worst case. - Num bits = log2((2^11 / 31) ^ 22) + 26 < 134 + 26 = 160; */ - -#define LZMA_REQUIRED_INPUT_MAX 20 - -typedef struct -{ - CLzmaProps prop; - CLzmaProb *probs; - Byte *dic; - const Byte *buf; - UInt32 range, code; - SizeT dicPos; - SizeT dicBufSize; - UInt32 processedPos; - UInt32 checkDicSize; - unsigned state; - UInt32 reps[4]; - unsigned remainLen; - int needFlush; - int needInitState; - UInt32 numProbs; - unsigned tempBufSize; - Byte tempBuf[LZMA_REQUIRED_INPUT_MAX]; -} CLzmaDec; - -#define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; } - -void LzmaDec_Init(CLzmaDec *p); - -/* There are two types of LZMA streams: - 0) Stream with end mark. That end mark adds about 6 bytes to compressed size. - 1) Stream without end mark. You must know exact uncompressed size to decompress such stream. */ - -typedef enum -{ - LZMA_FINISH_ANY, /* finish at any point */ - LZMA_FINISH_END /* block must be finished at the end */ -} ELzmaFinishMode; - -/* ELzmaFinishMode has meaning only if the decoding reaches output limit !!! - - You must use LZMA_FINISH_END, when you know that current output buffer - covers last bytes of block. In other cases you must use LZMA_FINISH_ANY. - - If LZMA decoder sees end marker before reaching output limit, it returns SZ_OK, - and output value of destLen will be less than output buffer size limit. - You can check status result also. - - You can use multiple checks to test data integrity after full decompression: - 1) Check Result and "status" variable. - 2) Check that output(destLen) = uncompressedSize, if you know real uncompressedSize. - 3) Check that output(srcLen) = compressedSize, if you know real compressedSize. - You must use correct finish mode in that case. */ - -typedef enum -{ - LZMA_STATUS_NOT_SPECIFIED, /* use main error code instead */ - LZMA_STATUS_FINISHED_WITH_MARK, /* stream was finished with end mark. */ - LZMA_STATUS_NOT_FINISHED, /* stream was not finished */ - LZMA_STATUS_NEEDS_MORE_INPUT, /* you must provide more input bytes */ - LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK /* there is probability that stream was finished without end mark */ -} ELzmaStatus; - -/* ELzmaStatus is used only as output value for function call */ - - -/* ---------- Interfaces ---------- */ - -/* There are 3 levels of interfaces: - 1) Dictionary Interface - 2) Buffer Interface - 3) One Call Interface - You can select any of these interfaces, but don't mix functions from different - groups for same object. */ - - -/* There are two variants to allocate state for Dictionary Interface: - 1) LzmaDec_Allocate / LzmaDec_Free - 2) LzmaDec_AllocateProbs / LzmaDec_FreeProbs - You can use variant 2, if you set dictionary buffer manually. - For Buffer Interface you must always use variant 1. - -LzmaDec_Allocate* can return: - SZ_OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_UNSUPPORTED - Unsupported properties -*/ - -SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc); -void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc); - -SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc); -void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc); - -/* ---------- Dictionary Interface ---------- */ - -/* You can use it, if you want to eliminate the overhead for data copying from - dictionary to some other external buffer. - You must work with CLzmaDec variables directly in this interface. - - STEPS: - LzmaDec_Constr() - LzmaDec_Allocate() - for (each new stream) - { - LzmaDec_Init() - while (it needs more decompression) - { - LzmaDec_DecodeToDic() - use data from CLzmaDec::dic and update CLzmaDec::dicPos - } - } - LzmaDec_Free() -*/ - -/* LzmaDec_DecodeToDic - - The decoding to internal dictionary buffer (CLzmaDec::dic). - You must manually update CLzmaDec::dicPos, if it reaches CLzmaDec::dicBufSize !!! - -finishMode: - It has meaning only if the decoding reaches output limit (dicLimit). - LZMA_FINISH_ANY - Decode just dicLimit bytes. - LZMA_FINISH_END - Stream must be finished after dicLimit. - -Returns: - SZ_OK - status: - LZMA_STATUS_FINISHED_WITH_MARK - LZMA_STATUS_NOT_FINISHED - LZMA_STATUS_NEEDS_MORE_INPUT - LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK - SZ_ERROR_DATA - Data error -*/ - -SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); - - -/* ---------- Buffer Interface ---------- */ - -/* It's zlib-like interface. - See LzmaDec_DecodeToDic description for information about STEPS and return results, - but you must use LzmaDec_DecodeToBuf instead of LzmaDec_DecodeToDic and you don't need - to work with CLzmaDec variables manually. - -finishMode: - It has meaning only if the decoding reaches output limit (*destLen). - LZMA_FINISH_ANY - Decode just destLen bytes. - LZMA_FINISH_END - Stream must be finished after (*destLen). -*/ - -SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); - - -/* ---------- One Call Interface ---------- */ - -/* LzmaDecode - -finishMode: - It has meaning only if the decoding reaches output limit (*destLen). - LZMA_FINISH_ANY - Decode just destLen bytes. - LZMA_FINISH_END - Stream must be finished after (*destLen). - -Returns: - SZ_OK - status: - LZMA_STATUS_FINISHED_WITH_MARK - LZMA_STATUS_NOT_FINISHED - LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK - SZ_ERROR_DATA - Data error - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_UNSUPPORTED - Unsupported properties - SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). -*/ - -SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, - ELzmaStatus *status, ISzAlloc *alloc); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/third_party/lzma_sdk/LzmaEnc.c b/third_party/lzma_sdk/LzmaEnc.c deleted file mode 100644 index cf131388a448..000000000000 --- a/third_party/lzma_sdk/LzmaEnc.c +++ /dev/null @@ -1,2268 +0,0 @@ -/* LzmaEnc.c -- LZMA Encoder -2010-04-16 : Igor Pavlov : Public domain */ - -#include - -/* #define SHOW_STAT */ -/* #define SHOW_STAT2 */ - -#if defined(SHOW_STAT) || defined(SHOW_STAT2) -#include -#endif - -#include "LzmaEnc.h" - -#include "LzFind.h" -#ifndef _7ZIP_ST -#include "LzFindMt.h" -#endif - -#ifdef SHOW_STAT -static int ttt = 0; -#endif - -#define kBlockSizeMax ((1 << LZMA_NUM_BLOCK_SIZE_BITS) - 1) - -#define kBlockSize (9 << 10) -#define kUnpackBlockSize (1 << 18) -#define kMatchArraySize (1 << 21) -#define kMatchRecordMaxSize ((LZMA_MATCH_LEN_MAX * 2 + 3) * LZMA_MATCH_LEN_MAX) - -#define kNumMaxDirectBits (31) - -#define kNumTopBits 24 -#define kTopValue ((UInt32)1 << kNumTopBits) - -#define kNumBitModelTotalBits 11 -#define kBitModelTotal (1 << kNumBitModelTotalBits) -#define kNumMoveBits 5 -#define kProbInitValue (kBitModelTotal >> 1) - -#define kNumMoveReducingBits 4 -#define kNumBitPriceShiftBits 4 -#define kBitPrice (1 << kNumBitPriceShiftBits) - -void LzmaEncProps_Init(CLzmaEncProps *p) -{ - p->level = 5; - p->dictSize = p->mc = 0; - p->lc = p->lp = p->pb = p->algo = p->fb = p->btMode = p->numHashBytes = p->numThreads = -1; - p->writeEndMark = 0; -} - -void LzmaEncProps_Normalize(CLzmaEncProps *p) -{ - int level = p->level; - 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->lc < 0) p->lc = 3; - if (p->lp < 0) p->lp = 0; - if (p->pb < 0) p->pb = 2; - if (p->algo < 0) p->algo = (level < 5 ? 0 : 1); - if (p->fb < 0) p->fb = (level < 7 ? 32 : 64); - if (p->btMode < 0) p->btMode = (p->algo == 0 ? 0 : 1); - if (p->numHashBytes < 0) p->numHashBytes = 4; - if (p->mc == 0) p->mc = (16 + (p->fb >> 1)) >> (p->btMode ? 0 : 1); - if (p->numThreads < 0) - p->numThreads = - #ifndef _7ZIP_ST - ((p->btMode && p->algo) ? 2 : 1); - #else - 1; - #endif -} - -UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2) -{ - CLzmaEncProps props = *props2; - LzmaEncProps_Normalize(&props); - return props.dictSize; -} - -/* #define LZMA_LOG_BSR */ -/* Define it for Intel's CPU */ - - -#ifdef LZMA_LOG_BSR - -#define kDicLogSizeMaxCompress 30 - -#define BSR2_RET(pos, res) { unsigned long i; _BitScanReverse(&i, (pos)); res = (i + i) + ((pos >> (i - 1)) & 1); } - -UInt32 GetPosSlot1(UInt32 pos) -{ - UInt32 res; - BSR2_RET(pos, res); - return res; -} -#define GetPosSlot2(pos, res) { BSR2_RET(pos, res); } -#define GetPosSlot(pos, res) { if (pos < 2) res = pos; else BSR2_RET(pos, res); } - -#else - -#define kNumLogBits (9 + (int)sizeof(size_t) / 2) -#define kDicLogSizeMaxCompress ((kNumLogBits - 1) * 2 + 7) - -void LzmaEnc_FastPosInit(Byte *g_FastPos) -{ - int c = 2, slotFast; - g_FastPos[0] = 0; - g_FastPos[1] = 1; - - for (slotFast = 2; slotFast < kNumLogBits * 2; slotFast++) - { - UInt32 k = (1 << ((slotFast >> 1) - 1)); - UInt32 j; - for (j = 0; j < k; j++, c++) - g_FastPos[c] = (Byte)slotFast; - } -} - -#define BSR2_RET(pos, res) { UInt32 i = 6 + ((kNumLogBits - 1) & \ - (0 - (((((UInt32)1 << (kNumLogBits + 6)) - 1) - pos) >> 31))); \ - res = p->g_FastPos[pos >> i] + (i * 2); } -/* -#define BSR2_RET(pos, res) { res = (pos < (1 << (kNumLogBits + 6))) ? \ - p->g_FastPos[pos >> 6] + 12 : \ - p->g_FastPos[pos >> (6 + kNumLogBits - 1)] + (6 + (kNumLogBits - 1)) * 2; } -*/ - -#define GetPosSlot1(pos) p->g_FastPos[pos] -#define GetPosSlot2(pos, res) { BSR2_RET(pos, res); } -#define GetPosSlot(pos, res) { if (pos < kNumFullDistances) res = p->g_FastPos[pos]; else BSR2_RET(pos, res); } - -#endif - - -#define LZMA_NUM_REPS 4 - -typedef unsigned CState; - -typedef struct -{ - UInt32 price; - - CState state; - int prev1IsChar; - int prev2; - - UInt32 posPrev2; - UInt32 backPrev2; - - UInt32 posPrev; - UInt32 backPrev; - UInt32 backs[LZMA_NUM_REPS]; -} COptimal; - -#define kNumOpts (1 << 12) - -#define kNumLenToPosStates 4 -#define kNumPosSlotBits 6 -#define kDicLogSizeMin 0 -#define kDicLogSizeMax 32 -#define kDistTableSizeMax (kDicLogSizeMax * 2) - - -#define kNumAlignBits 4 -#define kAlignTableSize (1 << kNumAlignBits) -#define kAlignMask (kAlignTableSize - 1) - -#define kStartPosModelIndex 4 -#define kEndPosModelIndex 14 -#define kNumPosModels (kEndPosModelIndex - kStartPosModelIndex) - -#define kNumFullDistances (1 << (kEndPosModelIndex >> 1)) - -#ifdef _LZMA_PROB32 -#define CLzmaProb UInt32 -#else -#define CLzmaProb UInt16 -#endif - -#define LZMA_PB_MAX 4 -#define LZMA_LC_MAX 8 -#define LZMA_LP_MAX 4 - -#define LZMA_NUM_PB_STATES_MAX (1 << LZMA_PB_MAX) - - -#define kLenNumLowBits 3 -#define kLenNumLowSymbols (1 << kLenNumLowBits) -#define kLenNumMidBits 3 -#define kLenNumMidSymbols (1 << kLenNumMidBits) -#define kLenNumHighBits 8 -#define kLenNumHighSymbols (1 << kLenNumHighBits) - -#define kLenNumSymbolsTotal (kLenNumLowSymbols + kLenNumMidSymbols + kLenNumHighSymbols) - -#define LZMA_MATCH_LEN_MIN 2 -#define LZMA_MATCH_LEN_MAX (LZMA_MATCH_LEN_MIN + kLenNumSymbolsTotal - 1) - -#define kNumStates 12 - -typedef struct -{ - CLzmaProb choice; - CLzmaProb choice2; - CLzmaProb low[LZMA_NUM_PB_STATES_MAX << kLenNumLowBits]; - CLzmaProb mid[LZMA_NUM_PB_STATES_MAX << kLenNumMidBits]; - CLzmaProb high[kLenNumHighSymbols]; -} CLenEnc; - -typedef struct -{ - CLenEnc p; - UInt32 prices[LZMA_NUM_PB_STATES_MAX][kLenNumSymbolsTotal]; - UInt32 tableSize; - UInt32 counters[LZMA_NUM_PB_STATES_MAX]; -} CLenPriceEnc; - -typedef struct -{ - UInt32 range; - Byte cache; - UInt64 low; - UInt64 cacheSize; - Byte *buf; - Byte *bufLim; - Byte *bufBase; - ISeqOutStream *outStream; - UInt64 processed; - SRes res; -} CRangeEnc; - -typedef struct -{ - CLzmaProb *litProbs; - - CLzmaProb isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX]; - CLzmaProb isRep[kNumStates]; - CLzmaProb isRepG0[kNumStates]; - CLzmaProb isRepG1[kNumStates]; - CLzmaProb isRepG2[kNumStates]; - CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX]; - - CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits]; - CLzmaProb posEncoders[kNumFullDistances - kEndPosModelIndex]; - CLzmaProb posAlignEncoder[1 << kNumAlignBits]; - - CLenPriceEnc lenEnc; - CLenPriceEnc repLenEnc; - - UInt32 reps[LZMA_NUM_REPS]; - UInt32 state; -} CSaveState; - -typedef struct -{ - IMatchFinder matchFinder; - void *matchFinderObj; - - #ifndef _7ZIP_ST - Bool mtMode; - CMatchFinderMt matchFinderMt; - #endif - - CMatchFinder matchFinderBase; - - #ifndef _7ZIP_ST - Byte pad[128]; - #endif - - UInt32 optimumEndIndex; - UInt32 optimumCurrentIndex; - - UInt32 longestMatchLength; - UInt32 numPairs; - UInt32 numAvail; - COptimal opt[kNumOpts]; - - #ifndef LZMA_LOG_BSR - Byte g_FastPos[1 << kNumLogBits]; - #endif - - UInt32 ProbPrices[kBitModelTotal >> kNumMoveReducingBits]; - UInt32 matches[LZMA_MATCH_LEN_MAX * 2 + 2 + 1]; - UInt32 numFastBytes; - UInt32 additionalOffset; - UInt32 reps[LZMA_NUM_REPS]; - UInt32 state; - - UInt32 posSlotPrices[kNumLenToPosStates][kDistTableSizeMax]; - UInt32 distancesPrices[kNumLenToPosStates][kNumFullDistances]; - UInt32 alignPrices[kAlignTableSize]; - UInt32 alignPriceCount; - - UInt32 distTableSize; - - unsigned lc, lp, pb; - unsigned lpMask, pbMask; - - CLzmaProb *litProbs; - - CLzmaProb isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX]; - CLzmaProb isRep[kNumStates]; - CLzmaProb isRepG0[kNumStates]; - CLzmaProb isRepG1[kNumStates]; - CLzmaProb isRepG2[kNumStates]; - CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX]; - - CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits]; - CLzmaProb posEncoders[kNumFullDistances - kEndPosModelIndex]; - CLzmaProb posAlignEncoder[1 << kNumAlignBits]; - - CLenPriceEnc lenEnc; - CLenPriceEnc repLenEnc; - - unsigned lclp; - - Bool fastMode; - - CRangeEnc rc; - - Bool writeEndMark; - UInt64 nowPos64; - UInt32 matchPriceCount; - Bool finished; - Bool multiThread; - - SRes result; - UInt32 dictSize; - UInt32 matchFinderCycles; - - int needInit; - - CSaveState saveState; -} CLzmaEnc; - -void LzmaEnc_SaveState(CLzmaEncHandle pp) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - CSaveState *dest = &p->saveState; - int i; - dest->lenEnc = p->lenEnc; - dest->repLenEnc = p->repLenEnc; - dest->state = p->state; - - for (i = 0; i < kNumStates; i++) - { - memcpy(dest->isMatch[i], p->isMatch[i], sizeof(p->isMatch[i])); - memcpy(dest->isRep0Long[i], p->isRep0Long[i], sizeof(p->isRep0Long[i])); - } - for (i = 0; i < kNumLenToPosStates; i++) - memcpy(dest->posSlotEncoder[i], p->posSlotEncoder[i], sizeof(p->posSlotEncoder[i])); - memcpy(dest->isRep, p->isRep, sizeof(p->isRep)); - memcpy(dest->isRepG0, p->isRepG0, sizeof(p->isRepG0)); - memcpy(dest->isRepG1, p->isRepG1, sizeof(p->isRepG1)); - memcpy(dest->isRepG2, p->isRepG2, sizeof(p->isRepG2)); - memcpy(dest->posEncoders, p->posEncoders, sizeof(p->posEncoders)); - memcpy(dest->posAlignEncoder, p->posAlignEncoder, sizeof(p->posAlignEncoder)); - memcpy(dest->reps, p->reps, sizeof(p->reps)); - memcpy(dest->litProbs, p->litProbs, (0x300 << p->lclp) * sizeof(CLzmaProb)); -} - -void LzmaEnc_RestoreState(CLzmaEncHandle pp) -{ - CLzmaEnc *dest = (CLzmaEnc *)pp; - const CSaveState *p = &dest->saveState; - int i; - dest->lenEnc = p->lenEnc; - dest->repLenEnc = p->repLenEnc; - dest->state = p->state; - - for (i = 0; i < kNumStates; i++) - { - memcpy(dest->isMatch[i], p->isMatch[i], sizeof(p->isMatch[i])); - memcpy(dest->isRep0Long[i], p->isRep0Long[i], sizeof(p->isRep0Long[i])); - } - for (i = 0; i < kNumLenToPosStates; i++) - memcpy(dest->posSlotEncoder[i], p->posSlotEncoder[i], sizeof(p->posSlotEncoder[i])); - memcpy(dest->isRep, p->isRep, sizeof(p->isRep)); - memcpy(dest->isRepG0, p->isRepG0, sizeof(p->isRepG0)); - memcpy(dest->isRepG1, p->isRepG1, sizeof(p->isRepG1)); - memcpy(dest->isRepG2, p->isRepG2, sizeof(p->isRepG2)); - memcpy(dest->posEncoders, p->posEncoders, sizeof(p->posEncoders)); - memcpy(dest->posAlignEncoder, p->posAlignEncoder, sizeof(p->posAlignEncoder)); - memcpy(dest->reps, p->reps, sizeof(p->reps)); - memcpy(dest->litProbs, p->litProbs, (0x300 << dest->lclp) * sizeof(CLzmaProb)); -} - -SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEncProps *props2) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - CLzmaEncProps props = *props2; - LzmaEncProps_Normalize(&props); - - if (props.lc > LZMA_LC_MAX || props.lp > LZMA_LP_MAX || props.pb > LZMA_PB_MAX || - props.dictSize > ((UInt32)1 << kDicLogSizeMaxCompress) || props.dictSize > ((UInt32)1 << 30)) - return SZ_ERROR_PARAM; - p->dictSize = props.dictSize; - p->matchFinderCycles = props.mc; - { - unsigned fb = props.fb; - if (fb < 5) - fb = 5; - if (fb > LZMA_MATCH_LEN_MAX) - fb = LZMA_MATCH_LEN_MAX; - p->numFastBytes = fb; - } - p->lc = props.lc; - p->lp = props.lp; - p->pb = props.pb; - p->fastMode = (props.algo == 0); - p->matchFinderBase.btMode = props.btMode; - { - UInt32 numHashBytes = 4; - if (props.btMode) - { - if (props.numHashBytes < 2) - numHashBytes = 2; - else if (props.numHashBytes < 4) - numHashBytes = props.numHashBytes; - } - p->matchFinderBase.numHashBytes = numHashBytes; - } - - p->matchFinderBase.cutValue = props.mc; - - p->writeEndMark = props.writeEndMark; - - #ifndef _7ZIP_ST - /* - if (newMultiThread != _multiThread) - { - ReleaseMatchFinder(); - _multiThread = newMultiThread; - } - */ - p->multiThread = (props.numThreads > 1); - #endif - - return SZ_OK; -} - -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}; -static const int kShortRepNextStates[kNumStates]= {9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11}; - -#define IsCharState(s) ((s) < 7) - -#define GetLenToPosState(len) (((len) < kNumLenToPosStates + 1) ? (len) - 2 : kNumLenToPosStates - 1) - -#define kInfinityPrice (1 << 30) - -static void RangeEnc_Construct(CRangeEnc *p) -{ - p->outStream = 0; - p->bufBase = 0; -} - -#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) -{ - if (p->bufBase == 0) - { - p->bufBase = (Byte *)alloc->Alloc(alloc, RC_BUF_SIZE); - if (p->bufBase == 0) - return 0; - p->bufLim = p->bufBase + RC_BUF_SIZE; - } - return 1; -} - -static void RangeEnc_Free(CRangeEnc *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->bufBase); - p->bufBase = 0; -} - -static void RangeEnc_Init(CRangeEnc *p) -{ - /* Stream.Init(); */ - p->low = 0; - p->range = 0xFFFFFFFF; - p->cacheSize = 1; - p->cache = 0; - - p->buf = p->bufBase; - - p->processed = 0; - p->res = SZ_OK; -} - -static void RangeEnc_FlushStream(CRangeEnc *p) -{ - size_t num; - if (p->res != SZ_OK) - return; - num = p->buf - p->bufBase; - if (num != p->outStream->Write(p->outStream, p->bufBase, num)) - p->res = SZ_ERROR_WRITE; - p->processed += num; - p->buf = p->bufBase; -} - -static void MY_FAST_CALL RangeEnc_ShiftLow(CRangeEnc *p) -{ - if ((UInt32)p->low < (UInt32)0xFF000000 || (int)(p->low >> 32) != 0) - { - Byte temp = p->cache; - do - { - Byte *buf = p->buf; - *buf++ = (Byte)(temp + (Byte)(p->low >> 32)); - p->buf = buf; - if (buf == p->bufLim) - RangeEnc_FlushStream(p); - temp = 0xFF; - } - while (--p->cacheSize != 0); - p->cache = (Byte)((UInt32)p->low >> 24); - } - p->cacheSize++; - p->low = (UInt32)p->low << 8; -} - -static void RangeEnc_FlushData(CRangeEnc *p) -{ - int i; - for (i = 0; i < 5; i++) - RangeEnc_ShiftLow(p); -} - -static void RangeEnc_EncodeDirectBits(CRangeEnc *p, UInt32 value, int numBits) -{ - do - { - p->range >>= 1; - p->low += p->range & (0 - ((value >> --numBits) & 1)); - if (p->range < kTopValue) - { - p->range <<= 8; - RangeEnc_ShiftLow(p); - } - } - while (numBits != 0); -} - -static void RangeEnc_EncodeBit(CRangeEnc *p, CLzmaProb *prob, UInt32 symbol) -{ - UInt32 ttt = *prob; - UInt32 newBound = (p->range >> kNumBitModelTotalBits) * ttt; - if (symbol == 0) - { - p->range = newBound; - ttt += (kBitModelTotal - ttt) >> kNumMoveBits; - } - else - { - p->low += newBound; - p->range -= newBound; - ttt -= ttt >> kNumMoveBits; - } - *prob = (CLzmaProb)ttt; - if (p->range < kTopValue) - { - p->range <<= 8; - RangeEnc_ShiftLow(p); - } -} - -static void LitEnc_Encode(CRangeEnc *p, CLzmaProb *probs, UInt32 symbol) -{ - symbol |= 0x100; - do - { - RangeEnc_EncodeBit(p, probs + (symbol >> 8), (symbol >> 7) & 1); - symbol <<= 1; - } - while (symbol < 0x10000); -} - -static void LitEnc_EncodeMatched(CRangeEnc *p, CLzmaProb *probs, UInt32 symbol, UInt32 matchByte) -{ - UInt32 offs = 0x100; - symbol |= 0x100; - do - { - matchByte <<= 1; - RangeEnc_EncodeBit(p, probs + (offs + (matchByte & offs) + (symbol >> 8)), (symbol >> 7) & 1); - symbol <<= 1; - offs &= ~(matchByte ^ symbol); - } - while (symbol < 0x10000); -} - -void LzmaEnc_InitPriceTables(UInt32 *ProbPrices) -{ - UInt32 i; - for (i = (1 << kNumMoveReducingBits) / 2; i < kBitModelTotal; i += (1 << kNumMoveReducingBits)) - { - const int kCyclesBits = kNumBitPriceShiftBits; - UInt32 w = i; - UInt32 bitCount = 0; - int j; - for (j = 0; j < kCyclesBits; j++) - { - w = w * w; - bitCount <<= 1; - while (w >= ((UInt32)1 << 16)) - { - w >>= 1; - bitCount++; - } - } - ProbPrices[i >> kNumMoveReducingBits] = ((kNumBitModelTotalBits << kCyclesBits) - 15 - bitCount); - } -} - - -#define GET_PRICE(prob, symbol) \ - p->ProbPrices[((prob) ^ (((-(int)(symbol))) & (kBitModelTotal - 1))) >> kNumMoveReducingBits]; - -#define GET_PRICEa(prob, symbol) \ - ProbPrices[((prob) ^ ((-((int)(symbol))) & (kBitModelTotal - 1))) >> kNumMoveReducingBits]; - -#define GET_PRICE_0(prob) p->ProbPrices[(prob) >> kNumMoveReducingBits] -#define GET_PRICE_1(prob) p->ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> kNumMoveReducingBits] - -#define GET_PRICE_0a(prob) ProbPrices[(prob) >> kNumMoveReducingBits] -#define GET_PRICE_1a(prob) ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> kNumMoveReducingBits] - -static UInt32 LitEnc_GetPrice(const CLzmaProb *probs, UInt32 symbol, UInt32 *ProbPrices) -{ - UInt32 price = 0; - symbol |= 0x100; - do - { - price += GET_PRICEa(probs[symbol >> 8], (symbol >> 7) & 1); - symbol <<= 1; - } - while (symbol < 0x10000); - return price; -} - -static UInt32 LitEnc_GetPriceMatched(const CLzmaProb *probs, UInt32 symbol, UInt32 matchByte, UInt32 *ProbPrices) -{ - UInt32 price = 0; - UInt32 offs = 0x100; - symbol |= 0x100; - do - { - matchByte <<= 1; - price += GET_PRICEa(probs[offs + (matchByte & offs) + (symbol >> 8)], (symbol >> 7) & 1); - symbol <<= 1; - offs &= ~(matchByte ^ symbol); - } - while (symbol < 0x10000); - return price; -} - - -static void RcTree_Encode(CRangeEnc *rc, CLzmaProb *probs, int numBitLevels, UInt32 symbol) -{ - UInt32 m = 1; - int i; - for (i = numBitLevels; i != 0;) - { - UInt32 bit; - i--; - bit = (symbol >> i) & 1; - RangeEnc_EncodeBit(rc, probs + m, bit); - m = (m << 1) | bit; - } -} - -static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, int numBitLevels, UInt32 symbol) -{ - UInt32 m = 1; - int i; - for (i = 0; i < numBitLevels; i++) - { - UInt32 bit = symbol & 1; - RangeEnc_EncodeBit(rc, probs + m, bit); - m = (m << 1) | bit; - symbol >>= 1; - } -} - -static UInt32 RcTree_GetPrice(const CLzmaProb *probs, int numBitLevels, UInt32 symbol, UInt32 *ProbPrices) -{ - UInt32 price = 0; - symbol |= (1 << numBitLevels); - while (symbol != 1) - { - price += GET_PRICEa(probs[symbol >> 1], symbol & 1); - symbol >>= 1; - } - return price; -} - -static UInt32 RcTree_ReverseGetPrice(const CLzmaProb *probs, int numBitLevels, UInt32 symbol, UInt32 *ProbPrices) -{ - UInt32 price = 0; - UInt32 m = 1; - int i; - for (i = numBitLevels; i != 0; i--) - { - UInt32 bit = symbol & 1; - symbol >>= 1; - price += GET_PRICEa(probs[m], bit); - m = (m << 1) | bit; - } - return price; -} - - -static void LenEnc_Init(CLenEnc *p) -{ - unsigned i; - p->choice = p->choice2 = kProbInitValue; - for (i = 0; i < (LZMA_NUM_PB_STATES_MAX << kLenNumLowBits); i++) - p->low[i] = kProbInitValue; - for (i = 0; i < (LZMA_NUM_PB_STATES_MAX << kLenNumMidBits); i++) - p->mid[i] = kProbInitValue; - for (i = 0; i < kLenNumHighSymbols; i++) - p->high[i] = kProbInitValue; -} - -static void LenEnc_Encode(CLenEnc *p, CRangeEnc *rc, UInt32 symbol, UInt32 posState) -{ - if (symbol < kLenNumLowSymbols) - { - RangeEnc_EncodeBit(rc, &p->choice, 0); - RcTree_Encode(rc, p->low + (posState << kLenNumLowBits), kLenNumLowBits, symbol); - } - else - { - RangeEnc_EncodeBit(rc, &p->choice, 1); - if (symbol < kLenNumLowSymbols + kLenNumMidSymbols) - { - RangeEnc_EncodeBit(rc, &p->choice2, 0); - RcTree_Encode(rc, p->mid + (posState << kLenNumMidBits), kLenNumMidBits, symbol - kLenNumLowSymbols); - } - else - { - RangeEnc_EncodeBit(rc, &p->choice2, 1); - RcTree_Encode(rc, p->high, kLenNumHighBits, symbol - kLenNumLowSymbols - kLenNumMidSymbols); - } - } -} - -static void LenEnc_SetPrices(CLenEnc *p, UInt32 posState, UInt32 numSymbols, UInt32 *prices, UInt32 *ProbPrices) -{ - UInt32 a0 = GET_PRICE_0a(p->choice); - UInt32 a1 = GET_PRICE_1a(p->choice); - UInt32 b0 = a1 + GET_PRICE_0a(p->choice2); - UInt32 b1 = a1 + GET_PRICE_1a(p->choice2); - UInt32 i = 0; - for (i = 0; i < kLenNumLowSymbols; i++) - { - if (i >= numSymbols) - return; - prices[i] = a0 + RcTree_GetPrice(p->low + (posState << kLenNumLowBits), kLenNumLowBits, i, ProbPrices); - } - for (; i < kLenNumLowSymbols + kLenNumMidSymbols; i++) - { - if (i >= numSymbols) - return; - prices[i] = b0 + RcTree_GetPrice(p->mid + (posState << kLenNumMidBits), kLenNumMidBits, i - kLenNumLowSymbols, ProbPrices); - } - for (; i < numSymbols; i++) - prices[i] = b1 + RcTree_GetPrice(p->high, kLenNumHighBits, i - kLenNumLowSymbols - kLenNumMidSymbols, ProbPrices); -} - -static void MY_FAST_CALL LenPriceEnc_UpdateTable(CLenPriceEnc *p, UInt32 posState, UInt32 *ProbPrices) -{ - LenEnc_SetPrices(&p->p, posState, p->tableSize, p->prices[posState], ProbPrices); - p->counters[posState] = p->tableSize; -} - -static void LenPriceEnc_UpdateTables(CLenPriceEnc *p, UInt32 numPosStates, UInt32 *ProbPrices) -{ - UInt32 posState; - for (posState = 0; posState < numPosStates; posState++) - LenPriceEnc_UpdateTable(p, posState, ProbPrices); -} - -static void LenEnc_Encode2(CLenPriceEnc *p, CRangeEnc *rc, UInt32 symbol, UInt32 posState, Bool updatePrice, UInt32 *ProbPrices) -{ - LenEnc_Encode(&p->p, rc, symbol, posState); - if (updatePrice) - if (--p->counters[posState] == 0) - LenPriceEnc_UpdateTable(p, posState, ProbPrices); -} - - - - -static void MovePos(CLzmaEnc *p, UInt32 num) -{ - #ifdef SHOW_STAT - ttt += num; - printf("\n MovePos %d", num); - #endif - if (num != 0) - { - p->additionalOffset += num; - p->matchFinder.Skip(p->matchFinderObj, num); - } -} - -static UInt32 ReadMatchDistances(CLzmaEnc *p, UInt32 *numDistancePairsRes) -{ - UInt32 lenRes = 0, numPairs; - p->numAvail = p->matchFinder.GetNumAvailableBytes(p->matchFinderObj); - numPairs = p->matchFinder.GetMatches(p->matchFinderObj, p->matches); - #ifdef SHOW_STAT - printf("\n i = %d numPairs = %d ", ttt, numPairs / 2); - ttt++; - { - UInt32 i; - for (i = 0; i < numPairs; i += 2) - printf("%2d %6d | ", p->matches[i], p->matches[i + 1]); - } - #endif - if (numPairs > 0) - { - lenRes = p->matches[numPairs - 2]; - if (lenRes == p->numFastBytes) - { - const Byte *pby = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - UInt32 distance = p->matches[numPairs - 1] + 1; - UInt32 numAvail = p->numAvail; - if (numAvail > LZMA_MATCH_LEN_MAX) - numAvail = LZMA_MATCH_LEN_MAX; - { - const Byte *pby2 = pby - distance; - for (; lenRes < numAvail && pby[lenRes] == pby2[lenRes]; lenRes++); - } - } - } - p->additionalOffset++; - *numDistancePairsRes = numPairs; - return lenRes; -} - - -#define MakeAsChar(p) (p)->backPrev = (UInt32)(-1); (p)->prev1IsChar = False; -#define MakeAsShortRep(p) (p)->backPrev = 0; (p)->prev1IsChar = False; -#define IsShortRep(p) ((p)->backPrev == 0) - -static UInt32 GetRepLen1Price(CLzmaEnc *p, UInt32 state, UInt32 posState) -{ - return - GET_PRICE_0(p->isRepG0[state]) + - GET_PRICE_0(p->isRep0Long[state][posState]); -} - -static UInt32 GetPureRepPrice(CLzmaEnc *p, UInt32 repIndex, UInt32 state, UInt32 posState) -{ - UInt32 price; - if (repIndex == 0) - { - price = GET_PRICE_0(p->isRepG0[state]); - price += GET_PRICE_1(p->isRep0Long[state][posState]); - } - else - { - price = GET_PRICE_1(p->isRepG0[state]); - if (repIndex == 1) - price += GET_PRICE_0(p->isRepG1[state]); - else - { - price += GET_PRICE_1(p->isRepG1[state]); - price += GET_PRICE(p->isRepG2[state], repIndex - 2); - } - } - return price; -} - -static UInt32 GetRepPrice(CLzmaEnc *p, UInt32 repIndex, UInt32 len, UInt32 state, UInt32 posState) -{ - return p->repLenEnc.prices[posState][len - LZMA_MATCH_LEN_MIN] + - GetPureRepPrice(p, repIndex, state, posState); -} - -static UInt32 Backward(CLzmaEnc *p, UInt32 *backRes, UInt32 cur) -{ - UInt32 posMem = p->opt[cur].posPrev; - UInt32 backMem = p->opt[cur].backPrev; - p->optimumEndIndex = cur; - do - { - if (p->opt[cur].prev1IsChar) - { - MakeAsChar(&p->opt[posMem]) - 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; - } - } - { - UInt32 posPrev = posMem; - UInt32 backCur = backMem; - - backMem = p->opt[posPrev].backPrev; - posMem = p->opt[posPrev].posPrev; - - p->opt[posPrev].backPrev = backCur; - p->opt[posPrev].posPrev = cur; - cur = posPrev; - } - } - while (cur != 0); - *backRes = p->opt[0].backPrev; - p->optimumCurrentIndex = p->opt[0].posPrev; - return p->optimumCurrentIndex; -} - -#define LIT_PROBS(pos, prevByte) (p->litProbs + ((((pos) & p->lpMask) << p->lc) + ((prevByte) >> (8 - p->lc))) * 0x300) - -static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes) -{ - UInt32 numAvail, mainLen, numPairs, repMaxIndex, i, posState, lenEnd, len, cur; - UInt32 matchPrice, repMatchPrice, normalMatchPrice; - UInt32 reps[LZMA_NUM_REPS], repLens[LZMA_NUM_REPS]; - UInt32 *matches; - const Byte *data; - Byte curByte, matchByte; - if (p->optimumEndIndex != p->optimumCurrentIndex) - { - const COptimal *opt = &p->opt[p->optimumCurrentIndex]; - UInt32 lenRes = opt->posPrev - p->optimumCurrentIndex; - *backRes = opt->backPrev; - p->optimumCurrentIndex = opt->posPrev; - return lenRes; - } - p->optimumCurrentIndex = p->optimumEndIndex = 0; - - if (p->additionalOffset == 0) - mainLen = ReadMatchDistances(p, &numPairs); - else - { - mainLen = p->longestMatchLength; - numPairs = p->numPairs; - } - - numAvail = p->numAvail; - if (numAvail < 2) - { - *backRes = (UInt32)(-1); - return 1; - } - if (numAvail > LZMA_MATCH_LEN_MAX) - numAvail = LZMA_MATCH_LEN_MAX; - - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - repMaxIndex = 0; - for (i = 0; i < LZMA_NUM_REPS; i++) - { - UInt32 lenTest; - const Byte *data2; - reps[i] = p->reps[i]; - data2 = data - (reps[i] + 1); - if (data[0] != data2[0] || data[1] != data2[1]) - { - repLens[i] = 0; - continue; - } - for (lenTest = 2; lenTest < numAvail && data[lenTest] == data2[lenTest]; lenTest++); - repLens[i] = lenTest; - if (lenTest > repLens[repMaxIndex]) - repMaxIndex = i; - } - if (repLens[repMaxIndex] >= p->numFastBytes) - { - UInt32 lenRes; - *backRes = repMaxIndex; - lenRes = repLens[repMaxIndex]; - MovePos(p, lenRes - 1); - return lenRes; - } - - matches = p->matches; - if (mainLen >= p->numFastBytes) - { - *backRes = matches[numPairs - 1] + LZMA_NUM_REPS; - MovePos(p, mainLen - 1); - return mainLen; - } - curByte = *data; - matchByte = *(data - (reps[0] + 1)); - - if (mainLen < 2 && curByte != matchByte && repLens[repMaxIndex] < 2) - { - *backRes = (UInt32)-1; - return 1; - } - - p->opt[0].state = (CState)p->state; - - posState = (position & p->pbMask); - - { - const CLzmaProb *probs = LIT_PROBS(position, *(data - 1)); - p->opt[1].price = GET_PRICE_0(p->isMatch[p->state][posState]) + - (!IsCharState(p->state) ? - LitEnc_GetPriceMatched(probs, curByte, matchByte, p->ProbPrices) : - LitEnc_GetPrice(probs, curByte, p->ProbPrices)); - } - - MakeAsChar(&p->opt[1]); - - matchPrice = GET_PRICE_1(p->isMatch[p->state][posState]); - repMatchPrice = matchPrice + GET_PRICE_1(p->isRep[p->state]); - - if (matchByte == curByte) - { - UInt32 shortRepPrice = repMatchPrice + GetRepLen1Price(p, p->state, posState); - if (shortRepPrice < p->opt[1].price) - { - p->opt[1].price = shortRepPrice; - MakeAsShortRep(&p->opt[1]); - } - } - lenEnd = ((mainLen >= repLens[repMaxIndex]) ? mainLen : repLens[repMaxIndex]); - - if (lenEnd < 2) - { - *backRes = p->opt[1].backPrev; - return 1; - } - - p->opt[1].posPrev = 0; - for (i = 0; i < LZMA_NUM_REPS; i++) - p->opt[0].backs[i] = reps[i]; - - len = lenEnd; - do - p->opt[len--].price = kInfinityPrice; - while (len >= 2); - - for (i = 0; i < LZMA_NUM_REPS; i++) - { - UInt32 repLen = repLens[i]; - UInt32 price; - if (repLen < 2) - continue; - price = repMatchPrice + GetPureRepPrice(p, i, p->state, posState); - do - { - UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][repLen - 2]; - COptimal *opt = &p->opt[repLen]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = 0; - opt->backPrev = i; - opt->prev1IsChar = False; - } - } - while (--repLen >= 2); - } - - normalMatchPrice = matchPrice + GET_PRICE_0(p->isRep[p->state]); - - len = ((repLens[0] >= 2) ? repLens[0] + 1 : 2); - if (len <= mainLen) - { - UInt32 offs = 0; - while (len > matches[offs]) - offs += 2; - for (; ; len++) - { - COptimal *opt; - UInt32 distance = matches[offs + 1]; - - UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][len - LZMA_MATCH_LEN_MIN]; - UInt32 lenToPosState = GetLenToPosState(len); - if (distance < kNumFullDistances) - curAndLenPrice += p->distancesPrices[lenToPosState][distance]; - else - { - UInt32 slot; - GetPosSlot2(distance, slot); - curAndLenPrice += p->alignPrices[distance & kAlignMask] + p->posSlotPrices[lenToPosState][slot]; - } - opt = &p->opt[len]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = 0; - opt->backPrev = distance + LZMA_NUM_REPS; - opt->prev1IsChar = False; - } - if (len == matches[offs]) - { - offs += 2; - if (offs == numPairs) - break; - } - } - } - - cur = 0; - - #ifdef SHOW_STAT2 - if (position >= 0) - { - unsigned i; - printf("\n pos = %4X", position); - for (i = cur; i <= lenEnd; i++) - printf("\nprice[%4X] = %d", position - cur + i, p->opt[i].price); - } - #endif - - for (;;) - { - UInt32 numAvailFull, newLen, numPairs, posPrev, state, posState, startLen; - UInt32 curPrice, curAnd1Price, matchPrice, repMatchPrice; - Bool nextIsChar; - Byte curByte, matchByte; - const Byte *data; - COptimal *curOpt; - COptimal *nextOpt; - - cur++; - if (cur == lenEnd) - return Backward(p, backRes, cur); - - newLen = ReadMatchDistances(p, &numPairs); - if (newLen >= p->numFastBytes) - { - p->numPairs = numPairs; - p->longestMatchLength = newLen; - return Backward(p, backRes, cur); - } - position++; - curOpt = &p->opt[cur]; - posPrev = curOpt->posPrev; - if (curOpt->prev1IsChar) - { - posPrev--; - if (curOpt->prev2) - { - state = p->opt[curOpt->posPrev2].state; - if (curOpt->backPrev2 < LZMA_NUM_REPS) - state = kRepNextStates[state]; - else - state = kMatchNextStates[state]; - } - else - state = p->opt[posPrev].state; - state = kLiteralNextStates[state]; - } - else - state = p->opt[posPrev].state; - if (posPrev == cur - 1) - { - if (IsShortRep(curOpt)) - state = kShortRepNextStates[state]; - else - state = kLiteralNextStates[state]; - } - else - { - UInt32 pos; - const COptimal *prevOpt; - if (curOpt->prev1IsChar && curOpt->prev2) - { - posPrev = curOpt->posPrev2; - pos = curOpt->backPrev2; - state = kRepNextStates[state]; - } - else - { - pos = curOpt->backPrev; - if (pos < LZMA_NUM_REPS) - state = kRepNextStates[state]; - else - state = kMatchNextStates[state]; - } - prevOpt = &p->opt[posPrev]; - if (pos < LZMA_NUM_REPS) - { - UInt32 i; - reps[0] = prevOpt->backs[pos]; - for (i = 1; i <= pos; i++) - reps[i] = prevOpt->backs[i - 1]; - for (; i < LZMA_NUM_REPS; i++) - reps[i] = prevOpt->backs[i]; - } - else - { - UInt32 i; - reps[0] = (pos - LZMA_NUM_REPS); - for (i = 1; i < LZMA_NUM_REPS; i++) - reps[i] = prevOpt->backs[i - 1]; - } - } - curOpt->state = (CState)state; - - curOpt->backs[0] = reps[0]; - curOpt->backs[1] = reps[1]; - curOpt->backs[2] = reps[2]; - curOpt->backs[3] = reps[3]; - - curPrice = curOpt->price; - nextIsChar = False; - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - curByte = *data; - matchByte = *(data - (reps[0] + 1)); - - posState = (position & p->pbMask); - - curAnd1Price = curPrice + GET_PRICE_0(p->isMatch[state][posState]); - { - const CLzmaProb *probs = LIT_PROBS(position, *(data - 1)); - curAnd1Price += - (!IsCharState(state) ? - LitEnc_GetPriceMatched(probs, curByte, matchByte, p->ProbPrices) : - LitEnc_GetPrice(probs, curByte, p->ProbPrices)); - } - - nextOpt = &p->opt[cur + 1]; - - if (curAnd1Price < nextOpt->price) - { - nextOpt->price = curAnd1Price; - nextOpt->posPrev = cur; - MakeAsChar(nextOpt); - nextIsChar = True; - } - - matchPrice = curPrice + GET_PRICE_1(p->isMatch[state][posState]); - repMatchPrice = matchPrice + GET_PRICE_1(p->isRep[state]); - - if (matchByte == curByte && !(nextOpt->posPrev < cur && nextOpt->backPrev == 0)) - { - UInt32 shortRepPrice = repMatchPrice + GetRepLen1Price(p, state, posState); - if (shortRepPrice <= nextOpt->price) - { - nextOpt->price = shortRepPrice; - nextOpt->posPrev = cur; - MakeAsShortRep(nextOpt); - nextIsChar = True; - } - } - numAvailFull = p->numAvail; - { - UInt32 temp = kNumOpts - 1 - cur; - if (temp < numAvailFull) - numAvailFull = temp; - } - - if (numAvailFull < 2) - continue; - numAvail = (numAvailFull <= p->numFastBytes ? numAvailFull : p->numFastBytes); - - if (!nextIsChar && matchByte != curByte) /* speed optimization */ - { - /* try Literal + rep0 */ - UInt32 temp; - UInt32 lenTest2; - const Byte *data2 = data - (reps[0] + 1); - UInt32 limit = p->numFastBytes + 1; - if (limit > numAvailFull) - limit = numAvailFull; - - for (temp = 1; temp < limit && data[temp] == data2[temp]; temp++); - lenTest2 = temp - 1; - if (lenTest2 >= 2) - { - UInt32 state2 = kLiteralNextStates[state]; - UInt32 posStateNext = (position + 1) & p->pbMask; - UInt32 nextRepMatchPrice = curAnd1Price + - GET_PRICE_1(p->isMatch[state2][posStateNext]) + - GET_PRICE_1(p->isRep[state2]); - /* for (; lenTest2 >= 2; lenTest2--) */ - { - UInt32 curAndLenPrice; - COptimal *opt; - UInt32 offset = cur + 1 + lenTest2; - while (lenEnd < offset) - p->opt[++lenEnd].price = kInfinityPrice; - curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); - opt = &p->opt[offset]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur + 1; - opt->backPrev = 0; - opt->prev1IsChar = True; - opt->prev2 = False; - } - } - } - } - - startLen = 2; /* speed optimization */ - { - UInt32 repIndex; - for (repIndex = 0; repIndex < LZMA_NUM_REPS; repIndex++) - { - UInt32 lenTest; - UInt32 lenTestTemp; - UInt32 price; - const Byte *data2 = data - (reps[repIndex] + 1); - if (data[0] != data2[0] || data[1] != data2[1]) - continue; - for (lenTest = 2; lenTest < numAvail && data[lenTest] == data2[lenTest]; lenTest++); - while (lenEnd < cur + lenTest) - p->opt[++lenEnd].price = kInfinityPrice; - lenTestTemp = lenTest; - price = repMatchPrice + GetPureRepPrice(p, repIndex, state, posState); - do - { - UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][lenTest - 2]; - COptimal *opt = &p->opt[cur + lenTest]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur; - opt->backPrev = repIndex; - opt->prev1IsChar = False; - } - } - while (--lenTest >= 2); - lenTest = lenTestTemp; - - if (repIndex == 0) - startLen = lenTest + 1; - - /* if (_maxMode) */ - { - UInt32 lenTest2 = lenTest + 1; - UInt32 limit = lenTest2 + p->numFastBytes; - UInt32 nextRepMatchPrice; - if (limit > numAvailFull) - limit = numAvailFull; - for (; lenTest2 < limit && data[lenTest2] == data2[lenTest2]; lenTest2++); - lenTest2 -= lenTest + 1; - if (lenTest2 >= 2) - { - UInt32 state2 = kRepNextStates[state]; - UInt32 posStateNext = (position + lenTest) & p->pbMask; - UInt32 curAndLenCharPrice = - price + p->repLenEnc.prices[posState][lenTest - 2] + - GET_PRICE_0(p->isMatch[state2][posStateNext]) + - LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[lenTest - 1]), - data[lenTest], data2[lenTest], p->ProbPrices); - state2 = kLiteralNextStates[state2]; - posStateNext = (position + lenTest + 1) & p->pbMask; - nextRepMatchPrice = curAndLenCharPrice + - GET_PRICE_1(p->isMatch[state2][posStateNext]) + - GET_PRICE_1(p->isRep[state2]); - - /* for (; lenTest2 >= 2; lenTest2--) */ - { - UInt32 curAndLenPrice; - COptimal *opt; - UInt32 offset = cur + lenTest + 1 + lenTest2; - while (lenEnd < offset) - p->opt[++lenEnd].price = kInfinityPrice; - curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); - opt = &p->opt[offset]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur + lenTest + 1; - opt->backPrev = 0; - opt->prev1IsChar = True; - opt->prev2 = True; - opt->posPrev2 = cur; - opt->backPrev2 = repIndex; - } - } - } - } - } - } - /* for (UInt32 lenTest = 2; lenTest <= newLen; lenTest++) */ - if (newLen > numAvail) - { - newLen = numAvail; - for (numPairs = 0; newLen > matches[numPairs]; numPairs += 2); - matches[numPairs] = newLen; - numPairs += 2; - } - if (newLen >= startLen) - { - UInt32 normalMatchPrice = matchPrice + GET_PRICE_0(p->isRep[state]); - UInt32 offs, curBack, posSlot; - UInt32 lenTest; - while (lenEnd < cur + newLen) - p->opt[++lenEnd].price = kInfinityPrice; - - offs = 0; - while (startLen > matches[offs]) - offs += 2; - curBack = matches[offs + 1]; - GetPosSlot2(curBack, posSlot); - for (lenTest = /*2*/ startLen; ; lenTest++) - { - UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][lenTest - LZMA_MATCH_LEN_MIN]; - UInt32 lenToPosState = GetLenToPosState(lenTest); - COptimal *opt; - if (curBack < kNumFullDistances) - curAndLenPrice += p->distancesPrices[lenToPosState][curBack]; - else - curAndLenPrice += p->posSlotPrices[lenToPosState][posSlot] + p->alignPrices[curBack & kAlignMask]; - - opt = &p->opt[cur + lenTest]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur; - opt->backPrev = curBack + LZMA_NUM_REPS; - opt->prev1IsChar = False; - } - - if (/*_maxMode && */lenTest == matches[offs]) - { - /* Try Match + Literal + Rep0 */ - const Byte *data2 = data - (curBack + 1); - UInt32 lenTest2 = lenTest + 1; - UInt32 limit = lenTest2 + p->numFastBytes; - UInt32 nextRepMatchPrice; - if (limit > numAvailFull) - limit = numAvailFull; - for (; lenTest2 < limit && data[lenTest2] == data2[lenTest2]; lenTest2++); - lenTest2 -= lenTest + 1; - if (lenTest2 >= 2) - { - UInt32 state2 = kMatchNextStates[state]; - 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]), - data[lenTest], data2[lenTest], p->ProbPrices); - state2 = kLiteralNextStates[state2]; - posStateNext = (posStateNext + 1) & p->pbMask; - nextRepMatchPrice = curAndLenCharPrice + - GET_PRICE_1(p->isMatch[state2][posStateNext]) + - GET_PRICE_1(p->isRep[state2]); - - /* for (; lenTest2 >= 2; lenTest2--) */ - { - UInt32 offset = cur + lenTest + 1 + lenTest2; - UInt32 curAndLenPrice; - COptimal *opt; - while (lenEnd < offset) - p->opt[++lenEnd].price = kInfinityPrice; - curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); - opt = &p->opt[offset]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur + lenTest + 1; - opt->backPrev = 0; - opt->prev1IsChar = True; - opt->prev2 = True; - opt->posPrev2 = cur; - opt->backPrev2 = curBack + LZMA_NUM_REPS; - } - } - } - offs += 2; - if (offs == numPairs) - break; - curBack = matches[offs + 1]; - if (curBack >= kNumFullDistances) - GetPosSlot2(curBack, posSlot); - } - } - } - } -} - -#define ChangePair(smallDist, bigDist) (((bigDist) >> 7) > (smallDist)) - -static UInt32 GetOptimumFast(CLzmaEnc *p, UInt32 *backRes) -{ - UInt32 numAvail, mainLen, mainDist, numPairs, repIndex, repLen, i; - const Byte *data; - const UInt32 *matches; - - if (p->additionalOffset == 0) - mainLen = ReadMatchDistances(p, &numPairs); - else - { - mainLen = p->longestMatchLength; - numPairs = p->numPairs; - } - - numAvail = p->numAvail; - *backRes = (UInt32)-1; - if (numAvail < 2) - return 1; - if (numAvail > LZMA_MATCH_LEN_MAX) - numAvail = LZMA_MATCH_LEN_MAX; - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - - repLen = repIndex = 0; - for (i = 0; i < LZMA_NUM_REPS; i++) - { - UInt32 len; - const Byte *data2 = data - (p->reps[i] + 1); - if (data[0] != data2[0] || data[1] != data2[1]) - continue; - for (len = 2; len < numAvail && data[len] == data2[len]; len++); - if (len >= p->numFastBytes) - { - *backRes = i; - MovePos(p, len - 1); - return len; - } - if (len > repLen) - { - repIndex = i; - repLen = len; - } - } - - matches = p->matches; - if (mainLen >= p->numFastBytes) - { - *backRes = matches[numPairs - 1] + LZMA_NUM_REPS; - MovePos(p, mainLen - 1); - return mainLen; - } - - mainDist = 0; /* for GCC */ - if (mainLen >= 2) - { - mainDist = matches[numPairs - 1]; - while (numPairs > 2 && mainLen == matches[numPairs - 4] + 1) - { - if (!ChangePair(matches[numPairs - 3], mainDist)) - break; - numPairs -= 2; - mainLen = matches[numPairs - 2]; - mainDist = matches[numPairs - 1]; - } - if (mainLen == 2 && mainDist >= 0x80) - mainLen = 1; - } - - if (repLen >= 2 && ( - (repLen + 1 >= mainLen) || - (repLen + 2 >= mainLen && mainDist >= (1 << 9)) || - (repLen + 3 >= mainLen && mainDist >= (1 << 15)))) - { - *backRes = repIndex; - MovePos(p, repLen - 1); - return repLen; - } - - if (mainLen < 2 || numAvail <= 2) - return 1; - - p->longestMatchLength = ReadMatchDistances(p, &p->numPairs); - if (p->longestMatchLength >= 2) - { - UInt32 newDistance = matches[p->numPairs - 1]; - if ((p->longestMatchLength >= mainLen && newDistance < mainDist) || - (p->longestMatchLength == mainLen + 1 && !ChangePair(mainDist, newDistance)) || - (p->longestMatchLength > mainLen + 1) || - (p->longestMatchLength + 1 >= mainLen && mainLen >= 3 && ChangePair(newDistance, mainDist))) - return 1; - } - - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - for (i = 0; i < LZMA_NUM_REPS; i++) - { - UInt32 len, limit; - const Byte *data2 = data - (p->reps[i] + 1); - if (data[0] != data2[0] || data[1] != data2[1]) - continue; - limit = mainLen - 1; - for (len = 2; len < limit && data[len] == data2[len]; len++); - if (len >= limit) - return 1; - } - *backRes = mainDist + LZMA_NUM_REPS; - MovePos(p, mainLen - 2); - return mainLen; -} - -static void WriteEndMarker(CLzmaEnc *p, UInt32 posState) -{ - UInt32 len; - RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 1); - RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 0); - p->state = kMatchNextStates[p->state]; - len = LZMA_MATCH_LEN_MIN; - LenEnc_Encode2(&p->lenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); - RcTree_Encode(&p->rc, p->posSlotEncoder[GetLenToPosState(len)], kNumPosSlotBits, (1 << kNumPosSlotBits) - 1); - RangeEnc_EncodeDirectBits(&p->rc, (((UInt32)1 << 30) - 1) >> kNumAlignBits, 30 - kNumAlignBits); - RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, kAlignMask); -} - -static SRes CheckErrors(CLzmaEnc *p) -{ - if (p->result != SZ_OK) - return p->result; - if (p->rc.res != SZ_OK) - p->result = SZ_ERROR_WRITE; - if (p->matchFinderBase.result != SZ_OK) - p->result = SZ_ERROR_READ; - if (p->result != SZ_OK) - p->finished = True; - return p->result; -} - -static SRes Flush(CLzmaEnc *p, UInt32 nowPos) -{ - /* ReleaseMFStream(); */ - p->finished = True; - if (p->writeEndMark) - WriteEndMarker(p, nowPos & p->pbMask); - RangeEnc_FlushData(&p->rc); - RangeEnc_FlushStream(&p->rc); - return CheckErrors(p); -} - -static void FillAlignPrices(CLzmaEnc *p) -{ - UInt32 i; - for (i = 0; i < kAlignTableSize; i++) - p->alignPrices[i] = RcTree_ReverseGetPrice(p->posAlignEncoder, kNumAlignBits, i, p->ProbPrices); - p->alignPriceCount = 0; -} - -static void FillDistancesPrices(CLzmaEnc *p) -{ - UInt32 tempPrices[kNumFullDistances]; - UInt32 i, lenToPosState; - for (i = kStartPosModelIndex; i < kNumFullDistances; i++) - { - UInt32 posSlot = GetPosSlot1(i); - UInt32 footerBits = ((posSlot >> 1) - 1); - UInt32 base = ((2 | (posSlot & 1)) << footerBits); - tempPrices[i] = RcTree_ReverseGetPrice(p->posEncoders + base - posSlot - 1, footerBits, i - base, p->ProbPrices); - } - - for (lenToPosState = 0; lenToPosState < kNumLenToPosStates; lenToPosState++) - { - UInt32 posSlot; - const CLzmaProb *encoder = p->posSlotEncoder[lenToPosState]; - UInt32 *posSlotPrices = p->posSlotPrices[lenToPosState]; - for (posSlot = 0; posSlot < p->distTableSize; posSlot++) - posSlotPrices[posSlot] = RcTree_GetPrice(encoder, kNumPosSlotBits, posSlot, p->ProbPrices); - for (posSlot = kEndPosModelIndex; posSlot < p->distTableSize; posSlot++) - posSlotPrices[posSlot] += ((((posSlot >> 1) - 1) - kNumAlignBits) << kNumBitPriceShiftBits); - - { - UInt32 *distancesPrices = p->distancesPrices[lenToPosState]; - UInt32 i; - for (i = 0; i < kStartPosModelIndex; i++) - distancesPrices[i] = posSlotPrices[i]; - for (; i < kNumFullDistances; i++) - distancesPrices[i] = posSlotPrices[GetPosSlot1(i)] + tempPrices[i]; - } - } - p->matchPriceCount = 0; -} - -void LzmaEnc_Construct(CLzmaEnc *p) -{ - RangeEnc_Construct(&p->rc); - MatchFinder_Construct(&p->matchFinderBase); - #ifndef _7ZIP_ST - MatchFinderMt_Construct(&p->matchFinderMt); - p->matchFinderMt.MatchFinder = &p->matchFinderBase; - #endif - - { - CLzmaEncProps props; - LzmaEncProps_Init(&props); - LzmaEnc_SetProps(p, &props); - } - - #ifndef LZMA_LOG_BSR - LzmaEnc_FastPosInit(p->g_FastPos); - #endif - - LzmaEnc_InitPriceTables(p->ProbPrices); - p->litProbs = 0; - p->saveState.litProbs = 0; -} - -CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc) -{ - void *p; - p = alloc->Alloc(alloc, sizeof(CLzmaEnc)); - if (p != 0) - LzmaEnc_Construct((CLzmaEnc *)p); - return p; -} - -void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->litProbs); - alloc->Free(alloc, p->saveState.litProbs); - p->litProbs = 0; - p->saveState.litProbs = 0; -} - -void LzmaEnc_Destruct(CLzmaEnc *p, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - #ifndef _7ZIP_ST - MatchFinderMt_Destruct(&p->matchFinderMt, allocBig); - #endif - MatchFinder_Free(&p->matchFinderBase, allocBig); - LzmaEnc_FreeLits(p, alloc); - RangeEnc_Free(&p->rc, alloc); -} - -void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - LzmaEnc_Destruct((CLzmaEnc *)p, alloc, allocBig); - alloc->Free(alloc, p); -} - -static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, Bool useLimits, UInt32 maxPackSize, UInt32 maxUnpackSize) -{ - UInt32 nowPos32, startPos32; - if (p->needInit) - { - p->matchFinder.Init(p->matchFinderObj); - p->needInit = 0; - } - - if (p->finished) - return p->result; - RINOK(CheckErrors(p)); - - nowPos32 = (UInt32)p->nowPos64; - startPos32 = nowPos32; - - if (p->nowPos64 == 0) - { - UInt32 numPairs; - Byte curByte; - if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0) - return Flush(p, nowPos32); - ReadMatchDistances(p, &numPairs); - RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][0], 0); - p->state = kLiteralNextStates[p->state]; - curByte = p->matchFinder.GetIndexByte(p->matchFinderObj, 0 - p->additionalOffset); - LitEnc_Encode(&p->rc, p->litProbs, curByte); - p->additionalOffset--; - nowPos32++; - } - - if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) != 0) - for (;;) - { - UInt32 pos, len, posState; - - if (p->fastMode) - len = GetOptimumFast(p, &pos); - else - len = GetOptimum(p, nowPos32, &pos); - - #ifdef SHOW_STAT2 - printf("\n pos = %4X, len = %d pos = %d", nowPos32, len, pos); - #endif - - posState = nowPos32 & p->pbMask; - if (len == 1 && pos == (UInt32)-1) - { - Byte curByte; - CLzmaProb *probs; - const Byte *data; - - RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 0); - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset; - curByte = *data; - probs = LIT_PROBS(nowPos32, *(data - 1)); - if (IsCharState(p->state)) - LitEnc_Encode(&p->rc, probs, curByte); - else - LitEnc_EncodeMatched(&p->rc, probs, curByte, *(data - p->reps[0] - 1)); - p->state = kLiteralNextStates[p->state]; - } - else - { - RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 1); - if (pos < LZMA_NUM_REPS) - { - RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 1); - if (pos == 0) - { - RangeEnc_EncodeBit(&p->rc, &p->isRepG0[p->state], 0); - RangeEnc_EncodeBit(&p->rc, &p->isRep0Long[p->state][posState], ((len == 1) ? 0 : 1)); - } - else - { - UInt32 distance = p->reps[pos]; - RangeEnc_EncodeBit(&p->rc, &p->isRepG0[p->state], 1); - if (pos == 1) - RangeEnc_EncodeBit(&p->rc, &p->isRepG1[p->state], 0); - else - { - RangeEnc_EncodeBit(&p->rc, &p->isRepG1[p->state], 1); - RangeEnc_EncodeBit(&p->rc, &p->isRepG2[p->state], pos - 2); - if (pos == 3) - p->reps[3] = p->reps[2]; - p->reps[2] = p->reps[1]; - } - p->reps[1] = p->reps[0]; - p->reps[0] = distance; - } - if (len == 1) - p->state = kShortRepNextStates[p->state]; - else - { - LenEnc_Encode2(&p->repLenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); - p->state = kRepNextStates[p->state]; - } - } - else - { - UInt32 posSlot; - RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 0); - p->state = kMatchNextStates[p->state]; - LenEnc_Encode2(&p->lenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); - pos -= LZMA_NUM_REPS; - GetPosSlot(pos, posSlot); - RcTree_Encode(&p->rc, p->posSlotEncoder[GetLenToPosState(len)], kNumPosSlotBits, posSlot); - - if (posSlot >= kStartPosModelIndex) - { - UInt32 footerBits = ((posSlot >> 1) - 1); - UInt32 base = ((2 | (posSlot & 1)) << footerBits); - UInt32 posReduced = pos - base; - - if (posSlot < kEndPosModelIndex) - RcTree_ReverseEncode(&p->rc, p->posEncoders + base - posSlot - 1, footerBits, posReduced); - else - { - RangeEnc_EncodeDirectBits(&p->rc, posReduced >> kNumAlignBits, footerBits - kNumAlignBits); - RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, posReduced & kAlignMask); - p->alignPriceCount++; - } - } - p->reps[3] = p->reps[2]; - p->reps[2] = p->reps[1]; - p->reps[1] = p->reps[0]; - p->reps[0] = pos; - p->matchPriceCount++; - } - } - p->additionalOffset -= len; - nowPos32 += len; - if (p->additionalOffset == 0) - { - UInt32 processed; - if (!p->fastMode) - { - if (p->matchPriceCount >= (1 << 7)) - FillDistancesPrices(p); - if (p->alignPriceCount >= kAlignTableSize) - FillAlignPrices(p); - } - if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0) - break; - processed = nowPos32 - startPos32; - if (useLimits) - { - if (processed + kNumOpts + 300 >= maxUnpackSize || - RangeEnc_GetProcessed(&p->rc) + kNumOpts * 2 >= maxPackSize) - break; - } - else if (processed >= (1 << 15)) - { - p->nowPos64 += nowPos32 - startPos32; - return CheckErrors(p); - } - } - } - p->nowPos64 += nowPos32 - startPos32; - return Flush(p, nowPos32); -} - -#define kBigHashDicLimit ((UInt32)1 << 24) - -static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - UInt32 beforeSize = kNumOpts; - Bool btMode; - if (!RangeEnc_Alloc(&p->rc, alloc)) - return SZ_ERROR_MEM; - btMode = (p->matchFinderBase.btMode != 0); - #ifndef _7ZIP_ST - p->mtMode = (p->multiThread && !p->fastMode && btMode); - #endif - - { - unsigned lclp = p->lc + p->lp; - if (p->litProbs == 0 || p->saveState.litProbs == 0 || p->lclp != lclp) - { - LzmaEnc_FreeLits(p, alloc); - p->litProbs = (CLzmaProb *)alloc->Alloc(alloc, (0x300 << lclp) * sizeof(CLzmaProb)); - p->saveState.litProbs = (CLzmaProb *)alloc->Alloc(alloc, (0x300 << lclp) * sizeof(CLzmaProb)); - if (p->litProbs == 0 || p->saveState.litProbs == 0) - { - LzmaEnc_FreeLits(p, alloc); - return SZ_ERROR_MEM; - } - p->lclp = lclp; - } - } - - p->matchFinderBase.bigHash = (p->dictSize > kBigHashDicLimit); - - if (beforeSize + p->dictSize < keepWindowSize) - beforeSize = keepWindowSize - p->dictSize; - - #ifndef _7ZIP_ST - if (p->mtMode) - { - RINOK(MatchFinderMt_Create(&p->matchFinderMt, p->dictSize, beforeSize, p->numFastBytes, LZMA_MATCH_LEN_MAX, allocBig)); - p->matchFinderObj = &p->matchFinderMt; - MatchFinderMt_CreateVTable(&p->matchFinderMt, &p->matchFinder); - } - else - #endif - { - if (!MatchFinder_Create(&p->matchFinderBase, p->dictSize, beforeSize, p->numFastBytes, LZMA_MATCH_LEN_MAX, allocBig)) - return SZ_ERROR_MEM; - p->matchFinderObj = &p->matchFinderBase; - MatchFinder_CreateVTable(&p->matchFinderBase, &p->matchFinder); - } - return SZ_OK; -} - -void LzmaEnc_Init(CLzmaEnc *p) -{ - UInt32 i; - p->state = 0; - for (i = 0 ; i < LZMA_NUM_REPS; i++) - p->reps[i] = 0; - - RangeEnc_Init(&p->rc); - - - for (i = 0; i < kNumStates; i++) - { - UInt32 j; - for (j = 0; j < LZMA_NUM_PB_STATES_MAX; j++) - { - p->isMatch[i][j] = kProbInitValue; - p->isRep0Long[i][j] = kProbInitValue; - } - p->isRep[i] = kProbInitValue; - p->isRepG0[i] = kProbInitValue; - p->isRepG1[i] = kProbInitValue; - p->isRepG2[i] = kProbInitValue; - } - - { - UInt32 num = 0x300 << (p->lp + p->lc); - for (i = 0; i < num; i++) - p->litProbs[i] = kProbInitValue; - } - - { - for (i = 0; i < kNumLenToPosStates; i++) - { - CLzmaProb *probs = p->posSlotEncoder[i]; - UInt32 j; - for (j = 0; j < (1 << kNumPosSlotBits); j++) - probs[j] = kProbInitValue; - } - } - { - for (i = 0; i < kNumFullDistances - kEndPosModelIndex; i++) - p->posEncoders[i] = kProbInitValue; - } - - LenEnc_Init(&p->lenEnc.p); - LenEnc_Init(&p->repLenEnc.p); - - for (i = 0; i < (1 << kNumAlignBits); i++) - p->posAlignEncoder[i] = kProbInitValue; - - p->optimumEndIndex = 0; - p->optimumCurrentIndex = 0; - p->additionalOffset = 0; - - p->pbMask = (1 << p->pb) - 1; - p->lpMask = (1 << p->lp) - 1; -} - -void LzmaEnc_InitPrices(CLzmaEnc *p) -{ - if (!p->fastMode) - { - FillDistancesPrices(p); - FillAlignPrices(p); - } - - p->lenEnc.tableSize = - p->repLenEnc.tableSize = - p->numFastBytes + 1 - LZMA_MATCH_LEN_MIN; - LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, p->ProbPrices); - LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, p->ProbPrices); -} - -static SRes LzmaEnc_AllocAndInit(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - UInt32 i; - for (i = 0; i < (UInt32)kDicLogSizeMaxCompress; i++) - if (p->dictSize <= ((UInt32)1 << i)) - break; - p->distTableSize = i * 2; - - p->finished = False; - p->result = SZ_OK; - RINOK(LzmaEnc_Alloc(p, keepWindowSize, alloc, allocBig)); - LzmaEnc_Init(p); - LzmaEnc_InitPrices(p); - p->nowPos64 = 0; - return SZ_OK; -} - -static SRes LzmaEnc_Prepare(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, - ISzAlloc *alloc, ISzAlloc *allocBig) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - p->matchFinderBase.stream = inStream; - p->needInit = 1; - p->rc.outStream = outStream; - return LzmaEnc_AllocAndInit(p, 0, alloc, allocBig); -} - -SRes LzmaEnc_PrepareForLzma2(CLzmaEncHandle pp, - ISeqInStream *inStream, UInt32 keepWindowSize, - ISzAlloc *alloc, ISzAlloc *allocBig) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - p->matchFinderBase.stream = inStream; - p->needInit = 1; - return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); -} - -static void LzmaEnc_SetInputBuf(CLzmaEnc *p, const Byte *src, SizeT srcLen) -{ - p->matchFinderBase.directInput = 1; - p->matchFinderBase.bufferBase = (Byte *)src; - p->matchFinderBase.directInputRem = srcLen; -} - -SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen, - UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - LzmaEnc_SetInputBuf(p, src, srcLen); - p->needInit = 1; - - return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); -} - -void LzmaEnc_Finish(CLzmaEncHandle pp) -{ - #ifndef _7ZIP_ST - CLzmaEnc *p = (CLzmaEnc *)pp; - if (p->mtMode) - MatchFinderMt_ReleaseStream(&p->matchFinderMt); - #else - pp = pp; - #endif -} - -typedef struct -{ - ISeqOutStream funcTable; - Byte *data; - SizeT rem; - Bool overflow; -} CSeqOutStreamBuf; - -static size_t MyWrite(void *pp, const void *data, size_t size) -{ - CSeqOutStreamBuf *p = (CSeqOutStreamBuf *)pp; - if (p->rem < size) - { - size = p->rem; - p->overflow = True; - } - memcpy(p->data, data, size); - p->rem -= size; - p->data += size; - return size; -} - - -UInt32 LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp) -{ - const CLzmaEnc *p = (CLzmaEnc *)pp; - return p->matchFinder.GetNumAvailableBytes(p->matchFinderObj); -} - -const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp) -{ - const CLzmaEnc *p = (CLzmaEnc *)pp; - return p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset; -} - -SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit, - Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - UInt64 nowPos64; - SRes res; - CSeqOutStreamBuf outStream; - - outStream.funcTable.Write = MyWrite; - outStream.data = dest; - outStream.rem = *destLen; - outStream.overflow = False; - - p->writeEndMark = False; - p->finished = False; - p->result = SZ_OK; - - if (reInit) - LzmaEnc_Init(p); - LzmaEnc_InitPrices(p); - nowPos64 = p->nowPos64; - RangeEnc_Init(&p->rc); - p->rc.outStream = &outStream.funcTable; - - res = LzmaEnc_CodeOneBlock(p, True, desiredPackSize, *unpackSize); - - *unpackSize = (UInt32)(p->nowPos64 - nowPos64); - *destLen -= outStream.rem; - if (outStream.overflow) - return SZ_ERROR_OUTPUT_EOF; - - return res; -} - -static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress) -{ - SRes res = SZ_OK; - - #ifndef _7ZIP_ST - Byte allocaDummy[0x300]; - int i = 0; - for (i = 0; i < 16; i++) - allocaDummy[i] = (Byte)i; - #endif - - for (;;) - { - res = LzmaEnc_CodeOneBlock(p, False, 0, 0); - if (res != SZ_OK || p->finished != 0) - break; - if (progress != 0) - { - res = progress->Progress(progress, p->nowPos64, RangeEnc_GetProcessed(&p->rc)); - if (res != SZ_OK) - { - res = SZ_ERROR_PROGRESS; - break; - } - } - } - LzmaEnc_Finish(p); - return res; -} - -SRes LzmaEnc_Encode(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress, - ISzAlloc *alloc, ISzAlloc *allocBig) -{ - RINOK(LzmaEnc_Prepare(pp, outStream, inStream, alloc, allocBig)); - return LzmaEnc_Encode2((CLzmaEnc *)pp, progress); -} - -SRes LzmaEnc_WriteProperties(CLzmaEncHandle pp, Byte *props, SizeT *size) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - int i; - UInt32 dictSize = p->dictSize; - if (*size < LZMA_PROPS_SIZE) - return SZ_ERROR_PARAM; - *size = LZMA_PROPS_SIZE; - props[0] = (Byte)((p->pb * 5 + p->lp) * 9 + p->lc); - - for (i = 11; i <= 30; i++) - { - if (dictSize <= ((UInt32)2 << i)) - { - dictSize = (2 << i); - break; - } - if (dictSize <= ((UInt32)3 << i)) - { - dictSize = (3 << i); - break; - } - } - - for (i = 0; i < 4; i++) - props[1 + i] = (Byte)(dictSize >> (8 * i)); - return SZ_OK; -} - -SRes LzmaEnc_MemEncode(CLzmaEncHandle pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - SRes res; - CLzmaEnc *p = (CLzmaEnc *)pp; - - CSeqOutStreamBuf outStream; - - LzmaEnc_SetInputBuf(p, src, srcLen); - - outStream.funcTable.Write = MyWrite; - outStream.data = dest; - outStream.rem = *destLen; - outStream.overflow = False; - - p->writeEndMark = writeEndMark; - - p->rc.outStream = &outStream.funcTable; - res = LzmaEnc_MemPrepare(pp, src, srcLen, 0, alloc, allocBig); - if (res == SZ_OK) - res = LzmaEnc_Encode2(p, progress); - - *destLen -= outStream.rem; - if (outStream.overflow) - return SZ_ERROR_OUTPUT_EOF; - return res; -} - -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) -{ - CLzmaEnc *p = (CLzmaEnc *)LzmaEnc_Create(alloc); - SRes res; - if (p == 0) - return SZ_ERROR_MEM; - - res = LzmaEnc_SetProps(p, props); - if (res == SZ_OK) - { - res = LzmaEnc_WriteProperties(p, propsEncoded, propsSize); - if (res == SZ_OK) - res = LzmaEnc_MemEncode(p, dest, destLen, src, srcLen, - writeEndMark, progress, alloc, allocBig); - } - - LzmaEnc_Destroy(p, alloc, allocBig); - return res; -} diff --git a/third_party/lzma_sdk/LzmaEnc.h b/third_party/lzma_sdk/LzmaEnc.h deleted file mode 100644 index 200d60eb83cd..000000000000 --- a/third_party/lzma_sdk/LzmaEnc.h +++ /dev/null @@ -1,80 +0,0 @@ -/* LzmaEnc.h -- LZMA Encoder -2009-02-07 : Igor Pavlov : Public domain */ - -#ifndef __LZMA_ENC_H -#define __LZMA_ENC_H - -#include "Types.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define LZMA_PROPS_SIZE 5 - -typedef struct _CLzmaEncProps -{ - int level; /* 0 <= level <= 9 */ - UInt32 dictSize; /* (1 << 12) <= dictSize <= (1 << 27) for 32-bit version - (1 << 12) <= dictSize <= (1 << 30) for 64-bit version - default = (1 << 24) */ - int lc; /* 0 <= lc <= 8, default = 3 */ - int lp; /* 0 <= lp <= 4, default = 0 */ - int pb; /* 0 <= pb <= 4, default = 2 */ - int algo; /* 0 - fast, 1 - normal, default = 1 */ - int fb; /* 5 <= fb <= 273, default = 32 */ - int btMode; /* 0 - hashChain Mode, 1 - binTree mode - normal, default = 1 */ - int numHashBytes; /* 2, 3 or 4, default = 4 */ - UInt32 mc; /* 1 <= mc <= (1 << 30), default = 32 */ - unsigned writeEndMark; /* 0 - do not write EOPM, 1 - write EOPM, default = 0 */ - int numThreads; /* 1 or 2, default = 2 */ -} CLzmaEncProps; - -void LzmaEncProps_Init(CLzmaEncProps *p); -void LzmaEncProps_Normalize(CLzmaEncProps *p); -UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2); - - -/* ---------- CLzmaEncHandle Interface ---------- */ - -/* LzmaEnc_* functions can return the following exit codes: -Returns: - SZ_OK - OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_PARAM - Incorrect paramater in props - SZ_ERROR_WRITE - Write callback error. - SZ_ERROR_PROGRESS - some break from progress callback - SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) -*/ - -typedef void * CLzmaEncHandle; - -CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc); -void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig); -SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props); -SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size); -SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream, - ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); -SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); - -/* ---------- One Call Interface ---------- */ - -/* LzmaEncode -Return code: - SZ_OK - OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_PARAM - Incorrect paramater - SZ_ERROR_OUTPUT_EOF - output buffer overflow - SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) -*/ - -SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, - ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/third_party/lzma_sdk/LzmaLib.c b/third_party/lzma_sdk/LzmaLib.c deleted file mode 100644 index 02a511857c98..000000000000 --- a/third_party/lzma_sdk/LzmaLib.c +++ /dev/null @@ -1,46 +0,0 @@ -/* LzmaLib.c -- LZMA library wrapper -2008-08-05 -Igor Pavlov -Public domain */ - -#include "LzmaEnc.h" -#include "LzmaDec.h" -#include "Alloc.h" -#include "LzmaLib.h" - -static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); } -static void SzFree(void *p, void *address) { p = p; MyFree(address); } -static ISzAlloc g_Alloc = { SzAlloc, SzFree }; - -MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen, - unsigned char *outProps, size_t *outPropsSize, - int level, /* 0 <= level <= 9, default = 5 */ - unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */ - int lc, /* 0 <= lc <= 8, default = 3 */ - int lp, /* 0 <= lp <= 4, default = 0 */ - int pb, /* 0 <= pb <= 4, default = 2 */ - int fb, /* 5 <= fb <= 273, default = 32 */ - int numThreads /* 1 or 2, default = 2 */ -) -{ - CLzmaEncProps props; - LzmaEncProps_Init(&props); - props.level = level; - props.dictSize = dictSize; - props.lc = lc; - props.lp = lp; - props.pb = pb; - props.fb = fb; - props.numThreads = numThreads; - - return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0, - NULL, &g_Alloc, &g_Alloc); -} - - -MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t *srcLen, - const unsigned char *props, size_t propsSize) -{ - ELzmaStatus status; - return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc); -} diff --git a/third_party/lzma_sdk/LzmaLib.h b/third_party/lzma_sdk/LzmaLib.h deleted file mode 100644 index 76c99ce758dc..000000000000 --- a/third_party/lzma_sdk/LzmaLib.h +++ /dev/null @@ -1,135 +0,0 @@ -/* LzmaLib.h -- LZMA library interface -2009-04-07 : Igor Pavlov : Public domain */ - -#ifndef __LZMA_LIB_H -#define __LZMA_LIB_H - -#include "Types.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define MY_STDAPI int MY_STD_CALL - -#define LZMA_PROPS_SIZE 5 - -/* -RAM requirements for LZMA: - for compression: (dictSize * 11.5 + 6 MB) + state_size - for decompression: dictSize + state_size - state_size = (4 + (1.5 << (lc + lp))) KB - by default (lc=3, lp=0), state_size = 16 KB. - -LZMA properties (5 bytes) format - Offset Size Description - 0 1 lc, lp and pb in encoded form. - 1 4 dictSize (little endian). -*/ - -/* -LzmaCompress ------------- - -outPropsSize - - In: the pointer to the size of outProps buffer; *outPropsSize = LZMA_PROPS_SIZE = 5. - Out: the pointer to the size of written properties in outProps buffer; *outPropsSize = LZMA_PROPS_SIZE = 5. - - LZMA Encoder will use defult values for any parameter, if it is - -1 for any from: level, loc, lp, pb, fb, numThreads - 0 for dictSize - -level - compression level: 0 <= level <= 9; - - level dictSize algo fb - 0: 16 KB 0 32 - 1: 64 KB 0 32 - 2: 256 KB 0 32 - 3: 1 MB 0 32 - 4: 4 MB 0 32 - 5: 16 MB 1 32 - 6: 32 MB 1 32 - 7+: 64 MB 1 64 - - The default value for "level" is 5. - - algo = 0 means fast method - algo = 1 means normal method - -dictSize - The dictionary size in bytes. The maximum value is - 128 MB = (1 << 27) bytes for 32-bit version - 1 GB = (1 << 30) bytes for 64-bit version - The default value is 16 MB = (1 << 24) bytes. - It's recommended to use the dictionary that is larger than 4 KB and - that can be calculated as (1 << N) or (3 << N) sizes. - -lc - The number of literal context bits (high bits of previous literal). - It can be in the range from 0 to 8. The default value is 3. - Sometimes lc=4 gives the gain for big files. - -lp - The number of literal pos bits (low bits of current position for literals). - It can be in the range from 0 to 4. The default value is 0. - The lp switch is intended for periodical data when the period is equal to 2^lp. - For example, for 32-bit (4 bytes) periodical data you can use lp=2. Often it's - better to set lc=0, if you change lp switch. - -pb - The number of pos bits (low bits of current position). - It can be in the range from 0 to 4. The default value is 2. - The pb switch is intended for periodical data when the period is equal 2^pb. - -fb - Word size (the number of fast bytes). - It can be in the range from 5 to 273. The default value is 32. - Usually, a big number gives a little bit better compression ratio and - slower compression process. - -numThreads - The number of thereads. 1 or 2. The default value is 2. - Fast mode (algo = 0) can use only 1 thread. - -Out: - destLen - processed output size -Returns: - 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) -*/ - -MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen, - unsigned char *outProps, size_t *outPropsSize, /* *outPropsSize must be = 5 */ - int level, /* 0 <= level <= 9, default = 5 */ - unsigned dictSize, /* default = (1 << 24) */ - int lc, /* 0 <= lc <= 8, default = 3 */ - int lp, /* 0 <= lp <= 4, default = 0 */ - int pb, /* 0 <= pb <= 4, default = 2 */ - int fb, /* 5 <= fb <= 273, default = 32 */ - int numThreads /* 1 or 2, default = 2 */ - ); - -/* -LzmaUncompress --------------- -In: - dest - output data - destLen - output data size - src - input data - srcLen - input data size -Out: - destLen - processed output size - srcLen - processed input size -Returns: - SZ_OK - OK - SZ_ERROR_DATA - Data error - SZ_ERROR_MEM - Memory allocation arror - SZ_ERROR_UNSUPPORTED - Unsupported properties - SZ_ERROR_INPUT_EOF - it needs more bytes in input buffer (src) -*/ - -MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned char *src, SizeT *srcLen, - const unsigned char *props, size_t propsSize); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/third_party/lzma_sdk/README.chromium b/third_party/lzma_sdk/README.chromium index 37b74bd9f082..d9aebeca7d8b 100644 --- a/third_party/lzma_sdk/README.chromium +++ b/third_party/lzma_sdk/README.chromium @@ -1,11 +1,10 @@ Name: LZMA SDK Short Name: lzma URL: http://www.7-zip.org/sdk.html -Version: 9.20 -Security Critical: yes +Version: 4.49 Description: -This contains a part of LZMA SDK 9.20. +This contains a part of LZMA SDK 4.49. Only the C code required to open 7z archive files and uncompress LZMA compression has been included. The project files have been rewritten to use diff --git a/third_party/lzma_sdk/Types.h b/third_party/lzma_sdk/Types.h index 7732c240c698..368cc3145db6 100644 --- a/third_party/lzma_sdk/Types.h +++ b/third_party/lzma_sdk/Types.h @@ -1,254 +1,100 @@ -/* Types.h -- Basic types -2010-10-09 : Igor Pavlov : Public domain */ +/* 7zTypes.h */ -#ifndef __7Z_TYPES_H -#define __7Z_TYPES_H - -#include - -#ifdef _WIN32 -#include -#endif - -#ifndef EXTERN_C_BEGIN -#ifdef __cplusplus -#define EXTERN_C_BEGIN extern "C" { -#define EXTERN_C_END } -#else -#define EXTERN_C_BEGIN -#define EXTERN_C_END -#endif -#endif - -EXTERN_C_BEGIN - -#define SZ_OK 0 - -#define SZ_ERROR_DATA 1 -#define SZ_ERROR_MEM 2 -#define SZ_ERROR_CRC 3 -#define SZ_ERROR_UNSUPPORTED 4 -#define SZ_ERROR_PARAM 5 -#define SZ_ERROR_INPUT_EOF 6 -#define SZ_ERROR_OUTPUT_EOF 7 -#define SZ_ERROR_READ 8 -#define SZ_ERROR_WRITE 9 -#define SZ_ERROR_PROGRESS 10 -#define SZ_ERROR_FAIL 11 -#define SZ_ERROR_THREAD 12 - -#define SZ_ERROR_ARCHIVE 16 -#define SZ_ERROR_NO_ARCHIVE 17 - -typedef int SRes; - -#ifdef _WIN32 -typedef DWORD WRes; -#else -typedef int WRes; -#endif - -#ifndef RINOK -#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; } -#endif +#ifndef __C_TYPES_H +#define __C_TYPES_H +#ifndef _7ZIP_BYTE_DEFINED +#define _7ZIP_BYTE_DEFINED typedef unsigned char Byte; -typedef short Int16; +#endif + +#ifndef _7ZIP_UINT16_DEFINED +#define _7ZIP_UINT16_DEFINED typedef unsigned short UInt16; +#endif +#ifndef _7ZIP_UINT32_DEFINED +#define _7ZIP_UINT32_DEFINED #ifdef _LZMA_UINT32_IS_ULONG -typedef long Int32; typedef unsigned long UInt32; #else -typedef int Int32; typedef unsigned int UInt32; #endif +#endif -#ifdef _SZ_NO_INT_64 +#ifndef _7ZIP_INT32_DEFINED +#define _7ZIP_INT32_DEFINED +#ifdef _LZMA_INT32_IS_ULONG +typedef long Int32; +#else +typedef int Int32; +#endif +#endif -/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers. - NOTES: Some code will work incorrectly in that case! */ +/* #define _SZ_NO_INT_64 */ +/* define it your compiler doesn't support long long int */ -typedef long Int64; +#ifndef _7ZIP_UINT64_DEFINED +#define _7ZIP_UINT64_DEFINED +#ifdef _SZ_NO_INT_64 typedef unsigned long UInt64; - #else - #if defined(_MSC_VER) || defined(__BORLANDC__) -typedef __int64 Int64; typedef unsigned __int64 UInt64; -#define UINT64_CONST(n) n #else -typedef long long int Int64; typedef unsigned long long int UInt64; -#define UINT64_CONST(n) n ## ULL #endif - #endif - -#ifdef _LZMA_NO_SYSTEM_SIZE_T -typedef UInt32 SizeT; -#else -typedef size_t SizeT; #endif -typedef int Bool; -#define True 1 -#define False 0 +/* #define _SZ_FILE_SIZE_32 */ +/* You can define _SZ_FILE_SIZE_32, if you don't need support for files larger than 4 GB*/ -#ifdef _WIN32 -#define MY_STD_CALL __stdcall +#ifndef CFileSize +#ifdef _SZ_FILE_SIZE_32 +typedef UInt32 CFileSize; #else -#define MY_STD_CALL +typedef UInt64 CFileSize; +#endif #endif -#ifdef _MSC_VER +#define SZ_RESULT int -#if _MSC_VER >= 1300 -#define MY_NO_INLINE __declspec(noinline) -#else -#define MY_NO_INLINE -#endif +typedef int HRes; +#define RES_OK (0) -#define MY_CDECL __cdecl -#define MY_FAST_CALL __fastcall +#define SZ_OK (0) +#define SZE_DATA_ERROR (1) +#define SZE_CRC_ERROR (3) +#define SZE_ARCHIVE_ERROR (6) -#else +#define SZE_OUTOFMEMORY (0x8007000EL) +#define SZE_NOTIMPL (0x80004001L) +#define SZE_FAIL (0x80004005L) +#define SZE_INVALIDARG (0x80070057L) -#define MY_CDECL -#define MY_FAST_CALL +#ifndef RINOK +#define RINOK(x) { HRes __result_ = (x); if(__result_ != 0) return __result_; } #endif +typedef int Bool; +#define True 1 +#define False 0 -/* The following interfaces use first parameter as pointer to structure */ - -typedef struct -{ - Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */ -} IByteIn; - -typedef struct -{ - void (*Write)(void *p, Byte b); -} IByteOut; - -typedef struct -{ - SRes (*Read)(void *p, void *buf, size_t *size); - /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. - (output(*size) < input(*size)) is allowed */ -} ISeqInStream; - -/* it can return SZ_ERROR_INPUT_EOF */ -SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size); -SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType); -SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf); - -typedef struct -{ - size_t (*Write)(void *p, const void *buf, size_t size); - /* Returns: result - the number of actually written bytes. - (result < size) means error */ -} ISeqOutStream; - -typedef enum -{ - SZ_SEEK_SET = 0, - SZ_SEEK_CUR = 1, - SZ_SEEK_END = 2 -} ESzSeek; - -typedef struct -{ - SRes (*Read)(void *p, void *buf, size_t *size); /* same as ISeqInStream::Read */ - SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); -} ISeekInStream; - -typedef struct -{ - SRes (*Look)(void *p, const void **buf, size_t *size); - /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. - (output(*size) > input(*size)) is not allowed - (output(*size) < input(*size)) is allowed */ - SRes (*Skip)(void *p, size_t offset); - /* offset must be <= output(*size) of Look */ - - SRes (*Read)(void *p, void *buf, size_t *size); - /* reads directly (without buffer). It's same as ISeqInStream::Read */ - SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); -} ILookInStream; - -SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size); -SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset); - -/* reads via ILookInStream::Read */ -SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType); -SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size); - -#define LookToRead_BUF_SIZE (1 << 14) - -typedef struct -{ - ILookInStream s; - ISeekInStream *realStream; - size_t pos; - size_t size; - Byte buf[LookToRead_BUF_SIZE]; -} CLookToRead; - -void LookToRead_CreateVTable(CLookToRead *p, int lookahead); -void LookToRead_Init(CLookToRead *p); - -typedef struct -{ - ISeqInStream s; - ILookInStream *realStream; -} CSecToLook; - -void SecToLook_CreateVTable(CSecToLook *p); - -typedef struct -{ - ISeqInStream s; - ILookInStream *realStream; -} CSecToRead; - -void SecToRead_CreateVTable(CSecToRead *p); - -typedef struct -{ - SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize); - /* Returns: result. (result != SZ_OK) means break. - Value (UInt64)(Int64)-1 for size means unknown value. */ -} ICompressProgress; - -typedef struct -{ - void *(*Alloc)(void *p, size_t size); - void (*Free)(void *p, void *address); /* address can be 0 */ -} ISzAlloc; - -#define IAlloc_Alloc(p, size) (p)->Alloc((p), size) -#define IAlloc_Free(p, a) (p)->Free((p), a) - -#ifdef _WIN32 - -#define CHAR_PATH_SEPARATOR '\\' -#define WCHAR_PATH_SEPARATOR L'\\' -#define STRING_PATH_SEPARATOR "\\" -#define WSTRING_PATH_SEPARATOR L"\\" - +#ifdef _MSC_VER +#define StdCall __stdcall #else - -#define CHAR_PATH_SEPARATOR '/' -#define WCHAR_PATH_SEPARATOR L'/' -#define STRING_PATH_SEPARATOR "/" -#define WSTRING_PATH_SEPARATOR L"/" - +#define StdCall #endif -EXTERN_C_END +#if _MSC_VER >= 1300 +#define MY_FAST_CALL __declspec(noinline) __fastcall +#elif defined( _MSC_VER) +#define MY_FAST_CALL __fastcall +#else +#define MY_FAST_CALL +#endif #endif diff --git a/third_party/lzma_sdk/lzma_sdk.gyp b/third_party/lzma_sdk/lzma_sdk.gyp index c6fa932ce3c0..fffb8e286c5b 100644 --- a/third_party/lzma_sdk/lzma_sdk.gyp +++ b/third_party/lzma_sdk/lzma_sdk.gyp @@ -1,43 +1,36 @@ -# Copyright (c) 2012 The Chromium Authors. All rights reserved. +# Copyright (c) 2009 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. { 'variables': { 'lzma_sdk_sources': [ - '7z.h', - '7zAlloc.c', - '7zAlloc.h', - '7zBuf.c', - '7zBuf.h', '7zCrc.c', '7zCrc.h', - '7zCrcOpt.c', - '7zDec.c', - '7zFile.c', - '7zFile.h', - '7zIn.c', - '7zStream.c', - 'Alloc.c', - 'Alloc.h', - 'Bcj2.c', - 'Bcj2.h', - 'Bra.c', - 'Bra.h', - 'Bra86.c', - 'CpuArch.c', - 'CpuArch.h', - 'LzFind.c', - 'LzFind.h', - 'LzHash.h', - 'Lzma2Dec.c', - 'Lzma2Dec.h', - 'LzmaEnc.c', - 'LzmaEnc.h', - 'LzmaDec.c', - 'LzmaDec.h', - 'LzmaLib.c', - 'LzmaLib.h', + 'Archive/7z/7zAlloc.c', + 'Archive/7z/7zAlloc.h', + 'Archive/7z/7zBuffer.c', + 'Archive/7z/7zBuffer.h', + 'Archive/7z/7zDecode.c', + 'Archive/7z/7zDecode.h', + 'Archive/7z/7zExtract.c', + 'Archive/7z/7zExtract.h', + 'Archive/7z/7zHeader.c', + 'Archive/7z/7zHeader.h', + 'Archive/7z/7zIn.c', + 'Archive/7z/7zIn.h', + 'Archive/7z/7zItem.c', + 'Archive/7z/7zItem.h', + 'Archive/7z/7zMethodID.c', + 'Archive/7z/7zMethodID.h', + 'Compress/Branch/BranchTypes.h', + 'Compress/Branch/BranchX86.c', + 'Compress/Branch/BranchX86.h', + 'Compress/Branch/BranchX86_2.c', + 'Compress/Branch/BranchX86_2.h', + 'Compress/Lzma/LzmaDecode.c', + 'Compress/Lzma/LzmaDecode.h', + 'Compress/Lzma/LzmaTypes.h', 'Types.h', ], }, @@ -46,16 +39,20 @@ 'target_name': 'lzma_sdk', 'type': 'static_library', 'defines': [ - '_7ZIP_ST', '_LZMA_PROB32', - ], - 'sources': [ - '<@(lzma_sdk_sources)', + '_LZMA_IN_CB', ], 'include_dirs': [ '.', ], + # TODO: original configuration had /wd4800, add if + # necessary and delete if not. + # '/wd4800', + 'sources': ['<@(lzma_sdk_sources)'], 'direct_dependent_settings': { + 'defines': [ + '_LZMA_IN_CB', + ], 'include_dirs': [ '.', ], @@ -69,21 +66,22 @@ 'target_name': 'lzma_sdk64', 'type': 'static_library', 'defines': [ - '_7ZIP_ST', '_LZMA_PROB32', + '_LZMA_IN_CB', ], 'include_dirs': [ '.', ], - 'sources': [ - '<@(lzma_sdk_sources)', - ], + 'sources': ['<@(lzma_sdk_sources)'], 'configurations': { 'Common_Base': { 'msvs_target_platform': 'x64', }, }, 'direct_dependent_settings': { + 'defines': [ + '_LZMA_IN_CB', + ], 'include_dirs': [ '.', ],